8ef571dfb5
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2230 6f19259b-4bc3-4df7-8a09-765794883524
134 lines
3.3 KiB
C
134 lines
3.3 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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FvbInfo.c
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Abstract:
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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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#include "FlashLayout.h"
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#define FIRMWARE_BLOCK_SIZE 0x10000
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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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#define FVB_MEDIA_BLOCK_SIZE FIRMWARE_BLOCK_SIZE
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#define RECOVERY_BOIS_BLOCK_NUM FIRMWARE_BLOCK_NUMBER
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#define SYSTEM_NV_BLOCK_NUM 2
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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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EFI_WINNT_FIRMWARE_LENGTH,
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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_SYSTEM_GUID,
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FVB_MEDIA_BLOCK_SIZE * RECOVERY_BOIS_BLOCK_NUM,
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EFI_FVH_SIGNATURE,
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EFI_FVB_READ_ENABLED_CAP |
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EFI_FVB_READ_STATUS |
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EFI_FVB_WRITE_ENABLED_CAP |
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EFI_FVB_WRITE_STATUS |
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EFI_FVB_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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{
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0,
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}, // Reserved[3]
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1, // Revision
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{
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{
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RECOVERY_BOIS_BLOCK_NUM,
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FVB_MEDIA_BLOCK_SIZE
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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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EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH,
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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_HOB_GUID,
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FVB_MEDIA_BLOCK_SIZE * SYSTEM_NV_BLOCK_NUM,
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EFI_FVH_SIGNATURE,
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EFI_FVB_READ_ENABLED_CAP |
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EFI_FVB_READ_STATUS |
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EFI_FVB_WRITE_ENABLED_CAP |
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EFI_FVB_WRITE_STATUS |
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EFI_FVB_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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{
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0,
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}, // Reserved[3]
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1, // Revision
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{
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{
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SYSTEM_NV_BLOCK_NUM,
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FVB_MEDIA_BLOCK_SIZE
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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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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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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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return EFI_NOT_FOUND;
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}
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