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OvmfPkg/CloudHv: Replace legacy 8254 PIT with local APIC timer 

Cloud Hypervisor doesn't emulate the legacy 8254 PIT, which is why
instead of relying on it as the timer UEFI services, rely on the
XenTimerDxe implementation. This is not Xen specific, as it simply uses
the local APIC timer triggering interrupts on the vector 32.

Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Jiewen Yao <Jiewen.yao@intel.com>
Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf 2022-01-11 20:31:26 +08:00 committed by mergify[bot]
parent c712ce2bb1
commit a2da72b2ca
2 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
OvmfPkg/CloudHv/CloudHvX64.dsc
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@ -607,6 +607,7 @@
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size|0x800000000
!endif
gEfiMdePkgTokenSpaceGuid.PcdFSBClock|1000000000
gEfiMdePkgTokenSpaceGuid.PcdPlatformBootTimeOut|0
# Set video resolution for text setup.
@ -733,7 +734,7 @@
OvmfPkg/8259InterruptControllerDxe/8259.inf
UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
UefiCpuPkg/CpuDxe/CpuDxe.inf
OvmfPkg/8254TimerDxe/8254Timer.inf
OvmfPkg/XenTimerDxe/XenTimerDxe.inf
OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.inf
OvmfPkg/PciHotPlugInitDxe/PciHotPlugInit.inf
MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf {

2
OvmfPkg/CloudHv/CloudHvX64.fdf
View File

@ -235,7 +235,7 @@ INF MdeModulePkg/Universal/EbcDxe/EbcDxe.inf
INF OvmfPkg/8259InterruptControllerDxe/8259.inf
INF UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
INF UefiCpuPkg/CpuDxe/CpuDxe.inf
INF OvmfPkg/8254TimerDxe/8254Timer.inf
INF OvmfPkg/XenTimerDxe/XenTimerDxe.inf
INF OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.inf
INF OvmfPkg/PciHotPlugInitDxe/PciHotPlugInit.inf
INF MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf