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From: Leo Duran <leo.duran@amd.com>
To: <edk2-devel@lists.01.org>
Cc: <liming.gao@intel.com>, <yonghong.zhu@intel.com>,
	Leo Duran <leo.duran@amd.com>
Subject: [PATCH] UefiCpuPkg: Move GetProcessorLocation() to LocalApicLib library
Date: Fri, 28 Oct 2016 11:26:55 -0500	[thread overview]
Message-ID: <1477672015-17583-2-git-send-email-leo.duran@amd.com> (raw)
In-Reply-To: <1477672015-17583-1-git-send-email-leo.duran@amd.com>

1) Remove SmmGetProcessorLocation() from PiSmmCpuDxeSmm driver.
2) Remove ExtractProcessorLocation() from MpInitLib library.
3) Add GetProcessorLocation() to BaseXApicLib and BaseXApicX2ApicLib.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Leo Duran  <leo.duran@amd.com>
---
 UefiCpuPkg/Include/Library/LocalApicLib.h          |  18 +++
 UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c     | 130 +++++++++++++++++++++
 .../BaseXApicX2ApicLib/BaseXApicX2ApicLib.c        | 130 +++++++++++++++++++++
 UefiCpuPkg/Library/MpInitLib/MpLib.c               | 128 +-------------------
 UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c             | 121 +------------------
 5 files changed, 280 insertions(+), 247 deletions(-)
 mode change 100644 => 100755 UefiCpuPkg/Include/Library/LocalApicLib.h
 mode change 100644 => 100755 UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c
 mode change 100644 => 100755 UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c
 mode change 100644 => 100755 UefiCpuPkg/Library/MpInitLib/MpLib.c
 mode change 100644 => 100755 UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c

diff --git a/UefiCpuPkg/Include/Library/LocalApicLib.h b/UefiCpuPkg/Include/Library/LocalApicLib.h
old mode 100644
new mode 100755
index cd4e613..1d5599a
--- a/UefiCpuPkg/Include/Library/LocalApicLib.h
+++ b/UefiCpuPkg/Include/Library/LocalApicLib.h
@@ -21,6 +21,9 @@
 #define LOCAL_APIC_MODE_XAPIC   0x1  ///< xAPIC mode.
 #define LOCAL_APIC_MODE_X2APIC  0x2  ///< x2APIC mode.
 
+#include <PiPei.h>
+#include <Protocol/MpService.h>
+
 /**
   Retrieve the base address of local APIC.
 
@@ -410,6 +413,21 @@ GetApicMsiValue (
   IN BOOLEAN  LevelTriggered,
   IN BOOLEAN  AssertionLevel
   );
+
+/**
+Get Package ID/Core ID/Thread ID of a processor.
+
+The algorithm assumes the target system has symmetry across physical package boundaries
+with respect to the number of logical processors per package, number of cores per package.
+
+@param  InitialApicId  Must be the initial APIC ID of the target logical processor.
+@param  Location       Returns the processor location information.
+**/
+VOID
+GetProcessorLocation(
+  IN UINT32 InitialApicId,
+  OUT EFI_CPU_PHYSICAL_LOCATION *Location
+);
   
 #endif
 
diff --git a/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c b/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c
old mode 100644
new mode 100755
index 8d0fb02..2995ac3
--- a/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c
+++ b/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c
@@ -941,3 +941,133 @@ GetApicMsiValue (
   }
   return MsiData.Uint64;
 }
+
+/**
+Get Package ID/Core ID/Thread ID of a processor.
+
+The algorithm assumes the target system has symmetry across physical package boundaries
+with respect to the number of logical processors per package, number of cores per package.
+
+@param  InitialApicId  Must be the initial APIC ID of the target logical processor.
+@param  Location       Returns the processor location information.
+**/
+VOID
+GetProcessorLocation(
+IN  UINT32                     InitialApicId,
+OUT EFI_CPU_PHYSICAL_LOCATION  *Location
+)
+{
+	BOOLEAN                        TopologyLeafSupported;
+	UINTN                          ThreadBits;
+	UINTN                          CoreBits;
+	CPUID_VERSION_INFO_EBX         VersionInfoEbx;
+	CPUID_VERSION_INFO_EDX         VersionInfoEdx;
+	CPUID_CACHE_PARAMS_EAX         CacheParamsEax;
+	CPUID_EXTENDED_TOPOLOGY_EAX    ExtendedTopologyEax;
+	CPUID_EXTENDED_TOPOLOGY_EBX    ExtendedTopologyEbx;
+	CPUID_EXTENDED_TOPOLOGY_ECX    ExtendedTopologyEcx;
+	UINT32                         MaxCpuIdIndex;
+	UINT32                         SubIndex;
+	UINTN                          LevelType;
+	UINT32                         MaxLogicProcessorsPerPackage;
+	UINT32                         MaxCoresPerPackage;
+
+	//
+	// Check if the processor is capable of supporting more than one logical processor.
+	//
+	AsmCpuid(CPUID_VERSION_INFO, NULL, NULL, NULL, &VersionInfoEdx.Uint32);
+	if (VersionInfoEdx.Bits.HTT == 0) {
+		Location->Thread = 0;
+		Location->Core = 0;
+		Location->Package = 0;
+		return;
+	}
+
+	ThreadBits = 0;
+	CoreBits = 0;
+
+	//
+	// Assume three-level mapping of APIC ID: Package:Core:SMT.
+	//
+
+	TopologyLeafSupported = FALSE;
+	//
+	// Get the max index of basic CPUID
+	//
+	AsmCpuid(CPUID_SIGNATURE, &MaxCpuIdIndex, NULL, NULL, NULL);
+
+	//
+	// If the extended topology enumeration leaf is available, it
+	// is the preferred mechanism for enumerating topology.
+	//
+	if (MaxCpuIdIndex >= CPUID_EXTENDED_TOPOLOGY) {
+		AsmCpuidEx(
+			CPUID_EXTENDED_TOPOLOGY,
+			0,
+			&ExtendedTopologyEax.Uint32,
+			&ExtendedTopologyEbx.Uint32,
+			&ExtendedTopologyEcx.Uint32,
+			NULL
+			);
+		//
+		// If CPUID.(EAX=0BH, ECX=0H):EBX returns zero and maximum input value for
+		// basic CPUID information is greater than 0BH, then CPUID.0BH leaf is not
+		// supported on that processor.
+		//
+		if (ExtendedTopologyEbx.Uint32 != 0) {
+			TopologyLeafSupported = TRUE;
+
+			//
+			// Sub-leaf index 0 (ECX= 0 as input) provides enumeration parameters to extract
+			// the SMT sub-field of x2APIC ID.
+			//
+			LevelType = ExtendedTopologyEcx.Bits.LevelType;
+			ASSERT(LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT);
+			ThreadBits = ExtendedTopologyEax.Bits.ApicIdShift;
+
+			//
+			// Software must not assume any "level type" encoding
+			// value to be related to any sub-leaf index, except sub-leaf 0.
+			//
+			SubIndex = 1;
+			do {
+				AsmCpuidEx(
+					CPUID_EXTENDED_TOPOLOGY,
+					SubIndex,
+					&ExtendedTopologyEax.Uint32,
+					NULL,
+					&ExtendedTopologyEcx.Uint32,
+					NULL
+					);
+				LevelType = ExtendedTopologyEcx.Bits.LevelType;
+				if (LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE) {
+					CoreBits = ExtendedTopologyEax.Bits.ApicIdShift - ThreadBits;
+					break;
+				}
+				SubIndex++;
+			} while (LevelType != CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID);
+		}
+	}
+
+	if (!TopologyLeafSupported) {
+		AsmCpuid(CPUID_VERSION_INFO, NULL, &VersionInfoEbx.Uint32, NULL, NULL);
+		MaxLogicProcessorsPerPackage = VersionInfoEbx.Bits.MaximumAddressableIdsForLogicalProcessors;
+		if (MaxCpuIdIndex >= CPUID_CACHE_PARAMS) {
+			AsmCpuidEx(CPUID_CACHE_PARAMS, 0, &CacheParamsEax.Uint32, NULL, NULL, NULL);
+			MaxCoresPerPackage = CacheParamsEax.Bits.MaximumAddressableIdsForLogicalProcessors + 1;
+		}
+		else {
+			//
+			// Must be a single-core processor.
+			//
+			MaxCoresPerPackage = 1;
+		}
+
+		ThreadBits = (UINTN)(HighBitSet32(MaxLogicProcessorsPerPackage / MaxCoresPerPackage - 1) + 1);
+		CoreBits = (UINTN)(HighBitSet32(MaxCoresPerPackage - 1) + 1);
+	}
+
+	Location->Thread = InitialApicId & ((1 << ThreadBits) - 1);
+	Location->Core = (InitialApicId >> ThreadBits) & ((1 << CoreBits) - 1);
+	Location->Package = (InitialApicId >> (ThreadBits + CoreBits));
+}
diff --git a/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c b/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c
old mode 100644
new mode 100755
index 4c42696..60d32d2
--- a/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c
+++ b/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c
@@ -1036,3 +1036,133 @@ GetApicMsiValue (
   }
   return MsiData.Uint64;
 }
+
+/**
+Get Package ID/Core ID/Thread ID of a processor.
+
+The algorithm assumes the target system has symmetry across physical package boundaries
+with respect to the number of logical processors per package, number of cores per package.
+
+@param  InitialApicId  Must be the initial APIC ID of the target logical processor.
+@param  Location       Returns the processor location information.
+**/
+VOID
+GetProcessorLocation(
+IN  UINT32                     InitialApicId,
+OUT EFI_CPU_PHYSICAL_LOCATION  *Location
+)
+{
+	BOOLEAN                        TopologyLeafSupported;
+	UINTN                          ThreadBits;
+	UINTN                          CoreBits;
+	CPUID_VERSION_INFO_EBX         VersionInfoEbx;
+	CPUID_VERSION_INFO_EDX         VersionInfoEdx;
+	CPUID_CACHE_PARAMS_EAX         CacheParamsEax;
+	CPUID_EXTENDED_TOPOLOGY_EAX    ExtendedTopologyEax;
+	CPUID_EXTENDED_TOPOLOGY_EBX    ExtendedTopologyEbx;
+	CPUID_EXTENDED_TOPOLOGY_ECX    ExtendedTopologyEcx;
+	UINT32                         MaxCpuIdIndex;
+	UINT32                         SubIndex;
+	UINTN                          LevelType;
+	UINT32                         MaxLogicProcessorsPerPackage;
+	UINT32                         MaxCoresPerPackage;
+
+	//
+	// Check if the processor is capable of supporting more than one logical processor.
+	//
+	AsmCpuid(CPUID_VERSION_INFO, NULL, NULL, NULL, &VersionInfoEdx.Uint32);
+	if (VersionInfoEdx.Bits.HTT == 0) {
+		Location->Thread = 0;
+		Location->Core = 0;
+		Location->Package = 0;
+		return;
+	}
+
+	ThreadBits = 0;
+	CoreBits = 0;
+
+	//
+	// Assume three-level mapping of APIC ID: Package:Core:SMT.
+	//
+
+	TopologyLeafSupported = FALSE;
+	//
+	// Get the max index of basic CPUID
+	//
+	AsmCpuid(CPUID_SIGNATURE, &MaxCpuIdIndex, NULL, NULL, NULL);
+
+	//
+	// If the extended topology enumeration leaf is available, it
+	// is the preferred mechanism for enumerating topology.
+	//
+	if (MaxCpuIdIndex >= CPUID_EXTENDED_TOPOLOGY) {
+		AsmCpuidEx(
+			CPUID_EXTENDED_TOPOLOGY,
+			0,
+			&ExtendedTopologyEax.Uint32,
+			&ExtendedTopologyEbx.Uint32,
+			&ExtendedTopologyEcx.Uint32,
+			NULL
+			);
+		//
+		// If CPUID.(EAX=0BH, ECX=0H):EBX returns zero and maximum input value for
+		// basic CPUID information is greater than 0BH, then CPUID.0BH leaf is not
+		// supported on that processor.
+		//
+		if (ExtendedTopologyEbx.Uint32 != 0) {
+			TopologyLeafSupported = TRUE;
+
+			//
+			// Sub-leaf index 0 (ECX= 0 as input) provides enumeration parameters to extract
+			// the SMT sub-field of x2APIC ID.
+			//
+			LevelType = ExtendedTopologyEcx.Bits.LevelType;
+			ASSERT(LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT);
+			ThreadBits = ExtendedTopologyEax.Bits.ApicIdShift;
+
+			//
+			// Software must not assume any "level type" encoding
+			// value to be related to any sub-leaf index, except sub-leaf 0.
+			//
+			SubIndex = 1;
+			do {
+				AsmCpuidEx(
+					CPUID_EXTENDED_TOPOLOGY,
+					SubIndex,
+					&ExtendedTopologyEax.Uint32,
+					NULL,
+					&ExtendedTopologyEcx.Uint32,
+					NULL
+					);
+				LevelType = ExtendedTopologyEcx.Bits.LevelType;
+				if (LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE) {
+					CoreBits = ExtendedTopologyEax.Bits.ApicIdShift - ThreadBits;
+					break;
+				}
+				SubIndex++;
+			} while (LevelType != CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID);
+		}
+	}
+
+	if (!TopologyLeafSupported) {
+		AsmCpuid(CPUID_VERSION_INFO, NULL, &VersionInfoEbx.Uint32, NULL, NULL);
+		MaxLogicProcessorsPerPackage = VersionInfoEbx.Bits.MaximumAddressableIdsForLogicalProcessors;
+		if (MaxCpuIdIndex >= CPUID_CACHE_PARAMS) {
+			AsmCpuidEx(CPUID_CACHE_PARAMS, 0, &CacheParamsEax.Uint32, NULL, NULL, NULL);
+			MaxCoresPerPackage = CacheParamsEax.Bits.MaximumAddressableIdsForLogicalProcessors + 1;
+		}
+		else {
+			//
+			// Must be a single-core processor.
+			//
+			MaxCoresPerPackage = 1;
+		}
+
+		ThreadBits = (UINTN)(HighBitSet32(MaxLogicProcessorsPerPackage / MaxCoresPerPackage - 1) + 1);
+		CoreBits = (UINTN)(HighBitSet32(MaxCoresPerPackage - 1) + 1);
+	}
+
+	Location->Thread = InitialApicId & ((1 << ThreadBits) - 1);
+	Location->Core = (InitialApicId >> ThreadBits) & ((1 << CoreBits) - 1);
+	Location->Package = (InitialApicId >> (ThreadBits + CoreBits));
+}
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
old mode 100644
new mode 100755
index c3fe721..902e212
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -58,132 +58,6 @@ IsBspExecuteDisableEnabled (
 }
 
 /**
-  Get CPU Package/Core/Thread location information.
-
-  @param[in]  InitialApicId     CPU APIC ID
-  @param[out] Location          Pointer to CPU location information
-**/
-VOID
-ExtractProcessorLocation (
-  IN  UINT32                     InitialApicId,
-  OUT EFI_CPU_PHYSICAL_LOCATION  *Location
-  )
-{
-  BOOLEAN                        TopologyLeafSupported;
-  UINTN                          ThreadBits;
-  UINTN                          CoreBits;
-  CPUID_VERSION_INFO_EBX         VersionInfoEbx;
-  CPUID_VERSION_INFO_EDX         VersionInfoEdx;
-  CPUID_CACHE_PARAMS_EAX         CacheParamsEax;
-  CPUID_EXTENDED_TOPOLOGY_EAX    ExtendedTopologyEax;
-  CPUID_EXTENDED_TOPOLOGY_EBX    ExtendedTopologyEbx;
-  CPUID_EXTENDED_TOPOLOGY_ECX    ExtendedTopologyEcx;
-  UINT32                         MaxCpuIdIndex;
-  UINT32                         SubIndex;
-  UINTN                          LevelType;
-  UINT32                         MaxLogicProcessorsPerPackage;
-  UINT32                         MaxCoresPerPackage;
-
-  //
-  // Check if the processor is capable of supporting more than one logical processor.
-  //
-  AsmCpuid (CPUID_VERSION_INFO, NULL, NULL, NULL, &VersionInfoEdx.Uint32);
-  if (VersionInfoEdx.Bits.HTT == 0) {
-    Location->Thread  = 0;
-    Location->Core    = 0;
-    Location->Package = 0;
-    return;
-  }
-
-  ThreadBits = 0;
-  CoreBits = 0;
-
-  //
-  // Assume three-level mapping of APIC ID: Package:Core:SMT.
-  //
-
-  TopologyLeafSupported = FALSE;
-  //
-  // Get the max index of basic CPUID
-  //
-  AsmCpuid (CPUID_SIGNATURE, &MaxCpuIdIndex, NULL, NULL, NULL);
-
-  //
-  // If the extended topology enumeration leaf is available, it
-  // is the preferred mechanism for enumerating topology.
-  //
-  if (MaxCpuIdIndex >= CPUID_EXTENDED_TOPOLOGY) {
-    AsmCpuidEx (
-      CPUID_EXTENDED_TOPOLOGY,
-      0,
-      &ExtendedTopologyEax.Uint32,
-      &ExtendedTopologyEbx.Uint32,
-      &ExtendedTopologyEcx.Uint32,
-      NULL
-      );
-    //
-    // If CPUID.(EAX=0BH, ECX=0H):EBX returns zero and maximum input value for
-    // basic CPUID information is greater than 0BH, then CPUID.0BH leaf is not
-    // supported on that processor.
-    //
-    if (ExtendedTopologyEbx.Uint32 != 0) {
-      TopologyLeafSupported = TRUE;
-
-      //
-      // Sub-leaf index 0 (ECX= 0 as input) provides enumeration parameters to extract
-      // the SMT sub-field of x2APIC ID.
-      //
-      LevelType = ExtendedTopologyEcx.Bits.LevelType;
-      ASSERT (LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT);
-      ThreadBits = ExtendedTopologyEax.Bits.ApicIdShift;
-
-      //
-      // Software must not assume any "level type" encoding
-      // value to be related to any sub-leaf index, except sub-leaf 0.
-      //
-      SubIndex = 1;
-      do {
-        AsmCpuidEx (
-          CPUID_EXTENDED_TOPOLOGY,
-          SubIndex,
-          &ExtendedTopologyEax.Uint32,
-          NULL,
-          &ExtendedTopologyEcx.Uint32,
-          NULL
-          );
-        LevelType = ExtendedTopologyEcx.Bits.LevelType;
-        if (LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE) {
-          CoreBits = ExtendedTopologyEax.Bits.ApicIdShift - ThreadBits;
-          break;
-        }
-        SubIndex++;
-      } while (LevelType != CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID);
-    }
-  }
-
-  if (!TopologyLeafSupported) {
-    AsmCpuid (CPUID_VERSION_INFO, NULL, &VersionInfoEbx.Uint32, NULL, NULL);
-    MaxLogicProcessorsPerPackage = VersionInfoEbx.Bits.MaximumAddressableIdsForLogicalProcessors;
-    if (MaxCpuIdIndex >= CPUID_CACHE_PARAMS) {
-      AsmCpuidEx (CPUID_CACHE_PARAMS, 0, &CacheParamsEax.Uint32, NULL, NULL, NULL);
-      MaxCoresPerPackage = CacheParamsEax.Bits.MaximumAddressableIdsForLogicalProcessors + 1;
-    } else {
-      //
-      // Must be a single-core processor.
-      //
-      MaxCoresPerPackage = 1;
-    }
-
-    ThreadBits = (UINTN) (HighBitSet32 (MaxLogicProcessorsPerPackage / MaxCoresPerPackage - 1) + 1);
-    CoreBits = (UINTN) (HighBitSet32 (MaxCoresPerPackage - 1) + 1);
-  }
-
-  Location->Thread  = InitialApicId & ((1 << ThreadBits) - 1);
-  Location->Core    = (InitialApicId >> ThreadBits) & ((1 << CoreBits) - 1);
-  Location->Package = (InitialApicId >> (ThreadBits + CoreBits));
-}
-
-/**
   Worker function for SwitchBSP().
 
   Worker function for SwitchBSP(), assigned to the AP which is intended
@@ -1451,7 +1325,7 @@ MpInitLibGetProcessorInfo (
   //
   // Get processor location information
   //
-  ExtractProcessorLocation (CpuMpData->CpuData[ProcessorNumber].ApicId, &ProcessorInfoBuffer->Location);
+  GetProcessorLocation (CpuMpData->CpuData[ProcessorNumber].ApicId, &ProcessorInfoBuffer->Location);
 
   if (HealthData != NULL) {
     HealthData->Uint32 = CpuMpData->CpuData[ProcessorNumber].Health;
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c
old mode 100644
new mode 100755
index 40f2a17..75b5fc0
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuService.c
@@ -27,125 +27,6 @@ EFI_SMM_CPU_SERVICE_PROTOCOL  mSmmCpuService = {
 };
 
 /**
-  Get Package ID/Core ID/Thread ID of a processor.
-
-  APIC ID must be an initial APIC ID.
-
-  The algorithm below assumes the target system has symmetry across physical package boundaries
-  with respect to the number of logical processors per package, number of cores per package.
-
-  @param  ApicId    APIC ID of the target logical processor.
-  @param  Location    Returns the processor location information.
-**/
-VOID
-SmmGetProcessorLocation (
-  IN UINT32 ApicId,
-  OUT EFI_CPU_PHYSICAL_LOCATION *Location
-  )
-{
-  UINTN   ThreadBits;
-  UINTN   CoreBits;
-  UINT32  RegEax;
-  UINT32  RegEbx;
-  UINT32  RegEcx;
-  UINT32  RegEdx;
-  UINT32  MaxCpuIdIndex;
-  UINT32  SubIndex;
-  UINTN   LevelType;
-  UINT32  MaxLogicProcessorsPerPackage;
-  UINT32  MaxCoresPerPackage;
-  BOOLEAN TopologyLeafSupported;
-
-  ASSERT (Location != NULL);
-
-  ThreadBits            = 0;
-  CoreBits              = 0;
-  TopologyLeafSupported = FALSE;
-
-  //
-  // Check if the processor is capable of supporting more than one logical processor.
-  //
-  AsmCpuid (CPUID_VERSION_INFO, NULL, NULL, NULL, &RegEdx);
-  ASSERT ((RegEdx & BIT28) != 0);
-
-  //
-  // Assume three-level mapping of APIC ID: Package:Core:SMT.
-  //
-
-  //
-  // Get the max index of basic CPUID
-  //
-  AsmCpuid (CPUID_SIGNATURE, &MaxCpuIdIndex, NULL, NULL, NULL);
-
-  //
-  // If the extended topology enumeration leaf is available, it
-  // is the preferred mechanism for enumerating topology.
-  //
-  if (MaxCpuIdIndex >= CPUID_EXTENDED_TOPOLOGY) {
-    AsmCpuidEx (CPUID_EXTENDED_TOPOLOGY, 0, &RegEax, &RegEbx, &RegEcx, NULL);
-    //
-    // If CPUID.(EAX=0BH, ECX=0H):EBX returns zero and maximum input value for
-    // basic CPUID information is greater than 0BH, then CPUID.0BH leaf is not
-    // supported on that processor.
-    //
-    if ((RegEbx & 0xffff) != 0) {
-      TopologyLeafSupported = TRUE;
-
-      //
-      // Sub-leaf index 0 (ECX= 0 as input) provides enumeration parameters to extract
-      // the SMT sub-field of x2APIC ID.
-      //
-      LevelType = (RegEcx >> 8) & 0xff;
-      ASSERT (LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT);
-      if ((RegEbx & 0xffff) > 1 ) {
-        ThreadBits = RegEax & 0x1f;
-      } else {
-        //
-        // HT is not supported
-        //
-        ThreadBits = 0;
-      }
-
-      //
-      // Software must not assume any "level type" encoding
-      // value to be related to any sub-leaf index, except sub-leaf 0.
-      //
-      SubIndex = 1;
-      do {
-        AsmCpuidEx (CPUID_EXTENDED_TOPOLOGY, SubIndex, &RegEax, NULL, &RegEcx, NULL);
-        LevelType = (RegEcx >> 8) & 0xff;
-        if (LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE) {
-          CoreBits = (RegEax & 0x1f) - ThreadBits;
-          break;
-        }
-        SubIndex++;
-      } while (LevelType != CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID);
-    }
-  }
-
-  if (!TopologyLeafSupported) {
-    AsmCpuid (CPUID_VERSION_INFO, NULL, &RegEbx, NULL, NULL);
-    MaxLogicProcessorsPerPackage = (RegEbx >> 16) & 0xff;
-    if (MaxCpuIdIndex >= CPUID_CACHE_PARAMS) {
-      AsmCpuidEx (CPUID_CACHE_PARAMS, 0, &RegEax, NULL, NULL, NULL);
-      MaxCoresPerPackage = (RegEax >> 26) + 1;
-    } else {
-      //
-      // Must be a single-core processor.
-      //
-      MaxCoresPerPackage = 1;
-    }
-
-    ThreadBits = (UINTN) (HighBitSet32 (MaxLogicProcessorsPerPackage / MaxCoresPerPackage - 1) + 1);
-    CoreBits = (UINTN) (HighBitSet32 (MaxCoresPerPackage - 1) + 1);
-  }
-
-  Location->Thread = ApicId & ~((-1) << ThreadBits);
-  Location->Core = (ApicId >> ThreadBits) & ~((-1) << CoreBits);
-  Location->Package = (ApicId >> (ThreadBits+ CoreBits));
-}
-
-/**
   Gets processor information on the requested processor at the instant this call is made.
 
   @param[in]  This                 A pointer to the EFI_SMM_CPU_SERVICE_PROTOCOL instance.
@@ -280,7 +161,7 @@ SmmAddProcessor (
         gSmmCpuPrivate->ProcessorInfo[Index].ProcessorId == INVALID_APIC_ID) {
       gSmmCpuPrivate->ProcessorInfo[Index].ProcessorId = ProcessorId;
       gSmmCpuPrivate->ProcessorInfo[Index].StatusFlag = 0;
-      SmmGetProcessorLocation ((UINT32)ProcessorId, &gSmmCpuPrivate->ProcessorInfo[Index].Location);
+      GetProcessorLocation ((UINT32)ProcessorId, &gSmmCpuPrivate->ProcessorInfo[Index].Location);
 
       *ProcessorNumber = Index;
       gSmmCpuPrivate->Operation[Index] = SmmCpuAdd;
-- 
1.9.1



  reply	other threads:[~2016-10-28 16:27 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-28 16:26 [PATCH] UefiCpuPkg: GetProcessorLocation() Leo Duran
2016-10-28 16:26 ` Leo Duran [this message]
2016-10-28 16:38   ` [PATCH] UefiCpuPkg: Move GetProcessorLocation() to LocalApicLib library Laszlo Ersek
2016-10-28 16:49     ` Duran, Leo
  -- strict thread matches above, loose matches on Subject: below --
2016-10-28 17:08 Leo Duran
2016-10-28 17:10 ` Duran, Leo
2016-10-31 19:42 Leo Duran
2016-10-31 21:23 ` Laszlo Ersek
2016-10-31 21:26   ` Duran, Leo
2016-10-31 21:29   ` Kinney, Michael D
2016-11-01  0:48     ` Fan, Jeff
2016-11-01  2:25 ` Fan, Jeff

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