Revision: 14458
http://sourceforge.net/p/edk2/code/14458
Author: lzeng14
Date: 2013-07-03 09:26:49 +0000 (Wed, 03 Jul 2013)
Log Message:
-----------
OvmfPkg EmuVariableFvbRuntimeDxe: Let FaultTolerantWriteDxe to init working
block header.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Ruiyu Ni <[email protected]>
Modified Paths:
--------------
trunk/edk2/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c
Modified: trunk/edk2/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c
===================================================================
--- trunk/edk2/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c 2013-07-03 09:24:07 UTC
(rev 14457)
+++ trunk/edk2/OvmfPkg/EmuVariableFvbRuntimeDxe/Fvb.c 2013-07-03 09:26:49 UTC
(rev 14458)
@@ -2,7 +2,7 @@
Firmware Block Services to support emulating non-volatile variables
by pretending that a memory buffer is storage for the NV variables.
- Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2006 - 2013, 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
@@ -781,53 +781,7 @@
Fv->Checksum = CalculateCheckSum16 (Ptr, Fv->HeaderLength);
}
-
/**
- Initializes the Fault Tolerant Write data structure
-
- This data structure is used by the Fault Tolerant Write driver.
-
- @param[in] Buffer - Location for the FTW data structure
-
-**/
-VOID
-InitializeFtwState (
- IN VOID *Buffer
- )
-{
- EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *Hdr;
- UINT32 TempCrc;
- STATIC EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER DefaultFtw = {
- EFI_SYSTEM_NV_DATA_FV_GUID, // EFI_GUID Signature;
- ERASED_UINT32, // UINT32 Crc;
- ERASED_BIT, // UINT8 WorkingBlockValid : 1;
- ERASED_BIT, // UINT8 WorkingBlockInvalid : 1;
- 0, // UINT8 Reserved : 6;
- { 0, 0, 0 }, // UINT8 Reserved3[3];
- FTW_WRITE_QUEUE_SIZE // UINT64 WriteQueueSize;
- };
-
- CopyMem (Buffer, (VOID*) &DefaultFtw, sizeof (DefaultFtw));
-
- Hdr = (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER*) Buffer;
-
- //
- // Calculate checksum.
- //
- // The Crc, WorkingBlockValid and WorkingBlockInvalid bits should
- // be set to the erased state before computing the checksum.
- //
- gBS->CalculateCrc32 (Buffer, sizeof (DefaultFtw), &TempCrc);
- Hdr->Crc = TempCrc;
-
- //
- // Mark as valid.
- //
- Hdr->WorkingBlockValid = NOT_ERASED_BIT;
-}
-
-
-/**
Main entry point.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@@ -908,9 +862,6 @@
// Initialize the Fault Tolerant Write data area
//
SubPtr = (VOID*) ((UINT8*) Ptr + PcdGet32 (PcdVariableStoreSize));
- if (Initialize) {
- InitializeFtwState (SubPtr);
- }
PcdSet32 (PcdFlashNvStorageFtwWorkingBase, (UINT32)(UINTN) SubPtr);
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