[edk2-devel] [PATCH v1 5/6] UefiPayloadPkg: Add DISABLE_MMX_SSE to avoid generating floating points operation
Michael D Kinney
michael.d.kinney at intel.com
Wed Jul 21 16:34:49 UTC 2021
Are those flags needed for all packages that build with GCC?
Should this be moved into tools_def.txt?
Mike
> -----Original Message-----
> From: devel at edk2.groups.io <devel at edk2.groups.io> On Behalf Of Cheng-Chieh Huang via groups.io
> Sent: Wednesday, July 21, 2021 6:23 AM
> To: devel at edk2.groups.io
> Cc: Cheng-Chieh Huang <chengchieh at google.com>
> Subject: [edk2-devel] [PATCH v1 5/6] UefiPayloadPkg: Add DISABLE_MMX_SSE to avoid generating floating points operation
>
> This will allow we compile payload using gcc8
>
> Signed-off-by: Cheng-Chieh Huang <chengchieh at google.com>
> ---
> UefiPayloadPkg/UefiPayloadPkg.dsc | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/UefiPayloadPkg/UefiPayloadPkg.dsc b/UefiPayloadPkg/UefiPayloadPkg.dsc
> index 8aa5f18cd35c..fa41c5a24af5 100644
> --- a/UefiPayloadPkg/UefiPayloadPkg.dsc
> +++ b/UefiPayloadPkg/UefiPayloadPkg.dsc
> @@ -30,6 +30,8 @@ [Defines]
> DEFINE PS2_KEYBOARD_ENABLE = FALSE
> DEFINE UNIVERSAL_PAYLOAD = FALSE
>
> + DEFINE DISABLE_MMX_SSE = FALSE
> +
> #
> # SBL: UEFI payload for Slim Bootloader
> # COREBOOT: UEFI payload for coreboot
> @@ -96,6 +98,9 @@ [BuildOptions]
> *_*_*_CC_FLAGS = -D DISABLE_NEW_DEPRECATED_INTERFACES
> !if $(BOOTLOADER) == "LINUXBOOT"
> *_*_*_CC_FLAGS = -D LINUXBOOT_PAYLOAD
> +!endif
> +!if $(DISABLE_MMX_SSE)
> + *_*_*_CC_FLAGS = -mno-mmx -mno-sse
> !endif
> GCC:*_UNIXGCC_*_CC_FLAGS = -DMDEPKG_NDEBUG
> GCC:RELEASE_*_*_CC_FLAGS = -DMDEPKG_NDEBUG
> --
> 2.32.0.402.g57bb445576-goog
>
>
>
>
>
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