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/*
* Copyright (C) 2025 Intel Corporation
*
* Author: Isaku Yamahata <isaku.yamahata at gmail.com>
* <isaku.yamahata at intel.com>
* Xiaoyao Li <xiaoyao.li@intel.com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef HW_I386_UEFI_H
#define HW_I386_UEFI_H
/***************************************************************************/
/*
* basic EFI definitions
* supplemented with UEFI Specification Version 2.8 (Errata A)
* released February 2020
*/
/* UEFI integer is little endian */
typedef struct {
uint32_t Data1;
uint16_t Data2;
uint16_t Data3;
uint8_t Data4[8];
} EFI_GUID;
typedef enum {
EfiReservedMemoryType,
EfiLoaderCode,
EfiLoaderData,
EfiBootServicesCode,
EfiBootServicesData,
EfiRuntimeServicesCode,
EfiRuntimeServicesData,
EfiConventionalMemory,
EfiUnusableMemory,
EfiACPIReclaimMemory,
EfiACPIMemoryNVS,
EfiMemoryMappedIO,
EfiMemoryMappedIOPortSpace,
EfiPalCode,
EfiPersistentMemory,
EfiUnacceptedMemoryType,
EfiMaxMemoryType
} EFI_MEMORY_TYPE;
#define EFI_HOB_HANDOFF_TABLE_VERSION 0x0009
#define EFI_HOB_TYPE_HANDOFF 0x0001
#define EFI_HOB_TYPE_MEMORY_ALLOCATION 0x0002
#define EFI_HOB_TYPE_RESOURCE_DESCRIPTOR 0x0003
#define EFI_HOB_TYPE_GUID_EXTENSION 0x0004
#define EFI_HOB_TYPE_FV 0x0005
#define EFI_HOB_TYPE_CPU 0x0006
#define EFI_HOB_TYPE_MEMORY_POOL 0x0007
#define EFI_HOB_TYPE_FV2 0x0009
#define EFI_HOB_TYPE_LOAD_PEIM_UNUSED 0x000A
#define EFI_HOB_TYPE_UEFI_CAPSULE 0x000B
#define EFI_HOB_TYPE_FV3 0x000C
#define EFI_HOB_TYPE_UNUSED 0xFFFE
#define EFI_HOB_TYPE_END_OF_HOB_LIST 0xFFFF
typedef struct {
uint16_t HobType;
uint16_t HobLength;
uint32_t Reserved;
} EFI_HOB_GENERIC_HEADER;
typedef uint64_t EFI_PHYSICAL_ADDRESS;
typedef uint32_t EFI_BOOT_MODE;
typedef struct {
EFI_HOB_GENERIC_HEADER Header;
uint32_t Version;
EFI_BOOT_MODE BootMode;
EFI_PHYSICAL_ADDRESS EfiMemoryTop;
EFI_PHYSICAL_ADDRESS EfiMemoryBottom;
EFI_PHYSICAL_ADDRESS EfiFreeMemoryTop;
EFI_PHYSICAL_ADDRESS EfiFreeMemoryBottom;
EFI_PHYSICAL_ADDRESS EfiEndOfHobList;
} EFI_HOB_HANDOFF_INFO_TABLE;
#define EFI_RESOURCE_SYSTEM_MEMORY 0x00000000
#define EFI_RESOURCE_MEMORY_MAPPED_IO 0x00000001
#define EFI_RESOURCE_IO 0x00000002
#define EFI_RESOURCE_FIRMWARE_DEVICE 0x00000003
#define EFI_RESOURCE_MEMORY_MAPPED_IO_PORT 0x00000004
#define EFI_RESOURCE_MEMORY_RESERVED 0x00000005
#define EFI_RESOURCE_IO_RESERVED 0x00000006
#define EFI_RESOURCE_MEMORY_UNACCEPTED 0x00000007
#define EFI_RESOURCE_MAX_MEMORY_TYPE 0x00000008
#define EFI_RESOURCE_ATTRIBUTE_PRESENT 0x00000001
#define EFI_RESOURCE_ATTRIBUTE_INITIALIZED 0x00000002
#define EFI_RESOURCE_ATTRIBUTE_TESTED 0x00000004
#define EFI_RESOURCE_ATTRIBUTE_SINGLE_BIT_ECC 0x00000008
#define EFI_RESOURCE_ATTRIBUTE_MULTIPLE_BIT_ECC 0x00000010
#define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_1 0x00000020
#define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_2 0x00000040
#define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED 0x00000080
#define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED 0x00000100
#define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED 0x00000200
#define EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE 0x00000400
#define EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE 0x00000800
#define EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE 0x00001000
#define EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE 0x00002000
#define EFI_RESOURCE_ATTRIBUTE_16_BIT_IO 0x00004000
#define EFI_RESOURCE_ATTRIBUTE_32_BIT_IO 0x00008000
#define EFI_RESOURCE_ATTRIBUTE_64_BIT_IO 0x00010000
#define EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED 0x00020000
#define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED 0x00040000
#define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE 0x00080000
#define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE 0x00100000
#define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE 0x00200000
#define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE 0x00400000
#define EFI_RESOURCE_ATTRIBUTE_PERSISTENT 0x00800000
#define EFI_RESOURCE_ATTRIBUTE_PERSISTABLE 0x01000000
#define EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE 0x02000000
typedef uint32_t EFI_RESOURCE_TYPE;
typedef uint32_t EFI_RESOURCE_ATTRIBUTE_TYPE;
typedef struct {
EFI_HOB_GENERIC_HEADER Header;
EFI_GUID Owner;
EFI_RESOURCE_TYPE ResourceType;
EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;
EFI_PHYSICAL_ADDRESS PhysicalStart;
uint64_t ResourceLength;
} EFI_HOB_RESOURCE_DESCRIPTOR;
typedef struct {
EFI_HOB_GENERIC_HEADER Header;
EFI_GUID Name;
/* guid specific data follows */
} EFI_HOB_GUID_TYPE;
typedef struct {
EFI_HOB_GENERIC_HEADER Header;
EFI_PHYSICAL_ADDRESS BaseAddress;
uint64_t Length;
} EFI_HOB_FIRMWARE_VOLUME;
typedef struct {
EFI_HOB_GENERIC_HEADER Header;
EFI_PHYSICAL_ADDRESS BaseAddress;
uint64_t Length;
EFI_GUID FvName;
EFI_GUID FileName;
} EFI_HOB_FIRMWARE_VOLUME2;
typedef struct {
EFI_HOB_GENERIC_HEADER Header;
EFI_PHYSICAL_ADDRESS BaseAddress;
uint64_t Length;
uint32_t AuthenticationStatus;
bool ExtractedFv;
EFI_GUID FvName;
EFI_GUID FileName;
} EFI_HOB_FIRMWARE_VOLUME3;
typedef struct {
EFI_HOB_GENERIC_HEADER Header;
uint8_t SizeOfMemorySpace;
uint8_t SizeOfIoSpace;
uint8_t Reserved[6];
} EFI_HOB_CPU;
typedef struct {
EFI_HOB_GENERIC_HEADER Header;
} EFI_HOB_MEMORY_POOL;
typedef struct {
EFI_HOB_GENERIC_HEADER Header;
EFI_PHYSICAL_ADDRESS BaseAddress;
uint64_t Length;
} EFI_HOB_UEFI_CAPSULE;
#define EFI_HOB_OWNER_ZERO \
((EFI_GUID){ 0x00000000, 0x0000, 0x0000, \
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } })
#endif
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