--- /dev/null
+/*++\r
+\r
+Copyright (c) 2006, Intel Corporation \r
+All rights reserved. This program and the accompanying materials \r
+are licensed and made available under the terms and conditions of the BSD License \r
+which accompanies this distribution. The full text of the license may be found at \r
+http://opensource.org/licenses/bsd-license.php \r
+ \r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+\r
+Module Name:\r
+\r
+ FvbInfo.c\r
+\r
+Abstract:\r
+\r
+ Defines data structure that is the volume header found.These data is intent\r
+ to decouple FVB driver with FV header.\r
+\r
+--*/\r
+\r
+//\r
+// The package level header files this module uses\r
+//\r
+#include <PiDxe.h>\r
+#include <WinNtDxe.h>\r
+//\r
+// The protocols, PPI and GUID defintions for this module\r
+//\r
+#include <Guid/EventGroup.h>\r
+#include <Guid/FirmwareFileSystem2.h>\r
+#include <Guid/SystemNvDataGuid.h>\r
+#include <Protocol/FvbExtension.h>\r
+#include <Protocol/FirmwareVolumeBlock.h>\r
+#include <Guid/AlternateFvBlock.h>\r
+#include <Protocol/DevicePath.h>\r
+//\r
+// The Library classes this module consumes\r
+//\r
+#include <Library/UefiLib.h>\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/DxeServicesTableLib.h>\r
+#include <Library/UefiRuntimeLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/HobLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+\r
+#include "FlashLayout.h"\r
+\r
+#define FIRMWARE_BLOCK_SIZE 0x10000\r
+\r
+typedef struct {\r
+ UINT64 FvLength;\r
+ EFI_FIRMWARE_VOLUME_HEADER FvbInfo;\r
+ //\r
+ // EFI_FV_BLOCK_MAP_ENTRY ExtraBlockMap[n];//n=0\r
+ //\r
+ EFI_FV_BLOCK_MAP_ENTRY End[1];\r
+} EFI_FVB_MEDIA_INFO;\r
+\r
+#define FVB_MEDIA_BLOCK_SIZE FIRMWARE_BLOCK_SIZE\r
+#define RECOVERY_BOIS_BLOCK_NUM FIRMWARE_BLOCK_NUMBER\r
+#define SYSTEM_NV_BLOCK_NUM 2\r
+\r
+EFI_FVB_MEDIA_INFO mPlatformFvbMediaInfo[] = {\r
+ //\r
+ // Recovery BOIS FVB\r
+ //\r
+ {\r
+ EFI_WINNT_FIRMWARE_LENGTH,\r
+ {\r
+ {\r
+ 0,\r
+ }, // ZeroVector[16]\r
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,\r
+ FVB_MEDIA_BLOCK_SIZE * RECOVERY_BOIS_BLOCK_NUM,\r
+ EFI_FVH_SIGNATURE,\r
+ EFI_FVB2_READ_ENABLED_CAP |\r
+ EFI_FVB2_READ_STATUS |\r
+ EFI_FVB2_WRITE_ENABLED_CAP |\r
+ EFI_FVB2_WRITE_STATUS |\r
+ EFI_FVB2_ERASE_POLARITY,\r
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r
+ 0, // CheckSum\r
+ 0, // ExtHeaderOffset\r
+ {\r
+ 0,\r
+ }, // Reserved[1]\r
+ 1, // Revision\r
+ {\r
+ RECOVERY_BOIS_BLOCK_NUM,\r
+ FVB_MEDIA_BLOCK_SIZE,\r
+ }\r
+ },\r
+ {\r
+ 0,\r
+ 0\r
+ }\r
+ },\r
+ //\r
+ // Systen NvStorage FVB\r
+ //\r
+ {\r
+ EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH,\r
+ {\r
+ {\r
+ 0,\r
+ }, // ZeroVector[16]\r
+ EFI_SYSTEM_NV_DATA_HOB_GUID,\r
+ FVB_MEDIA_BLOCK_SIZE * SYSTEM_NV_BLOCK_NUM,\r
+ EFI_FVH_SIGNATURE,\r
+ EFI_FVB2_READ_ENABLED_CAP |\r
+ EFI_FVB2_READ_STATUS |\r
+ EFI_FVB2_WRITE_ENABLED_CAP |\r
+ EFI_FVB2_WRITE_STATUS |\r
+ EFI_FVB2_ERASE_POLARITY,\r
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),\r
+ 0, // CheckSum\r
+ 0, // ExtHeaderOffset\r
+ {\r
+ 0,\r
+ }, // Reserved[1]\r
+ 1, // Revision\r
+ {\r
+ SYSTEM_NV_BLOCK_NUM,\r
+ FVB_MEDIA_BLOCK_SIZE,\r
+ }\r
+ },\r
+ {\r
+ 0,\r
+ 0\r
+ }\r
+ }\r
+};\r
+\r
+EFI_STATUS\r
+GetFvbInfo (\r
+ IN UINT64 FvLength,\r
+ OUT EFI_FIRMWARE_VOLUME_HEADER **FvbInfo\r
+ )\r
+{\r
+ UINTN Index;\r
+\r
+ for (Index = 0; Index < sizeof (mPlatformFvbMediaInfo) / sizeof (EFI_FVB_MEDIA_INFO); Index += 1) {\r
+ if (mPlatformFvbMediaInfo[Index].FvLength == FvLength) {\r
+ *FvbInfo = &mPlatformFvbMediaInfo[Index].FvbInfo;\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+\r
+ return EFI_NOT_FOUND;\r
+}\r