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513 lines
17 KiB
C
513 lines
17 KiB
C
/** @file
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HOB related definitions in PI.
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Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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@par Revision Reference:
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PI Version 1.6
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**/
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#ifndef __PI_HOB_H__
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#define __PI_HOB_H__
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//
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// HobType of EFI_HOB_GENERIC_HEADER.
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//
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#define EFI_HOB_TYPE_HANDOFF 0x0001
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#define EFI_HOB_TYPE_MEMORY_ALLOCATION 0x0002
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#define EFI_HOB_TYPE_RESOURCE_DESCRIPTOR 0x0003
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#define EFI_HOB_TYPE_GUID_EXTENSION 0x0004
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#define EFI_HOB_TYPE_FV 0x0005
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#define EFI_HOB_TYPE_CPU 0x0006
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#define EFI_HOB_TYPE_MEMORY_POOL 0x0007
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#define EFI_HOB_TYPE_FV2 0x0009
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#define EFI_HOB_TYPE_LOAD_PEIM_UNUSED 0x000A
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#define EFI_HOB_TYPE_UEFI_CAPSULE 0x000B
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#define EFI_HOB_TYPE_FV3 0x000C
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#define EFI_HOB_TYPE_UNUSED 0xFFFE
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#define EFI_HOB_TYPE_END_OF_HOB_LIST 0xFFFF
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///
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/// Describes the format and size of the data inside the HOB.
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/// All HOBs must contain this generic HOB header.
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///
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typedef struct {
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///
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/// Identifies the HOB data structure type.
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///
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UINT16 HobType;
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///
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/// The length in bytes of the HOB.
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///
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UINT16 HobLength;
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///
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/// This field must always be set to zero.
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///
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UINT32 Reserved;
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} EFI_HOB_GENERIC_HEADER;
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///
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/// Value of version in EFI_HOB_HANDOFF_INFO_TABLE.
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///
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#define EFI_HOB_HANDOFF_TABLE_VERSION 0x0009
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///
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/// Contains general state information used by the HOB producer phase.
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/// This HOB must be the first one in the HOB list.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_HANDOFF.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// The version number pertaining to the PHIT HOB definition.
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/// This value is four bytes in length to provide an 8-byte aligned entry
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/// when it is combined with the 4-byte BootMode.
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///
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UINT32 Version;
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///
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/// The system boot mode as determined during the HOB producer phase.
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///
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EFI_BOOT_MODE BootMode;
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///
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/// The highest address location of memory that is allocated for use by the HOB producer
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/// phase. This address must be 4-KB aligned to meet page restrictions of UEFI.
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///
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EFI_PHYSICAL_ADDRESS EfiMemoryTop;
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///
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/// The lowest address location of memory that is allocated for use by the HOB producer phase.
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///
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EFI_PHYSICAL_ADDRESS EfiMemoryBottom;
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///
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/// The highest address location of free memory that is currently available
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/// for use by the HOB producer phase.
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///
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EFI_PHYSICAL_ADDRESS EfiFreeMemoryTop;
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///
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/// The lowest address location of free memory that is available for use by the HOB producer phase.
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///
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EFI_PHYSICAL_ADDRESS EfiFreeMemoryBottom;
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///
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/// The end of the HOB list.
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///
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EFI_PHYSICAL_ADDRESS EfiEndOfHobList;
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} EFI_HOB_HANDOFF_INFO_TABLE;
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///
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/// EFI_HOB_MEMORY_ALLOCATION_HEADER describes the
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/// various attributes of the logical memory allocation. The type field will be used for
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/// subsequent inclusion in the UEFI memory map.
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///
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typedef struct {
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///
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/// A GUID that defines the memory allocation region's type and purpose, as well as
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/// other fields within the memory allocation HOB. This GUID is used to define the
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/// additional data within the HOB that may be present for the memory allocation HOB.
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/// Type EFI_GUID is defined in InstallProtocolInterface() in the UEFI 2.0
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/// specification.
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///
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EFI_GUID Name;
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///
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/// The base address of memory allocated by this HOB. Type
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/// EFI_PHYSICAL_ADDRESS is defined in AllocatePages() in the UEFI 2.0
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/// specification.
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///
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EFI_PHYSICAL_ADDRESS MemoryBaseAddress;
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///
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/// The length in bytes of memory allocated by this HOB.
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///
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UINT64 MemoryLength;
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///
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/// Defines the type of memory allocated by this HOB. The memory type definition
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/// follows the EFI_MEMORY_TYPE definition. Type EFI_MEMORY_TYPE is defined
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/// in AllocatePages() in the UEFI 2.0 specification.
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///
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EFI_MEMORY_TYPE MemoryType;
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///
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/// Padding for Itanium processor family
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///
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UINT8 Reserved[4];
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} EFI_HOB_MEMORY_ALLOCATION_HEADER;
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///
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/// Describes all memory ranges used during the HOB producer
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/// phase that exist outside the HOB list. This HOB type
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/// describes how memory is used, not the physical attributes of memory.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the
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/// various attributes of the logical memory allocation.
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///
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EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor;
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//
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// Additional data pertaining to the "Name" Guid memory
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// may go here.
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//
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} EFI_HOB_MEMORY_ALLOCATION;
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///
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/// Describes the memory stack that is produced by the HOB producer
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/// phase and upon which all post-memory-installed executable
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/// content in the HOB producer phase is executing.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the
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/// various attributes of the logical memory allocation.
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///
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EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor;
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} EFI_HOB_MEMORY_ALLOCATION_STACK;
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///
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/// Defines the location of the boot-strap
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/// processor (BSP) BSPStore ("Backing Store Pointer Store").
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/// This HOB is valid for the Itanium processor family only
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/// register overflow store.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the
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/// various attributes of the logical memory allocation.
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///
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EFI_HOB_MEMORY_ALLOCATION_HEADER AllocDescriptor;
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} EFI_HOB_MEMORY_ALLOCATION_BSP_STORE;
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///
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/// Defines the location and entry point of the HOB consumer phase.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_ALLOCATION.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// An instance of the EFI_HOB_MEMORY_ALLOCATION_HEADER that describes the
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/// various attributes of the logical memory allocation.
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///
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EFI_HOB_MEMORY_ALLOCATION_HEADER MemoryAllocationHeader;
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///
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/// The GUID specifying the values of the firmware file system name
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/// that contains the HOB consumer phase component.
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///
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EFI_GUID ModuleName;
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///
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/// The address of the memory-mapped firmware volume
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/// that contains the HOB consumer phase firmware file.
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///
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EFI_PHYSICAL_ADDRESS EntryPoint;
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} EFI_HOB_MEMORY_ALLOCATION_MODULE;
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///
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/// The resource type.
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///
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typedef UINT32 EFI_RESOURCE_TYPE;
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//
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// Value of ResourceType in EFI_HOB_RESOURCE_DESCRIPTOR.
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//
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#define EFI_RESOURCE_SYSTEM_MEMORY 0x00000000
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#define EFI_RESOURCE_MEMORY_MAPPED_IO 0x00000001
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#define EFI_RESOURCE_IO 0x00000002
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#define EFI_RESOURCE_FIRMWARE_DEVICE 0x00000003
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#define EFI_RESOURCE_MEMORY_MAPPED_IO_PORT 0x00000004
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#define EFI_RESOURCE_MEMORY_RESERVED 0x00000005
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#define EFI_RESOURCE_IO_RESERVED 0x00000006
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#define EFI_RESOURCE_MAX_MEMORY_TYPE 0x00000007
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///
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/// A type of recount attribute type.
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///
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typedef UINT32 EFI_RESOURCE_ATTRIBUTE_TYPE;
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//
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// These types can be ORed together as needed.
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//
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// The following attributes are used to describe settings
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//
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#define EFI_RESOURCE_ATTRIBUTE_PRESENT 0x00000001
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#define EFI_RESOURCE_ATTRIBUTE_INITIALIZED 0x00000002
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#define EFI_RESOURCE_ATTRIBUTE_TESTED 0x00000004
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#define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTED 0x00000080
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//
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// This is typically used as memory cacheability attribute today.
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// NOTE: Since PI spec 1.4, please use EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED
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// as Physical write protected attribute, and EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED
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// means Memory cacheability attribute: The memory supports being programmed with
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// a writeprotected cacheable attribute.
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//
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#define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTED 0x00000100
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#define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTED 0x00000200
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#define EFI_RESOURCE_ATTRIBUTE_PERSISTENT 0x00800000
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//
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// The rest of the attributes are used to describe capabilities
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//
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#define EFI_RESOURCE_ATTRIBUTE_SINGLE_BIT_ECC 0x00000008
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#define EFI_RESOURCE_ATTRIBUTE_MULTIPLE_BIT_ECC 0x00000010
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#define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_1 0x00000020
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#define EFI_RESOURCE_ATTRIBUTE_ECC_RESERVED_2 0x00000040
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#define EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE 0x00000400
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#define EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE 0x00000800
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#define EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE 0x00001000
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#define EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE 0x00002000
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#define EFI_RESOURCE_ATTRIBUTE_16_BIT_IO 0x00004000
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#define EFI_RESOURCE_ATTRIBUTE_32_BIT_IO 0x00008000
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#define EFI_RESOURCE_ATTRIBUTE_64_BIT_IO 0x00010000
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#define EFI_RESOURCE_ATTRIBUTE_UNCACHED_EXPORTED 0x00020000
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#define EFI_RESOURCE_ATTRIBUTE_READ_PROTECTABLE 0x00100000
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//
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// This is typically used as memory cacheability attribute today.
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// NOTE: Since PI spec 1.4, please use EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE
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// as Memory capability attribute: The memory supports being protected from processor
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// writes, and EFI_RESOURCE_ATTRIBUTE_WRITE_PROTEC TABLE means Memory cacheability attribute:
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// The memory supports being programmed with a writeprotected cacheable attribute.
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//
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#define EFI_RESOURCE_ATTRIBUTE_WRITE_PROTECTABLE 0x00200000
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#define EFI_RESOURCE_ATTRIBUTE_EXECUTION_PROTECTABLE 0x00400000
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#define EFI_RESOURCE_ATTRIBUTE_PERSISTABLE 0x01000000
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#define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTED 0x00040000
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#define EFI_RESOURCE_ATTRIBUTE_READ_ONLY_PROTECTABLE 0x00080000
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//
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// Physical memory relative reliability attribute. This
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// memory provides higher reliability relative to other
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// memory in the system. If all memory has the same
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// reliability, then this bit is not used.
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//
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#define EFI_RESOURCE_ATTRIBUTE_MORE_RELIABLE 0x02000000
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///
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/// Describes the resource properties of all fixed,
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/// nonrelocatable resource ranges found on the processor
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/// host bus during the HOB producer phase.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_RESOURCE_DESCRIPTOR.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// A GUID representing the owner of the resource. This GUID is used by HOB
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/// consumer phase components to correlate device ownership of a resource.
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///
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EFI_GUID Owner;
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///
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/// The resource type enumeration as defined by EFI_RESOURCE_TYPE.
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///
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EFI_RESOURCE_TYPE ResourceType;
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///
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/// Resource attributes as defined by EFI_RESOURCE_ATTRIBUTE_TYPE.
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///
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EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;
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///
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/// The physical start address of the resource region.
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///
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EFI_PHYSICAL_ADDRESS PhysicalStart;
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///
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/// The number of bytes of the resource region.
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///
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UINT64 ResourceLength;
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} EFI_HOB_RESOURCE_DESCRIPTOR;
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///
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/// Allows writers of executable content in the HOB producer phase to
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/// maintain and manage HOBs with specific GUID.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_GUID_EXTENSION.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// A GUID that defines the contents of this HOB.
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///
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EFI_GUID Name;
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//
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// Guid specific data goes here
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//
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} EFI_HOB_GUID_TYPE;
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///
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/// Details the location of firmware volumes that contain firmware files.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_FV.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// The physical memory-mapped base address of the firmware volume.
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///
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EFI_PHYSICAL_ADDRESS BaseAddress;
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///
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/// The length in bytes of the firmware volume.
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///
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UINT64 Length;
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} EFI_HOB_FIRMWARE_VOLUME;
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///
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/// Details the location of a firmware volume that was extracted
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/// from a file within another firmware volume.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_FV2.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// The physical memory-mapped base address of the firmware volume.
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///
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EFI_PHYSICAL_ADDRESS BaseAddress;
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///
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/// The length in bytes of the firmware volume.
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///
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UINT64 Length;
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///
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/// The name of the firmware volume.
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///
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EFI_GUID FvName;
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///
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/// The name of the firmware file that contained this firmware volume.
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///
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EFI_GUID FileName;
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} EFI_HOB_FIRMWARE_VOLUME2;
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///
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/// Details the location of a firmware volume that was extracted
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/// from a file within another firmware volume.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_FV3.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// The physical memory-mapped base address of the firmware volume.
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///
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EFI_PHYSICAL_ADDRESS BaseAddress;
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///
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/// The length in bytes of the firmware volume.
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///
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UINT64 Length;
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///
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/// The authentication status.
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///
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UINT32 AuthenticationStatus;
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///
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/// TRUE if the FV was extracted as a file within another firmware volume.
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/// FALSE otherwise.
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///
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BOOLEAN ExtractedFv;
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///
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/// The name of the firmware volume.
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/// Valid only if IsExtractedFv is TRUE.
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///
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EFI_GUID FvName;
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///
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/// The name of the firmware file that contained this firmware volume.
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/// Valid only if IsExtractedFv is TRUE.
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///
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EFI_GUID FileName;
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} EFI_HOB_FIRMWARE_VOLUME3;
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///
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/// Describes processor information, such as address space and I/O space capabilities.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_CPU.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// Identifies the maximum physical memory addressability of the processor.
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///
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UINT8 SizeOfMemorySpace;
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///
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/// Identifies the maximum physical I/O addressability of the processor.
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///
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UINT8 SizeOfIoSpace;
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///
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/// This field will always be set to zero.
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///
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UINT8 Reserved[6];
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} EFI_HOB_CPU;
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///
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/// Describes pool memory allocations.
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///
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typedef struct {
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///
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/// The HOB generic header. Header.HobType = EFI_HOB_TYPE_MEMORY_POOL.
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///
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EFI_HOB_GENERIC_HEADER Header;
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} EFI_HOB_MEMORY_POOL;
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///
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/// Each UEFI capsule HOB details the location of a UEFI capsule. It includes a base address and length
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/// which is based upon memory blocks with a EFI_CAPSULE_HEADER and the associated
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/// CapsuleImageSize-based payloads. These HOB's shall be created by the PEI PI firmware
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/// sometime after the UEFI UpdateCapsule service invocation with the
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/// CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE flag set in the EFI_CAPSULE_HEADER.
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///
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typedef struct {
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///
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/// The HOB generic header where Header.HobType = EFI_HOB_TYPE_UEFI_CAPSULE.
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///
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EFI_HOB_GENERIC_HEADER Header;
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///
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/// The physical memory-mapped base address of an UEFI capsule. This value is set to
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/// point to the base of the contiguous memory of the UEFI capsule.
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/// The length of the contiguous memory in bytes.
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///
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EFI_PHYSICAL_ADDRESS BaseAddress;
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UINT64 Length;
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} EFI_HOB_UEFI_CAPSULE;
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///
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/// Union of all the possible HOB Types.
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///
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typedef union {
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EFI_HOB_GENERIC_HEADER *Header;
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EFI_HOB_HANDOFF_INFO_TABLE *HandoffInformationTable;
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EFI_HOB_MEMORY_ALLOCATION *MemoryAllocation;
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EFI_HOB_MEMORY_ALLOCATION_BSP_STORE *MemoryAllocationBspStore;
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EFI_HOB_MEMORY_ALLOCATION_STACK *MemoryAllocationStack;
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EFI_HOB_MEMORY_ALLOCATION_MODULE *MemoryAllocationModule;
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EFI_HOB_RESOURCE_DESCRIPTOR *ResourceDescriptor;
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EFI_HOB_GUID_TYPE *Guid;
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EFI_HOB_FIRMWARE_VOLUME *FirmwareVolume;
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EFI_HOB_FIRMWARE_VOLUME2 *FirmwareVolume2;
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EFI_HOB_FIRMWARE_VOLUME3 *FirmwareVolume3;
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EFI_HOB_CPU *Cpu;
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EFI_HOB_MEMORY_POOL *Pool;
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EFI_HOB_UEFI_CAPSULE *Capsule;
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UINT8 *Raw;
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} EFI_PEI_HOB_POINTERS;
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#endif
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