Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/, which are for MinnowBoard MAX open source project. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: David Wei <david.wei@intel.com> Reviewed-by: Mike Wu <mike.wu@intel.com> Reviewed-by: Hot Tian <hot.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
David Wei
zwei4
175
Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbInfo.c
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175
Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbInfo.c
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/**@file
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Defines data structure that is the volume header found.
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These data is intent to decouple FVB driver with FV header.
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Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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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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**/
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#include <PiDxe.h>
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#include <Protocol/FirmwareVolumeBlock.h>
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#include <Library/PcdLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseLib.h>
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#include <Guid/FirmwareFileSystem2.h>
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#include <Guid/SystemNvDataGuid.h>
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#define FIRMWARE_BLOCK_SIZE 0x8000
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#define FVB_MEDIA_BLOCK_SIZE (FIRMWARE_BLOCK_SIZE * 2)
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#define FV_RECOVERY_BASE_ADDRESS FixedPcdGet32(PcdFlashFvRecoveryBase)
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#define RECOVERY_BIOS_BLOCK_NUM (FixedPcdGet32(PcdFlashFvRecoverySize) / FVB_MEDIA_BLOCK_SIZE)
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#define FV_MAIN_BASE_ADDRESS FixedPcdGet32(PcdFlashFvMainBase)
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#define MAIN_BIOS_BLOCK_NUM (FixedPcdGet32(PcdFlashFvMainSize) / FVB_MEDIA_BLOCK_SIZE)
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#define NV_STORAGE_BASE_ADDRESS FixedPcdGet32(PcdFlashNvStorageVariableBase)
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#define SYSTEM_NV_BLOCK_NUM ((FixedPcdGet32(PcdFlashNvStorageVariableSize)+ FixedPcdGet32(PcdFlashNvStorageFtwWorkingSize) + FixedPcdGet32(PcdFlashNvStorageFtwSpareSize))/ FVB_MEDIA_BLOCK_SIZE)
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typedef struct {
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EFI_PHYSICAL_ADDRESS BaseAddress;
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EFI_FIRMWARE_VOLUME_HEADER FvbInfo;
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EFI_FV_BLOCK_MAP_ENTRY End[1];
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} EFI_FVB2_MEDIA_INFO;
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//
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// This data structure contains a template of all correct FV headers, which is used to restore
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// Fv header if it's corrupted.
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//
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EFI_FVB2_MEDIA_INFO mPlatformFvbMediaInfo[] = {
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//
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// Main BIOS FVB
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//
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{
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FV_MAIN_BASE_ADDRESS,
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{
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{0,}, //ZeroVector[16]
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EFI_FIRMWARE_FILE_SYSTEM2_GUID,
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FVB_MEDIA_BLOCK_SIZE * MAIN_BIOS_BLOCK_NUM,
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EFI_FVH_SIGNATURE,
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0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2
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sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
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0, //CheckSum which will be calucated dynamically.
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0, //ExtHeaderOffset
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{0,}, //Reserved[1]
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2, //Revision
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{
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{
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MAIN_BIOS_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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NV_STORAGE_BASE_ADDRESS,
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{
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{0,}, //ZeroVector[16]
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EFI_SYSTEM_NV_DATA_FV_GUID,
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FVB_MEDIA_BLOCK_SIZE * SYSTEM_NV_BLOCK_NUM,
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EFI_FVH_SIGNATURE,
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0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2
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sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
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0, //CheckSum which will be calucated dynamically.
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0, //ExtHeaderOffset
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{0,}, //Reserved[1]
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2, //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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// Recovery BIOS FVB
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//
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{
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FV_RECOVERY_BASE_ADDRESS,
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{
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{0,}, //ZeroVector[16]
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EFI_FIRMWARE_FILE_SYSTEM2_GUID,
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FVB_MEDIA_BLOCK_SIZE * RECOVERY_BIOS_BLOCK_NUM,
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EFI_FVH_SIGNATURE,
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0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2
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sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
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0, //CheckSum which will be calucated dynamically.
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0, //ExtHeaderOffset
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{0,}, //Reserved[1]
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2, //Revision
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{
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{
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RECOVERY_BIOS_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 EFI_PHYSICAL_ADDRESS FvBaseAddress,
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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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EFI_FIRMWARE_VOLUME_HEADER *FvHeader;
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for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB2_MEDIA_INFO); Index += 1) {
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if (mPlatformFvbMediaInfo[Index].BaseAddress == FvBaseAddress) {
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FvHeader = &mPlatformFvbMediaInfo[Index].FvbInfo;
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//
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// Update the checksum value of FV header.
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//
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FvHeader->Checksum = CalculateCheckSum16 ((UINT16 *) FvHeader, FvHeader->HeaderLength / sizeof (UINT16));
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*FvbInfo = FvHeader;
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DEBUG ((EFI_D_INFO, "\nBaseAddr: 0x%lx \n", FvBaseAddress));
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DEBUG ((EFI_D_INFO, "FvLength: 0x%lx \n", (*FvbInfo)->FvLength));
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DEBUG ((EFI_D_INFO, "HeaderLength: 0x%x \n", (*FvbInfo)->HeaderLength));
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DEBUG ((EFI_D_INFO, "FvBlockMap[0].NumBlocks: 0x%x \n", (*FvbInfo)->BlockMap[0].NumBlocks));
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