diff options
| author | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
|---|---|---|
| committer | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
| commit | 878ddf1fc3540a715f63594ed22b6929e881afb4 (patch) | |
| tree | c56c44dac138137b510e1fba7c3efe5e4d84bea2 /EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c | |
| download | edk2-platforms-878ddf1fc3540a715f63594ed22b6929e881afb4.tar.xz | |
Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c')
| -rw-r--r-- | EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c b/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c new file mode 100644 index 0000000000..d079423af8 --- /dev/null +++ b/EdkNt32Pkg/RuntimeDxe/FvbServices/nt32/FvbInfo.c @@ -0,0 +1,125 @@ +/*++
+
+Copyright (c) 2006, 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 "FlashLayout.h"
+
+#define FIRMWARE_BLOCK_SIZE 0x10000
+
+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;
+
+#define FVB_MEDIA_BLOCK_SIZE FIRMWARE_BLOCK_SIZE
+#define RECOVERY_BOIS_BLOCK_NUM FIRMWARE_BLOCK_NUMBER
+#define SYSTEM_NV_BLOCK_NUM 2
+
+EFI_FVB_MEDIA_INFO mPlatformFvbMediaInfo[] = {
+ //
+ // Recovery BOIS FVB
+ //
+ {
+ EFI_WINNT_FIRMWARE_LENGTH,
+ {
+ {
+ 0,
+ }, // ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM_GUID,
+ FVB_MEDIA_BLOCK_SIZE * RECOVERY_BOIS_BLOCK_NUM,
+ EFI_FVH_SIGNATURE,
+ EFI_FVB_READ_ENABLED_CAP |
+ EFI_FVB_READ_STATUS |
+ EFI_FVB_WRITE_ENABLED_CAP |
+ EFI_FVB_WRITE_STATUS |
+ EFI_FVB_ERASE_POLARITY,
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
+ 0, // CheckSum
+ {
+ 0,
+ }, // Reserved[3]
+ 1, // Revision
+ {
+ RECOVERY_BOIS_BLOCK_NUM,
+ FVB_MEDIA_BLOCK_SIZE,
+ }
+ },
+ {
+ 0,
+ 0
+ }
+ },
+ //
+ // Systen NvStorage FVB
+ //
+ {
+ EFI_WINNT_RUNTIME_UPDATABLE_LENGTH + EFI_WINNT_FTW_SPARE_BLOCK_LENGTH,
+ {
+ {
+ 0,
+ }, // ZeroVector[16]
+ EFI_SYSTEM_NV_DATA_HOB_GUID,
+ FVB_MEDIA_BLOCK_SIZE * SYSTEM_NV_BLOCK_NUM,
+ EFI_FVH_SIGNATURE,
+ EFI_FVB_READ_ENABLED_CAP |
+ EFI_FVB_READ_STATUS |
+ EFI_FVB_WRITE_ENABLED_CAP |
+ EFI_FVB_WRITE_STATUS |
+ EFI_FVB_ERASE_POLARITY,
+ sizeof (EFI_FIRMWARE_VOLUME_HEADER) + sizeof (EFI_FV_BLOCK_MAP_ENTRY),
+ 0, // CheckSum
+ {
+ 0,
+ }, // Reserved[3]
+ 1, // Revision
+ {
+ SYSTEM_NV_BLOCK_NUM,
+ FVB_MEDIA_BLOCK_SIZE,
+ }
+ },
+ {
+ 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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