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## @file
# Provides SMM variable service.
#
# This module installs SMM variable protocol into SMM protocol database,
# which can be used by SMM driver, and installs SMM variable protocol
# into BS protocol database, which can be used to notify the SMM Runtime
# Dxe driver that the SMM variable service is ready.
# This module should be used with SMM Runtime DXE module together. The
# SMM Runtime DXE module would install variable arch protocol and variable
# write arch protocol based on SMM variable module.
#
# Caution: This module requires additional review when modified.
# This driver will have external input - variable data and communicate buffer in SMM mode.
# This external input must be validated carefully to avoid security issues such as
# buffer overflow or integer overflow.
# The whole SMM authentication variable design relies on the integrity of flash part and SMM.
# which is assumed to be protected by platform. All variable code and metadata in flash/SMM Memory
# may not be modified without authorization. If platform fails to protect these resources,
# the authentication service provided in this driver will be broken, and the behavior is undefined.
#
# Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = VariableSmm
MODULE_UNI_FILE = VariableSmm.uni
FILE_GUID = 23A089B3-EED5-4ac5-B2AB-43E3298C2343
MODULE_TYPE = DXE_SMM_DRIVER
VERSION_STRING = 1.0
PI_SPECIFICATION_VERSION = 0x0001000A
ENTRY_POINT = VariableServiceInitialize
#
# The following information is for reference only and not required by the build tools.
#
# VALID_ARCHITECTURES = IA32 X64
#
[Sources]
Reclaim.c
Variable.c
VariableTraditionalMm.c
VariableSmm.c
VariableNonVolatile.c
VariableNonVolatile.h
VariableParsing.c
VariableParsing.h
VariableRuntimeCache.c
VariableRuntimeCache.h
VarCheck.c
Variable.h
PrivilegePolymorphic.h
VariableExLib.c
TcgMorLockSmm.c
SpeculationBarrierSmm.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
[LibraryClasses]
UefiDriverEntryPoint
MemoryAllocationLib
BaseLib
SynchronizationLib
UefiLib
MmServicesTableLib
BaseMemoryLib
DebugLib
DxeServicesTableLib
HobLib
PcdLib
SmmMemLib
AuthVariableLib
VarCheckLib
UefiBootServicesTableLib
[Protocols]
gEfiSmmFirmwareVolumeBlockProtocolGuid ## CONSUMES
## CONSUMES
## NOTIFY
gEfiSmmFaultTolerantWriteProtocolGuid
## PRODUCES
## UNDEFINED # SmiHandlerRegister
gEfiSmmVariableProtocolGuid
gEfiMmEndOfDxeProtocolGuid ## NOTIFY
gEdkiiSmmVarCheckProtocolGuid ## PRODUCES
gEfiTcgProtocolGuid ## SOMETIMES_CONSUMES
gEfiTcg2ProtocolGuid ## SOMETIMES_CONSUMES
[Guids]
## SOMETIMES_CONSUMES ## GUID # Signature of Variable store header
## SOMETIMES_PRODUCES ## GUID # Signature of Variable store header
## SOMETIMES_CONSUMES ## HOB
## SOMETIMES_PRODUCES ## SystemTable
gEfiAuthenticatedVariableGuid
## SOMETIMES_CONSUMES ## GUID # Signature of Variable store header
## SOMETIMES_PRODUCES ## GUID # Signature of Variable store header
## SOMETIMES_CONSUMES ## HOB
## SOMETIMES_PRODUCES ## SystemTable
gEfiVariableGuid
## SOMETIMES_CONSUMES ## Variable:L"PlatformLang"
## SOMETIMES_PRODUCES ## Variable:L"PlatformLang"
## SOMETIMES_CONSUMES ## Variable:L"Lang"
## SOMETIMES_PRODUCES ## Variable:L"Lang"
gEfiGlobalVariableGuid
gEfiMemoryOverwriteControlDataGuid ## SOMETIMES_CONSUMES ## Variable:L"MemoryOverwriteRequestControl"
gEfiMemoryOverwriteRequestControlLockGuid ## SOMETIMES_PRODUCES ## Variable:L"MemoryOverwriteRequestControlLock"
gSmmVariableWriteGuid ## PRODUCES ## GUID # Install protocol
gEfiSystemNvDataFvGuid ## CONSUMES ## GUID
gEdkiiFaultTolerantWriteGuid ## SOMETIMES_CONSUMES ## HOB
## SOMETIMES_CONSUMES ## Variable:L"VarErrorFlag"
## SOMETIMES_PRODUCES ## Variable:L"VarErrorFlag"
gEdkiiVarErrorFlagGuid
[Pcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase ## SOMETIMES_CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableBase64 ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVariableSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxAuthVariableSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxVolatileVariableSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxHardwareErrorVariableSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableStoreSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdHwErrStorageSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdMaxUserNvVariableSpaceSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdBoottimeReservedNvVariableSpaceSize ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdReclaimVariableSpaceAtEndOfDxe ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdEmuVariableNvModeEnable ## SOMETIMES_CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdEmuVariableNvStoreReserved ## SOMETIMES_CONSUMES
[FeaturePcd]
gEfiMdeModulePkgTokenSpaceGuid.PcdVariableCollectStatistics ## CONSUMES # statistic the information of variable.
gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultLangDeprecate ## CONSUMES # Auto update PlatformLang/Lang
[Depex]
TRUE
[UserExtensions.TianoCore."ExtraFiles"]
VariableSmmExtra.uni
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