diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/EmulatorPkg/FvbServicesRuntimeDxe/FvbInfo.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/EmulatorPkg/FvbServicesRuntimeDxe/FvbInfo.c')
| -rw-r--r-- | roms/edk2/EmulatorPkg/FvbServicesRuntimeDxe/FvbInfo.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/roms/edk2/EmulatorPkg/FvbServicesRuntimeDxe/FvbInfo.c b/roms/edk2/EmulatorPkg/FvbServicesRuntimeDxe/FvbInfo.c new file mode 100644 index 000000000..af8f9a983 --- /dev/null +++ b/roms/edk2/EmulatorPkg/FvbServicesRuntimeDxe/FvbInfo.c @@ -0,0 +1,148 @@ +/*++ @file
+ Defines data structure that is the volume header found.These data is intent
+ to decouple FVB driver with FV header.
+
+Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+Portions copyright (c) 2011, Apple Inc. All rights reserved.
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+
+**/
+
+#include <PiDxe.h>
+
+#include <Guid/EventGroup.h>
+#include <Guid/FirmwareFileSystem2.h>
+#include <Guid/SystemNvDataGuid.h>
+
+#include <Protocol/FirmwareVolumeBlock.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 <Library/DevicePathLib.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 (PcdEmuFlashFvRecoverySize),
+ {
+ {
+ 0,
+ }, // ZeroVector[16]
+ EFI_FIRMWARE_FILE_SYSTEM2_GUID,
+ FixedPcdGet32 (PcdEmuFlashFvRecoverySize),
+ 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]
+ 2, // Revision
+ {
+ {
+ FixedPcdGet32 (PcdEmuFlashFvRecoverySize)/FixedPcdGet32 (PcdEmuFirmwareBlockSize),
+ FixedPcdGet32 (PcdEmuFirmwareBlockSize),
+ }
+ }
+ },
+ {
+ {
+ 0,
+ 0
+ }
+ }
+ },
+ //
+ // Systen NvStorage FVB
+ //
+ {
+ FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) + \
+ FixedPcdGet32 (PcdEmuFlashNvStorageEventLogSize),
+ {
+ {
+ 0,
+ }, // ZeroVector[16]
+ EFI_SYSTEM_NV_DATA_FV_GUID,
+ FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) + \
+ FixedPcdGet32 (PcdEmuFlashNvStorageEventLogSize),
+ 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]
+ 2, // Revision
+ {
+ {
+ (FixedPcdGet32 (PcdFlashNvStorageVariableSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwWorkingSize) + \
+ FixedPcdGet32 (PcdFlashNvStorageFtwSpareSize) + \
+ FixedPcdGet32 (PcdEmuFlashNvStorageEventLogSize)) / FixedPcdGet32 (PcdEmuFirmwareBlockSize),
+ FixedPcdGet32 (PcdEmuFirmwareBlockSize),
+ }
+ }
+ },
+ {
+ {
+ 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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