diff options
| author | David Wei <david.wei@intel.com> | 2015-01-12 09:37:20 +0000 |
|---|---|---|
| committer | zwei4 <zwei4@Edk2> | 2015-01-12 09:37:20 +0000 |
| commit | 3cbfba02fef9dae07a041fdbf2e89611d72d6f90 (patch) | |
| tree | 0b3bf0783124d38a191e09736492c0141aa36c15 /Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbInfo.c | |
| parent | 6f785cfcc304c48ec04e542ee429df95e7b51bc5 (diff) | |
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
Diffstat (limited to 'Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbInfo.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbInfo.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbInfo.c b/Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbInfo.c new file mode 100644 index 000000000..832e246d1 --- /dev/null +++ b/Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbInfo.c @@ -0,0 +1,175 @@ +/**@file
+ Defines data structure that is the volume header found.
+ These data is intent to decouple FVB driver with FV header.
+
+Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials are licensed and made available under
+ the terms and conditions of the BSD License that 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.
+
+
+**/
+
+#include <PiDxe.h>
+#include <Protocol/FirmwareVolumeBlock.h>
+#include <Library/PcdLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Guid/FirmwareFileSystem2.h>
+#include <Guid/SystemNvDataGuid.h>
+
+#define FIRMWARE_BLOCK_SIZE 0x8000
+#define FVB_MEDIA_BLOCK_SIZE (FIRMWARE_BLOCK_SIZE * 2)
+
+#define FV_RECOVERY_BASE_ADDRESS FixedPcdGet32(PcdFlashFvRecoveryBase)
+#define RECOVERY_BIOS_BLOCK_NUM (FixedPcdGet32(PcdFlashFvRecoverySize) / FVB_MEDIA_BLOCK_SIZE)
+
+#define FV_MAIN_BASE_ADDRESS FixedPcdGet32(PcdFlashFvMainBase)
+#define MAIN_BIOS_BLOCK_NUM (FixedPcdGet32(PcdFlashFvMainSize) / FVB_MEDIA_BLOCK_SIZE)
+
+#define NV_STORAGE_BASE_ADDRESS FixedPcdGet32(PcdFlashNvStorageVariableBase)
+#define SYSTEM_NV_BLOCK_NUM ((FixedPcdGet32(PcdFlashNvStorageVariableSize)+ FixedPcdGet32(PcdFlashNvStorageFtwWorkingSize) + FixedPcdGet32(PcdFlashNvStorageFtwSpareSize))/ FVB_MEDIA_BLOCK_SIZE)
+
+typedef struct {
+ EFI_PHYSICAL_ADDRESS BaseAddress;
+ EFI_FIRMWARE_VOLUME_HEADER FvbInfo;
+ EFI_FV_BLOCK_MAP_ENTRY End[1];
+} EFI_FVB2_MEDIA_INFO;
+
+//
+// This data structure contains a template of all correct FV headers, which is used to restore
+// Fv header if it's corrupted.
+//
+EFI_FVB2_MEDIA_INFO mPlatformFvbMediaInfo[] = {
+ //
+ // Main BIOS FVB
+ //
+ {
+ FV_MAIN_BASE_ADDRESS,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,
+ FVB_MEDIA_BLOCK_SIZE * MAIN_BIOS_BLOCK_NUM,
+ EFI_FVH_SIGNATURE,
+ 0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
+ 0, //CheckSum which will be calucated dynamically.
+ 0, //ExtHeaderOffset
+ {0,}, //Reserved[1]
+ 2, //Revision
+ {
+ {
+ MAIN_BIOS_BLOCK_NUM,
+ FVB_MEDIA_BLOCK_SIZE,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ },
+
+ //
+ // Systen NvStorage FVB
+ //
+ {
+ NV_STORAGE_BASE_ADDRESS,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_SYSTEM_NV_DATA_FV_GUID,
+ FVB_MEDIA_BLOCK_SIZE * SYSTEM_NV_BLOCK_NUM,
+ EFI_FVH_SIGNATURE,
+ 0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
+ 0, //CheckSum which will be calucated dynamically.
+ 0, //ExtHeaderOffset
+ {0,}, //Reserved[1]
+ 2, //Revision
+ {
+ {
+ SYSTEM_NV_BLOCK_NUM,
+ FVB_MEDIA_BLOCK_SIZE,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ },
+
+ //
+ // Recovery BIOS FVB
+ //
+ {
+ FV_RECOVERY_BASE_ADDRESS,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,
+ FVB_MEDIA_BLOCK_SIZE * RECOVERY_BIOS_BLOCK_NUM,
+ EFI_FVH_SIGNATURE,
+ 0x0004feff, // check MdePkg/Include/Pi/PiFirmwareVolume.h for details on EFI_FVB_ATTRIBUTES_2
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
+ 0, //CheckSum which will be calucated dynamically.
+ 0, //ExtHeaderOffset
+ {0,}, //Reserved[1]
+ 2, //Revision
+ {
+ {
+ RECOVERY_BIOS_BLOCK_NUM,
+ FVB_MEDIA_BLOCK_SIZE,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ }
+};
+
+EFI_STATUS
+GetFvbInfo (
+ IN EFI_PHYSICAL_ADDRESS FvBaseAddress,
+ OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
+ )
+{
+ UINTN Index;
+ EFI_FIRMWARE_VOLUME_HEADER *FvHeader;
+
+ for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB2_MEDIA_INFO); Index += 1) {
+ if (mPlatformFvbMediaInfo[Index].BaseAddress == FvBaseAddress) {
+ FvHeader = &mPlatformFvbMediaInfo[Index].FvbInfo;
+
+ //
+ // Update the checksum value of FV header.
+ //
+ FvHeader->Checksum = CalculateCheckSum16 ((UINT16 *) FvHeader, FvHeader->HeaderLength / sizeof (UINT16));
+
+ *FvbInfo = FvHeader;
+
+ DEBUG ((EFI_D_INFO, "\nBaseAddr: 0x%lx \n", FvBaseAddress));
+ DEBUG ((EFI_D_INFO, "FvLength: 0x%lx \n", (*FvbInfo)->FvLength));
+ DEBUG ((EFI_D_INFO, "HeaderLength: 0x%x \n", (*FvbInfo)->HeaderLength));
+ DEBUG ((EFI_D_INFO, "FvBlockMap[0].NumBlocks: 0x%x \n", (*FvbInfo)->BlockMap[0].NumBlocks));
+ DEBUG ((EFI_D_INFO, "FvBlockMap[0].BlockLength: 0x%x \n", (*FvbInfo)->BlockMap[0].Length));
+ DEBUG ((EFI_D_INFO, "FvBlockMap[1].NumBlocks: 0x%x \n", (*FvbInfo)->BlockMap[1].NumBlocks));
+ DEBUG ((EFI_D_INFO, "FvBlockMap[1].BlockLength: 0x%x \n\n", (*FvbInfo)->BlockMap[1].Length));
+
+ return EFI_SUCCESS;
+ }
+ }
+ return EFI_NOT_FOUND;
+}
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