mirror of https://github.com/acidanthera/audk.git
296 lines
9.8 KiB
C
296 lines
9.8 KiB
C
/** @file
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HOB related definitions in PI.
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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@par Revision Reference:
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Version 1.0.
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**/
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#ifndef __PI_HOB_H__
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#define __PI_HOB_H__
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#include <ProcessorBind.h>
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#include <Pi/PiBootMode.h>
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#include <Uefi/UefiBaseType.h>
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#include <Uefi/UefiMultiPhase.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 0x000A
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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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UINT16 HobType;
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UINT16 HobLength;
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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 ofinEFI_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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EFI_HOB_GENERIC_HEADER Header;
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UINT32 Version;
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EFI_BOOT_MODE BootMode;
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EFI_PHYSICAL_ADDRESS EfiMemoryTop;
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EFI_PHYSICAL_ADDRESS EfiMemoryBottom;
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EFI_PHYSICAL_ADDRESS EfiFreeMemoryTop;
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EFI_PHYSICAL_ADDRESS EfiFreeMemoryBottom;
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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<6F><6E>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,
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/// not the physical attributes of memory.
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///
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typedef struct {
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EFI_HOB_GENERIC_HEADER Header;
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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 postmemory-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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EFI_HOB_GENERIC_HEADER Header;
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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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EFI_HOB_GENERIC_HEADER Header;
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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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EFI_HOB_GENERIC_HEADER Header;
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EFI_HOB_MEMORY_ALLOCATION_HEADER MemoryAllocationHeader;
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EFI_GUID ModuleName;
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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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/// 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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/// 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 first three enumerations 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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//
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// The rest of the settings 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_READ_PROTECTED 0x00000080
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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_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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///
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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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EFI_HOB_GENERIC_HEADER Header;
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EFI_GUID Owner;
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EFI_RESOURCE_TYPE ResourceType;
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EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute;
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EFI_PHYSICAL_ADDRESS PhysicalStart;
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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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EFI_HOB_GENERIC_HEADER Header;
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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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EFI_HOB_GENERIC_HEADER Header;
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EFI_PHYSICAL_ADDRESS BaseAddress;
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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 which 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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EFI_HOB_GENERIC_HEADER Header;
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EFI_PHYSICAL_ADDRESS BaseAddress;
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UINT64 Length;
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EFI_GUID FvName;
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EFI_GUID FileName;
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} EFI_HOB_FIRMWARE_VOLUME2;
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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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EFI_HOB_GENERIC_HEADER Header;
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UINT8 SizeOfMemorySpace;
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UINT8 SizeOfIoSpace;
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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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EFI_HOB_GENERIC_HEADER Header;
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} EFI_HOB_MEMORY_POOL;
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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_CPU *Cpu;
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EFI_HOB_MEMORY_POOL *Pool;
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UINT8 *Raw;
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} EFI_PEI_HOB_POINTERS;
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#endif
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