diff options
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/Guid/MemoryAttributesTable.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/MdePkg/Include/Guid/MemoryAttributesTable.h b/MdePkg/Include/Guid/MemoryAttributesTable.h index 82f83a67b9..238c14ff92 100644 --- a/MdePkg/Include/Guid/MemoryAttributesTable.h +++ b/MdePkg/Include/Guid/MemoryAttributesTable.h @@ -17,11 +17,15 @@ typedef struct { UINT32 Version;
UINT32 NumberOfEntries;
UINT32 DescriptorSize;
- UINT32 Reserved;
+ UINT32 Flags;
// EFI_MEMORY_DESCRIPTOR Entry[1];
} EFI_MEMORY_ATTRIBUTES_TABLE;
-#define EFI_MEMORY_ATTRIBUTES_TABLE_VERSION 0x00000001
+#define EFI_MEMORY_ATTRIBUTES_TABLE_VERSION 0x00000002
+
+#define EFI_MEMORY_ATTRIBUTES_FLAGS_RT_FORWARD_CONTROL_FLOW_GUARD 0x1
+// BIT0 implies that Runtime code includes the forward control flow guard
+// instruction, such as X86 CET-IBT or ARM BTI.
extern EFI_GUID gEfiMemoryAttributesTableGuid;
|