| 1 | /** @file
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| 2 | GUIDs used for UEFI Memory Attributes Table in the UEFI 2.6 specification.
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| 3 |
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| 4 | Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
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| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 6 |
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| 7 | **/
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| 8 |
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| 9 | #ifndef __UEFI_MEMORY_ATTRIBUTES_TABLE_H__
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| 10 | #define __UEFI_MEMORY_ATTRIBUTES_TABLE_H__
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| 11 |
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| 12 | #define EFI_MEMORY_ATTRIBUTES_TABLE_GUID {\
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| 13 | 0xdcfa911d, 0x26eb, 0x469f, {0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20} \
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| 14 | }
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| 15 |
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| 16 | typedef struct {
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| 17 | UINT32 Version;
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| 18 | UINT32 NumberOfEntries;
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| 19 | UINT32 DescriptorSize;
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| 20 | UINT32 Flags;
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| 21 | // EFI_MEMORY_DESCRIPTOR Entry[1];
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| 22 | } EFI_MEMORY_ATTRIBUTES_TABLE;
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| 23 |
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| 24 | #define EFI_MEMORY_ATTRIBUTES_TABLE_VERSION 0x00000002
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| 25 |
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| 26 | #define EFI_MEMORY_ATTRIBUTES_FLAGS_RT_FORWARD_CONTROL_FLOW_GUARD 0x1
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| 27 | // BIT0 implies that Runtime code includes the forward control flow guard
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| 28 | // instruction, such as X86 CET-IBT or ARM BTI.
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| 29 |
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| 30 | extern EFI_GUID gEfiMemoryAttributesTableGuid;
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| 31 |
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| 32 | #endif
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