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OvmfPkg/OvmfXen: Introduce XenTimerDxe

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"OvmfPkg/8254TimerDxe" is replaced with a Xen-specific
EFI_TIMER_ARCH_PROTOCOL implementation. Also remove
8259InterruptControllerDxe as it is not used anymore.

This Timer uses the local APIC timer as time source as it can work on
both a Xen PVH guest and an HVM one.

Based on the "OvmfPkg/8254TimerDxe" implementation.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20190813113119.14804-31-anthony.perard@citrix.com>
This commit is contained in:
Anthony PERARD
2019-08-13 12:31:14 +01:00
committed by Laszlo Ersek
parent c8395d27f7
commit d668c8bc55
6 changed files with 577 additions and 4 deletions
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3
OvmfPkg/OvmfXen.dsc
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@@ -547,10 +547,9 @@
MdeModulePkg/Universal/SecurityStubDxe/SecurityStubDxe.inf
MdeModulePkg/Universal/EbcDxe/EbcDxe.inf
OvmfPkg/8259InterruptControllerDxe/8259.inf
OvmfPkg/XenTimerDxe/XenTimerDxe.inf
UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
UefiCpuPkg/CpuDxe/CpuDxe.inf
OvmfPkg/8254TimerDxe/8254Timer.inf
OvmfPkg/IncompatiblePciDeviceSupportDxe/IncompatiblePciDeviceSupport.inf
OvmfPkg/PciHotPlugInitDxe/PciHotPlugInit.inf
MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciHostBridgeDxe.inf {