* [edk2-devel] [PATCH] MdePkg: Add a new memory type definition
@ 2023-12-07 9:51 ManickamX Srinivasan
0 siblings, 0 replies; only message in thread
From: ManickamX Srinivasan @ 2023-12-07 9:51 UTC (permalink / raw)
To: devel
Cc: ManickamX Srinivasan, Michael D Kinney, Liming Gao, Zhiguang Liu,
T V Krishnamoorthy
New memory type as defined in UEFI standard v2.9.
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Cc: T V Krishnamoorthy <krishnamoorthy.t.v@intel.com>
Signed-off-by: ManickamX Srinivasan <manickamx.srinivasan@intel.com>
---
MdePkg/Include/Uefi/UefiSpec.h | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h
index 08db17e674..d583ee17d0 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
//
@@ -898,7 +913,7 @@ EFI_STATUS
(EFIAPI *EFI_IMAGE_LOAD)(
IN BOOLEAN BootPolicy,
IN EFI_HANDLE ParentImageHandle,
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath OPTIONAL,
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
IN VOID *SourceBuffer OPTIONAL,
IN UINTN SourceSize,
OUT EFI_HANDLE *ImageHandle
--
2.30.2.windows.1
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