X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ArmVirtPkg%2FArmVirtPkg.dec;h=a5ec421664450eda2495ede370d2b3501081c50d;hb=a7ea752e59bbbf69c6d8a72ee6a8b7a0f77cca7c;hp=fa908253b3205378cfa38e76ea6c2d48d23ff768;hpb=8dbae2c197fa7127bdbb6d5d1fb5dc8af6dd4157;p=mirror_edk2.git diff --git a/ArmVirtPkg/ArmVirtPkg.dec b/ArmVirtPkg/ArmVirtPkg.dec index fa908253b3..a5ec421664 100644 --- a/ArmVirtPkg/ArmVirtPkg.dec +++ b/ArmVirtPkg/ArmVirtPkg.dec @@ -59,49 +59,7 @@ # gArmVirtTokenSpaceGuid.PcdTerminalTypeGuidBuffer|{0x65, 0x60, 0xA6, 0xDF, 0x19, 0xB4, 0xD3, 0x11, 0x9A, 0x2D, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0x4D}|VOID*|0x00000007 -[PcdsDynamic, PcdsFixedAtBuild] - # - # ARM PSCI function invocations can be done either through hypervisor - # calls (HVC) or secure monitor calls (SMC). - # PcdArmPsciMethod == 1 : use HVC - # PcdArmPsciMethod == 2 : use SMC - # - gArmVirtTokenSpaceGuid.PcdArmPsciMethod|0|UINT32|0x00000003 - - gArmVirtTokenSpaceGuid.PcdFwCfgSelectorAddress|0x0|UINT64|0x00000004 - gArmVirtTokenSpaceGuid.PcdFwCfgDataAddress|0x0|UINT64|0x00000005 - gArmVirtTokenSpaceGuid.PcdFwCfgDmaAddress|0x0|UINT64|0x00000009 - - # - # Supported GIC revision (2, 3, ...) - # - gArmVirtTokenSpaceGuid.PcdArmGicRevision|0x0|UINT32|0x00000008 - [PcdsFeatureFlag] - # - # "Map PCI MMIO as Cached" - # - # Due to the way Stage1 and Stage2 mappings are combined on Aarch64, and - # because KVM -- for the time being -- does not try to interfere with the - # Stage1 mappings, we must not set EFI_MEMORY_UC for emulated PCI MMIO - # regions. - # - # EFI_MEMORY_UC is mapped to Device-nGnRnE, and that Stage1 attribute would - # direct guest writes to host DRAM immediately, bypassing the cache - # regardless of Stage2 attributes. However, QEMU's reads of the same range - # can easily be served from the (stale) CPU cache. - # - # Setting this PCD to TRUE will use EFI_MEMORY_WB for mapping PCI MMIO - # regions, which ensures that guest writes to such regions go through the CPU - # cache. Strictly speaking this is wrong, but it is needed as a temporary - # workaround for emulated PCI devices. Setting the PCD to FALSE results in - # the theoretically correct EFI_MEMORY_UC mapping, and should be the long - # term choice, especially with assigned devices. - # - # The default is to turn off the kludge; DSC's can selectively enable it. - # - gArmVirtTokenSpaceGuid.PcdKludgeMapPciMmioAsCached|FALSE|BOOLEAN|0x00000006 - # # Pure ACPI boot #