diff options
Diffstat (limited to 'UnixPkg/FvbServicesRuntimeDxe/FvbInfo.c')
| -rw-r--r-- | UnixPkg/FvbServicesRuntimeDxe/FvbInfo.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/UnixPkg/FvbServicesRuntimeDxe/FvbInfo.c b/UnixPkg/FvbServicesRuntimeDxe/FvbInfo.c new file mode 100644 index 0000000000..6670359099 --- /dev/null +++ b/UnixPkg/FvbServicesRuntimeDxe/FvbInfo.c @@ -0,0 +1,156 @@ +/*++
+
+Copyright (c) 2006 - 2008, Intel Corporation
+All rights reserved. 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.
+
+Module Name:
+
+ FvbInfo.c
+
+Abstract:
+
+ Defines data structure that is the volume header found.These data is intent
+ to decouple FVB driver with FV header.
+
+--*/
+#include "PiDxe.h"
+#include <Guid/EventGroup.h>
+#include <Protocol/FvbExtension.h>
+#include <Protocol/FirmwareVolumeBlock.h>
+#include <Guid/AlternateFvBlock.h>
+#include <Protocol/DevicePath.h>
+
+#include <Library/UefiLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/BaseLib.h>
+#include <Library/DxeServicesTableLib.h>
+#include <Library/UefiRuntimeLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/PcdLib.h>
+#include <Guid/FirmwareFileSystem2.h>
+#include <Guid/SystemNvDataGuid.h>
+
+typedef struct {
+ UINT64 FvLength;
+ EFI_FIRMWARE_VOLUME_HEADER FvbInfo;
+ //
+ // EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0
+ //
+ EFI_FV_BLOCK_MAP_ENTRY End[1];
+} EFI_FVB_MEDIA_INFO;
+
+EFI_FVB_MEDIA_INFO mPlatformFvbMediaInfo[] = {
+ //
+ // Recovery BOIS FVB
+ //
+ {
+ FixedPcdGet32 (PcdUnixFlashFvRecoverySize),
+ {
+ {
+ 0,
+ }, // ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,
+ FixedPcdGet32 (PcdUnixFlashFvRecoverySize),
+ EFI_FVH_SIGNATURE,
+ EFI_FVB2_READ_ENABLED_CAP |
+ EFI_FVB2_READ_STATUS |
+ EFI_FVB2_WRITE_ENABLED_CAP |
+ EFI_FVB2_WRITE_STATUS |
+ EFI_FVB2_ERASE_POLARITY,
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
+ 0, // CheckSum
+ 0, // ExtHeaderOffset
+ {
+ 0,
+ }, // Reserved[1]
+ 1, // Revision
+ {
+ {
+ FixedPcdGet32 (PcdUnixFlashFvRecoverySize)/FixedPcdGet32 (PcdUnixFirmwareBlockSize),
+ FixedPcdGet32 (PcdUnixFirmwareBlockSize),
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ },
+ //
+ // Systen NvStorage FVB
+ //
+ {
+ FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) + \
+ FixedPcdGet32 (PcdUnixFlashNvStorageEventLogSize),
+ {
+ {
+ 0,
+ }, // ZeroVector[16]
+ EFI_SYSTEM_NV_DATA_HOB_GUID,
+ FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) + \
+ FixedPcdGet32 (PcdUnixFlashNvStorageEventLogSize),
+ EFI_FVH_SIGNATURE,
+ EFI_FVB2_READ_ENABLED_CAP |
+ EFI_FVB2_READ_STATUS |
+ EFI_FVB2_WRITE_ENABLED_CAP |
+ EFI_FVB2_WRITE_STATUS |
+ EFI_FVB2_ERASE_POLARITY,
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
+ 0, // CheckSum
+ 0, // ExtHeaderOffset
+ {
+ 0,
+ }, // Reserved[1]
+ 1, // Revision
+ {
+ {
+ (FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) + \
+ FixedPcdGet32 (PcdUnixFlashNvStorageEventLogSize)) / FixedPcdGet32 (PcdUnixFirmwareBlockSize),
+ FixedPcdGet32 (PcdUnixFirmwareBlockSize),
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ }
+};
+
+EFI_STATUS
+GetFvbInfo (
+ IN UINT64 FvLength,
+ OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo
+ )
+{
+ UINTN Index;
+
+ for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) {
+ if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) {
+ *FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo;
+ return EFI_SUCCESS;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
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