The OvmfXen platform specifies the dynamic access method for "PcdPciDisableBusEnumeration" needlessly. After the DSC file sets the PCD to TRUE by default, the InitializeXen() function in XenPlatformPei superfluously sets the PCD to TRUE again. There are no other writes to the PCD in the platform. Make the PCD Fixed-At-Build, and remove the access (in fact, the whole InitializeXen() function) from XenPlatformPei. Cc: Anthony Perard <anthony.perard@citrix.com> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Julien Grall <julien@xen.org> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=2122 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20210526201446.12554-20-lersek@redhat.com> Reviewed-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
104 lines
2.8 KiB
INI
104 lines
2.8 KiB
INI
## @file
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# Platform PEI driver
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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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# Copyright (c) 2019, Citrix Systems, Inc.
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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 = XenPlatformPei
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FILE_GUID = f112a6ee-993a-4f0b-8295-e52029d9b4ba
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MODULE_TYPE = PEIM
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VERSION_STRING = 1.0
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ENTRY_POINT = InitializeXenPlatform
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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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AmdSev.c
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ClearCache.c
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Cmos.c
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Cmos.h
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Fv.c
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MemDetect.c
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Platform.c
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Platform.h
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Xen.c
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Xen.h
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[Packages]
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MdePkg/MdePkg.dec
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MdeModulePkg/MdeModulePkg.dec
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SecurityPkg/SecurityPkg.dec
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UefiCpuPkg/UefiCpuPkg.dec
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OvmfPkg/OvmfPkg.dec
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[Guids]
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gEfiMemoryTypeInformationGuid
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gEfiXenInfoGuid
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[LibraryClasses]
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BaseLib
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CacheMaintenanceLib
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DebugLib
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HobLib
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IoLib
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LocalApicLib
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PciLib
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ResourcePublicationLib
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PeiServicesLib
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PeimEntryPoint
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MtrrLib
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MemEncryptSevLib
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PcdLib
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SafeIntLib
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XenHypercallLib
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[Pcd]
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageBase
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageSize
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gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId
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gUefiOvmfPkgTokenSpaceGuid.PcdPciIoBase
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gUefiOvmfPkgTokenSpaceGuid.PcdPciIoSize
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gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Base
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gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Size
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gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Base
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gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size
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gUefiOvmfPkgTokenSpaceGuid.PcdQ35TsegMbytes
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gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
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gEfiMdeModulePkgTokenSpaceGuid.PcdEmuVariableNvStoreReserved
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gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode
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gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable
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gEfiMdeModulePkgTokenSpaceGuid.PcdPteMemoryEncryptionAddressOrMask
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gEfiMdePkgTokenSpaceGuid.PcdFSBClock
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gEfiSecurityPkgTokenSpaceGuid.PcdOptionRomImageVerificationPolicy
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gUefiCpuPkgTokenSpaceGuid.PcdCpuLocalApicBaseAddress
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gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr
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gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize
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[FixedPcd]
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gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
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[Ppis]
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gEfiPeiMasterBootModePpiGuid
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gEfiPeiMpServicesPpiGuid
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[Depex]
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TRUE
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