diff options
Diffstat (limited to 'MdeModulePkg/Include/Common')
| -rw-r--r-- | MdeModulePkg/Include/Common/FlashMap.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Common/FlashMap.h b/MdeModulePkg/Include/Common/FlashMap.h new file mode 100644 index 0000000000..0473a69355 --- /dev/null +++ b/MdeModulePkg/Include/Common/FlashMap.h @@ -0,0 +1,112 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+Module Name:
+
+ FlashMap.h
+
+Abstract:
+
+ FlashMap PPI defined in Tiano
+
+ This code abstracts FlashMap access
+
+--*/
+
+#ifndef __COMMON_FLASHMAP_H__
+#define __COMMON_FLASHMAP_H__
+
+#include <Common/FrameworkHob.h>
+//
+// Definition for flash map GUIDed HOBs
+//
+typedef UINT32 EFI_FLASH_AREA_ATTRIBUTES;
+
+#define EFI_FLASH_AREA_FV 0x0001
+#define EFI_FLASH_AREA_SUBFV 0x0002
+#define EFI_FLASH_AREA_MEMMAPPED_FV 0x0004
+#define EFI_FLASH_AREA_REQUIRED 0x0008
+#define EFI_FLASH_AREA_CORRUPT 0x0010
+
+typedef UINT8 EFI_FLASH_AREA_TYPE;
+
+#define EFI_FLASH_AREA_RECOVERY_BIOS 0x0 // Recovery code
+#define EFI_FLASH_AREA_MAIN_BIOS 0x1 // Regular BIOS code
+#define EFI_FLASH_AREA_PAL_B 0x2 // PAL-B
+#define EFI_FLASH_AREA_RESERVED_03 0x3 // Reserved for backwards compatibility
+#define EFI_FLASH_AREA_RESERVED_04 0x4 // Reserved for backwards compatibility
+#define EFI_FLASH_AREA_DMI_FRU 0x5 // DMI FRU information
+#define EFI_FLASH_AREA_OEM_BINARY 0x6 // OEM Binary Code/data
+#define EFI_FLASH_AREA_RESERVED_07 0x7 // Reserved for backwards compatibility
+#define EFI_FLASH_AREA_RESERVED_08 0x8 // Reserved for backwards compatibility
+#define EFI_FLASH_AREA_RESERVED_09 0x9 // Reserved for backwards compatibility
+#define EFI_FLASH_AREA_RESERVED_0A 0x0a // Reserved for backwards compatibility
+#define EFI_FLASH_AREA_EFI_VARIABLES 0x0b // EFI variables
+#define EFI_FLASH_AREA_MCA_LOG 0x0c // MCA error log
+#define EFI_FLASH_AREA_SMBIOS_LOG 0x0d // SMBIOS error log
+#define EFI_FLASH_AREA_FTW_BACKUP 0x0e // A backup block during FTW operations
+#define EFI_FLASH_AREA_FTW_STATE 0x0f // State information during FTW operations
+#define EFI_FLASH_AREA_UNUSED 0x0fd // Not used
+#define EFI_FLASH_AREA_GUID_DEFINED 0x0fe // Usage defined by a GUID
+#pragma pack(1)
+//
+// An individual sub-area Entry.
+// A single flash area may consist of more than one sub-area.
+//
+typedef struct {
+ EFI_FLASH_AREA_ATTRIBUTES Attributes;
+ UINT32 Reserved;
+ EFI_PHYSICAL_ADDRESS Base;
+ EFI_PHYSICAL_ADDRESS Length;
+ EFI_GUID FileSystem;
+} EFI_FLASH_SUBAREA_ENTRY;
+
+typedef struct {
+ UINT8 Reserved[3];
+ EFI_FLASH_AREA_TYPE AreaType;
+ EFI_GUID AreaTypeGuid;
+ UINT32 NumEntries;
+ EFI_FLASH_SUBAREA_ENTRY Entries[1];
+} EFI_FLASH_MAP_ENTRY_DATA;
+
+typedef struct {
+ EFI_HOB_GENERIC_HEADER Header;
+ EFI_GUID Name;
+ UINT8 Reserved[3];
+ EFI_FLASH_AREA_TYPE AreaType;
+ EFI_GUID AreaTypeGuid;
+ UINT32 NumEntries;
+ EFI_FLASH_SUBAREA_ENTRY Entries[1];
+} EFI_HOB_FLASH_MAP_ENTRY_TYPE;
+
+//
+// Internal definitions
+//
+typedef struct {
+ UINT8 Reserved[3];
+ EFI_FLASH_AREA_TYPE AreaType;
+ EFI_GUID AreaTypeGuid;
+ UINT32 NumberOfEntries;
+ EFI_FLASH_SUBAREA_ENTRY SubAreaData;
+} EFI_FLASH_AREA_HOB_DATA;
+
+typedef struct {
+ UINTN Base;
+ UINTN Length;
+ EFI_FLASH_AREA_ATTRIBUTES Attributes;
+ EFI_FLASH_AREA_TYPE AreaType;
+ UINT8 Reserved[3];
+ EFI_GUID AreaTypeGuid;
+} EFI_FLASH_AREA_DATA;
+
+#pragma pack()
+
+#endif
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