/*++ | |
Copyright (c) 2006 - 2008, 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: | |
FvbInfo.c | |
Abstract: | |
Defines data structure that is the volume header found.These data is intent | |
to decouple FVB driver with FV header. | |
--*/ | |
#include "PiDxe.h" | |
#include <Guid/EventGroup.h> | |
#include <Protocol/FirmwareVolumeBlock.h> | |
#include <Protocol/DevicePath.h> | |
#include <Library/UefiLib.h> | |
#include <Library/UefiDriverEntryPoint.h> | |
#include <Library/BaseLib.h> | |
#include <Library/DxeServicesTableLib.h> | |
#include <Library/UefiRuntimeLib.h> | |
#include <Library/DebugLib.h> | |
#include <Library/HobLib.h> | |
#include <Library/BaseMemoryLib.h> | |
#include <Library/MemoryAllocationLib.h> | |
#include <Library/UefiBootServicesTableLib.h> | |
#include <Library/PcdLib.h> | |
#include <Library/DevicePathLib.h> | |
#include <Guid/FirmwareFileSystem2.h> | |
#include <Guid/SystemNvDataGuid.h> | |
typedef struct { | |
UINT64 FvLength; | |
EFI_FIRMWARE_VOLUME_HEADER FvbInfo; | |
// | |
// EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0 | |
// | |
EFI_FV_BLOCK_MAP_ENTRY End[1]; | |
} EFI_FVB_MEDIA_INFO; | |
EFI_FVB_MEDIA_INFO mPlatformFvbMediaInfo[] = { | |
// | |
// Recovery BOIS FVB | |
// | |
{ | |
FixedPcdGet32 (PcdUnixFlashFvRecoverySize), | |
{ | |
{ | |
0, | |
}, // ZeroVector[16] | |
EFI_FIRMWARE_FILE_SYSTEM2_GUID, | |
FixedPcdGet32 (PcdUnixFlashFvRecoverySize), | |
EFI_FVH_SIGNATURE, | |
EFI_FVB2_READ_ENABLED_CAP | | |
EFI_FVB2_READ_STATUS | | |
EFI_FVB2_WRITE_ENABLED_CAP | | |
EFI_FVB2_WRITE_STATUS | | |
EFI_FVB2_ERASE_POLARITY, | |
sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY), | |
0, // CheckSum | |
0, // ExtHeaderOffset | |
{ | |
0, | |
}, // Reserved[1] | |
2, // Revision | |
{ | |
{ | |
FixedPcdGet32 (PcdUnixFlashFvRecoverySize)/FixedPcdGet32 (PcdUnixFirmwareBlockSize), | |
FixedPcdGet32 (PcdUnixFirmwareBlockSize), | |
} | |
} | |
}, | |
{ | |
{ | |
0, | |
0 | |
} | |
} | |
}, | |
// | |
// Systen NvStorage FVB | |
// | |
{ | |
FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \ | |
FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \ | |
FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) + \ | |
FixedPcdGet32 (PcdUnixFlashNvStorageEventLogSize), | |
{ | |
{ | |
0, | |
}, // ZeroVector[16] | |
EFI_SYSTEM_NV_DATA_FV_GUID, | |
FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \ | |
FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \ | |
FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) + \ | |
FixedPcdGet32 (PcdUnixFlashNvStorageEventLogSize), | |
EFI_FVH_SIGNATURE, | |
EFI_FVB2_READ_ENABLED_CAP | | |
EFI_FVB2_READ_STATUS | | |
EFI_FVB2_WRITE_ENABLED_CAP | | |
EFI_FVB2_WRITE_STATUS | | |
EFI_FVB2_ERASE_POLARITY, | |
sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY), | |
0, // CheckSum | |
0, // ExtHeaderOffset | |
{ | |
0, | |
}, // Reserved[1] | |
2, // Revision | |
{ | |
{ | |
(FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \ | |
FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \ | |
FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) + \ | |
FixedPcdGet32 (PcdUnixFlashNvStorageEventLogSize)) / FixedPcdGet32 (PcdUnixFirmwareBlockSize), | |
FixedPcdGet32 (PcdUnixFirmwareBlockSize), | |
} | |
} | |
}, | |
{ | |
{ | |
0, | |
0 | |
} | |
} | |
} | |
}; | |
EFI_STATUS | |
GetFvbInfo ( | |
IN UINT64 FvLength, | |
OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo | |
) | |
{ | |
UINTN Index; | |
for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) { | |
if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) { | |
*FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo; | |
return EFI_SUCCESS; | |
} | |
} | |
return EFI_NOT_FOUND; | |
} |