[edk2-devel] [PATCH v4 09/10] ArmPkg: Add definition of the maximum cache level in ARMv8-A

[Leif Lindholm]

On Mon, Dec 07, 2020 at 10:54:26 -0700, Rebecca Cran wrote:
> The ARM Architecture Reference Manual for ARMv8-A defines up to
> seven levels of cache, L1 through L7.
> Define MAX_ARM_CACHE_LEVEL to be 7.
> 
> Signed-off-by: Rebecca Cran <rebecca at nuviainc.com>

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

> ---
>  ArmPkg/Include/Library/ArmLib.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/ArmPkg/Include/Library/ArmLib.h b/ArmPkg/Include/Library/ArmLib.h
> index 87c3a6f1ecac..4e26991727cb 100644
> --- a/ArmPkg/Include/Library/ArmLib.h
> +++ b/ArmPkg/Include/Library/ArmLib.h
> @@ -108,6 +108,10 @@ typedef enum {
>  #define GET_MPID(ClusterId, CoreId)   (((ClusterId) << 8) | (CoreId))
>  #define PRIMARY_CORE_ID       (PcdGet32(PcdArmPrimaryCore) & ARM_CORE_MASK)
>  
> +// The ARM Architecture Reference Manual for ARMv8-A defines up
> +// to 7 levels of cache, L1 through L7.
> +#define MAX_ARM_CACHE_LEVEL   7
> +
>  UINTN
>  EFIAPI
>  ArmDataCacheLineLength (
> -- 
> 2.26.2
> 


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