Reviewed-by: Chao Li <lichao@loongson.cn>


Thanks,
Chao
在 2023/5/11 09:33, xianglai 写道:
> Default page size is 16K for loongarch qemu tcg code section
> separated with data section with 16K page alignment,
> And data write operation in the same page with code section
> will cause qemu TB flush.
>
> Cc: Ard Biesheuvel<ardb+tianocore@kernel.org>
> Cc: Bibo Mao<maobibo@loongson.cn>
> Cc: Chao Li<lichao@loongson.cn>
> Cc: Leif Lindholm<quic_llindhol@quicinc.com>
> Cc: Liming Gao<gaoliming@byosoft.com.cn>
> Cc: Michael D Kinney<michael.d.kinney@intel.com>
> Signed-off-by: xianglai li<lixianglai@loongson.cn>
> ---
>   Platform/Loongson/LoongArchQemuPkg/Loongson.dsc | 7 ++++++-
>   1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc b/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc
> index 6875e39cc6..13b27d84b8 100644
> --- a/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc
> +++ b/Platform/Loongson/LoongArchQemuPkg/Loongson.dsc
> @@ -61,8 +61,13 @@
>   [BuildOptions.LOONGARCH64.EDKII.SEC]
>     *_*_*_CC_FLAGS                 =
>   
> +#
> +# default page size is 16K for loongarch qemu tcg
> +# code section separated with data section with 16K page alignment, else data
> +# write operation in the same page with code section will cause qemu TB flush
> +#
>   [BuildOptions.common.EDKII.DXE_CORE,BuildOptions.common.EDKII.DXE_DRIVER,BuildOptions.common.EDKII.UEFI_DRIVER,BuildOptions.common.EDKII.UEFI_APPLICATION]
> -  GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
> +  GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x4000
>   
>   [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
>     GCC:*_*_LOONGARCH64_DLINK_FLAGS = -z common-page-size=0x10000