From 85a5141a320980e1479343a62731517e197f784e Mon Sep 17 00:00:00 2001 From: ManickamX Srinivasan Date: Thu, 7 Dec 2023 21:37:11 -0800 Subject: [PATCH] MdePkg: Add UEFI v2.10 ISA memory type definition New memory type as defined in UEFI standard v2.10 Cc: Michael D Kinney Cc: Liming Gao Cc: Zhiguang Liu Cc: T V Krishnamoorthy Signed-off-by: ManickamX Srinivasan Reviewed-by: Zhiguang Liu Reviewed-by: Michael D Kinney --- MdePkg/Include/Uefi/UefiSpec.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h index e83e14d347..5de00e8ea2 100644 --- a/MdePkg/Include/Uefi/UefiSpec.h +++ b/MdePkg/Include/Uefi/UefiSpec.h @@ -110,6 +110,21 @@ typedef enum { // #define EFI_MEMORY_RUNTIME 0x8000000000000000ULL +// +// If this flag is set, the memory region is +// described with additional ISA-specific memory attributes +// as specified in EFI_MEMORY_ISA_MASK. +// +#define EFI_MEMORY_ISA_VALID 0x4000000000000000ULL + +// +// Defines the bits reserved for describing optional ISA-specific cacheability +// attributes that are not covered by the standard UEFI Memory Attributes cacheability +// bits (EFI_MEMORY_UC, EFI_MEMORY_WC, EFI_MEMORY_WT, EFI_MEMORY_WB and EFI_MEMORY_UCE). +// See Calling Conventions for further ISA-specific enumeration of these bits. +// +#define EFI_MEMORY_ISA_MASK 0x0FFFF00000000000ULL + // // Attributes bitmasks, grouped by type //