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

["Zhiguang Liu" <zhiguang.liu@intel.com>]

Reviewed-by: Zhiguang Liu <zhiguang.liu@intel.com>

> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Oleksiy
> Yakovlev
> Sent: Wednesday, June 24, 2020 5:56 AM
> To: devel@edk2.groups.io
> Cc: Gao, Liming <liming.gao@intel.com>; Kinney, Michael D
> <michael.d.kinney@intel.com>; Bi, Dandan <dandan.bi@intel.com>; Ni, Ray
> <ray.ni@intel.com>; lersek@redhat.com; Kumar, Rahul1
> <rahul1.kumar@intel.com>; Felixp@ami.com; oleksiyy@ami.com
> Subject: [edk2-devel] [PATCH V2 1/3] MdePkg: Add New Memory Attributes
> 
> 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@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.
>  ///
> --
> 2.9.0.windows.1
> 
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