[edk2-devel] [PATCH v5 03/23] ArmPkg: Add register encoding definition for MMFR2

[Leif Lindholm]

On Mon, Jan 04, 2021 at 15:58:10 -0700, Rebecca Cran wrote:
> Add register encoding definition for Memory Model Feature Register 2.
> We need to define it here because we build for ARMv8.0, which doesn't
> have it.
> 
> Signed-off-by: Rebecca Cran <rebecca at nuviainc.com>

Reviewed-by: Leif Lindholm <leif at nuviainc.com>

> ---
>  ArmPkg/Include/Chipset/AArch64.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/ArmPkg/Include/Chipset/AArch64.h b/ArmPkg/Include/Chipset/AArch64.h
> index 0ade5cce91c3..7c2b592f92ee 100644
> --- a/ArmPkg/Include/Chipset/AArch64.h
> +++ b/ArmPkg/Include/Chipset/AArch64.h
> @@ -112,6 +112,10 @@
>  #define ARM_VECTOR_LOW_A32_FIQ  0x700
>  #define ARM_VECTOR_LOW_A32_SERR 0x780
>  
> +// The ID_AA64MMFR2_EL1 register was added in ARMv8.2. Since we
> +// build for ARMv8.0, we need to define the register here.
> +#define ID_AA64MMFR2_EL1 S3_0_C0_C7_2
> +
>  #define VECTOR_BASE(tbl)          \
>    .section .text.##tbl##,"ax";    \
>    .align 11;                      \
> -- 
> 2.26.2
> 


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