4f173db8b4
There are 3 functions added for EmuVariableNvStore: - PlatformReserveEmuVariableNvStore - PlatformInitEmuVariableNvStore - PlatformValidateNvVarStore PlatformReserveEmuVariableNvStore allocate storage for NV variables early on so it will be at a consistent address. PlatformInitEmuVariableNvStore copies the content in PcdOvmfFlashNvStorageVariableBase to the storage allocated by PlatformReserveEmuVariableNvStore. This is used in the case that OVMF is launched with -bios parameter. Because in that situation UEFI variables will be partially emulated, and non-volatile variables may lose their contents after a reboot. This makes the secure boot feature not working. PlatformValidateNvVarStore is renamed from TdxValidateCfv and it is used to validate the integrity of FlashNvVarStore (PcdOvmfFlashNvStorageVariableBase). It should be called before PlatformInitEmuVariableNvStore is called to copy over the content. Cc: Erdem Aktas <erdemaktas@google.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Min Xu <min.m.xu@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
105 lines
3.2 KiB
INI
105 lines
3.2 KiB
INI
## @file
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# Platform Initialization Lib
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#
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# This module provides platform specific function to detect boot mode.
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# Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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##
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[Defines]
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INF_VERSION = 0x00010005
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BASE_NAME = PlatformInitLib
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FILE_GUID = 89f886b0-7109-46e1-9d28-503ad4ab6ee0
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MODULE_TYPE = BASE
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VERSION_STRING = 1.0
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LIBRARY_CLASS = PlatformInitLib|SEC PEIM
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#
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# The following information is for reference only and not required by the build tools.
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#
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# VALID_ARCHITECTURES = IA32 X64 EBC
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#
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[Sources]
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Cmos.c
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MemDetect.c
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Platform.c
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[Sources.IA32]
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IntelTdxNull.c
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[Sources.X64]
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IntelTdx.c
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[Packages]
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EmbeddedPkg/EmbeddedPkg.dec
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MdeModulePkg/MdeModulePkg.dec
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MdePkg/MdePkg.dec
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OvmfPkg/OvmfPkg.dec
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UefiCpuPkg/UefiCpuPkg.dec
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[LibraryClasses]
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BaseLib
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DebugLib
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IoLib
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HobLib
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QemuFwCfgLib
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QemuFwCfgSimpleParserLib
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MemoryAllocationLib
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MtrrLib
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PcdLib
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PciLib
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PeiHardwareInfoLib
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[LibraryClasses.X64]
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TdxLib
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[Pcd]
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gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
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[FixedPcd]
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfWorkAreaBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfWorkAreaSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfCpuidBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfCpuidSize
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIMemoryNVS
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIReclaimMemory
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiReservedMemoryType
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesCode
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesData
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbBackupBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbBackupSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSnpSecretsBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSnpSecretsSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbPageTableBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbPageTableSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbSize
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gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
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gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageVariableSize
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gUefiCpuPkgTokenSpaceGuid.PcdCpuLocalApicBaseAddress
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gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr
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gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize
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gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress
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gUefiOvmfPkgTokenSpaceGuid.PcdGuidedExtractHandlerTableSize
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gUefiOvmfPkgTokenSpaceGuid.PcdTdxAcceptPageSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase
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gUefiOvmfPkgTokenSpaceGuid.PcdCfvRawDataSize
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[FeaturePcd]
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gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode
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