diff options
Diffstat (limited to 'BraswellPlatformPkg/Common/Flash/FvbRuntimeDxe/FvbInfo.c')
| -rw-r--r-- | BraswellPlatformPkg/Common/Flash/FvbRuntimeDxe/FvbInfo.c | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/BraswellPlatformPkg/Common/Flash/FvbRuntimeDxe/FvbInfo.c b/BraswellPlatformPkg/Common/Flash/FvbRuntimeDxe/FvbInfo.c new file mode 100644 index 0000000000..15aae661e9 --- /dev/null +++ b/BraswellPlatformPkg/Common/Flash/FvbRuntimeDxe/FvbInfo.c @@ -0,0 +1,369 @@ +/** @file
+ Defines data structure that is the volume header found.
+ These data is intent to decouple FVB driver with FV header.
+
+ Copyright (c) 2015, 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
+ 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.
+
+**/
+
+#include <PiDxe.h>
+#include "FvbService.h"
+
+#define FVB_MEDIA_BLOCK_SIZE PcdGet32(PcdFlashMinEraseSize)
+
+typedef struct {
+ EFI_PHYSICAL_ADDRESS BaseAddress;
+ EFI_FIRMWARE_VOLUME_HEADER FvbInfo;
+ //
+ //EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0
+ //
+ 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
+ //
+ {
+ 0,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,
+ 0,
+ 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, check the FD for the value.
+ 0, //ExtHeaderOffset
+ {0,}, //Reserved[1]
+ 2, //Revision
+ {
+ {
+ 0,
+ 0,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ },
+ //
+ // Systen NvStorage FVB
+ //
+ {
+ 0,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_SYSTEM_NV_DATA_FV_GUID,
+ 0,
+ 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
+ {
+ {
+ 0,
+ 0,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ },
+ //
+ // Recovery BIOS FVB
+ //
+ {
+ 0,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,
+ 0,
+ 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
+ {
+ {
+ 0,
+ 0,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ },
+ //
+ // Recovery 2 BIOS FVB
+ //
+ {
+ 0,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,
+ 0,
+ 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
+ {
+ {
+ 0,
+ 0,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ },
+ //
+ // Payload FVB
+ //
+ {
+ 0,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,
+ 0,
+ 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.
+ 0x60, //ExtHeaderOffset
+ {0,}, //Reserved[1]
+ 2, //Revision
+ {
+ {
+ 0,
+ 0,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ }
+};
+
+//
+// FTW working space and FTW spare space don't have FV header.
+// We need create one for them and use it for FVB protocol.
+//
+EFI_FVB2_MEDIA_INFO mPlatformFtwFvbInfo[] = {
+ //
+ // System variable FTW working FVB
+ //
+ {
+ 0,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_SYSTEM_NV_DATA_FV_GUID,
+ 0,
+ 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
+ {
+ {
+ 0,
+ 0,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ },
+ //
+ // Systen NV variable FTW spare FVB
+ //
+ {
+ 0,
+ {
+ {0,}, //ZeroVector[16]
+ EFI_SYSTEM_NV_DATA_FV_GUID,
+ 0,
+ 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
+ {
+ {
+ 0,
+ 0,
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ }
+};
+
+EFI_STATUS
+GetFtwFvbInfo (
+ IN EFI_PHYSICAL_ADDRESS FvBaseAddress,
+ OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
+ )
+{
+ UINTN Index;
+ EFI_FIRMWARE_VOLUME_HEADER *FvHeader;
+
+ //
+ // Init Fvb data
+ //
+ mPlatformFtwFvbInfo[0].BaseAddress = PcdGet32 (PcdFlashNvStorageFtwWorkingBase);
+ mPlatformFtwFvbInfo[0].FvbInfo.FvLength = PcdGet32 (PcdFlashNvStorageFtwWorkingSize);
+ mPlatformFtwFvbInfo[0].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashNvStorageFtwWorkingSize) / FVB_MEDIA_BLOCK_SIZE;
+ mPlatformFtwFvbInfo[0].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;
+ ASSERT ((PcdGet32 (PcdFlashNvStorageFtwWorkingSize) % FVB_MEDIA_BLOCK_SIZE) == 0);
+
+ mPlatformFtwFvbInfo[1].BaseAddress = PcdGet32 (PcdFlashNvStorageFtwSpareBase);
+ mPlatformFtwFvbInfo[1].FvbInfo.FvLength = PcdGet32 (PcdFlashNvStorageFtwSpareSize);
+ mPlatformFtwFvbInfo[1].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashNvStorageFtwSpareSize) / FVB_MEDIA_BLOCK_SIZE;
+ mPlatformFtwFvbInfo[1].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;
+ ASSERT ((PcdGet32 (PcdFlashNvStorageFtwSpareSize) % FVB_MEDIA_BLOCK_SIZE) == 0);
+
+ for (Index=0; Index < sizeof (mPlatformFtwFvbInfo)/sizeof (mPlatformFtwFvbInfo[0]); Index += 1) {
+ if (mPlatformFtwFvbInfo[Index].BaseAddress == FvBaseAddress) {
+ FvHeader = &mPlatformFtwFvbInfo[Index].FvbInfo;
+ //
+ // Update the checksum value of FV header.
+ //
+ FvHeader->Checksum = CalculateCheckSum16 ((UINT16 *) FvHeader, FvHeader->HeaderLength / sizeof (UINT16));
+
+ *FvbInfo = FvHeader;
+
+ DEBUG ((EFI_D_INFO, "\nFTW BaseAddr: 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;
+}
+
+EFI_STATUS
+GetFvbInfo (
+ IN EFI_PHYSICAL_ADDRESS FvBaseAddress,
+ OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
+ )
+{
+ UINTN Index;
+ EFI_FIRMWARE_VOLUME_HEADER *FvHeader;
+
+ //
+ // Init Fvb data
+ //
+ mPlatformFvbMediaInfo[0].BaseAddress = PcdGet32 (PcdFlashFvMainBase);
+ mPlatformFvbMediaInfo[0].FvbInfo.FvLength = PcdGet32 (PcdFlashFvMainSize);
+ mPlatformFvbMediaInfo[0].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashFvMainSize) / FVB_MEDIA_BLOCK_SIZE;
+ mPlatformFvbMediaInfo[0].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;
+ ASSERT ((PcdGet32 (PcdFlashFvMainSize) % FVB_MEDIA_BLOCK_SIZE) == 0);
+
+ mPlatformFvbMediaInfo[1].BaseAddress = PcdGet32 (PcdFlashNvStorageVariableBase);
+ mPlatformFvbMediaInfo[1].FvbInfo.FvLength = PcdGet32 (PcdFlashNvStorageVariableSize);
+ mPlatformFvbMediaInfo[1].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashNvStorageVariableSize) / FVB_MEDIA_BLOCK_SIZE;
+ mPlatformFvbMediaInfo[1].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;
+ ASSERT ((PcdGet32 (PcdFlashNvStorageVariableSize) % FVB_MEDIA_BLOCK_SIZE) == 0);
+
+ mPlatformFvbMediaInfo[2].BaseAddress = PcdGet32 (PcdFlashFvRecoveryBase);
+ mPlatformFvbMediaInfo[2].FvbInfo.FvLength = PcdGet32 (PcdFlashFvRecoverySize);
+ mPlatformFvbMediaInfo[2].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashFvRecoverySize) / FVB_MEDIA_BLOCK_SIZE;
+ mPlatformFvbMediaInfo[2].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;
+ ASSERT ((PcdGet32 (PcdFlashFvRecoverySize) % FVB_MEDIA_BLOCK_SIZE) == 0);
+
+ mPlatformFvbMediaInfo[3].BaseAddress = PcdGet32 (PcdFlashFvRecovery2Base);
+ mPlatformFvbMediaInfo[3].FvbInfo.FvLength = PcdGet32 (PcdFlashFvRecovery2Size);
+ mPlatformFvbMediaInfo[3].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashFvRecovery2Size) / FVB_MEDIA_BLOCK_SIZE;
+ mPlatformFvbMediaInfo[3].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;
+ ASSERT ((PcdGet32 (PcdFlashFvRecovery2Size) % FVB_MEDIA_BLOCK_SIZE) == 0);
+
+ mPlatformFvbMediaInfo[4].BaseAddress = PcdGet32 (PcdFlashPayloadBase);
+ mPlatformFvbMediaInfo[4].FvbInfo.FvLength = PcdGet32 (PcdFlashPayloadSize);
+ mPlatformFvbMediaInfo[4].FvbInfo.BlockMap[0].NumBlocks = PcdGet32 (PcdFlashPayloadSize) / FVB_MEDIA_BLOCK_SIZE;
+ mPlatformFvbMediaInfo[4].FvbInfo.BlockMap[0].Length = FVB_MEDIA_BLOCK_SIZE;
+ ASSERT ((PcdGet32 (PcdFlashPayloadSize) % FVB_MEDIA_BLOCK_SIZE) == 0);
+
+ for (Index=0; Index < sizeof (mPlatformFvbMediaInfo)/sizeof (mPlatformFvbMediaInfo[0]); 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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