/** @file GUIDs used for UEFI Memory Attributes Table in the UEFI 2.6 specification. Copyright (c) 2016, Intel Corporation. All rights reserved.
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