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OVMF: Add library to customize the EMU Variable FVB driver. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9316 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten 2009-09-26 07:15:48 +00:00
parent 670d495b19
commit 610698361d
3 changed files with 109 additions and 8 deletions
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50
OvmfPkg/Library/EmuVariableFvbLib/EmuVariableFvbLib.c Normal file
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@ -0,0 +1,50 @@
/** @file
OVMF platform customization for EMU Variable FVB driver
Copyright (c) 2009, 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.
**/
#include "PiDxe.h"
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
#include <Library/PlatformFvbLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeLib.h>
/**
This function will be called following a call to the
EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL Write function.
@param[in] This EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL instance.
@param[in] Lba The starting logical block index to written to.
**/
VOID
EFIAPI
PlatformFvbDataWritten (
IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,
IN EFI_LBA Lba
)
{
STATIC EFI_EVENT EventToSignal = NULL;
if (!EfiAtRuntime ()) {
if (EventToSignal == NULL) {
EventToSignal = (EFI_EVENT)(UINTN) PcdGet64 (PcdEmuVariableEvent);
}
if (EventToSignal != NULL) {
gBS->SignalEvent (EventToSignal);
}
}
}

48
OvmfPkg/Library/EmuVariableFvbLib/EmuVariableFvbLib.inf Normal file
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#/** @file
# OVMF platform customization for EMU Variable FVB driver
#
# This library handles hooks for the EMU Variable FVB driver.
#
# Copyright (c) 2006 - 2009, 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.
#
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = EmuVariableFvbLib
FILE_GUID = 8a6062ed-7140-4a74-b4ea-fe900e79e24b
MODULE_TYPE = BASE
VERSION_STRING = 1.0
LIBRARY_CLASS = PlatformFvbLib|DXE_RUNTIME_DRIVER
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
[Sources.common]
EmuVariableFvbLib.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
OvmfPkg/OvmfPkg.dec
[LibraryClasses]
BaseLib
BaseMemoryLib
DebugLib
MemoryAllocationLib
[Pcd]
gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent

19
OvmfPkg/OvmfPkg.dec
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@ -25,14 +25,17 @@
[Guids.common]
gUefiOvmfPkgTokenSpaceGuid = {0x93bb96af, 0xb9f2, 0x4eb8, {0x94, 0x62, 0xe0, 0xba, 0x74, 0x56, 0x42, 0x36}}
[PcdsFixedAtBuild.common]
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|0x0|UINT32|0x0000100e
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize|0x0|UINT32|0x0000100f
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoveryBase|0x0|UINT32|0x00001010
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoverySize|0x0|UINT32|0x00001011
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize|0x0|UINT32|0x00001012
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize|0|UINT32|0x00001013
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|0x0|UINT32|0x00001014
[PcdsFixedAtBuild]
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|0x0|UINT32|0
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize|0x0|UINT32|0
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoveryBase|0x0|UINT32|0
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashFvRecoverySize|0x0|UINT32|0
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize|0x0|UINT32|0
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize|0|UINT32|0
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|0x0|UINT32|0
[PcdsDynamic]
gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent|0|UINT64|0
[LibraryClasses]
## @libraryclass Save and restore variables using a file