3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials are licensed and made available under
6 the terms and conditions of the BSD License that accompanies this distribution.
7 The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php.
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
22 Build GUIDed HOBs for platform specific flash map.
30 #include "EfiFlashMap.h"
31 #include EFI_PROTOCOL_CONSUMER (FirmwareVolumeBlock)
32 #include EFI_GUID_DEFINITION (FlashMapHob)
33 #include EFI_GUID_DEFINITION (SystemNvDataGuid)
34 #include EFI_GUID_DEFINITION (FirmwareFileSystem)
36 EFI_GUID mFvBlockGuid
= EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID
;
37 EFI_GUID mFfsGuid
= EFI_FIRMWARE_FILE_SYSTEM_GUID
;
38 EFI_GUID mSystemDataGuid
= EFI_SYSTEM_NV_DATA_HOB_GUID
;
40 static EFI_FLASH_AREA_DATA mFlashAreaData
[] = {
44 { FixedPcdGet32 (PcdFlashNvStorageVariableBase
),
45 FixedPcdGet32 (PcdFlashNvStorageVariableSize
),
46 EFI_FLASH_AREA_SUBFV
| EFI_FLASH_AREA_MEMMAPPED_FV
,
47 EFI_FLASH_AREA_EFI_VARIABLES
},
50 // Boot block 2nd part
52 { FixedPcdGet32 (PcdFlashFvRecovery2Base
),
53 FixedPcdGet32 (PcdFlashFvRecovery2Size
),
54 EFI_FLASH_AREA_SUBFV
| EFI_FLASH_AREA_MEMMAPPED_FV
,
55 EFI_FLASH_AREA_FTW_BACKUP
},
60 { FixedPcdGet32 (PcdFlashFvRecoveryBase
),
61 FixedPcdGet32 (PcdFlashFvRecoverySize
),
62 EFI_FLASH_AREA_FV
| EFI_FLASH_AREA_MEMMAPPED_FV
,
63 EFI_FLASH_AREA_RECOVERY_BIOS
},
68 { FixedPcdGet32 (PcdFlashFvMainBase
),
69 FixedPcdGet32 (PcdFlashFvMainSize
),
70 EFI_FLASH_AREA_FV
| EFI_FLASH_AREA_MEMMAPPED_FV
,
71 EFI_FLASH_AREA_MAIN_BIOS
}
75 #define NUM_FLASH_AREA_DATA (sizeof (mFlashAreaData) / sizeof (mFlashAreaData[0]))
78 Build GUID HOBs for platform specific flash map.
80 @param FfsHeader Pointer this FFS file header.
81 @param PeiServices General purpose services available to every PEIM.
83 @retval EFI_SUCCESS Guid HOBs for platform flash map is built.
84 @retval Otherwise Failed to build the Guid HOB data.
88 PeimInitializeFlashMap (
89 IN EFI_FFS_FILE_HEADER
*FfsHeader
,
90 IN EFI_PEI_SERVICES
**PeiServices
94 EFI_FLASH_AREA_HOB_DATA FlashHobData
;
97 // Build flash area entries as GUIDed HOBs.
99 for (Index
= 0; Index
< NUM_FLASH_AREA_DATA
; Index
++) {
100 ZeroMem(&FlashHobData
, sizeof (EFI_FLASH_AREA_HOB_DATA
));
102 FlashHobData
.AreaType
= mFlashAreaData
[Index
].AreaType
;
103 FlashHobData
.NumberOfEntries
= 1;
104 FlashHobData
.SubAreaData
.Attributes
= mFlashAreaData
[Index
].Attributes
;
105 FlashHobData
.SubAreaData
.Base
= (EFI_PHYSICAL_ADDRESS
) (UINTN
) mFlashAreaData
[Index
].Base
;
106 FlashHobData
.SubAreaData
.Length
= (EFI_PHYSICAL_ADDRESS
) (UINTN
) mFlashAreaData
[Index
].Length
;
108 switch (FlashHobData
.AreaType
) {
109 case EFI_FLASH_AREA_RECOVERY_BIOS
:
110 case EFI_FLASH_AREA_MAIN_BIOS
:
112 &FlashHobData
.AreaTypeGuid
,
117 &FlashHobData
.SubAreaData
.FileSystem
,
123 case EFI_FLASH_AREA_GUID_DEFINED
:
125 &FlashHobData
.AreaTypeGuid
,
130 &FlashHobData
.SubAreaData
.FileSystem
,
140 PeiBuildHobGuidData(PeiServices
,
141 &gEfiFlashMapHobGuid
,
143 sizeof (EFI_FLASH_AREA_HOB_DATA
)