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* [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg
@ 2019-03-19  6:59 Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 01/10] UefiCpuPkg/SmmCpuFeaturesLib: Remove .S files for IA32 and X64 arch Shenglei Zhang
                   ` (9 more replies)
  0 siblings, 10 replies; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao, Eric Dong, Ray Ni

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

v2: Remove some description in 04/10.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Shenglei Zhang (10):
  UefiCpuPkg/SmmCpuFeaturesLib: Remove .S files for IA32 and X64 arch
  UefiCpuPkg/BaseUefiCpuLib: Remove .S files for IA32 and X64 arch
  UefiCpuPkg/CpuExceptionHandlerLib:Remove.S files for IA32 and X64 arch
  MdePkg/BaseCpuLib: Remove .S files for IA32 and X64 arch
  MdePkg/BaseLib: Remove .S files for IA32 and X64 arch
  MdePkg/BaseMemoryLibMmx: Remove .S files for IA32 and X64 arch
  MdePkg/BaseMemoryLibOptDxe: Remove .S files for IA32 and X64 arch
  MdePkg/BaseMemoryLibOptPei: Remove .S files for IA32 and X64 arch
  MdePkg/BaseMemoryLibRepStr: Remove .S files for IA32 and X64 arch
  MdePkg/BaseMemoryLibSse2: Remove .S files for IA32 and X64 arch

 MdePkg/Library/BaseCpuLib/BaseCpuLib.inf      |   4 -
 MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S   |  35 -
 MdePkg/Library/BaseCpuLib/X64/CpuSleep.S      |  34 -
 MdePkg/Library/BaseLib/BaseLib.inf            |  38 -
 MdePkg/Library/BaseLib/Ia32/ARShiftU64.S      |  43 --
 MdePkg/Library/BaseLib/Ia32/CpuId.S           |  63 --
 MdePkg/Library/BaseLib/Ia32/CpuIdEx.S         |  67 --
 MdePkg/Library/BaseLib/Ia32/DisableCache.S    |  39 -
 MdePkg/Library/BaseLib/Ia32/DisablePaging32.S |  52 --
 MdePkg/Library/BaseLib/Ia32/DivU64x32.S       |  41 --
 .../Library/BaseLib/Ia32/DivU64x32Remainder.S |  46 --
 .../Library/BaseLib/Ia32/DivU64x64Remainder.S |  89 ---
 MdePkg/Library/BaseLib/Ia32/EnableCache.S     |  39 -
 .../BaseLib/Ia32/EnableDisableInterrupts.S    |  36 -
 MdePkg/Library/BaseLib/Ia32/EnablePaging32.S  |  52 --
 MdePkg/Library/BaseLib/Ia32/EnablePaging64.S  |  63 --
 .../BaseLib/Ia32/InternalSwitchStack.S        |  48 --
 MdePkg/Library/BaseLib/Ia32/LRotU64.S         |  48 --
 MdePkg/Library/BaseLib/Ia32/LShiftU64.S       |  43 --
 MdePkg/Library/BaseLib/Ia32/LongJump.S        |  41 --
 MdePkg/Library/BaseLib/Ia32/ModU64x32.S       |  40 --
 MdePkg/Library/BaseLib/Ia32/Monitor.S         |  40 --
 MdePkg/Library/BaseLib/Ia32/MultU64x32.S      |  41 --
 MdePkg/Library/BaseLib/Ia32/MultU64x64.S      |  44 --
 MdePkg/Library/BaseLib/Ia32/Mwait.S           |  38 -
 MdePkg/Library/BaseLib/Ia32/RRotU64.S         |  48 --
 MdePkg/Library/BaseLib/Ia32/RShiftU64.S       |  46 --
 MdePkg/Library/BaseLib/Ia32/RdRand.S          |  80 ---
 MdePkg/Library/BaseLib/Ia32/SetJump.S         |  44 --
 MdePkg/Library/BaseLib/Ia32/SwapBytes64.S     |  38 -
 MdePkg/Library/BaseLib/Ia32/Thunk16.S         | 222 ------
 MdePkg/Library/BaseLib/X64/CpuId.S            |  60 --
 MdePkg/Library/BaseLib/X64/CpuIdEx.S          |  62 --
 MdePkg/Library/BaseLib/X64/DisableCache.S     |  39 -
 MdePkg/Library/BaseLib/X64/DisablePaging64.S  |  82 ---
 MdePkg/Library/BaseLib/X64/EnableCache.S      |  39 -
 .../BaseLib/X64/EnableDisableInterrupts.S     |  36 -
 MdePkg/Library/BaseLib/X64/LongJump.S         |  54 --
 MdePkg/Library/BaseLib/X64/RdRand.S           |  72 --
 MdePkg/Library/BaseLib/X64/SetJump.S          |  53 --
 MdePkg/Library/BaseLib/X64/SwitchStack.S      |  52 --
 MdePkg/Library/BaseLib/X64/Thunk16.S          | 334 ---------
 .../BaseMemoryLibMmx/BaseMemoryLibMmx.inf     |  22 -
 .../BaseMemoryLibMmx/Ia32/CompareMem.S        |  55 --
 .../Library/BaseMemoryLibMmx/Ia32/CopyMem.S   |  86 ---
 .../Library/BaseMemoryLibMmx/Ia32/ScanMem16.S |  52 --
 .../Library/BaseMemoryLibMmx/Ia32/ScanMem32.S |  52 --
 .../Library/BaseMemoryLibMmx/Ia32/ScanMem64.S |  61 --
 .../Library/BaseMemoryLibMmx/Ia32/ScanMem8.S  |  52 --
 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S |  66 --
 .../Library/BaseMemoryLibMmx/Ia32/SetMem16.S  |  59 --
 .../Library/BaseMemoryLibMmx/Ia32/SetMem32.S  |  52 --
 .../Library/BaseMemoryLibMmx/Ia32/SetMem64.S  |  43 --
 .../Library/BaseMemoryLibMmx/Ia32/ZeroMem.S   |  54 --
 .../Library/BaseMemoryLibMmx/X64/CompareMem.S |  59 --
 MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S |  74 --
 .../Library/BaseMemoryLibMmx/X64/ScanMem16.S  |  56 --
 .../Library/BaseMemoryLibMmx/X64/ScanMem32.S  |  56 --
 .../Library/BaseMemoryLibMmx/X64/ScanMem64.S  |  55 --
 .../Library/BaseMemoryLibMmx/X64/ScanMem8.S   |  56 --
 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.S  |  61 --
 .../Library/BaseMemoryLibMmx/X64/SetMem16.S   |  60 --
 .../Library/BaseMemoryLibMmx/X64/SetMem32.S   |  55 --
 .../Library/BaseMemoryLibMmx/X64/SetMem64.S   |  47 --
 MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S |  57 --
 .../BaseMemoryLibOptDxe.inf                   |  22 -
 .../BaseMemoryLibOptDxe/Ia32/CompareMem.S     |  55 --
 .../BaseMemoryLibOptDxe/Ia32/CopyMem.S        |  85 ---
 .../BaseMemoryLibOptDxe/Ia32/ScanMem16.S      |  52 --
 .../BaseMemoryLibOptDxe/Ia32/ScanMem32.S      |  52 --
 .../BaseMemoryLibOptDxe/Ia32/ScanMem64.S      |  61 --
 .../BaseMemoryLibOptDxe/Ia32/ScanMem8.S       |  52 --
 .../Library/BaseMemoryLibOptDxe/Ia32/SetMem.S |  50 --
 .../BaseMemoryLibOptDxe/Ia32/SetMem16.S       |  43 --
 .../BaseMemoryLibOptDxe/Ia32/SetMem32.S       |  43 --
 .../BaseMemoryLibOptDxe/Ia32/SetMem64.S       |  46 --
 .../BaseMemoryLibOptDxe/Ia32/ZeroMem.S        |  49 --
 .../BaseMemoryLibOptDxe/X64/CompareMem.S      |  59 --
 .../Library/BaseMemoryLibOptDxe/X64/CopyMem.S |  82 ---
 .../BaseMemoryLibOptDxe/X64/ScanMem16.S       |  56 --
 .../BaseMemoryLibOptDxe/X64/ScanMem32.S       |  56 --
 .../BaseMemoryLibOptDxe/X64/ScanMem64.S       |  55 --
 .../BaseMemoryLibOptDxe/X64/ScanMem8.S        |  56 --
 .../Library/BaseMemoryLibOptDxe/X64/SetMem.S  |  57 --
 .../BaseMemoryLibOptDxe/X64/SetMem16.S        |  47 --
 .../BaseMemoryLibOptDxe/X64/SetMem32.S        |  47 --
 .../BaseMemoryLibOptDxe/X64/SetMem64.S        |  46 --
 .../Library/BaseMemoryLibOptDxe/X64/ZeroMem.S |  51 --
 .../BaseMemoryLibOptPei.inf                   |  22 -
 .../BaseMemoryLibOptPei/Ia32/CompareMem.S     |  55 --
 .../BaseMemoryLibOptPei/Ia32/CopyMem.S        |  62 --
 .../BaseMemoryLibOptPei/Ia32/ScanMem16.S      |  52 --
 .../BaseMemoryLibOptPei/Ia32/ScanMem32.S      |  52 --
 .../BaseMemoryLibOptPei/Ia32/ScanMem64.S      |  61 --
 .../BaseMemoryLibOptPei/Ia32/ScanMem8.S       |  52 --
 .../Library/BaseMemoryLibOptPei/Ia32/SetMem.S |  50 --
 .../BaseMemoryLibOptPei/Ia32/SetMem16.S       |  43 --
 .../BaseMemoryLibOptPei/Ia32/SetMem32.S       |  43 --
 .../BaseMemoryLibOptPei/Ia32/SetMem64.S       |  46 --
 .../BaseMemoryLibOptPei/Ia32/ZeroMem.S        |  49 --
 .../BaseMemoryLibOptPei/X64/CompareMem.S      |  59 --
 .../Library/BaseMemoryLibOptPei/X64/CopyMem.S |  66 --
 .../BaseMemoryLibOptPei/X64/ScanMem16.S       |  56 --
 .../BaseMemoryLibOptPei/X64/ScanMem32.S       |  56 --
 .../BaseMemoryLibOptPei/X64/ScanMem64.S       |  56 --
 .../BaseMemoryLibOptPei/X64/ScanMem8.S        |  56 --
 .../Library/BaseMemoryLibOptPei/X64/SetMem.S  |  47 --
 .../BaseMemoryLibOptPei/X64/SetMem16.S        |  47 --
 .../BaseMemoryLibOptPei/X64/SetMem32.S        |  47 --
 .../BaseMemoryLibOptPei/X64/SetMem64.S        |  46 --
 .../Library/BaseMemoryLibOptPei/X64/ZeroMem.S |  50 --
 .../BaseMemoryLibRepStr.inf                   |  22 -
 .../BaseMemoryLibRepStr/Ia32/CompareMem.S     |  55 --
 .../BaseMemoryLibRepStr/Ia32/CopyMem.S        |  65 --
 .../BaseMemoryLibRepStr/Ia32/ScanMem16.S      |  54 --
 .../BaseMemoryLibRepStr/Ia32/ScanMem32.S      |  54 --
 .../BaseMemoryLibRepStr/Ia32/ScanMem64.S      |  63 --
 .../BaseMemoryLibRepStr/Ia32/ScanMem8.S       |  54 --
 .../Library/BaseMemoryLibRepStr/Ia32/SetMem.S |  46 --
 .../BaseMemoryLibRepStr/Ia32/SetMem16.S       |  43 --
 .../BaseMemoryLibRepStr/Ia32/SetMem32.S       |  43 --
 .../BaseMemoryLibRepStr/Ia32/SetMem64.S       |  46 --
 .../BaseMemoryLibRepStr/Ia32/ZeroMem.S        |  49 --
 .../BaseMemoryLibRepStr/X64/CompareMem.S      |  59 --
 .../Library/BaseMemoryLibRepStr/X64/CopyMem.S |  66 --
 .../BaseMemoryLibRepStr/X64/ScanMem16.S       |  56 --
 .../BaseMemoryLibRepStr/X64/ScanMem32.S       |  56 --
 .../BaseMemoryLibRepStr/X64/ScanMem64.S       |  56 --
 .../BaseMemoryLibRepStr/X64/ScanMem8.S        |  56 --
 .../Library/BaseMemoryLibRepStr/X64/SetMem.S  |  47 --
 .../BaseMemoryLibRepStr/X64/SetMem16.S        |  47 --
 .../BaseMemoryLibRepStr/X64/SetMem32.S        |  47 --
 .../BaseMemoryLibRepStr/X64/SetMem64.S        |  46 --
 .../Library/BaseMemoryLibRepStr/X64/ZeroMem.S |  50 --
 .../BaseMemoryLibSse2/BaseMemoryLibSse2.inf   |  22 -
 .../BaseMemoryLibSse2/Ia32/CompareMem.S       |  55 --
 .../Library/BaseMemoryLibSse2/Ia32/CopyMem.S  |  85 ---
 .../BaseMemoryLibSse2/Ia32/ScanMem16.S        |  52 --
 .../BaseMemoryLibSse2/Ia32/ScanMem32.S        |  52 --
 .../BaseMemoryLibSse2/Ia32/ScanMem64.S        |  61 --
 .../Library/BaseMemoryLibSse2/Ia32/ScanMem8.S |  52 --
 .../Library/BaseMemoryLibSse2/Ia32/SetMem.S   |  76 --
 .../Library/BaseMemoryLibSse2/Ia32/SetMem16.S |  69 --
 .../Library/BaseMemoryLibSse2/Ia32/SetMem32.S |  68 --
 .../Library/BaseMemoryLibSse2/Ia32/SetMem64.S |  58 --
 .../Library/BaseMemoryLibSse2/Ia32/ZeroMem.S  |  65 --
 .../BaseMemoryLibSse2/X64/CompareMem.S        |  59 --
 .../Library/BaseMemoryLibSse2/X64/CopyMem.S   |  83 ---
 .../Library/BaseMemoryLibSse2/X64/ScanMem16.S |  56 --
 .../Library/BaseMemoryLibSse2/X64/ScanMem32.S |  56 --
 .../Library/BaseMemoryLibSse2/X64/ScanMem64.S |  56 --
 .../Library/BaseMemoryLibSse2/X64/ScanMem8.S  |  56 --
 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem.S |  72 --
 .../Library/BaseMemoryLibSse2/X64/SetMem16.S  |  70 --
 .../Library/BaseMemoryLibSse2/X64/SetMem32.S  |  69 --
 .../Library/BaseMemoryLibSse2/X64/SetMem64.S  |  60 --
 .../Library/BaseMemoryLibSse2/X64/ZeroMem.S   |  65 --
 .../Library/BaseUefiCpuLib/BaseUefiCpuLib.inf |   2 -
 .../BaseUefiCpuLib/Ia32/InitializeFpu.S       |  73 --
 .../BaseUefiCpuLib/X64/InitializeFpu.S        |  57 --
 .../DxeCpuExceptionHandlerLib.inf             |   2 -
 .../Ia32/ExceptionHandlerAsm.S                | 667 ------------------
 .../PeiCpuExceptionHandlerLib.inf             |   2 -
 .../SecPeiCpuExceptionHandlerLib.inf          |   2 -
 .../SmmCpuExceptionHandlerLib.inf             |   2 -
 .../X64/ExceptionHandlerAsm.S                 | 434 ------------
 .../Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S | 278 --------
 .../SmmCpuFeaturesLib/Ia32/SmiException.S     | 174 -----
 .../SmmCpuFeaturesLibStm.inf                  |   6 -
 .../Library/SmmCpuFeaturesLib/X64/SmiEntry.S  | 282 --------
 .../SmmCpuFeaturesLib/X64/SmiException.S      | 178 -----
 171 files changed, 10926 deletions(-)
 delete mode 100644 MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S
 delete mode 100644 MdePkg/Library/BaseCpuLib/X64/CpuSleep.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/ARShiftU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/CpuId.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/CpuIdEx.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DisableCache.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DisablePaging32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DivU64x32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnableCache.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnablePaging32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnablePaging64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/InternalSwitchStack.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/LRotU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/LShiftU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/LongJump.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/ModU64x32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/Monitor.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/MultU64x32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/MultU64x64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/Mwait.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/RRotU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/RShiftU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/RdRand.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/SetJump.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/SwapBytes64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/Thunk16.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/CpuId.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/CpuIdEx.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/DisableCache.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/DisablePaging64.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/EnableCache.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/LongJump.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/RdRand.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/SetJump.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/SwitchStack.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/Thunk16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ZeroMem.S
 delete mode 100644 UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.S
 delete mode 100644 UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.S
 delete mode 100644 UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.S
 delete mode 100644 UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandlerAsm.S
 delete mode 100644 UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S
 delete mode 100644 UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiException.S
 delete mode 100644 UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiEntry.S
 delete mode 100644 UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiException.S

-- 
2.18.0.windows.1



^ permalink raw reply	[flat|nested] 13+ messages in thread

* [PATCH v2 01/10] UefiCpuPkg/SmmCpuFeaturesLib: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  2019-03-20  6:54   ` Dong, Eric
  2019-03-19  6:59 ` [PATCH v2 02/10] UefiCpuPkg/BaseUefiCpuLib: " Shenglei Zhang
                   ` (8 subsequent siblings)
  9 siblings, 1 reply; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Eric Dong, Ray Ni

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 .../Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S | 278 -----------------
 .../SmmCpuFeaturesLib/Ia32/SmiException.S     | 174 -----------
 .../SmmCpuFeaturesLibStm.inf                  |   6 -
 .../Library/SmmCpuFeaturesLib/X64/SmiEntry.S  | 282 ------------------
 .../SmmCpuFeaturesLib/X64/SmiException.S      | 178 -----------
 5 files changed, 918 deletions(-)
 delete mode 100644 UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S
 delete mode 100644 UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiException.S
 delete mode 100644 UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiEntry.S
 delete mode 100644 UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiException.S

diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S b/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S
deleted file mode 100644
index 4c0f8c8933..0000000000
--- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S
+++ /dev/null
@@ -1,278 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SmiEntry.S
-#
-# Abstract:
-#
-#   Code template of the SMI handler for a particular processor
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL  ASM_PFX(gcStmSmiHandlerTemplate)
-ASM_GLOBAL  ASM_PFX(gcStmSmiHandlerSize)
-ASM_GLOBAL  ASM_PFX(gcStmSmiHandlerOffset)
-ASM_GLOBAL  ASM_PFX(gStmSmiCr3)
-ASM_GLOBAL  ASM_PFX(gStmSmiStack)
-ASM_GLOBAL  ASM_PFX(gStmSmbase)
-ASM_GLOBAL  ASM_PFX(gStmXdSupported)
-ASM_GLOBAL  ASM_PFX(FeaturePcdGet (PcdCpuSmmStackGuard))
-ASM_GLOBAL  ASM_PFX(gStmSmiHandlerIdtr)
-
-.equ            MSR_IA32_MISC_ENABLE, 0x1A0
-.equ            MSR_EFER, 0xc0000080
-.equ            MSR_EFER_XD, 0x800
-
-#
-# Constants relating to TXT_PROCESSOR_SMM_DESCRIPTOR
-#
-.equ            DSC_OFFSET, 0xfb00
-.equ            DSC_GDTPTR, 0x48
-.equ            DSC_GDTSIZ, 0x50
-.equ            DSC_CS, 0x14
-.equ            DSC_DS, 0x16
-.equ            DSC_SS, 0x18
-.equ            DSC_OTHERSEG, 0x1A
-
-.equ            PROTECT_MODE_CS, 0x08
-.equ            PROTECT_MODE_DS, 0x20
-.equ            TSS_SEGMENT,     0x40
-
-    .text
-ASM_PFX(gcStmSmiHandlerTemplate):
-
-_StmSmiEntryPoint:
-    .byte 0xbb                          # mov bx, imm16
-    .word _StmGdtDesc - _StmSmiEntryPoint + 0x8000
-    .byte 0x2e,0xa1                     # mov ax, cs:[offset16]
-    .word DSC_OFFSET + DSC_GDTSIZ
-    decl    %eax
-    movl    %eax, %cs:(%edi)            # mov cs:[bx], ax
-    .byte 0x66,0x2e,0xa1                # mov eax, cs:[offset16]
-    .word   DSC_OFFSET + DSC_GDTPTR
-    movw    %ax, %cs:2(%edi)
-    movw    %ax, %bp                    # ebp = GDT base
-    .byte 0x66
-    lgdt    %cs:(%edi)
-# Patch ProtectedMode Segment
-    .byte   0xb8                        # mov ax, imm16
-    .word   PROTECT_MODE_CS             # set AX for segment directly
-    movl    %eax, %cs:-2(%edi)          # mov cs:[bx - 2], ax
-# Patch ProtectedMode entry
-    .byte 0x66, 0xbf                    # mov edi, SMBASE
-ASM_PFX(gStmSmbase): .space 4
-    .byte 0x67
-    lea     ((Start32bit - _StmSmiEntryPoint) + 0x8000)(%edi), %ax
-    movw     %ax, %cs:-6(%edi)
-    movl    %cr0, %ebx
-    .byte 0x66
-    andl    $0x9ffafff3, %ebx
-    .byte 0x66
-    orl     $0x23, %ebx
-    movl    %ebx, %cr0
-    .byte 0x66,0xea
-    .space  4
-    .space  2
-_StmGdtDesc:   .space 4
-            .space 2
-
-Start32bit:
-    movw    $PROTECT_MODE_DS, %ax
-    movl    %eax,%ds
-    movl    %eax,%es
-    movl    %eax,%fs
-    movl    %eax,%gs
-    movl    %eax,%ss
-    .byte   0xbc                          # mov esp, imm32
-ASM_PFX(gStmSmiStack): .space 4
-    movl    $ASM_PFX(gStmSmiHandlerIdtr), %eax
-    lidt    (%eax)
-    jmp     ProtFlatMode
-
-ProtFlatMode:
-    .byte   0xb8                           # mov eax, imm32
-ASM_PFX(gStmSmiCr3): .space 4
-    movl    %eax, %cr3
-#
-# Need to test for CR4 specific bit support
-#
-    movl    $1, %eax
-    cpuid                                  # use CPUID to determine if specific CR4 bits are supported
-    xorl    %eax, %eax                     # Clear EAX
-    testl   $BIT2, %edx                    # Check for DE capabilities
-    jz      L8
-    orl     $BIT3, %eax
-L8:
-    testl   $BIT6, %edx                    # Check for PAE capabilities
-    jz      L9
-    orl     $BIT5, %eax
-L9:
-    testl   $BIT7, %edx                    # Check for MCE capabilities
-    jz      L10
-    orl     $BIT6, %eax
-L10:
-    testl   $BIT24, %edx                   # Check for FXSR capabilities
-    jz      L11
-    orl     $BIT9, %eax
-L11:
-    testl   $BIT25, %edx                   # Check for SSE capabilities
-    jz      L12
-    orl     $BIT10, %eax
-L12:                                       # as cr4.PGE is not set here, refresh cr3
-    movl    %eax, %cr4                     # in PreModifyMtrrs() to flush TLB.
-
-    cmpb    $0, ASM_PFX(FeaturePcdGet (PcdCpuSmmStackGuard))
-    jz      L5
-# Load TSS
-    movb    $0x89, (TSS_SEGMENT + 5)(%ebp) # clear busy flag
-    movl    $TSS_SEGMENT, %eax
-    ltrw    %ax
-L5:
-
-# enable NXE if supported
-    .byte   0xb0                           # mov al, imm8
-ASM_PFX(gStmXdSupported): .byte 1
-    cmpb    $0, %al
-    jz      SkipXd
-#
-# Check XD disable bit
-#
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    pushl   %edx                           # save MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx                    # MSR_IA32_MISC_ENABLE[34]
-    jz      L13
-    andw    $0x0FFFB, %dx                  # clear XD Disable bit if it is set
-    wrmsr
-L13:
-    movl    $MSR_EFER, %ecx
-    rdmsr
-    orw     $MSR_EFER_XD,%ax               # enable NXE
-    wrmsr
-    jmp     XdDone
-SkipXd:
-    subl    $4, %esp
-XdDone:
-
-    movl    %cr0, %ebx
-    orl     $0x080010023, %ebx             # enable paging + WP + NE + MP + PE
-    movl    %ebx, %cr0
-    leal    DSC_OFFSET(%edi),%ebx
-    movw    DSC_DS(%ebx),%ax
-    movl    %eax, %ds
-    movw    DSC_OTHERSEG(%ebx),%ax
-    movl    %eax, %es
-    movl    %eax, %fs
-    movl    %eax, %gs
-    movw    DSC_SS(%ebx),%ax
-    movl    %eax, %ss
-
-CommonHandler:
-    movl    4(%esp), %ebx
-
-    pushl   %ebx
-    movl    $ASM_PFX(CpuSmmDebugEntry), %eax
-    call    *%eax
-    addl    $4, %esp
-
-    pushl   %ebx
-    movl    $ASM_PFX(SmiRendezvous), %eax
-    call    *%eax
-    addl    $4, %esp
-
-    pushl   %ebx
-    movl    $ASM_PFX(CpuSmmDebugExit), %eax
-    call    *%eax
-    addl    $4, %esp
-
-    movl    $ASM_PFX(gStmXdSupported), %eax
-    movb    (%eax), %al
-    cmpb    $0, %al
-    jz      L16
-    popl    %edx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx
-    jz      L16
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering into SMM
-    wrmsr
-
-L16:
-    rsm
-
-_StmSmiHandler:
-#
-# Check XD disable bit
-#
-    xorl    %esi, %esi
-    movl    $ASM_PFX(gStmXdSupported), %eax
-    movb    (%eax), %al
-    cmpb    $0, %al
-    jz      StmXdDone
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    movl    %edx, %esi                     # save MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx                    # MSR_IA32_MISC_ENABLE[34]
-    jz      L14
-    andw    $0x0FFFB, %dx                  # clear XD Disable bit if it is set
-    wrmsr
-L14:
-    movl    $MSR_EFER, %ecx
-    rdmsr
-    orw     $MSR_EFER_XD,%ax               # enable NXE
-    wrmsr
-StmXdDone:
-    push    %esi
-
-    # below step is needed, because STM does not run above code.
-    # we have to run below code to set IDT/CR0/CR4
-    movl    $ASM_PFX(gStmSmiHandlerIdtr), %eax
-    lidt    (%eax)
-
-    movl    %cr0, %eax
-    orl     $0x80010023, %eax           # enable paging + WP + NE + MP + PE
-    movl    %eax, %cr0
-#
-# Need to test for CR4 specific bit support
-#
-    movl    $1, %eax
-    cpuid                               # use CPUID to determine if specific CR4 bits are supported
-    movl    %cr4, %eax                  # init EAX
-    testl   $BIT2, %edx                 # Check for DE capabilities
-    jz      L28
-    orl     $BIT3, %eax
-L28:
-    testl   $BIT6, %edx                 # Check for PAE capabilities
-    jz      L29
-    orl     $BIT5, %eax
-L29:
-    testl   $BIT7, %edx                 # Check for MCE capabilities
-    jz      L30
-    orl     $BIT6, %eax
-L30:
-    testl   $BIT24, %edx                # Check for FXSR capabilities
-    jz      L31
-    orl     $BIT9, %eax
-L31:
-    testl   $BIT25, %edx                # Check for SSE capabilities
-    jz      L32
-    orl     $BIT10, %eax
-L32:                                    # as cr4.PGE is not set here, refresh cr3
-    movl    %eax, %cr4                  # in PreModifyMtrrs() to flush TLB.
-    # STM init finish
-    jmp     CommonHandler
-
-
-ASM_PFX(gcStmSmiHandlerSize)  :  .word      . - _StmSmiEntryPoint
-ASM_PFX(gcStmSmiHandlerOffset):  .word      _StmSmiHandler - _StmSmiEntryPoint
-
diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiException.S b/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiException.S
deleted file mode 100644
index 7d0057af80..0000000000
--- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiException.S
+++ /dev/null
@@ -1,174 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SmiException.S
-#
-# Abstract:
-#
-#   Exception handlers used in SM mode
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL  ASM_PFX(gcStmPsd)
-
-ASM_GLOBAL  ASM_PFX(SmmStmExceptionHandler)
-ASM_GLOBAL  ASM_PFX(SmmStmSetup)
-ASM_GLOBAL  ASM_PFX(SmmStmTeardown)
-
-.equ  MSR_IA32_MISC_ENABLE, 0x1A0
-.equ  MSR_EFER,             0xc0000080
-.equ  MSR_EFER_XD,          0x800
-
-.equ  CODE_SEL,          0x08
-.equ  DATA_SEL,          0x20
-.equ  TSS_SEL,           0x40
-
-    .data
-
-ASM_PFX(gcStmPsd):
-            .ascii  "TXTPSSIG"
-            .word      PSD_SIZE
-            .word      1              # Version
-            .long      0              # LocalApicId
-            .byte      0x5            # Cr4Pse;Cr4Pae;Intel64Mode;ExecutionDisableOutsideSmrr
-            .byte      0              # BIOS to STM
-            .byte      0              # STM to BIOS
-            .byte      0
-            .word      CODE_SEL
-            .word      DATA_SEL
-            .word      DATA_SEL
-            .word      DATA_SEL
-            .word      TSS_SEL
-            .word      0
-            .quad      0              # SmmCr3
-            .long      ASM_PFX(_OnStmSetup)
-            .long      0
-            .long      ASM_PFX(_OnStmTeardown)
-            .long      0
-            .quad      0              # SmmSmiHandlerRip - SMM guest entrypoint
-            .quad      0              # SmmSmiHandlerRsp
-            .quad      0
-            .long      0
-            .long      0x80010100     # RequiredStmSmmRevId
-            .long      ASM_PFX(_OnException)
-            .long      0
-            .quad      0              # ExceptionStack
-            .word      DATA_SEL
-            .word      0x1F           # ExceptionFilter
-            .long      0
-            .quad      0
-            .quad      0              # BiosHwResourceRequirementsPtr
-            .quad      0              # AcpiRsdp
-            .byte      0              # PhysicalAddressBits
-.equ  PSD_SIZE,  . - ASM_PFX(gcStmPsd)
-
-    .text
-
-#------------------------------------------------------------------------------
-# SMM Exception handlers
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(_OnException)
-ASM_PFX(_OnException):
-    movl  %esp, %ecx
-    pushl %ecx
-    call  ASM_PFX(SmmStmExceptionHandler)
-    addl  $4, %esp
-
-    movl  %eax, %ebx
-    movl  $4, %eax
-    .byte 0xf, 0x1, 0xc1 # VMCALL
-    jmp .
-
-ASM_GLOBAL ASM_PFX(_OnStmSetup)
-ASM_PFX(_OnStmSetup):
-#
-# Check XD disable bit
-#
-    xorl    %esi, %esi
-    movl    $ASM_PFX(gStmXdSupported), %eax
-    movb    (%eax), %al
-    cmpb    $0, %al
-    jz      StmXdDone1
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    movl    %edx, %esi                     # save MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx                    # MSR_IA32_MISC_ENABLE[34]
-    jz      L13
-    andw    $0x0FFFB, %dx                  # clear XD Disable bit if it is set
-    wrmsr
-L13:
-    movl    $MSR_EFER, %ecx
-    rdmsr
-    orw     $MSR_EFER_XD,%ax               # enable NXE
-    wrmsr
-StmXdDone1:
-    push    %esi
-
-  call ASM_PFX(SmmStmSetup)
-
-    movl    $ASM_PFX(gStmXdSupported), %eax
-    movb    (%eax), %al
-    cmpb    $0, %al
-    jz      L14
-    popl    %edx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx
-    jz      L14
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering into SMM
-    wrmsr
-L14:
-
-  rsm
-
-ASM_GLOBAL ASM_PFX(_OnStmTeardown)
-ASM_PFX(_OnStmTeardown):
-#
-# Check XD disable bit
-#
-    xorl    %esi, %esi
-    movl    $ASM_PFX(gStmXdSupported), %eax
-    movb    (%eax), %al
-    cmpb    $0, %al
-    jz      StmXdDone2
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    movl    %edx, %esi                     # save MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx                    # MSR_IA32_MISC_ENABLE[34]
-    jz      L15
-    andw    $0x0FFFB, %dx                  # clear XD Disable bit if it is set
-    wrmsr
-L15:
-    movl    $MSR_EFER, %ecx
-    rdmsr
-    orw     $MSR_EFER_XD,%ax               # enable NXE
-    wrmsr
-StmXdDone2:
-    push    %esi
-
-  call ASM_PFX(SmmStmTeardown)
-
-    movl    $ASM_PFX(gStmXdSupported), %eax
-    movb    (%eax), %al
-    cmpb    $0, %al
-    jz      L16
-    popl    %edx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx
-    jz      L16
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering into SMM
-    wrmsr
-L16:
-
-  rsm
diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibStm.inf b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibStm.inf
index c700644427..7fd0cc5d04 100644
--- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibStm.inf
+++ b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibStm.inf
@@ -35,9 +35,6 @@
   Ia32/SmiEntry.nasm
   Ia32/SmiException.nasm
 
-  Ia32/SmiEntry.S
-  Ia32/SmiException.S
-
 [Sources.X64]
   X64/SmmStmSupport.c
 
@@ -45,9 +42,6 @@
   X64/SmiEntry.nasm
   X64/SmiException.nasm
 
-  X64/SmiEntry.S
-  X64/SmiException.S
-
 [Packages]
   MdePkg/MdePkg.dec
   MdeModulePkg/MdeModulePkg.dec
diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiEntry.S b/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiEntry.S
deleted file mode 100644
index 1f9f91ce10..0000000000
--- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiEntry.S
+++ /dev/null
@@ -1,282 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SmiEntry.S
-#
-# Abstract:
-#
-#   Code template of the SMI handler for a particular processor
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL  ASM_PFX(gcStmSmiHandlerTemplate)
-ASM_GLOBAL  ASM_PFX(gcStmSmiHandlerSize)
-ASM_GLOBAL  ASM_PFX(gcStmSmiHandlerOffset)
-ASM_GLOBAL  ASM_PFX(gStmSmiCr3)
-ASM_GLOBAL  ASM_PFX(gStmSmiStack)
-ASM_GLOBAL  ASM_PFX(gStmSmbase)
-ASM_GLOBAL  ASM_PFX(gStmXdSupported)
-ASM_GLOBAL  ASM_PFX(gStmSmiHandlerIdtr)
-
-.equ            MSR_IA32_MISC_ENABLE, 0x1A0
-.equ            MSR_EFER, 0xc0000080
-.equ            MSR_EFER_XD, 0x800
-
-#
-# Constants relating to TXT_PROCESSOR_SMM_DESCRIPTOR
-#
-.equ            DSC_OFFSET, 0xfb00
-.equ            DSC_GDTPTR, 0x48
-.equ            DSC_GDTSIZ, 0x50
-.equ            DSC_CS, 0x14
-.equ            DSC_DS, 0x16
-.equ            DSC_SS, 0x18
-.equ            DSC_OTHERSEG, 0x1a
-#
-# Constants relating to CPU State Save Area
-#
-.equ            SSM_DR6,   0xffd0
-.equ            SSM_DR7,   0xffc8
-
-.equ            PROTECT_MODE_CS, 0x08
-.equ            PROTECT_MODE_DS, 0x20
-.equ            LONG_MODE_CS, 0x38
-.equ            TSS_SEGMENT, 0x40
-.equ            GDT_SIZE, 0x50
-
-    .text
-
-ASM_PFX(gcStmSmiHandlerTemplate):
-
-_StmSmiEntryPoint:
-    #
-    # The encoding of BX in 16-bit addressing mode is the same as of RDI in 64-
-    # bit addressing mode. And that coincidence has been used in the following
-    # "64-bit like" 16-bit code. Be aware that once RDI is referenced as a
-    # base address register, it is actually BX that is referenced.
-    #
-    .byte 0xbb                          # mov bx, imm16
-    .word _StmGdtDesc - _StmSmiEntryPoint + 0x8000
-    #
-    # fix GDT descriptor
-    #
-    .byte 0x2e,0xa1                     # mov ax, cs:[offset16]
-    .word      DSC_OFFSET + DSC_GDTSIZ
-    .byte 0x48                          # dec ax
-    .byte 0x2e
-    movl    %eax, (%rdi)                # mov cs:[bx], ax
-    .byte 0x66,0x2e,0xa1                # mov eax, cs:[offset16]
-    .word      DSC_OFFSET + DSC_GDTPTR
-    .byte 0x2e
-    movw    %ax, 2(%rdi)
-    .byte 0x66,0x2e
-    lgdt    (%rdi)
-    #
-    # Patch ProtectedMode Segment
-    #
-    .byte 0xb8
-    .word PROTECT_MODE_CS
-    .byte 0x2e
-    movl    %eax, -2(%rdi)
-    #
-    # Patch ProtectedMode entry
-    #
-    .byte 0x66, 0xbf                    # mov edi, SMBASE
-ASM_PFX(gStmSmbase): .space 4
-    lea     ((ProtectedMode - _StmSmiEntryPoint) + 0x8000)(%edi), %ax
-    .byte 0x2e
-    movw    %ax, -6(%rdi)
-    #
-    # Switch into ProtectedMode
-    #
-    movq    %cr0, %rbx
-    .byte 0x66
-    andl    $0x9ffafff3, %ebx
-    .byte 0x66
-    orl     $0x00000023, %ebx
-
-    movq    %rbx, %cr0
-    .byte 0x66, 0xea
-    .space 6
-
-_StmGdtDesc:    .space  6
-
-ProtectedMode:
-    movw    $PROTECT_MODE_DS, %ax
-    movl    %eax, %ds
-    movl    %eax, %es
-    movl    %eax, %fs
-    movl    %eax, %gs
-    movl    %eax, %ss
-    .byte   0xbc                       # mov esp, imm32
-ASM_PFX(gStmSmiStack):   .space  4
-    jmp     ProtFlatMode
-
-ProtFlatMode:
-    .byte   0xb8
-ASM_PFX(gStmSmiCr3):    .space  4
-    movq    %rax, %cr3
-    movl    $0x668,%eax                 # as cr4.PGE is not set here, refresh cr3
-    movq    %rax, %cr4                  # in PreModifyMtrrs() to flush TLB.
-# Load TSS
-    subl    $8, %esp                    # reserve room in stack
-    sgdt    (%rsp)
-    movl    2(%rsp), %eax               # eax = GDT base
-    addl    $8, %esp
-    movb    $0x89, %dl
-    movb    %dl, (TSS_SEGMENT + 5)(%rax) # clear busy flag
-    movl    $TSS_SEGMENT, %eax
-    ltr     %ax
-
-# enable NXE if supported
-    .byte   0xb0                        # mov al, imm8
-ASM_PFX(gStmXdSupported): .byte 1
-    cmpb    $0, %al
-    jz      SkipXd
-#
-# Check XD disable bit
-#
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    subl    $4, %esp
-    pushq   %rdx                       # save MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx                # MSR_IA32_MISC_ENABLE[34]
-    jz      L13
-    andw    $0x0FFFB, %dx              # clear XD Disable bit if it is set
-    wrmsr
-L13:
-    movl    $MSR_EFER, %ecx
-    rdmsr
-    orw     $MSR_EFER_XD,%ax            # enable NXE
-    wrmsr
-    jmp     XdDone
-SkipXd:
-    subl    $8, %esp
-XdDone:
-
-    #
-    # Switch to LongMode
-    #
-    pushq    $LONG_MODE_CS                # push cs hardcore here
-    call     Base                         # push return address for retf later
-Base:
-    addl    $(LongMode - Base), (%rsp)  # offset for far retf, seg is the 1st arg
-
-    movl    $MSR_EFER, %ecx
-    rdmsr
-    orb     $1,%ah                      # enable LME
-    wrmsr
-    movq    %cr0, %rbx
-    orl     $0x080010023, %ebx          # enable paging + WP + NE + MP + PE
-    movq    %rbx, %cr0
-    retf
-LongMode:                               # long mode (64-bit code) starts here
-    movabsq $ASM_PFX(gStmSmiHandlerIdtr), %rax
-    lidt    (%rax)
-    lea     (DSC_OFFSET)(%rdi), %ebx
-    movw    DSC_DS(%rbx), %ax
-    movl    %eax,%ds
-    movw    DSC_OTHERSEG(%rbx), %ax
-    movl    %eax,%es
-    movl    %eax,%fs
-    movl    %eax,%gs
-    movw    DSC_SS(%rbx), %ax
-    movl    %eax,%ss
-
-CommonHandler:
-    movq    8(%rsp), %rbx
-    # Save FP registers
-
-    subq    $0x200, %rsp
-    .byte   0x48                        # FXSAVE64
-    fxsave  (%rsp)
-
-    addq    $-0x20, %rsp
-
-    movq    %rbx, %rcx
-    movabsq $ASM_PFX(CpuSmmDebugEntry), %rax
-    call    *%rax
-
-    movq    %rbx, %rcx
-    movabsq $ASM_PFX(SmiRendezvous), %rax
-    call    *%rax
-
-    movq    %rbx, %rcx
-    movabsq $ASM_PFX(CpuSmmDebugExit), %rax
-    call    *%rax
-
-    addq    $0x20, %rsp
-
-    #
-    # Restore FP registers
-    #
-    .byte   0x48                        # FXRSTOR64
-    fxrstor (%rsp)
-
-    addq    $0x200, %rsp
-
-    movabsq $ASM_PFX(gStmXdSupported), %rax
-    movb    (%rax), %al
-    cmpb    $0, %al
-    jz      L16
-    popq    %rdx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx
-    jz      L16
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering into SMM
-    wrmsr
-
-L16:
-    rsm
-
-_StmSmiHandler:
-#
-# Check XD disable bit
-#
-    xorq    %r8, %r8
-    movabsq $ASM_PFX(gStmXdSupported), %rax
-    movb    (%rax), %al
-    cmpb    $0, %al
-    jz      StmXdDone
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    movq    %rdx, %r8                  # save MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx                # MSR_IA32_MISC_ENABLE[34]
-    jz      L14
-    andw    $0x0FFFB, %dx              # clear XD Disable bit if it is set
-    wrmsr
-L14:
-    movl    $MSR_EFER, %ecx
-    rdmsr
-    orw     $MSR_EFER_XD,%ax            # enable NXE
-    wrmsr
-StmXdDone:
-    pushq   %r8
-
-    # below step is needed, because STM does not run above code.
-    # we have to run below code to set IDT/CR0/CR4
-    movabsq $ASM_PFX(gStmSmiHandlerIdtr), %rax
-    lidt    (%rax)
-
-    movq    %cr0, %rax
-    orl     $0x80010023, %eax
-    movq    %rax, %cr0
-    movq    %cr4, %rax
-    movl    $0x668, %eax                # as cr4.PGE is not set here, refresh cr3
-    movq    %rax, %cr4                  # in PreModifyMtrrs() to flush TLB.
-    # STM init finish
-    jmp     CommonHandler
-
-ASM_PFX(gcStmSmiHandlerSize)  :  .word      . - _StmSmiEntryPoint
-ASM_PFX(gcStmSmiHandlerOffset):  .word      _StmSmiHandler - _StmSmiEntryPoint
diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiException.S b/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiException.S
deleted file mode 100644
index 4d0cd9ac6f..0000000000
--- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiException.S
+++ /dev/null
@@ -1,178 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SmiException.S
-#
-# Abstract:
-#
-#   Exception handlers used in SM mode
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL  ASM_PFX(gcStmPsd)
-
-ASM_GLOBAL  ASM_PFX(SmmStmExceptionHandler)
-ASM_GLOBAL  ASM_PFX(SmmStmSetup)
-ASM_GLOBAL  ASM_PFX(SmmStmTeardown)
-
-.equ  CODE_SEL,             0x38
-.equ  DATA_SEL,             0x20
-.equ  TR_SEL,               0x40
-
-.equ  MSR_IA32_MISC_ENABLE, 0x1A0
-.equ  MSR_EFER,             0x0c0000080
-.equ  MSR_EFER_XD,          0x0800
-
-    .data
-
-#
-# This structure serves as a template for all processors.
-#
-ASM_PFX(gcStmPsd):
-            .ascii     "TXTPSSIG"
-            .word      PSD_SIZE
-            .word      1              # Version
-            .long      0              # LocalApicId
-            .byte      0xF            # Cr4Pse;Cr4Pae;Intel64Mode;ExecutionDisableOutsideSmrr
-            .byte      0              # BIOS to STM
-            .byte      0              # STM to BIOS
-            .byte      0
-            .word      CODE_SEL
-            .word      DATA_SEL
-            .word      DATA_SEL
-            .word      DATA_SEL
-            .word      TR_SEL
-            .word      0
-            .quad      0              # SmmCr3
-            .quad      ASM_PFX(_OnStmSetup)
-            .quad      ASM_PFX(_OnStmTeardown)
-            .quad      0              # SmmSmiHandlerRip - SMM guest entrypoint
-            .quad      0              # SmmSmiHandlerRsp
-            .quad      0
-            .long      0
-            .long      0x80010100     # RequiredStmSmmRevId
-            .quad      ASM_PFX(_OnException)
-            .quad      0              # ExceptionStack
-            .word      DATA_SEL
-            .word      0x1F           # ExceptionFilter
-            .long      0
-            .quad      0
-            .quad      0              # BiosHwResourceRequirementsPtr
-            .quad      0              # AcpiRsdp
-            .byte      0              # PhysicalAddressBits
-.equ  PSD_SIZE,  . - ASM_PFX(gcStmPsd)
-
-    .text
-#------------------------------------------------------------------------------
-# SMM Exception handlers
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(_OnException)
-ASM_PFX(_OnException):
-    movq %rsp, %rcx
-    subq $0x28, %rsp
-    call ASM_PFX(SmmStmExceptionHandler)
-    addq $0x28, %rsp
-    movl %eax, %ebx
-    movl $4, %eax
-    .byte  0xf, 0x1, 0xc1 # VMCALL
-    jmp .
-
-ASM_GLOBAL ASM_PFX(_OnStmSetup)
-ASM_PFX(_OnStmSetup):
-#
-# Check XD disable bit
-#
-    xorq    %r8, %r8
-    movabsq $ASM_PFX(gStmXdSupported), %rax
-    movb    (%rax), %al
-    cmpb    $0, %al
-    jz      StmXdDone1
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    movq    %rdx, %r8                  # save MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx                # MSR_IA32_MISC_ENABLE[34]
-    jz      L13
-    andw    $0x0FFFB, %dx              # clear XD Disable bit if it is set
-    wrmsr
-L13:
-    movl    $MSR_EFER, %ecx
-    rdmsr
-    orw     $MSR_EFER_XD,%ax            # enable NXE
-    wrmsr
-StmXdDone1:
-    pushq   %r8
-
-  subq $0x20, %rsp
-  call ASM_PFX(SmmStmSetup)
-  addq 0x20, %rsp
-
-    movabsq $ASM_PFX(gStmXdSupported), %rax
-    movb    (%rax), %al
-    cmpb    $0, %al
-    jz      L14
-    popq    %rdx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx
-    jz      L14
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering into SMM
-    wrmsr
-L14:
-
-  rsm
-
-ASM_GLOBAL ASM_PFX(_OnStmTeardown)
-ASM_PFX(_OnStmTeardown):
-#
-# Check XD disable bit
-#
-    xorq    %r8, %r8
-    movabsq $ASM_PFX(gStmXdSupported), %rax
-    movb    (%rax), %al
-    cmpb    $0, %al
-    jz      StmXdDone2
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    movq    %rdx, %r8                  # save MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx                # MSR_IA32_MISC_ENABLE[34]
-    jz      L15
-    andw    $0x0FFFB, %dx              # clear XD Disable bit if it is set
-    wrmsr
-L15:
-    movl    $MSR_EFER, %ecx
-    rdmsr
-    orw     $MSR_EFER_XD,%ax            # enable NXE
-    wrmsr
-StmXdDone2:
-    pushq   %r8
-
-  subq $0x20, %rsp
-  call ASM_PFX(SmmStmTeardown)
-  addq $0x20, %rsp
-
-    movabsq $ASM_PFX(gStmXdSupported), %rax
-    movb    (%rax), %al
-    cmpb    $0, %al
-    jz      L16
-    popq    %rdx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
-    testl   $BIT2, %edx
-    jz      L16
-    movl    $MSR_IA32_MISC_ENABLE, %ecx
-    rdmsr
-    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering into SMM
-    wrmsr
-L16:
-
-  rsm
-
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* [PATCH v2 02/10] UefiCpuPkg/BaseUefiCpuLib: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 01/10] UefiCpuPkg/SmmCpuFeaturesLib: Remove .S files for IA32 and X64 arch Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  2019-03-21  6:58   ` Dong, Eric
  2019-03-19  6:59 ` [PATCH v2 03/10] UefiCpuPkg/CpuExceptionHandlerLib:Remove.S " Shenglei Zhang
                   ` (7 subsequent siblings)
  9 siblings, 1 reply; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 .../Library/BaseUefiCpuLib/BaseUefiCpuLib.inf |  2 -
 .../BaseUefiCpuLib/Ia32/InitializeFpu.S       | 73 -------------------
 .../BaseUefiCpuLib/X64/InitializeFpu.S        | 57 ---------------
 3 files changed, 132 deletions(-)
 delete mode 100644 UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.S
 delete mode 100644 UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.S

diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
index 5614452a88..2e9756e50e 100644
--- a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
+++ b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
@@ -31,11 +31,9 @@
 
 [Sources.IA32]
   Ia32/InitializeFpu.nasm
-  Ia32/InitializeFpu.S
 
 [Sources.X64]
   X64/InitializeFpu.nasm
-  X64/InitializeFpu.S
 
 [Packages]
   MdePkg/MdePkg.dec
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.S b/UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.S
deleted file mode 100644
index 0a1a9198f6..0000000000
--- a/UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.S
+++ /dev/null
@@ -1,73 +0,0 @@
-#------------------------------------------------------------------------------
-#*
-#*   Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
-#*   This program and the accompanying materials
-#*   are licensed and made available under the terms and conditions of the BSD License
-#*   which accompanies this distribution.  The full text of the license may be found at
-#*   http://opensource.org/licenses/bsd-license.php
-#*
-#*   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#*   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#*
-#*
-#------------------------------------------------------------------------------
-
-#
-# Float control word initial value:
-# all exceptions masked, double-precision, round-to-nearest
-#
-ASM_PFX(mFpuControlWord): .word     0x027F
-#
-# Multimedia-extensions control word:
-# all exceptions masked, round-to-nearest, flush to zero for masked underflow
-#
-ASM_PFX(mMmxControlWord): .long     0x01F80
-
-#
-# Initializes floating point units for requirement of UEFI specification.
-#
-# This function initializes floating-point control word to 0x027F (all exceptions
-# masked,double-precision, round-to-nearest) and multimedia-extensions control word
-# (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
-# for masked underflow).
-#
-ASM_GLOBAL ASM_PFX(InitializeFloatingPointUnits)
-ASM_PFX(InitializeFloatingPointUnits):
-
-    pushl   %ebx
-
-    #
-    # Initialize floating point units
-    #
-    finit
-    fldcw   ASM_PFX(mFpuControlWord)
-
-    #
-    # Use CpuId instructuion (CPUID.01H:EDX.SSE[bit 25] = 1) to test
-    # whether the processor supports SSE instruction.
-    #
-    movl    $1,  %eax
-    cpuid
-    btl     $25, %edx
-    jnc     Done
-
-    #
-    # Set OSFXSR bit 9 in CR4
-    #
-    movl    %cr4, %eax
-    or      $0x200, %eax
-    movl    %eax, %cr4
-
-    #
-    # The processor should support SSE instruction and we can use
-    # ldmxcsr instruction
-    #
-    ldmxcsr ASM_PFX(mMmxControlWord)
-
-Done:
-    popl    %ebx
-
-    ret
-
-#END
-
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.S b/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.S
deleted file mode 100644
index f0b0d3e264..0000000000
--- a/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.S
+++ /dev/null
@@ -1,57 +0,0 @@
-#------------------------------------------------------------------------------
-#*
-#*   Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
-#*   This program and the accompanying materials
-#*   are licensed and made available under the terms and conditions of the BSD License
-#*   which accompanies this distribution.  The full text of the license may be found at
-#*   http://opensource.org/licenses/bsd-license.php
-#*
-#*   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#*   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#*
-#*
-#------------------------------------------------------------------------------
-
-#
-# Initializes floating point units for requirement of UEFI specification.
-#
-# This function initializes floating-point control word to 0x037F (all exceptions
-# masked,double-extended-precision, round-to-nearest) and multimedia-extensions control word
-# (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
-# for masked underflow).
-#
-ASM_GLOBAL ASM_PFX(InitializeFloatingPointUnits)
-ASM_PFX(InitializeFloatingPointUnits):
-
-    #
-    # Initialize floating point units
-    #
-    finit
-
-    #
-    # Float control word initial value:
-    # all exceptions masked, double-precision, round-to-nearest
-    #
-    pushq   $0x037F
-    lea     (%rsp), %rax
-    fldcw   (%rax)
-    popq    %rax
-
-    #
-    # Set OSFXSR bit 9 in CR4
-    #
-    movq    %cr4, %rax
-    or      $0x200, %rax
-    movq    %rax, %cr4
-
-    #
-    # Multimedia-extensions control word:
-    # all exceptions masked, round-to-nearest, flush to zero for masked underflow
-    #
-    pushq   $0x01F80
-    lea     (%rsp), %rax
-    ldmxcsr (%rax)
-    popq    %rax
-
-    ret
-
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* [PATCH v2 03/10] UefiCpuPkg/CpuExceptionHandlerLib:Remove.S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 01/10] UefiCpuPkg/SmmCpuFeaturesLib: Remove .S files for IA32 and X64 arch Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 02/10] UefiCpuPkg/BaseUefiCpuLib: " Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 04/10] MdePkg/BaseCpuLib: Remove .S " Shenglei Zhang
                   ` (6 subsequent siblings)
  9 siblings, 0 replies; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 .../DxeCpuExceptionHandlerLib.inf             |   2 -
 .../Ia32/ExceptionHandlerAsm.S                | 667 ------------------
 .../PeiCpuExceptionHandlerLib.inf             |   2 -
 .../SecPeiCpuExceptionHandlerLib.inf          |   2 -
 .../SmmCpuExceptionHandlerLib.inf             |   2 -
 .../X64/ExceptionHandlerAsm.S                 | 434 ------------
 6 files changed, 1109 deletions(-)
 delete mode 100644 UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.S
 delete mode 100644 UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandlerAsm.S

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
index a480890165..391e49f077 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
@@ -30,13 +30,11 @@
 [Sources.Ia32]
   Ia32/ExceptionHandlerAsm.nasm
   Ia32/ExceptionTssEntryAsm.nasm
-  Ia32/ExceptionHandlerAsm.S
   Ia32/ArchExceptionHandler.c
   Ia32/ArchInterruptDefs.h
 
 [Sources.X64]
   X64/ExceptionHandlerAsm.nasm
-  X64/ExceptionHandlerAsm.S
   X64/ArchExceptionHandler.c
   X64/ArchInterruptDefs.h
 
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.S b/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.S
deleted file mode 100644
index c134257d9d..0000000000
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ExceptionHandlerAsm.S
+++ /dev/null
@@ -1,667 +0,0 @@
-#------------------------------------------------------------------------------
-#*
-#*   Copyright (c) 2012 - 2015, Intel Corporation. All rights reserved.<BR>
-#*   This program and the accompanying materials
-#*   are licensed and made available under the terms and conditions of the BSD License
-#*   which accompanies this distribution.  The full text of the license may be found at
-#*   http://opensource.org/licenses/bsd-license.php
-#*
-#*   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-#*   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#*
-#*    ExceptionHandlerAsm.S
-#*
-#*   Abstract:
-#*
-#*     IA32 CPU Exception Handler
-#
-#------------------------------------------------------------------------------
-
-
-#.MMX
-#.XMM
-
-ASM_GLOBAL ASM_PFX(CommonExceptionHandler)
-ASM_GLOBAL ASM_PFX(CommonInterruptEntry)
-ASM_GLOBAL ASM_PFX(HookAfterStubHeaderEnd)
-
-#EXTRN ASM_PFX(mErrorCodeFlag):DWORD           # Error code flags for exceptions
-#EXTRN ASM_PFX(mDoFarReturnFlag):DWORD         # Do far return flag
-
-.text
-
-#
-# exception handler stub table
-#
-Exception0Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   0
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception1Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   1
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception2Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   2
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception3Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   3
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception4Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   4
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception5Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   5
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception6Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   6
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception7Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   7
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception8Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   8
-    pushl   %eax
-     .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception9Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   9
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception10Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   10
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception11Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   11
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception12Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   12
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception13Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   13
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception14Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   14
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception15Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   15
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception16Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   16
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception17Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   17
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception18Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   18
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception19Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   19
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception20Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   20
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception21Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   21
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception22Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   22
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception23Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   23
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception24Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   24
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception25Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   25
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception26Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   26
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception27Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   27
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception28Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   28
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception29Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   29
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception30Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   30
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-Exception31Handle:
-    .byte   0x6a    #  push #VectorNum
-    .byte   31
-    pushl   %eax
-    .byte   0xB8
-    .long   ASM_PFX(CommonInterruptEntry)
-    jmp     *%eax
-
-HookAfterStubBegin:
-    .byte   0x6a       # push
-VectorNum:
-    .byte   0          # 0 will be fixed
-    pushl   %eax
-    .byte   0xB8       # movl    ASM_PFX(HookAfterStubHeaderEnd), %eax
-    .long   ASM_PFX(HookAfterStubHeaderEnd)
-    jmp     *%eax
-ASM_GLOBAL ASM_PFX(HookAfterStubHeaderEnd)
-ASM_PFX(HookAfterStubHeaderEnd):
-    popl    %eax
-    subl    $8, %esp        # reserve room for filling exception data later
-    pushl   8(%esp)
-    xchgl   (%esp), %ecx    # get vector number
-    bt      %ecx, ASM_PFX(mErrorCodeFlag)
-    jnc     NoErrorData
-    pushl    (%esp)         # addition push if exception data needed
-NoErrorData:
-    xchg    (%esp), %ecx    # restore ecx
-    pushl   %eax
-
-#---------------------------------------;
-# CommonInterruptEntry                  ;
-#---------------------------------------;
-# The follow algorithm is used for the common interrupt routine.
-
-ASM_GLOBAL ASM_PFX(CommonInterruptEntry)
-ASM_PFX(CommonInterruptEntry):
-    cli
-    popl    %eax
-    #
-    # All interrupt handlers are invoked through interrupt gates, so
-    # IF flag automatically cleared at the entry point
-    #
-
-    #
-    # Get vector number from top of stack
-    #
-    xchgl   (%esp), %ecx
-    andl    $0x0FF, %ecx      # Vector number should be less than 256
-    cmpl    $32, %ecx         # Intel reserved vector for exceptions?
-    jae     NoErrorCode
-    bt      %ecx, ASM_PFX(mErrorCodeFlag)
-    jc      HasErrorCode
-
-NoErrorCode:
-
-    #
-    # Stack:
-    # +---------------------+
-    # +    EFlags           +
-    # +---------------------+
-    # +    CS               +
-    # +---------------------+
-    # +    EIP              +
-    # +---------------------+
-    # +    ECX              +
-    # +---------------------+ <-- ESP
-    #
-    # Registers:
-    #   ECX - Vector Number
-    #
-
-    #
-    # Put Vector Number on stack
-    #
-    pushl   %ecx
-
-    #
-    # Put 0 (dummy) error code on stack, and restore ECX
-    #
-    xorl    %ecx, %ecx  # ECX = 0
-    xchgl   4(%esp), %ecx
-
-    jmp     ErrorCodeAndVectorOnStack
-
-HasErrorCode:
-
-    #
-    # Stack:
-    # +---------------------+
-    # +    EFlags           +
-    # +---------------------+
-    # +    CS               +
-    # +---------------------+
-    # +    EIP              +
-    # +---------------------+
-    # +    Error Code       +
-    # +---------------------+
-    # +    ECX              +
-    # +---------------------+ <-- ESP
-    #
-    # Registers:
-    #   ECX - Vector Number
-    #
-
-    #
-    # Put Vector Number on stack and restore ECX
-    #
-    xchgl   (%esp), %ecx
-
-ErrorCodeAndVectorOnStack:
-    pushl   %ebp
-    movl    %esp, %ebp
-
-    #
-    # Stack:
-    # +---------------------+
-    # +    EFlags           +
-    # +---------------------+
-    # +    CS               +
-    # +---------------------+
-    # +    EIP              +
-    # +---------------------+
-    # +    Error Code       +
-    # +---------------------+
-    # +    Vector Number    +
-    # +---------------------+
-    # +    EBP              +
-    # +---------------------+ <-- EBP
-    #
-
-    #
-    # Align stack to make sure that EFI_FX_SAVE_STATE_IA32 of EFI_SYSTEM_CONTEXT_IA32
-    # is 16-byte aligned
-    #
-    andl    $0x0fffffff0, %esp
-    subl    $12, %esp
-
-    subl    $8, %esp
-    pushl   $0         # check EXCEPTION_HANDLER_CONTEXT.OldIdtHandler
-    pushl   $0         # check EXCEPTION_HANDLER_CONTEXT.ExceptionDataFlag
-
-#; UINT32  Edi, Esi, Ebp, Esp, Ebx, Edx, Ecx, Eax;
-    pushl   %eax
-    pushl   %ecx
-    pushl   %edx
-    pushl   %ebx
-    leal    24(%ebp), %ecx
-    pushl   %ecx                          # ESP
-    pushl   (%ebp)              # EBP
-    pushl   %esi
-    pushl   %edi
-
-#; UINT32  Gs, Fs, Es, Ds, Cs, Ss;
-    movl    %ss, %eax
-    pushl   %eax
-    movzwl  16(%ebp), %eax
-    pushl   %eax
-    movl    %ds, %eax
-    pushl   %eax
-    movl    %es, %eax
-    pushl   %eax
-    movl    %fs, %eax
-    pushl   %eax
-    movl    %gs, %eax
-    pushl   %eax
-
-#; UINT32  Eip;
-    movl    12(%ebp), %eax
-    pushl   %eax
-
-#; UINT32  Gdtr[2], Idtr[2];
-    subl    $8, %esp
-    sidt    (%esp)
-    movl    2(%esp), %eax
-    xchgl   (%esp), %eax
-    andl    $0x0FFFF, %eax
-    movl    %eax, 4(%esp)
-
-    subl    $8, %esp
-    sgdt    (%esp)
-    movl    2(%esp), %eax
-    xchgl   (%esp), %eax
-    andl    $0x0FFFF, %eax
-    movl    %eax, 4(%esp)
-
-#; UINT32  Ldtr, Tr;
-    xorl    %eax, %eax
-    str     %ax
-    pushl   %eax
-    sldt    %ax
-    pushl   %eax
-
-#; UINT32  EFlags;
-    movl    20(%ebp), %eax
-    pushl   %eax
-
-#; UINT32  Cr0, Cr1, Cr2, Cr3, Cr4;
-## insure FXSAVE/FXRSTOR is enabled in CR4...
-## ... while we're at it, make sure DE is also enabled...
-    mov     $1, %eax
-    pushl   %ebx                         # temporarily save value of ebx on stack
-    cpuid                                # use CPUID to determine if FXSAVE/FXRESTOR
-                                         # and DE are supported
-    popl    %ebx                         # retore value of ebx that was overwritten
-                                         # by CPUID
-    movl    %cr4, %eax
-    pushl   %eax                         # push cr4 firstly
-    testl   $BIT24, %edx                 # Test for FXSAVE/FXRESTOR support
-    jz      L1
-    orl     $BIT9, %eax                  # Set CR4.OSFXSR
-L1:
-    testl   $BIT2, %edx                  # Test for Debugging Extensions support
-    jz      L2
-    orl     $BIT3, %eax                  # Set CR4.DE
-L2:
-    movl    %eax, %cr4
-    movl    %cr3, %eax
-    pushl   %eax
-    movl    %cr2, %eax
-    pushl   %eax
-    xorl    %eax, %eax
-    pushl   %eax
-    movl    %cr0, %eax
-    pushl   %eax
-
-#; UINT32  Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
-    movl    %dr7, %eax
-    pushl   %eax
-    movl    %dr6, %eax
-    pushl   %eax
-    movl    %dr3, %eax
-    pushl   %eax
-    movl    %dr2, %eax
-    pushl   %eax
-    movl    %dr1, %eax
-    pushl   %eax
-    movl    %dr0, %eax
-    pushl   %eax
-
-#; FX_SAVE_STATE_IA32 FxSaveState;
-    subl    $512, %esp
-    movl    %esp, %edi
-    testl   $BIT24, %edx     # Test for FXSAVE/FXRESTOR support.
-                             # edx still contains result from CPUID above
-    jz      L3
-    .byte      0x0f, 0x0ae, 0x07 #fxsave [edi]
-L3:
-
-#; UEFI calling convention for IA32 requires that Direction flag in EFLAGs is clear
-    cld
-
-#; UINT32  ExceptionData;
-    pushl   8(%ebp)
-
-#; Prepare parameter and call
-    movl    %esp, %edx
-    pushl   %edx
-    movl    4(%ebp), %edx
-    pushl   %edx
-
-    #
-    # Call External Exception Handler
-    #
-    call    ASM_PFX(CommonExceptionHandler)
-    addl    $8, %esp
-
-    cli
-#; UINT32  ExceptionData;
-    addl    $4, %esp
-
-#; FX_SAVE_STATE_IA32 FxSaveState;
-    movl    %esp, %esi
-    movl    $1, %eax
-    cpuid                    # use CPUID to determine if FXSAVE/FXRESTOR
-                             # are supported
-    testl   $BIT24, %edx     # Test for FXSAVE/FXRESTOR support
-    jz      L4
-    .byte      0x0f, 0x0ae, 0x0e # fxrstor [esi]
-L4:
-    addl    $512, %esp
-
-#; UINT32  Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
-#; Skip restoration of DRx registers to support in-circuit emualators
-#; or debuggers set breakpoint in interrupt/exception context
-    addl    $24, %esp
-
-#; UINT32  Cr0, Cr1, Cr2, Cr3, Cr4;
-    popl    %eax
-    movl    %eax, %cr0
-    addl    $4, %esp    # not for Cr1
-    popl    %eax
-    movl    %eax, %cr2
-    popl    %eax
-    movl    %eax, %cr3
-    popl    %eax
-    movl    %eax, %cr4
-
-#; UINT32  EFlags;
-    popl    20(%ebp)
-
-#; UINT32  Ldtr, Tr;
-#; UINT32  Gdtr[2], Idtr[2];
-#; Best not let anyone mess with these particular registers...
-    addl    $24, %esp
-
-#; UINT32  Eip;
-    popl    12(%ebp)
-
-#; UINT32  Gs, Fs, Es, Ds, Cs, Ss;
-#; NOTE - modified segment registers could hang the debugger...  We
-#;        could attempt to insulate ourselves against this possibility,
-#;        but that poses risks as well.
-#;
-    popl    %gs
-    popl    %fs
-    popl    %es
-    popl    %ds
-    popl    16(%ebp)
-    popl    %ss
-
-#; UINT32  Edi, Esi, Ebp, Esp, Ebx, Edx, Ecx, Eax;
-    popl    %edi
-    popl    %esi
-    addl    $4, %esp   # not for ebp
-    addl    $4, %esp   # not for esp
-    popl    %ebx
-    popl    %edx
-    popl    %ecx
-    popl    %eax
-
-    popl    -8(%ebp)
-    popl    -4(%ebp)
-    movl    %ebp, %esp
-    popl    %ebp
-    addl    $8, %esp
-    cmpl    $0, -16(%esp)  # check EXCEPTION_HANDLER_CONTEXT.OldIdtHandler
-    jz      DoReturn
-    cmpl    $1, -20(%esp)  # check EXCEPTION_HANDLER_CONTEXT.ExceptionDataFlag
-    jz      ErrorCode
-    jmp     *-16(%esp)
-ErrorCode:
-    subl    $4, %esp
-    jmp     *-12(%esp)
-
-DoReturn:
-    cmpl    $0, ASM_PFX(mDoFarReturnFlag)
-    jz      DoIret
-    pushl   8(%esp)       # save EFLAGS
-    addl    $16, %esp
-    pushl   -8(%esp)      # save CS in new location
-    pushl   -8(%esp)      # save EIP in new location
-    pushl   -8(%esp)      # save EFLAGS in new location
-    popfl                 # restore EFLAGS
-    lret                  # far return
-
-DoIret:
-    iretl
-
-
-#---------------------------------------;
-# _AsmGetTemplateAddressMap             ;
-#---------------------------------------;
-#
-# Protocol prototype
-#   AsmGetTemplateAddressMap (
-#     EXCEPTION_HANDLER_TEMPLATE_MAP *AddressMap
-#   );
-#
-# Routine Description:
-#
-#  Return address map of interrupt handler template so that C code can generate
-#  interrupt table.
-#
-# Arguments:
-#
-#
-# Returns:
-#
-#   Nothing
-#
-#
-# Input:  [ebp][0]  = Original ebp
-#         [ebp][4]  = Return address
-#
-# Output: Nothing
-#
-# Destroys: Nothing
-#-----------------------------------------------------------------------------;
-#-------------------------------------------------------------------------------------
-#  AsmGetAddressMap (&AddressMap);
-#-------------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmGetTemplateAddressMap)
-ASM_PFX(AsmGetTemplateAddressMap):
-
-        pushl       %ebp
-        movl        %esp,%ebp
-        pushal
-
-        movl        0x8(%ebp), %ebx
-        movl        $Exception0Handle, (%ebx)
-        movl        $(Exception1Handle - Exception0Handle), 0x4(%ebx)
-        movl        $(HookAfterStubBegin), 0x8(%ebx)
-
-        popal
-        popl        %ebp
-        ret
-#-------------------------------------------------------------------------------------
-#  AsmVectorNumFixup (*NewVectorAddr, VectorNum, *OldVectorAddr);
-#-------------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmVectorNumFixup)
-ASM_PFX(AsmVectorNumFixup):
-        movl  8(%esp), %eax
-        movl  4(%esp), %ecx
-        movb  %al, (VectorNum - HookAfterStubBegin)(%ecx)
-        ret
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf
index e192641db2..f0ad1050d5 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf
@@ -30,13 +30,11 @@
 [Sources.Ia32]
   Ia32/ExceptionHandlerAsm.nasm
   Ia32/ExceptionTssEntryAsm.nasm
-  Ia32/ExceptionHandlerAsm.S
   Ia32/ArchExceptionHandler.c
   Ia32/ArchInterruptDefs.h
 
 [Sources.X64]
   X64/ExceptionHandlerAsm.nasm
-  X64/ExceptionHandlerAsm.S
   X64/ArchExceptionHandler.c
   X64/ArchInterruptDefs.h
 
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf b/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf
index 76b8fe8222..1caaf92da4 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf
@@ -30,13 +30,11 @@
 [Sources.Ia32]
   Ia32/ExceptionHandlerAsm.nasm
   Ia32/ExceptionTssEntryAsm.nasm
-  Ia32/ExceptionHandlerAsm.S
   Ia32/ArchExceptionHandler.c
   Ia32/ArchInterruptDefs.h
 
 [Sources.X64]
   X64/ExceptionHandlerAsm.nasm
-  X64/ExceptionHandlerAsm.S
   X64/ArchExceptionHandler.c
   X64/ArchInterruptDefs.h
 
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmCpuExceptionHandlerLib.inf b/UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmCpuExceptionHandlerLib.inf
index 6f90302204..feeefcfd8b 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmCpuExceptionHandlerLib.inf
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmCpuExceptionHandlerLib.inf
@@ -30,13 +30,11 @@
 [Sources.Ia32]
   Ia32/ExceptionHandlerAsm.nasm
   Ia32/ExceptionTssEntryAsm.nasm
-  Ia32/ExceptionHandlerAsm.S
   Ia32/ArchExceptionHandler.c
   Ia32/ArchInterruptDefs.h
 
 [Sources.X64]
   X64/ExceptionHandlerAsm.nasm
-  X64/ExceptionHandlerAsm.S
   X64/ArchExceptionHandler.c
   X64/ArchInterruptDefs.h
 
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandlerAsm.S b/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandlerAsm.S
deleted file mode 100644
index edd363cdaa..0000000000
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandlerAsm.S
+++ /dev/null
@@ -1,434 +0,0 @@
-#------------------------------------------------------------------------------ ;
-# Copyright (c) 2012 - 2017, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ExceptionHandlerAsm.S
-#
-# Abstract:
-#
-#   x64 CPU Exception Handler
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-
-ASM_GLOBAL ASM_PFX(CommonExceptionHandler)
-
-#EXTRN ASM_PFX(mErrorCodeFlag):DWORD    # Error code flags for exceptions
-#EXTRN ASM_PFX(mDoFarReturnFlag):QWORD  # Do far return flag
-.text
-
-#ifdef __APPLE__
-# macros are different between GNU and Xcode as.
-.macro IDT_MACRO
-  push     $0
-#else
-.macro IDT_MACRO arg
-  push    \arg
-#endif
-  .byte   0xe9      # jmp     ASM_PFX(CommonInterruptEntry)
-  .long   ASM_PFX(CommonInterruptEntry) - . - 4
-.endm
-
-AsmIdtVectorBegin:
-  IDT_MACRO $0
-  IDT_MACRO $1
-  IDT_MACRO $2
-  IDT_MACRO $3
-  IDT_MACRO $4
-  IDT_MACRO $5
-  IDT_MACRO $6
-  IDT_MACRO $7
-  IDT_MACRO $8
-  IDT_MACRO $9
-  IDT_MACRO $10
-  IDT_MACRO $11
-  IDT_MACRO $12
-  IDT_MACRO $13
-  IDT_MACRO $14
-  IDT_MACRO $15
-  IDT_MACRO $16
-  IDT_MACRO $17
-  IDT_MACRO $18
-  IDT_MACRO $19
-  IDT_MACRO $20
-  IDT_MACRO $21
-  IDT_MACRO $22
-  IDT_MACRO $23
-  IDT_MACRO $24
-  IDT_MACRO $25
-  IDT_MACRO $26
-  IDT_MACRO $27
-  IDT_MACRO $28
-  IDT_MACRO $29
-  IDT_MACRO $30
-  IDT_MACRO $31
-AsmIdtVectorEnd:
-
-HookAfterStubHeaderBegin:
-    .byte   0x6a      # push
-PatchVectorNum:
-    .byte   0         # 0 will be fixed
-    .byte   0xe9      # jmp     ASM_PFX(HookAfterStubHeaderEnd)
-PatchFuncAddress:
-     .set   HOOK_ADDRESS, ASM_PFX(HookAfterStubHeaderEnd) - . - 4
-    .long   HOOK_ADDRESS  # will be fixed
-ASM_GLOBAL ASM_PFX(HookAfterStubHeaderEnd)
-ASM_PFX(HookAfterStubHeaderEnd):
-    pushq   %rax
-    movq    %rsp, %rax
-    andl    $0x0fffffff0, %esp  # make sure 16-byte aligned for exception context
-    subq    $0x18, %rsp         # reserve room for filling exception data later
-    pushq   %rcx
-    movq    8(%rax), %rcx
-    bt      %ecx, ASM_PFX(mErrorCodeFlag)(%rip)
-    jnc     NoErrorData
-    pushq   (%rsp)            # push additional rcx to make stack alignment
-NoErrorData:
-    xchgq   (%rsp), %rcx      # restore rcx, save Exception Number in stack
-    movq    (%rax), %rax      # restore rax
-
-#---------------------------------------;
-# CommonInterruptEntry                  ;
-#---------------------------------------;
-# The follow algorithm is used for the common interrupt routine.
-
-ASM_GLOBAL ASM_PFX(CommonInterruptEntry)
-ASM_PFX(CommonInterruptEntry):
-    cli
-    #
-    # All interrupt handlers are invoked through interrupt gates, so
-    # IF flag automatically cleared at the entry point
-    #
-    #
-    # Calculate vector number
-    #
-    xchgq   (%rsp), %rcx       # get the return address of call, actually, it is the address of vector number.
-    andq     $0x0FF, %rcx
-    cmp     $32, %ecx          # Intel reserved vector for exceptions?
-    jae     NoErrorCode
-    pushq   %rax
-    movl    ASM_PFX(mErrorCodeFlag)(%rip), %eax
-    bt      %ecx, %eax
-    popq    %rax
-    jc      CommonInterruptEntry_al_0000
-
-NoErrorCode:
-
-    #
-    # Push a dummy error code on the stack
-    # to maintain coherent stack map
-    #
-    pushq   (%rsp)
-    movq    $0, 8(%rsp)
-CommonInterruptEntry_al_0000:
-    pushq   %rbp
-    movq    %rsp, %rbp
-    pushq   $0          # check EXCEPTION_HANDLER_CONTEXT.OldIdtHandler
-    pushq   $0          # check EXCEPTION_HANDLER_CONTEXT.ExceptionDataFlag
-
-    #
-    # Stack:
-    # +---------------------+ <-- 16-byte aligned ensured by processor
-    # +    Old SS           +
-    # +---------------------+
-    # +    Old RSP          +
-    # +---------------------+
-    # +    RFlags           +
-    # +---------------------+
-    # +    CS               +
-    # +---------------------+
-    # +    RIP              +
-    # +---------------------+
-    # +    Error Code       +
-    # +---------------------+
-    # + RCX / Vector Number +
-    # +---------------------+
-    # +    RBP              +
-    # +---------------------+ <-- RBP, 16-byte aligned
-    #
-
-
-    #
-    # Since here the stack pointer is 16-byte aligned, so
-    # EFI_FX_SAVE_STATE_X64 of EFI_SYSTEM_CONTEXT_x64
-    # is 16-byte aligned
-    #
-
-#; UINT64  Rdi, Rsi, Rbp, Rsp, Rbx, Rdx, Rcx, Rax;
-#; UINT64  R8, R9, R10, R11, R12, R13, R14, R15;
-    pushq    %r15
-    pushq    %r14
-    pushq    %r13
-    pushq    %r12
-    pushq    %r11
-    pushq    %r10
-    pushq    %r9
-    pushq    %r8
-    pushq    %rax
-    pushq    8(%rbp)   # RCX
-    pushq    %rdx
-    pushq    %rbx
-    pushq    48(%rbp)  # RSP
-    pushq    (%rbp)    # RBP
-    pushq    %rsi
-    pushq    %rdi
-
-#; UINT64  Gs, Fs, Es, Ds, Cs, Ss;  insure high 16 bits of each is zero
-    movzwq  56(%rbp), %rax
-    pushq   %rax                      # for ss
-    movzwq  32(%rbp), %rax
-    pushq   %rax                      # for cs
-    mov     %ds, %rax
-    pushq   %rax
-    mov     %es, %rax
-    pushq   %rax
-    mov     %fs, %rax
-    pushq   %rax
-    mov     %gs, %rax
-    pushq   %rax
-
-    movq    %rcx, 8(%rbp)                # save vector number
-
-#; UINT64  Rip;
-    pushq   24(%rbp)
-
-#; UINT64  Gdtr[2], Idtr[2];
-    xorq    %rax, %rax
-    pushq   %rax
-    pushq   %rax
-    sidt    (%rsp)
-    xchgq   2(%rsp), %rax
-    xchgq   (%rsp), %rax
-    xchgq   8(%rsp), %rax
-
-    xorq    %rax, %rax
-    pushq   %rax
-    pushq   %rax
-    sgdt    (%rsp)
-    xchgq   2(%rsp), %rax
-    xchgq   (%rsp), %rax
-    xchgq   8(%rsp), %rax
-
-#; UINT64  Ldtr, Tr;
-    xorq    %rax, %rax
-    str     %ax
-    pushq   %rax
-    sldt    %ax
-    pushq   %rax
-
-#; UINT64  RFlags;
-    pushq   40(%rbp)
-
-#; UINT64  Cr0, Cr1, Cr2, Cr3, Cr4, Cr8;
-    movq    %cr8, %rax
-    pushq   %rax
-    movq    %cr4, %rax
-    orq     $0x208, %rax
-    movq    %rax, %cr4
-    pushq   %rax
-    mov     %cr3, %rax
-    pushq   %rax
-    mov     %cr2, %rax
-    pushq   %rax
-    xorq    %rax, %rax
-    pushq   %rax
-    mov     %cr0, %rax
-    pushq   %rax
-
-#; UINT64  Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
-    movq    %dr7, %rax
-    pushq   %rax
-    movq    %dr6, %rax
-    pushq   %rax
-    movq    %dr3, %rax
-    pushq   %rax
-    movq    %dr2, %rax
-    pushq   %rax
-    movq    %dr1, %rax
-    pushq   %rax
-    movq    %dr0, %rax
-    pushq   %rax
-
-#; FX_SAVE_STATE_X64 FxSaveState;
-    subq    $512, %rsp
-    movq    %rsp, %rdi
-    .byte 0x0f, 0x0ae, 0x07 #fxsave [rdi]
-
-#; UEFI calling convention for x64 requires that Direction flag in EFLAGs is clear
-    cld
-
-#; UINT32  ExceptionData;
-    pushq   16(%rbp)
-
-#; Prepare parameter and call
-    mov     8(%rbp), %rcx
-    mov     %rsp, %rdx
-    #
-    # Per X64 calling convention, allocate maximum parameter stack space
-    # and make sure RSP is 16-byte aligned
-    #
-    subq    $40, %rsp
-    call    ASM_PFX(CommonExceptionHandler)
-    addq    $40, %rsp
-
-    cli
-#; UINT64  ExceptionData;
-    addq    $8, %rsp
-
-#; FX_SAVE_STATE_X64 FxSaveState;
-
-    movq    %rsp, %rsi
-    .byte   0x0f, 0x0ae, 0x0E # fxrstor [rsi]
-    addq    $512, %rsp
-
-#; UINT64  Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;
-#; Skip restoration of DRx registers to support in-circuit emualators
-#; or debuggers set breakpoint in interrupt/exception context
-    addq    $48, %rsp
-
-#; UINT64  Cr0, Cr1, Cr2, Cr3, Cr4, Cr8;
-    popq    %rax
-    movq    %rax, %cr0
-    addq    $8, %rsp   # not for Cr1
-    popq    %rax
-    movq    %rax, %cr2
-    popq    %rax
-    movq    %rax, %cr3
-    popq    %rax
-    movq    %rax, %cr4
-    popq    %rax
-    movq    %rax, %cr8
-
-#; UINT64  RFlags;
-    popq    40(%rbp)
-
-#; UINT64  Ldtr, Tr;
-#; UINT64  Gdtr[2], Idtr[2];
-#; Best not let anyone mess with these particular registers...
-    addq    $48, %rsp
-
-#; UINT64  Rip;
-    popq    24(%rbp)
-
-#; UINT64  Gs, Fs, Es, Ds, Cs, Ss;
-    popq    %rax
-    # mov   %rax, %gs ; not for gs
-    popq    %rax
-    # mov   %rax, %fs ; not for fs
-    # (X64 will not use fs and gs, so we do not restore it)
-    popq    %rax
-    mov     %rax, %es
-    popq    %rax
-    mov     %rax, %ds
-    popq    32(%rbp)  # for cs
-    popq    56(%rbp)  # for ss
-
-#; UINT64  Rdi, Rsi, Rbp, Rsp, Rbx, Rdx, Rcx, Rax;
-#; UINT64  R8, R9, R10, R11, R12, R13, R14, R15;
-    popq    %rdi
-    popq    %rsi
-    addq    $8, %rsp              # not for rbp
-    popq    48(%rbp)              # for rsp
-    popq    %rbx
-    popq    %rdx
-    popq    %rcx
-    popq    %rax
-    popq    %r8
-    popq    %r9
-    popq    %r10
-    popq    %r11
-    popq    %r12
-    popq    %r13
-    popq    %r14
-    popq    %r15
-
-    movq    %rbp, %rsp
-    popq    %rbp
-    addq    $16, %rsp
-    cmpq    $0, -32(%rsp)      # check EXCEPTION_HANDLER_CONTEXT.OldIdtHandler
-    jz      DoReturn           # check EXCEPTION_HANDLER_CONTEXT.ExceptionDataFlag
-    cmpb    $1, -40(%rsp)
-    jz      ErrorCode
-    jmp     *-32(%rsp)
-ErrorCode:
-    subq    $8, %rsp
-    jmp     *-24(%rsp)
-
-DoReturn:
-    pushq   %rax
-    movq    ASM_PFX(mDoFarReturnFlag)(%rip), %rax
-    cmpq    $0, %rax          # Check if need to do far return instead of IRET
-    popq    %rax
-    jz      DoIret
-    pushq   %rax
-    movq    %rsp, %rax        # save old RSP to rax
-    movq    0x20(%rsp), %rsp
-    pushq   0x10(%rax)        # save CS in new location
-    pushq   0x8(%rax)         # save EIP in new location
-    pushq   0x18(%rax)        # save EFLAGS in new location
-    movq    (%rax), %rax      # restore rax
-    popfq                     # restore EFLAGS
-    lretq                     # far return
-DoIret:
-    iretq
-
-
-#-------------------------------------------------------------------------------------
-#  AsmGetTemplateAddressMap (&AddressMap);
-#-------------------------------------------------------------------------------------
-# comments here for definition of address map
-ASM_GLOBAL ASM_PFX(AsmGetTemplateAddressMap)
-ASM_PFX(AsmGetTemplateAddressMap):
-    pushq     %rbp
-    movq      %rsp, %rbp
-
-    leaq         AsmIdtVectorBegin(%rip), %rax
-    movq         %rax, (%rcx)
-    .set         ENTRY_SIZE, ASM_PFX(HookAfterStubHeaderEnd) - HookAfterStubHeaderBegin
-    movq         $(ENTRY_SIZE), 0x08(%rcx)
-    leaq         HookAfterStubHeaderBegin(%rip), %rax
-    movq         %rax, 0x10(%rcx)
-
-    popq      %rbp
-    ret
-
-#-------------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# AsmVectorNumFixup (
-#   IN VOID    *NewVectorAddr,  // RCX
-#   IN UINT8   VectorNum        // RDX
-#   IN VOID    *OldVectorAddr,  // R8
-#  );
-#-------------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmVectorNumFixup)
-ASM_PFX(AsmVectorNumFixup):
-    pushq     %rbp
-    movq      %rsp, %rbp
-
-# Patch vector #
-    movb      %dl, (PatchVectorNum - HookAfterStubHeaderBegin)(%rcx)
-
-# Patch Function address
-    subq      %rcx, %r8     # Calculate the offset value
-    movl      (PatchFuncAddress - HookAfterStubHeaderBegin)(%rcx), %eax
-    addq      %r8, %rax
-    movl      %eax, (PatchFuncAddress - HookAfterStubHeaderBegin)(%rcx)
-
-    popq      %rbp
-    ret
-
-#END
-
-
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* [PATCH v2 04/10] MdePkg/BaseCpuLib: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
                   ` (2 preceding siblings ...)
  2019-03-19  6:59 ` [PATCH v2 03/10] UefiCpuPkg/CpuExceptionHandlerLib:Remove.S " Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 05/10] MdePkg/BaseLib: " Shenglei Zhang
                   ` (5 subsequent siblings)
  9 siblings, 0 replies; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

v2: Remove CpuSleep.nasm| GCC and CpuFlushTlb.nasm| GCC in X64 arch
    in BaseCpuLib.inf.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 MdePkg/Library/BaseCpuLib/BaseCpuLib.inf    |  4 ---
 MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S | 35 ---------------------
 MdePkg/Library/BaseCpuLib/X64/CpuSleep.S    | 34 --------------------
 3 files changed, 73 deletions(-)
 delete mode 100644 MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S
 delete mode 100644 MdePkg/Library/BaseCpuLib/X64/CpuSleep.S

diff --git a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
index af2f09617a..a734cac377 100644
--- a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
+++ b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
@@ -46,10 +46,6 @@
   X64/CpuFlushTlb.nasm
   X64/CpuSleep.nasm
 
-  X64/CpuSleep.nasm| GCC
-  X64/CpuSleep.S | GCC
-  X64/CpuFlushTlb.nasm| GCC
-  X64/CpuFlushTlb.S | GCC
 
 [Sources.EBC]
   Ebc/CpuSleepFlushTlb.c
diff --git a/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S b/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S
deleted file mode 100644
index 05d916a589..0000000000
--- a/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.S
+++ /dev/null
@@ -1,35 +0,0 @@
-#------------------------------------------------------------------------------
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CpuFlushTlb.Asm
-#
-# Abstract:
-#
-#   CpuFlushTlb function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(CpuFlushTlb)
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# CpuFlushTlb (
-#   VOID
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(CpuFlushTlb):
-    mov     %cr3, %rax
-    mov     %rax, %cr3
-    ret
diff --git a/MdePkg/Library/BaseCpuLib/X64/CpuSleep.S b/MdePkg/Library/BaseCpuLib/X64/CpuSleep.S
deleted file mode 100644
index cf763689d7..0000000000
--- a/MdePkg/Library/BaseCpuLib/X64/CpuSleep.S
+++ /dev/null
@@ -1,34 +0,0 @@
-#------------------------------------------------------------------------------ ;
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CpuSleep.S
-#
-# Abstract:
-#
-#   CpuSleep function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# CpuSleep (
-#   VOID
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(CpuSleep)
-ASM_PFX(CpuSleep):
-    hlt
-    ret
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* [PATCH v2 05/10] MdePkg/BaseLib: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
                   ` (3 preceding siblings ...)
  2019-03-19  6:59 ` [PATCH v2 04/10] MdePkg/BaseCpuLib: Remove .S " Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 06/10] MdePkg/BaseMemoryLibMmx: " Shenglei Zhang
                   ` (4 subsequent siblings)
  9 siblings, 0 replies; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 MdePkg/Library/BaseLib/BaseLib.inf            |  38 --
 MdePkg/Library/BaseLib/Ia32/ARShiftU64.S      |  43 ---
 MdePkg/Library/BaseLib/Ia32/CpuId.S           |  63 ----
 MdePkg/Library/BaseLib/Ia32/CpuIdEx.S         |  67 ----
 MdePkg/Library/BaseLib/Ia32/DisableCache.S    |  39 --
 MdePkg/Library/BaseLib/Ia32/DisablePaging32.S |  52 ---
 MdePkg/Library/BaseLib/Ia32/DivU64x32.S       |  41 ---
 .../Library/BaseLib/Ia32/DivU64x32Remainder.S |  46 ---
 .../Library/BaseLib/Ia32/DivU64x64Remainder.S |  89 -----
 MdePkg/Library/BaseLib/Ia32/EnableCache.S     |  39 --
 .../BaseLib/Ia32/EnableDisableInterrupts.S    |  36 --
 MdePkg/Library/BaseLib/Ia32/EnablePaging32.S  |  52 ---
 MdePkg/Library/BaseLib/Ia32/EnablePaging64.S  |  63 ----
 .../BaseLib/Ia32/InternalSwitchStack.S        |  48 ---
 MdePkg/Library/BaseLib/Ia32/LRotU64.S         |  48 ---
 MdePkg/Library/BaseLib/Ia32/LShiftU64.S       |  43 ---
 MdePkg/Library/BaseLib/Ia32/LongJump.S        |  41 ---
 MdePkg/Library/BaseLib/Ia32/ModU64x32.S       |  40 ---
 MdePkg/Library/BaseLib/Ia32/Monitor.S         |  40 ---
 MdePkg/Library/BaseLib/Ia32/MultU64x32.S      |  41 ---
 MdePkg/Library/BaseLib/Ia32/MultU64x64.S      |  44 ---
 MdePkg/Library/BaseLib/Ia32/Mwait.S           |  38 --
 MdePkg/Library/BaseLib/Ia32/RRotU64.S         |  48 ---
 MdePkg/Library/BaseLib/Ia32/RShiftU64.S       |  46 ---
 MdePkg/Library/BaseLib/Ia32/RdRand.S          |  80 -----
 MdePkg/Library/BaseLib/Ia32/SetJump.S         |  44 ---
 MdePkg/Library/BaseLib/Ia32/SwapBytes64.S     |  38 --
 MdePkg/Library/BaseLib/Ia32/Thunk16.S         | 222 ------------
 MdePkg/Library/BaseLib/X64/CpuId.S            |  60 ----
 MdePkg/Library/BaseLib/X64/CpuIdEx.S          |  62 ----
 MdePkg/Library/BaseLib/X64/DisableCache.S     |  39 --
 MdePkg/Library/BaseLib/X64/DisablePaging64.S  |  82 -----
 MdePkg/Library/BaseLib/X64/EnableCache.S      |  39 --
 .../BaseLib/X64/EnableDisableInterrupts.S     |  36 --
 MdePkg/Library/BaseLib/X64/LongJump.S         |  54 ---
 MdePkg/Library/BaseLib/X64/RdRand.S           |  72 ----
 MdePkg/Library/BaseLib/X64/SetJump.S          |  53 ---
 MdePkg/Library/BaseLib/X64/SwitchStack.S      |  52 ---
 MdePkg/Library/BaseLib/X64/Thunk16.S          | 334 ------------------
 39 files changed, 2412 deletions(-)
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/ARShiftU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/CpuId.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/CpuIdEx.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DisableCache.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DisablePaging32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DivU64x32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnableCache.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnablePaging32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/EnablePaging64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/InternalSwitchStack.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/LRotU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/LShiftU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/LongJump.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/ModU64x32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/Monitor.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/MultU64x32.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/MultU64x64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/Mwait.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/RRotU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/RShiftU64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/RdRand.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/SetJump.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/SwapBytes64.S
 delete mode 100644 MdePkg/Library/BaseLib/Ia32/Thunk16.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/CpuId.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/CpuIdEx.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/DisableCache.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/DisablePaging64.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/EnableCache.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/LongJump.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/RdRand.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/SetJump.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/SwitchStack.S
 delete mode 100644 MdePkg/Library/BaseLib/X64/Thunk16.S

diff --git a/MdePkg/Library/BaseLib/BaseLib.inf b/MdePkg/Library/BaseLib/BaseLib.inf
index a0d6c372f9..16829deeb4 100644
--- a/MdePkg/Library/BaseLib/BaseLib.inf
+++ b/MdePkg/Library/BaseLib/BaseLib.inf
@@ -260,62 +260,35 @@
 
   Ia32/GccInline.c | GCC
   Ia32/Thunk16.nasm | GCC
-  Ia32/Thunk16.S | XCODE
   Ia32/EnableDisableInterrupts.nasm| GCC
-  Ia32/EnableDisableInterrupts.S | GCC
   Ia32/EnablePaging64.nasm| GCC
-  Ia32/EnablePaging64.S | GCC
   Ia32/DisablePaging32.nasm| GCC
-  Ia32/DisablePaging32.S | GCC
   Ia32/EnablePaging32.nasm| GCC
-  Ia32/EnablePaging32.S | GCC
   Ia32/Mwait.nasm| GCC
-  Ia32/Mwait.S | GCC
   Ia32/Monitor.nasm| GCC
-  Ia32/Monitor.S | GCC
   Ia32/CpuIdEx.nasm| GCC
-  Ia32/CpuIdEx.S | GCC
   Ia32/CpuId.nasm| GCC
-  Ia32/CpuId.S | GCC
   Ia32/LongJump.nasm| GCC
-  Ia32/LongJump.S | GCC
   Ia32/SetJump.nasm| GCC
-  Ia32/SetJump.S | GCC
   Ia32/SwapBytes64.nasm| GCC
-  Ia32/SwapBytes64.S | GCC
   Ia32/DivU64x64Remainder.nasm| GCC
-  Ia32/DivU64x64Remainder.S | GCC
   Ia32/DivU64x32Remainder.nasm| GCC
-  Ia32/DivU64x32Remainder.S | GCC
   Ia32/ModU64x32.nasm| GCC
-  Ia32/ModU64x32.S | GCC
   Ia32/DivU64x32.nasm| GCC
-  Ia32/DivU64x32.S | GCC
   Ia32/MultU64x64.nasm| GCC
-  Ia32/MultU64x64.S | GCC
   Ia32/MultU64x32.nasm| GCC
-  Ia32/MultU64x32.S | GCC
   Ia32/RRotU64.nasm| GCC
-  Ia32/RRotU64.S | GCC
   Ia32/LRotU64.nasm| GCC
-  Ia32/LRotU64.S | GCC
   Ia32/ARShiftU64.nasm| GCC
-  Ia32/ARShiftU64.S | GCC
   Ia32/RShiftU64.nasm| GCC
-  Ia32/RShiftU64.S | GCC
   Ia32/LShiftU64.nasm| GCC
-  Ia32/LShiftU64.S | GCC
   Ia32/EnableCache.nasm| GCC
-  Ia32/EnableCache.S | GCC
   Ia32/DisableCache.nasm| GCC
-  Ia32/DisableCache.S | GCC
   Ia32/RdRand.nasm| GCC
-  Ia32/RdRand.S | GCC
 
   Ia32/DivS64x64Remainder.c
   Ia32/InternalSwitchStack.c | MSFT
   Ia32/InternalSwitchStack.c | INTEL
-  Ia32/InternalSwitchStack.S | GCC
   Ia32/InternalSwitchStack.nasm | GCC
   Ia32/Non-existing.c
   Unaligned.c
@@ -518,27 +491,16 @@
   X86PatchInstruction.c
   X86SpeculationBarrier.c
   X64/GccInline.c | GCC
-  X64/Thunk16.S | XCODE
   X64/SwitchStack.nasm| GCC
-  X64/SwitchStack.S | GCC
   X64/SetJump.nasm| GCC
-  X64/SetJump.S | GCC
   X64/LongJump.nasm| GCC
-  X64/LongJump.S | GCC
   X64/EnableDisableInterrupts.nasm| GCC
-  X64/EnableDisableInterrupts.S | GCC
   X64/DisablePaging64.nasm| GCC
-  X64/DisablePaging64.S | GCC
   X64/CpuId.nasm| GCC
-  X64/CpuId.S | GCC
   X64/CpuIdEx.nasm| GCC
-  X64/CpuIdEx.S | GCC
   X64/EnableCache.nasm| GCC
-  X64/EnableCache.S | GCC
   X64/DisableCache.nasm| GCC
-  X64/DisableCache.S | GCC
   X64/RdRand.nasm| GCC
-  X64/RdRand.S | GCC
   ChkStkGcc.c  | GCC
 
 [Sources.EBC]
diff --git a/MdePkg/Library/BaseLib/Ia32/ARShiftU64.S b/MdePkg/Library/BaseLib/Ia32/ARShiftU64.S
deleted file mode 100644
index 5e993e44b5..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/ARShiftU64.S
+++ /dev/null
@@ -1,43 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ARShiftU64.S
-#
-# Abstract:
-#
-#   64-bit arithmetic right shift function for IA-32
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMathARShiftU64)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathARShiftU64 (
-#   IN      UINT64                    Operand,
-#   IN      UINTN                     Count
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathARShiftU64):
-    movb    12(%esp), %cl
-    movl    8(%esp), %eax
-    cltd
-    testb   $32, %cl
-    jnz     L0
-    movl    %eax, %edx
-    movl    4(%esp), %eax
-L0:
-    shrdl   %cl, %edx, %eax
-    sar     %cl, %edx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/CpuId.S b/MdePkg/Library/BaseLib/Ia32/CpuId.S
deleted file mode 100644
index b3b71a3d20..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/CpuId.S
+++ /dev/null
@@ -1,63 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CpuId.S
-#
-# Abstract:
-#
-#   AsmCpuid function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL  ASM_PFX(AsmCpuid)
-
-#------------------------------------------------------------------------------
-#  VOID
-#  EFIAPI
-#  AsmCpuid (
-#    IN   UINT32  RegisterInEax,
-#    OUT  UINT32  *RegisterOutEax  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEbx  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEcx  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEdx  OPTIONAL
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(AsmCpuid):
-    push    %ebx
-    push    %ebp
-    movl    %esp, %ebp
-    movl    12(%ebp), %eax
-    cpuid
-    push    %ecx
-    movl    16(%ebp), %ecx
-    jecxz   L1
-    movl    %eax, (%ecx)
-L1:
-    movl    20(%ebp), %ecx
-    jecxz   L2
-    movl    %ebx, (%ecx)
-L2:
-    movl    24(%ebp), %ecx
-    jecxz   L3
-    popl    (%ecx)
-L3:
-    movl    28(%ebp), %ecx
-    jecxz   L4
-    movl    %edx, (%ecx)
-L4:
-    movl    12(%ebp), %eax
-    leave
-    pop     %ebx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/CpuIdEx.S b/MdePkg/Library/BaseLib/Ia32/CpuIdEx.S
deleted file mode 100644
index 0d34c56162..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/CpuIdEx.S
+++ /dev/null
@@ -1,67 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CpuIdEx.S
-#
-# Abstract:
-#
-#   AsmCpuidEx function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-    .code:
-
-#------------------------------------------------------------------------------
-#  UINT32
-#  EFIAPI
-#  AsmCpuidEx (
-#    IN   UINT32  RegisterInEax,
-#    IN   UINT32  RegisterInEcx,
-#    OUT  UINT32  *RegisterOutEax  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEbx  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEcx  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEdx  OPTIONAL
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmCpuidEx)
-ASM_PFX(AsmCpuidEx):
-    push    %ebx
-    push    %ebp
-    movl    %esp, %ebp
-    movl    12(%ebp), %eax
-    movl    16(%ebp), %ecx
-    cpuid
-    push    %ecx
-    movl    20(%ebp), %ecx
-    jecxz   L1
-    movl    %eax, (%ecx)
-L1:
-    movl    24(%ebp), %ecx
-    jecxz   L2
-    movl    %ebx, (%ecx)
-L2:
-    movl    32(%ebp), %ecx
-    jecxz   L3
-    movl    %edx, (%ecx)
-L3:
-    movl    28(%ebp), %ecx
-    jecxz   L4
-    popl    (%ecx)
-L4:
-    movl    12(%ebp), %eax
-    leave
-    pop     %ebx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/DisableCache.S b/MdePkg/Library/BaseLib/Ia32/DisableCache.S
deleted file mode 100644
index 5f86da4494..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/DisableCache.S
+++ /dev/null
@@ -1,39 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   DisableCache.S
-#
-# Abstract:
-#
-#   Set the CD bit of CR0 to 1, clear the NW bit of CR0 to 0, and flush all caches with a
-#   WBINVD instruction.
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# AsmDisableCache (
-#   VOID
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmDisableCache)
-ASM_PFX(AsmDisableCache):
-    movl    %cr0, %eax
-    btsl    $30, %eax
-    btrl    $29, %eax
-    movl    %eax, %cr0
-    wbinvd
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/DisablePaging32.S b/MdePkg/Library/BaseLib/Ia32/DisablePaging32.S
deleted file mode 100644
index c6daf6ac87..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/DisablePaging32.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   DisablePaging32.S
-#
-# Abstract:
-#
-#   InternalX86DisablePaging32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalX86DisablePaging32)
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# InternalX86DisablePaging32 (
-#   IN      SWITCH_STACK_ENTRY_POINT  EntryPoint,
-#   IN      VOID                      *Context1,    OPTIONAL
-#   IN      VOID                      *Context2,    OPTIONAL
-#   IN      VOID                      *NewStack
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalX86DisablePaging32):
-    movl    4(%esp), %ebx
-    movl    8(%esp), %ecx
-    movl    12(%esp), %edx
-    pushfl
-    pop     %edi                        # save EFLAGS to edi
-    cli
-    movl    %cr0, %eax
-    btrl    $31, %eax
-    movl    16(%esp), %esp
-    movl    %eax, %cr0
-    push    %edi
-    popfl                               # restore EFLAGS from edi
-    push    %edx
-    push    %ecx
-    call    *%ebx
-    jmp     .                           # EntryPoint() should not return
diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x32.S b/MdePkg/Library/BaseLib/Ia32/DivU64x32.S
deleted file mode 100644
index 5d3f452945..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/DivU64x32.S
+++ /dev/null
@@ -1,41 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   DivU64x32.S
-#
-# Abstract:
-#
-#   Calculate the quotient of a 64-bit integer by a 32-bit integer
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMathDivU64x32)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathDivU64x32 (
-#   IN      UINT64                    Dividend,
-#   IN      UINT32                    Divisor
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathDivU64x32):
-    movl    8(%esp), %eax
-    movl    12(%esp), %ecx
-    xorl    %edx, %edx
-    divl    %ecx
-    push    %eax                    # save quotient on stack
-    movl    8(%esp), %eax
-    divl    %ecx
-    pop     %edx                    # restore high-order dword of the quotient
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S b/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S
deleted file mode 100644
index d9eb8e9e11..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/DivU64x32Remainder.S
+++ /dev/null
@@ -1,46 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   DivError.S
-#
-# Abstract:
-#
-#   Set error flag for all division functions
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMathDivRemU64x32)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathDivRemU64x32 (
-#   IN      UINT64                    Dividend,
-#   IN      UINT32                    Divisor,
-#   OUT     UINT32                    *Remainder
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathDivRemU64x32):
-    movl    12(%esp), %ecx          # ecx <- divisor
-    movl    8(%esp), %eax           # eax <- dividend[32..63]
-    xorl    %edx, %edx
-    divl    %ecx                    # eax <- quotient[32..63], edx <- remainder
-    push    %eax
-    movl    8(%esp), %eax           # eax <- dividend[0..31]
-    divl    %ecx                    # eax <- quotient[0..31]
-    movl    20(%esp), %ecx          # ecx <- Remainder
-    jecxz   L1                      # abandon remainder if Remainder == NULL
-    movl    %edx, (%ecx)
-L1:
-    pop     %edx                    # edx <- quotient[32..63]
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.S b/MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.S
deleted file mode 100644
index 9ec61b134b..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/DivU64x64Remainder.S
+++ /dev/null
@@ -1,89 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   DivU64x64Remainder.S
-#
-# Abstract:
-#
-#   Calculate the quotient of a 64-bit integer by a 64-bit integer and returns
-#   both the quotient and the remainder
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMathDivRemU64x32), ASM_PFX(InternalMathDivRemU64x64)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathDivRemU64x64 (
-#   IN      UINT64                    Dividend,
-#   IN      UINT64                    Divisor,
-#   OUT     UINT64                    *Remainder    OPTIONAL
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathDivRemU64x64):
-    movl    16(%esp), %ecx              # ecx <- divisor[32..63]
-    testl   %ecx, %ecx
-    jnz     Hard                        # call _@DivRemU64x64 if Divisor > 2^32
-    movl    20(%esp), %ecx
-    jecxz   L1
-    andl     $0, 4(%ecx)                # zero high dword of remainder
-    movl    %ecx, 16(%esp)              # set up stack frame to match DivRemU64x32
-L1:
-    jmp     ASM_PFX(InternalMathDivRemU64x32)
-Hard:
-    push    %ebx
-    push    %esi
-    push    %edi
-    mov     20(%esp), %edx
-    mov     16(%esp), %eax              # edx:eax <- dividend
-    movl    %edx, %edi
-    movl    %eax, %esi                  # edi:esi <- dividend
-    mov     24(%esp), %ebx              # ecx:ebx <- divisor
-L2:
-    shrl    %edx
-    rcrl    $1, %eax
-    shrdl   $1, %ecx, %ebx
-    shrl    %ecx
-    jnz     L2
-    divl    %ebx
-    movl    %eax, %ebx                  # ebx <- quotient
-    movl    28(%esp), %ecx              # ecx <- high dword of divisor
-    mull    24(%esp)                    # edx:eax <- quotient * divisor[0..31]
-    imull   %ebx, %ecx                  # ecx <- quotient * divisor[32..63]
-    addl    %ecx, %edx                  # edx <- (quotient * divisor)[32..63]
-    mov     32(%esp), %ecx              # ecx <- addr for Remainder
-    jc      TooLarge                    # product > 2^64
-    cmpl    %edx, %edi                  # compare high 32 bits
-    ja      Correct
-    jb      TooLarge                    # product > dividend
-    cmpl    %eax, %esi
-    jae     Correct                     # product <= dividend
-TooLarge:
-    decl    %ebx                        # adjust quotient by -1
-    jecxz   Return                      # return if Remainder == NULL
-    sub     24(%esp), %eax
-    sbb     28(%esp), %edx              # edx:eax <- (quotient - 1) * divisor
-Correct:
-    jecxz   Return
-    subl    %eax, %esi
-    sbbl    %edx, %edi                  # edi:esi <- remainder
-    movl    %esi, (%ecx)
-    movl    %edi, 4(%ecx)
-Return:
-    movl    %ebx, %eax                  # eax <- quotient
-    xorl    %edx, %edx                  # quotient is 32 bits long
-    pop     %edi
-    pop     %esi
-    pop     %ebx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/EnableCache.S b/MdePkg/Library/BaseLib/Ia32/EnableCache.S
deleted file mode 100644
index b41dd0d22a..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/EnableCache.S
+++ /dev/null
@@ -1,39 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   EnableCache.S
-#
-# Abstract:
-#
-#   Flush all caches with a WBINVD instruction, clear the CD bit of CR0 to 0, and clear
-#   the NW bit of CR0 to 0
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# AsmEnableCache (
-#   VOID
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmEnableCache)
-ASM_PFX(AsmEnableCache):
-    wbinvd
-    movl    %cr0, %eax
-    btrl    $30, %eax
-    btrl    $29, %eax
-    movl    %eax, %cr0
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.S b/MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.S
deleted file mode 100644
index bc89c258b7..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.S
+++ /dev/null
@@ -1,36 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   EnableDisableInterrupts.S
-#
-# Abstract:
-#
-#   EnableDisableInterrupts function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(EnableDisableInterrupts)
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# EnableDisableInterrupts (
-#   VOID
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(EnableDisableInterrupts):
-    sti
-    cli
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/EnablePaging32.S b/MdePkg/Library/BaseLib/Ia32/EnablePaging32.S
deleted file mode 100644
index 1a168c9cd9..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/EnablePaging32.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   EnablePaging32.S
-#
-# Abstract:
-#
-#   InternalX86EnablePaging32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalX86EnablePaging32)
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# InternalX86EnablePaging32 (
-#   IN      SWITCH_STACK_ENTRY_POINT  EntryPoint,
-#   IN      VOID                      *Context1,    OPTIONAL
-#   IN      VOID                      *Context2,    OPTIONAL
-#   IN      VOID                      *NewStack
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalX86EnablePaging32):
-    movl    4(%esp), %ebx
-    movl    8(%esp), %ecx
-    movl    12(%esp), %edx
-    pushfl
-    pop     %edi                        # save flags in edi
-    cli
-    movl    %cr0, %eax
-    btsl    $31, %eax
-    movl    16(%esp), %esp
-    movl    %eax, %cr0
-    push    %edi
-    popfl                               # restore flags
-    push    %edx
-    push    %ecx
-    call    *%ebx
-    jmp     .
diff --git a/MdePkg/Library/BaseLib/Ia32/EnablePaging64.S b/MdePkg/Library/BaseLib/Ia32/EnablePaging64.S
deleted file mode 100644
index 08950ce0e2..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/EnablePaging64.S
+++ /dev/null
@@ -1,63 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   EnablePaging64.S
-#
-# Abstract:
-#
-#   InternalX86EnablePaging64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalX86EnablePaging64)
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# InternalX86EnablePaging64 (
-#   IN      UINT16                    CodeSelector,
-#   IN      UINT64                    EntryPoint,
-#   IN      UINT64                    Context1,    OPTIONAL
-#   IN      UINT64                    Context2,    OPTIONAL
-#   IN      UINT64                    NewStack
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalX86EnablePaging64):
-    cli
-    movl    $LongStart, (%esp)          # offset for far retf, seg is the 1st arg
-    movl    %cr4, %eax
-    orb     $0x20, %al
-    movl    %eax, %cr4                  # enable PAE
-    movl    $0xc0000080, %ecx
-    rdmsr
-    orb     $1, %ah                     # set LME
-    wrmsr
-    movl    %cr0, %eax
-    btsl    $31, %eax                   # set PG
-    movl    %eax, %cr0                  # enable paging
-    lret                                # topmost 2 dwords hold the address
-LongStart:                              # long mode starts here
-    .byte   0x67, 0x48                  # 32-bit address size, 64-bit operand size
-    movl    (%esp), %ebx                # mov rbx, [esp]
-    .byte   0x67, 0x48
-    movl    8(%esp), %ecx               # mov rcx, [esp + 8]
-    .byte   0x67, 0x48
-    movl    0x10(%esp), %edx            # mov rdx, [esp + 10h]
-    .byte   0x67, 0x48
-    movl    0x18(%esp), %esp            # mov rsp, [esp + 18h]
-    .byte   0x48
-    addl    $-0x20, %esp                # add rsp, -20h
-    call    *%ebx                       # call rbx
-    jmp     .                           # no one should get here
diff --git a/MdePkg/Library/BaseLib/Ia32/InternalSwitchStack.S b/MdePkg/Library/BaseLib/Ia32/InternalSwitchStack.S
deleted file mode 100644
index 027379efd7..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/InternalSwitchStack.S
+++ /dev/null
@@ -1,48 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# Portions copyright (c) 2011, Apple Inc. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   InternalSwitchStack.S
-#
-# Abstract:
-#
-#   Implementation of a stack switch on IA-32.
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalSwitchStack)
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# InternalSwitchStack (
-#   IN      SWITCH_STACK_ENTRY_POINT  EntryPoint,
-#   IN      VOID                      *Context1,   OPTIONAL
-#   IN      VOID                      *Context2,   OPTIONAL
-#   IN      VOID                      *NewStack
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalSwitchStack):
-  pushl %ebp
-  movl  %esp, %ebp
-
-  movl  20(%ebp), %esp      # switch stack
-  subl  $8, %esp
-
-  movl  16(%ebp), %eax
-  movl  %eax, 4(%esp)
-  movl  12(%ebp), %eax
-  movl  %eax, (%esp)
-  pushl $0                  # keeps gdb from unwinding stack
-  jmp   *8(%ebp)            # call and never return
-
diff --git a/MdePkg/Library/BaseLib/Ia32/LRotU64.S b/MdePkg/Library/BaseLib/Ia32/LRotU64.S
deleted file mode 100644
index accac8b89d..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/LRotU64.S
+++ /dev/null
@@ -1,48 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   LRotU64.S
-#
-# Abstract:
-#
-#   64-bit left rotation for Ia32
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMathLRotU64)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathLRotU64 (
-#   IN      UINT64                    Operand,
-#   IN      UINTN                     Count
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathLRotU64):
-    push    %ebx
-    movb    16(%esp), %cl
-    movl    12(%esp), %edx
-    movl    8(%esp), %eax
-    shldl   %cl, %edx, %ebx
-    shldl   %cl, %eax, %edx
-    rorl    %cl, %ebx
-    shldl   %cl, %ebx, %eax
-    testb   $32, %cl                    # Count >= 32?
-    jz      L0
-    movl    %eax, %ecx
-    movl    %edx, %eax
-    movl    %ecx, %edx
-L0:
-    pop     %ebx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/LShiftU64.S b/MdePkg/Library/BaseLib/Ia32/LShiftU64.S
deleted file mode 100644
index 90baed001c..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/LShiftU64.S
+++ /dev/null
@@ -1,43 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   LShiftU64.S
-#
-# Abstract:
-#
-#   64-bit left shift function for IA-32
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMathLShiftU64)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathLShiftU64 (
-#   IN      UINT64                    Operand,
-#   IN      UINTN                     Count
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathLShiftU64):
-    movb    12(%esp), %cl
-    xorl    %eax, %eax
-    movl    4(%esp), %edx
-    testb   $32, %cl                    # Count >= 32?
-    jnz     L0
-    movl    %edx, %eax
-    movl    0x8(%esp), %edx
-L0:
-    shld    %cl, %eax, %edx
-    shl     %cl, %eax
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/LongJump.S b/MdePkg/Library/BaseLib/Ia32/LongJump.S
deleted file mode 100644
index 4514cd3bf1..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/LongJump.S
+++ /dev/null
@@ -1,41 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   LongJump.S
-#
-# Abstract:
-#
-#   Implementation of _LongJump() on IA-32.
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalLongJump)
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# InternalLongJump (
-#   IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
-#   IN      UINTN                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalLongJump):
-    pop     %eax                        # skip return address
-    pop     %edx                        # edx <- JumpBuffer
-    pop     %eax                        # eax <- Value
-    movl    (%edx), %ebx
-    movl    4(%edx), %esi
-    movl    8(%edx), %edi
-    movl    12(%edx), %ebp
-    movl    16(%edx), %esp
-    jmp     *20(%edx)                   # restore "eip"
diff --git a/MdePkg/Library/BaseLib/Ia32/ModU64x32.S b/MdePkg/Library/BaseLib/Ia32/ModU64x32.S
deleted file mode 100644
index beb2217734..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/ModU64x32.S
+++ /dev/null
@@ -1,40 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   DivU64x32.S
-#
-# Abstract:
-#
-#   Calculate the remainder of a 64-bit integer by a 32-bit integer
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMathModU64x32)
-
-#------------------------------------------------------------------------------
-# UINT32
-# EFIAPI
-# InternalMathModU64x32 (
-#   IN      UINT64                    Dividend,
-#   IN      UINT32                    Divisor
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathModU64x32):
-    movl    8(%esp), %eax
-    movl    12(%esp), %ecx
-    xorl    %edx, %edx
-    divl    %ecx
-    movl    4(%esp), %eax
-    divl    %ecx
-    movl    %edx, %eax
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/Monitor.S b/MdePkg/Library/BaseLib/Ia32/Monitor.S
deleted file mode 100644
index 1e5f40e770..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/Monitor.S
+++ /dev/null
@@ -1,40 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   Monitor.S
-#
-# Abstract:
-#
-#   AsmMonitor function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(AsmMonitor)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# AsmMonitor (
-#   IN      UINTN                     Eax,
-#   IN      UINTN                     Ecx,
-#   IN      UINTN                     Edx
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(AsmMonitor):
-    movl    4(%esp), %eax
-    movl    8(%esp), %ecx
-    movl    12(%esp), %edx
-    monitor %eax, %ecx, %edx            # monitor
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/MultU64x32.S b/MdePkg/Library/BaseLib/Ia32/MultU64x32.S
deleted file mode 100644
index 8e3f6f5560..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/MultU64x32.S
+++ /dev/null
@@ -1,41 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   MultU64x32.S
-#
-# Abstract:
-#
-#   Calculate the product of a 64-bit integer and a 32-bit integer
-#
-#------------------------------------------------------------------------------
-
-
-    .code:
-
-ASM_GLOBAL ASM_PFX(InternalMathMultU64x32)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathMultU64x32 (
-#   IN      UINT64                    Multiplicand,
-#   IN      UINT32                    Multiplier
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathMultU64x32):
-    movl    12(%esp), %ecx
-    movl    %ecx, %eax
-    imull   8(%esp), %ecx               # overflow not detectable
-    mull    0x4(%esp)
-    addl    %ecx, %edx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/MultU64x64.S b/MdePkg/Library/BaseLib/Ia32/MultU64x64.S
deleted file mode 100644
index 4e4fe710a7..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/MultU64x64.S
+++ /dev/null
@@ -1,44 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   MultU64x64.S
-#
-# Abstract:
-#
-#   Calculate the product of a 64-bit integer and another 64-bit integer
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMathMultU64x64)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathMultU64x64 (
-#   IN      UINT64                    Multiplicand,
-#   IN      UINT64                    Multiplier
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathMultU64x64):
-    push    %ebx
-    movl    8(%esp), %ebx             # ebx <- M1[0..31]
-    movl    16(%esp), %edx            # edx <- M2[0..31]
-    movl    %ebx, %ecx
-    movl    %edx, %eax
-    imull   20(%esp), %ebx            # ebx <- M1[0..31] * M2[32..63]
-    imull   12(%esp), %edx            # edx <- M1[32..63] * M2[0..31]
-    addl    %edx, %ebx                # carries are abandoned
-    mull    %ecx                      # edx:eax <- M1[0..31] * M2[0..31]
-    addl    %ebx, %edx                # carries are abandoned
-    pop     %ebx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/Mwait.S b/MdePkg/Library/BaseLib/Ia32/Mwait.S
deleted file mode 100644
index 22b3ffd0a4..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/Mwait.S
+++ /dev/null
@@ -1,38 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   Mwait.S
-#
-# Abstract:
-#
-#   AsmMwait function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(AsmMwait)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# AsmMwait (
-#   IN      UINTN                     Eax,
-#   IN      UINTN                     Ecx
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(AsmMwait):
-    movl    4(%esp), %eax
-    movl    8(%esp), %ecx
-    mwait
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/RRotU64.S b/MdePkg/Library/BaseLib/Ia32/RRotU64.S
deleted file mode 100644
index 426fcd6de3..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/RRotU64.S
+++ /dev/null
@@ -1,48 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   RRotU64.S
-#
-# Abstract:
-#
-#   64-bit right rotation for Ia32
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMathRRotU64)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathRRotU64 (
-#   IN      UINT64                    Operand,
-#   IN      UINTN                     Count
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathRRotU64):
-    push    %ebx
-    movb    16(%esp), %cl
-    movl    8(%esp), %eax
-    movl    12(%esp), %edx
-    shrdl   %cl, %eax, %ebx
-    shrdl   %cl, %edx, %eax
-    roll    %cl, %ebx
-    shrdl   %cl, %ebx, %edx
-    testb   $32, %cl                    # Count >= 32?
-    jz      L0
-    movl    %eax, %ecx                  # switch eax & edx if Count >= 32
-    movl    %edx, %eax
-    movl    %ecx, %edx
-L0:
-    pop     %ebx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/RShiftU64.S b/MdePkg/Library/BaseLib/Ia32/RShiftU64.S
deleted file mode 100644
index 28102303f2..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/RShiftU64.S
+++ /dev/null
@@ -1,46 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   RShiftU64.S
-#
-# Abstract:
-#
-#   64-bit logical right shift function for IA-32
-#
-#------------------------------------------------------------------------------
-
-
-    .code:
-
-ASM_GLOBAL ASM_PFX(InternalMathRShiftU64)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathRShiftU64 (
-#   IN      UINT64                    Operand,
-#   IN      UINTN                     Count
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathRShiftU64):
-    movb    12(%esp), %cl               # cl <- Count
-    xorl    %edx, %edx
-    movl    8(%esp), %eax
-    testb   $32, %cl                    # Count >= 32?
-    jnz     L0
-    movl    %eax, %edx
-    movl    0x4(%esp), %eax
-L0:
-    shrdl   %cl, %edx, %eax
-    shr     %cl, %edx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/RdRand.S b/MdePkg/Library/BaseLib/Ia32/RdRand.S
deleted file mode 100644
index d00075afe7..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/RdRand.S
+++ /dev/null
@@ -1,80 +0,0 @@
-#------------------------------------------------------------------------------ ;
-# Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   RdRand.S
-#
-# Abstract:
-#
-#   Generates random number through CPU RdRand instruction under 32-bit platform.
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-//------------------------------------------------------------------------------
-//  Generates a 16 bit random number through RDRAND instruction.
-//  Return TRUE if Rand generated successfully, or FALSE if not.
-//
-//  BOOLEAN EFIAPI InternalX86RdRand16 (UINT16 *Rand);
-//------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalX86RdRand16)
-ASM_PFX(InternalX86RdRand16):
-    .byte  0x0f, 0xc7, 0xf0        // rdrand r16: "0f c7 /6  ModRM:r/m(w)"
-    jc     rn16_ok                 // jmp if CF=1
-    xor    %eax, %eax              // reg=0 if CF=0
-    ret                            // return with failure status
-rn16_ok:
-    mov    0x4(%esp), %edx
-    mov    %ax, (%edx)
-    mov    $0x1, %eax
-    ret
-
-//------------------------------------------------------------------------------
-//  Generates a 32 bit random number through RDRAND instruction.
-//  Return TRUE if Rand generated successfully, or FALSE if not.
-//
-//  BOOLEAN EFIAPI InternalX86RdRand32 (UINT32 *Rand);
-//------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalX86RdRand32)
-ASM_PFX(InternalX86RdRand32):
-    .byte  0x0f, 0xc7, 0xf0        // rdrand r32: "0f c7 /6  ModRM:r/m(w)"
-    jc     rn32_ok                 // jmp if CF=1
-    xor    %eax, %eax              // reg=0 if CF=0
-    ret                            // return with failure status
-rn32_ok:
-    mov    0x4(%esp), %edx
-    mov    %eax, (%edx)
-    mov    $0x1, %eax
-    ret
-
-//------------------------------------------------------------------------------
-//  Generates a 64 bit random number through RDRAND instruction.
-//  Return TRUE if Rand generated successfully, or FALSE if not.
-//
-//  BOOLEAN EFIAPI InternalX86RdRand64 (UINT64 *Rand);
-//------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalX86RdRand64)
-ASM_PFX(InternalX86RdRand64):
-    .byte  0x0f, 0xc7, 0xf0        // rdrand r32: "0f c7 /6  ModRM:r/m(w)"
-    jnc    rn64_ret                // jmp if CF=0
-    mov    0x4(%esp), %edx
-    mov    %eax, (%edx)
-
-    .byte  0x0f, 0xc7, 0xf0        // generate another 32 bit RN
-    jnc    rn64_ret                // jmp if CF=0
-    mov    %eax, 0x4(%edx)
-
-    mov    $0x1, %eax
-    ret
-rn64_ret:
-    xor    %eax, %eax
-    ret                            // return with failure status
diff --git a/MdePkg/Library/BaseLib/Ia32/SetJump.S b/MdePkg/Library/BaseLib/Ia32/SetJump.S
deleted file mode 100644
index 459224e6c8..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/SetJump.S
+++ /dev/null
@@ -1,44 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetJump.S
-#
-# Abstract:
-#
-#   Implementation of SetJump() on IA-32.
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(SetJump), ASM_PFX(InternalAssertJumpBuffer)
-
-#------------------------------------------------------------------------------
-# UINTN
-# EFIAPI
-# SetJump (
-#   OUT     BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(SetJump):
-    pushl   0x4(%esp)
-    call    ASM_PFX(InternalAssertJumpBuffer)               # To validate JumpBuffer
-    pop     %ecx
-    pop     %ecx                                            # ecx <- return address
-    movl    (%esp), %edx
-    movl    %ebx, (%edx)
-    movl    %esi, 4(%edx)
-    movl    %edi, 8(%edx)
-    movl    %ebp, 12(%edx)
-    movl    %esp, 16(%edx)
-    movl    %ecx, 20(%edx)                                  # eip value to restore in LongJump
-    xorl    %eax, %eax
-    jmp     *%ecx
diff --git a/MdePkg/Library/BaseLib/Ia32/SwapBytes64.S b/MdePkg/Library/BaseLib/Ia32/SwapBytes64.S
deleted file mode 100644
index ce4ebc8110..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/SwapBytes64.S
+++ /dev/null
@@ -1,38 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CpuId.S
-#
-# Abstract:
-#
-#   AsmCpuid function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathSwapBytes64 (
-#   IN      UINT64                    Operand
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMathSwapBytes64)
-ASM_PFX(InternalMathSwapBytes64):
-    movl    8(%esp), %eax               # eax <- upper 32 bits
-    movl    4(%esp), %edx               # edx <- lower 32 bits
-    bswapl  %eax
-    bswapl  %edx
-    ret
diff --git a/MdePkg/Library/BaseLib/Ia32/Thunk16.S b/MdePkg/Library/BaseLib/Ia32/Thunk16.S
deleted file mode 100644
index 185655eecb..0000000000
--- a/MdePkg/Library/BaseLib/Ia32/Thunk16.S
+++ /dev/null
@@ -1,222 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   Thunk16.S
-#
-# Abstract:
-#
-#   Real mode thunk
-#
-#------------------------------------------------------------------------------
-
-#include <Library/BaseLib.h>
-
-ASM_GLOBAL ASM_PFX(m16Start), ASM_PFX(m16Size), ASM_PFX(mThunk16Attr), ASM_PFX(m16Gdt), ASM_PFX(m16GdtrBase), ASM_PFX(mTransition)
-ASM_GLOBAL ASM_PFX(InternalAsmThunk16)
-
-# define the structure of IA32_REGS
-.set  _EDI, 0       #size 4
-.set  _ESI, 4       #size 4
-.set  _EBP, 8       #size 4
-.set  _ESP, 12      #size 4
-.set  _EBX, 16      #size 4
-.set  _EDX, 20      #size 4
-.set  _ECX, 24      #size 4
-.set  _EAX, 28      #size 4
-.set  _DS,  32      #size 2
-.set  _ES,  34      #size 2
-.set  _FS,  36      #size 2
-.set  _GS,  38      #size 2
-.set  _EFLAGS, 40   #size 4
-.set  _EIP, 44      #size 4
-.set  _CS, 48       #size 2
-.set  _SS, 50       #size 2
-.set  IA32_REGS_SIZE, 52
-
-    .text
-    .code16
-
-ASM_PFX(m16Start):
-
-SavedGdt:     .space  6
-
-ASM_PFX(BackFromUserCode):
-    push    %ss
-    push    %cs
-
-    calll   L_Base1                     # push eip
-L_Base1:
-    pushfl
-    cli                                 # disable interrupts
-    push    %gs
-    push    %fs
-    push    %es
-    push    %ds
-    pushal
-    .byte   0x66, 0xba                  # mov edx, imm32
-ASM_PFX(ThunkAttr): .space  4
-    testb   $THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15, %dl
-    jz      1f
-    movw    $0x2401, %ax
-    int     $0x15
-    cli                                 # disable interrupts
-    jnc     2f
-1:
-    testb   $THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL, %dl
-    jz      2f
-    inb     $0x92, %al
-    orb     $2, %al
-    outb    %al, $0x92                  # deactivate A20M#
-2:
-    xorl    %eax, %eax
-    movw    %ss, %ax
-    leal    IA32_REGS_SIZE(%esp), %ebp
-    mov     %ebp, (_ESP - IA32_REGS_SIZE)(%bp)
-    mov     (_EIP - IA32_REGS_SIZE)(%bp), %bx
-    shll    $4, %eax
-    addl    %eax, %ebp
-    .byte   0x66, 0xb8                  # mov eax, imm32
-SavedCr4:   .space  4
-    movl    %eax, %cr4
-    lgdtl   %cs:(SavedGdt - L_Base1)(%bx)
-    .byte   0x66, 0xb8                  # mov eax, imm32
-SavedCr0:   .space  4
-    movl    %eax, %cr0
-    .byte   0xb8                        # mov ax, imm16
-SavedSs:    .space  2
-    movl    %eax, %ss
-    .byte   0x66, 0xbc                  # mov esp, imm32
-SavedEsp:   .space  4
-    lretl                               # return to protected mode
-
-_EntryPoint:    .long      ASM_PFX(ToUserCode) - ASM_PFX(m16Start)
-                .word      0x8
-_16Idtr:        .word      0x3ff
-                .long      0
-_16Gdtr:        .word      GdtEnd - _NullSegDesc - 1
-_16GdtrBase:    .long      _NullSegDesc
-
-ASM_PFX(ToUserCode):
-    movw    %ss, %dx
-    movw    %cx, %ss                    # set new segment selectors
-    movw    %cx, %ds
-    movw    %cx, %es
-    movw    %cx, %fs
-    movw    %cx, %gs
-    movl    %eax, %cr0                  # real mode starts at next instruction
-                                        #  which (per SDM) *must* be a far JMP.
-    ljmpw   $0,$0                       # will be filled in by InternalAsmThunk16
-L_Base:                                 #  to point here.
-    movl    %ebp, %cr4
-    movw    %si, %ss                    # set up 16-bit stack segment
-    xchgl   %ebx, %esp                  # set up 16-bit stack pointer
-
-    movw    IA32_REGS_SIZE(%esp), %bp   # get BackToUserCode address from stack
-    mov     %dx, %cs:(SavedSs - ASM_PFX(BackFromUserCode))(%bp)
-    mov     %ebx, %cs:(SavedEsp - ASM_PFX(BackFromUserCode))(%bp)
-    lidtl   %cs:(_16Idtr - ASM_PFX(BackFromUserCode))(%bp)
-    popal
-    pop     %ds
-    pop     %es
-    pop     %fs
-    pop     %gs
-    popfl
-    lretl                               # transfer control to user code
-
-_NullSegDesc:   .quad   0
-_16CsDesc:
-                .word   -1
-                .word   0
-                .byte   0
-                .byte   0x9b
-                .byte   0x8f            # 16-bit segment, 4GB limit
-                .byte   0
-_16DsDesc:
-                .word   -1
-                .word   0
-                .byte   0
-                .byte   0x93
-                .byte   0x8f            # 16-bit segment, 4GB limit
-                .byte   0
-GdtEnd:
-
-    .code32
-#
-#   @param  RegSet  The pointer to a IA32_DWORD_REGS structure
-#   @param  Transition  The pointer to the transition code
-#   @return The address of the 16-bit stack after returning from user code
-#
-ASM_PFX(InternalAsmThunk16):
-    push    %ebp
-    push    %ebx
-    push    %esi
-    push    %edi
-    push    %ds
-    push    %es
-    push    %fs
-    push    %gs
-    movl    36(%esp), %esi              # esi <- RegSet
-    movzwl  _SS(%esi), %edx
-    mov     _ESP(%esi), %edi
-    add     $(-(IA32_REGS_SIZE + 4)), %edi
-    movl    %edi, %ebx                  # ebx <- stack offset
-    imul    $0x10, %edx, %eax
-    push    $(IA32_REGS_SIZE / 4)
-    addl    %eax, %edi                  # edi <- linear address of 16-bit stack
-    pop     %ecx
-    rep
-    movsl                               # copy RegSet
-    movl    40(%esp), %eax              # eax <- address of transition code
-    movl    %edx, %esi                  # esi <- 16-bit stack segment
-    lea     (SavedCr0 - ASM_PFX(m16Start))(%eax), %edx
-    movl    %eax, %ecx
-    andl    $0xf, %ecx
-    shll    $12, %eax
-    lea     (ASM_PFX(BackFromUserCode) - ASM_PFX(m16Start))(%ecx), %ecx
-    movw    %cx, %ax
-    stosl                               # [edi] <- return address of user code
-    addl    $(L_Base - ASM_PFX(BackFromUserCode)), %eax
-    movl    %eax, (L_Base - SavedCr0 - 4)(%edx)
-    sgdtl   (SavedGdt - SavedCr0)(%edx)
-    sidtl   0x24(%esp)
-    movl    %cr0, %eax
-    movl    %eax, (%edx)                # save CR0 in SavedCr0
-    andl    $0x7ffffffe, %eax           # clear PE, PG bits
-    movl    %cr4, %ebp
-    mov     %ebp, (SavedCr4 - SavedCr0)(%edx)
-    andl    $0xffffffcf, %ebp           # clear PAE, PSE bits
-    pushl   $0x10
-    pop     %ecx                        # ecx <- selector for data segments
-    lgdtl   (_16Gdtr - SavedCr0)(%edx)
-    pushfl
-    lcall   *(_EntryPoint - SavedCr0)(%edx)
-    popfl
-    lidtl   0x24(%esp)
-    lea     -IA32_REGS_SIZE(%ebp), %eax
-    pop     %gs
-    pop     %fs
-    pop     %es
-    pop     %ds
-    pop     %edi
-    pop     %esi
-    pop     %ebx
-    pop     %ebp
-    ret
-
-    .const:
-
-ASM_PFX(m16Size):        .word      ASM_PFX(InternalAsmThunk16)  - ASM_PFX(m16Start)
-ASM_PFX(mThunk16Attr):   .word      ASM_PFX(ThunkAttr)          - ASM_PFX(m16Start)
-ASM_PFX(m16Gdt):         .word      _NullSegDesc        - ASM_PFX(m16Start)
-ASM_PFX(m16GdtrBase):    .word      _16GdtrBase         - ASM_PFX(m16Start)
-ASM_PFX(mTransition):    .word      _EntryPoint         - ASM_PFX(m16Start)
diff --git a/MdePkg/Library/BaseLib/X64/CpuId.S b/MdePkg/Library/BaseLib/X64/CpuId.S
deleted file mode 100644
index c3d2597205..0000000000
--- a/MdePkg/Library/BaseLib/X64/CpuId.S
+++ /dev/null
@@ -1,60 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CpuId.S
-#
-# Abstract:
-#
-#   AsmCpuid function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-#  VOID
-#  EFIAPI
-#  AsmCpuid (
-#    IN   UINT32  RegisterInEax,
-#    OUT  UINT32  *RegisterOutEax  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEbx  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEcx  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEdx  OPTIONAL
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmCpuid)
-ASM_PFX(AsmCpuid):
-    push    %rbx
-    mov     %ecx, %eax
-    push    %rax                         # save Index on stack
-    push    %rdx
-    cpuid
-    test    %r9, %r9
-    jz      L1
-    mov     %ecx, (%r9)
-L1:
-    pop     %rcx
-    jrcxz   L2
-    mov     %eax, (%rcx)
-L2:
-    mov     %r8, %rcx
-    jrcxz   L3
-    mov     %ebx, (%rcx)
-L3:
-    mov     0x38(%rsp), %rcx
-    jrcxz   L4
-    mov     %edx, (%rcx)
-L4:
-    pop     %rax                         # restore Index to rax as return value
-    pop     %rbx
-    ret
diff --git a/MdePkg/Library/BaseLib/X64/CpuIdEx.S b/MdePkg/Library/BaseLib/X64/CpuIdEx.S
deleted file mode 100644
index 0bc2540011..0000000000
--- a/MdePkg/Library/BaseLib/X64/CpuIdEx.S
+++ /dev/null
@@ -1,62 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CpuIdEx.S
-#
-# Abstract:
-#
-#   AsmCpuidEx function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-#  UINT32
-#  EFIAPI
-#  AsmCpuidEx (
-#    IN   UINT32  RegisterInEax,
-#    IN   UINT32  RegisterInEcx,
-#    OUT  UINT32  *RegisterOutEax  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEbx  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEcx  OPTIONAL,
-#    OUT  UINT32  *RegisterOutEdx  OPTIONAL
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmCpuidEx)
-ASM_PFX(AsmCpuidEx):
-    push    %rbx
-    movl    %ecx,%eax
-    movl    %edx,%ecx
-    push    %rax                  # save Index on stack
-    cpuid
-    mov     0x38(%rsp), %r10
-    test    %r10, %r10
-    jz      L1
-    mov     %ecx,(%r10)
-L1:
-    mov     %r8, %rcx
-    jrcxz   L2
-    movl    %eax,(%rcx)
-L2:
-    mov     %r9, %rcx
-    jrcxz   L3
-    mov     %ebx, (%rcx)
-L3:
-    mov     0x40(%rsp), %rcx
-    jrcxz   L4
-    mov     %edx, (%rcx)
-L4:
-    pop     %rax                  # restore Index to rax as return value
-    pop     %rbx
-    ret
diff --git a/MdePkg/Library/BaseLib/X64/DisableCache.S b/MdePkg/Library/BaseLib/X64/DisableCache.S
deleted file mode 100644
index 970f2f3618..0000000000
--- a/MdePkg/Library/BaseLib/X64/DisableCache.S
+++ /dev/null
@@ -1,39 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   DisableCache.S
-#
-# Abstract:
-#
-#   Set the CD bit of CR0 to 1, clear the NW bit of CR0 to 0, and flush all caches with a
-#   WBINVD instruction.
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# AsmDisableCache (
-#   VOID
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmDisableCache)
-ASM_PFX(AsmDisableCache):
-    movq    %cr0, %rax
-    btsq    $30, %rax
-    btrq    $29, %rax
-    movq    %rax, %cr0
-    wbinvd
-    ret
diff --git a/MdePkg/Library/BaseLib/X64/DisablePaging64.S b/MdePkg/Library/BaseLib/X64/DisablePaging64.S
deleted file mode 100644
index 220a59127b..0000000000
--- a/MdePkg/Library/BaseLib/X64/DisablePaging64.S
+++ /dev/null
@@ -1,82 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   DisablePaging64.S
-#
-# Abstract:
-#
-#   AsmDisablePaging64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# InternalX86DisablePaging64 (
-#   IN      UINT16                    Cs,
-#   IN      UINT32                    EntryPoint,
-#   IN      UINT32                    Context1,  OPTIONAL
-#   IN      UINT32                    Context2,  OPTIONAL
-#   IN      UINT32                    NewStack
-#   );
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalX86DisablePaging64)
-ASM_PFX(InternalX86DisablePaging64):
-    cli
-    lea    L1(%rip), %rsi                 # rsi <- The start address of transition code
-    mov    0x28(%rsp), %edi               # rdi <- New stack
-    lea    _mTransitionEnd(%rip), %rax    # rax <- end of transition code
-    sub    %rsi, %rax                     # rax <- The size of transition piece code
-    add    $4, %rax                       # round rax up to the next 4 byte boundary
-    and    $0xfc, %al
-    sub    %rax, %rdi                     # rdi <- use stack to hold transition code
-    mov    %edi, %r10d                    # r10 <- The start address of transicition code below 4G
-    push   %rcx                           # save rcx to stack
-    mov    %rax, %rcx                     # rcx <- The size of transition piece code
-    rep
-    movsb                                 # copy transition code to (new stack - 64byte) below 4G
-    pop    %rcx                           # restore rcx
-
-    mov    %r8d, %esi
-    mov    %r9d, %edi
-    mov    %r10d, %eax
-    sub    $4, %eax
-    push   %rcx                           # push Cs to stack
-    push   %r10                           # push address of transition code on stack
-    .byte  0x48, 0xcb                     # retq: Use far return to load CS register from stack
-                                          # (Use raw byte code since some GNU assemblers generates incorrect code for "retq")
-L1:
-    mov    %eax,%esp                      # set up new stack
-    mov    %cr0,%rax
-    btr    $0x1f,%eax                     # clear CR0.PG
-    mov    %rax,%cr0                      # disable paging
-
-    mov    %edx,%ebx                      # save EntryPoint to ebx, for rdmsr will overwrite edx
-    mov    $0xc0000080,%ecx
-    rdmsr
-    and    $0xfe,%ah                      # clear LME
-    wrmsr
-    mov    %cr4,%rax
-    and    $0xdf,%al                      # clear PAE
-    mov    %rax,%cr4
-    push   %rdi                           # push Context2
-    push   %rsi                           # push Context1
-    callq  *%rbx                          # transfer control to EntryPoint
-    jmp    .                              # no one should get here
-
-_mTransitionEnd :
diff --git a/MdePkg/Library/BaseLib/X64/EnableCache.S b/MdePkg/Library/BaseLib/X64/EnableCache.S
deleted file mode 100644
index 9f01f3d793..0000000000
--- a/MdePkg/Library/BaseLib/X64/EnableCache.S
+++ /dev/null
@@ -1,39 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   EnableCache.S
-#
-# Abstract:
-#
-#   Flush all caches with a WBINVD instruction, clear the CD bit of CR0 to 0, and clear
-#   the NW bit of CR0 to 0
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# AsmEnableCache (
-#   VOID
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(AsmEnableCache)
-ASM_PFX(AsmEnableCache):
-    wbinvd
-    movq    %cr0, %rax
-    btrq    $30, %rax
-    btrq    $29, %rax
-    movq    %rax, %cr0
-    ret
diff --git a/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S b/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S
deleted file mode 100644
index f2ff61ecfd..0000000000
--- a/MdePkg/Library/BaseLib/X64/EnableDisableInterrupts.S
+++ /dev/null
@@ -1,36 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   EnableDisableInterrupts.S
-#
-# Abstract:
-#
-#   EnableDisableInterrupts function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# EnableDisableInterrupts (
-#   VOID
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(EnableDisableInterrupts)
-ASM_PFX(EnableDisableInterrupts):
-    sti
-    cli
-    ret
diff --git a/MdePkg/Library/BaseLib/X64/LongJump.S b/MdePkg/Library/BaseLib/X64/LongJump.S
deleted file mode 100644
index 5256529f06..0000000000
--- a/MdePkg/Library/BaseLib/X64/LongJump.S
+++ /dev/null
@@ -1,54 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   LongJump.S
-#
-# Abstract:
-#
-#   Implementation of _LongJump() on x64.
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-# VOID
-# EFIAPI
-# InternalLongJump (
-#   IN      BASE_LIBRARY_JUMP_BUFFER  *JumpBuffer,
-#   IN      UINTN                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalLongJump)
-ASM_PFX(InternalLongJump):
-    mov     (%rcx), %rbx
-    mov     0x8(%rcx), %rsp
-    mov     0x10(%rcx), %rbp
-    mov     0x18(%rcx), %rdi
-    mov     0x20(%rcx), %rsi
-    mov     0x28(%rcx), %r12
-    mov     0x30(%rcx), %r13
-    mov     0x38(%rcx), %r14
-    mov     0x40(%rcx), %r15
-    # load non-volatile fp registers
-    ldmxcsr 0x50(%rcx)
-    movdqu  0x58(%rcx), %xmm6
-    movdqu  0x68(%rcx), %xmm7
-    movdqu  0x78(%rcx), %xmm8
-    movdqu  0x88(%rcx), %xmm9
-    movdqu  0x98(%rcx), %xmm10
-    movdqu  0xA8(%rcx), %xmm11
-    movdqu  0xB8(%rcx), %xmm12
-    movdqu  0xC8(%rcx), %xmm13
-    movdqu  0xD8(%rcx), %xmm14
-    movdqu  0xE8(%rcx), %xmm15
-    mov     %rdx, %rax          # set return value
-    jmp     *0x48(%rcx)
diff --git a/MdePkg/Library/BaseLib/X64/RdRand.S b/MdePkg/Library/BaseLib/X64/RdRand.S
deleted file mode 100644
index 55724c0868..0000000000
--- a/MdePkg/Library/BaseLib/X64/RdRand.S
+++ /dev/null
@@ -1,72 +0,0 @@
-#------------------------------------------------------------------------------ ;
-# Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   RdRand.S
-#
-# Abstract:
-#
-#   Generates random number through CPU RdRand instruction under 64-bit platform.
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-//------------------------------------------------------------------------------
-//  Generates a 16 bit random number through RDRAND instruction.
-//  Return TRUE if Rand generated successfully, or FALSE if not.
-//
-//  BOOLEAN EFIAPI InternalX86RdRand16 (UINT16 *Rand);
-//------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalX86RdRand16)
-ASM_PFX(InternalX86RdRand16):
-    .byte  0x0f, 0xc7, 0xf0        // rdrand r16: "0f c7 /6  ModRM:r/m(w)"
-    jc     rn16_ok                 // jmp if CF=1
-    xor    %rax, %rax              // reg=0 if CF=0
-    ret                            // return with failure status
-rn16_ok:
-    mov    %ax, (%rcx)
-    mov    $0x1, %rax
-    ret
-
-//------------------------------------------------------------------------------
-//  Generates a 32 bit random number through RDRAND instruction.
-//  Return TRUE if Rand generated successfully, or FALSE if not.
-//
-//  BOOLEAN EFIAPI InternalX86RdRand32 (UINT32 *Rand);
-//------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalX86RdRand32)
-ASM_PFX(InternalX86RdRand32):
-    .byte  0x0f, 0xc7, 0xf0        // rdrand r32: "0f c7 /6  ModRM:r/m(w)"
-    jc     rn32_ok                 // jmp if CF=1
-    xor    %rax, %rax              // reg=0 if CF=0
-    ret                            // return with failure status
-rn32_ok:
-    mov    %eax, (%rcx)
-    mov    $0x1, %rax
-    ret
-
-//------------------------------------------------------------------------------
-//  Generates a 64 bit random number through RDRAND instruction.
-//  Return TRUE if Rand generated successfully, or FALSE if not.
-//
-//  BOOLEAN EFIAPI InternalX86RdRand64 (UINT64 *Rand);
-//------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalX86RdRand64)
-ASM_PFX(InternalX86RdRand64):
-    .byte  0x48, 0x0f, 0xc7, 0xf0  // rdrand r64: "REX.W + 0f c7 /6 ModRM:r/m(w)"
-    jc     rn64_ok                 // jmp if CF=1
-    xor    %rax, %rax              // reg=0 if CF=0
-    ret                            // return with failure status
-rn64_ok:
-    mov    %rax, (%rcx)
-    mov    $0x1, %rax
-    ret
diff --git a/MdePkg/Library/BaseLib/X64/SetJump.S b/MdePkg/Library/BaseLib/X64/SetJump.S
deleted file mode 100644
index 582f671681..0000000000
--- a/MdePkg/Library/BaseLib/X64/SetJump.S
+++ /dev/null
@@ -1,53 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetJump.S
-#
-# Abstract:
-#
-#   Implementation of SetJump() on x86_64
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(SetJump)
-ASM_PFX(SetJump):
-    push   %rcx
-    add    $0xffffffffffffffe0,%rsp
-    call   ASM_PFX(InternalAssertJumpBuffer)
-    add    $0x20,%rsp
-    pop    %rcx
-    pop    %rdx
-    mov    %rbx,(%rcx)
-    mov    %rsp,0x8(%rcx)
-    mov    %rbp,0x10(%rcx)
-    mov    %rdi,0x18(%rcx)
-    mov    %rsi,0x20(%rcx)
-    mov    %r12,0x28(%rcx)
-    mov    %r13,0x30(%rcx)
-    mov    %r14,0x38(%rcx)
-    mov    %r15,0x40(%rcx)
-    mov    %rdx,0x48(%rcx)
-    # save non-volatile fp registers
-    stmxcsr 0x50(%rcx)
-    movdqu  %xmm6, 0x58(%rcx)
-    movdqu  %xmm7, 0x68(%rcx)
-    movdqu  %xmm8, 0x78(%rcx)
-    movdqu  %xmm9, 0x88(%rcx)
-    movdqu  %xmm10, 0x98(%rcx)
-    movdqu  %xmm11, 0xA8(%rcx)
-    movdqu  %xmm12, 0xB8(%rcx)
-    movdqu  %xmm13, 0xC8(%rcx)
-    movdqu  %xmm14, 0xD8(%rcx)
-    movdqu  %xmm15, 0xE8(%rcx)
-    xor    %rax,%rax
-    jmpq   *%rdx
diff --git a/MdePkg/Library/BaseLib/X64/SwitchStack.S b/MdePkg/Library/BaseLib/X64/SwitchStack.S
deleted file mode 100644
index 5ce2612a7b..0000000000
--- a/MdePkg/Library/BaseLib/X64/SwitchStack.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SwitchStack.S
-#
-# Abstract:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# Routine Description:
-#
-#   Routine for switching stacks with 2 parameters
-#
-# Arguments:
-#
-#   (rcx) EntryPoint    - Entry point with new stack.
-#   (rdx) Context1      - Parameter1 for entry point.
-#   (r8)  Context2      - Parameter2 for entry point.
-#   (r9)  NewStack      - The pointer to new stack.
-#
-# Returns:
-#
-#   None
-#
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalSwitchStack)
-ASM_PFX(InternalSwitchStack):
-    pushq   %rbp
-    movq    %rsp, %rbp
-
-    mov     %rcx, %rax  // Shift registers for new call
-    mov     %rdx, %rcx
-    mov     %r8, %rdx
-    #
-    # Reserve space for register parameters (rcx, rdx, r8 & r9) on the stack,
-    # in case the callee wishes to spill them.
-    #
-    lea     -0x20(%r9), %rsp
-    pushq   $0        // stop gdb stack unwind
-    jmp     *%rax     // call EntryPoint ()
diff --git a/MdePkg/Library/BaseLib/X64/Thunk16.S b/MdePkg/Library/BaseLib/X64/Thunk16.S
deleted file mode 100644
index fd03b97b56..0000000000
--- a/MdePkg/Library/BaseLib/X64/Thunk16.S
+++ /dev/null
@@ -1,334 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   Thunk16.S
-#
-# Abstract:
-#
-#   Real mode thunk
-#
-#------------------------------------------------------------------------------
-
-#include <Library/BaseLib.h>
-
-ASM_GLOBAL ASM_PFX(m16Start)
-ASM_GLOBAL ASM_PFX(m16Size)
-ASM_GLOBAL ASM_PFX(mThunk16Attr)
-ASM_GLOBAL ASM_PFX(m16Gdt)
-ASM_GLOBAL ASM_PFX(m16GdtrBase)
-ASM_GLOBAL ASM_PFX(mTransition)
-ASM_GLOBAL ASM_PFX(InternalAsmThunk16)
-
-# define the structure of IA32_REGS
-.set  _EDI, 0       #size 4
-.set  _ESI, 4       #size 4
-.set  _EBP, 8       #size 4
-.set  _ESP, 12      #size 4
-.set  _EBX, 16      #size 4
-.set  _EDX, 20      #size 4
-.set  _ECX, 24      #size 4
-.set  _EAX, 28      #size 4
-.set  _DS,  32      #size 2
-.set  _ES,  34      #size 2
-.set  _FS,  36      #size 2
-.set  _GS,  38      #size 2
-.set  _EFLAGS, 40   #size 8
-.set  _EIP, 48      #size 4
-.set  _CS, 52       #size 2
-.set  _SS, 54       #size 2
-.set  IA32_REGS_SIZE, 56
-
-    .data
-
-.set Lm16Size, ASM_PFX(InternalAsmThunk16) - ASM_PFX(m16Start)
-ASM_PFX(m16Size):         .word      Lm16Size
-.set  LmThunk16Attr, L_ThunkAttr - ASM_PFX(m16Start)
-ASM_PFX(mThunk16Attr):    .word      LmThunk16Attr
-.set Lm16Gdt, ASM_PFX(NullSeg) - ASM_PFX(m16Start)
-ASM_PFX(m16Gdt):          .word      Lm16Gdt
-.set Lm16GdtrBase, _16GdtrBase - ASM_PFX(m16Start)
-ASM_PFX(m16GdtrBase):     .word      Lm16GdtrBase
-.set LmTransition, _EntryPoint - ASM_PFX(m16Start)
-ASM_PFX(mTransition):     .word      LmTransition
-
-    .text
-
-ASM_PFX(m16Start):
-
-SavedGdt:    .space 10
-
-#------------------------------------------------------------------------------
-# _BackFromUserCode() takes control in real mode after 'retf' has been executed
-# by user code. It will be shadowed to somewhere in memory below 1MB.
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(BackFromUserCode)
-ASM_PFX(BackFromUserCode):
-    #
-    # The order of saved registers on the stack matches the order they appears
-    # in IA32_REGS structure. This facilitates wrapper function to extract them
-    # into that structure.
-    #
-    # Some instructions for manipulation of segment registers have to be written
-    # in opcode since 64-bit MASM prevents accesses to those registers.
-    #
-    .byte 0x16                          # push ss
-    .byte 0xe                           # push cs
-    .byte 0x66
-    call    L_Base                       # push eip
-L_Base:
-    .byte 0x66
-    pushq   $0                          # reserved high order 32 bits of EFlags
-    .byte 0x66, 0x9c                    # pushfd actually
-    cli                                 # disable interrupts
-    push    %gs
-    push    %fs
-    .byte 6                             # push es
-    .byte 0x1e                          # push ds
-    .byte 0x66,0x60                     # pushad
-    .byte 0x66,0xba                     # mov edx, imm32
-L_ThunkAttr:  .space  4
-    testb   $THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15, %dl
-    jz      L_1
-    movl    $0x15cd2401,%eax            # mov ax, 2401h & int 15h
-    cli                                 # disable interrupts
-    jnc     L_2
-L_1:
-    testb   $THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL, %dl
-    jz      L_2
-    inb     $0x92,%al
-    orb     $2,%al
-    outb    %al, $0x92                   # deactivate A20M#
-L_2:
-    xorw    %ax, %ax                     # xor eax, eax
-    movl    %ss, %eax                    # mov ax, ss
-    lea     IA32_REGS_SIZE(%esp), %bp
-    #
-    # rsi in the following 2 instructions is indeed bp in 16-bit code
-    #
-    movw    %bp, (_ESP - IA32_REGS_SIZE)(%rsi)
-    .byte 0x66
-    movl    (_EIP - IA32_REGS_SIZE)(%rsi), %ebx
-    shlw    $4,%ax                      # shl eax, 4
-    addw    %ax,%bp                     # add ebp, eax
-    movw    %cs,%ax
-    shlw    $4,%ax
-    lea     (L_64BitCode - L_Base)(%ebx, %eax), %ax
-    .byte 0x66,0x2e,0x89,0x87           # mov cs:[bx + (L_64Eip - L_Base)], eax
-    .word   L_64Eip - L_Base
-    .byte 0x66,0xb8                     # mov eax, imm32
-L_SavedCr4: .space      4
-    movq    %rax, %cr4
-    #
-    # rdi in the instruction below is indeed bx in 16-bit code
-    #
-    .byte 0x66,0x2e                     # 2eh is "cs:" segment override
-    lgdt    (SavedGdt - L_Base)(%rdi)
-    .byte 0x66
-    movl    $0xc0000080,%ecx
-    rdmsr
-    orb     $1,%ah
-    wrmsr
-    .byte 0x66,0xb8                     # mov eax, imm32
-L_SavedCr0: .space      4
-    movq    %rax, %cr0
-    .byte 0x66,0xea                     # jmp far cs:L_64Bit
-L_64Eip:    .space      4
-L_SavedCs:  .space      2
-L_64BitCode:
-    .byte   0x90
-    .byte   0x48,0xbc                  # mov rsp, imm64
-L_SavedSp:  .space      8              # restore stack
-    nop
-    ret
-
-_EntryPoint: .long      ASM_PFX(ToUserCode) - ASM_PFX(m16Start)
-             .word      CODE16
-_16Gdtr:     .word      GDT_SIZE - 1
-_16GdtrBase: .quad      0
-_16Idtr:     .word      0x3ff
-             .long      0
-
-#------------------------------------------------------------------------------
-# _ToUserCode() takes control in real mode before passing control to user code.
-# It will be shadowed to somewhere in memory below 1MB.
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(ToUserCode)
-ASM_PFX(ToUserCode):
-    movl    %edx,%ss                    # set new segment selectors
-    movl    %edx,%ds
-    movl    %edx,%es
-    movl    %edx,%fs
-    movl    %edx,%gs
-    .byte 0x66
-    movl    $0xc0000080,%ecx
-    movq    %rax, %cr0
-    rdmsr
-    andb    $0xfe, %ah                  # $0b11111110
-    wrmsr
-    movq    %rbp, %cr4
-    movl    %esi,%ss                    # set up 16-bit stack segment
-    movw    %bx,%sp                     # set up 16-bit stack pointer
-    .byte 0x66                          # make the following call 32-bit
-    call    L_Base1                       # push eip
-L_Base1:
-    popw    %bp                         # ebp <- address of L_Base1
-    pushq   (IA32_REGS_SIZE + 2)(%esp)
-    lea     0x0c(%rsi), %eax
-    pushq   %rax
-    lret                                # execution begins at next instruction
-L_RealMode:
-    .byte 0x66,0x2e                     # CS and operand size override
-    lidt    (_16Idtr - L_Base1)(%rsi)
-    .byte 0x66,0x61                     # popad
-    .byte 0x1f                          # pop ds
-    .byte 0x7                           # pop es
-    .byte 0x0f, 0xa1                    # pop fs
-    .byte 0x0f, 0xa9                    # pop gs
-    .byte 0x66, 0x9d                    # popfd
-    leaw    4(%esp),%sp                 # skip high order 32 bits of EFlags
-    .byte 0x66                          # make the following retf 32-bit
-    lret                                # transfer control to user code
-
-.set  CODE16,  ASM_PFX(_16Code) - .
-.set  DATA16,  ASM_PFX(_16Data) - .
-.set  DATA32,  ASM_PFX(_32Data) - .
-
-ASM_PFX(NullSeg):   .quad      0
-ASM_PFX(_16Code):
-            .word -1
-            .word 0
-            .byte 0
-            .byte 0x9b
-            .byte 0x8f                  # 16-bit segment, 4GB limit
-            .byte 0
-ASM_PFX(_16Data):
-            .word -1
-            .word 0
-            .byte 0
-            .byte 0x93
-            .byte 0x8f                  # 16-bit segment, 4GB limit
-            .byte 0
-ASM_PFX(_32Data):
-            .word -1
-            .word 0
-            .byte 0
-            .byte 0x93
-            .byte 0xcf                  # 16-bit segment, 4GB limit
-            .byte 0
-
-.set  GDT_SIZE, . - ASM_PFX(NullSeg)
-
-#------------------------------------------------------------------------------
-# IA32_REGISTER_SET *
-# EFIAPI
-# InternalAsmThunk16 (
-#   IN      IA32_REGISTER_SET         *RegisterSet,
-#   IN OUT  VOID                      *Transition
-#   );
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalAsmThunk16)
-ASM_PFX(InternalAsmThunk16):
-    pushq   %rbp
-    pushq   %rbx
-    pushq   %rsi
-    pushq   %rdi
-
-    movl    %ds, %ebx
-    pushq   %rbx      # Save ds segment register on the stack
-    movl    %es, %ebx
-    pushq   %rbx      # Save es segment register on the stack
-    movl    %ss, %ebx
-    pushq   %rbx      # Save ss segment register on the stack
-
-    .byte   0x0f, 0xa0                  #push   fs
-    .byte   0x0f, 0xa8                  #push   gs
-    movq    %rcx, %rsi
-    movzwl  _SS(%rsi), %r8d
-    movl    _ESP(%rsi), %edi
-    lea     -(IA32_REGS_SIZE + 4)(%edi), %rdi
-    imul    $16, %r8d, %eax
-    movl    %edi,%ebx                   # ebx <- stack for 16-bit code
-    pushq   $(IA32_REGS_SIZE / 4)
-    addl    %eax,%edi                   # edi <- linear address of 16-bit stack
-    popq    %rcx
-    rep
-    movsl                               # copy RegSet
-    lea     (L_SavedCr4 - ASM_PFX(m16Start))(%rdx), %ecx
-    movl    %edx,%eax                   # eax <- transition code address
-    andl    $0xf,%edx
-    shll    $12,%eax                    # segment address in high order 16 bits
-    .set LBackFromUserCodeDelta, ASM_PFX(BackFromUserCode) - ASM_PFX(m16Start)
-    lea     (LBackFromUserCodeDelta)(%rdx), %ax
-    stosl                               # [edi] <- return address of user code
-    sgdt    0x60(%rsp)                  # save GDT stack in argument space
-    movzwq  0x60(%rsp), %r10            # r10 <- GDT limit
-    lea     ((ASM_PFX(InternalAsmThunk16) - L_SavedCr4) + 0xf)(%rcx), %r11
-    andq    $0xfffffffffffffff0, %r11   # r11 <- 16-byte aligned shadowed GDT table in real mode buffer
-
-    movw    %r10w, (SavedGdt - L_SavedCr4)(%rcx)       # save the limit of shadowed GDT table
-    movq    %r11, (SavedGdt - L_SavedCr4 + 0x2)(%rcx)  # save the base address of shadowed GDT table
-
-    movq    0x62(%rsp) ,%rsi            # rsi <- the original GDT base address
-    xchg   %r10, %rcx                   # save rcx to r10 and initialize rcx to be the limit of GDT table
-    incq   %rcx                         # rcx <- the size of memory to copy
-    xchg   %r11, %rdi                   # save rdi to r11 and initialize rdi to the base address of shadowed GDT table
-    rep
-    movsb                               # perform memory copy to shadow GDT table
-    movq   %r10, %rcx                   # restore the orignal rcx before memory copy
-    movq   %r11, %rdi                   # restore the original rdi before memory copy
-
-    sidt    0x50(%rsp)
-    movq    %cr0, %rax
-    .set LSavedCrDelta, L_SavedCr0 - L_SavedCr4
-    movl    %eax, (LSavedCrDelta)(%rcx)
-    andl    $0x7ffffffe,%eax            # clear PE, PG bits
-    movq    %cr4, %rbp
-    movl    %ebp, (%rcx)                # save CR4 in SavedCr4
-    andl    $0xffffffcf,%ebp            # clear PAE, PSE bits
-    movl    %r8d, %esi                  # esi <- 16-bit stack segment
-    .byte      0x6a, DATA32
-    popq    %rdx
-    lgdt    (_16Gdtr - L_SavedCr4)(%rcx)
-    movl    %edx,%ss
-    pushfq
-    lea     -8(%rdx), %edx
-    lea     L_RetFromRealMode(%rip), %r8
-    pushq   %r8
-    movl    %cs, %r8d
-    movw    %r8w, (L_SavedCs - L_SavedCr4)(%rcx)
-    movq    %rsp, (L_SavedSp - L_SavedCr4)(%rcx)
-    .byte   0xff, 0x69                  #  jmp (_EntryPoint - L_SavedCr4)(%rcx)
-    .set    Ltemp1, _EntryPoint - L_SavedCr4
-    .byte   Ltemp1
-L_RetFromRealMode:
-    popfq
-    lgdt    0x60(%rsp)                  # restore protected mode GDTR
-    lidt    0x50(%rsp)                  # restore protected mode IDTR
-    lea     -IA32_REGS_SIZE(%rbp), %eax
-    .byte 0x0f, 0xa9                    # pop gs
-    .byte 0x0f, 0xa1                    # pop fs
-
-    popq     %rbx
-    movl     %ebx, %ss
-    popq     %rbx
-    movl     %ebx, %es
-    popq     %rbx
-    movl     %ebx, %ds
-
-    popq    %rdi
-    popq    %rsi
-    popq    %rbx
-    popq    %rbp
-
-    ret
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* [PATCH v2 06/10] MdePkg/BaseMemoryLibMmx: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
                   ` (4 preceding siblings ...)
  2019-03-19  6:59 ` [PATCH v2 05/10] MdePkg/BaseLib: " Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 07/10] MdePkg/BaseMemoryLibOptDxe: " Shenglei Zhang
                   ` (3 subsequent siblings)
  9 siblings, 0 replies; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 .../BaseMemoryLibMmx/BaseMemoryLibMmx.inf     | 22 -----
 .../BaseMemoryLibMmx/Ia32/CompareMem.S        | 55 ------------
 .../Library/BaseMemoryLibMmx/Ia32/CopyMem.S   | 86 -------------------
 .../Library/BaseMemoryLibMmx/Ia32/ScanMem16.S | 52 -----------
 .../Library/BaseMemoryLibMmx/Ia32/ScanMem32.S | 52 -----------
 .../Library/BaseMemoryLibMmx/Ia32/ScanMem64.S | 61 -------------
 .../Library/BaseMemoryLibMmx/Ia32/ScanMem8.S  | 52 -----------
 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S | 66 --------------
 .../Library/BaseMemoryLibMmx/Ia32/SetMem16.S  | 59 -------------
 .../Library/BaseMemoryLibMmx/Ia32/SetMem32.S  | 52 -----------
 .../Library/BaseMemoryLibMmx/Ia32/SetMem64.S  | 43 ----------
 .../Library/BaseMemoryLibMmx/Ia32/ZeroMem.S   | 54 ------------
 .../Library/BaseMemoryLibMmx/X64/CompareMem.S | 59 -------------
 MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S | 74 ----------------
 .../Library/BaseMemoryLibMmx/X64/ScanMem16.S  | 56 ------------
 .../Library/BaseMemoryLibMmx/X64/ScanMem32.S  | 56 ------------
 .../Library/BaseMemoryLibMmx/X64/ScanMem64.S  | 55 ------------
 .../Library/BaseMemoryLibMmx/X64/ScanMem8.S   | 56 ------------
 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.S  | 61 -------------
 .../Library/BaseMemoryLibMmx/X64/SetMem16.S   | 60 -------------
 .../Library/BaseMemoryLibMmx/X64/SetMem32.S   | 55 ------------
 .../Library/BaseMemoryLibMmx/X64/SetMem64.S   | 47 ----------
 MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S | 57 ------------
 23 files changed, 1290 deletions(-)
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S

diff --git a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf
index d17fcf24b6..9a073d1cd9 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf
+++ b/MdePkg/Library/BaseMemoryLibMmx/BaseMemoryLibMmx.inf
@@ -52,27 +52,16 @@
 
 [Sources.Ia32]
   Ia32/ScanMem64.nasm
-  Ia32/ScanMem64.S
   Ia32/ScanMem32.nasm
-  Ia32/ScanMem32.S
   Ia32/ScanMem16.nasm
-  Ia32/ScanMem16.S
   Ia32/ScanMem8.nasm
-  Ia32/ScanMem8.S
   Ia32/CompareMem.nasm
-  Ia32/CompareMem.S
   Ia32/SetMem64.nasm
-  Ia32/SetMem64.S
   Ia32/SetMem32.nasm
-  Ia32/SetMem32.S
   Ia32/SetMem16.nasm
-  Ia32/SetMem16.S
   Ia32/ZeroMem.nasm
-  Ia32/ZeroMem.S
   Ia32/SetMem.nasm
-  Ia32/SetMem.S
   Ia32/CopyMem.nasm
-  Ia32/CopyMem.S
   Ia32/ScanMem64.nasm
   Ia32/ScanMem32.nasm
   Ia32/ScanMem16.nasm
@@ -99,27 +88,16 @@
   X64/SetMem.nasm
   X64/CopyMem.nasm
   X64/ScanMem64.nasm
-  X64/ScanMem64.S
   X64/ScanMem32.nasm
-  X64/ScanMem32.S
   X64/ScanMem16.nasm
-  X64/ScanMem16.S
   X64/ScanMem8.nasm
-  X64/ScanMem8.S
   X64/CompareMem.nasm
-  X64/CompareMem.S
   X64/SetMem64.nasm
-  X64/SetMem64.S
   X64/SetMem32.nasm
-  X64/SetMem32.S
   X64/SetMem16.nasm
-  X64/SetMem16.S
   X64/ZeroMem.nasm
-  X64/ZeroMem.S
   X64/SetMem.nasm
-  X64/SetMem.S
   X64/CopyMem.nasm
-  X64/CopyMem.S
   X64/IsZeroBuffer.nasm
 
 
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.S
deleted file mode 100644
index b509586adb..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/CompareMem.S
+++ /dev/null
@@ -1,55 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.Asm
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID                *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCompareMem):
-    push    %esi
-    push    %edi
-    movl    12(%esp), %esi
-    movl    16(%esp), %edi
-    movl    20(%esp), %ecx
-    repe    cmpsb
-    movzbl  -1(%esi), %eax
-    movzbl  -1(%edi), %edx
-    subl    %edx, %eax
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.S
deleted file mode 100644
index b934ff5ae2..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/CopyMem.S
+++ /dev/null
@@ -1,86 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.asm
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCopyMem):
-    push    %esi
-    push    %edi
-    movl    16(%esp), %esi              # esi <- Source
-    movl    12(%esp), %edi              # edi <- Destination
-    movl    20(%esp), %edx              # edx <- Count
-    leal    -1(%esi,%edx,), %eax        # eax <- End of Source
-    cmpl    %edi, %esi
-    jae     L0
-    cmpl    %edi, %eax                  # Overlapped?
-    jae     L_CopyBackward              # Copy backward if overlapped
-L0:
-    xorl    %ecx, %ecx
-    subl    %esi, %ecx
-    andl    $7, %ecx                    # ecx + esi aligns on 8-byte boundary
-    jz      L1
-    cmpl    %edx, %ecx
-    cmova   %edx, %ecx
-    subl    %ecx, %edx                  # edx <- remaining bytes to copy
-    rep
-    movsb
-L1:
-    movl    %edx, %ecx
-    andl    $7, %edx
-    shrl    $3, %ecx                    # ecx <- # of Qwords to copy
-    jz      L_CopyBytes
-    pushl   %eax
-    pushl   %eax
-    movq    %mm0, (%esp)                # save mm0
-L2:
-    movq    (%esi), %mm0
-    movq    %mm0, (%edi)
-    addl    $8, %esi
-    addl    $8, %edi
-    loop    L2
-    movq    (%esp), %mm0                # restore mm0
-    popl    %ecx                        # stack cleanup
-    popl    %ecx                        # stack cleanup
-    jmp     L_CopyBytes
-L_CopyBackward:
-    movl    %eax, %esi                  # esi <- Last byte in Source
-    leal    -1(%edi,%edx,), %edi        # edi <- Last byte in Destination
-    std
-L_CopyBytes:
-    movl    %edx, %ecx
-    rep
-    movsb
-    cld
-    movl    12(%esp), %eax
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S
deleted file mode 100644
index e247d4ad09..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem16.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.Asm
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem16):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasw
-    leal    -2(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S
deleted file mode 100644
index 066fde42ce..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem32.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.Asm
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem32):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasl
-    leal    -4(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S
deleted file mode 100644
index b3435d7fc3..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem64.S
+++ /dev/null
@@ -1,61 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.Asm
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem64):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    16(%esp), %eax
-    movl    20(%esp), %edx
-    movl    8(%esp), %edi
-L0:
-    cmpl    (%edi), %eax
-    leal    8(%edi), %edi
-    loopne  L0
-    jne     L1
-    cmpl    -4(%edi), %edx
-    jecxz   L1
-    jne     L0
-L1:
-    leal    -8(%edi), %eax
-    cmovne  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S
deleted file mode 100644
index 5e451fd7b9..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ScanMem8.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.Asm
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT8                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem8):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movb    16(%esp), %al
-    repne   scasb
-    leal    -1(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S
deleted file mode 100644
index 7329d6818d..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem.S
+++ /dev/null
@@ -1,66 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.asm
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem):
-    push    %edi
-    movb    16(%esp), %al
-    movb    %al, %ah
-    shrdl   $16, %eax, %edx
-    shldl   $16, %edx, %eax
-    movl    12(%esp), %ecx              # ecx <- Count
-    movl    8(%esp), %edi               # edi <- Buffer
-    movl    %ecx, %edx
-    andl    $7, %edx
-    shrl    $3, %ecx                    # # of Qwords to set
-    jz      L1
-    addl    $-16, %esp
-    movq    %mm0, (%esp)                # save mm0
-    movq    %mm1, 8(%esp)               # save mm1
-    movd    %eax, %mm0
-    movd    %eax, %mm1
-    psllq   $32, %mm0
-    por     %mm1, %mm0                  # fill mm0 with 8 Value's
-L0:
-    movq    %mm0, (%edi)
-    addl    $8, %edi
-    loop    L0
-    movq    (%esp), %mm0                # restore mm0
-    movq    8(%esp), %mm1               # restore mm1
-    addl    $0x10, %esp                 # stack cleanup
-L1:
-    movl    %edx, %ecx
-    rep
-    stosb
-    movl    8(%esp), %eax               # eax <- Buffer as return value
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S
deleted file mode 100644
index 4d84bebba9..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem16.S
+++ /dev/null
@@ -1,59 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.asm
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem16):
-    push    %edi
-    movl    16(%esp), %eax
-    shrdl   $16, %eax, %edx
-    shldl   $16, %edx, %eax
-    movl    12(%esp), %edx
-    movl    8(%esp), %edi
-    movl    %edx, %ecx
-    andl    $3, %edx
-    shrl    $2, %ecx
-    jz      L1
-    movd    %eax, %mm0
-    movd    %eax, %mm1
-    psllq   $32, %mm0
-    por     %mm1, %mm0
-L0:
-    movq    %mm0, (%edi)
-    addl    $8, %edi
-    loop    L0
-L1:
-    movl    %edx, %ecx
-    rep
-    stosw
-    movl    8(%esp), %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S
deleted file mode 100644
index fb0d0788f9..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.asm
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem32):
-    movl    4(%esp), %eax
-    movl    8(%esp), %ecx
-    movd    12(%esp), %mm0
-    shrl    %ecx
-    movl    %eax, %edx
-    jz      L1
-    movq    %mm0, %mm1
-    psllq   $32, %mm1
-    por     %mm1, %mm0
-L0:
-    movq    %mm0, (%edx)
-    lea     8(%edx), %edx
-    loop    L0
-L1:
-    jnc     L2
-    movd    %mm0, (%edx)
-L2:
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S
deleted file mode 100644
index 53379ad0ef..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem64.S
+++ /dev/null
@@ -1,43 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.asm
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem64):
-    movl    4(%esp), %eax
-    movl    8(%esp), %ecx
-    movq    12(%esp), %mm0
-    movl    %eax, %edx
-L0:
-    movq    %mm0, (%edx)
-    lea     8(%edx), %edx
-    loop    L0
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S b/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S
deleted file mode 100644
index d6452713ca..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/ZeroMem.S
+++ /dev/null
@@ -1,54 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.asm
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemZeroMem):
-    push    %edi
-    movl    8(%esp), %edi
-    movl    12(%esp), %ecx
-    movl    %ecx, %edx
-    shrl    $3, %ecx
-    jz      L_ZeroBytes
-    pxor    %mm0, %mm0
-L0:
-    movq    %mm0, (%edi)
-    addl    $8, %edi
-    loop    L0
-L_ZeroBytes:
-    andl    $7, %edx
-    xorl    %eax, %eax
-    movl    %edx, %ecx
-    rep
-    stosb
-    movl    8(%esp), %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.S b/MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.S
deleted file mode 100644
index ee6bbe2715..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/CompareMem.S
+++ /dev/null
@@ -1,59 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CompareMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.S
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID                *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-ASM_PFX(InternalMemCompareMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rcx, %rsi
-    movq    %rdx, %rdi
-    movq    %r8, %rcx
-    repe    cmpsb
-    movzbq  -1(%rsi), %rax
-    movzbq  -1(%rdi), %rdx
-    subq    %rdx, %rax
-    popq    %rdi
-    popq    %rsi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S b/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S
deleted file mode 100644
index 42a1e28df9..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/CopyMem.S
+++ /dev/null
@@ -1,74 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CopyMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.S
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-ASM_PFX(InternalMemCopyMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rdx, %rsi                  # rsi <- Source
-    movq    %rcx, %rdi                  # rdi <- Destination
-    leaq    -1(%rsi, %r8,), %r9         # r9 <- End of Source
-    cmpq    %rdi, %rsi
-    movq    %rdi, %rax                  # rax <- Destination as return value
-    jae     L0
-    cmpq    %rdi, %r9
-    jae     L_CopyBackward              # Copy backward if overlapped
-L0:
-    movq    %r8, %rcx
-    andq    $7, %r8
-    shrq    $3, %rcx                    # rcx <- # of Qwords to copy
-    jz      L_CopyBytes
-    movd    %mm0, %r10                  # (Save mm0 in r10)
-L1:
-    movq    (%rsi), %mm0
-    movntq  %mm0, (%rdi)
-    addq    $8, %rsi
-    addq    $8, %rdi
-    loop    L1
-    mfence
-    movd    %r10, %mm0                  # (Restore mm0)
-    jmp     L_CopyBytes
-L_CopyBackward:
-    movq    %r9, %rsi                   # rsi <- End of Source
-    leaq    -1(%rdi, %r8,), %rdi        # rdi <- End of Destination
-    std                                 # set direction flag
-L_CopyBytes:
-    movq    %r8, %rcx
-    rep     movsb                       # Copy bytes backward
-    cld
-    popq    %rdi
-    popq    %rsi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem16.S b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem16.S
deleted file mode 100644
index 358651419a..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem16.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.S
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-ASM_PFX(InternalMemScanMem16):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    movq    %rdx, %rcx
-    repne   scasw
-    leaq    -2(%rdi), %rax
-    cmovnz  %rcx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem32.S b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem32.S
deleted file mode 100644
index 93e6cc2f13..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem32.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.S
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-ASM_PFX(InternalMemScanMem32):
-    pushq    %rdi
-    movq     %rcx, %rdi
-    movq     %r8, %rax
-    movq     %rdx, %rcx
-    repne    scasl
-    leaq     -4(%rdi), %rax
-    cmovnz   %rcx, %rax
-    popq     %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S
deleted file mode 100644
index 2e59c8dd52..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S
+++ /dev/null
@@ -1,55 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.S
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-ASM_PFX(InternalMemScanMem64):
-    pushq    %rdi
-    movq     %rcx, %rdi
-    movq     %r8, %rax
-    movq     %rdx, %rcx
-    repne    scasq
-    leaq     -8(%rdi), %rax
-    cmovnz   %rcx, %rax
-    popq     %rdi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem8.S b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem8.S
deleted file mode 100644
index 4bdacf7e01..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem8.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem8.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.S
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT8                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-ASM_PFX(InternalMemScanMem8):
-    pushq    %rdi
-    movq     %rcx, %rdi
-    movq     %rdx, %rcx
-    movq     %r8,   %rax
-    repne    scasb
-    leaq     -1(%rdi), %rax
-    cmovnz   %rcx, %rax                     # set rax to 0 if not found
-    popq     %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.S b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.S
deleted file mode 100644
index 16ccb3fc1d..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem.S
+++ /dev/null
@@ -1,61 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.S
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-ASM_PFX(InternalMemSetMem):
-    push    %rdi
-    movq    %r8, %rax
-    movb    %al, %ah
-    movd    %rax, %mm0
-    movq    %rcx, %r8
-    movq    %r8, %rdi                     # rdi <- Buffer
-    movq    %rdx, %rcx
-    andq    $7, %rdx
-    shrq    $3, %rcx
-    jz      L_SetBytes
-    .byte   0x0f, 0x70, 0x0C0, 0x00
-L0:
-    movntq  %mm0, (%rdi)
-    addq    $8, %rdi
-    loop    L0
-    mfence
-L_SetBytes:
-    movl    %edx, %ecx
-    rep       stosb
-    movq    %r8, %rax
-    pop     %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.S b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.S
deleted file mode 100644
index 4f77bacf14..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem16.S
+++ /dev/null
@@ -1,60 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.S
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-ASM_PFX(InternalMemSetMem16):
-    pushq    %rdi
-    movq     %r8, %rax
-    movd     %rax, %mm0
-    movq     %rcx, %r8
-    movq     %r8, %rdi
-    movq     %rdx, %rcx
-    andl     $3, %edx
-    shrq     $2, %rcx
-    jz       L_SetWords
-    .byte    0x0f, 0x70, 0x0C0, 0x00
-L0:
-    movntq   %mm0, (%rdi)
-    addq     $8, %rdi
-    loop     L0
-    mfence
-L_SetWords:
-    movl    %edx, %ecx
-    rep     stosw
-    movq    %r8, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.S b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.S
deleted file mode 100644
index 82c7cbf4d6..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem32.S
+++ /dev/null
@@ -1,55 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.S
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-ASM_PFX(InternalMemSetMem32):
-    movd    %r8, %mm0                   # mm0 <- Value
-    movq    %rcx, %rax                  # rax <- Buffer
-    xchgq   %rdx, %rcx                  # rcx <- Count  rdx <- Buffer
-    shrq    $1, % rcx                   # rcx <- # of qwords to set
-    jz      L_SetDwords
-   .byte    0x0f, 0x70, 0x0C0, 0x44
-L0:
-    movntq  %mm0, (%rdx)
-    leaq    8(%rdx), %rdx               # use "lea" to avoid flag changes
-    loop    L0
-    mfence
-L_SetDwords:
-    jnc     L1
-    movd    %mm0, (%rdx)
-L1:
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.S b/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.S
deleted file mode 100644
index 110c6f2d9c..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/SetMem64.S
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.S
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-ASM_PFX(InternalMemSetMem64):
-    movd      %r8, %mm0                 #Value
-    movq      %rcx, %rax                #rax <- Buffer
-    xchg      %rdx, %rcx                #rcx <- Count
-L0:
-    movntq  %mm0, (%rdx)
-    addq    $8, %rdx
-    loop    L0
-    mfence
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S b/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S
deleted file mode 100644
index 79f0b3d501..0000000000
--- a/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S
+++ /dev/null
@@ -1,57 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ZeroMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.S
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-ASM_PFX(InternalMemZeroMem):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %rdi, %r8
-    andq    $7, %rdx
-    shrq    $3, %rcx
-    jz      L_ZeroBytes
-    pxor    %mm0, %mm0
-L0:
-    movntq  %mm0, (%rdi)
-    addq    $8, %rdi
-    loop    L0
-    mfence
-L_ZeroBytes:
-    xorl    %eax, %eax
-    movl    %edx, %ecx
-    rep     stosb
-    movq    %r8, %rax
-    popq    %rdi
-    ret
-
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* [PATCH v2 07/10] MdePkg/BaseMemoryLibOptDxe: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
                   ` (5 preceding siblings ...)
  2019-03-19  6:59 ` [PATCH v2 06/10] MdePkg/BaseMemoryLibMmx: " Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 08/10] MdePkg/BaseMemoryLibOptPei: " Shenglei Zhang
                   ` (2 subsequent siblings)
  9 siblings, 0 replies; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 .../BaseMemoryLibOptDxe.inf                   | 22 -----
 .../BaseMemoryLibOptDxe/Ia32/CompareMem.S     | 55 ------------
 .../BaseMemoryLibOptDxe/Ia32/CopyMem.S        | 85 -------------------
 .../BaseMemoryLibOptDxe/Ia32/ScanMem16.S      | 52 ------------
 .../BaseMemoryLibOptDxe/Ia32/ScanMem32.S      | 52 ------------
 .../BaseMemoryLibOptDxe/Ia32/ScanMem64.S      | 61 -------------
 .../BaseMemoryLibOptDxe/Ia32/ScanMem8.S       | 52 ------------
 .../Library/BaseMemoryLibOptDxe/Ia32/SetMem.S | 50 -----------
 .../BaseMemoryLibOptDxe/Ia32/SetMem16.S       | 43 ----------
 .../BaseMemoryLibOptDxe/Ia32/SetMem32.S       | 43 ----------
 .../BaseMemoryLibOptDxe/Ia32/SetMem64.S       | 46 ----------
 .../BaseMemoryLibOptDxe/Ia32/ZeroMem.S        | 49 -----------
 .../BaseMemoryLibOptDxe/X64/CompareMem.S      | 59 -------------
 .../Library/BaseMemoryLibOptDxe/X64/CopyMem.S | 82 ------------------
 .../BaseMemoryLibOptDxe/X64/ScanMem16.S       | 56 ------------
 .../BaseMemoryLibOptDxe/X64/ScanMem32.S       | 56 ------------
 .../BaseMemoryLibOptDxe/X64/ScanMem64.S       | 55 ------------
 .../BaseMemoryLibOptDxe/X64/ScanMem8.S        | 56 ------------
 .../Library/BaseMemoryLibOptDxe/X64/SetMem.S  | 57 -------------
 .../BaseMemoryLibOptDxe/X64/SetMem16.S        | 47 ----------
 .../BaseMemoryLibOptDxe/X64/SetMem32.S        | 47 ----------
 .../BaseMemoryLibOptDxe/X64/SetMem64.S        | 46 ----------
 .../Library/BaseMemoryLibOptDxe/X64/ZeroMem.S | 51 -----------
 23 files changed, 1222 deletions(-)
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptDxe/X64/ZeroMem.S

diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
index 3f756647e1..5ee1d70473 100644
--- a/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
+++ b/MdePkg/Library/BaseMemoryLibOptDxe/BaseMemoryLibOptDxe.inf
@@ -35,27 +35,16 @@
 
 [Sources.Ia32]
   Ia32/ScanMem64.nasm
-  Ia32/ScanMem64.S
   Ia32/ScanMem32.nasm
-  Ia32/ScanMem32.S
   Ia32/ScanMem16.nasm
-  Ia32/ScanMem16.S
   Ia32/ScanMem8.nasm
-  Ia32/ScanMem8.S
   Ia32/CompareMem.nasm
-  Ia32/CompareMem.S
   Ia32/ZeroMem.nasm
-  Ia32/ZeroMem.S
   Ia32/SetMem64.nasm
-  Ia32/SetMem64.S
   Ia32/SetMem32.nasm
-  Ia32/SetMem32.S
   Ia32/SetMem16.nasm
-  Ia32/SetMem16.S
   Ia32/SetMem.nasm
-  Ia32/SetMem.S
   Ia32/CopyMem.nasm
-  Ia32/CopyMem.S
   Ia32/ScanMem64.nasm
   Ia32/ScanMem32.nasm
   Ia32/ScanMem16.nasm
@@ -72,27 +61,16 @@
 
 [Sources.X64]
   X64/ScanMem64.nasm
-  X64/ScanMem64.S
   X64/ScanMem32.nasm
-  X64/ScanMem32.S
   X64/ScanMem16.nasm
-  X64/ScanMem16.S
   X64/ScanMem8.nasm
-  X64/ScanMem8.S
   X64/CompareMem.nasm
-  X64/CompareMem.S
   X64/ZeroMem.nasm
-  X64/ZeroMem.S
   X64/SetMem64.nasm
-  X64/SetMem64.S
   X64/SetMem32.nasm
-  X64/SetMem32.S
   X64/SetMem16.nasm
-  X64/SetMem16.S
   X64/SetMem.nasm
-  X64/SetMem.S
   X64/CopyMem.nasm
-  X64/CopyMem.S
   X64/IsZeroBuffer.nasm
   MemLibGuid.c
 
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CompareMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CompareMem.S
deleted file mode 100644
index 23758781c9..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CompareMem.S
+++ /dev/null
@@ -1,55 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.S
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID                *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCompareMem):
-    push    %esi
-    push    %edi
-    movl    12(%esp), %esi
-    movl    16(%esp), %edi
-    movl    20(%esp), %ecx
-    repe    cmpsb
-    movzbl  -1(%esi), %eax
-    movzbl  -1(%edi), %edx
-    subl    %edx, %eax
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CopyMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CopyMem.S
deleted file mode 100644
index bfc02d6319..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/CopyMem.S
+++ /dev/null
@@ -1,85 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.S
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCopyMem):
-    push    %esi
-    push    %edi
-    movl    16(%esp), %esi              # esi <- Source
-    movl    12(%esp), %edi              # edi <- Destination
-    movl    20(%esp), %edx              # edx <- Count
-    leal    -1(%esi,%edx,), %eax        # eax <- End of Source
-    cmpl    %edi, %esi
-    jae     L0
-    cmpl    %edi, %eax                  # Overlapped?
-    jae     L_CopyBackward               # Copy backward if overlapped
-L0:
-    xorl    %ecx, %ecx
-    subl    %edi, %ecx
-    andl    $15, %ecx                   # ecx + edi aligns on 16-byte boundary
-    jz      L1
-    cmpl    %edx, %ecx
-    cmova   %edx, %ecx
-    subl    %ecx, %edx                  # edx <- remaining bytes to copy
-    rep
-    movsb
-L1:
-    movl    %edx, %ecx
-    andl    $15, %edx
-    shrl    $4, %ecx                    # ecx <- # of DQwords to copy
-    jz      L_CopyBytes
-    addl    $-16, %esp
-    movdqu  %xmm0, (%esp)
-L2:
-    movdqu  (%esi), %xmm0
-    movntdq %xmm0, (%edi)
-    addl    $16, %esi
-    addl    $16, %edi
-    loop    L2
-    mfence
-    movdqu  (%esp),%xmm0
-    addl    $16, %esp                   # stack cleanup
-    jmp     L_CopyBytes
-L_CopyBackward:
-    movl    %eax, %esi                  # esi <- Last byte in Source
-    leal    -1(%edi,%edx,), %edi        # edi <- Last byte in Destination
-    std
-L_CopyBytes:
-    movl    %edx, %ecx
-    rep
-    movsb
-    cld
-    movl    12(%esp), %eax              # eax <- Destination as return value
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem16.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem16.S
deleted file mode 100644
index e247d4ad09..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem16.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.Asm
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem16):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasw
-    leal    -2(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem32.S
deleted file mode 100644
index 7f0a3241d9..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem32.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.S
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem32):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasl
-    leal    -4(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem64.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem64.S
deleted file mode 100644
index c8f76f14a0..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem64.S
+++ /dev/null
@@ -1,61 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.S
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem64):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    16(%esp), %eax
-    movl    20(%esp), %edx
-    movl    8(%esp), %edi
-L0:
-    cmpl    (%edi), %eax
-    leal    8(%edi), %edi
-    loopne  L0
-    jne     L1
-    cmpl    -4(%edi), %edx
-    jecxz   L1
-    jne     L0
-L1:
-    leal    -8(%edi), %eax
-    cmovne  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem8.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem8.S
deleted file mode 100644
index 478b926165..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ScanMem8.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.S
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT8                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem8):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movb    16(%esp), %al
-    repne   scasb
-    leal    -1(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S
deleted file mode 100644
index 8c643ae46f..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem.S
+++ /dev/null
@@ -1,50 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.S
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem):
-    push    %edi
-    movl    12(%esp),%ecx
-    movb    16(%esp),%al
-    movb    %al, %ah
-    shrd    $16, %eax, %edx
-    shld    $16, %edx, %eax
-    movl    %ecx, %edx
-    movl    8(%esp),%edi
-    shr    $2, %ecx
-    rep stosl
-    movl    %edx, %ecx
-    andl    $3, %ecx
-    rep stosb
-    movl    8(%esp),%eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem16.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem16.S
deleted file mode 100644
index a31c8aef49..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem16.S
+++ /dev/null
@@ -1,43 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.S
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem16):
-    push    %edi
-    movl    16(%esp), %eax
-    movl    8(%esp), %edi
-    movl    12(%esp), %ecx
-    rep
-    stosw
-    movl    8(%esp), %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem32.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem32.S
deleted file mode 100644
index 73e36b731b..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem32.S
+++ /dev/null
@@ -1,43 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.S
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem32):
-    push    %edi
-    movl    16(%esp),%eax
-    movl    8(%esp),%edi
-    movl    12(%esp),%ecx
-    rep
-    stosl
-    movl    8(%esp),%eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem64.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem64.S
deleted file mode 100644
index 51687d46c2..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/SetMem64.S
+++ /dev/null
@@ -1,46 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.S
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem64):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    16(%esp), %eax
-    movl    20(%esp), %edx
-    movl    8(%esp), %edi
-L0:
-    mov     %eax, -8(%edi, %ecx, 8)
-    mov     %edx, -4(%edi, %ecx, 8)
-    loop    L0
-    movl    %edi, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ZeroMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ZeroMem.S
deleted file mode 100644
index 8ac52897be..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/Ia32/ZeroMem.S
+++ /dev/null
@@ -1,49 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.S
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemZeroMem):
-    push    %edi
-    xorl    %eax,%eax
-    movl    8(%esp),%edi
-    movl    12(%esp),%ecx
-    movl    %ecx,%edx
-    shrl    $2,%ecx
-    andl    $3,%edx
-    pushl   %edi
-    rep
-    stosl
-    movl    %edx,%ecx
-    rep
-    stosb
-    popl    %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/CompareMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/CompareMem.S
deleted file mode 100644
index ae27318373..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/CompareMem.S
+++ /dev/null
@@ -1,59 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CompareMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.S
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID                *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-ASM_PFX(InternalMemCompareMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rcx, %rsi
-    movq    %rdx, %rdi
-    movq    %r8, %rcx
-    repe    cmpsb
-    movzbq  -1(%rsi) , %rax
-    movzbq  -1(%rdi) , %rdx
-    sub     %dl, %al
-    popq    %rdi
-    popq    %rsi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/CopyMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/CopyMem.S
deleted file mode 100644
index d6fc9cb860..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/CopyMem.S
+++ /dev/null
@@ -1,82 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CopyMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.S
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-ASM_PFX(InternalMemCopyMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rdx, %rsi                  # rsi <- Source
-    movq    %rcx, %rdi                  # rdi <- Destination
-    leaq    -1(%rsi,%r8,), %r9          # r9 <- Last byte of Source
-    cmpq    %rdi, %rsi
-    movq    %rdi, %rax                  # rax <- Destination as return value
-    jae     L0                          # Copy forward if Source > Destination
-    cmpq    %rdi, %r9                   # Overlapped?
-    jae     L_CopyBackward              # Copy backward if overlapped
-L0:
-    xorq    %rcx, %rcx
-    subq    %rdi, %rcx                  # rcx <- -rdi
-    andq    $15, %rcx                   # rcx + rsi should be 16 bytes aligned
-    jz      L1                          # skip if rcx == 0
-    cmpq    %r8, %rcx
-    cmova   %r8, %rcx
-    subq    %rcx, %r8
-    rep     movsb
-L1:
-    movq    %r8,  %rcx
-    andq    $15, %r8
-    shrq    $4, %rcx                    # rcx <- # of DQwords to copy
-    jz      L_CopyBytes
-    movdqu  %xmm0, 0x18(%rsp)           # save xmm0 on stack
-L2:
-    movdqu  (%rsi), %xmm0               # rsi may not be 16-byte aligned
-    movntdq %xmm0, (%rdi)               # rdi should be 16-byte aligned
-    addq    $16, %rsi
-    addq    $16, %rdi
-    loop    L2
-    mfence
-    movdqa  0x18(%rsp), %xmm0            # restore xmm0
-    jmp     L_CopyBytes                  # copy remaining bytes
-L_CopyBackward:
-    movq    %r9, %rsi                   # rsi <- Last byte of Source
-    leaq     -1(%rdi, %r8,), %rdi       # rdi <- Last byte of Destination
-    std
-L_CopyBytes:
-    movq    %r8, %rcx
-    rep     movsb
-    cld
-    popq    %rdi
-    popq    %rsi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem16.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem16.S
deleted file mode 100644
index f72de1dc6a..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem16.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.S
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID          *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-ASM_PFX(InternalMemScanMem16):
-    pushq  %rdi
-    movq   %rcx, %rdi
-    movq   %r8, %rax
-    movq   %rdx, %rcx
-    repne   scasw
-    leaq    -2(%rdi), %rax
-    cmovnz  %rcx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem32.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem32.S
deleted file mode 100644
index d7ab3f8078..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem32.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.S
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-ASM_PFX(InternalMemScanMem32):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    movq    %rdx, %rcx
-    repne   scasl
-    leaq    -4(%rdi), %rax
-    cmovnz  %rcx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem64.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem64.S
deleted file mode 100644
index e7fb07633a..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem64.S
+++ /dev/null
@@ -1,55 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.S
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID          *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-ASM_PFX(InternalMemScanMem64):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    movq    %rdx, %rcx
-    repne   scasq
-    leaq    -8(%rdi), %rax
-    cmovnz  %rcx, %rax
-    popq    %rdi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem8.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem8.S
deleted file mode 100644
index 3f0ad09984..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ScanMem8.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem8.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.S
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID          *Buffer,
-#   IN      UINTN               Length,
-#   IN      UINT8               Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-ASM_PFX(InternalMemScanMem8):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasb
-    leaq    -1(%rdi), %rax
-    cmovnz  %rcx, %rax                  # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem.S
deleted file mode 100644
index c3a4d76b4f..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem.S
+++ /dev/null
@@ -1,57 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.S
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-ASM_PFX(InternalMemSetMem):
-    pushq   %rdi
-    pushq   %rbx
-    pushq   %rcx        # push Buffer
-    movq    %r8, %rax   # rax = Value
-    andq    $0xff, %rax # rax = lower 8 bits of r8, upper 56 bits are 0
-    movb    %al, %ah    # ah  = al
-    movw    %ax, %bx    # bx  = ax
-    shlq    $0x10, %rax # rax = ax << 16
-    movw    %bx,  %ax   # ax  = bx
-    movq    %rax, %rbx  # ebx = eax
-    shlq    $0x20, %rax # rax = rax << 32
-    orq     %rbx, %rax  # eax = ebx
-    movq    %rcx, %rdi  # rdi = Buffer
-    movq    %rdx, %rcx  # rcx = Count
-    shrq    $3, %rcx    # rcx = rcx / 8
-    cld
-    rep     stosq
-    movq    %rdx, %rcx  # rcx = rdx
-    andq    $7, %rcx    # rcx = rcx & 7
-    rep     stosb
-    popq    %rax        # rax = Buffer
-    popq    %rbx
-    popq    %rdi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem16.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem16.S
deleted file mode 100644
index cb11f8ac2b..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem16.S
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.S
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-ASM_PFX(InternalMemSetMem16):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    xchg    %rdx, %rcx
-    rep     stosw
-    movq    %rdx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem32.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem32.S
deleted file mode 100644
index 9b9a63d14f..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem32.S
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.S
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-ASM_PFX(InternalMemSetMem32):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    xchgq   %rdx, %rcx
-    rep     stosl
-    movq    %rdx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.S
deleted file mode 100644
index 90acd1f236..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/SetMem64.S
+++ /dev/null
@@ -1,46 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.S
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-ASM_PFX(InternalMemSetMem64):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    xchg    %rdx, %rcx
-    rep     stosq
-    movq    %rdx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ZeroMem.S b/MdePkg/Library/BaseMemoryLibOptDxe/X64/ZeroMem.S
deleted file mode 100644
index 3432f23c68..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptDxe/X64/ZeroMem.S
+++ /dev/null
@@ -1,51 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ZeroMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.S
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-ASM_PFX(InternalMemZeroMem):
-    pushq   %rdi
-    pushq   %rcx
-    xorq    %rax, %rax
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    shrq    $3, %rcx
-    andq    $7, %rdx
-    cld
-    rep     stosq
-    movq    %rdx, %rcx
-    rep     stosb
-    popq    %rax
-    popq    %rdi
-    ret
-
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* [PATCH v2 08/10] MdePkg/BaseMemoryLibOptPei: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
                   ` (6 preceding siblings ...)
  2019-03-19  6:59 ` [PATCH v2 07/10] MdePkg/BaseMemoryLibOptDxe: " Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 09/10] MdePkg/BaseMemoryLibRepStr: " Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 10/10] MdePkg/BaseMemoryLibSse2: " Shenglei Zhang
  9 siblings, 0 replies; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 .../BaseMemoryLibOptPei.inf                   | 22 -------
 .../BaseMemoryLibOptPei/Ia32/CompareMem.S     | 55 ----------------
 .../BaseMemoryLibOptPei/Ia32/CopyMem.S        | 62 -----------------
 .../BaseMemoryLibOptPei/Ia32/ScanMem16.S      | 52 ---------------
 .../BaseMemoryLibOptPei/Ia32/ScanMem32.S      | 52 ---------------
 .../BaseMemoryLibOptPei/Ia32/ScanMem64.S      | 61 -----------------
 .../BaseMemoryLibOptPei/Ia32/ScanMem8.S       | 52 ---------------
 .../Library/BaseMemoryLibOptPei/Ia32/SetMem.S | 50 --------------
 .../BaseMemoryLibOptPei/Ia32/SetMem16.S       | 43 ------------
 .../BaseMemoryLibOptPei/Ia32/SetMem32.S       | 43 ------------
 .../BaseMemoryLibOptPei/Ia32/SetMem64.S       | 46 -------------
 .../BaseMemoryLibOptPei/Ia32/ZeroMem.S        | 49 --------------
 .../BaseMemoryLibOptPei/X64/CompareMem.S      | 59 -----------------
 .../Library/BaseMemoryLibOptPei/X64/CopyMem.S | 66 -------------------
 .../BaseMemoryLibOptPei/X64/ScanMem16.S       | 56 ----------------
 .../BaseMemoryLibOptPei/X64/ScanMem32.S       | 56 ----------------
 .../BaseMemoryLibOptPei/X64/ScanMem64.S       | 56 ----------------
 .../BaseMemoryLibOptPei/X64/ScanMem8.S        | 56 ----------------
 .../Library/BaseMemoryLibOptPei/X64/SetMem.S  | 47 -------------
 .../BaseMemoryLibOptPei/X64/SetMem16.S        | 47 -------------
 .../BaseMemoryLibOptPei/X64/SetMem32.S        | 47 -------------
 .../BaseMemoryLibOptPei/X64/SetMem64.S        | 46 -------------
 .../Library/BaseMemoryLibOptPei/X64/ZeroMem.S | 50 --------------
 23 files changed, 1173 deletions(-)
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibOptPei/X64/ZeroMem.S

diff --git a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
index 8f274d83b0..6fcb5fdac2 100644
--- a/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
+++ b/MdePkg/Library/BaseMemoryLibOptPei/BaseMemoryLibOptPei.inf
@@ -35,27 +35,16 @@
 
 [Sources.Ia32]
   Ia32/ScanMem64.nasm
-  Ia32/ScanMem64.S
   Ia32/ScanMem32.nasm
-  Ia32/ScanMem32.S
   Ia32/ScanMem16.nasm
-  Ia32/ScanMem16.S
   Ia32/ScanMem8.nasm
-  Ia32/ScanMem8.S
   Ia32/CompareMem.nasm
-  Ia32/CompareMem.S
   Ia32/ZeroMem.nasm
-  Ia32/ZeroMem.S
   Ia32/SetMem64.nasm
-  Ia32/SetMem64.S
   Ia32/SetMem32.nasm
-  Ia32/SetMem32.S
   Ia32/SetMem16.nasm
-  Ia32/SetMem16.S
   Ia32/SetMem.nasm
-  Ia32/SetMem.S
   Ia32/CopyMem.nasm
-  Ia32/CopyMem.S
   Ia32/ScanMem64.nasm
   Ia32/ScanMem32.nasm
   Ia32/ScanMem16.nasm
@@ -84,27 +73,16 @@
 
 [Sources.X64]
   X64/ScanMem64.nasm
-  X64/ScanMem64.S
   X64/ScanMem32.nasm
-  X64/ScanMem32.S
   X64/ScanMem16.nasm
-  X64/ScanMem16.S
   X64/ScanMem8.nasm
-  X64/ScanMem8.S
   X64/CompareMem.nasm
-  X64/CompareMem.S
   X64/ZeroMem.nasm
-  X64/ZeroMem.S
   X64/SetMem64.nasm
-  X64/SetMem64.S
   X64/SetMem32.nasm
-  X64/SetMem32.S
   X64/SetMem16.nasm
-  X64/SetMem16.S
   X64/SetMem.nasm
-  X64/SetMem.S
   X64/CopyMem.nasm
-  X64/CopyMem.S
   X64/IsZeroBuffer.nasm
   ScanMem64Wrapper.c
   ScanMem32Wrapper.c
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/CompareMem.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/CompareMem.S
deleted file mode 100644
index 23758781c9..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/CompareMem.S
+++ /dev/null
@@ -1,55 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.S
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID                *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCompareMem):
-    push    %esi
-    push    %edi
-    movl    12(%esp), %esi
-    movl    16(%esp), %edi
-    movl    20(%esp), %ecx
-    repe    cmpsb
-    movzbl  -1(%esi), %eax
-    movzbl  -1(%edi), %edx
-    subl    %edx, %eax
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/CopyMem.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/CopyMem.S
deleted file mode 100644
index 9d5873c888..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/CopyMem.S
+++ /dev/null
@@ -1,62 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.S
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCopyMem):
-    push    %esi
-    push    %edi
-    movl    16(%esp), %esi              # esi <- Source
-    movl    12(%esp), %edi              # edi <- Destination
-    movl    20(%esp), %edx              # edx <- Count
-    cmpl    %esi, %edi
-    je      L_CopyDone
-    cmpl    $0, %edx
-    je      L_CopyDone
-    leal    -1(%esi, %edx), %eax        # eax <- End of Source
-    cmpl    %edi, %esi
-    jae     L_CopyBytes
-    cmpl    %edi, %eax
-    jb      L_CopyBytes                 # Copy backward if overlapped
-    movl    %eax, %esi                  # esi <- End of Source
-    leal    -1(%edi, %edx), %edi        # edi <- End of Destination
-    std
-L_CopyBytes:
-    movl    %edx, %ecx
-    rep
-    movsb                               # Copy bytes backward
-    cld
-L_CopyDone:
-    movl    12(%esp), %eax              # eax <- Destination as return value
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem16.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem16.S
deleted file mode 100644
index c1a374861e..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem16.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.S
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem16):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasw
-    leal    -2(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem32.S
deleted file mode 100644
index 066fde42ce..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem32.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.Asm
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem32):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasl
-    leal    -4(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.S
deleted file mode 100644
index c8f76f14a0..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem64.S
+++ /dev/null
@@ -1,61 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.S
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem64):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    16(%esp), %eax
-    movl    20(%esp), %edx
-    movl    8(%esp), %edi
-L0:
-    cmpl    (%edi), %eax
-    leal    8(%edi), %edi
-    loopne  L0
-    jne     L1
-    cmpl    -4(%edi), %edx
-    jecxz   L1
-    jne     L0
-L1:
-    leal    -8(%edi), %eax
-    cmovne  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem8.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem8.S
deleted file mode 100644
index 478b926165..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ScanMem8.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.S
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT8                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem8):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movb    16(%esp), %al
-    repne   scasb
-    leal    -1(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.S
deleted file mode 100644
index 8c643ae46f..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem.S
+++ /dev/null
@@ -1,50 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.S
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem):
-    push    %edi
-    movl    12(%esp),%ecx
-    movb    16(%esp),%al
-    movb    %al, %ah
-    shrd    $16, %eax, %edx
-    shld    $16, %edx, %eax
-    movl    %ecx, %edx
-    movl    8(%esp),%edi
-    shr    $2, %ecx
-    rep stosl
-    movl    %edx, %ecx
-    andl    $3, %ecx
-    rep stosb
-    movl    8(%esp),%eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem16.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem16.S
deleted file mode 100644
index a31c8aef49..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem16.S
+++ /dev/null
@@ -1,43 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.S
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem16):
-    push    %edi
-    movl    16(%esp), %eax
-    movl    8(%esp), %edi
-    movl    12(%esp), %ecx
-    rep
-    stosw
-    movl    8(%esp), %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem32.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem32.S
deleted file mode 100644
index 73e36b731b..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem32.S
+++ /dev/null
@@ -1,43 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.S
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem32):
-    push    %edi
-    movl    16(%esp),%eax
-    movl    8(%esp),%edi
-    movl    12(%esp),%ecx
-    rep
-    stosl
-    movl    8(%esp),%eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem64.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem64.S
deleted file mode 100644
index 51687d46c2..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/SetMem64.S
+++ /dev/null
@@ -1,46 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.S
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem64):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    16(%esp), %eax
-    movl    20(%esp), %edx
-    movl    8(%esp), %edi
-L0:
-    mov     %eax, -8(%edi, %ecx, 8)
-    mov     %edx, -4(%edi, %ecx, 8)
-    loop    L0
-    movl    %edi, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ZeroMem.S b/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ZeroMem.S
deleted file mode 100644
index 8ac52897be..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/Ia32/ZeroMem.S
+++ /dev/null
@@ -1,49 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.S
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemZeroMem):
-    push    %edi
-    xorl    %eax,%eax
-    movl    8(%esp),%edi
-    movl    12(%esp),%ecx
-    movl    %ecx,%edx
-    shrl    $2,%ecx
-    andl    $3,%edx
-    pushl   %edi
-    rep
-    stosl
-    movl    %edx,%ecx
-    rep
-    stosb
-    popl    %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/CompareMem.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/CompareMem.S
deleted file mode 100644
index 26ed8dd866..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/CompareMem.S
+++ /dev/null
@@ -1,59 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CompareMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.S
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID                *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-ASM_PFX(InternalMemCompareMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rcx, %rsi
-    movq    %rdx, %rdi
-    movq    %r8, %rcx
-    repe    cmpsb
-    movzbq  -1(%rsi) , %rax
-    movzbq  -1(%rdi) , %rdx
-    subq    %rdx, %rax
-    popq    %rdi
-    popq    %rsi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/CopyMem.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/CopyMem.S
deleted file mode 100644
index fad30a5f31..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/CopyMem.S
+++ /dev/null
@@ -1,66 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CopyMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.S
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-ASM_PFX(InternalMemCopyMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rdx, %rsi                  # rsi <- Source
-    movq    %rcx, %rdi                  # rdi <- Destination
-    leaq    -1(%rsi, %r8,), %r9         # r9 <- End of Source
-    cmpq    %rdi, %rsi
-    movq    %rdi, %rax                  # rax <- Destination as return value
-    jae     _InternalMemCopyMem_al_0000
-    cmpq    %rdi, %r9
-    jae     _atSym_CopyBackward         # Copy backward if overlapped
-_InternalMemCopyMem_al_0000:
-    movq    %r8, %rcx
-    andq    $7, %r8
-    shrq    $3, %rcx
-    rep     movsq                       # Copy as many Qwords as possible
-    jmp     _atSym_CopyBytes
-_atSym_CopyBackward:
-    movq    %r9, %rsi                   # rsi <- End of Source
-    leaq    -1(%rdi, %r8), %rdi         # rdi <- End of Destination
-    std                                 # set direction flag
-_atSym_CopyBytes:
-    movq    %r8, %rcx
-    rep     movsb                       # Copy bytes backward
-    cld
-    popq    %rdi
-    popq    %rsi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem16.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem16.S
deleted file mode 100644
index 282dc3cd12..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem16.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.S
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-ASM_PFX(InternalMemScanMem16):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasw
-    leaq    -2(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem32.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem32.S
deleted file mode 100644
index 70426e73be..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem32.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.S
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-ASM_PFX(InternalMemScanMem32):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasl
-    leaq    -4(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem64.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem64.S
deleted file mode 100644
index eac15bc84e..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem64.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.S
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-ASM_PFX(InternalMemScanMem64):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasq
-    leaq    -8(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem8.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem8.S
deleted file mode 100644
index cea3f56781..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/ScanMem8.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem8.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.S
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT8                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-ASM_PFX(InternalMemScanMem8):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasb
-    leaq    -1(%rdi), %rax
-    cmovnz  %rcx, %rax                  # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem.S
deleted file mode 100644
index 5dead6c992..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem.S
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.S
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-ASM_PFX(InternalMemSetMem):
-    pushq   %rdi
-    movq    %r8, %rax    # rax = Value
-    movq    %rcx, %rdi   # rdi = Buffer
-    xchgq   %rdx, %rcx   # rcx = Count, rdx = Buffer
-    rep     stosb
-    movq    %rdx, %rax   # rax = Buffer
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem16.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem16.S
deleted file mode 100644
index 4c291e0b87..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem16.S
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.S
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-ASM_PFX(InternalMemSetMem16):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    xchgq   %rdx, %rcx
-    rep     stosw
-    movq    %rdx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem32.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem32.S
deleted file mode 100644
index 9b9a63d14f..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem32.S
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.S
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-ASM_PFX(InternalMemSetMem32):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    xchgq   %rdx, %rcx
-    rep     stosl
-    movq    %rdx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem64.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem64.S
deleted file mode 100644
index 6721693a20..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/SetMem64.S
+++ /dev/null
@@ -1,46 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.S
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-ASM_PFX(InternalMemSetMem64):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    xchgq   %rdx, %rcx
-    rep     stosq
-    movq    %rdx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibOptPei/X64/ZeroMem.S b/MdePkg/Library/BaseMemoryLibOptPei/X64/ZeroMem.S
deleted file mode 100644
index 83f3901e51..0000000000
--- a/MdePkg/Library/BaseMemoryLibOptPei/X64/ZeroMem.S
+++ /dev/null
@@ -1,50 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ZeroMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.S
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-ASM_PFX(InternalMemZeroMem):
-    pushq   %rdi
-    pushq   %rcx
-    xorq    %rax, %rax
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    shrq    $3, %rcx
-    andq    $7, %rdx
-    rep     stosq
-    movl    %edx, %ecx
-    rep     stosb
-    popq    %rax
-    popq    %rdi
-    ret
-
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* [PATCH v2 09/10] MdePkg/BaseMemoryLibRepStr: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
                   ` (7 preceding siblings ...)
  2019-03-19  6:59 ` [PATCH v2 08/10] MdePkg/BaseMemoryLibOptPei: " Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  2019-03-19  6:59 ` [PATCH v2 10/10] MdePkg/BaseMemoryLibSse2: " Shenglei Zhang
  9 siblings, 0 replies; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 .../BaseMemoryLibRepStr.inf                   | 22 -------
 .../BaseMemoryLibRepStr/Ia32/CompareMem.S     | 55 ----------------
 .../BaseMemoryLibRepStr/Ia32/CopyMem.S        | 65 ------------------
 .../BaseMemoryLibRepStr/Ia32/ScanMem16.S      | 54 ---------------
 .../BaseMemoryLibRepStr/Ia32/ScanMem32.S      | 54 ---------------
 .../BaseMemoryLibRepStr/Ia32/ScanMem64.S      | 63 ------------------
 .../BaseMemoryLibRepStr/Ia32/ScanMem8.S       | 54 ---------------
 .../Library/BaseMemoryLibRepStr/Ia32/SetMem.S | 46 -------------
 .../BaseMemoryLibRepStr/Ia32/SetMem16.S       | 43 ------------
 .../BaseMemoryLibRepStr/Ia32/SetMem32.S       | 43 ------------
 .../BaseMemoryLibRepStr/Ia32/SetMem64.S       | 46 -------------
 .../BaseMemoryLibRepStr/Ia32/ZeroMem.S        | 49 --------------
 .../BaseMemoryLibRepStr/X64/CompareMem.S      | 59 -----------------
 .../Library/BaseMemoryLibRepStr/X64/CopyMem.S | 66 -------------------
 .../BaseMemoryLibRepStr/X64/ScanMem16.S       | 56 ----------------
 .../BaseMemoryLibRepStr/X64/ScanMem32.S       | 56 ----------------
 .../BaseMemoryLibRepStr/X64/ScanMem64.S       | 56 ----------------
 .../BaseMemoryLibRepStr/X64/ScanMem8.S        | 56 ----------------
 .../Library/BaseMemoryLibRepStr/X64/SetMem.S  | 47 -------------
 .../BaseMemoryLibRepStr/X64/SetMem16.S        | 47 -------------
 .../BaseMemoryLibRepStr/X64/SetMem32.S        | 47 -------------
 .../BaseMemoryLibRepStr/X64/SetMem64.S        | 46 -------------
 .../Library/BaseMemoryLibRepStr/X64/ZeroMem.S | 50 --------------
 23 files changed, 1180 deletions(-)
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.S

diff --git a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf
index 049936deab..7b315b8302 100644
--- a/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf
+++ b/MdePkg/Library/BaseMemoryLibRepStr/BaseMemoryLibRepStr.inf
@@ -48,27 +48,16 @@
 
 [Sources.Ia32]
   Ia32/ScanMem64.nasm
-  Ia32/ScanMem64.S
   Ia32/ScanMem32.nasm
-  Ia32/ScanMem32.S
   Ia32/ScanMem16.nasm
-  Ia32/ScanMem16.S
   Ia32/ScanMem8.nasm
-  Ia32/ScanMem8.S
   Ia32/CompareMem.nasm
-  Ia32/CompareMem.S
   Ia32/ZeroMem.nasm
-  Ia32/ZeroMem.S
   Ia32/SetMem64.nasm
-  Ia32/SetMem64.S
   Ia32/SetMem32.nasm
-  Ia32/SetMem32.S
   Ia32/SetMem16.nasm
-  Ia32/SetMem16.S
   Ia32/SetMem.nasm
-  Ia32/SetMem.S
   Ia32/CopyMem.nasm
-  Ia32/CopyMem.S
   Ia32/ScanMem64.nasm
   Ia32/ScanMem32.nasm
   Ia32/ScanMem16.nasm
@@ -84,27 +73,16 @@
 
 [Sources.X64]
   X64/ScanMem64.nasm
-  X64/ScanMem64.S
   X64/ScanMem32.nasm
-  X64/ScanMem32.S
   X64/ScanMem16.nasm
-  X64/ScanMem16.S
   X64/ScanMem8.nasm
-  X64/ScanMem8.S
   X64/CompareMem.nasm
-  X64/CompareMem.S
   X64/ZeroMem.nasm
-  X64/ZeroMem.S
   X64/SetMem64.nasm
-  X64/SetMem64.S
   X64/SetMem32.nasm
-  X64/SetMem32.S
   X64/SetMem16.nasm
-  X64/SetMem16.S
   X64/SetMem.nasm
-  X64/SetMem.S
   X64/CopyMem.nasm
-  X64/CopyMem.S
   X64/ScanMem64.nasm
   X64/ScanMem32.nasm
   X64/ScanMem16.nasm
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.S
deleted file mode 100644
index b509586adb..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CompareMem.S
+++ /dev/null
@@ -1,55 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.Asm
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID                *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCompareMem):
-    push    %esi
-    push    %edi
-    movl    12(%esp), %esi
-    movl    16(%esp), %edi
-    movl    20(%esp), %ecx
-    repe    cmpsb
-    movzbl  -1(%esi), %eax
-    movzbl  -1(%edi), %edx
-    subl    %edx, %eax
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S
deleted file mode 100644
index 5aeef75a5d..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/CopyMem.S
+++ /dev/null
@@ -1,65 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.Asm
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCopyMem):
-    push    %esi
-    push    %edi
-    movl    16(%esp), %esi              # esi <- Source
-    movl    12(%esp), %edi              # edi <- Destination
-    movl    20(%esp), %edx              # edx <- Count
-    leal    -1(%esi, %edx), %eax        # eax <- End of Source
-    cmpl    %edi, %esi
-    jae     L0
-    cmpl    %edi, %eax
-    jae     L_CopyBackward              # Copy backward if overlapped
-L0:
-    movl    %edx, %ecx
-    andl    $3, %edx
-    shrl    $2, %ecx
-    rep
-    movsl                               # Copy as many Dwords as possible
-    jmp     L_CopyBytes
-L_CopyBackward:
-    movl    %eax, %esi                  # esi <- End of Source
-    leal    -1(%edi, %edx), %edi        # edi <- End of Destination
-    std
-L_CopyBytes:
-    movl    %edx, %ecx
-    rep
-    movsb                               # Copy bytes backward
-    cld
-    movl    12(%esp), %eax              # eax <- Destination as return value
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S
deleted file mode 100644
index 1977be7938..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem16.S
+++ /dev/null
@@ -1,54 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.Asm
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem16):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasw
-    leal    -2(%edi), %eax
-    jz      L0
-    movl    %ecx, %eax
-L0:
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
deleted file mode 100644
index 9751b4a82b..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem32.S
+++ /dev/null
@@ -1,54 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.Asm
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem32):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasl
-    leal    -4(%edi), %eax
-    jz      L0
-    movl    %ecx, %eax
-L0:
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S
deleted file mode 100644
index 3efc9b82d3..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem64.S
+++ /dev/null
@@ -1,63 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.Asm
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem64):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    16(%esp), %eax
-    movl    20(%esp), %edx
-    movl    8(%esp), %edi
-L0:
-    cmpl    (%edi), %eax
-    leal    8(%edi), %edi
-    loopne  L0
-    jne     L1
-    cmpl    -4(%edi), %edx
-    jecxz   L1
-    jne     L0
-L1:
-    leal    -8(%edi), %eax
-    jz      L2
-    movl    %ecx, %eax
-L2:
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
deleted file mode 100644
index f8d8b7a736..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ScanMem8.S
+++ /dev/null
@@ -1,54 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.Asm
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT8                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem8):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movb    16(%esp), %al
-    repne   scasb
-    leal    -1(%edi), %eax
-    jz      L0
-    movl    %ecx, %eax
-L0:
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.S
deleted file mode 100644
index 9b1f1cb60c..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem.S
+++ /dev/null
@@ -1,46 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.Asm
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-    .code:
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem):
-    push    %edi
-    movl    16(%esp),%eax
-    movl    8(%esp),%edi
-    movl    12(%esp),%ecx
-    rep
-    stosb
-    movl    8(%esp),%eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.S
deleted file mode 100644
index e35774a8ac..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem16.S
+++ /dev/null
@@ -1,43 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.Asm
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem16):
-    push    %edi
-    movl    16(%esp), %eax
-    movl    8(%esp), %edi
-    movl    12(%esp), %ecx
-    rep
-    stosw
-    movl    8(%esp), %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.S
deleted file mode 100644
index 0a8b1c3c64..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem32.S
+++ /dev/null
@@ -1,43 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.Asm
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem32):
-    push    %edi
-    movl    16(%esp),%eax
-    movl    8(%esp),%edi
-    movl    12(%esp),%ecx
-    rep
-    stosl
-    movl    8(%esp),%eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.S
deleted file mode 100644
index 2e4b7ced57..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/SetMem64.S
+++ /dev/null
@@ -1,46 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.Asm
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem64):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    16(%esp), %eax
-    movl    20(%esp), %edx
-    movl    8(%esp), %edi
-L0:
-    mov     %eax, -8(%edi, %ecx, 8)
-    mov     %edx, -4(%edi, %ecx, 8)
-    loop    L0
-    movl    %edi, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.S b/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.S
deleted file mode 100644
index 86ba2414a8..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/Ia32/ZeroMem.S
+++ /dev/null
@@ -1,49 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.Asm
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemZeroMem):
-    push    %edi
-    xorl    %eax,%eax
-    movl    8(%esp),%edi
-    movl    12(%esp),%ecx
-    movl    %ecx,%edx
-    shrl    $2,%ecx
-    andl    $3,%edx
-    pushl   %edi
-    rep
-    stosl
-    movl    %edx,%ecx
-    rep
-    stosb
-    popl    %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.S
deleted file mode 100644
index 3087aea0c2..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/CompareMem.S
+++ /dev/null
@@ -1,59 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CompareMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.S
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID          *DestinationBuffer,
-#   IN      CONST VOID          *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-ASM_PFX(InternalMemCompareMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rcx, %rsi
-    movq    %rdx, %rdi
-    movq    %r8, %rcx
-    repe    cmpsb
-    movzbq  -1(%rsi) , %rax
-    movzbq  -1(%rdi) , %rdx
-    subq    %rdx, %rax
-    popq    %rdi
-    popq    %rsi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.S
deleted file mode 100644
index 4d7a7d096f..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/CopyMem.S
+++ /dev/null
@@ -1,66 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CopyMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.S
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-ASM_PFX(InternalMemCopyMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rdx, %rsi                  # rsi <- Source
-    movq    %rcx, %rdi                  # rdi <- Destination
-    leaq    -1(%rsi, %r8,), %r9         # r9 <- End of Source
-    cmpq    %rdi, %rsi
-    movq    %rdi, %rax                  # rax <- Destination as return value
-    jae     L0
-    cmpq    %rdi, %r9
-    jae     L_CopyBackward               # Copy backward if overlapped
-L0:
-    movq    %r8, %rcx
-    andq    $7, %r8
-    shrq    $3, %rcx
-    rep     movsq                       # Copy as many Qwords as possible
-    jmp     L_CopyBytes
-L_CopyBackward:
-    movq    %r9, %rsi                   # rsi <- End of Source
-    leaq    -1(%rdi, %r8),  %rdi        # esi <- End of Destination
-    std                                 # set direction flag
-L_CopyBytes:
-    movq    %r8, %rcx
-    rep     movsb                       # Copy bytes backward
-    cld
-    popq    %rdi
-    popq    %rsi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.S
deleted file mode 100644
index 282dc3cd12..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem16.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.S
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-ASM_PFX(InternalMemScanMem16):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasw
-    leaq    -2(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.S
deleted file mode 100644
index 70426e73be..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem32.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.S
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-ASM_PFX(InternalMemScanMem32):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasl
-    leaq    -4(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.S
deleted file mode 100644
index eac15bc84e..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem64.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.S
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-ASM_PFX(InternalMemScanMem64):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasq
-    leaq    -8(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.S
deleted file mode 100644
index cea3f56781..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/ScanMem8.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem8.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.S
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT8                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-ASM_PFX(InternalMemScanMem8):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasb
-    leaq    -1(%rdi), %rax
-    cmovnz  %rcx, %rax                  # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.S
deleted file mode 100644
index 2e7edfaeea..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem.S
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.S
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-ASM_PFX(InternalMemSetMem):
-    pushq   %rdi
-    movq    %r8, %rax      # rax = Value
-    movq    %rcx, %rdi     # rdi = Buffer
-    xchgq   %rdx, %rcx     # rcx = Count, rdx = Buffer
-    rep     stosb
-    movq    %rdx, %rax     # rax = Buffer
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.S
deleted file mode 100644
index 4c291e0b87..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem16.S
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.S
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-ASM_PFX(InternalMemSetMem16):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    xchgq   %rdx, %rcx
-    rep     stosw
-    movq    %rdx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.S
deleted file mode 100644
index 9b9a63d14f..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem32.S
+++ /dev/null
@@ -1,47 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.S
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-ASM_PFX(InternalMemSetMem32):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    xchgq   %rdx, %rcx
-    rep     stosl
-    movq    %rdx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.S
deleted file mode 100644
index 6721693a20..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/SetMem64.S
+++ /dev/null
@@ -1,46 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.S
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-ASM_PFX(InternalMemSetMem64):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %r8, %rax
-    xchgq   %rdx, %rcx
-    rep     stosq
-    movq    %rdx, %rax
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.S b/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.S
deleted file mode 100644
index 83f3901e51..0000000000
--- a/MdePkg/Library/BaseMemoryLibRepStr/X64/ZeroMem.S
+++ /dev/null
@@ -1,50 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ZeroMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.S
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-ASM_PFX(InternalMemZeroMem):
-    pushq   %rdi
-    pushq   %rcx
-    xorq    %rax, %rax
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    shrq    $3, %rcx
-    andq    $7, %rdx
-    rep     stosq
-    movl    %edx, %ecx
-    rep     stosb
-    popq    %rax
-    popq    %rdi
-    ret
-
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* [PATCH v2 10/10] MdePkg/BaseMemoryLibSse2: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
                   ` (8 preceding siblings ...)
  2019-03-19  6:59 ` [PATCH v2 09/10] MdePkg/BaseMemoryLibRepStr: " Shenglei Zhang
@ 2019-03-19  6:59 ` Shenglei Zhang
  9 siblings, 0 replies; 13+ messages in thread
From: Shenglei Zhang @ 2019-03-19  6:59 UTC (permalink / raw)
  To: edk2-devel; +Cc: Michael D Kinney, Liming Gao

.nasm file has been added for X86 arch. .S assembly code
is not required any more.
https://bugzilla.tianocore.org/show_bug.cgi?id=1594

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
---
 .../BaseMemoryLibSse2/BaseMemoryLibSse2.inf   | 22 -----
 .../BaseMemoryLibSse2/Ia32/CompareMem.S       | 55 ------------
 .../Library/BaseMemoryLibSse2/Ia32/CopyMem.S  | 85 -------------------
 .../BaseMemoryLibSse2/Ia32/ScanMem16.S        | 52 ------------
 .../BaseMemoryLibSse2/Ia32/ScanMem32.S        | 52 ------------
 .../BaseMemoryLibSse2/Ia32/ScanMem64.S        | 61 -------------
 .../Library/BaseMemoryLibSse2/Ia32/ScanMem8.S | 52 ------------
 .../Library/BaseMemoryLibSse2/Ia32/SetMem.S   | 76 -----------------
 .../Library/BaseMemoryLibSse2/Ia32/SetMem16.S | 69 ---------------
 .../Library/BaseMemoryLibSse2/Ia32/SetMem32.S | 68 ---------------
 .../Library/BaseMemoryLibSse2/Ia32/SetMem64.S | 58 -------------
 .../Library/BaseMemoryLibSse2/Ia32/ZeroMem.S  | 65 --------------
 .../BaseMemoryLibSse2/X64/CompareMem.S        | 59 -------------
 .../Library/BaseMemoryLibSse2/X64/CopyMem.S   | 83 ------------------
 .../Library/BaseMemoryLibSse2/X64/ScanMem16.S | 56 ------------
 .../Library/BaseMemoryLibSse2/X64/ScanMem32.S | 56 ------------
 .../Library/BaseMemoryLibSse2/X64/ScanMem64.S | 56 ------------
 .../Library/BaseMemoryLibSse2/X64/ScanMem8.S  | 56 ------------
 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem.S | 72 ----------------
 .../Library/BaseMemoryLibSse2/X64/SetMem16.S  | 70 ---------------
 .../Library/BaseMemoryLibSse2/X64/SetMem32.S  | 69 ---------------
 .../Library/BaseMemoryLibSse2/X64/SetMem64.S  | 60 -------------
 .../Library/BaseMemoryLibSse2/X64/ZeroMem.S   | 65 --------------
 23 files changed, 1417 deletions(-)
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/CompareMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem8.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/SetMem64.S
 delete mode 100644 MdePkg/Library/BaseMemoryLibSse2/X64/ZeroMem.S

diff --git a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf
index 771fddaa45..340ca15f06 100644
--- a/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf
+++ b/MdePkg/Library/BaseMemoryLibSse2/BaseMemoryLibSse2.inf
@@ -47,27 +47,16 @@
 
 [Sources.Ia32]
   Ia32/ScanMem64.nasm
-  Ia32/ScanMem64.S
   Ia32/ScanMem32.nasm
-  Ia32/ScanMem32.S
   Ia32/ScanMem16.nasm
-  Ia32/ScanMem16.S
   Ia32/ScanMem8.nasm
-  Ia32/ScanMem8.S
   Ia32/CompareMem.nasm
-  Ia32/CompareMem.S
   Ia32/ZeroMem.nasm
-  Ia32/ZeroMem.S
   Ia32/SetMem64.nasm
-  Ia32/SetMem64.S
   Ia32/SetMem32.nasm
-  Ia32/SetMem32.S
   Ia32/SetMem16.nasm
-  Ia32/SetMem16.S
   Ia32/SetMem.nasm
-  Ia32/SetMem.S
   Ia32/CopyMem.nasm
-  Ia32/CopyMem.S
   Ia32/ScanMem64.nasm
   Ia32/ScanMem32.nasm
   Ia32/ScanMem16.nasm
@@ -94,27 +83,16 @@
   X64/SetMem.nasm
   X64/CopyMem.nasm
   X64/ScanMem64.nasm
-  X64/ScanMem64.S
   X64/ScanMem32.nasm
-  X64/ScanMem32.S
   X64/ScanMem16.nasm
-  X64/ScanMem16.S
   X64/ScanMem8.nasm
-  X64/ScanMem8.S
   X64/CompareMem.nasm
-  X64/CompareMem.S
   X64/ZeroMem.nasm
-  X64/ZeroMem.S
   X64/SetMem64.nasm
-  X64/SetMem64.S
   X64/SetMem32.nasm
-  X64/SetMem32.S
   X64/SetMem16.nasm
-  X64/SetMem16.S
   X64/SetMem.nasm
-  X64/SetMem.S
   X64/CopyMem.nasm
-  X64/CopyMem.S
   X64/IsZeroBuffer.nasm
 
 [Packages]
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S
deleted file mode 100644
index b509586adb..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/CompareMem.S
+++ /dev/null
@@ -1,55 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.Asm
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID                *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCompareMem):
-    push    %esi
-    push    %edi
-    movl    12(%esp), %esi
-    movl    16(%esp), %edi
-    movl    20(%esp), %ecx
-    repe    cmpsb
-    movzbl  -1(%esi), %eax
-    movzbl  -1(%edi), %edx
-    subl    %edx, %eax
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.S
deleted file mode 100644
index 17414abd72..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/CopyMem.S
+++ /dev/null
@@ -1,85 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.asm
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemCopyMem):
-    push    %esi
-    push    %edi
-    movl    16(%esp), %esi              # esi <- Source
-    movl    12(%esp), %edi              # edi <- Destination
-    movl    20(%esp), %edx              # edx <- Count
-    leal    -1(%esi,%edx,), %eax        # eax <- End of Source
-    cmpl    %edi, %esi
-    jae     L0
-    cmpl    %edi, %eax                  # Overlapped?
-    jae     L_CopyBackward               # Copy backward if overlapped
-L0:
-    xorl    %ecx, %ecx
-    subl    %edi, %ecx
-    andl    $15, %ecx                   # ecx + edi aligns on 16-byte boundary
-    jz      L1
-    cmpl    %edx, %ecx
-    cmova   %edx, %ecx
-    subl    %ecx, %edx                  # edx <- remaining bytes to copy
-    rep
-    movsb
-L1:
-    movl    %edx, %ecx
-    andl    $15, %edx
-    shrl    $4, %ecx                    # ecx <- # of DQwords to copy
-    jz      L_CopyBytes
-    addl    $-16, %esp
-    movdqu  %xmm0, (%esp)
-L2:
-    movdqu  (%esi), %xmm0
-    movntdq %xmm0, (%edi)
-    addl    $16, %esi
-    addl    $16, %edi
-    loop    L2
-    mfence
-    movdqu  (%esp),%xmm0
-    addl    $16, %esp                   # stack cleanup
-    jmp     L_CopyBytes
-L_CopyBackward:
-    movl    %eax, %esi                  # esi <- Last byte in Source
-    leal    -1(%edi,%edx,), %edi        # edi <- Last byte in Destination
-    std
-L_CopyBytes:
-    movl    %edx, %ecx
-    rep
-    movsb
-    cld
-    movl    12(%esp), %eax              # eax <- Destination as return value
-    pop     %edi
-    pop     %esi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S
deleted file mode 100644
index e247d4ad09..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem16.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.Asm
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem16):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasw
-    leal    -2(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.S
deleted file mode 100644
index 066fde42ce..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem32.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.Asm
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem32):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movl    16(%esp), %eax
-    repne   scasl
-    leal    -4(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.S
deleted file mode 100644
index b3435d7fc3..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem64.S
+++ /dev/null
@@ -1,61 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.Asm
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem64):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    16(%esp), %eax
-    movl    20(%esp), %edx
-    movl    8(%esp), %edi
-L0:
-    cmpl    (%edi), %eax
-    leal    8(%edi), %edi
-    loopne  L0
-    jne     L1
-    cmpl    -4(%edi), %edx
-    jecxz   L1
-    jne     L0
-L1:
-    leal    -8(%edi), %eax
-    cmovne  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.S
deleted file mode 100644
index 5e451fd7b9..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ScanMem8.S
+++ /dev/null
@@ -1,52 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.Asm
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT8                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemScanMem8):
-    push    %edi
-    movl    12(%esp), %ecx
-    movl    8(%esp), %edi
-    movb    16(%esp), %al
-    repne   scasb
-    leal    -1(%edi), %eax
-    cmovnz  %ecx, %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S
deleted file mode 100644
index 63e2a993e7..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S
+++ /dev/null
@@ -1,76 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.asm
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-    #.MODEL flat,C
-    .xmm:
-    .code:
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  _mem_SetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-ASM_PFX(InternalMemSetMem):
-    push    %edi
-    movl    12(%esp), %edx              # edx <- Count
-    movl    8(%esp), %edi               # edi <- Buffer
-    movb    16(%esp), %al               # al <- Value
-    xorl    %ecx, %ecx
-    subl    %edi, %ecx
-    andl    $15, %ecx                   # ecx + edi aligns on 16-byte boundary
-    jz      L0
-    cmpl    %edx, %ecx
-    cmova   %edx, %ecx
-    subl    %ecx, %edx
-    rep
-    stosb
-L0:
-    movl    %edx, %ecx
-    andl    $15, %edx
-    shrl    $4, %ecx                    # ecx <- # of DQwords to set
-    jz      L_SetBytes
-    movb    %al, %ah                    # ax <- Value | (Value << 8)
-    addl    $-16, %esp
-    movdqu  %xmm0, (%esp)
-    movd    %eax, %xmm0
-    pshuflw $0, %xmm0, %xmm0
-    movlhps %xmm0, %xmm0
-L1:
-    movntdq %xmm0, (%edi)
-    addl    $16, %edi
-    loop   L1
-    mfence
-    movdqu  (%esp), %xmm0
-    addl    $16, %esp                   # stack cleanup
-L_SetBytes:
-    movl    %edx, %ecx
-    rep
-    stosb
-    movl    8(%esp), %eax               # eax <- Buffer as return value
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.S
deleted file mode 100644
index 9222a18b35..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem16.S
+++ /dev/null
@@ -1,69 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.asm
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem16):
-    push    %edi
-    movl    12(%esp), %edx
-    movl    8(%esp), %edi
-    xorl    %ecx, %ecx
-    subl    %edi, %ecx
-    andl    $15, %ecx                   # ecx + edi aligns on 16-byte boundary
-    movl    16(%esp), %eax
-    jz      L0
-    shrl    %ecx
-    cmpl    %edx, %ecx
-    cmova   %edx, %ecx
-    subl    %ecx, %edx
-    rep
-    stosw
-L0:
-    movl    %edx, %ecx
-    andl    $7, %edx
-    shrl    $3, %ecx
-    jz      L_SetWords
-    movd    %eax, %xmm0
-    pshuflw $0, %xmm0, %xmm0
-    movlhps %xmm0, %xmm0
-L1:
-    movntdq %xmm0, (%edi)
-    addl    $16, %edi
-    loop    L1
-    mfence
-L_SetWords:
-    movl    %edx, %ecx
-    rep
-    stosw
-    movl    8(%esp), %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S
deleted file mode 100644
index 0edbaa2046..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S
+++ /dev/null
@@ -1,68 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.asm
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem32):
-    push    %edi
-    movl    12(%esp), %edx
-    movl    8(%esp), %edi
-    xorl    %ecx, %ecx
-    subl    %edi, %ecx
-    andl    $15, %ecx                   # ecx + edi aligns on 16-byte boundary
-    movl    16(%esp), %eax
-    jz      L0
-    shrl    $2, %ecx
-    cmpl    %edx, %ecx
-    cmova   %edx, %ecx
-    subl    %ecx, %edx
-    rep
-    stosl
-L0:
-    movl    %edx, %ecx
-    andl    $3, %edx
-    shrl    $2, %ecx
-    jz      L_SetDwords
-    movd    %eax, %xmm0
-    pshufd  $0, %xmm0, %xmm0
-L1:
-    movntdq %xmm0, (%edi)
-    addl    $16, %edi
-    loop    L1
-    mfence
-L_SetDwords:
-    movl    %edx, %ecx
-    rep
-    stosl
-    movl    8(%esp), %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S
deleted file mode 100644
index c9e6d63788..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.S
+++ /dev/null
@@ -1,58 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.S
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemSetMem64):
-    movl    4(%esp), %eax
-    movl    8(%esp), %ecx
-    testb   $8, %al
-    movl    %eax, %edx
-    movq    0xc(%esp), %xmm0
-    jz      L1
-    movq    %xmm0, (%edx)
-    addl    $8, %edx
-    decl    %ecx
-L1:
-    shrl    %ecx
-    jz      L_SetQwords
-    movlhps %xmm0, %xmm0
-L2:
-    movntdq %xmm0, (%edx)
-    leal    16(%edx), %edx
-    loop    L2
-    mfence
-L_SetQwords:
-    jnc     L3
-    movq    %xmm0, (%edx)
-L3:
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.S
deleted file mode 100644
index fc9f0596d3..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/ZeroMem.S
+++ /dev/null
@@ -1,65 +0,0 @@
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.asm
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMemZeroMem):
-    push    %edi
-    movl    8(%esp), %edi
-    movl    12(%esp), %edx
-    xorl    %ecx, %ecx
-    subl    %edi, %ecx
-    xorl    %eax, %eax
-    andl    $15, %ecx
-    jz      L0
-    cmpl    %edx, %ecx
-    cmova   %edx, %ecx
-    subl    %ecx, %edx
-    rep
-    stosb
-L0:
-    movl    %edx, %ecx
-    andl    $15, %edx
-    shrl    $4, %ecx
-    jz      L_ZeroBytes
-    pxor    %xmm0, %xmm0
-L1:
-    movntdq %xmm0, (%edi)
-    addl    $16, %edi
-    loop    L1
-    mfence
-L_ZeroBytes:
-    movl    %edx, %ecx
-    rep
-    stosb
-    movl    8(%esp), %eax
-    pop     %edi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/CompareMem.S b/MdePkg/Library/BaseMemoryLibSse2/X64/CompareMem.S
deleted file mode 100644
index 26ed8dd866..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/CompareMem.S
+++ /dev/null
@@ -1,59 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CompareMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CompareMem.S
-#
-# Abstract:
-#
-#   CompareMem function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# INTN
-# EFIAPI
-# InternalMemCompareMem (
-#   IN      CONST VOID                *DestinationBuffer,
-#   IN      CONST VOID                *SourceBuffer,
-#   IN      UINTN                     Length
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCompareMem)
-ASM_PFX(InternalMemCompareMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rcx, %rsi
-    movq    %rdx, %rdi
-    movq    %r8, %rcx
-    repe    cmpsb
-    movzbq  -1(%rsi) , %rax
-    movzbq  -1(%rdi) , %rdx
-    subq    %rdx, %rax
-    popq    %rdi
-    popq    %rsi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S b/MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S
deleted file mode 100644
index bbe433d360..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/CopyMem.S
+++ /dev/null
@@ -1,83 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from CopyMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   CopyMem.S
-#
-# Abstract:
-#
-#   CopyMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemCopyMem (
-#    IN VOID   *Destination,
-#    IN VOID   *Source,
-#    IN UINTN  Count
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemCopyMem)
-ASM_PFX(InternalMemCopyMem):
-    pushq   %rsi
-    pushq   %rdi
-    movq    %rdx, %rsi                  # rsi <- Source
-    movq    %rcx, %rdi                  # rdi <- Destination
-    leaq    -1(%rsi, %r8,), %r9         # r9 <- Last byte of Source
-    cmpq    %rdi, %rsi
-    movq    %rdi, %rax                  # rax <- Destination as return value
-    jae     L0                          # Copy forward if Source > Destination
-    cmpq    %rdi, %r9                   # Overlapped?
-    jae     L_CopyBackward              # Copy backward if overlapped
-L0:
-    xorq    %rcx, %rcx
-    subq    %rdi, %rcx                  # rcx <- -rdi
-    andq    $15, %rcx                   # rcx + rsi should be 16 bytes aligned
-    jz      L1                          # skip if rcx == 0
-    cmpq    %r8, %rcx
-    cmova   %r8, %rcx
-    subq    %rcx, %r8
-    rep     movsb
-L1:
-    movq    %r8, %rcx
-    andq    $15, %r8
-    shrq    $4, %rcx                    # rcx <- # of DQwords to copy
-    jz      L_CopyBytes
-    movdqa  %xmm0, 0x18(%rsp)           # save xmm0 on stack
-L2:
-    movdqu  (%rsi), %xmm0               # rsi may not be 16-byte aligned
-    movntdq  %xmm0, (%rdi)              # rdi should be 16-byte aligned
-    addq    $16, %rsi
-    addq    $16, %rdi
-    loop    L2
-    mfence
-    movdqa  0x18(%rsp), %xmm0           # restore xmm0
-    jmp     L_CopyBytes                 # copy remaining bytes
-L_CopyBackward:
-    movq    %r9, %rsi                   # rsi <- Last byte of Source
-    leaq    -1(%rdi, %r8,), %rdi        # rdi <- Last byte of Destination
-    std
-L_CopyBytes:
-    movq    %r8, %rcx
-    rep     movsb
-    cld
-    popq    %rdi
-    popq    %rsi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem16.S b/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem16.S
deleted file mode 100644
index 282dc3cd12..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem16.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem16.S
-#
-# Abstract:
-#
-#   ScanMem16 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem16 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT16                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem16)
-ASM_PFX(InternalMemScanMem16):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasw
-    leaq    -2(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S b/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S
deleted file mode 100644
index eb91dafb85..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem32.S
-#
-# Abstract:
-#
-#   ScanMem32 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem32 (
-#   IN      CONST VOID          *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT32                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem32)
-ASM_PFX(InternalMemScanMem32):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasl
-    leaq    -4(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem64.S b/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem64.S
deleted file mode 100644
index 20d20aa3c3..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem64.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem64.S
-#
-# Abstract:
-#
-#   ScanMem64 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem64 (
-#   IN      CONST VOID          *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT64                    Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem64)
-ASM_PFX(InternalMemScanMem64):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasq
-    leaq    -8(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem8.S b/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem8.S
deleted file mode 100644
index b1715ea728..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem8.S
+++ /dev/null
@@ -1,56 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ScanMem8.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ScanMem8.S
-#
-# Abstract:
-#
-#   ScanMem8 function
-#
-# Notes:
-#
-#   The following BaseMemoryLib instances contain the same copy of this file:
-#
-#       BaseMemoryLibRepStr
-#       BaseMemoryLibMmx
-#       BaseMemoryLibSse2
-#       BaseMemoryLibOptDxe
-#       BaseMemoryLibOptPei
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-# CONST VOID *
-# EFIAPI
-# InternalMemScanMem8 (
-#   IN      CONST VOID                *Buffer,
-#   IN      UINTN                     Length,
-#   IN      UINT8                     Value
-#   );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
-ASM_PFX(InternalMemScanMem8):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdx, %rcx
-    movq    %r8, %rax
-    repne   scasb
-    leaq    -1(%rdi), %rax
-    cmovnz  %rcx, %rax                    # set rax to 0 if not found
-    popq    %rdi
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem.S b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem.S
deleted file mode 100644
index eb4ce80e1e..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem.S
+++ /dev/null
@@ -1,72 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem.S
-#
-# Abstract:
-#
-#   SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT8  Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-ASM_PFX(InternalMemSetMem):
-    pushq   %rdi
-    movq    %rcx, %rdi                  # rdi <- Buffer
-    movb    %r8b, %al                   # al <- Value
-    movq    %rdi, %r9                   # r9 <- Buffer as return value
-    xorq    %rcx, %rcx
-    subq    %rdi, %rcx
-    andq    $15, %rcx                   # rcx + rdi aligns on 16-byte boundary
-    jz      L0
-    cmpq    %rdx, %rcx
-    cmova   %rdx, %rcx
-    subq    %rcx, %rdx
-    rep     stosb
-L0:
-    movq    %rdx, %rcx
-    andq    $15, %rdx
-    shrq    $4, %rcx
-    jz      L_SetBytes
-    movb    %al, %ah                    # ax <- Value repeats twice
-    movdqa  %xmm0, 0x10(%rsp)           # save xmm0
-    movd    %eax, %xmm0                 # xmm0[0..16] <- Value repeats twice
-    pshuflw $0, %xmm0, %xmm0            # xmm0[0..63] <- Value repeats 8 times
-    movlhps %xmm0, %xmm0                # xmm0 <- Value repeats 16 times
-L1:
-    movntdq %xmm0, (%rdi)               # rdi should be 16-byte aligned
-    add     $16, %rdi
-    loop    L1
-    mfence
-    movdqa  0x10(%rsp), %xmm0           # restore xmm0
-L_SetBytes:
-    movl    %edx, %ecx                  # high 32 bits of rcx are always zero
-    rep     stosb
-    movq    %r9, %rax                   # rax <- Return value
-    popq    %rdi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S
deleted file mode 100644
index 74fef09255..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S
+++ /dev/null
@@ -1,70 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem16.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem16.S
-#
-# Abstract:
-#
-#   SetMem16 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem16 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT16 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem16)
-ASM_PFX(InternalMemSetMem16):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdi, %r9
-    xorq    %rcx, %rcx
-    subq    %rdi, %rcx
-    andq    $15, %rcx
-    movq    %r8, %rax
-    jz      L0
-    shrq    $1, %rcx
-    cmpq    %rdx, %rcx
-    cmova   %rdx, %rcx
-    subq    %rcx, %rdx
-    rep     stosw
-L0:
-    movq    %rdx, %rcx
-    andl    $7, %edx
-    shrq    $3, %rcx
-    jz      L_SetWords
-    movd    %eax, %xmm0
-    pshuflw $0, %xmm0, %xmm0
-    movlhps %xmm0, %xmm0
-L1:
-    movntdq %xmm0, (%rdi)
-    addq    $16, %rdi
-    loop    L1
-    mfence
-L_SetWords:
-    movl    %edx, %ecx
-    rep     stosw
-    movq    %r9, %rax
-    popq    %rdi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S
deleted file mode 100644
index 24103cf509..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S
+++ /dev/null
@@ -1,69 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem32.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem32.S
-#
-# Abstract:
-#
-#   SetMem32 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  EFIAPI
-#  InternalMemSetMem32 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT32 Value
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem32)
-ASM_PFX(InternalMemSetMem32):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    movq    %rdi, %r9
-    xorq    %rcx, %rcx
-    subq    %rdi, %rcx
-    andq    $15, %rcx
-    movq    %r8, %rax
-    jz      L0
-    shrq    $2, %rcx
-    cmpq    %rdx, %rcx
-    cmova   %rdx, %rcx
-    subq    %rcx, %rdx
-    rep     stosl
-L0:
-    movq    %rdx, %rcx
-    andl    $3, %edx
-    shrq    $2, %rcx
-    jz      L_SetDwords
-    movd    %eax, %xmm0
-    pshufd  $0, %xmm0, %xmm0
-L1:
-    movntdq %xmm0, (%rdi)
-    addq    $16, %rdi
-    loop    L1
-    mfence
-L_SetDwords:
-    movl    %edx, %ecx
-    rep     stosl
-    movq    %r9, %rax
-    popq    %rdi
-    ret
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem64.S b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem64.S
deleted file mode 100644
index c44ec08ae6..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem64.S
+++ /dev/null
@@ -1,60 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from SetMem64.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   SetMem64.S
-#
-# Abstract:
-#
-#   SetMem64 function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemSetMem64 (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count,
-#    IN UINT64 Value
-#    )
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem64)
-ASM_PFX(InternalMemSetMem64):
-    movq    %rcx, %rax                    # rax <- Buffer
-    xchgq   %rdx, %rcx                    # rcx <- Count & rdx <- Buffer
-    testb   $8, %dl
-    movd    %r8, %xmm0
-    jz      L0
-    movq    %r8, (%rdx)
-    addq    $8, %rdx
-    decq    %rcx
-L0:
-    shrq    $1, %rcx
-    jz      L_SetQwords
-    movlhps %xmm0, %xmm0
-L1:
-    movntdq %xmm0, (%rdx)
-    leaq    16(%rdx), %rdx
-    loop    L1
-    mfence
-L_SetQwords:
-    jnc     L2
-    movq    %r8, (%rdx)
-L2:
-    ret
-
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/ZeroMem.S b/MdePkg/Library/BaseMemoryLibSse2/X64/ZeroMem.S
deleted file mode 100644
index 3b00ce7309..0000000000
--- a/MdePkg/Library/BaseMemoryLibSse2/X64/ZeroMem.S
+++ /dev/null
@@ -1,65 +0,0 @@
-#
-# ConvertAsm.py: Automatically generated from ZeroMem.asm
-#
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution.  The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php.
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-# Module Name:
-#
-#   ZeroMem.S
-#
-# Abstract:
-#
-#   ZeroMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
-#------------------------------------------------------------------------------
-#  VOID *
-#  InternalMemZeroMem (
-#    IN VOID   *Buffer,
-#    IN UINTN  Count
-#    );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemZeroMem)
-ASM_PFX(InternalMemZeroMem):
-    pushq   %rdi
-    movq    %rcx, %rdi
-    xorq    %rcx, %rcx
-    xorl    %eax, %eax
-    subq    %rdi, %rcx
-    andq    $15, %rcx
-    movq    %rdi, %r8
-    jz      L0
-    cmpq    %rdx, %rcx
-    cmova   %rdx, %rcx
-    subq    %rcx, %rdx
-    rep     stosb
-L0:
-    movq    %rdx, %rcx
-    andl    $15, %edx
-    shrq    $4, %rcx
-    jz      L_ZeroBytes
-    pxor    %xmm0, %xmm0
-L1:
-    movntdq %xmm0, (%rdi)                 # rdi should be 16-byte aligned
-    addq    $16, %rdi
-    loop    L1
-    mfence
-L_ZeroBytes:
-    movl    %edx, %ecx
-    rep     stosb
-    movq    %r8, %rax
-    popq    %rdi
-    ret
-- 
2.18.0.windows.1



^ permalink raw reply related	[flat|nested] 13+ messages in thread

* Re: [PATCH v2 01/10] UefiCpuPkg/SmmCpuFeaturesLib: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 ` [PATCH v2 01/10] UefiCpuPkg/SmmCpuFeaturesLib: Remove .S files for IA32 and X64 arch Shenglei Zhang
@ 2019-03-20  6:54   ` Dong, Eric
  0 siblings, 0 replies; 13+ messages in thread
From: Dong, Eric @ 2019-03-20  6:54 UTC (permalink / raw)
  To: Zhang, Shenglei, edk2-devel@lists.01.org

Reviewed-by: Eric Dong <eric.dong@intel.com>

> -----Original Message-----
> From: Zhang, Shenglei
> Sent: Tuesday, March 19, 2019 2:59 PM
> To: edk2-devel@lists.01.org
> Cc: Dong, Eric <eric.dong@intel.com>; Ni, Ray <ray.ni@intel.com>
> Subject: [PATCH v2 01/10] UefiCpuPkg/SmmCpuFeaturesLib: Remove .S files
> for IA32 and X64 arch
> 
> .nasm file has been added for X86 arch. .S assembly code is not required any
> more.
> https://bugzilla.tianocore.org/show_bug.cgi?id=1594
> 
> Cc: Eric Dong <eric.dong@intel.com>
> Cc: Ray Ni <ray.ni@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
> ---
>  .../Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S | 278 -----------------
>  .../SmmCpuFeaturesLib/Ia32/SmiException.S     | 174 -----------
>  .../SmmCpuFeaturesLibStm.inf                  |   6 -
>  .../Library/SmmCpuFeaturesLib/X64/SmiEntry.S  | 282 ------------------
>  .../SmmCpuFeaturesLib/X64/SmiException.S      | 178 -----------
>  5 files changed, 918 deletions(-)
>  delete mode 100644
> UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S
>  delete mode 100644
> UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiException.S
>  delete mode 100644
> UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiEntry.S
>  delete mode 100644
> UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiException.S
> 
> diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S
> b/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S
> deleted file mode 100644
> index 4c0f8c8933..0000000000
> --- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiEntry.S
> +++ /dev/null
> @@ -1,278 +0,0 @@
> -#------------------------------------------------------------------------------
> -#
> -# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR> -#
> This program and the accompanying materials -# are licensed and made
> available under the terms and conditions of the BSD License -# which
> accompanies this distribution.  The full text of the license may be found at -#
> http://opensource.org/licenses/bsd-license.php.
> -#
> -# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> BASIS, -# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND,
> EITHER EXPRESS OR IMPLIED.
> -#
> -# Module Name:
> -#
> -#   SmiEntry.S
> -#
> -# Abstract:
> -#
> -#   Code template of the SMI handler for a particular processor
> -#
> -#------------------------------------------------------------------------------
> -
> -ASM_GLOBAL  ASM_PFX(gcStmSmiHandlerTemplate) -ASM_GLOBAL
> ASM_PFX(gcStmSmiHandlerSize) -ASM_GLOBAL
> ASM_PFX(gcStmSmiHandlerOffset) -ASM_GLOBAL  ASM_PFX(gStmSmiCr3) -
> ASM_GLOBAL  ASM_PFX(gStmSmiStack) -ASM_GLOBAL
> ASM_PFX(gStmSmbase) -ASM_GLOBAL  ASM_PFX(gStmXdSupported) -
> ASM_GLOBAL  ASM_PFX(FeaturePcdGet (PcdCpuSmmStackGuard)) -
> ASM_GLOBAL  ASM_PFX(gStmSmiHandlerIdtr)
> -
> -.equ            MSR_IA32_MISC_ENABLE, 0x1A0
> -.equ            MSR_EFER, 0xc0000080
> -.equ            MSR_EFER_XD, 0x800
> -
> -#
> -# Constants relating to TXT_PROCESSOR_SMM_DESCRIPTOR -#
> -.equ            DSC_OFFSET, 0xfb00
> -.equ            DSC_GDTPTR, 0x48
> -.equ            DSC_GDTSIZ, 0x50
> -.equ            DSC_CS, 0x14
> -.equ            DSC_DS, 0x16
> -.equ            DSC_SS, 0x18
> -.equ            DSC_OTHERSEG, 0x1A
> -
> -.equ            PROTECT_MODE_CS, 0x08
> -.equ            PROTECT_MODE_DS, 0x20
> -.equ            TSS_SEGMENT,     0x40
> -
> -    .text
> -ASM_PFX(gcStmSmiHandlerTemplate):
> -
> -_StmSmiEntryPoint:
> -    .byte 0xbb                          # mov bx, imm16
> -    .word _StmGdtDesc - _StmSmiEntryPoint + 0x8000
> -    .byte 0x2e,0xa1                     # mov ax, cs:[offset16]
> -    .word DSC_OFFSET + DSC_GDTSIZ
> -    decl    %eax
> -    movl    %eax, %cs:(%edi)            # mov cs:[bx], ax
> -    .byte 0x66,0x2e,0xa1                # mov eax, cs:[offset16]
> -    .word   DSC_OFFSET + DSC_GDTPTR
> -    movw    %ax, %cs:2(%edi)
> -    movw    %ax, %bp                    # ebp = GDT base
> -    .byte 0x66
> -    lgdt    %cs:(%edi)
> -# Patch ProtectedMode Segment
> -    .byte   0xb8                        # mov ax, imm16
> -    .word   PROTECT_MODE_CS             # set AX for segment directly
> -    movl    %eax, %cs:-2(%edi)          # mov cs:[bx - 2], ax
> -# Patch ProtectedMode entry
> -    .byte 0x66, 0xbf                    # mov edi, SMBASE
> -ASM_PFX(gStmSmbase): .space 4
> -    .byte 0x67
> -    lea     ((Start32bit - _StmSmiEntryPoint) + 0x8000)(%edi), %ax
> -    movw     %ax, %cs:-6(%edi)
> -    movl    %cr0, %ebx
> -    .byte 0x66
> -    andl    $0x9ffafff3, %ebx
> -    .byte 0x66
> -    orl     $0x23, %ebx
> -    movl    %ebx, %cr0
> -    .byte 0x66,0xea
> -    .space  4
> -    .space  2
> -_StmGdtDesc:   .space 4
> -            .space 2
> -
> -Start32bit:
> -    movw    $PROTECT_MODE_DS, %ax
> -    movl    %eax,%ds
> -    movl    %eax,%es
> -    movl    %eax,%fs
> -    movl    %eax,%gs
> -    movl    %eax,%ss
> -    .byte   0xbc                          # mov esp, imm32
> -ASM_PFX(gStmSmiStack): .space 4
> -    movl    $ASM_PFX(gStmSmiHandlerIdtr), %eax
> -    lidt    (%eax)
> -    jmp     ProtFlatMode
> -
> -ProtFlatMode:
> -    .byte   0xb8                           # mov eax, imm32
> -ASM_PFX(gStmSmiCr3): .space 4
> -    movl    %eax, %cr3
> -#
> -# Need to test for CR4 specific bit support -#
> -    movl    $1, %eax
> -    cpuid                                  # use CPUID to determine if specific CR4 bits are
> supported
> -    xorl    %eax, %eax                     # Clear EAX
> -    testl   $BIT2, %edx                    # Check for DE capabilities
> -    jz      L8
> -    orl     $BIT3, %eax
> -L8:
> -    testl   $BIT6, %edx                    # Check for PAE capabilities
> -    jz      L9
> -    orl     $BIT5, %eax
> -L9:
> -    testl   $BIT7, %edx                    # Check for MCE capabilities
> -    jz      L10
> -    orl     $BIT6, %eax
> -L10:
> -    testl   $BIT24, %edx                   # Check for FXSR capabilities
> -    jz      L11
> -    orl     $BIT9, %eax
> -L11:
> -    testl   $BIT25, %edx                   # Check for SSE capabilities
> -    jz      L12
> -    orl     $BIT10, %eax
> -L12:                                       # as cr4.PGE is not set here, refresh cr3
> -    movl    %eax, %cr4                     # in PreModifyMtrrs() to flush TLB.
> -
> -    cmpb    $0, ASM_PFX(FeaturePcdGet (PcdCpuSmmStackGuard))
> -    jz      L5
> -# Load TSS
> -    movb    $0x89, (TSS_SEGMENT + 5)(%ebp) # clear busy flag
> -    movl    $TSS_SEGMENT, %eax
> -    ltrw    %ax
> -L5:
> -
> -# enable NXE if supported
> -    .byte   0xb0                           # mov al, imm8
> -ASM_PFX(gStmXdSupported): .byte 1
> -    cmpb    $0, %al
> -    jz      SkipXd
> -#
> -# Check XD disable bit
> -#
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    pushl   %edx                           # save MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx                    # MSR_IA32_MISC_ENABLE[34]
> -    jz      L13
> -    andw    $0x0FFFB, %dx                  # clear XD Disable bit if it is set
> -    wrmsr
> -L13:
> -    movl    $MSR_EFER, %ecx
> -    rdmsr
> -    orw     $MSR_EFER_XD,%ax               # enable NXE
> -    wrmsr
> -    jmp     XdDone
> -SkipXd:
> -    subl    $4, %esp
> -XdDone:
> -
> -    movl    %cr0, %ebx
> -    orl     $0x080010023, %ebx             # enable paging + WP + NE + MP + PE
> -    movl    %ebx, %cr0
> -    leal    DSC_OFFSET(%edi),%ebx
> -    movw    DSC_DS(%ebx),%ax
> -    movl    %eax, %ds
> -    movw    DSC_OTHERSEG(%ebx),%ax
> -    movl    %eax, %es
> -    movl    %eax, %fs
> -    movl    %eax, %gs
> -    movw    DSC_SS(%ebx),%ax
> -    movl    %eax, %ss
> -
> -CommonHandler:
> -    movl    4(%esp), %ebx
> -
> -    pushl   %ebx
> -    movl    $ASM_PFX(CpuSmmDebugEntry), %eax
> -    call    *%eax
> -    addl    $4, %esp
> -
> -    pushl   %ebx
> -    movl    $ASM_PFX(SmiRendezvous), %eax
> -    call    *%eax
> -    addl    $4, %esp
> -
> -    pushl   %ebx
> -    movl    $ASM_PFX(CpuSmmDebugExit), %eax
> -    call    *%eax
> -    addl    $4, %esp
> -
> -    movl    $ASM_PFX(gStmXdSupported), %eax
> -    movb    (%eax), %al
> -    cmpb    $0, %al
> -    jz      L16
> -    popl    %edx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx
> -    jz      L16
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering
> into SMM
> -    wrmsr
> -
> -L16:
> -    rsm
> -
> -_StmSmiHandler:
> -#
> -# Check XD disable bit
> -#
> -    xorl    %esi, %esi
> -    movl    $ASM_PFX(gStmXdSupported), %eax
> -    movb    (%eax), %al
> -    cmpb    $0, %al
> -    jz      StmXdDone
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    movl    %edx, %esi                     # save MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx                    # MSR_IA32_MISC_ENABLE[34]
> -    jz      L14
> -    andw    $0x0FFFB, %dx                  # clear XD Disable bit if it is set
> -    wrmsr
> -L14:
> -    movl    $MSR_EFER, %ecx
> -    rdmsr
> -    orw     $MSR_EFER_XD,%ax               # enable NXE
> -    wrmsr
> -StmXdDone:
> -    push    %esi
> -
> -    # below step is needed, because STM does not run above code.
> -    # we have to run below code to set IDT/CR0/CR4
> -    movl    $ASM_PFX(gStmSmiHandlerIdtr), %eax
> -    lidt    (%eax)
> -
> -    movl    %cr0, %eax
> -    orl     $0x80010023, %eax           # enable paging + WP + NE + MP + PE
> -    movl    %eax, %cr0
> -#
> -# Need to test for CR4 specific bit support -#
> -    movl    $1, %eax
> -    cpuid                               # use CPUID to determine if specific CR4 bits are
> supported
> -    movl    %cr4, %eax                  # init EAX
> -    testl   $BIT2, %edx                 # Check for DE capabilities
> -    jz      L28
> -    orl     $BIT3, %eax
> -L28:
> -    testl   $BIT6, %edx                 # Check for PAE capabilities
> -    jz      L29
> -    orl     $BIT5, %eax
> -L29:
> -    testl   $BIT7, %edx                 # Check for MCE capabilities
> -    jz      L30
> -    orl     $BIT6, %eax
> -L30:
> -    testl   $BIT24, %edx                # Check for FXSR capabilities
> -    jz      L31
> -    orl     $BIT9, %eax
> -L31:
> -    testl   $BIT25, %edx                # Check for SSE capabilities
> -    jz      L32
> -    orl     $BIT10, %eax
> -L32:                                    # as cr4.PGE is not set here, refresh cr3
> -    movl    %eax, %cr4                  # in PreModifyMtrrs() to flush TLB.
> -    # STM init finish
> -    jmp     CommonHandler
> -
> -
> -ASM_PFX(gcStmSmiHandlerSize)  :  .word      . - _StmSmiEntryPoint
> -ASM_PFX(gcStmSmiHandlerOffset):  .word      _StmSmiHandler -
> _StmSmiEntryPoint
> -
> diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiException.S
> b/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiException.S
> deleted file mode 100644
> index 7d0057af80..0000000000
> --- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/Ia32/SmiException.S
> +++ /dev/null
> @@ -1,174 +0,0 @@
> -#------------------------------------------------------------------------------
> -#
> -# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR> -#
> This program and the accompanying materials -# are licensed and made
> available under the terms and conditions of the BSD License -# which
> accompanies this distribution.  The full text of the license may be found at -#
> http://opensource.org/licenses/bsd-license.php.
> -#
> -# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> BASIS, -# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND,
> EITHER EXPRESS OR IMPLIED.
> -#
> -# Module Name:
> -#
> -#   SmiException.S
> -#
> -# Abstract:
> -#
> -#   Exception handlers used in SM mode
> -#
> -#------------------------------------------------------------------------------
> -
> -ASM_GLOBAL  ASM_PFX(gcStmPsd)
> -
> -ASM_GLOBAL  ASM_PFX(SmmStmExceptionHandler) -ASM_GLOBAL
> ASM_PFX(SmmStmSetup) -ASM_GLOBAL  ASM_PFX(SmmStmTeardown)
> -
> -.equ  MSR_IA32_MISC_ENABLE, 0x1A0
> -.equ  MSR_EFER,             0xc0000080
> -.equ  MSR_EFER_XD,          0x800
> -
> -.equ  CODE_SEL,          0x08
> -.equ  DATA_SEL,          0x20
> -.equ  TSS_SEL,           0x40
> -
> -    .data
> -
> -ASM_PFX(gcStmPsd):
> -            .ascii  "TXTPSSIG"
> -            .word      PSD_SIZE
> -            .word      1              # Version
> -            .long      0              # LocalApicId
> -            .byte      0x5            #
> Cr4Pse;Cr4Pae;Intel64Mode;ExecutionDisableOutsideSmrr
> -            .byte      0              # BIOS to STM
> -            .byte      0              # STM to BIOS
> -            .byte      0
> -            .word      CODE_SEL
> -            .word      DATA_SEL
> -            .word      DATA_SEL
> -            .word      DATA_SEL
> -            .word      TSS_SEL
> -            .word      0
> -            .quad      0              # SmmCr3
> -            .long      ASM_PFX(_OnStmSetup)
> -            .long      0
> -            .long      ASM_PFX(_OnStmTeardown)
> -            .long      0
> -            .quad      0              # SmmSmiHandlerRip - SMM guest entrypoint
> -            .quad      0              # SmmSmiHandlerRsp
> -            .quad      0
> -            .long      0
> -            .long      0x80010100     # RequiredStmSmmRevId
> -            .long      ASM_PFX(_OnException)
> -            .long      0
> -            .quad      0              # ExceptionStack
> -            .word      DATA_SEL
> -            .word      0x1F           # ExceptionFilter
> -            .long      0
> -            .quad      0
> -            .quad      0              # BiosHwResourceRequirementsPtr
> -            .quad      0              # AcpiRsdp
> -            .byte      0              # PhysicalAddressBits
> -.equ  PSD_SIZE,  . - ASM_PFX(gcStmPsd)
> -
> -    .text
> -
> -#------------------------------------------------------------------------------
> -# SMM Exception handlers
> -#------------------------------------------------------------------------------
> -ASM_GLOBAL ASM_PFX(_OnException)
> -ASM_PFX(_OnException):
> -    movl  %esp, %ecx
> -    pushl %ecx
> -    call  ASM_PFX(SmmStmExceptionHandler)
> -    addl  $4, %esp
> -
> -    movl  %eax, %ebx
> -    movl  $4, %eax
> -    .byte 0xf, 0x1, 0xc1 # VMCALL
> -    jmp .
> -
> -ASM_GLOBAL ASM_PFX(_OnStmSetup)
> -ASM_PFX(_OnStmSetup):
> -#
> -# Check XD disable bit
> -#
> -    xorl    %esi, %esi
> -    movl    $ASM_PFX(gStmXdSupported), %eax
> -    movb    (%eax), %al
> -    cmpb    $0, %al
> -    jz      StmXdDone1
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    movl    %edx, %esi                     # save MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx                    # MSR_IA32_MISC_ENABLE[34]
> -    jz      L13
> -    andw    $0x0FFFB, %dx                  # clear XD Disable bit if it is set
> -    wrmsr
> -L13:
> -    movl    $MSR_EFER, %ecx
> -    rdmsr
> -    orw     $MSR_EFER_XD,%ax               # enable NXE
> -    wrmsr
> -StmXdDone1:
> -    push    %esi
> -
> -  call ASM_PFX(SmmStmSetup)
> -
> -    movl    $ASM_PFX(gStmXdSupported), %eax
> -    movb    (%eax), %al
> -    cmpb    $0, %al
> -    jz      L14
> -    popl    %edx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx
> -    jz      L14
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering
> into SMM
> -    wrmsr
> -L14:
> -
> -  rsm
> -
> -ASM_GLOBAL ASM_PFX(_OnStmTeardown)
> -ASM_PFX(_OnStmTeardown):
> -#
> -# Check XD disable bit
> -#
> -    xorl    %esi, %esi
> -    movl    $ASM_PFX(gStmXdSupported), %eax
> -    movb    (%eax), %al
> -    cmpb    $0, %al
> -    jz      StmXdDone2
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    movl    %edx, %esi                     # save MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx                    # MSR_IA32_MISC_ENABLE[34]
> -    jz      L15
> -    andw    $0x0FFFB, %dx                  # clear XD Disable bit if it is set
> -    wrmsr
> -L15:
> -    movl    $MSR_EFER, %ecx
> -    rdmsr
> -    orw     $MSR_EFER_XD,%ax               # enable NXE
> -    wrmsr
> -StmXdDone2:
> -    push    %esi
> -
> -  call ASM_PFX(SmmStmTeardown)
> -
> -    movl    $ASM_PFX(gStmXdSupported), %eax
> -    movb    (%eax), %al
> -    cmpb    $0, %al
> -    jz      L16
> -    popl    %edx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx
> -    jz      L16
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering
> into SMM
> -    wrmsr
> -L16:
> -
> -  rsm
> diff --git
> a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibStm.inf
> b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibStm.inf
> index c700644427..7fd0cc5d04 100644
> --- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibStm.inf
> +++ b/UefiCpuPkg/Library/SmmCpuFeaturesLib/SmmCpuFeaturesLibStm.inf
> @@ -35,9 +35,6 @@
>    Ia32/SmiEntry.nasm
>    Ia32/SmiException.nasm
> 
> -  Ia32/SmiEntry.S
> -  Ia32/SmiException.S
> -
>  [Sources.X64]
>    X64/SmmStmSupport.c
> 
> @@ -45,9 +42,6 @@
>    X64/SmiEntry.nasm
>    X64/SmiException.nasm
> 
> -  X64/SmiEntry.S
> -  X64/SmiException.S
> -
>  [Packages]
>    MdePkg/MdePkg.dec
>    MdeModulePkg/MdeModulePkg.dec
> diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiEntry.S
> b/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiEntry.S
> deleted file mode 100644
> index 1f9f91ce10..0000000000
> --- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiEntry.S
> +++ /dev/null
> @@ -1,282 +0,0 @@
> -#------------------------------------------------------------------------------
> -#
> -# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR> -#
> This program and the accompanying materials -# are licensed and made
> available under the terms and conditions of the BSD License -# which
> accompanies this distribution.  The full text of the license may be found at -#
> http://opensource.org/licenses/bsd-license.php.
> -#
> -# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> BASIS, -# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND,
> EITHER EXPRESS OR IMPLIED.
> -#
> -# Module Name:
> -#
> -#   SmiEntry.S
> -#
> -# Abstract:
> -#
> -#   Code template of the SMI handler for a particular processor
> -#
> -#------------------------------------------------------------------------------
> -
> -ASM_GLOBAL  ASM_PFX(gcStmSmiHandlerTemplate) -ASM_GLOBAL
> ASM_PFX(gcStmSmiHandlerSize) -ASM_GLOBAL
> ASM_PFX(gcStmSmiHandlerOffset) -ASM_GLOBAL  ASM_PFX(gStmSmiCr3) -
> ASM_GLOBAL  ASM_PFX(gStmSmiStack) -ASM_GLOBAL
> ASM_PFX(gStmSmbase) -ASM_GLOBAL  ASM_PFX(gStmXdSupported) -
> ASM_GLOBAL  ASM_PFX(gStmSmiHandlerIdtr)
> -
> -.equ            MSR_IA32_MISC_ENABLE, 0x1A0
> -.equ            MSR_EFER, 0xc0000080
> -.equ            MSR_EFER_XD, 0x800
> -
> -#
> -# Constants relating to TXT_PROCESSOR_SMM_DESCRIPTOR -#
> -.equ            DSC_OFFSET, 0xfb00
> -.equ            DSC_GDTPTR, 0x48
> -.equ            DSC_GDTSIZ, 0x50
> -.equ            DSC_CS, 0x14
> -.equ            DSC_DS, 0x16
> -.equ            DSC_SS, 0x18
> -.equ            DSC_OTHERSEG, 0x1a
> -#
> -# Constants relating to CPU State Save Area -#
> -.equ            SSM_DR6,   0xffd0
> -.equ            SSM_DR7,   0xffc8
> -
> -.equ            PROTECT_MODE_CS, 0x08
> -.equ            PROTECT_MODE_DS, 0x20
> -.equ            LONG_MODE_CS, 0x38
> -.equ            TSS_SEGMENT, 0x40
> -.equ            GDT_SIZE, 0x50
> -
> -    .text
> -
> -ASM_PFX(gcStmSmiHandlerTemplate):
> -
> -_StmSmiEntryPoint:
> -    #
> -    # The encoding of BX in 16-bit addressing mode is the same as of RDI in 64-
> -    # bit addressing mode. And that coincidence has been used in the
> following
> -    # "64-bit like" 16-bit code. Be aware that once RDI is referenced as a
> -    # base address register, it is actually BX that is referenced.
> -    #
> -    .byte 0xbb                          # mov bx, imm16
> -    .word _StmGdtDesc - _StmSmiEntryPoint + 0x8000
> -    #
> -    # fix GDT descriptor
> -    #
> -    .byte 0x2e,0xa1                     # mov ax, cs:[offset16]
> -    .word      DSC_OFFSET + DSC_GDTSIZ
> -    .byte 0x48                          # dec ax
> -    .byte 0x2e
> -    movl    %eax, (%rdi)                # mov cs:[bx], ax
> -    .byte 0x66,0x2e,0xa1                # mov eax, cs:[offset16]
> -    .word      DSC_OFFSET + DSC_GDTPTR
> -    .byte 0x2e
> -    movw    %ax, 2(%rdi)
> -    .byte 0x66,0x2e
> -    lgdt    (%rdi)
> -    #
> -    # Patch ProtectedMode Segment
> -    #
> -    .byte 0xb8
> -    .word PROTECT_MODE_CS
> -    .byte 0x2e
> -    movl    %eax, -2(%rdi)
> -    #
> -    # Patch ProtectedMode entry
> -    #
> -    .byte 0x66, 0xbf                    # mov edi, SMBASE
> -ASM_PFX(gStmSmbase): .space 4
> -    lea     ((ProtectedMode - _StmSmiEntryPoint) + 0x8000)(%edi), %ax
> -    .byte 0x2e
> -    movw    %ax, -6(%rdi)
> -    #
> -    # Switch into ProtectedMode
> -    #
> -    movq    %cr0, %rbx
> -    .byte 0x66
> -    andl    $0x9ffafff3, %ebx
> -    .byte 0x66
> -    orl     $0x00000023, %ebx
> -
> -    movq    %rbx, %cr0
> -    .byte 0x66, 0xea
> -    .space 6
> -
> -_StmGdtDesc:    .space  6
> -
> -ProtectedMode:
> -    movw    $PROTECT_MODE_DS, %ax
> -    movl    %eax, %ds
> -    movl    %eax, %es
> -    movl    %eax, %fs
> -    movl    %eax, %gs
> -    movl    %eax, %ss
> -    .byte   0xbc                       # mov esp, imm32
> -ASM_PFX(gStmSmiStack):   .space  4
> -    jmp     ProtFlatMode
> -
> -ProtFlatMode:
> -    .byte   0xb8
> -ASM_PFX(gStmSmiCr3):    .space  4
> -    movq    %rax, %cr3
> -    movl    $0x668,%eax                 # as cr4.PGE is not set here, refresh cr3
> -    movq    %rax, %cr4                  # in PreModifyMtrrs() to flush TLB.
> -# Load TSS
> -    subl    $8, %esp                    # reserve room in stack
> -    sgdt    (%rsp)
> -    movl    2(%rsp), %eax               # eax = GDT base
> -    addl    $8, %esp
> -    movb    $0x89, %dl
> -    movb    %dl, (TSS_SEGMENT + 5)(%rax) # clear busy flag
> -    movl    $TSS_SEGMENT, %eax
> -    ltr     %ax
> -
> -# enable NXE if supported
> -    .byte   0xb0                        # mov al, imm8
> -ASM_PFX(gStmXdSupported): .byte 1
> -    cmpb    $0, %al
> -    jz      SkipXd
> -#
> -# Check XD disable bit
> -#
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    subl    $4, %esp
> -    pushq   %rdx                       # save MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx                # MSR_IA32_MISC_ENABLE[34]
> -    jz      L13
> -    andw    $0x0FFFB, %dx              # clear XD Disable bit if it is set
> -    wrmsr
> -L13:
> -    movl    $MSR_EFER, %ecx
> -    rdmsr
> -    orw     $MSR_EFER_XD,%ax            # enable NXE
> -    wrmsr
> -    jmp     XdDone
> -SkipXd:
> -    subl    $8, %esp
> -XdDone:
> -
> -    #
> -    # Switch to LongMode
> -    #
> -    pushq    $LONG_MODE_CS                # push cs hardcore here
> -    call     Base                         # push return address for retf later
> -Base:
> -    addl    $(LongMode - Base), (%rsp)  # offset for far retf, seg is the 1st arg
> -
> -    movl    $MSR_EFER, %ecx
> -    rdmsr
> -    orb     $1,%ah                      # enable LME
> -    wrmsr
> -    movq    %cr0, %rbx
> -    orl     $0x080010023, %ebx          # enable paging + WP + NE + MP + PE
> -    movq    %rbx, %cr0
> -    retf
> -LongMode:                               # long mode (64-bit code) starts here
> -    movabsq $ASM_PFX(gStmSmiHandlerIdtr), %rax
> -    lidt    (%rax)
> -    lea     (DSC_OFFSET)(%rdi), %ebx
> -    movw    DSC_DS(%rbx), %ax
> -    movl    %eax,%ds
> -    movw    DSC_OTHERSEG(%rbx), %ax
> -    movl    %eax,%es
> -    movl    %eax,%fs
> -    movl    %eax,%gs
> -    movw    DSC_SS(%rbx), %ax
> -    movl    %eax,%ss
> -
> -CommonHandler:
> -    movq    8(%rsp), %rbx
> -    # Save FP registers
> -
> -    subq    $0x200, %rsp
> -    .byte   0x48                        # FXSAVE64
> -    fxsave  (%rsp)
> -
> -    addq    $-0x20, %rsp
> -
> -    movq    %rbx, %rcx
> -    movabsq $ASM_PFX(CpuSmmDebugEntry), %rax
> -    call    *%rax
> -
> -    movq    %rbx, %rcx
> -    movabsq $ASM_PFX(SmiRendezvous), %rax
> -    call    *%rax
> -
> -    movq    %rbx, %rcx
> -    movabsq $ASM_PFX(CpuSmmDebugExit), %rax
> -    call    *%rax
> -
> -    addq    $0x20, %rsp
> -
> -    #
> -    # Restore FP registers
> -    #
> -    .byte   0x48                        # FXRSTOR64
> -    fxrstor (%rsp)
> -
> -    addq    $0x200, %rsp
> -
> -    movabsq $ASM_PFX(gStmXdSupported), %rax
> -    movb    (%rax), %al
> -    cmpb    $0, %al
> -    jz      L16
> -    popq    %rdx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx
> -    jz      L16
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering
> into SMM
> -    wrmsr
> -
> -L16:
> -    rsm
> -
> -_StmSmiHandler:
> -#
> -# Check XD disable bit
> -#
> -    xorq    %r8, %r8
> -    movabsq $ASM_PFX(gStmXdSupported), %rax
> -    movb    (%rax), %al
> -    cmpb    $0, %al
> -    jz      StmXdDone
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    movq    %rdx, %r8                  # save MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx                # MSR_IA32_MISC_ENABLE[34]
> -    jz      L14
> -    andw    $0x0FFFB, %dx              # clear XD Disable bit if it is set
> -    wrmsr
> -L14:
> -    movl    $MSR_EFER, %ecx
> -    rdmsr
> -    orw     $MSR_EFER_XD,%ax            # enable NXE
> -    wrmsr
> -StmXdDone:
> -    pushq   %r8
> -
> -    # below step is needed, because STM does not run above code.
> -    # we have to run below code to set IDT/CR0/CR4
> -    movabsq $ASM_PFX(gStmSmiHandlerIdtr), %rax
> -    lidt    (%rax)
> -
> -    movq    %cr0, %rax
> -    orl     $0x80010023, %eax
> -    movq    %rax, %cr0
> -    movq    %cr4, %rax
> -    movl    $0x668, %eax                # as cr4.PGE is not set here, refresh cr3
> -    movq    %rax, %cr4                  # in PreModifyMtrrs() to flush TLB.
> -    # STM init finish
> -    jmp     CommonHandler
> -
> -ASM_PFX(gcStmSmiHandlerSize)  :  .word      . - _StmSmiEntryPoint
> -ASM_PFX(gcStmSmiHandlerOffset):  .word      _StmSmiHandler -
> _StmSmiEntryPoint
> diff --git a/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiException.S
> b/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiException.S
> deleted file mode 100644
> index 4d0cd9ac6f..0000000000
> --- a/UefiCpuPkg/Library/SmmCpuFeaturesLib/X64/SmiException.S
> +++ /dev/null
> @@ -1,178 +0,0 @@
> -#------------------------------------------------------------------------------
> -#
> -# Copyright (c) 2009 - 2016, Intel Corporation. All rights reserved.<BR> -#
> This program and the accompanying materials -# are licensed and made
> available under the terms and conditions of the BSD License -# which
> accompanies this distribution.  The full text of the license may be found at -#
> http://opensource.org/licenses/bsd-license.php.
> -#
> -# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> BASIS, -# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND,
> EITHER EXPRESS OR IMPLIED.
> -#
> -# Module Name:
> -#
> -#   SmiException.S
> -#
> -# Abstract:
> -#
> -#   Exception handlers used in SM mode
> -#
> -#------------------------------------------------------------------------------
> -
> -ASM_GLOBAL  ASM_PFX(gcStmPsd)
> -
> -ASM_GLOBAL  ASM_PFX(SmmStmExceptionHandler) -ASM_GLOBAL
> ASM_PFX(SmmStmSetup) -ASM_GLOBAL  ASM_PFX(SmmStmTeardown)
> -
> -.equ  CODE_SEL,             0x38
> -.equ  DATA_SEL,             0x20
> -.equ  TR_SEL,               0x40
> -
> -.equ  MSR_IA32_MISC_ENABLE, 0x1A0
> -.equ  MSR_EFER,             0x0c0000080
> -.equ  MSR_EFER_XD,          0x0800
> -
> -    .data
> -
> -#
> -# This structure serves as a template for all processors.
> -#
> -ASM_PFX(gcStmPsd):
> -            .ascii     "TXTPSSIG"
> -            .word      PSD_SIZE
> -            .word      1              # Version
> -            .long      0              # LocalApicId
> -            .byte      0xF            #
> Cr4Pse;Cr4Pae;Intel64Mode;ExecutionDisableOutsideSmrr
> -            .byte      0              # BIOS to STM
> -            .byte      0              # STM to BIOS
> -            .byte      0
> -            .word      CODE_SEL
> -            .word      DATA_SEL
> -            .word      DATA_SEL
> -            .word      DATA_SEL
> -            .word      TR_SEL
> -            .word      0
> -            .quad      0              # SmmCr3
> -            .quad      ASM_PFX(_OnStmSetup)
> -            .quad      ASM_PFX(_OnStmTeardown)
> -            .quad      0              # SmmSmiHandlerRip - SMM guest entrypoint
> -            .quad      0              # SmmSmiHandlerRsp
> -            .quad      0
> -            .long      0
> -            .long      0x80010100     # RequiredStmSmmRevId
> -            .quad      ASM_PFX(_OnException)
> -            .quad      0              # ExceptionStack
> -            .word      DATA_SEL
> -            .word      0x1F           # ExceptionFilter
> -            .long      0
> -            .quad      0
> -            .quad      0              # BiosHwResourceRequirementsPtr
> -            .quad      0              # AcpiRsdp
> -            .byte      0              # PhysicalAddressBits
> -.equ  PSD_SIZE,  . - ASM_PFX(gcStmPsd)
> -
> -    .text
> -#------------------------------------------------------------------------------
> -# SMM Exception handlers
> -#------------------------------------------------------------------------------
> -
> -ASM_GLOBAL ASM_PFX(_OnException)
> -ASM_PFX(_OnException):
> -    movq %rsp, %rcx
> -    subq $0x28, %rsp
> -    call ASM_PFX(SmmStmExceptionHandler)
> -    addq $0x28, %rsp
> -    movl %eax, %ebx
> -    movl $4, %eax
> -    .byte  0xf, 0x1, 0xc1 # VMCALL
> -    jmp .
> -
> -ASM_GLOBAL ASM_PFX(_OnStmSetup)
> -ASM_PFX(_OnStmSetup):
> -#
> -# Check XD disable bit
> -#
> -    xorq    %r8, %r8
> -    movabsq $ASM_PFX(gStmXdSupported), %rax
> -    movb    (%rax), %al
> -    cmpb    $0, %al
> -    jz      StmXdDone1
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    movq    %rdx, %r8                  # save MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx                # MSR_IA32_MISC_ENABLE[34]
> -    jz      L13
> -    andw    $0x0FFFB, %dx              # clear XD Disable bit if it is set
> -    wrmsr
> -L13:
> -    movl    $MSR_EFER, %ecx
> -    rdmsr
> -    orw     $MSR_EFER_XD,%ax            # enable NXE
> -    wrmsr
> -StmXdDone1:
> -    pushq   %r8
> -
> -  subq $0x20, %rsp
> -  call ASM_PFX(SmmStmSetup)
> -  addq 0x20, %rsp
> -
> -    movabsq $ASM_PFX(gStmXdSupported), %rax
> -    movb    (%rax), %al
> -    cmpb    $0, %al
> -    jz      L14
> -    popq    %rdx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx
> -    jz      L14
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering
> into SMM
> -    wrmsr
> -L14:
> -
> -  rsm
> -
> -ASM_GLOBAL ASM_PFX(_OnStmTeardown)
> -ASM_PFX(_OnStmTeardown):
> -#
> -# Check XD disable bit
> -#
> -    xorq    %r8, %r8
> -    movabsq $ASM_PFX(gStmXdSupported), %rax
> -    movb    (%rax), %al
> -    cmpb    $0, %al
> -    jz      StmXdDone2
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    movq    %rdx, %r8                  # save MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx                # MSR_IA32_MISC_ENABLE[34]
> -    jz      L15
> -    andw    $0x0FFFB, %dx              # clear XD Disable bit if it is set
> -    wrmsr
> -L15:
> -    movl    $MSR_EFER, %ecx
> -    rdmsr
> -    orw     $MSR_EFER_XD,%ax            # enable NXE
> -    wrmsr
> -StmXdDone2:
> -    pushq   %r8
> -
> -  subq $0x20, %rsp
> -  call ASM_PFX(SmmStmTeardown)
> -  addq $0x20, %rsp
> -
> -    movabsq $ASM_PFX(gStmXdSupported), %rax
> -    movb    (%rax), %al
> -    cmpb    $0, %al
> -    jz      L16
> -    popq    %rdx                        # get saved MSR_IA32_MISC_ENABLE[63-32]
> -    testl   $BIT2, %edx
> -    jz      L16
> -    movl    $MSR_IA32_MISC_ENABLE, %ecx
> -    rdmsr
> -    orw     $BIT2, %dx                  # set XD Disable bit if it was set before entering
> into SMM
> -    wrmsr
> -L16:
> -
> -  rsm
> -
> --
> 2.18.0.windows.1



^ permalink raw reply	[flat|nested] 13+ messages in thread

* Re: [PATCH v2 02/10] UefiCpuPkg/BaseUefiCpuLib: Remove .S files for IA32 and X64 arch
  2019-03-19  6:59 ` [PATCH v2 02/10] UefiCpuPkg/BaseUefiCpuLib: " Shenglei Zhang
@ 2019-03-21  6:58   ` Dong, Eric
  0 siblings, 0 replies; 13+ messages in thread
From: Dong, Eric @ 2019-03-21  6:58 UTC (permalink / raw)
  To: Zhang, Shenglei, edk2-devel@lists.01.org; +Cc: Kinney, Michael D, Gao, Liming

Reviewed-by: Eric Dong <eric.dong@intel.com>

> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of
> Shenglei Zhang
> Sent: Tuesday, March 19, 2019 2:59 PM
> To: edk2-devel@lists.01.org
> Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Gao, Liming
> <liming.gao@intel.com>
> Subject: [edk2] [PATCH v2 02/10] UefiCpuPkg/BaseUefiCpuLib: Remove .S
> files for IA32 and X64 arch
> 
> .nasm file has been added for X86 arch. .S assembly code is not required any
> more.
> https://bugzilla.tianocore.org/show_bug.cgi?id=1594
> 
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <liming.gao@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Shenglei Zhang <shenglei.zhang@intel.com>
> ---
>  .../Library/BaseUefiCpuLib/BaseUefiCpuLib.inf |  2 -
>  .../BaseUefiCpuLib/Ia32/InitializeFpu.S       | 73 -------------------
>  .../BaseUefiCpuLib/X64/InitializeFpu.S        | 57 ---------------
>  3 files changed, 132 deletions(-)
>  delete mode 100644
> UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.S
>  delete mode 100644 UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.S
> 
> diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
> b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
> index 5614452a88..2e9756e50e 100644
> --- a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
> +++ b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
> @@ -31,11 +31,9 @@
> 
>  [Sources.IA32]
>    Ia32/InitializeFpu.nasm
> -  Ia32/InitializeFpu.S
> 
>  [Sources.X64]
>    X64/InitializeFpu.nasm
> -  X64/InitializeFpu.S
> 
>  [Packages]
>    MdePkg/MdePkg.dec
> diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.S
> b/UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.S
> deleted file mode 100644
> index 0a1a9198f6..0000000000
> --- a/UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.S
> +++ /dev/null
> @@ -1,73 +0,0 @@
> -#------------------------------------------------------------------------------
> -#*
> -#*   Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
> -#*   This program and the accompanying materials
> -#*   are licensed and made available under the terms and conditions of the
> BSD License
> -#*   which accompanies this distribution.  The full text of the license may be
> found at
> -#*   http://opensource.org/licenses/bsd-license.php
> -#*
> -#*   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> BASIS,
> -#*   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> EXPRESS OR IMPLIED.
> -#*
> -#*
> -#------------------------------------------------------------------------------
> -
> -#
> -# Float control word initial value:
> -# all exceptions masked, double-precision, round-to-nearest -#
> -ASM_PFX(mFpuControlWord): .word     0x027F
> -#
> -# Multimedia-extensions control word:
> -# all exceptions masked, round-to-nearest, flush to zero for masked
> underflow -#
> -ASM_PFX(mMmxControlWord): .long     0x01F80
> -
> -#
> -# Initializes floating point units for requirement of UEFI specification.
> -#
> -# This function initializes floating-point control word to 0x027F (all
> exceptions -# masked,double-precision, round-to-nearest) and multimedia-
> extensions control word -# (if supported) to 0x1F80 (all exceptions masked,
> round-to-nearest, flush to zero -# for masked underflow).
> -#
> -ASM_GLOBAL ASM_PFX(InitializeFloatingPointUnits)
> -ASM_PFX(InitializeFloatingPointUnits):
> -
> -    pushl   %ebx
> -
> -    #
> -    # Initialize floating point units
> -    #
> -    finit
> -    fldcw   ASM_PFX(mFpuControlWord)
> -
> -    #
> -    # Use CpuId instructuion (CPUID.01H:EDX.SSE[bit 25] = 1) to test
> -    # whether the processor supports SSE instruction.
> -    #
> -    movl    $1,  %eax
> -    cpuid
> -    btl     $25, %edx
> -    jnc     Done
> -
> -    #
> -    # Set OSFXSR bit 9 in CR4
> -    #
> -    movl    %cr4, %eax
> -    or      $0x200, %eax
> -    movl    %eax, %cr4
> -
> -    #
> -    # The processor should support SSE instruction and we can use
> -    # ldmxcsr instruction
> -    #
> -    ldmxcsr ASM_PFX(mMmxControlWord)
> -
> -Done:
> -    popl    %ebx
> -
> -    ret
> -
> -#END
> -
> diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.S
> b/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.S
> deleted file mode 100644
> index f0b0d3e264..0000000000
> --- a/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.S
> +++ /dev/null
> @@ -1,57 +0,0 @@
> -#------------------------------------------------------------------------------
> -#*
> -#*   Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
> -#*   This program and the accompanying materials
> -#*   are licensed and made available under the terms and conditions of the
> BSD License
> -#*   which accompanies this distribution.  The full text of the license may be
> found at
> -#*   http://opensource.org/licenses/bsd-license.php
> -#*
> -#*   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> BASIS,
> -#*   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> EXPRESS OR IMPLIED.
> -#*
> -#*
> -#------------------------------------------------------------------------------
> -
> -#
> -# Initializes floating point units for requirement of UEFI specification.
> -#
> -# This function initializes floating-point control word to 0x037F (all
> exceptions -# masked,double-extended-precision, round-to-nearest) and
> multimedia-extensions control word -# (if supported) to 0x1F80 (all
> exceptions masked, round-to-nearest, flush to zero -# for masked
> underflow).
> -#
> -ASM_GLOBAL ASM_PFX(InitializeFloatingPointUnits)
> -ASM_PFX(InitializeFloatingPointUnits):
> -
> -    #
> -    # Initialize floating point units
> -    #
> -    finit
> -
> -    #
> -    # Float control word initial value:
> -    # all exceptions masked, double-precision, round-to-nearest
> -    #
> -    pushq   $0x037F
> -    lea     (%rsp), %rax
> -    fldcw   (%rax)
> -    popq    %rax
> -
> -    #
> -    # Set OSFXSR bit 9 in CR4
> -    #
> -    movq    %cr4, %rax
> -    or      $0x200, %rax
> -    movq    %rax, %cr4
> -
> -    #
> -    # Multimedia-extensions control word:
> -    # all exceptions masked, round-to-nearest, flush to zero for masked
> underflow
> -    #
> -    pushq   $0x01F80
> -    lea     (%rsp), %rax
> -    ldmxcsr (%rax)
> -    popq    %rax
> -
> -    ret
> -
> --
> 2.18.0.windows.1
> 
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel


^ permalink raw reply	[flat|nested] 13+ messages in thread

end of thread, other threads:[~2019-03-21  6:59 UTC | newest]

Thread overview: 13+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-03-19  6:59 [PATCH v2 00/10] Remove .S files for IA32 and X64 arch in MdePkg and UefiCpuPkg Shenglei Zhang
2019-03-19  6:59 ` [PATCH v2 01/10] UefiCpuPkg/SmmCpuFeaturesLib: Remove .S files for IA32 and X64 arch Shenglei Zhang
2019-03-20  6:54   ` Dong, Eric
2019-03-19  6:59 ` [PATCH v2 02/10] UefiCpuPkg/BaseUefiCpuLib: " Shenglei Zhang
2019-03-21  6:58   ` Dong, Eric
2019-03-19  6:59 ` [PATCH v2 03/10] UefiCpuPkg/CpuExceptionHandlerLib:Remove.S " Shenglei Zhang
2019-03-19  6:59 ` [PATCH v2 04/10] MdePkg/BaseCpuLib: Remove .S " Shenglei Zhang
2019-03-19  6:59 ` [PATCH v2 05/10] MdePkg/BaseLib: " Shenglei Zhang
2019-03-19  6:59 ` [PATCH v2 06/10] MdePkg/BaseMemoryLibMmx: " Shenglei Zhang
2019-03-19  6:59 ` [PATCH v2 07/10] MdePkg/BaseMemoryLibOptDxe: " Shenglei Zhang
2019-03-19  6:59 ` [PATCH v2 08/10] MdePkg/BaseMemoryLibOptPei: " Shenglei Zhang
2019-03-19  6:59 ` [PATCH v2 09/10] MdePkg/BaseMemoryLibRepStr: " Shenglei Zhang
2019-03-19  6:59 ` [PATCH v2 10/10] MdePkg/BaseMemoryLibSse2: " Shenglei Zhang

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