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