mirror of https://github.com/acidanthera/audk.git
111 lines
4.0 KiB
C
111 lines
4.0 KiB
C
/*++
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Copyright (c) 2006, 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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Module Name:
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FlashMap.h
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Abstract:
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FlashMap PPI defined in Tiano
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This code abstracts FlashMap access
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--*/
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#ifndef __COMMON_FLASHMAP_H__
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#define __COMMON_FLASHMAP_H__
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#include <Common/Hob.h>
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//
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// Definition for flash map GUIDed HOBs
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//
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typedef UINT32 EFI_FLASH_AREA_ATTRIBUTES;
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#define EFI_FLASH_AREA_FV 0x0001
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#define EFI_FLASH_AREA_SUBFV 0x0002
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#define EFI_FLASH_AREA_MEMMAPPED_FV 0x0004
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#define EFI_FLASH_AREA_REQUIRED 0x0008
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#define EFI_FLASH_AREA_CORRUPT 0x0010
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typedef UINT8 EFI_FLASH_AREA_TYPE;
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#define EFI_FLASH_AREA_RECOVERY_BIOS 0x0 // Recovery code
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#define EFI_FLASH_AREA_MAIN_BIOS 0x1 // Regular BIOS code
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#define EFI_FLASH_AREA_PAL_B 0x2 // PAL-B
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#define EFI_FLASH_AREA_RESERVED_03 0x3 // Reserved for backwards compatibility
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#define EFI_FLASH_AREA_RESERVED_04 0x4 // Reserved for backwards compatibility
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#define EFI_FLASH_AREA_DMI_FRU 0x5 // DMI FRU information
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#define EFI_FLASH_AREA_OEM_BINARY 0x6 // OEM Binary Code/data
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#define EFI_FLASH_AREA_RESERVED_07 0x7 // Reserved for backwards compatibility
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#define EFI_FLASH_AREA_RESERVED_08 0x8 // Reserved for backwards compatibility
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#define EFI_FLASH_AREA_RESERVED_09 0x9 // Reserved for backwards compatibility
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#define EFI_FLASH_AREA_RESERVED_0A 0x0a // Reserved for backwards compatibility
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#define EFI_FLASH_AREA_EFI_VARIABLES 0x0b // EFI variables
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#define EFI_FLASH_AREA_MCA_LOG 0x0c // MCA error log
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#define EFI_FLASH_AREA_SMBIOS_LOG 0x0d // SMBIOS error log
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#define EFI_FLASH_AREA_FTW_BACKUP 0x0e // A backup block during FTW operations
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#define EFI_FLASH_AREA_FTW_STATE 0x0f // State information during FTW operations
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#define EFI_FLASH_AREA_UNUSED 0x0fd // Not used
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#define EFI_FLASH_AREA_GUID_DEFINED 0x0fe // Usage defined by a GUID
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#pragma pack(1)
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//
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// An individual sub-area Entry.
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// A single flash area may consist of more than one sub-area.
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//
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typedef struct {
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EFI_FLASH_AREA_ATTRIBUTES Attributes;
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UINT32 Reserved;
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EFI_PHYSICAL_ADDRESS Base;
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EFI_PHYSICAL_ADDRESS Length;
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EFI_GUID FileSystem;
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} EFI_FLASH_SUBAREA_ENTRY;
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typedef struct {
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UINT8 Reserved[3];
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EFI_FLASH_AREA_TYPE AreaType;
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EFI_GUID AreaTypeGuid;
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UINT32 NumEntries;
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EFI_FLASH_SUBAREA_ENTRY Entries[1];
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} EFI_FLASH_MAP_ENTRY_DATA;
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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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UINT8 Reserved[3];
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EFI_FLASH_AREA_TYPE AreaType;
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EFI_GUID AreaTypeGuid;
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UINT32 NumEntries;
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EFI_FLASH_SUBAREA_ENTRY Entries[1];
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} EFI_HOB_FLASH_MAP_ENTRY_TYPE;
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//
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// Internal definitions
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//
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typedef struct {
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UINT8 Reserved[3];
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EFI_FLASH_AREA_TYPE AreaType;
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EFI_GUID AreaTypeGuid;
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UINT32 NumberOfEntries;
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EFI_FLASH_SUBAREA_ENTRY SubAreaData;
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} EFI_FLASH_AREA_HOB_DATA;
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typedef struct {
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UINTN Base;
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UINTN Length;
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EFI_FLASH_AREA_ATTRIBUTES Attributes;
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EFI_FLASH_AREA_TYPE AreaType;
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} EFI_FLASH_AREA_DATA;
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#pragma pack()
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#endif
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