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-rw-r--r--sys/contrib/edk2/Include/Guid/MemoryAttributesTable.h32
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diff --git a/sys/contrib/edk2/Include/Guid/MemoryAttributesTable.h b/sys/contrib/edk2/Include/Guid/MemoryAttributesTable.h
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+++ b/sys/contrib/edk2/Include/Guid/MemoryAttributesTable.h
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+/** @file
+ GUIDs used for UEFI Memory Attributes Table in the UEFI 2.6 specification.
+
+ Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __UEFI_MEMORY_ATTRIBUTES_TABLE_H__
+#define __UEFI_MEMORY_ATTRIBUTES_TABLE_H__
+
+#define EFI_MEMORY_ATTRIBUTES_TABLE_GUID {\
+ 0xdcfa911d, 0x26eb, 0x469f, {0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20} \
+}
+
+typedef struct {
+ UINT32 Version;
+ UINT32 NumberOfEntries;
+ UINT32 DescriptorSize;
+ UINT32 Flags;
+ // EFI_MEMORY_DESCRIPTOR Entry[1];
+} EFI_MEMORY_ATTRIBUTES_TABLE;
+
+#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;
+
+#endif