[edk2-devel] [PATCH V2 1/3] MdePkg: Add New Memory Attributes

[Laszlo Ersek]

On 06/23/20 23:55, Oleksiy Yakovlev wrote:
> Add usage of EFI_MEMORY_SP and EFI_MEMORY_CPU_CRYPTO
> attributes introduced in UEFI 2.8.
> (UEFI 2.8, mantis 1919 and 1872).
> Fix typos in EFI_MEMORY_CPU_CRYPTO description.
> Add attributes bitmasks, grouped by type.
> 
> Signed-off-by: Oleksiy Yakovlev <oleksiyy at ami.com>
> ---
>  MdePkg/Include/Uefi/UefiSpec.h | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h
> index 558e1bc..05b82e0 100644
> --- a/MdePkg/Include/Uefi/UefiSpec.h
> +++ b/MdePkg/Include/Uefi/UefiSpec.h
> @@ -96,9 +96,9 @@ typedef enum {
>  #define EFI_MEMORY_SP               0x0000000000040000ULL
>  //
>  // If this flag is set, the memory region is capable of being
> -// protected with the CPU?s memory cryptographic
> +// protected with the CPU's memory cryptographic
>  // capabilities. If this flag is clear, the memory region is not
> -// capable of being protected with the CPU?s memory
> +// capable of being protected with the CPU's memory
>  // cryptographic capabilities or the CPU does not support CPU
>  // memory cryptographic capabilities.
>  //
> @@ -109,6 +109,12 @@ typedef enum {
>  //
>  #define EFI_MEMORY_RUNTIME          0x8000000000000000ULL
>  
> +//
> +// Attributes bitmasks, grouped by type
> +//
> +#define EFI_CACHE_ATTRIBUTE_MASK (EFI_MEMORY_UC | EFI_MEMORY_WC | EFI_MEMORY_WT | EFI_MEMORY_WB | EFI_MEMORY_UCE | EFI_MEMORY_WP)
> +#define EFI_MEMORY_ATTRIBUTE_MASK (EFI_MEMORY_RP | EFI_MEMORY_XP | EFI_MEMORY_RO | EFI_MEMORY_SP | EFI_MEMORY_CPU_CRYPTO)
> +
>  ///
>  /// Memory descriptor version number.
>  ///
> 

Reviewed-by: Laszlo Ersek <lersek at redhat.com>


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