Re: [PATCH] MdePkg-UefiSpec.h: Add UEFI 2.8 new memory attributes

["Liming Gao" <liming.gao@intel.com>]

Qing:
  Thanks for your update. Reviewed-by: Liming Gao <liming.gao@intel.com>

Thanks
Liming
>-----Original Message-----
>From: Huang, Qing
>Sent: Wednesday, October 30, 2019 12:55 PM
>To: devel@edk2.groups.io
>Cc: Gao, Liming <liming.gao@intel.com>
>Subject: [PATCH] MdePkg-UefiSpec.h: Add UEFI 2.8 new memory attributes
>
>BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2309
>Add EFI_MEMORY_SP and EFI_MEMORY_CPU_CRYPTO definition into UEFI
>specification header file.
>
>Signed-off-by: Qing Huang <qing.huang@intel.com>
>Cc: Liming Gao <liming.gao@intel.com>
>---
> MdePkg/Include/Uefi/UefiSpec.h | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
>diff --git a/MdePkg/Include/Uefi/UefiSpec.h
>b/MdePkg/Include/Uefi/UefiSpec.h
>index 44a0a6a7fa..5d58faf7ed 100644
>--- a/MdePkg/Include/Uefi/UefiSpec.h
>+++ b/MdePkg/Include/Uefi/UefiSpec.h
>@@ -82,6 +82,26 @@ typedef enum {
> // If all memory has the same reliability, then this bit is not used.
> //
> #define EFI_MEMORY_MORE_RELIABLE    0x0000000000010000ULL
>+
>+//
>+// Note: UEFI spec 2.8 and following:
>+//
>+// Specific-purpose memory (SPM). The memory is earmarked for
>+// specific purposes such as for specific device drivers or applications.
>+// The SPM attribute serves as a hint to the OS to avoid allocating this
>+// memory for core OS data or code that can not be relocated.
>+//
>+#define EFI_MEMORY_SP               0x0000000000040000ULL
>+//
>+// If this flag is set, the memory region is capable of being
>+// 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
>+// cryptographic capabilities or the CPU does not support CPU
>+// memory cryptographic capabilities.
>+//
>+#define EFI_MEMORY_CPU_CRYPTO       0x0000000000080000ULL
>+
> //
> // Runtime memory attribute
> //
>--
>2.17.0.windows.1