[Patch 10/12] EmulatorPkg: Enable CLANG9 tool chain

["Liming Gao" <liming.gao@intel.com>]

1. Append CLANG CC and LINK flags to generate windows HOST.
2. Modify WinHost to move PCD getting in the late position

Signed-off-by: Liming Gao <liming.gao@intel.com>
---
 EmulatorPkg/Win/Host/WinHost.c   | 11 +++++++----
 EmulatorPkg/EmulatorPkg.dsc      |  8 ++++++--
 EmulatorPkg/EmulatorPkg.fdf      |  2 +-
 EmulatorPkg/Win/Host/WinHost.inf |  6 ++++++
 4 files changed, 20 insertions(+), 7 deletions(-)

diff --git a/EmulatorPkg/Win/Host/WinHost.c b/EmulatorPkg/Win/Host/WinHost.c
index 9aba3c8959..d51a96de7b 100644
--- a/EmulatorPkg/Win/Host/WinHost.c
+++ b/EmulatorPkg/Win/Host/WinHost.c
@@ -356,7 +356,7 @@ Returns:
 INTN
 EFIAPI
 main (
-  IN  INTN  Argc,
+  IN  INT  Argc,
   IN  CHAR8 **Argv,
   IN  CHAR8 **Envp
   )
@@ -405,9 +405,6 @@ Returns:
     AdjustTokenPrivileges(Token, FALSE, &TokenPrivileges, 0, (PTOKEN_PRIVILEGES) NULL, 0);
   }
 
-  MemorySizeStr      = (CHAR16 *) PcdGetPtr (PcdEmuMemorySize);
-  FirmwareVolumesStr = (CHAR16 *) PcdGetPtr (PcdEmuFirmwareVolume);
-
   SecPrint ("\n\rEDK II WIN Host Emulation Environment from http://www.tianocore.org/edk2/\n\r");
 
   //
@@ -423,6 +420,12 @@ Returns:
       SetProcessAffinityMask (GetCurrentProcess (), (INTN)(BIT0 << LowBit));
     }
   }
+  
+  //
+  // Move PCD getting late
+  //
+  MemorySizeStr      = (CHAR16 *) PcdGetPtr (PcdEmuMemorySize);
+  FirmwareVolumesStr = (CHAR16 *) PcdGetPtr (PcdEmuFirmwareVolume);
 
   //
   // Make some Windows calls to Set the process to the highest priority in the
diff --git a/EmulatorPkg/EmulatorPkg.dsc b/EmulatorPkg/EmulatorPkg.dsc
index 20f1187713..21620d4e94 100644
--- a/EmulatorPkg/EmulatorPkg.dsc
+++ b/EmulatorPkg/EmulatorPkg.dsc
@@ -237,7 +237,7 @@
 
 [Components]
 !if "IA32" in $(ARCH) || "X64" in $(ARCH)
-  !if "MSFT" in $(FAMILY)
+  !if "MSFT" in $(FAMILY) || "CLANG9" in $(TOOL_CHAIN_TAG)
     ##
     #  Emulator, OS WIN application
     ##
@@ -377,7 +377,7 @@
 
   FatPkg/EnhancedFatDxe/Fat.inf
 
-!if "XCODE5" not in $(TOOL_CHAIN_TAG)
+!if "XCODE5" not in $(TOOL_CHAIN_TAG) and "CLANG9" not in $(TOOL_CHAIN_TAG)
   ShellPkg/DynamicCommand/TftpDynamicCommand/TftpDynamicCommand.inf {
     <PcdsFixedAtBuild>
       gEfiShellPkgTokenSpaceGuid.PcdShellLibAutoInitialize|FALSE
@@ -419,7 +419,11 @@
 
   MSFT:DEBUG_*_*_CC_FLAGS = /Od /Oy-
   MSFT:NOOPT_*_*_CC_FLAGS = /Od /Oy-
+  GCC:DEBUG_CLANG9_*_CC_FLAGS =-O0 -D UNICODE -Wno-unused-command-line-argument -Wno-incompatible-pointer-types -Wno-enum-conversion -Wno-incompatible-pointer-types -Wno-sometimes-uninitialized -Wno-constant-conversion -Wno-main-return-type
 
   MSFT:*_*_*_DLINK_FLAGS     = /ALIGN:4096 /FILEALIGN:4096 /SUBSYSTEM:CONSOLE
   MSFT:DEBUG_*_*_DLINK_FLAGS = /EXPORT:InitializeDriver=$(IMAGE_ENTRY_POINT) /BASE:0x10000
   MSFT:NOOPT_*_*_DLINK_FLAGS = /EXPORT:InitializeDriver=$(IMAGE_ENTRY_POINT) /BASE:0x10000
+  GCC:*_CLANG9_*_DLINK_FLAGS     = /ALIGN:4096 /FILEALIGN:4096 /SUBSYSTEM:CONSOLE
+  GCC:DEBUG_CLANG9_*_DLINK_FLAGS = /EXPORT:InitializeDriver=$(IMAGE_ENTRY_POINT) /BASE:0x10000
+  GCC:NOOPT_CLANG9_*_DLINK_FLAGS = /EXPORT:InitializeDriver=$(IMAGE_ENTRY_POINT) /BASE:0x10000
diff --git a/EmulatorPkg/EmulatorPkg.fdf b/EmulatorPkg/EmulatorPkg.fdf
index 295f6f1db8..59d9927d29 100644
--- a/EmulatorPkg/EmulatorPkg.fdf
+++ b/EmulatorPkg/EmulatorPkg.fdf
@@ -196,7 +196,7 @@ INF  EmulatorPkg/EmuSnpDxe/EmuSnpDxe.inf
 
 INF FatPkg/EnhancedFatDxe/Fat.inf
 
-!if "XCODE5" not in $(TOOL_CHAIN_TAG)
+!if "XCODE5" not in $(TOOL_CHAIN_TAG) and "CLANG9" not in $(TOOL_CHAIN_TAG)
 INF  ShellPkg/DynamicCommand/TftpDynamicCommand/TftpDynamicCommand.inf
 !endif
 INF  ShellPkg/Application/Shell/Shell.inf
diff --git a/EmulatorPkg/Win/Host/WinHost.inf b/EmulatorPkg/Win/Host/WinHost.inf
index 631d5a6470..1adca10d79 100644
--- a/EmulatorPkg/Win/Host/WinHost.inf
+++ b/EmulatorPkg/Win/Host/WinHost.inf
@@ -95,3 +95,9 @@
   MSFT:*_VS2017_X64_DLINK_FLAGS      = /LIBPATH:"%VCToolsInstallDir%lib\x64" /LIBPATH:"%UniversalCRTSdkDir%lib\%UCRTVersion%\ucrt\x64" /LIBPATH:"%WindowsSdkDir%lib\%WindowsSDKLibVersion%\um\x64" /NOLOGO /SUBSYSTEM:CONSOLE /NODEFAULTLIB /IGNORE:4086 /MAP /OPT:REF /DEBUG /MACHINE:AMD64 /LTCG Kernel32.lib MSVCRTD.lib vcruntimed.lib ucrtd.lib Gdi32.lib User32.lib Winmm.lib Advapi32.lib
   MSFT:*_*_X64_ASM_FLAGS            == /nologo /W3 /WX /c /Cx /Zd /W0 /Zi
   MSFT:*_*_X64_ASMLINK_FLAGS        == /link /nologo
+
+  GCC:*_CLANG9_X64_DLINK_FLAGS == /out:"$(BIN_DIR)\$(BASE_NAME).exe" /base:0x10000000 /pdb:"$(BIN_DIR)\$(BASE_NAME).pdb"  /LIBPATH:"%UniversalCRTSdkDir%lib\%UCRTVersion%\ucrt\x64" /LIBPATH:"%WindowsSdkDir%lib\%WindowsSDKLibVersion%\um\x64" /LIBPATH:"%VCToolsInstallDir%lib\x64"   /NOLOGO /SUBSYSTEM:CONSOLE /NODEFAULTLIB /IGNORE:4086  /OPT:REF /DEBUG /MACHINE:AMD64 Kernel32.lib MSVCRTD.lib vcruntimed.lib ucrtd.lib Gdi32.lib User32.lib Winmm.lib Advapi32.lib /lldmap  /EXPORT:InitializeDriver=_ModuleEntryPoint
+  GCC:*_CLANG9_X64_CC_FLAGS == -m64 -g -fshort-wchar -fno-strict-aliasing -Wall -c -include AutoGen.h -D _CRT_SECURE_NO_WARNINGS -Wnonportable-include-path  -D UNICODE -D _CRT_SECURE_NO_DEPRECATE
+
+  GCC:*_CLANG9_IA32_DLINK_FLAGS == /out:"$(BIN_DIR)\$(BASE_NAME).exe" /base:0x10000000 /pdb:"$(BIN_DIR)\$(BASE_NAME).pdb" /LIBPATH:"%UniversalCRTSdkDir%lib\%UCRTVersion%\ucrt\x86" /LIBPATH:"%WindowsSdkDir%lib\%WindowsSDKLibVersion%\um\x86" /LIBPATH:"%VCToolsInstallDir%ib\x86"   /NOLOGO /SUBSYSTEM:CONSOLE /NODEFAULTLIB /IGNORE:4086  /OPT:REF /DEBUG /MACHINE:I386 Kernel32.lib MSVCRTD.lib vcruntimed.lib ucrtd.lib Gdi32.lib User32.lib Winmm.lib Advapi32.lib /lldmap  /EXPORT:InitializeDriver=_ModuleEntryPoint
+  GCC:*_CLANG9_IA32_CC_FLAGS == -m32 -g -fshort-wchar -fno-strict-aliasing -Wall -c -include AutoGen.h -D _CRT_SECURE_NO_WARNINGS -Wnonportable-include-path  -D UNICODE -D _CRT_SECURE_NO_DEPRECATE
-- 
2.13.0.windows.1