Re: [edk2-devel] [Patch 00/12] New Cross OS tool chain CLANG9

["Yao, Jiewen" <jiewen.yao@intel.com>]

Thank you Liming. That is cool feature.


Thank you
Yao Jiewen



> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Liming Gao
> Sent: Friday, September 27, 2019 3:46 PM
> To: devel@edk2.groups.io
> Cc: Yao, Jiewen <jiewen.yao@intel.com>; Shi, Steven <steven.shi@intel.com>;
> Justen, Jordan L <jordan.l.justen@intel.com>; Laszlo Ersek
> <lersek@redhat.com>; Andrew Fish <afish@apple.com>; Ni, Ray
> <ray.ni@intel.com>; Ard Biesheuvel <ard.biesheuvel@linaro.org>; Wang, Jian J
> <jian.j.wang@intel.com>; Wu, Hao A <hao.a.wu@intel.com>; Feng, Bob C
> <bob.c.feng@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>
> Subject: [edk2-devel] [Patch 00/12] New Cross OS tool chain CLANG9
> 
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1603
> Code: https://github.com/lgao4/edk2/tree/CLANG9
> Wiki: https://github.com/lgao4/edk2/wiki/CLANG9-Tools-Chain
> 
> CLANG9 tool chain is added to directly generate PE/COFF image (EFI image).
> This tool chain uses LLVM clang C compiler and lld linker, generates PE/COFF
> image and PDB compatible debug symbol format. Now, it supports IA32/X64
> Archs.
> It must use LLVM 9 or above release. LLVM 9 is ready on
> http://releases.llvm.org/download.html#9.0.0.
> 
> CLANG9 is the cross OS tool chain. It can work on Windows/Linux/Mac host OS.
> For the same source code, with the same version LLVM tool chain,
> CLANG9 can generate the same binary image. So, the developer can
> choose the different development environment and work on the same
> code base. Besides, EDKII project build also requires third party
> tools: nasm and iasl. They both keep the same version. If so, the same
> binary image can be generated on the different host OS.
> 
> LLVM tool chain provides the compiler and linker. To build EDK2 project,
> some other tools are still required. On Windows OS, nmake and Visual Studio
> are required to call Makefile and compile BaseTools C tools.
> On Linux/Mac, binutils and gcc are required to make and compile BaseTools
> C tools. Because VS or GCC are mainly used to compile BaseTools and provide
> nmake/make tool, they can keep on the stable version without update.
> 
> To build source code, CLANG9 tool chain (-t CLANG9) can be specified
> on Windows OS, set CLANG_HOST_BIN=n, set CLANG9_BIN=LLVM installed
> directory
> CLANG_HOST_BIN is used CLANG_HOST_PREFIX. Prefix n is for nmake.
> For example:
> *  set CLANG_HOST_BIN=n
> *  set CLANG9_BIN=C:\Program Files\LLVM\bin\
> *  set IASL_PREFIX=C:\Asl\
> 
> On Linux/Mac, export CLANG9_BIN=LLVM installed directory,
> CLANG_HOST_BIN is
> not required, because there is no prefix for make.
> For example:
> *  export CLANG9_BIN=/home/clang9/bin/
> 
> Now, CLANG9 tool chain has been verified in Edk2 packages and Ovmf/Emulator
> with LLVM 9.0.0 on Windows and Linux OS.
> OVMF IA32/X64/IA32X64 all boots to Shell on Windows and Linux OS.
> Emulator can boot to Shell on Windows only with CLANG9.
> OVMF Ia32X64 RELEASE build generates the same BIOS images on Windows and
> Linux OS.
> 
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> Cc: Steven Shi <steven.shi@intel.com>
> Cc: Jordan Justen <jordan.l.justen@intel.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Andrew Fish <afish@apple.com>
> Cc: Ray Ni <ray.ni@intel.com>
> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Cc: Jian J Wang <jian.j.wang@intel.com>
> Cc: Hao A Wu <hao.a.wu@intel.com>
> Cc: Bob Feng <bob.c.feng@intel.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Liming Gao (12):
>   BaseTools tools_def.template: Remove unnecessary $(DEST_DIR_DEBUG)
>     path
>   BaseTools tools_def: Add CLANG9 tool chain to directly generate PE
>     image
>   BaseTools GenFw: Fix the issue to update the wrong size as SectionSize
>   MdePkg Base.h: Add definition for CLANG9 tool chain
>   MdePkg BaseIoLibIntrinsic: Remove __inline__ attribute for IO
>     functions
>   MdeModulePkg LzmaCustomDecompressLib: Update macro to be same in
> CLANG
>     tool
>   MdeModulePkg RegularExpressionDxe: Disable warning for CLANG9 tool
>     chain
>   CryptoPkg: Append options to make CLANG9 tool chain pass build
>   CryptoPkg IntrinsicLib: Make _fltused always be used
>   EmulatorPkg: Enable CLANG9 tool chain
>   OvmfPkg: Enable CLANG9 tool chain
>   OvmfPkg SecMain: Add build option "-fno-omit-frame-pointer" for CLANG9
>     X64
> 
>  BaseTools/Source/C/GenFw/GenFw.c                                |   8 +-
>  CryptoPkg/Library/IntrinsicLib/MemoryIntrinsics.c               |  10 ++-
>  EmulatorPkg/Win/Host/WinHost.c                                  |  11 ++-
>  MdePkg/Library/BaseIoLibIntrinsic/IoLibGcc.c                    |   6 --
>  BaseTools/Conf/build_rule.template                              |  26 +++---
>  BaseTools/Conf/tools_def.template                               | 124
> +++++++++++++++++++++++++---
>  CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf                 |   1 +
>  CryptoPkg/Library/BaseCryptLib/PeiCryptLib.inf                  |   1 +
>  CryptoPkg/Library/BaseCryptLib/RuntimeCryptLib.inf              |   1 +
>  CryptoPkg/Library/BaseCryptLib/SmmCryptLib.inf                  |   1 +
>  CryptoPkg/Library/OpensslLib/OpensslLib.inf                     |   1 +
>  CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf               |   1 +
>  EmulatorPkg/EmulatorPkg.dsc                                     |   8 +-
>  EmulatorPkg/EmulatorPkg.fdf                                     |   2 +-
>  EmulatorPkg/Win/Host/WinHost.inf                                |   6 ++
>  MdeModulePkg/Library/LzmaCustomDecompressLib/Sdk/C/7zTypes.h    |   2 +-
>  .../Universal/RegularExpressionDxe/RegularExpressionDxe.inf     |   3 +
>  MdePkg/Include/Base.h                                           |   6 +-
>  MdePkg/Include/Ia32/ProcessorBind.h                             |   4 +-
>  MdePkg/Include/X64/ProcessorBind.h                              |   2 +-
>  OvmfPkg/OvmfPkgIa32.dsc                                         |   4 +-
>  OvmfPkg/OvmfPkgIa32X64.dsc                                      |   4 +-
>  OvmfPkg/OvmfPkgX64.dsc                                          |   4 +-
>  OvmfPkg/Sec/SecMain.inf                                         |   4 +
>  24 files changed, 192 insertions(+), 48 deletions(-)
> 
> --
> 2.13.0.windows.1
> 
> 
>