--- /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
+ FlashMap.h\r
+\r
+Abstract:\r
+\r
+ FlashMap PPI defined in Tiano\r
+\r
+ This code abstracts FlashMap access\r
+\r
+--*/\r
+\r
+#ifndef __COMMON_FLASHMAP_H__\r
+#define __COMMON_FLASHMAP_H__\r
+\r
+#include <Common/FrameworkHob.h>\r
+//\r
+// Definition for flash map GUIDed HOBs\r
+//\r
+typedef UINT32 EFI_FLASH_AREA_ATTRIBUTES;\r
+\r
+#define EFI_FLASH_AREA_FV 0x0001\r
+#define EFI_FLASH_AREA_SUBFV 0x0002\r
+#define EFI_FLASH_AREA_MEMMAPPED_FV 0x0004\r
+#define EFI_FLASH_AREA_REQUIRED 0x0008\r
+#define EFI_FLASH_AREA_CORRUPT 0x0010\r
+\r
+typedef UINT8 EFI_FLASH_AREA_TYPE;\r
+\r
+#define EFI_FLASH_AREA_RECOVERY_BIOS 0x0 // Recovery code\r
+#define EFI_FLASH_AREA_MAIN_BIOS 0x1 // Regular BIOS code\r
+#define EFI_FLASH_AREA_PAL_B 0x2 // PAL-B\r
+#define EFI_FLASH_AREA_RESERVED_03 0x3 // Reserved for backwards compatibility\r
+#define EFI_FLASH_AREA_RESERVED_04 0x4 // Reserved for backwards compatibility\r
+#define EFI_FLASH_AREA_DMI_FRU 0x5 // DMI FRU information\r
+#define EFI_FLASH_AREA_OEM_BINARY 0x6 // OEM Binary Code/data\r
+#define EFI_FLASH_AREA_RESERVED_07 0x7 // Reserved for backwards compatibility\r
+#define EFI_FLASH_AREA_RESERVED_08 0x8 // Reserved for backwards compatibility\r
+#define EFI_FLASH_AREA_RESERVED_09 0x9 // Reserved for backwards compatibility\r
+#define EFI_FLASH_AREA_RESERVED_0A 0x0a // Reserved for backwards compatibility\r
+#define EFI_FLASH_AREA_EFI_VARIABLES 0x0b // EFI variables\r
+#define EFI_FLASH_AREA_MCA_LOG 0x0c // MCA error log\r
+#define EFI_FLASH_AREA_SMBIOS_LOG 0x0d // SMBIOS error log\r
+#define EFI_FLASH_AREA_FTW_BACKUP 0x0e // A backup block during FTW operations\r
+#define EFI_FLASH_AREA_FTW_STATE 0x0f // State information during FTW operations\r
+#define EFI_FLASH_AREA_UNUSED 0x0fd // Not used\r
+#define EFI_FLASH_AREA_GUID_DEFINED 0x0fe // Usage defined by a GUID\r
+#pragma pack(1)\r
+//\r
+// An individual sub-area Entry.\r
+// A single flash area may consist of more than one sub-area.\r
+//\r
+typedef struct {\r
+ EFI_FLASH_AREA_ATTRIBUTES Attributes;\r
+ UINT32 Reserved;\r
+ EFI_PHYSICAL_ADDRESS Base;\r
+ EFI_PHYSICAL_ADDRESS Length;\r
+ EFI_GUID FileSystem;\r
+} EFI_FLASH_SUBAREA_ENTRY;\r
+\r
+typedef struct {\r
+ UINT8 Reserved[3];\r
+ EFI_FLASH_AREA_TYPE AreaType;\r
+ EFI_GUID AreaTypeGuid;\r
+ UINT32 NumEntries;\r
+ EFI_FLASH_SUBAREA_ENTRY Entries[1];\r
+} EFI_FLASH_MAP_ENTRY_DATA;\r
+\r
+typedef struct {\r
+ EFI_HOB_GENERIC_HEADER Header;\r
+ EFI_GUID Name;\r
+ UINT8 Reserved[3];\r
+ EFI_FLASH_AREA_TYPE AreaType;\r
+ EFI_GUID AreaTypeGuid;\r
+ UINT32 NumEntries;\r
+ EFI_FLASH_SUBAREA_ENTRY Entries[1];\r
+} EFI_HOB_FLASH_MAP_ENTRY_TYPE;\r
+\r
+//\r
+// Internal definitions\r
+//\r
+typedef struct {\r
+ UINT8 Reserved[3];\r
+ EFI_FLASH_AREA_TYPE AreaType;\r
+ EFI_GUID AreaTypeGuid;\r
+ UINT32 NumberOfEntries;\r
+ EFI_FLASH_SUBAREA_ENTRY SubAreaData;\r
+} EFI_FLASH_AREA_HOB_DATA;\r
+\r
+typedef struct {\r
+ UINTN Base;\r
+ UINTN Length;\r
+ EFI_FLASH_AREA_ATTRIBUTES Attributes;\r
+ EFI_FLASH_AREA_TYPE AreaType;\r
+ UINT8 Reserved[3];\r
+ EFI_GUID AreaTypeGuid;\r
+} EFI_FLASH_AREA_DATA;\r
+\r
+#pragma pack()\r
+\r
+#endif\r
--- /dev/null
+/**@file\r
+ Common header file shared by all source files.\r
+\r
+ This file includes package header files, library classes and protocol, PPI & GUID definitions.\r
+\r
+ Copyright (c) 2006 - 2007, 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
+ 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
+\r
+#ifndef __COMMON_HEADER_H_\r
+#define __COMMON_HEADER_H_\r
+\r
+\r
+//\r
+// The package level header files this module uses\r
+//\r
+#include <PiDxe.h>\r
+//\r
+// The protocols, PPI and GUID defintions for this module\r
+//\r
+#include <Protocol/FirmwareVolumeBlock.h>\r
+#include <Protocol/FvbExtension.h>\r
+//\r
+// The Library classes this module consumes\r
+//\r
+#include <Library/FvbServiceLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/UefiRuntimeLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+\r
+//\r
+// Declaration for callback Event.\r
+//\r
+VOID\r
+EFIAPI\r
+FvbVirtualAddressChangeNotifyEvent (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ );\r
+\r
+#endif\r
--- /dev/null
+#/** @file\r
+# FvbService Library for UEFI drivers\r
+#\r
+# This library instance provide sevice functions to access Firmware Volume Block protocol.\r
+# Copyright (c) 2006 - 2007, Intel Corporation\r
+#\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
+# 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
+#\r
+#**/\r
+\r
+################################################################################\r
+#\r
+# Defines Section - statements that will be processed to create a Makefile.\r
+#\r
+################################################################################\r
+[Defines]\r
+ INF_VERSION = 0x00010005\r
+ BASE_NAME = EdkFvbServiceLib\r
+ FILE_GUID = bd4d540e-04b0-4b10-8fd5-4a7bb533cf67\r
+ MODULE_TYPE = DXE_DRIVER\r
+ VERSION_STRING = 1.0\r
+ LIBRARY_CLASS = EdkFvbServiceLib|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER\r
+ EDK_RELEASE_VERSION = 0x00020000\r
+ EFI_SPECIFICATION_VERSION = 0x00020000\r
+\r
+ CONSTRUCTOR = FvbLibInitialize\r
+\r
+#\r
+# The following information is for reference only and not required by the build tools.\r
+#\r
+# VALID_ARCHITECTURES = IA32 X64 IPF\r
+#\r
+# VIRTUAL_ADDRESS_MAP_CALLBACK = FvbVirtualAddressChangeNotifyEvent\r
+#\r
+\r
+################################################################################\r
+#\r
+# Sources Section - list of files that are required for the build to succeed.\r
+#\r
+################################################################################\r
+\r
+[Sources.common]\r
+ Fvb.h\r
+\r
+[Sources.Ia32]\r
+ Ia32/Fvb.c\r
+\r
+[Sources.X64]\r
+ x64/Fvb.c\r
+\r
+[Sources.IPF]\r
+ Ipf/Fvb.c\r
+\r
+\r
+################################################################################\r
+#\r
+# Includes Section - list of Include locations that are required for\r
+# this module.\r
+#\r
+################################################################################\r
+\r
+[Includes]\r
+ $(WORKSPACE)/MdePkg/Include/Library\r
+\r
+################################################################################\r
+#\r
+# Package Dependency Section - list of Package files that are required for\r
+# this module.\r
+#\r
+################################################################################\r
+\r
+[Packages]\r
+ MdePkg/MdePkg.dec\r
+ IntelFrameworkPkg/IntelFrameworkPkg.dec\r
+\r
+################################################################################\r
+#\r
+# Library Class Section - list of Library Classes that are required for\r
+# this module.\r
+#\r
+################################################################################\r
+\r
+[LibraryClasses.IA32]\r
+ UefiBootServicesTableLib\r
+ UefiRuntimeLib\r
+ BaseMemoryLib\r
+ DebugLib\r
+ BaseLib\r
+ UefiLib\r
+\r
+[LibraryClasses.X64]\r
+ UefiBootServicesTableLib\r
+ UefiRuntimeLib\r
+ BaseMemoryLib\r
+ DebugLib\r
+ BaseLib\r
+ UefiLib\r
+\r
+\r
+################################################################################\r
+#\r
+# Protocol C Name Section - list of Protocol and Protocol Notify C Names\r
+# that this module uses or produces.\r
+#\r
+################################################################################\r
+\r
+[Protocols]\r
+ gEfiFirmwareVolumeBlockProtocolGuid # PROTOCOL_NOTIFY SOMETIMES_CONSUMED\r
+\r
+[Protocols.IA32]\r
+ gEfiFvbExtensionProtocolGuid # PROTOCOL ALWAYS_CONSUMED\r
+ gEfiFirmwareVolumeBlockProtocolGuid # PROTOCOL ALWAYS_CONSUMED\r
+\r
+[Protocols.X64]\r
+ gEfiFvbExtensionProtocolGuid # PROTOCOL ALWAYS_CONSUMED\r
+ gEfiFirmwareVolumeBlockProtocolGuid # PROTOCOL ALWAYS_CONSUMED\r
+\r
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>\r
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">\r
+ <MsaHeader>\r
+ <ModuleName>EdkFvbServiceLib</ModuleName>\r
+ <ModuleType>DXE_DRIVER</ModuleType>\r
+ <GuidValue>bd4d540e-04b0-4b10-8fd5-4a7bb533cf67</GuidValue>\r
+ <Version>1.0</Version>\r
+ <Abstract>FvbService Library for UEFI drivers</Abstract>\r
+ <Description>This library instance provide sevice functions to access Firmware Volume Block protocol.</Description>\r
+ <Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>\r
+ <License>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.</License>\r
+ <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>\r
+ </MsaHeader>\r
+ <ModuleDefinitions>\r
+ <SupportedArchitectures>IA32 X64 IPF</SupportedArchitectures>\r
+ <BinaryModule>false</BinaryModule>\r
+ <OutputFileBasename>EdkFvbServiceLib</OutputFileBasename>\r
+ </ModuleDefinitions>\r
+ <LibraryClassDefinitions>\r
+ <LibraryClass Usage="ALWAYS_PRODUCED" SupModuleList="DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER">\r
+ <Keyword>EdkFvbServiceLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED" SupArchList="IA32 X64">\r
+ <Keyword>UefiLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED" SupArchList="IA32 X64">\r
+ <Keyword>BaseLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED" SupArchList="IA32 X64">\r
+ <Keyword>DebugLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED" SupArchList="IA32 X64">\r
+ <Keyword>BaseMemoryLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED" SupArchList="IA32 X64">\r
+ <Keyword>UefiRuntimeLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED" SupArchList="IA32 X64">\r
+ <Keyword>UefiBootServicesTableLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED" SupArchList="IPF">\r
+ <Keyword>EdkDxeSalLib</Keyword>\r
+ </LibraryClass>\r
+ </LibraryClassDefinitions>\r
+ <SourceFiles>\r
+ <Filename>Fvb.h</Filename>\r
+ <Filename SupArchList="IA32">Ia32/Fvb.c</Filename>\r
+ <Filename SupArchList="X64">x64/Fvb.c</Filename>\r
+ <Filename SupArchList="IPF">Ipf/Fvb.c</Filename>\r
+ </SourceFiles>\r
+ <PackageDependencies>\r
+ <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>\r
+ <Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>\r
+ </PackageDependencies>\r
+ <Protocols>\r
+ <Protocol Usage="ALWAYS_CONSUMED" SupArchList="IA32 X64">\r
+ <ProtocolCName>gEfiFirmwareVolumeBlockProtocolGuid</ProtocolCName>\r
+ </Protocol>\r
+ <Protocol Usage="ALWAYS_CONSUMED" SupArchList="IA32 X64">\r
+ <ProtocolCName>gEfiFvbExtensionProtocolGuid</ProtocolCName>\r
+ </Protocol>\r
+ <ProtocolNotify Usage="SOMETIMES_CONSUMED">\r
+ <ProtocolNotifyCName>gEfiFirmwareVolumeBlockProtocolGuid</ProtocolNotifyCName>\r
+ </ProtocolNotify>\r
+ </Protocols>\r
+ <Externs>\r
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>\r
+ <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>\r
+ <Extern>\r
+ <Constructor>FvbLibInitialize</Constructor>\r
+ </Extern>\r
+ <Extern>\r
+ <SetVirtualAddressMapCallBack>FvbVirtualAddressChangeNotifyEvent</SetVirtualAddressMapCallBack>\r
+ </Extern>\r
+ </Externs>\r
+</ModuleSurfaceArea>
\ No newline at end of file
--- /dev/null
+/**@file\r
+ Entry Point Source file.\r
+\r
+ This file contains the user entry point\r
+\r
+ Copyright (c) 2006 - 2007, 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
+ 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
+\r
+//\r
+// Include common header file for this module.\r
+//\r
+#include "CommonHeader.h"\r
+\r
+//\r
+// Event for Exit Boot Services Callback\r
+//\r
+STATIC EFI_EVENT mExitBootServicesEvent = NULL;\r
+\r
+/**\r
+ The user Entry Point for module EdkFvbServiceLib. The user code starts with this function.\r
+\r
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
+ @param[in] SystemTable A pointer to the EFI System Table.\r
+\r
+ @retval EFI_SUCCESS The entry point is executed successfully.\r
+ @retval other Some error occurs when executing this entry point.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+InitializeEdkFvbServiceLib(\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+\r
+ Status = gBS->CreateEvent (\r
+ EVT_SIGNAL_EXIT_BOOT_SERVICES,\r
+ TPL_NOTIFY,\r
+ FvbVirtualAddressChangeNotifyEvent,\r
+ NULL,\r
+ &mExitBootServicesEvent\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ return Status;\r
+}\r
--- /dev/null
+/**\r
+ The internal header file for EdkFvbServiceLib.\r
+\r
+Copyright (c) 2006 Intel Corporation. <BR>\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
+**/\r
+\r
+#ifndef __FVB_H__\r
+#define __FVB_H__\r
+\r
+//\r
+// The package level header files this module uses\r
+//\r
+#include <PiDxe.h>\r
+//\r
+// The protocols, PPI and GUID defintions for this module\r
+//\r
+#include <Protocol/FirmwareVolumeBlock.h>\r
+#include <Protocol/FvbExtension.h>\r
+//\r
+// The Library classes this module consumes\r
+//\r
+#include <Library/FvbServiceLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/UefiRuntimeLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+\r
+#define MAX_FVB_COUNT 16\r
+\r
+typedef struct {\r
+ EFI_HANDLE Handle;\r
+ EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;\r
+ EFI_FVB_EXTENSION_PROTOCOL *FvbExtension;\r
+ BOOLEAN IsRuntimeAccess;\r
+} FVB_ENTRY;\r
+\r
+#endif\r
DevicePathLib|${WORKSPACE}/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf\r
UefiLib|${WORKSPACE}/MdePkg/Library/UefiLib/UefiLib.inf\r
DxeServicesTableLib|${WORKSPACE}/MdePkg/Library/DxeServicesTableLib/DxeServicesTableLib.inf\r
+ ReportStatusCodeLib|${WORKSPACE}/IntelFrameworkPkg/Library/DxeReportStatusCodeLibFramework/DxeReportStatusCodeLib.inf\r
\r
[LibraryClasses.common.DXE_DRIVER]\r
HobLib|${WORKSPACE}/MdePkg/Library/DxeHobLib/DxeHobLib.inf\r
UefiLib|${WORKSPACE}/MdePkg/Library/UefiLib/UefiLib.inf\r
UefiRuntimeServicesTableLib|${WORKSPACE}/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf\r
DxeServicesTableLib|${WORKSPACE}/MdePkg/Library/DxeServicesTableLib/DxeServicesTableLib.inf\r
+ FvbServiceLib|${WORKSPACE}/MdeModulePkg/Library/EdkFvbServiceLib/EdkFvbServiceLib.inf\r
+ ReportStatusCodeLib|${WORKSPACE}/IntelFrameworkPkg/Library/DxeReportStatusCodeLibFramework/DxeReportStatusCodeLib.inf\r
\r
[LibraryClasses.common.DXE_RUNTIME_DRIVER]\r
HobLib|${WORKSPACE}/MdePkg/Library/DxeHobLib/DxeHobLib.inf\r
UefiLib|${WORKSPACE}/MdePkg/Library/UefiLib/UefiLib.inf\r
UefiRuntimeServicesTableLib|${WORKSPACE}/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf\r
DxeServicesTableLib|${WORKSPACE}/MdePkg/Library/DxeServicesTableLib/DxeServicesTableLib.inf\r
+ FvbServiceLib|${WORKSPACE}/MdeModulePkg/Library/EdkFvbServiceLib/EdkFvbServiceLib.inf\r
+ ReportStatusCodeLib|${WORKSPACE}/IntelFrameworkPkg/Library/DxeReportStatusCodeLibFramework/DxeReportStatusCodeLib.inf\r
\r
[LibraryClasses.common.DXE_SAL_DRIVER]\r
HobLib|${WORKSPACE}/MdePkg/Library/DxeHobLib/DxeHobLib.inf\r
UefiDriverEntryPoint|${WORKSPACE}/MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf\r
UefiLib|${WORKSPACE}/MdePkg/Library/UefiLib/UefiLib.inf\r
UefiRuntimeServicesTableLib|${WORKSPACE}/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf\r
+ FvbServiceLib|${WORKSPACE}/MdeModulePkg/Library/EdkFvbServiceLib/EdkFvbServiceLib.inf\r
+ ReportStatusCodeLib|${WORKSPACE}/IntelFrameworkPkg/Library/DxeReportStatusCodeLibFramework/DxeReportStatusCodeLib.inf\r
+\r
\r
[LibraryClasses.common.DXE_SMM_DRIVER]\r
HobLib|${WORKSPACE}/MdePkg/Library/DxeHobLib/DxeHobLib.inf\r
DevicePathLib|${WORKSPACE}/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf\r
UefiLib|${WORKSPACE}/MdePkg/Library/UefiLib/UefiLib.inf\r
UefiRuntimeServicesTableLib|${WORKSPACE}/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf\r
+ FvbServiceLib|${WORKSPACE}/MdeModulePkg/Library/EdkFvbServiceLib/EdkFvbServiceLib.inf\r
+ ReportStatusCodeLib|${WORKSPACE}/IntelFrameworkPkg/Library/DxeReportStatusCodeLibFramework/DxeReportStatusCodeLib.inf\r
+\r
\r
[LibraryClasses.common.UEFI_DRIVER]\r
HobLib|${WORKSPACE}/MdePkg/Library/DxeHobLib/DxeHobLib.inf\r
UefiDriverEntryPoint|${WORKSPACE}/MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf\r
UefiLib|${WORKSPACE}/MdePkg/Library/UefiLib/UefiLib.inf\r
UefiRuntimeServicesTableLib|${WORKSPACE}/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf\r
+ FvbServiceLib|${WORKSPACE}/MdeModulePkg/Library/EdkFvbServiceLib/EdkFvbServiceLib.inf\r
+ ReportStatusCodeLib|${WORKSPACE}/IntelFrameworkPkg/Library/DxeReportStatusCodeLibFramework/DxeReportStatusCodeLib.inf\r
+\r
\r
[LibraryClasses.common.UEFI_APPLICATION]\r
HobLib|${WORKSPACE}/MdePkg/Library/DxeHobLib/DxeHobLib.inf\r
UefiLib|${WORKSPACE}/MdePkg/Library/UefiLib/UefiLib.inf\r
UefiRuntimeServicesTableLib|${WORKSPACE}/MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf\r
DebugLib|${WORKSPACE}/MdePkg/Library/UefiDebugLibStdErr/UefiDebugLibStdErr.inf\r
+ FvbServiceLib|${WORKSPACE}/MdeModulePkg/Library/EdkFvbServiceLib/EdkFvbServiceLib.inf\r
+ ReportStatusCodeLib|${WORKSPACE}/IntelFrameworkPkg/Library/DxeReportStatusCodeLibFramework/DxeReportStatusCodeLib.inf\r
\r
\r
[LibraryClasses.IA32.BASE]\r
PcdDriverDiagnostics2Disable|gEfiMdePkgTokenSpaceGuid|TRUE\r
PcdSupportUpdateCapsuleRest|gEfiEdkModulePkgTokenSpaceGuid|FALSE\r
\r
+# PcdStatusCodeUseOEM|gEfiIntelFrameworkModulePkgTokenSpaceGuid|FALSE\r
+\r
[PcdsFixedAtBuild.common]\r
PcdMaximumUnicodeStringLength|gEfiMdePkgTokenSpaceGuid|1000000\r
PcdMaximumAsciiStringLength|gEfiMdePkgTokenSpaceGuid|1000000\r
PcdFlashNvStorageFtwSpareSize|gEfiGenericPlatformTokenSpaceGuid|0x0\r
PcdFlashNvStorageFtwWorkingBase|gEfiGenericPlatformTokenSpaceGuid|0x0\r
PcdFlashNvStorageFtwWorkingSize|gEfiGenericPlatformTokenSpaceGuid|0x0\r
+ PcdFlashNvStorageVariableBase|gEfiGenericPlatformTokenSpaceGuid|0x0\r
+ PcdFlashNvStorageVariableSize|gEfiGenericPlatformTokenSpaceGuid|0x0\r
\r
[PcdsPatchableInModule.common]\r
PcdDebugPrintErrorLevel|gEfiMdePkgTokenSpaceGuid|0x80000000\r
${WORKSPACE}/MdeModulePkg/Universal/GenericMemoryTest/Dxe/NullMemoryTest.inf\r
${WORKSPACE}/MdeModulePkg/Universal/FirmwareVolume/FaultTolerantWriteLite/Dxe/FtwLite.inf\r
#${WORKSPACE}/MdeModulePkg/Universal/FirmwareVolume/GuidedSectionExtraction/Crc32SectionExtract/Dxe/Crc32SectionExtract.inf\r
+ ${WORKSPACE}/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.inf\r
${WORKSPACE}/MdeModulePkg/Bus/Pci/AtapiPassThru/Dxe/AtapiPassThru.inf\r
${WORKSPACE}/MdeModulePkg/Universal/WatchDogTimerDxe/WatchDogTimer.inf\r
- ${WORKSPACE}/MdeModulePkg/Universal/VariablePei/Variable.inf
\ No newline at end of file
+ ${WORKSPACE}/MdeModulePkg/Universal/VariablePei/Variable.inf\r
[Sources.common]\r
ComponentName.c\r
DiskIo.h\r
- diskio.c\r
+ DiskIo.c\r
\r
\r
################################################################################\r
</LibraryClass>\r
</LibraryClassDefinitions>\r
<SourceFiles>\r
- <Filename>diskio.c</Filename>\r
+ <FilenameDiskIo.c</Filename>\r
<Filename>DiskIo.h</Filename>\r
<Filename>ComponentName.c</Filename>\r
</SourceFiles>\r
--- /dev/null
+/**@file\r
+ Common header file shared by all source files.\r
+\r
+ This file includes package header files, library classes and protocol, PPI & GUID definitions.\r
+\r
+ Copyright (c) 2006 - 2007, 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
+ 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
+\r
+#ifndef __COMMON_HEADER_H_\r
+#define __COMMON_HEADER_H_\r
+\r
+\r
+//\r
+// The package level header files this module uses\r
+//\r
+#include <PiDxe.h>\r
+\r
+//\r
+// The protocols, PPI and GUID defintions for this module\r
+//\r
+#include <Protocol/UnicodeCollation.h>\r
+//\r
+// The Library classes this module consumes\r
+//\r
+#include <Library/DebugLib.h>\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+\r
+#endif\r
--- /dev/null
+#/** @file\r
+# Component description file for English module for unicode collation.\r
+#\r
+# This driver installs UEFI EFI_UNICODE_COLLATION_PROTOCOL protocol to provide Unicode strings function.\r
+# Copyright (c) 2006 - 2007, Intel Corporation\r
+#\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
+# 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
+#\r
+#**/\r
+\r
+################################################################################\r
+#\r
+# Defines Section - statements that will be processed to create a Makefile.\r
+#\r
+################################################################################\r
+[Defines]\r
+ INF_VERSION = 0x00010005\r
+ BASE_NAME = English\r
+ FILE_GUID = CD3BAFB6-50FB-4fe8-8E4E-AB74D2C1A600\r
+ MODULE_TYPE = UEFI_DRIVER\r
+ VERSION_STRING = 1.0\r
+ EDK_RELEASE_VERSION = 0x00020000\r
+ EFI_SPECIFICATION_VERSION = 0x00020000\r
+\r
+ ENTRY_POINT = InitializeUnicodeCollationEng\r
+\r
+#\r
+# The following information is for reference only and not required by the build tools.\r
+#\r
+# VALID_ARCHITECTURES = IA32 X64 IPF EBC\r
+#\r
+\r
+################################################################################\r
+#\r
+# Sources Section - list of files that are required for the build to succeed.\r
+#\r
+################################################################################\r
+\r
+[Sources.common]\r
+ UnicodeCollationEng.c\r
+ UnicodeCollationEng.h\r
+\r
+\r
+################################################################################\r
+#\r
+# Includes Section - list of Include locations that are required for\r
+# this module.\r
+#\r
+################################################################################\r
+\r
+[Includes]\r
+ $(WORKSPACE)/MdePkg/Include/Library\r
+\r
+################################################################################\r
+#\r
+# Package Dependency Section - list of Package files that are required for\r
+# this module.\r
+#\r
+################################################################################\r
+\r
+[Packages]\r
+ $(WORKSPACE)/MdeModulePkg/MdeModulePkg.dec\r
+ $(WORKSPACE)/MdePkg/MdePkg.dec\r
+\r
+################################################################################\r
+#\r
+# Library Class Section - list of Library Classes that are required for\r
+# this module.\r
+#\r
+################################################################################\r
+\r
+[LibraryClasses]\r
+ UefiBootServicesTableLib\r
+ UefiDriverEntryPoint\r
+ DebugLib\r
+\r
+\r
+################################################################################\r
+#\r
+# Protocol C Name Section - list of Protocol and Protocol Notify C Names\r
+# that this module uses or produces.\r
+#\r
+################################################################################\r
+\r
+[Protocols]\r
+ gEfiUnicodeCollationProtocolGuid # PROTOCOL ALWAYS_PRODUCED\r
+\r
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>\r
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">\r
+ <MsaHeader>\r
+ <ModuleName>English</ModuleName>\r
+ <ModuleType>UEFI_DRIVER</ModuleType>\r
+ <GuidValue>CD3BAFB6-50FB-4fe8-8E4E-AB74D2C1A600</GuidValue>\r
+ <Version>1.0</Version>\r
+ <Abstract>Component description file for English module for unicode collation.</Abstract>\r
+ <Description>This driver installs UEFI EFI_UNICODE_COLLATION_PROTOCOL protocol to provide Unicode strings function.</Description>\r
+ <Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>\r
+ <License>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
+ 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.</License>\r
+ <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>\r
+ </MsaHeader>\r
+ <ModuleDefinitions>\r
+ <SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>\r
+ <BinaryModule>false</BinaryModule>\r
+ <OutputFileBasename>English</OutputFileBasename>\r
+ </ModuleDefinitions>\r
+ <LibraryClassDefinitions>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED" RecommendedInstanceGuid="bda39d3a-451b-4350-8266-81ab10fa0523">\r
+ <Keyword>DebugLib</Keyword>\r
+ <HelpText>Recommended libary Instance is PeiDxeDebugLibReportStatusCode instance in MdePkg.</HelpText>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>UefiDriverEntryPoint</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>UefiBootServicesTableLib</Keyword>\r
+ </LibraryClass>\r
+ </LibraryClassDefinitions>\r
+ <SourceFiles>\r
+ <Filename>UnicodeCollationEng.h</Filename>\r
+ <Filename>UnicodeCollationEng.c</Filename>\r
+ </SourceFiles>\r
+ <PackageDependencies>\r
+ <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>\r
+ </PackageDependencies>\r
+ <Protocols>\r
+ <Protocol Usage="ALWAYS_PRODUCED">\r
+ <ProtocolCName>gEfiUnicodeCollationProtocolGuid</ProtocolCName>\r
+ </Protocol>\r
+ </Protocols>\r
+ <Externs>\r
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>\r
+ <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>\r
+ <Extern>\r
+ <ModuleEntryPoint>InitializeUnicodeCollationEng</ModuleEntryPoint>\r
+ </Extern>\r
+ </Externs>\r
+</ModuleSurfaceArea>
\ No newline at end of file
--- /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
+ UnicodeCollationEng.c\r
+\r
+Abstract:\r
+\r
+ Unicode Collation Protocol (English)\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+\r
+#include "UnicodeCollationEng.h"\r
+\r
+CHAR8 mEngUpperMap[0x100];\r
+CHAR8 mEngLowerMap[0x100];\r
+CHAR8 mEngInfoMap[0x100];\r
+\r
+CHAR8 mOtherChars[] = {\r
+ '0',\r
+ '1',\r
+ '2',\r
+ '3',\r
+ '4',\r
+ '5',\r
+ '6',\r
+ '7',\r
+ '8',\r
+ '9',\r
+ '\\',\r
+ '.',\r
+ '_',\r
+ '^',\r
+ '$',\r
+ '~',\r
+ '!',\r
+ '#',\r
+ '%',\r
+ '&',\r
+ '-',\r
+ '{',\r
+ '}',\r
+ '(',\r
+ ')',\r
+ '@',\r
+ '`',\r
+ '\'',\r
+ '\0'\r
+};\r
+\r
+EFI_HANDLE mHandle = NULL;\r
+\r
+EFI_UNICODE_COLLATION_PROTOCOL UnicodeEng = {\r
+ EngStriColl,\r
+ EngMetaiMatch,\r
+ EngStrLwr,\r
+ EngStrUpr,\r
+ EngFatToStr,\r
+ EngStrToFat,\r
+ "eng"\r
+};\r
+\r
+//\r
+//\r
+//\r
+EFI_STATUS\r
+InitializeUnicodeCollationEng (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Initializes the Unicode Collation Driver\r
+\r
+Arguments:\r
+\r
+ ImageHandle -\r
+\r
+ SystemTable -\r
+\r
+Returns:\r
+\r
+ EFI_SUCCESS\r
+ EFI_OUT_OF_RESOURCES\r
+\r
+--*/\r
+{\r
+ UINTN Index;\r
+ UINTN Index2;\r
+\r
+ //\r
+ // Initialize mapping tables for the supported languages\r
+ //\r
+ for (Index = 0; Index < 0x100; Index++) {\r
+ mEngUpperMap[Index] = (CHAR8) Index;\r
+ mEngLowerMap[Index] = (CHAR8) Index;\r
+ mEngInfoMap[Index] = 0;\r
+\r
+ if ((Index >= 'a' && Index <= 'z') || (Index >= 0xe0 && Index <= 0xf6) || (Index >= 0xf8 && Index <= 0xfe)) {\r
+\r
+ Index2 = Index - 0x20;\r
+ mEngUpperMap[Index] = (CHAR8) Index2;\r
+ mEngLowerMap[Index2] = (CHAR8) Index;\r
+\r
+ mEngInfoMap[Index] |= CHAR_FAT_VALID;\r
+ mEngInfoMap[Index2] |= CHAR_FAT_VALID;\r
+ }\r
+ }\r
+\r
+ for (Index = 0; mOtherChars[Index]; Index++) {\r
+ Index2 = mOtherChars[Index];\r
+ mEngInfoMap[Index2] |= CHAR_FAT_VALID;\r
+ }\r
+ //\r
+ // Create a handle for the device\r
+ //\r
+ return gBS->InstallProtocolInterface (\r
+ &mHandle,\r
+ &gEfiUnicodeCollationProtocolGuid,\r
+ EFI_NATIVE_INTERFACE,\r
+ &UnicodeEng\r
+ );\r
+}\r
+\r
+INTN\r
+EFIAPI\r
+EngStriColl (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN CHAR16 *s1,\r
+ IN CHAR16 *s2\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Performs a case-insensitive comparison of two Null-terminated Unicode strings.\r
+\r
+Arguments:\r
+\r
+ This\r
+ s1\r
+ s2\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ while (*s1) {\r
+ if (ToUpper (*s1) != ToUpper (*s2)) {\r
+ break;\r
+ }\r
+\r
+ s1 += 1;\r
+ s2 += 1;\r
+ }\r
+\r
+ return ToUpper (*s1) - ToUpper (*s2);\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+EngStrLwr (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN OUT CHAR16 *Str\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Converts all the Unicode characters in a Null-terminated Unicode string\r
+ to lower case Unicode characters.\r
+\r
+Arguments:\r
+\r
+ This - A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.\r
+ Str1 - A pointer to a Null-terminated Unicode string.\r
+ Str2 - A pointer to a Null-terminated Unicode string.\r
+\r
+Returns:\r
+\r
+ 0 - s1 is equivalent to s2.\r
+ > 0 - s1 is lexically greater than s2.\r
+ < 0 - s1 is lexically less than s2.\r
+\r
+--*/\r
+{\r
+ while (*Str) {\r
+ *Str = ToLower (*Str);\r
+ Str += 1;\r
+ }\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+EngStrUpr (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN OUT CHAR16 *Str\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Converts all the Unicode characters in a Null-terminated\r
+ Unicode string to upper case Unicode characters.\r
+\r
+Arguments:\r
+ This\r
+ Str\r
+\r
+Returns:\r
+ None\r
+\r
+--*/\r
+{\r
+ while (*Str) {\r
+ *Str = ToUpper (*Str);\r
+ Str += 1;\r
+ }\r
+}\r
+\r
+BOOLEAN\r
+EFIAPI\r
+EngMetaiMatch (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN CHAR16 *String,\r
+ IN CHAR16 *Pattern\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Performs a case-insensitive comparison between a Null-terminated\r
+ Unicode pattern string and a Null-terminated Unicode string.\r
+\r
+ The pattern string can use the '?' wildcard to match any character,\r
+ and the '*' wildcard to match any sub-string.\r
+\r
+Arguments:\r
+\r
+ This - A pointer to the EFI_UNICODE_COLLATION_PROTOCOL instance.\r
+ String - A pointer to a Null-terminated Unicode string.\r
+ Pattern - A pointer to a Null-terminated Unicode pattern string.\r
+\r
+Returns:\r
+\r
+ TRUE - Pattern was found in String.\r
+ FALSE - Pattern was not found in String.\r
+\r
+--*/\r
+{\r
+ CHAR16 CharC;\r
+ CHAR16 CharP;\r
+ CHAR16 Index3;\r
+\r
+ for (;;) {\r
+ CharP = *Pattern;\r
+ Pattern += 1;\r
+\r
+ switch (CharP) {\r
+ case 0:\r
+ //\r
+ // End of pattern. If end of string, TRUE match\r
+ //\r
+ if (*String) {\r
+ return FALSE;\r
+ } else {\r
+ return TRUE;\r
+ }\r
+\r
+ case '*':\r
+ //\r
+ // Match zero or more chars\r
+ //\r
+ while (*String) {\r
+ if (EngMetaiMatch (This, String, Pattern)) {\r
+ return TRUE;\r
+ }\r
+\r
+ String += 1;\r
+ }\r
+\r
+ return EngMetaiMatch (This, String, Pattern);\r
+\r
+ case '?':\r
+ //\r
+ // Match any one char\r
+ //\r
+ if (!*String) {\r
+ return FALSE;\r
+ }\r
+\r
+ String += 1;\r
+ break;\r
+\r
+ case '[':\r
+ //\r
+ // Match char set\r
+ //\r
+ CharC = *String;\r
+ if (!CharC) {\r
+ //\r
+ // syntax problem\r
+ //\r
+ return FALSE;\r
+ }\r
+\r
+ Index3 = 0;\r
+ CharP = *Pattern++;\r
+ while (CharP) {\r
+ if (CharP == ']') {\r
+ return FALSE;\r
+ }\r
+\r
+ if (CharP == '-') {\r
+ //\r
+ // if range of chars, get high range\r
+ //\r
+ CharP = *Pattern;\r
+ if (CharP == 0 || CharP == ']') {\r
+ //\r
+ // syntax problem\r
+ //\r
+ return FALSE;\r
+ }\r
+\r
+ if (ToUpper (CharC) >= ToUpper (Index3) && ToUpper (CharC) <= ToUpper (CharP)) {\r
+ //\r
+ // if in range, it's a match\r
+ //\r
+ break;\r
+ }\r
+ }\r
+\r
+ Index3 = CharP;\r
+ if (ToUpper (CharC) == ToUpper (CharP)) {\r
+ //\r
+ // if char matches\r
+ //\r
+ break;\r
+ }\r
+\r
+ CharP = *Pattern++;\r
+ }\r
+ //\r
+ // skip to end of match char set\r
+ //\r
+ while (CharP && CharP != ']') {\r
+ CharP = *Pattern;\r
+ Pattern += 1;\r
+ }\r
+\r
+ String += 1;\r
+ break;\r
+\r
+ default:\r
+ CharC = *String;\r
+ if (ToUpper (CharC) != ToUpper (CharP)) {\r
+ return FALSE;\r
+ }\r
+\r
+ String += 1;\r
+ break;\r
+ }\r
+ }\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+EngFatToStr (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN UINTN FatSize,\r
+ IN CHAR8 *Fat,\r
+ OUT CHAR16 *String\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Converts an 8.3 FAT file name using an OEM character set\r
+ to a Null-terminated Unicode string.\r
+\r
+ BUGBUG: Function has to expand DBCS FAT chars, currently not.\r
+\r
+Arguments:\r
+ This\r
+ FatSize\r
+ Fat\r
+ String\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ //\r
+ // No DBCS issues, just expand and add null terminate to end of string\r
+ //\r
+ while (*Fat && FatSize) {\r
+ *String = *Fat;\r
+ String += 1;\r
+ Fat += 1;\r
+ FatSize -= 1;\r
+ }\r
+\r
+ *String = 0;\r
+}\r
+\r
+BOOLEAN\r
+EFIAPI\r
+EngStrToFat (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN CHAR16 *String,\r
+ IN UINTN FatSize,\r
+ OUT CHAR8 *Fat\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Converts a Null-terminated Unicode string to legal characters\r
+ in a FAT filename using an OEM character set.\r
+\r
+ Functions has to crunch string to a fat string. Replacing\r
+ any chars that can't be represented in the fat name.\r
+\r
+Arguments:\r
+ This\r
+ String\r
+ FatSize\r
+ Fat\r
+\r
+Returns:\r
+ TRUE\r
+ FALSE\r
+--*/\r
+{\r
+ BOOLEAN SpecialCharExist;\r
+\r
+ SpecialCharExist = FALSE;\r
+ while (*String && FatSize) {\r
+ //\r
+ // Skip '.' or ' ' when making a fat name\r
+ //\r
+ if (*String != '.' && *String != ' ') {\r
+ //\r
+ // If this is a valid fat char, move it.\r
+ // Otherwise, move a '_' and flag the fact that the name needs an Lfn\r
+ //\r
+ if (*String < 0x100 && (mEngInfoMap[*String] & CHAR_FAT_VALID)) {\r
+ *Fat = mEngUpperMap[*String];\r
+ } else {\r
+ *Fat = '_';\r
+ SpecialCharExist = TRUE;\r
+ }\r
+\r
+ Fat += 1;\r
+ FatSize -= 1;\r
+ }\r
+\r
+ String += 1;\r
+ }\r
+ //\r
+ // Do not terminate that fat string\r
+ //\r
+ return SpecialCharExist;\r
+}\r
--- /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
+ UnicodeCollationEng.h\r
+\r
+Abstract:\r
+\r
+ Head file for Unicode Collation Protocol (English)\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+#ifndef _UNICODE_COLLATION_ENG_H\r
+#define _UNICODE_COLLATION_ENG_H\r
+\r
+\r
+//\r
+// The package level header files this module uses\r
+//\r
+#include <PiDxe.h>\r
+\r
+//\r
+// The protocols, PPI and GUID defintions for this module\r
+//\r
+#include <Protocol/UnicodeCollation.h>\r
+//\r
+// The Library classes this module consumes\r
+//\r
+#include <Library/DebugLib.h>\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+\r
+//\r
+// Defines\r
+//\r
+#define CHAR_FAT_VALID 0x01\r
+\r
+#define ToUpper(a) (CHAR16) (a <= 0xFF ? mEngUpperMap[a] : a)\r
+#define ToLower(a) (CHAR16) (a <= 0xFF ? mEngLowerMap[a] : a)\r
+\r
+//\r
+// Prototypes\r
+//\r
+INTN\r
+EFIAPI\r
+EngStriColl (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN CHAR16 *s1,\r
+ IN CHAR16 *s2\r
+ )\r
+;\r
+\r
+BOOLEAN\r
+EFIAPI\r
+EngMetaiMatch (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN CHAR16 *String,\r
+ IN CHAR16 *Pattern\r
+ )\r
+;\r
+\r
+VOID\r
+EFIAPI\r
+EngStrLwr (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN OUT CHAR16 *Str\r
+ )\r
+;\r
+\r
+VOID\r
+EFIAPI\r
+EngStrUpr (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN OUT CHAR16 *Str\r
+ )\r
+;\r
+\r
+VOID\r
+EFIAPI\r
+EngFatToStr (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN UINTN FatSize,\r
+ IN CHAR8 *Fat,\r
+ OUT CHAR16 *String\r
+ )\r
+;\r
+\r
+BOOLEAN\r
+EFIAPI\r
+EngStrToFat (\r
+ IN EFI_UNICODE_COLLATION_PROTOCOL *This,\r
+ IN CHAR16 *String,\r
+ IN UINTN FatSize,\r
+ OUT CHAR8 *Fat\r
+ )\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+InitializeUnicodeCollationEng (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+;\r
+\r
+#endif\r
--- /dev/null
+/**@file\r
+ Common header file shared by all source files.\r
+\r
+ This file includes package header files, library classes and protocol, PPI & GUID definitions.\r
+\r
+ Copyright (c) 2006 - 2007, 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
+ 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
+\r
+#ifndef __COMMON_HEADER_H_\r
+#define __COMMON_HEADER_H_\r
+\r
+\r
+//\r
+// The package level header files this module uses\r
+//\r
+#include <FrameworkDxe.h>\r
+//\r
+// The protocols, PPI and GUID defintions for this module\r
+//\r
+#include <Protocol/VariableWrite.h>\r
+#include <Protocol/FaultTolerantWriteLite.h>\r
+#include <Protocol/FirmwareVolumeBlock.h>\r
+#include <Protocol/Variable.h>\r
+//\r
+// The Library classes this module consumes\r
+//\r
+#include <Library/PcdLib.h>\r
+#include <Library/UefiDriverEntryPoint.h>\r
+#include <Library/DxeServicesTableLib.h>\r
+#include <Library/UefiRuntimeLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/FvbServiceLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
+#include <Library/UefiLib.h>\r
+#include <Library/BaseLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+\r
+\r
+#endif\r
--- /dev/null
+/*++\r
+\r
+Copyright (c) 2006 - 2007, 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
+ InitVariable.c\r
+\r
+Abstract:\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+//\r
+// Include common header file for this module.\r
+//\r
+#include "CommonHeader.h"\r
+\r
+#include "Variable.h"\r
+\r
+//\r
+// Event for Exit Boot Services Callback\r
+//\r
+STATIC EFI_EVENT mExitBootServicesEvent = NULL;\r
+\r
+\r
+//\r
+// Don't use module globals after the SetVirtualAddress map is signaled\r
+//\r
+extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+RuntimeServiceGetVariable (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID * VendorGuid,\r
+ OUT UINT32 *Attributes OPTIONAL,\r
+ IN OUT UINTN *DataSize,\r
+ OUT VOID *Data\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ return GetVariable (\r
+ VariableName,\r
+ VendorGuid,\r
+ Attributes OPTIONAL,\r
+ DataSize,\r
+ Data,\r
+ &mVariableModuleGlobal->VariableGlobal[Physical],\r
+ mVariableModuleGlobal->FvbInstance\r
+ );\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+RuntimeServiceGetNextVariableName (\r
+ IN OUT UINTN *VariableNameSize,\r
+ IN OUT CHAR16 *VariableName,\r
+ IN OUT EFI_GUID *VendorGuid\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ return GetNextVariableName (\r
+ VariableNameSize,\r
+ VariableName,\r
+ VendorGuid,\r
+ &mVariableModuleGlobal->VariableGlobal[Physical],\r
+ mVariableModuleGlobal->FvbInstance\r
+ );\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+RuntimeServiceSetVariable (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID *VendorGuid,\r
+ IN UINT32 Attributes,\r
+ IN UINTN DataSize,\r
+ IN VOID *Data\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ return SetVariable (\r
+ VariableName,\r
+ VendorGuid,\r
+ Attributes,\r
+ DataSize,\r
+ Data,\r
+ &mVariableModuleGlobal->VariableGlobal[Physical],\r
+ &mVariableModuleGlobal->VolatileLastVariableOffset,\r
+ &mVariableModuleGlobal->NonVolatileLastVariableOffset,\r
+ mVariableModuleGlobal->FvbInstance\r
+ );\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+RuntimeServiceQueryVariableInfo (\r
+ IN UINT32 Attributes,\r
+ OUT UINT64 *MaximumVariableStorageSize,\r
+ OUT UINT64 *RemainingVariableStorageSize,\r
+ OUT UINT64 *MaximumVariableSize\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ return QueryVariableInfo (\r
+ Attributes,\r
+ MaximumVariableStorageSize,\r
+ RemainingVariableStorageSize,\r
+ MaximumVariableSize,\r
+ &mVariableModuleGlobal->VariableGlobal[Physical],\r
+ mVariableModuleGlobal->FvbInstance\r
+ );\r
+}\r
+\r
+VOID\r
+EFIAPI\r
+VariableClassAddressChangeEvent (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ EfiConvertPointer (\r
+ 0x0,\r
+ (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase\r
+ );\r
+ EfiConvertPointer (\r
+ 0x0,\r
+ (VOID **) &mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase\r
+ );\r
+ EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal);\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VariableServiceInitialize (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+Arguments:\r
+\r
+Returns:\r
+\r
+--*/\r
+{\r
+ EFI_HANDLE NewHandle;\r
+ EFI_STATUS Status;\r
+\r
+ Status = VariableCommonInitialize (ImageHandle, SystemTable);\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ SystemTable->RuntimeServices->GetVariable = RuntimeServiceGetVariable;\r
+ SystemTable->RuntimeServices->GetNextVariableName = RuntimeServiceGetNextVariableName;\r
+ SystemTable->RuntimeServices->SetVariable = RuntimeServiceSetVariable;\r
+ SystemTable->RuntimeServices->QueryVariableInfo = RuntimeServiceQueryVariableInfo;\r
+\r
+ //\r
+ // Now install the Variable Runtime Architectural Protocol on a new handle\r
+ //\r
+ NewHandle = NULL;\r
+ Status = gBS->InstallMultipleProtocolInterfaces (\r
+ &NewHandle,\r
+ &gEfiVariableArchProtocolGuid,\r
+ NULL,\r
+ &gEfiVariableWriteArchProtocolGuid,\r
+ NULL,\r
+ NULL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ Status = gBS->CreateEvent (\r
+ EVT_SIGNAL_EXIT_BOOT_SERVICES,\r
+ TPL_NOTIFY,\r
+ VariableClassAddressChangeEvent,\r
+ NULL,\r
+ &mExitBootServicesEvent\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+\r
+ return EFI_SUCCESS;\r
+}\r
--- /dev/null
+/*++\r
+\r
+Copyright (c) 2006 - 2007, 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
+ Variable.c\r
+\r
+Abstract:\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+\r
+#include "Variable.h"\r
+#include "reclaim.h"\r
+\r
+#include <Common/FlashMap.h>\r
+\r
+//\r
+// Don't use module globals after the SetVirtualAddress map is signaled\r
+//\r
+ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;\r
+\r
+//\r
+// This is a temperary function which will be removed\r
+// when EfiAcquireLock in UefiLib can handle the\r
+// the call in UEFI Runtimer driver in RT phase.\r
+//\r
+STATIC\r
+VOID\r
+AcquireLockOnlyAtBootTime (\r
+ IN EFI_LOCK *Lock\r
+ )\r
+{\r
+ if (!EfiAtRuntime ()) {\r
+ EfiAcquireLock (Lock);\r
+ }\r
+}\r
+\r
+//\r
+// This is a temperary function which will be removed\r
+// when EfiAcquireLock in UefiLib can handle the\r
+// the call in UEFI Runtimer driver in RT phase.\r
+//\r
+STATIC\r
+VOID\r
+ReleaseLockOnlyAtBootTime (\r
+ IN EFI_LOCK *Lock\r
+ )\r
+{\r
+ if (!EfiAtRuntime ()) {\r
+ EfiReleaseLock (Lock);\r
+ }\r
+}\r
+\r
+STATIC\r
+BOOLEAN\r
+EFIAPI\r
+IsValidVariableHeader (\r
+ IN VARIABLE_HEADER *Variable\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code checks if variable header is valid or not.\r
+\r
+Arguments:\r
+ Variable Pointer to the Variable Header.\r
+\r
+Returns:\r
+ TRUE Variable header is valid.\r
+ FALSE Variable header is not valid.\r
+\r
+--*/\r
+{\r
+ if (Variable == NULL ||\r
+ Variable->StartId != VARIABLE_DATA ||\r
+ (sizeof (VARIABLE_HEADER) + Variable->NameSize + Variable->DataSize) > MAX_VARIABLE_SIZE\r
+ ) {\r
+ return FALSE;\r
+ }\r
+\r
+ return TRUE;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+UpdateVariableStore (\r
+ IN VARIABLE_GLOBAL *Global,\r
+ IN BOOLEAN Volatile,\r
+ IN BOOLEAN SetByIndex,\r
+ IN UINTN Instance,\r
+ IN UINTN DataPtrIndex,\r
+ IN UINT32 DataSize,\r
+ IN UINT8 *Buffer\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This function writes data to the FWH at the correct LBA even if the LBAs\r
+ are fragmented.\r
+\r
+Arguments:\r
+\r
+ Global Pointer to VARAIBLE_GLOBAL structure\r
+ Volatile If the Variable is Volatile or Non-Volatile\r
+ SetByIndex TRUE: Target pointer is given as index\r
+ FALSE: Target pointer is absolute\r
+ Instance Instance of FV Block services\r
+ DataPtrIndex Pointer to the Data from the end of VARIABLE_STORE_HEADER\r
+ structure\r
+ DataSize Size of data to be written.\r
+ Buffer Pointer to the buffer from which data is written\r
+\r
+Returns:\r
+\r
+ EFI STATUS\r
+\r
+--*/\r
+{\r
+ EFI_FV_BLOCK_MAP_ENTRY *PtrBlockMapEntry;\r
+ UINTN BlockIndex2;\r
+ UINTN LinearOffset;\r
+ UINTN CurrWriteSize;\r
+ UINTN CurrWritePtr;\r
+ UINT8 *CurrBuffer;\r
+ EFI_LBA LbaNumber;\r
+ UINTN Size;\r
+ FRAMEWORK_EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r
+ VARIABLE_STORE_HEADER *VolatileBase;\r
+ EFI_PHYSICAL_ADDRESS FvVolHdr;\r
+ EFI_PHYSICAL_ADDRESS DataPtr;\r
+ EFI_STATUS Status;\r
+\r
+ FwVolHeader = NULL;\r
+ DataPtr = DataPtrIndex;\r
+\r
+ //\r
+ // Check if the Data is Volatile\r
+ //\r
+ if (!Volatile) {\r
+ EfiFvbGetPhysicalAddress (Instance, &FvVolHdr);\r
+ FwVolHeader = (FRAMEWORK_EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvVolHdr);\r
+ //\r
+ // Data Pointer should point to the actual Address where data is to be\r
+ // written\r
+ //\r
+ if (SetByIndex) {\r
+ DataPtr += Global->NonVolatileVariableBase;\r
+ }\r
+\r
+ if ((DataPtr + DataSize) >= ((EFI_PHYSICAL_ADDRESS) (UINTN) ((UINT8 *) FwVolHeader + FwVolHeader->FvLength))) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ } else {\r
+ //\r
+ // Data Pointer should point to the actual Address where data is to be\r
+ // written\r
+ //\r
+ VolatileBase = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);\r
+ if (SetByIndex) {\r
+ DataPtr += Global->VolatileVariableBase;\r
+ }\r
+\r
+ if ((DataPtr + DataSize) >= ((UINTN) ((UINT8 *) VolatileBase + VolatileBase->Size))) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ }\r
+ //\r
+ // If Volatile Variable just do a simple mem copy.\r
+ //\r
+ if (Volatile) {\r
+ CopyMem ((UINT8 *) ((UINTN) DataPtr), Buffer, DataSize);\r
+ return EFI_SUCCESS;\r
+ }\r
+ //\r
+ // If we are here we are dealing with Non-Volatile Variables\r
+ //\r
+ LinearOffset = (UINTN) FwVolHeader;\r
+ CurrWritePtr = (UINTN) DataPtr;\r
+ CurrWriteSize = DataSize;\r
+ CurrBuffer = Buffer;\r
+ LbaNumber = 0;\r
+\r
+ if (CurrWritePtr < LinearOffset) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ for (PtrBlockMapEntry = FwVolHeader->FvBlockMap; PtrBlockMapEntry->NumBlocks != 0; PtrBlockMapEntry++) {\r
+ for (BlockIndex2 = 0; BlockIndex2 < PtrBlockMapEntry->NumBlocks; BlockIndex2++) {\r
+ //\r
+ // Check to see if the Variable Writes are spanning through multiple\r
+ // blocks.\r
+ //\r
+ if ((CurrWritePtr >= LinearOffset) && (CurrWritePtr < LinearOffset + PtrBlockMapEntry->Length)) {\r
+ if ((CurrWritePtr + CurrWriteSize) <= (LinearOffset + PtrBlockMapEntry->Length)) {\r
+ Status = EfiFvbWriteBlock (\r
+ Instance,\r
+ LbaNumber,\r
+ (UINTN) (CurrWritePtr - LinearOffset),\r
+ &CurrWriteSize,\r
+ CurrBuffer\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ } else {\r
+ Size = (UINT32) (LinearOffset + PtrBlockMapEntry->Length - CurrWritePtr);\r
+ Status = EfiFvbWriteBlock (\r
+ Instance,\r
+ LbaNumber,\r
+ (UINTN) (CurrWritePtr - LinearOffset),\r
+ &Size,\r
+ CurrBuffer\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ CurrWritePtr = LinearOffset + PtrBlockMapEntry->Length;\r
+ CurrBuffer = CurrBuffer + Size;\r
+ CurrWriteSize = CurrWriteSize - Size;\r
+ }\r
+ }\r
+\r
+ LinearOffset += PtrBlockMapEntry->Length;\r
+ LbaNumber++;\r
+ }\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+STATIC\r
+VARIABLE_STORE_STATUS\r
+EFIAPI\r
+GetVariableStoreStatus (\r
+ IN VARIABLE_STORE_HEADER *VarStoreHeader\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code gets the current status of Variable Store.\r
+\r
+Arguments:\r
+\r
+ VarStoreHeader Pointer to the Variable Store Header.\r
+\r
+Returns:\r
+\r
+ EfiRaw Variable store status is raw\r
+ EfiValid Variable store status is valid\r
+ EfiInvalid Variable store status is invalid\r
+\r
+--*/\r
+{\r
+ if (VarStoreHeader->Signature == VARIABLE_STORE_SIGNATURE &&\r
+ VarStoreHeader->Format == VARIABLE_STORE_FORMATTED &&\r
+ VarStoreHeader->State == VARIABLE_STORE_HEALTHY\r
+ ) {\r
+\r
+ return EfiValid;\r
+ } else if (VarStoreHeader->Signature == 0xffffffff &&\r
+ VarStoreHeader->Size == 0xffffffff &&\r
+ VarStoreHeader->Format == 0xff &&\r
+ VarStoreHeader->State == 0xff\r
+ ) {\r
+\r
+ return EfiRaw;\r
+ } else {\r
+ return EfiInvalid;\r
+ }\r
+}\r
+\r
+STATIC\r
+UINT8 *\r
+EFIAPI\r
+GetVariableDataPtr (\r
+ IN VARIABLE_HEADER *Variable\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code gets the pointer to the variable data.\r
+\r
+Arguments:\r
+\r
+ Variable Pointer to the Variable Header.\r
+\r
+Returns:\r
+\r
+ UINT8* Pointer to Variable Data\r
+\r
+--*/\r
+{\r
+ //\r
+ // Be careful about pad size for alignment\r
+ //\r
+ return (UINT8 *) ((UINTN) GET_VARIABLE_NAME_PTR (Variable) + Variable->NameSize + GET_PAD_SIZE (Variable->NameSize));\r
+}\r
+\r
+STATIC\r
+VARIABLE_HEADER *\r
+EFIAPI\r
+GetNextVariablePtr (\r
+ IN VARIABLE_HEADER *Variable\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code gets the pointer to the next variable header.\r
+\r
+Arguments:\r
+\r
+ Variable Pointer to the Variable Header.\r
+\r
+Returns:\r
+\r
+ VARIABLE_HEADER* Pointer to next variable header.\r
+\r
+--*/\r
+{\r
+ if (!IsValidVariableHeader (Variable)) {\r
+ return NULL;\r
+ }\r
+ //\r
+ // Be careful about pad size for alignment\r
+ //\r
+ return (VARIABLE_HEADER *) ((UINTN) GetVariableDataPtr (Variable) + Variable->DataSize + GET_PAD_SIZE (Variable->DataSize));\r
+}\r
+\r
+STATIC\r
+VARIABLE_HEADER *\r
+EFIAPI\r
+GetEndPointer (\r
+ IN VARIABLE_STORE_HEADER *VarStoreHeader\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code gets the pointer to the last variable memory pointer byte\r
+\r
+Arguments:\r
+\r
+ VarStoreHeader Pointer to the Variable Store Header.\r
+\r
+Returns:\r
+\r
+ VARIABLE_HEADER* Pointer to last unavailable Variable Header\r
+\r
+--*/\r
+{\r
+ //\r
+ // The end of variable store\r
+ //\r
+ return (VARIABLE_HEADER *) ((UINTN) VarStoreHeader + VarStoreHeader->Size);\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+Reclaim (\r
+ IN EFI_PHYSICAL_ADDRESS VariableBase,\r
+ OUT UINTN *LastVariableOffset,\r
+ IN BOOLEAN IsVolatile\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Variable store garbage collection and reclaim operation\r
+\r
+Arguments:\r
+\r
+ VariableBase Base address of variable store\r
+ LastVariableOffset Offset of last variable\r
+ IsVolatile The variable store is volatile or not,\r
+ if it is non-volatile, need FTW\r
+\r
+Returns:\r
+\r
+ EFI STATUS\r
+\r
+--*/\r
+{\r
+ VARIABLE_HEADER *Variable;\r
+ VARIABLE_HEADER *NextVariable;\r
+ VARIABLE_STORE_HEADER *VariableStoreHeader;\r
+ UINT8 *ValidBuffer;\r
+ UINTN ValidBufferSize;\r
+ UINTN VariableSize;\r
+ UINT8 *CurrPtr;\r
+ EFI_STATUS Status;\r
+\r
+ VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) VariableBase);\r
+\r
+ //\r
+ // Start Pointers for the variable.\r
+ //\r
+ Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1);\r
+\r
+ ValidBufferSize = sizeof (VARIABLE_STORE_HEADER);\r
+\r
+ while (IsValidVariableHeader (Variable)) {\r
+ NextVariable = GetNextVariablePtr (Variable);\r
+ if (Variable->State == VAR_ADDED) {\r
+ VariableSize = (UINTN) NextVariable - (UINTN) Variable;\r
+ ValidBufferSize += VariableSize;\r
+ }\r
+\r
+ Variable = NextVariable;\r
+ }\r
+\r
+ ValidBuffer = AllocatePool (ValidBufferSize);\r
+ if (ValidBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ SetMem (ValidBuffer, ValidBufferSize, 0xff);\r
+\r
+ CurrPtr = ValidBuffer;\r
+\r
+ //\r
+ // Copy variable store header\r
+ //\r
+ CopyMem (CurrPtr, VariableStoreHeader, sizeof (VARIABLE_STORE_HEADER));\r
+ CurrPtr += sizeof (VARIABLE_STORE_HEADER);\r
+\r
+ //\r
+ // Start Pointers for the variable.\r
+ //\r
+ Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1);\r
+\r
+ while (IsValidVariableHeader (Variable)) {\r
+ NextVariable = GetNextVariablePtr (Variable);\r
+ if (Variable->State == VAR_ADDED) {\r
+ VariableSize = (UINTN) NextVariable - (UINTN) Variable;\r
+ CopyMem (CurrPtr, (UINT8 *) Variable, VariableSize);\r
+ CurrPtr += VariableSize;\r
+ }\r
+\r
+ Variable = NextVariable;\r
+ }\r
+\r
+ if (IsVolatile) {\r
+ //\r
+ // If volatile variable store, just copy valid buffer\r
+ //\r
+ SetMem ((UINT8 *) (UINTN) VariableBase, VariableStoreHeader->Size, 0xff);\r
+ CopyMem ((UINT8 *) (UINTN) VariableBase, ValidBuffer, ValidBufferSize);\r
+ *LastVariableOffset = ValidBufferSize;\r
+ Status = EFI_SUCCESS;\r
+ } else {\r
+ //\r
+ // If non-volatile variable store, perform FTW here.\r
+ //\r
+ Status = FtwVariableSpace (\r
+ VariableBase,\r
+ ValidBuffer,\r
+ ValidBufferSize\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ *LastVariableOffset = ValidBufferSize;\r
+ }\r
+ }\r
+\r
+ FreePool (ValidBuffer);\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ *LastVariableOffset = 0;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+EFIAPI\r
+FindVariable (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID *VendorGuid,\r
+ OUT VARIABLE_POINTER_TRACK *PtrTrack,\r
+ IN VARIABLE_GLOBAL *Global\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code finds variable in storage blocks (Volatile or Non-Volatile)\r
+\r
+Arguments:\r
+\r
+ VariableName Name of the variable to be found\r
+ VendorGuid Vendor GUID to be found.\r
+ PtrTrack Variable Track Pointer structure that contains\r
+ Variable Information.\r
+ Contains the pointer of Variable header.\r
+ Global VARIABLE_GLOBAL pointer\r
+\r
+Returns:\r
+\r
+ EFI STATUS\r
+\r
+--*/\r
+{\r
+ VARIABLE_HEADER *Variable[2];\r
+ VARIABLE_STORE_HEADER *VariableStoreHeader[2];\r
+ UINTN Index;\r
+\r
+ //\r
+ // We aquire the lock at the entry of FindVariable as GetVariable, GetNextVariableName\r
+ // SetVariable all call FindVariable at entry point. Please move "Aquire Lock" to\r
+ // the correct places if this assumption does not hold TRUE anymore.\r
+ //\r
+ AcquireLockOnlyAtBootTime(&Global->VariableServicesLock);\r
+\r
+ //\r
+ // 0: Non-Volatile, 1: Volatile\r
+ //\r
+ VariableStoreHeader[0] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase);\r
+ VariableStoreHeader[1] = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);\r
+\r
+ //\r
+ // Start Pointers for the variable.\r
+ // Actual Data Pointer where data can be written.\r
+ //\r
+ Variable[0] = (VARIABLE_HEADER *) (VariableStoreHeader[0] + 1);\r
+ Variable[1] = (VARIABLE_HEADER *) (VariableStoreHeader[1] + 1);\r
+\r
+ if (VariableName[0] != 0 && VendorGuid == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ //\r
+ // Find the variable by walk through non-volatile and volatile variable store\r
+ //\r
+ for (Index = 0; Index < 2; Index++) {\r
+ PtrTrack->StartPtr = (VARIABLE_HEADER *) (VariableStoreHeader[Index] + 1);\r
+ PtrTrack->EndPtr = GetEndPointer (VariableStoreHeader[Index]);\r
+\r
+ while (IsValidVariableHeader (Variable[Index]) && (Variable[Index] <= GetEndPointer (VariableStoreHeader[Index]))) {\r
+ if (Variable[Index]->State == VAR_ADDED) {\r
+ if (!(EfiAtRuntime () && !(Variable[Index]->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) {\r
+ if (VariableName[0] == 0) {\r
+ PtrTrack->CurrPtr = Variable[Index];\r
+ PtrTrack->Volatile = (BOOLEAN) Index;\r
+ return EFI_SUCCESS;\r
+ } else {\r
+ if (CompareGuid (VendorGuid, &Variable[Index]->VendorGuid)) {\r
+ if (!CompareMem (VariableName, GET_VARIABLE_NAME_PTR (Variable[Index]), Variable[Index]->NameSize)) {\r
+ PtrTrack->CurrPtr = Variable[Index];\r
+ PtrTrack->Volatile = (BOOLEAN) Index;\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ Variable[Index] = GetNextVariablePtr (Variable[Index]);\r
+ }\r
+ //\r
+ // While (...)\r
+ //\r
+ }\r
+ //\r
+ // for (...)\r
+ //\r
+ PtrTrack->CurrPtr = NULL;\r
+ return EFI_NOT_FOUND;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+GetVariable (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID * VendorGuid,\r
+ OUT UINT32 *Attributes OPTIONAL,\r
+ IN OUT UINTN *DataSize,\r
+ OUT VOID *Data,\r
+ IN VARIABLE_GLOBAL * Global,\r
+ IN UINT32 Instance\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code finds variable in storage blocks (Volatile or Non-Volatile)\r
+\r
+Arguments:\r
+\r
+ VariableName Name of Variable to be found\r
+ VendorGuid Variable vendor GUID\r
+ Attributes OPTIONAL Attribute value of the variable found\r
+ DataSize Size of Data found. If size is less than the\r
+ data, this value contains the required size.\r
+ Data Data pointer\r
+ Global Pointer to VARIABLE_GLOBAL structure\r
+ Instance Instance of the Firmware Volume.\r
+\r
+Returns:\r
+\r
+ EFI STATUS\r
+\r
+--*/\r
+{\r
+ VARIABLE_POINTER_TRACK Variable;\r
+ UINTN VarDataSize;\r
+ EFI_STATUS Status;\r
+\r
+ if (VariableName == NULL || VendorGuid == NULL || DataSize == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+ //\r
+ // Find existing variable\r
+ //\r
+ Status = FindVariable (VariableName, VendorGuid, &Variable, Global);\r
+\r
+ if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // Get data size\r
+ //\r
+ VarDataSize = Variable.CurrPtr->DataSize;\r
+ if (*DataSize >= VarDataSize) {\r
+ if (Data == NULL) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+\r
+ CopyMem (Data, GetVariableDataPtr (Variable.CurrPtr), VarDataSize);\r
+ if (Attributes != NULL) {\r
+ *Attributes = Variable.CurrPtr->Attributes;\r
+ }\r
+\r
+ *DataSize = VarDataSize;\r
+ Status = EFI_SUCCESS;\r
+ goto Done;\r
+ } else {\r
+ *DataSize = VarDataSize;\r
+ Status = EFI_BUFFER_TOO_SMALL;\r
+ goto Done;\r
+ }\r
+\r
+Done:\r
+ ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);\r
+ return Status;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+GetNextVariableName (\r
+ IN OUT UINTN *VariableNameSize,\r
+ IN OUT CHAR16 *VariableName,\r
+ IN OUT EFI_GUID *VendorGuid,\r
+ IN VARIABLE_GLOBAL *Global,\r
+ IN UINT32 Instance\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code Finds the Next available variable\r
+\r
+Arguments:\r
+\r
+ VariableNameSize Size of the variable\r
+ VariableName Pointer to variable name\r
+ VendorGuid Variable Vendor Guid\r
+ Global VARIABLE_GLOBAL structure pointer.\r
+ Instance FV instance\r
+\r
+Returns:\r
+\r
+ EFI STATUS\r
+\r
+--*/\r
+{\r
+ VARIABLE_POINTER_TRACK Variable;\r
+ UINTN VarNameSize;\r
+ EFI_STATUS Status;\r
+\r
+ if (VariableNameSize == NULL || VariableName == NULL || VendorGuid == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Status = FindVariable (VariableName, VendorGuid, &Variable, Global);\r
+\r
+ if (Variable.CurrPtr == NULL || EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ if (VariableName[0] != 0) {\r
+ //\r
+ // If variable name is not NULL, get next variable\r
+ //\r
+ Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);\r
+ }\r
+\r
+ while (TRUE) {\r
+ //\r
+ // If both volatile and non-volatile variable store are parsed,\r
+ // return not found\r
+ //\r
+ if (Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL) {\r
+ Variable.Volatile = (BOOLEAN) (Variable.Volatile ^ ((BOOLEAN) 0x1));\r
+ if (Variable.Volatile) {\r
+ Variable.StartPtr = (VARIABLE_HEADER *) ((UINTN) (Global->VolatileVariableBase + sizeof (VARIABLE_STORE_HEADER)));\r
+ Variable.EndPtr = (VARIABLE_HEADER *) GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase));\r
+ } else {\r
+ Status = EFI_NOT_FOUND;\r
+ goto Done;\r
+ }\r
+\r
+ Variable.CurrPtr = Variable.StartPtr;\r
+ if (!IsValidVariableHeader (Variable.CurrPtr)) {\r
+ continue;\r
+ }\r
+ }\r
+ //\r
+ // Variable is found\r
+ //\r
+ if (IsValidVariableHeader (Variable.CurrPtr) && Variable.CurrPtr->State == VAR_ADDED) {\r
+ if (!(EfiAtRuntime () && !(Variable.CurrPtr->Attributes & EFI_VARIABLE_RUNTIME_ACCESS))) {\r
+ VarNameSize = Variable.CurrPtr->NameSize;\r
+ if (VarNameSize <= *VariableNameSize) {\r
+ CopyMem (\r
+ VariableName,\r
+ GET_VARIABLE_NAME_PTR (Variable.CurrPtr),\r
+ VarNameSize\r
+ );\r
+ CopyMem (\r
+ VendorGuid,\r
+ &Variable.CurrPtr->VendorGuid,\r
+ sizeof (EFI_GUID)\r
+ );\r
+ Status = EFI_SUCCESS;\r
+ } else {\r
+ Status = EFI_BUFFER_TOO_SMALL;\r
+ }\r
+\r
+ *VariableNameSize = VarNameSize;\r
+ goto Done;\r
+ }\r
+ }\r
+\r
+ Variable.CurrPtr = GetNextVariablePtr (Variable.CurrPtr);\r
+ }\r
+\r
+Done:\r
+ ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);\r
+ return Status;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+SetVariable (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID *VendorGuid,\r
+ IN UINT32 Attributes,\r
+ IN UINTN DataSize,\r
+ IN VOID *Data,\r
+ IN VARIABLE_GLOBAL *Global,\r
+ IN UINTN *VolatileOffset,\r
+ IN UINTN *NonVolatileOffset,\r
+ IN UINT32 Instance\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code sets variable in storage blocks (Volatile or Non-Volatile)\r
+\r
+Arguments:\r
+\r
+ VariableName Name of Variable to be found\r
+ VendorGuid Variable vendor GUID\r
+ Attributes Attribute value of the variable found\r
+ DataSize Size of Data found. If size is less than the\r
+ data, this value contains the required size.\r
+ Data Data pointer\r
+ Global Pointer to VARIABLE_GLOBAL structure\r
+ VolatileOffset The offset of last volatile variable\r
+ NonVolatileOffset The offset of last non-volatile variable\r
+ Instance Instance of the Firmware Volume.\r
+\r
+Returns:\r
+\r
+ EFI STATUS\r
+ EFI_INVALID_PARAMETER - Invalid parameter\r
+ EFI_SUCCESS - Set successfully\r
+ EFI_OUT_OF_RESOURCES - Resource not enough to set variable\r
+ EFI_NOT_FOUND - Not found\r
+\r
+--*/\r
+{\r
+ VARIABLE_POINTER_TRACK Variable;\r
+ EFI_STATUS Status;\r
+ VARIABLE_HEADER *NextVariable;\r
+ UINTN VarNameSize;\r
+ UINTN VarNameOffset;\r
+ UINTN VarDataOffset;\r
+ UINTN VarSize;\r
+ UINT8 State;\r
+ BOOLEAN Reclaimed;\r
+\r
+ Reclaimed = FALSE;\r
+\r
+ if (VariableName == NULL || VariableName[0] == 0 || VendorGuid == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Status = FindVariable (VariableName, VendorGuid, &Variable, Global);\r
+\r
+ if (Status == EFI_INVALID_PARAMETER) {\r
+ goto Done;\r
+ } else if (!EFI_ERROR (Status) && Variable.Volatile && EfiAtRuntime()) {\r
+ //\r
+ // If EfiAtRuntime and the variable is Volatile and Runtime Access,\r
+ // the volatile is ReadOnly, and SetVariable should be aborted and\r
+ // return EFI_WRITE_PROTECTED.\r
+ //\r
+ Status = EFI_WRITE_PROTECTED;\r
+ goto Done;\r
+ } else if (sizeof (VARIABLE_HEADER) + StrSize (VariableName) + DataSize > MAX_VARIABLE_SIZE) {\r
+ //\r
+ // The size of the VariableName, including the Unicode Null in bytes plus\r
+ // the DataSize is limited to maximum size of MAX_VARIABLE_SIZE (1024) bytes.\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ } else if (Attributes == EFI_VARIABLE_NON_VOLATILE) {\r
+ //\r
+ // Make sure not only EFI_VARIABLE_NON_VOLATILE is set\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) ==\r
+ EFI_VARIABLE_RUNTIME_ACCESS) {\r
+ //\r
+ // Make sure if runtime bit is set, boot service bit is set also\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) {\r
+ //\r
+ // Runtime but Attribute is not Runtime\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ } else if (EfiAtRuntime () && Attributes && !(Attributes & EFI_VARIABLE_NON_VOLATILE)) {\r
+ //\r
+ // Cannot set volatile variable in Runtime\r
+ //\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ } else if (DataSize == 0 || (Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == 0) {\r
+ //\r
+ // Setting a data variable with no access, or zero DataSize attributes\r
+ // specified causes it to be deleted.\r
+ //\r
+ if (!EFI_ERROR (Status)) {\r
+ State = Variable.CurrPtr->State;\r
+ State &= VAR_DELETED;\r
+\r
+ Status = UpdateVariableStore (\r
+ Global,\r
+ Variable.Volatile,\r
+ FALSE,\r
+ Instance,\r
+ (UINTN) &Variable.CurrPtr->State,\r
+ sizeof (UINT8),\r
+ &State\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ Status = EFI_SUCCESS;\r
+ goto Done;\r
+ }\r
+\r
+ Status = EFI_NOT_FOUND;\r
+ goto Done;\r
+ } else {\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // If the variable is marked valid and the same data has been passed in\r
+ // then return to the caller immediately.\r
+ //\r
+ if (Variable.CurrPtr->DataSize == DataSize &&\r
+ !CompareMem (Data, GetVariableDataPtr (Variable.CurrPtr), DataSize)\r
+ ) {\r
+ Status = EFI_SUCCESS;\r
+ goto Done;\r
+ } else if (Variable.CurrPtr->State == VAR_ADDED) {\r
+ //\r
+ // Mark the old variable as in delete transition\r
+ //\r
+ State = Variable.CurrPtr->State;\r
+ State &= VAR_IN_DELETED_TRANSITION;\r
+\r
+ Status = UpdateVariableStore (\r
+ Global,\r
+ Variable.Volatile,\r
+ FALSE,\r
+ Instance,\r
+ (UINTN) &Variable.CurrPtr->State,\r
+ sizeof (UINT8),\r
+ &State\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ }\r
+ }\r
+ //\r
+ // Create a new variable and copy the data.\r
+ //\r
+ // Tricky part: Use scratch data area at the end of volatile variable store\r
+ // as a temporary storage.\r
+ //\r
+ NextVariable = GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase));\r
+\r
+ SetMem (NextVariable, SCRATCH_SIZE, 0xff);\r
+\r
+ NextVariable->StartId = VARIABLE_DATA;\r
+ NextVariable->Attributes = Attributes;\r
+ //\r
+ // NextVariable->State = VAR_ADDED;\r
+ //\r
+ NextVariable->Reserved = 0;\r
+ VarNameOffset = sizeof (VARIABLE_HEADER);\r
+ VarNameSize = StrSize (VariableName);\r
+ CopyMem (\r
+ (UINT8 *) ((UINTN) NextVariable + VarNameOffset),\r
+ VariableName,\r
+ VarNameSize\r
+ );\r
+ VarDataOffset = VarNameOffset + VarNameSize + GET_PAD_SIZE (VarNameSize);\r
+ CopyMem (\r
+ (UINT8 *) ((UINTN) NextVariable + VarDataOffset),\r
+ Data,\r
+ DataSize\r
+ );\r
+ CopyMem (&NextVariable->VendorGuid, VendorGuid, sizeof (EFI_GUID));\r
+ //\r
+ // There will be pad bytes after Data, the NextVariable->NameSize and\r
+ // NextVariable->DataSize should not include pad size so that variable\r
+ // service can get actual size in GetVariable\r
+ //\r
+ NextVariable->NameSize = (UINT32)VarNameSize;\r
+ NextVariable->DataSize = (UINT32)DataSize;\r
+\r
+ //\r
+ // The actual size of the variable that stores in storage should\r
+ // include pad size.\r
+ //\r
+ VarSize = VarDataOffset + DataSize + GET_PAD_SIZE (DataSize);\r
+ if (Attributes & EFI_VARIABLE_NON_VOLATILE) {\r
+ if ((UINT32) (VarSize +*NonVolatileOffset) >\r
+ ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->NonVolatileVariableBase)))->Size\r
+ ) {\r
+ if (EfiAtRuntime ()) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+ //\r
+ // Perform garbage collection & reclaim operation\r
+ //\r
+ Status = Reclaim (Global->NonVolatileVariableBase, NonVolatileOffset, FALSE);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // If still no enough space, return out of resources\r
+ //\r
+ if ((UINT32) (VarSize +*NonVolatileOffset) >\r
+ ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->NonVolatileVariableBase)))->Size\r
+ ) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+\r
+ Reclaimed = TRUE;\r
+ }\r
+ //\r
+ // Three steps\r
+ // 1. Write variable header\r
+ // 2. Write variable data\r
+ // 3. Set variable state to valid\r
+ //\r
+ //\r
+ // Step 1:\r
+ //\r
+ Status = UpdateVariableStore (\r
+ Global,\r
+ FALSE,\r
+ TRUE,\r
+ Instance,\r
+ *NonVolatileOffset,\r
+ sizeof (VARIABLE_HEADER),\r
+ (UINT8 *) NextVariable\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // Step 2:\r
+ //\r
+ Status = UpdateVariableStore (\r
+ Global,\r
+ FALSE,\r
+ TRUE,\r
+ Instance,\r
+ *NonVolatileOffset + sizeof (VARIABLE_HEADER),\r
+ (UINT32) VarSize - sizeof (VARIABLE_HEADER),\r
+ (UINT8 *) NextVariable + sizeof (VARIABLE_HEADER)\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // Step 3:\r
+ //\r
+ NextVariable->State = VAR_ADDED;\r
+ Status = UpdateVariableStore (\r
+ Global,\r
+ FALSE,\r
+ TRUE,\r
+ Instance,\r
+ *NonVolatileOffset,\r
+ sizeof (VARIABLE_HEADER),\r
+ (UINT8 *) NextVariable\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ *NonVolatileOffset = *NonVolatileOffset + VarSize;\r
+\r
+ } else {\r
+ if (EfiAtRuntime ()) {\r
+ Status = EFI_INVALID_PARAMETER;\r
+ goto Done;\r
+ }\r
+\r
+ if ((UINT32) (VarSize +*VolatileOffset) >\r
+ ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->VolatileVariableBase)))->Size\r
+ ) {\r
+ //\r
+ // Perform garbage collection & reclaim operation\r
+ //\r
+ Status = Reclaim (Global->VolatileVariableBase, VolatileOffset, TRUE);\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ //\r
+ // If still no enough space, return out of resources\r
+ //\r
+ if ((UINT32) (VarSize +*VolatileOffset) >\r
+ ((VARIABLE_STORE_HEADER *) ((UINTN) (Global->VolatileVariableBase)))->Size\r
+ ) {\r
+ Status = EFI_OUT_OF_RESOURCES;\r
+ goto Done;\r
+ }\r
+\r
+ Reclaimed = TRUE;\r
+ }\r
+\r
+ NextVariable->State = VAR_ADDED;\r
+ Status = UpdateVariableStore (\r
+ Global,\r
+ TRUE,\r
+ TRUE,\r
+ Instance,\r
+ *VolatileOffset,\r
+ (UINT32) VarSize,\r
+ (UINT8 *) NextVariable\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+\r
+ *VolatileOffset = *VolatileOffset + VarSize;\r
+ }\r
+ //\r
+ // Mark the old variable as deleted\r
+ //\r
+ if (!Reclaimed && !EFI_ERROR (Status) && Variable.CurrPtr != NULL) {\r
+ State = Variable.CurrPtr->State;\r
+ State &= VAR_DELETED;\r
+\r
+ Status = UpdateVariableStore (\r
+ Global,\r
+ Variable.Volatile,\r
+ FALSE,\r
+ Instance,\r
+ (UINTN) &Variable.CurrPtr->State,\r
+ sizeof (UINT8),\r
+ &State\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ goto Done;\r
+ }\r
+ }\r
+ }\r
+\r
+ Status = EFI_SUCCESS;\r
+Done:\r
+ ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);\r
+ return Status;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+QueryVariableInfo (\r
+ IN UINT32 Attributes,\r
+ OUT UINT64 *MaximumVariableStorageSize,\r
+ OUT UINT64 *RemainingVariableStorageSize,\r
+ OUT UINT64 *MaximumVariableSize,\r
+ IN VARIABLE_GLOBAL *Global,\r
+ IN UINT32 Instance\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ This code returns information about the EFI variables.\r
+\r
+Arguments:\r
+\r
+ Attributes Attributes bitmask to specify the type of variables\r
+ on which to return information.\r
+ MaximumVariableStorageSize Pointer to the maximum size of the storage space available\r
+ for the EFI variables associated with the attributes specified.\r
+ RemainingVariableStorageSize Pointer to the remaining size of the storage space available\r
+ for the EFI variables associated with the attributes specified.\r
+ MaximumVariableSize Pointer to the maximum size of the individual EFI variables\r
+ associated with the attributes specified.\r
+ Global Pointer to VARIABLE_GLOBAL structure.\r
+ Instance Instance of the Firmware Volume.\r
+\r
+Returns:\r
+\r
+ EFI STATUS\r
+ EFI_INVALID_PARAMETER - An invalid combination of attribute bits was supplied.\r
+ EFI_SUCCESS - Query successfully.\r
+ EFI_UNSUPPORTED - The attribute is not supported on this platform.\r
+\r
+--*/\r
+{\r
+ VARIABLE_HEADER *Variable;\r
+ VARIABLE_HEADER *NextVariable;\r
+ UINT64 VariableSize;\r
+ VARIABLE_STORE_HEADER *VariableStoreHeader;\r
+\r
+ if(MaximumVariableStorageSize == NULL || RemainingVariableStorageSize == NULL || MaximumVariableSize == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ if((Attributes & (EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS)) == 0) {\r
+ //\r
+ // Make sure the Attributes combination is supported by the platform.\r
+ //\r
+ return EFI_UNSUPPORTED;\r
+ } else if ((Attributes & (EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS)) == EFI_VARIABLE_RUNTIME_ACCESS) {\r
+ //\r
+ // Make sure if runtime bit is set, boot service bit is set also.\r
+ //\r
+ return EFI_INVALID_PARAMETER;\r
+ } else if (EfiAtRuntime () && !(Attributes & EFI_VARIABLE_RUNTIME_ACCESS)) {\r
+ //\r
+ // Make sure RT Attribute is set if we are in Runtime phase.\r
+ //\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ AcquireLockOnlyAtBootTime(&Global->VariableServicesLock);\r
+\r
+ if((Attributes & EFI_VARIABLE_NON_VOLATILE) == 0) {\r
+ //\r
+ // Query is Volatile related.\r
+ //\r
+ VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->VolatileVariableBase);\r
+ } else {\r
+ //\r
+ // Query is Non-Volatile related.\r
+ //\r
+ VariableStoreHeader = (VARIABLE_STORE_HEADER *) ((UINTN) Global->NonVolatileVariableBase);\r
+ }\r
+\r
+ //\r
+ // Now let's fill *MaximumVariableStorageSize *RemainingVariableStorageSize\r
+ // with the storage size (excluding the storage header size).\r
+ //\r
+ *MaximumVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);\r
+ *RemainingVariableStorageSize = VariableStoreHeader->Size - sizeof (VARIABLE_STORE_HEADER);\r
+\r
+ //\r
+ // Let *MaximumVariableSize be MAX_VARIABLE_SIZE.\r
+ //\r
+ *MaximumVariableSize = MAX_VARIABLE_SIZE;\r
+\r
+ //\r
+ // Point to the starting address of the variables.\r
+ //\r
+ Variable = (VARIABLE_HEADER *) (VariableStoreHeader + 1);\r
+\r
+ //\r
+ // Now walk through the related variable store.\r
+ //\r
+ while (IsValidVariableHeader (Variable) && (Variable < GetEndPointer (VariableStoreHeader))) {\r
+ NextVariable = GetNextVariablePtr (Variable);\r
+ VariableSize = (UINT64) (UINTN) NextVariable - (UINT64) (UINTN) Variable;\r
+\r
+ if (EfiAtRuntime ()) {\r
+ //\r
+ // we don't take the state of the variables in mind\r
+ // when calculating RemainingVariableStorageSize,\r
+ // since the space occupied by variables not marked with\r
+ // VAR_ADDED is not allowed to be reclaimed in Runtime.\r
+ //\r
+ *RemainingVariableStorageSize -= VariableSize;\r
+ } else {\r
+ //\r
+ // Only care about Variables with State VAR_ADDED,because\r
+ // the space not marked as VAR_ADDED is reclaimable now.\r
+ //\r
+ if (Variable->State == VAR_ADDED) {\r
+ *RemainingVariableStorageSize -= VariableSize;\r
+ }\r
+ }\r
+\r
+ //\r
+ // Go to the next one\r
+ //\r
+ Variable = NextVariable;\r
+ }\r
+\r
+ ReleaseLockOnlyAtBootTime (&Global->VariableServicesLock);\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VariableCommonInitialize (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+ This function does common initialization for variable services\r
+\r
+Arguments:\r
+\r
+ ImageHandle - The firmware allocated handle for the EFI image.\r
+ SystemTable - A pointer to the EFI System Table.\r
+\r
+Returns:\r
+\r
+ Status code.\r
+\r
+ EFI_NOT_FOUND - Variable store area not found.\r
+ EFI_UNSUPPORTED - Currently only one non-volatile variable store is supported.\r
+ EFI_SUCCESS - Variable services successfully initialized.\r
+\r
+--*/\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r
+ CHAR8 *CurrPtr;\r
+ VARIABLE_STORE_HEADER *VolatileVariableStore;\r
+ VARIABLE_STORE_HEADER *VariableStoreHeader;\r
+ VARIABLE_HEADER *NextVariable;\r
+ UINT32 Instance;\r
+ EFI_PHYSICAL_ADDRESS FvVolHdr;\r
+\r
+ UINT64 TempVariableStoreHeader;\r
+\r
+ EFI_GCD_MEMORY_SPACE_DESCRIPTOR GcdDescriptor;\r
+ EFI_FLASH_SUBAREA_ENTRY VariableStoreEntry;\r
+ UINT64 BaseAddress;\r
+ UINT64 Length;\r
+ UINTN Index;\r
+ UINT8 Data;\r
+\r
+ mVariableModuleGlobal = AllocateRuntimePool (sizeof (ESAL_VARIABLE_GLOBAL));\r
+ if (mVariableModuleGlobal == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ EfiInitializeLock(&mVariableModuleGlobal->VariableGlobal[Physical].VariableServicesLock, TPL_NOTIFY);\r
+\r
+ //\r
+ // Allocate memory for volatile variable store\r
+ //\r
+ VolatileVariableStore = AllocateRuntimePool (VARIABLE_STORE_SIZE + SCRATCH_SIZE);\r
+ if (VolatileVariableStore == NULL) {\r
+ FreePool (mVariableModuleGlobal);\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ SetMem (VolatileVariableStore, VARIABLE_STORE_SIZE + SCRATCH_SIZE, 0xff);\r
+\r
+ //\r
+ // Variable Specific Data\r
+ //\r
+ mVariableModuleGlobal->VariableGlobal[Physical].VolatileVariableBase = (EFI_PHYSICAL_ADDRESS) (UINTN) VolatileVariableStore;\r
+ mVariableModuleGlobal->VolatileLastVariableOffset = sizeof (VARIABLE_STORE_HEADER);\r
+\r
+ VolatileVariableStore->Signature = VARIABLE_STORE_SIGNATURE;\r
+ VolatileVariableStore->Size = VARIABLE_STORE_SIZE;\r
+ VolatileVariableStore->Format = VARIABLE_STORE_FORMATTED;\r
+ VolatileVariableStore->State = VARIABLE_STORE_HEALTHY;\r
+ VolatileVariableStore->Reserved = 0;\r
+ VolatileVariableStore->Reserved1 = 0;\r
+\r
+ //\r
+ // Get non volatile varaible store\r
+ //\r
+\r
+ TempVariableStoreHeader = (UINT64) PcdGet32 (PcdFlashNvStorageVariableBase);\r
+ VariableStoreEntry.Base = TempVariableStoreHeader + \\r
+ (((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (TempVariableStoreHeader)) -> HeaderLength);\r
+ VariableStoreEntry.Length = (UINT64) PcdGet32 (PcdFlashNvStorageVariableSize) - \\r
+ (((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) (TempVariableStoreHeader)) -> HeaderLength);\r
+ //\r
+ // Mark the variable storage region of the FLASH as RUNTIME\r
+ //\r
+ BaseAddress = VariableStoreEntry.Base & (~EFI_PAGE_MASK);\r
+ Length = VariableStoreEntry.Length + (VariableStoreEntry.Base - BaseAddress);\r
+ Length = (Length + EFI_PAGE_SIZE - 1) & (~EFI_PAGE_MASK);\r
+\r
+ Status = gDS->GetMemorySpaceDescriptor (BaseAddress, &GcdDescriptor);\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (mVariableModuleGlobal);\r
+ FreePool (VolatileVariableStore);\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ Status = gDS->SetMemorySpaceAttributes (\r
+ BaseAddress,\r
+ Length,\r
+ GcdDescriptor.Attributes | EFI_MEMORY_RUNTIME\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (mVariableModuleGlobal);\r
+ FreePool (VolatileVariableStore);\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+ //\r
+ // Get address of non volatile variable store base\r
+ //\r
+ mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase = VariableStoreEntry.Base;\r
+\r
+ //\r
+ // Check Integrity\r
+ //\r
+ //\r
+ // Find the Correct Instance of the FV Block Service.\r
+ //\r
+ Instance = 0;\r
+ CurrPtr = (CHAR8 *) ((UINTN) mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase);\r
+ while (EfiFvbGetPhysicalAddress (Instance, &FvVolHdr) == EFI_SUCCESS) {\r
+ FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvVolHdr);\r
+ if (CurrPtr >= (CHAR8 *) FwVolHeader && CurrPtr < (((CHAR8 *) FwVolHeader) + FwVolHeader->FvLength)) {\r
+ mVariableModuleGlobal->FvbInstance = Instance;\r
+ break;\r
+ }\r
+\r
+ Instance++;\r
+ }\r
+\r
+ VariableStoreHeader = (VARIABLE_STORE_HEADER *) CurrPtr;\r
+ if (GetVariableStoreStatus (VariableStoreHeader) == EfiValid) {\r
+ if (~VariableStoreHeader->Size == 0) {\r
+ Status = UpdateVariableStore (\r
+ &mVariableModuleGlobal->VariableGlobal[Physical],\r
+ FALSE,\r
+ FALSE,\r
+ mVariableModuleGlobal->FvbInstance,\r
+ (UINTN) &VariableStoreHeader->Size,\r
+ sizeof (UINT32),\r
+ (UINT8 *) &VariableStoreEntry.Length\r
+ );\r
+ //\r
+ // As Variables are stored in NV storage, which are slow devices,such as flash.\r
+ // Variable operation may skip checking variable program result to improve performance,\r
+ // We can assume Variable program is OK through some check point.\r
+ // Variable Store Size Setting should be the first Variable write operation,\r
+ // We can assume all Read/Write is OK if we can set Variable store size successfully.\r
+ // If write fail, we will assert here\r
+ //\r
+ ASSERT(VariableStoreHeader->Size == VariableStoreEntry.Length);\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ }\r
+\r
+ mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase = (EFI_PHYSICAL_ADDRESS) ((UINTN) CurrPtr);\r
+ //\r
+ // Parse non-volatile variable data and get last variable offset\r
+ //\r
+ NextVariable = (VARIABLE_HEADER *) (CurrPtr + sizeof (VARIABLE_STORE_HEADER));\r
+ Status = EFI_SUCCESS;\r
+\r
+ while (IsValidVariableHeader (NextVariable)) {\r
+ NextVariable = GetNextVariablePtr (NextVariable);\r
+ }\r
+\r
+ mVariableModuleGlobal->NonVolatileLastVariableOffset = (UINTN) NextVariable - (UINTN) CurrPtr;\r
+\r
+ //\r
+ // Check if the free area is blow a threshold\r
+ //\r
+ if ((((VARIABLE_STORE_HEADER *)((UINTN) CurrPtr))->Size - mVariableModuleGlobal->NonVolatileLastVariableOffset) < VARIABLE_RECLAIM_THRESHOLD) {\r
+ Status = Reclaim (\r
+ mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase,\r
+ &mVariableModuleGlobal->NonVolatileLastVariableOffset,\r
+ FALSE\r
+ );\r
+ }\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (mVariableModuleGlobal);\r
+ FreePool (VolatileVariableStore);\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Check if the free area is really free.\r
+ //\r
+ for (Index = mVariableModuleGlobal->NonVolatileLastVariableOffset; Index < VariableStoreHeader->Size; Index++) {\r
+ Data = ((UINT8 *) (UINTN) mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase)[Index];\r
+ if (Data != 0xff) {\r
+ //\r
+ // There must be something wrong in variable store, do reclaim operation.\r
+ //\r
+ Status = Reclaim (\r
+ mVariableModuleGlobal->VariableGlobal[Physical].NonVolatileVariableBase,\r
+ &mVariableModuleGlobal->NonVolatileLastVariableOffset,\r
+ FALSE\r
+ );\r
+ break;\r
+ }\r
+ }\r
+ }\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ FreePool (mVariableModuleGlobal);\r
+ FreePool (VolatileVariableStore);\r
+ }\r
+\r
+ return Status;\r
+}\r
--- /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
+ Ia32Variable.dxs\r
+\r
+Abstract:\r
+\r
+ Dependency expression source file.\r
+ \r
+--*/ \r
+//\r
+// Include common header file for this module.\r
+//\r
+#include "CommonHeader.h"\r
+\r
+#include <DxeDepex.h>\r
+\r
+DEPENDENCY_START\r
+ EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL_GUID AND\r
+ EFI_ALTERNATE_FV_BLOCK_GUID AND\r
+ EFI_FTW_LITE_PROTOCOL_GUID\r
+DEPENDENCY_END\r
--- /dev/null
+/*++\r
+\r
+Copyright (c) 2006 - 2007, 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
+ Variable.h\r
+\r
+Abstract:\r
+\r
+--*/\r
+\r
+#ifndef _VARIABLE_H\r
+#define _VARIABLE_H\r
+\r
+//\r
+// Include common header file for this module.\r
+//\r
+#include "CommonHeader.h"\r
+\r
+//\r
+// Statements that include other header files\r
+//\r
+\r
+//\r
+// BugBug: We need relcate the head file.\r
+//\r
+#include <Common/Variable.h>\r
+\r
+#define VARIABLE_RECLAIM_THRESHOLD (1024)\r
+\r
+#define VARIABLE_STORE_SIZE (64 * 1024)\r
+#define SCRATCH_SIZE (4 * 1024)\r
+\r
+//\r
+// Define GET_PAD_SIZE to optimize compiler\r
+//\r
+#if ((ALIGNMENT == 0) || (ALIGNMENT == 1))\r
+#define GET_PAD_SIZE(a) (0)\r
+#else\r
+#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))\r
+#endif\r
+\r
+#define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER))\r
+\r
+typedef enum {\r
+ Physical,\r
+ Virtual\r
+} VARIABLE_POINTER_TYPE;\r
+\r
+typedef struct {\r
+ VARIABLE_HEADER *CurrPtr;\r
+ VARIABLE_HEADER *EndPtr;\r
+ VARIABLE_HEADER *StartPtr;\r
+ BOOLEAN Volatile;\r
+} VARIABLE_POINTER_TRACK;\r
+\r
+typedef struct {\r
+ EFI_PHYSICAL_ADDRESS VolatileVariableBase;\r
+ EFI_PHYSICAL_ADDRESS NonVolatileVariableBase;\r
+ EFI_LOCK VariableServicesLock;\r
+} VARIABLE_GLOBAL;\r
+\r
+typedef struct {\r
+ VARIABLE_GLOBAL VariableGlobal[2];\r
+ UINTN VolatileLastVariableOffset;\r
+ UINTN NonVolatileLastVariableOffset;\r
+ UINT32 FvbInstance;\r
+} ESAL_VARIABLE_GLOBAL;\r
+\r
+extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;\r
+\r
+//\r
+// Functions\r
+//\r
+EFI_STATUS\r
+EFIAPI\r
+VariableCommonInitialize (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+VariableServiceInitialize (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
+ )\r
+;\r
+\r
+VOID\r
+EFIAPI\r
+VariableClassAddressChangeEvent (\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
+ )\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+GetVariable (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID * VendorGuid,\r
+ OUT UINT32 *Attributes OPTIONAL,\r
+ IN OUT UINTN *DataSize,\r
+ OUT VOID *Data,\r
+ IN VARIABLE_GLOBAL * Global,\r
+ IN UINT32 Instance\r
+ )\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+GetNextVariableName (\r
+ IN OUT UINTN *VariableNameSize,\r
+ IN OUT CHAR16 *VariableName,\r
+ IN OUT EFI_GUID *VendorGuid,\r
+ IN VARIABLE_GLOBAL *Global,\r
+ IN UINT32 Instance\r
+ )\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+SetVariable (\r
+ IN CHAR16 *VariableName,\r
+ IN EFI_GUID *VendorGuid,\r
+ IN UINT32 Attributes,\r
+ IN UINTN DataSize,\r
+ IN VOID *Data,\r
+ IN VARIABLE_GLOBAL *Global,\r
+ IN UINTN *VolatileOffset,\r
+ IN UINTN *NonVolatileOffset,\r
+ IN UINT32 Instance\r
+ )\r
+;\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+QueryVariableInfo (\r
+ IN UINT32 Attributes,\r
+ OUT UINT64 *MaximumVariableStorageSize,\r
+ OUT UINT64 *RemainingVariableStorageSize,\r
+ OUT UINT64 *MaximumVariableSize,\r
+ IN VARIABLE_GLOBAL *Global,\r
+ IN UINT32 Instance\r
+ )\r
+;\r
+\r
+#endif\r
--- /dev/null
+#/** @file\r
+# Component description file for Variable module.\r
+#\r
+# This module installs three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName.\r
+# Copyright (c) 2006 - 2007, Intel Corporation\r
+#\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
+# 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
+#\r
+#**/\r
+\r
+################################################################################\r
+#\r
+# Defines Section - statements that will be processed to create a Makefile.\r
+#\r
+################################################################################\r
+[Defines]\r
+ INF_VERSION = 0x00010005\r
+ BASE_NAME = Variable\r
+ FILE_GUID = CBD2E4D5-7068-4FF5-B462-9822B4AD8D60\r
+ MODULE_TYPE = DXE_RUNTIME_DRIVER\r
+ VERSION_STRING = 1.0\r
+ EDK_RELEASE_VERSION = 0x00020000\r
+ EFI_SPECIFICATION_VERSION = 0x00020000\r
+\r
+ ENTRY_POINT = VariableServiceInitialize\r
+\r
+#\r
+# The following information is for reference only and not required by the build tools.\r
+#\r
+# VALID_ARCHITECTURES = IA32 X64\r
+#\r
+# VIRTUAL_ADDRESS_MAP_CALLBACK = VariableClassAddressChangeEvent\r
+#\r
+\r
+################################################################################\r
+#\r
+# Sources Section - list of files that are required for the build to succeed.\r
+#\r
+################################################################################\r
+\r
+[Sources.common]\r
+ Variable.dxs\r
+ InitVariable.c\r
+ reclaim.c\r
+ reclaim.h\r
+ Variable.c\r
+ Variable.h\r
+ CommonHeader.h\r
+\r
+\r
+################################################################################\r
+#\r
+# Includes Section - list of Include locations that are required for\r
+# this module.\r
+#\r
+################################################################################\r
+\r
+[Includes]\r
+ $(WORKSPACE)/MdePkg/Include/Library\r
+\r
+################################################################################\r
+#\r
+# Package Dependency Section - list of Package files that are required for\r
+# this module.\r
+#\r
+################################################################################\r
+\r
+[Packages]\r
+ $(WORKSPACE)/IntelFrameworkPkg/IntelFrameworkPkg.dec\r
+ $(WORKSPACE)/MdePkg/MdePkg.dec\r
+ $(WORKSPACE)/MdeModulePkg/MdeModulePkg.dec\r
+\r
+################################################################################\r
+#\r
+# Library Class Section - list of Library Classes that are required for\r
+# this module.\r
+#\r
+################################################################################\r
+\r
+[LibraryClasses]\r
+ MemoryAllocationLib\r
+ BaseLib\r
+ UefiLib\r
+ UefiBootServicesTableLib\r
+ FvbServiceLib\r
+ BaseMemoryLib\r
+ DebugLib\r
+ UefiRuntimeLib\r
+ DxeServicesTableLib\r
+ UefiDriverEntryPoint\r
+ PcdLib\r
+\r
+\r
+################################################################################\r
+#\r
+# Protocol C Name Section - list of Protocol and Protocol Notify C Names\r
+# that this module uses or produces.\r
+#\r
+################################################################################\r
+\r
+[Protocols]\r
+ gEfiFirmwareVolumeBlockProtocolGuid # PROTOCOL SOMETIMES_CONSUMED\r
+ gEfiFaultTolerantWriteLiteProtocolGuid # PROTOCOL SOMETIMES_CONSUMED\r
+ gEfiVariableWriteArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED\r
+ gEfiVariableArchProtocolGuid # PROTOCOL ALWAYS_PRODUCED\r
+\r
+\r
+################################################################################\r
+#\r
+# Pcd DYNAMIC - list of PCDs that this module is coded for.\r
+#\r
+################################################################################\r
+\r
+[PcdsDynamic.common]\r
+ PcdFlashNvStorageVariableSize|gEfiGenericPlatformTokenSpaceGuid\r
+ PcdFlashNvStorageVariableBase|gEfiGenericPlatformTokenSpaceGuid\r
+\r
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>\r
+<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">\r
+ <MsaHeader>\r
+ <ModuleName>Variable</ModuleName>\r
+ <ModuleType>DXE_RUNTIME_DRIVER</ModuleType>\r
+ <GuidValue>CBD2E4D5-7068-4FF5-B462-9822B4AD8D60</GuidValue>\r
+ <Version>1.0</Version>\r
+ <Abstract>Component description file for Variable module.</Abstract>\r
+ <Description>This module installs three EFI_RUNTIME_SERVICES: SetVariable, GetVariable, GetNextVariableName.</Description>\r
+ <Copyright>Copyright (c) 2006 - 2007, Intel Corporation</Copyright>\r
+ <License>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.</License>\r
+ <Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>\r
+ </MsaHeader>\r
+ <ModuleDefinitions>\r
+ <SupportedArchitectures>IA32 X64</SupportedArchitectures>\r
+ <BinaryModule>false</BinaryModule>\r
+ <OutputFileBasename>Variable</OutputFileBasename>\r
+ </ModuleDefinitions>\r
+ <LibraryClassDefinitions>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>PcdLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>UefiDriverEntryPoint</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>DxeServicesTableLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>UefiRuntimeLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>DebugLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>BaseMemoryLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>EdkFvbServiceLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>UefiBootServicesTableLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>UefiLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>BaseLib</Keyword>\r
+ </LibraryClass>\r
+ <LibraryClass Usage="ALWAYS_CONSUMED">\r
+ <Keyword>MemoryAllocationLib</Keyword>\r
+ </LibraryClass>\r
+ </LibraryClassDefinitions>\r
+ <SourceFiles>\r
+ <Filename>Variable.h</Filename>\r
+ <Filename>Variable.c</Filename>\r
+ <Filename>reclaim.h</Filename>\r
+ <Filename>reclaim.c</Filename>\r
+ <Filename>InitVariable.c</Filename>\r
+ <Filename>Variable.dxs</Filename>\r
+ </SourceFiles>\r
+ <PackageDependencies>\r
+ <Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>\r
+ <Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>\r
+ </PackageDependencies>\r
+ <Protocols>\r
+ <Protocol Usage="ALWAYS_PRODUCED">\r
+ <ProtocolCName>gEfiVariableArchProtocolGuid</ProtocolCName>\r
+ </Protocol>\r
+ <Protocol Usage="ALWAYS_PRODUCED">\r
+ <ProtocolCName>gEfiVariableWriteArchProtocolGuid</ProtocolCName>\r
+ </Protocol>\r
+ <Protocol Usage="SOMETIMES_CONSUMED">\r
+ <ProtocolCName>gEfiFaultTolerantWriteLiteProtocolGuid</ProtocolCName>\r
+ </Protocol>\r
+ <Protocol Usage="SOMETIMES_CONSUMED">\r
+ <ProtocolCName>gEfiFirmwareVolumeBlockProtocolGuid</ProtocolCName>\r
+ </Protocol>\r
+ </Protocols>\r
+ <Externs>\r
+ <Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>\r
+ <Specification>EDK_RELEASE_VERSION 0x00020000</Specification>\r
+ <Extern>\r
+ <ModuleEntryPoint>VariableServiceInitialize</ModuleEntryPoint>\r
+ </Extern>\r
+ <Extern>\r
+ <SetVirtualAddressMapCallBack>VariableClassAddressChangeEvent</SetVirtualAddressMapCallBack>\r
+ </Extern>\r
+ </Externs>\r
+ <PcdCoded>\r
+ <PcdEntry PcdItemType="DYNAMIC">\r
+ <C_Name>PcdFlashNvStorageVariableBase</C_Name>\r
+ <TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>\r
+ <HelpText>The driver gets the Variable store base address from this PCD. This base address point to
+ an EFI_FIRMWARE_VOLUMN_HEADER struct.</HelpText>\r
+ </PcdEntry>\r
+ <PcdEntry PcdItemType="DYNAMIC">\r
+ <C_Name>PcdFlashNvStorageVariableSize</C_Name>\r
+ <TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>\r
+ <HelpText>The driver gets the NvStorage Variable Size from this PCD.</HelpText>\r
+ </PcdEntry>\r
+ </PcdCoded>\r
+</ModuleSurfaceArea>
\ No newline at end of file
--- /dev/null
+/*++\r
+\r
+Copyright (c) 2006 - 2007, 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
+ reclaim.c\r
+\r
+Abstract:\r
+\r
+ Handles non-volatile variable store garbage collection, using FTW\r
+ (Fault Tolerant Write) protocol.\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+\r
+#include "reclaim.h"\r
+#include "Common/Variable.h"\r
+\r
+EFI_STATUS\r
+GetFvbHandleByAddress (\r
+ IN EFI_PHYSICAL_ADDRESS Address,\r
+ OUT EFI_HANDLE *FvbHandle\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE *HandleBuffer;\r
+ UINTN HandleCount;\r
+ UINTN Index;\r
+ EFI_PHYSICAL_ADDRESS FvbBaseAddress;\r
+ EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;\r
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r
+\r
+ *FvbHandle = NULL;\r
+ //\r
+ // Locate all handles of Fvb protocol\r
+ //\r
+ Status = gBS->LocateHandleBuffer (\r
+ ByProtocol,\r
+ &gEfiFirmwareVolumeBlockProtocolGuid,\r
+ NULL,\r
+ &HandleCount,\r
+ &HandleBuffer\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ //\r
+ // Get the FVB to access variable store\r
+ //\r
+ for (Index = 0; Index < HandleCount; Index += 1) {\r
+ Status = gBS->HandleProtocol (\r
+ HandleBuffer[Index],\r
+ &gEfiFirmwareVolumeBlockProtocolGuid,\r
+ (VOID **) &Fvb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ Status = EFI_NOT_FOUND;\r
+ break;\r
+ }\r
+ //\r
+ // Compare the address and select the right one\r
+ //\r
+ Status = Fvb->GetPhysicalAddress (Fvb, &FvbBaseAddress);\r
+ if (EFI_ERROR (Status)) {\r
+ continue;\r
+ }\r
+\r
+ FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvbBaseAddress);\r
+ if ((Address >= FvbBaseAddress) && (Address <= (FvbBaseAddress + FwVolHeader->FvLength))) {\r
+ *FvbHandle = HandleBuffer[Index];\r
+ Status = EFI_SUCCESS;\r
+ break;\r
+ }\r
+ }\r
+\r
+ FreePool (HandleBuffer);\r
+ return Status;\r
+}\r
+\r
+STATIC\r
+EFI_STATUS\r
+GetLbaAndOffsetByAddress (\r
+ IN EFI_PHYSICAL_ADDRESS Address,\r
+ OUT EFI_LBA *Lba,\r
+ OUT UINTN *Offset\r
+ )\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE FvbHandle;\r
+ EFI_PHYSICAL_ADDRESS FvbBaseAddress;\r
+ EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;\r
+ FRAMEWORK_EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r
+ EFI_FV_BLOCK_MAP_ENTRY *FvbMapEntry;\r
+ UINT32 LbaIndex;\r
+\r
+ *Lba = (EFI_LBA) (-1);\r
+ *Offset = 0;\r
+\r
+ //\r
+ // Get the proper FVB\r
+ //\r
+ Status = GetFvbHandleByAddress (Address, &FvbHandle);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ Status = gBS->HandleProtocol (\r
+ FvbHandle,\r
+ &gEfiFirmwareVolumeBlockProtocolGuid,\r
+ (VOID **) &Fvb\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Get the Base Address of FV\r
+ //\r
+ Status = Fvb->GetPhysicalAddress (Fvb, &FvbBaseAddress);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ FwVolHeader = (FRAMEWORK_EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvbBaseAddress);\r
+\r
+ //\r
+ // Get the (LBA, Offset) of Address\r
+ //\r
+ if ((Address >= FvbBaseAddress) && (Address <= (FvbBaseAddress + FwVolHeader->FvLength))) {\r
+ if ((FwVolHeader->FvLength) > (FwVolHeader->HeaderLength)) {\r
+ //\r
+ // BUGBUG: Assume one FV has one type of BlockLength\r
+ //\r
+ FvbMapEntry = &FwVolHeader->FvBlockMap[0];\r
+ for (LbaIndex = 1; LbaIndex <= FvbMapEntry->NumBlocks; LbaIndex += 1) {\r
+ if (Address < (FvbBaseAddress + FvbMapEntry->Length * LbaIndex)) {\r
+ //\r
+ // Found the (Lba, Offset)\r
+ //\r
+ *Lba = LbaIndex - 1;\r
+ *Offset = (UINTN) (Address - (FvbBaseAddress + FvbMapEntry->Length * (LbaIndex - 1)));\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+ }\r
+\r
+ return EFI_ABORTED;\r
+}\r
+\r
+EFI_STATUS\r
+FtwVariableSpace (\r
+ IN EFI_PHYSICAL_ADDRESS VariableBase,\r
+ IN UINT8 *Buffer,\r
+ IN UINTN BufferSize\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+ Write a buffer to Variable space, in the working block.\r
+\r
+Arguments:\r
+ FvbHandle - Indicates a handle to FVB to access variable store\r
+ Buffer - Point to the input buffer\r
+ BufferSize - The number of bytes of the input Buffer\r
+\r
+Returns:\r
+ EFI_SUCCESS - The function completed successfully\r
+ EFI_ABORTED - The function could not complete successfully\r
+ EFI_NOT_FOUND - Locate FVB protocol by handle fails\r
+\r
+--*/\r
+{\r
+ EFI_STATUS Status;\r
+ EFI_HANDLE FvbHandle;\r
+ EFI_FTW_LITE_PROTOCOL *FtwLiteProtocol;\r
+ EFI_LBA VarLba;\r
+ UINTN VarOffset;\r
+ UINT8 *FtwBuffer;\r
+ UINTN FtwBufferSize;\r
+\r
+ //\r
+ // Locate fault tolerant write protocol\r
+ //\r
+ Status = gBS->LocateProtocol (\r
+ &gEfiFaultTolerantWriteLiteProtocolGuid,\r
+ NULL,\r
+ (VOID **) &FtwLiteProtocol\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ //\r
+ // Locate Fvb handle by address\r
+ //\r
+ Status = GetFvbHandleByAddress (VariableBase, &FvbHandle);\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ //\r
+ // Get LBA and Offset by address\r
+ //\r
+ Status = GetLbaAndOffsetByAddress (VariableBase, &VarLba, &VarOffset);\r
+ if (EFI_ERROR (Status)) {\r
+ return EFI_ABORTED;\r
+ }\r
+ //\r
+ // Prepare for the variable data\r
+ //\r
+ FtwBufferSize = ((VARIABLE_STORE_HEADER *) ((UINTN) VariableBase))->Size;\r
+ FtwBuffer = AllocateRuntimePool (FtwBufferSize);\r
+ if (FtwBuffer == NULL) {\r
+ return EFI_OUT_OF_RESOURCES;\r
+ }\r
+\r
+ SetMem (FtwBuffer, FtwBufferSize, (UINT8) 0xff);\r
+ CopyMem (FtwBuffer, Buffer, BufferSize);\r
+\r
+ //\r
+ // FTW write record\r
+ //\r
+ Status = FtwLiteProtocol->Write (\r
+ FtwLiteProtocol,\r
+ FvbHandle,\r
+ VarLba, // LBA\r
+ VarOffset, // Offset\r
+ &FtwBufferSize, // NumBytes,\r
+ FtwBuffer\r
+ );\r
+\r
+ FreePool (FtwBuffer);\r
+ return Status;\r
+}\r
--- /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
+ reclaim.h\r
+\r
+Abstract:\r
+\r
+ Definitions for non-volatile variable store garbage collection\r
+\r
+Revision History\r
+\r
+--*/\r
+\r
+#ifndef _VAR_RECLAIM_H\r
+#define _VAR_RECLAIM_H\r
+\r
+//\r
+// Include common header file for this module.\r
+//\r
+#include "CommonHeader.h"\r
+\r
+//\r
+// Functions\r
+//\r
+EFI_STATUS\r
+GetFvbHandleByAddress (\r
+ IN EFI_PHYSICAL_ADDRESS VariableStoreBase,\r
+ OUT EFI_HANDLE *FvbHandle\r
+ )\r
+;\r
+\r
+EFI_STATUS\r
+FtwVariableSpace (\r
+ IN EFI_PHYSICAL_ADDRESS VariableBaseAddress,\r
+ IN UINT8 *Buffer,\r
+ IN UINTN BufferSize\r
+ )\r
+;\r
+\r
+#endif\r
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