From c18708d2f002a6ea43ed65d6c76dc4020687005c Mon Sep 17 00:00:00 2001 From: "Huang, Qing" Date: Wed, 30 Oct 2019 12:54:34 +0800 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 Cc: Liming Gao Reviewed-by: Liming Gao --- 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..444aa35eca 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 // -- 2.39.2