c9e5618f84
In order to prevent memory corruption issues caused by the fact that, under virtualization, the guest is incoherent with the hypervisor's view of memory until it enables its caches and MMU, this patch reshuffles the init sequence so that the Xen shared memory regions are not touched before the caches and MMU are enabled. In addition, the loaded image itself is invalidated by virtual address, to ensure that any runtime changes (such as the applied relocations) will not suddenly become invisible once we turn the caches on. Contributed-under: TianoCore Contribution Agreement 1.0 Reviewed-by: Olivier Martin <Olivier.Martin@arm.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17178 6f19259b-4bc3-4df7-8a09-765794883524
110 lines
3.2 KiB
INI
Executable File
110 lines
3.2 KiB
INI
Executable File
#/** @file
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#
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# Copyright (c) 2011-2014, ARM Ltd. All rights reserved.<BR>
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# Copyright (c) 2015, Linaro Ltd. All rights reserved.<BR>
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#
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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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 = ArmVirtPrePiUniCoreRelocatable
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FILE_GUID = f7d9fd14-9335-4389-80c5-334d6abfcced
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MODULE_TYPE = SEC
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VALID_ARCHITECTURES = AARCH64
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VERSION_STRING = 1.0
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[Sources]
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PrePi.c
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[Sources.AArch64]
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AArch64/ArchPrePi.c
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AArch64/ModuleEntryPoint.S
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[Packages]
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MdePkg/MdePkg.dec
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MdeModulePkg/MdeModulePkg.dec
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EmbeddedPkg/EmbeddedPkg.dec
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ArmPkg/ArmPkg.dec
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ArmPlatformPkg/ArmPlatformPkg.dec
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ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationPkg.dec
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IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
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[LibraryClasses]
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BaseLib
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DebugLib
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ArmLib
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IoLib
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TimerLib
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SerialPortLib
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ExtractGuidedSectionLib
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LzmaDecompressLib
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PeCoffGetEntryPointLib
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PrePiLib
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ArmPlatformLib
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ArmPlatformStackLib
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MemoryAllocationLib
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HobLib
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PrePiHobListPointerLib
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PlatformPeiLib
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MemoryInitPeiLib
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CacheMaintenanceLib
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[Ppis]
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gArmMpCoreInfoPpiGuid
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[Guids]
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gArmGlobalVariableGuid
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gArmMpCoreInfoGuid
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[FeaturePcd]
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gEmbeddedTokenSpaceGuid.PcdPrePiProduceMemoryTypeInformationHob
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gArmPlatformTokenSpaceGuid.PcdSendSgiToBringUpSecondaryCores
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[FixedPcd]
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gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVersionString
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gArmTokenSpaceGuid.PcdVFPEnabled
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gArmTokenSpaceGuid.PcdFdSize
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gArmTokenSpaceGuid.PcdFvSize
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gArmPlatformTokenSpaceGuid.PcdCPUCorePrimaryStackSize
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gArmPlatformTokenSpaceGuid.PcdCPUCoreSecondaryStackSize
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gArmPlatformTokenSpaceGuid.PcdPeiGlobalVariableSize
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gArmPlatformTokenSpaceGuid.PcdSystemMemoryUefiRegionSize
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gArmPlatformTokenSpaceGuid.PcdCoreCount
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gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize
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gEmbeddedTokenSpaceGuid.PcdPrePiCpuIoSize
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIReclaimMemory
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIMemoryNVS
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiReservedMemoryType
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesData
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesCode
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesCode
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesData
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderCode
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gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderData
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[Pcd]
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gArmTokenSpaceGuid.PcdSystemMemoryBase
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gArmTokenSpaceGuid.PcdSystemMemorySize
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gArmVirtualizationTokenSpaceGuid.PcdDeviceTreeInitialBaseAddress
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gArmTokenSpaceGuid.PcdFdBaseAddress
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gArmTokenSpaceGuid.PcdFvBaseAddress
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[BuildOptions]
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GCC:*_*_AARCH64_DLINK_FLAGS = -pie -T $(MODULE_DIR)/Scripts/PrePi-PIE.lds
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