f9a8be423c
Quite non-intuitively, we must allow guest-side writes to emulated PCI MMIO regions to go through the CPU cache, otherwise QEMU, whose accesses always go through the cache, may see stale data in the region. This change makes no difference for QEMU/TCG, but it is important for QEMU/KVM, at the moment. Because gDS->SetMemorySpaceAttributes() is ultimately implemented by EFI_CPU_ARCH_PROTOCOL.SetMemoryAttributes() -- see "MdeModulePkg/Core/Dxe/Gcd/Gcd.c" and "ArmPkg/Drivers/CpuDxe/" -- we add the CPU architectural protocol to the module's DepEx. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16904 6f19259b-4bc3-4df7-8a09-765794883524
70 lines
2.1 KiB
INI
70 lines
2.1 KiB
INI
## @file
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# The basic interfaces implementation to a single segment PCI Host Bridge driver.
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#
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# Copyright (c) 2008 - 2014, Intel Corporation. All rights reserved.<BR>
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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 = PciHostBridge
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FILE_GUID = 9f609346-37cb-4eb7-801f-f55099373998
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MODULE_TYPE = DXE_DRIVER
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VERSION_STRING = 1.0
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ENTRY_POINT = InitializePciHostBridge
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[Packages]
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MdePkg/MdePkg.dec
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ArmPlatformPkg/ArmPlatformPkg.dec
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ArmPlatformPkg/ArmVirtualizationPkg/ArmVirtualizationPkg.dec
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[LibraryClasses]
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UefiDriverEntryPoint
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UefiBootServicesTableLib
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DxeServicesTableLib
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UefiLib
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MemoryAllocationLib
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BaseMemoryLib
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BaseLib
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DebugLib
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DevicePathLib
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IoLib
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PciLib
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PcdLib
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[Sources]
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PciHostBridge.c
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PciRootBridgeIo.c
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PciHostBridge.h
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[Protocols]
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gEfiPciHostBridgeResourceAllocationProtocolGuid ## PRODUCES
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gEfiPciRootBridgeIoProtocolGuid ## PRODUCES
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gEfiMetronomeArchProtocolGuid ## CONSUMES
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gEfiDevicePathProtocolGuid ## PRODUCES
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[Pcd]
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gArmPlatformTokenSpaceGuid.PcdPciBusMin
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gArmPlatformTokenSpaceGuid.PcdPciBusMax
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gArmPlatformTokenSpaceGuid.PcdPciIoBase
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gArmPlatformTokenSpaceGuid.PcdPciIoSize
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gArmPlatformTokenSpaceGuid.PcdPciIoTranslation
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gArmPlatformTokenSpaceGuid.PcdPciMmio32Base
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gArmPlatformTokenSpaceGuid.PcdPciMmio32Size
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gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
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[FeaturePcd]
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gArmVirtualizationTokenSpaceGuid.PcdKludgeMapPciMmioAsCached
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[depex]
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gEfiMetronomeArchProtocolGuid AND
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gEfiCpuArchProtocolGuid
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