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From: "Laszlo Ersek" <lersek@redhat.com>
To: devel@edk2.groups.io, liming.gao@intel.com
Subject: Re: [edk2-devel] [Patch 11/12] OvmfPkg: Enable CLANG9 tool chain
Date: Mon, 30 Sep 2019 22:42:15 +0200	[thread overview]
Message-ID: <4c27bdc4-60b4-26bf-c416-c02b69ef8051@redhat.com> (raw)
In-Reply-To: <1569570395-11240-12-git-send-email-liming.gao@intel.com>

Hi Liming,

On 09/27/19 09:46, Liming Gao wrote:
> 1. Apply CLANG9 Linker option.

I'm confused by this, in two regards.

- Why do we refer to CLANG9 first as being in the GCC toolchain family
(see near mmx/sse), and then under a totally different family name
(CLANGPE?)

- Regarding the CLANGPE option, does the "/ALIGN:4096" option format
work on Linux too? (It seems quite unusual).

Another question:

- There is another XCODE5-specific exception in OvmfPkg, namely
TftpDynamicCommand. Does that build OK with CLANG9?

> 2. Add -mno-mmx -mno-sse compiler option

I think this remark should be clarified -- the options are *excluded*
from the CLANG9 build.

Thanks
Laszlo

> 
> Signed-off-by: Liming Gao <liming.gao@intel.com>
> ---
>  OvmfPkg/OvmfPkgIa32.dsc    | 4 +++-
>  OvmfPkg/OvmfPkgIa32X64.dsc | 4 +++-
>  OvmfPkg/OvmfPkgX64.dsc     | 4 +++-
>  3 files changed, 9 insertions(+), 3 deletions(-)
> 
> diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
> index 66e944436a..0fde8e6e84 100644
> --- a/OvmfPkg/OvmfPkgIa32.dsc
> +++ b/OvmfPkg/OvmfPkgIa32.dsc
> @@ -66,7 +66,7 @@
>    GCC:RELEASE_*_*_CC_FLAGS             = -DMDEPKG_NDEBUG
>    INTEL:RELEASE_*_*_CC_FLAGS           = /D MDEPKG_NDEBUG
>    MSFT:RELEASE_*_*_CC_FLAGS            = /D MDEPKG_NDEBUG
> -!if $(TOOL_CHAIN_TAG) != "XCODE5"
> +!if $(TOOL_CHAIN_TAG) != "XCODE5" && $(TOOL_CHAIN_TAG) != "CLANG9"
>    GCC:*_*_*_CC_FLAGS                   = -mno-mmx -mno-sse
>  !endif
>  
> @@ -80,12 +80,14 @@
>  [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
>    XCODE:*_*_*_DLINK_FLAGS =
> +  CLANGPE: *_*_*_DLINK_FLAGS = /ALIGN:4096
>  
>  # Force PE/COFF sections to be aligned at 4KB boundaries to support page level
>  # protection of DXE_SMM_DRIVER/SMM_CORE modules
>  [BuildOptions.common.EDKII.DXE_SMM_DRIVER, BuildOptions.common.EDKII.SMM_CORE]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
>    XCODE:*_*_*_DLINK_FLAGS =
> +  CLANGPE: *_*_*_DLINK_FLAGS = /ALIGN:4096
>  
>  ################################################################################
>  #
> diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
> index 51c2bfb44f..c17329878e 100644
> --- a/OvmfPkg/OvmfPkgIa32X64.dsc
> +++ b/OvmfPkg/OvmfPkgIa32X64.dsc
> @@ -66,7 +66,7 @@
>    GCC:RELEASE_*_*_CC_FLAGS             = -DMDEPKG_NDEBUG
>    INTEL:RELEASE_*_*_CC_FLAGS           = /D MDEPKG_NDEBUG
>    MSFT:RELEASE_*_*_CC_FLAGS            = /D MDEPKG_NDEBUG
> -!if $(TOOL_CHAIN_TAG) != "XCODE5"
> +!if $(TOOL_CHAIN_TAG) != "XCODE5" && $(TOOL_CHAIN_TAG) != "CLANG9"
>    GCC:*_*_*_CC_FLAGS                   = -mno-mmx -mno-sse
>  !endif
>  !ifdef $(SOURCE_DEBUG_ENABLE)
> @@ -85,12 +85,14 @@
>  [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
>    XCODE:*_*_*_DLINK_FLAGS =
> +  CLANGPE: *_*_*_DLINK_FLAGS = /ALIGN:4096
>  
>  # Force PE/COFF sections to be aligned at 4KB boundaries to support page level
>  # protection of DXE_SMM_DRIVER/SMM_CORE modules
>  [BuildOptions.common.EDKII.DXE_SMM_DRIVER, BuildOptions.common.EDKII.SMM_CORE]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
>    XCODE:*_*_*_DLINK_FLAGS =
> +  CLANGPE: *_*_*_DLINK_FLAGS = /ALIGN:4096
>  
>  ################################################################################
>  #
> diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
> index ba7a758844..af91265d05 100644
> --- a/OvmfPkg/OvmfPkgX64.dsc
> +++ b/OvmfPkg/OvmfPkgX64.dsc
> @@ -66,7 +66,7 @@
>    GCC:RELEASE_*_*_CC_FLAGS             = -DMDEPKG_NDEBUG
>    INTEL:RELEASE_*_*_CC_FLAGS           = /D MDEPKG_NDEBUG
>    MSFT:RELEASE_*_*_CC_FLAGS            = /D MDEPKG_NDEBUG
> -!if $(TOOL_CHAIN_TAG) != "XCODE5"
> +!if $(TOOL_CHAIN_TAG) != "XCODE5" && $(TOOL_CHAIN_TAG) != "CLANG9"
>    GCC:*_*_*_CC_FLAGS                   = -mno-mmx -mno-sse
>  !endif
>  !ifdef $(SOURCE_DEBUG_ENABLE)
> @@ -85,12 +85,14 @@
>  [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
>    XCODE:*_*_*_DLINK_FLAGS =
> +  CLANGPE: *_*_*_DLINK_FLAGS = /ALIGN:4096
>  
>  # Force PE/COFF sections to be aligned at 4KB boundaries to support page level
>  # protection of DXE_SMM_DRIVER/SMM_CORE modules
>  [BuildOptions.common.EDKII.DXE_SMM_DRIVER, BuildOptions.common.EDKII.SMM_CORE]
>    GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
>    XCODE:*_*_*_DLINK_FLAGS =
> +  CLANGPE: *_*_*_DLINK_FLAGS = /ALIGN:4096
>  
>  ################################################################################
>  #
> 


  reply	other threads:[~2019-09-30 20:42 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-27  7:46 [Patch 00/12] New Cross OS tool chain CLANG9 Liming Gao
2019-09-27  7:46 ` [Patch 01/12] BaseTools tools_def.template: Remove unnecessary $(DEST_DIR_DEBUG) path Liming Gao
2019-09-27  7:46 ` [Patch 02/12] BaseTools tools_def: Add CLANG9 tool chain to directly generate PE image Liming Gao
2019-09-27 10:13   ` [edk2-devel] " Philippe Mathieu-Daudé
2019-09-27  7:46 ` [Patch 03/12] BaseTools GenFw: Fix the issue to update the wrong size as SectionSize Liming Gao
2019-09-27 10:15   ` [edk2-devel] " Philippe Mathieu-Daudé
2019-09-27  7:46 ` [Patch 04/12] MdePkg Base.h: Add definition for CLANG9 tool chain Liming Gao
2019-09-27  7:46 ` [Patch 05/12] MdePkg BaseIoLibIntrinsic: Remove __inline__ attribute for IO functions Liming Gao
2019-09-30 20:35   ` [edk2-devel] " Laszlo Ersek
2019-09-30 21:11     ` Andrew Fish
2019-10-08 14:47       ` Liming Gao
2019-10-08 20:22         ` Laszlo Ersek
2019-10-10 12:32           ` Liming Gao
2019-10-10 16:32             ` Laszlo Ersek
2019-10-11  1:28               ` Liming Gao
2019-10-11 19:22               ` Jordan Justen
2019-10-12  6:18                 ` Liming Gao
2019-09-27  7:46 ` [Patch 06/12] MdeModulePkg LzmaCustomDecompressLib: Update macro to be same in CLANG tool Liming Gao
2019-09-27  7:46 ` [Patch 07/12] MdeModulePkg RegularExpressionDxe: Disable warning for CLANG9 tool chain Liming Gao
2019-09-27  7:46 ` [Patch 08/12] CryptoPkg: Append options to make CLANG9 tool chain pass build Liming Gao
2019-09-27  7:46 ` [Patch 09/12] CryptoPkg IntrinsicLib: Make _fltused always be used Liming Gao
2019-09-27  8:34   ` [edk2-devel] " Yao, Jiewen
2019-09-29  6:32     ` Liming Gao
2019-09-27  7:46 ` [Patch 10/12] EmulatorPkg: Enable CLANG9 tool chain Liming Gao
2019-09-27  7:46 ` [Patch 11/12] OvmfPkg: " Liming Gao
2019-09-30 20:42   ` Laszlo Ersek [this message]
2019-10-08 15:02     ` [edk2-devel] " Liming Gao
2019-10-08 22:29       ` Laszlo Ersek
2019-10-08 23:08         ` Andrew Fish
2019-10-09 13:43           ` Laszlo Ersek
2019-10-09 14:44             ` Liming Gao
2019-10-09 16:22               ` [edk2-devel] [Patch 11/12] OvmfPkg: Enable CLANG9 tool chain - Andrew Fish
2019-10-10  7:35                 ` Laszlo Ersek
2019-10-10 12:18                   ` Liming Gao
2019-10-10 16:29                     ` [edk2-devel] [Patch 11/12] OvmfPkg: Enable CLANG9 tool chain Andrew Fish
2019-10-10 16:43                     ` [edk2-devel] [Patch 11/12] OvmfPkg: Enable CLANG9 tool chain - Laszlo Ersek
2019-10-11  1:47                       ` Liming Gao
2019-10-11  9:57                         ` Laszlo Ersek
2019-10-11  9:37               ` [edk2-devel] [Patch 11/12] OvmfPkg: Enable CLANG9 tool chain Laszlo Ersek
2019-10-12  8:22                 ` Liming Gao
2019-09-27  7:46 ` [Patch 12/12] OvmfPkg SecMain: Add build option "-fno-omit-frame-pointer" for CLANG9 X64 Liming Gao
2019-09-30 21:09   ` [edk2-devel] " Laszlo Ersek
2019-10-08 15:09     ` Liming Gao
     [not found]     ` <15CBB488DC5DB3E9.15045@groups.io>
2019-10-10 14:08       ` Liming Gao
2019-10-10 17:35         ` Laszlo Ersek
2019-10-11  1:30           ` Liming Gao
2019-10-11  9:48             ` Laszlo Ersek
2019-09-27  8:33 ` [edk2-devel] [Patch 00/12] New Cross OS tool chain CLANG9 Yao, Jiewen

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