[Xen-devel] [PATCH RFC 1/7] HACK: Use DeutPkg/PciRootBridgeNoEnumeration and PciBusNoEnumerationDxe

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Xen hvmloader has already allocated resources for PCI devices. OVMF
should not need to fiddle with that.

Apparently this can be made configurable so that it benifits Xen /
Coreboot etc. Advise welcomed.

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 OvmfPkg/OvmfPkgX64.dsc |    8 ++++++--
 OvmfPkg/OvmfPkgX64.fdf |    8 ++++++--
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index 53945d0..0f2b496 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -388,8 +388,12 @@
   UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
   UefiCpuPkg/CpuDxe/CpuDxe.inf
   PcAtChipsetPkg/8254TimerDxe/8254Timer.inf
-  PcAtChipsetPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf
-  MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
+  # PcAtChipsetPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf
+  # MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
+
+  DuetPkg/PciRootBridgeNoEnumerationDxe/PciRootBridgeNoEnumeration.inf
+  DuetPkg/PciBusNoEnumerationDxe/PciBusNoEnumeration.inf
+
   PcAtChipsetPkg/KbcResetDxe/Reset.inf
   MdeModulePkg/Universal/Metronome/Metronome.inf {
     <LibraryClasses>
diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf
index 751b94b..67a5094 100644
--- a/OvmfPkg/OvmfPkgX64.fdf
+++ b/OvmfPkg/OvmfPkgX64.fdf
@@ -259,8 +259,12 @@ INF  PcAtChipsetPkg/8259InterruptControllerDxe/8259.inf
 INF  UefiCpuPkg/CpuIo2Dxe/CpuIo2Dxe.inf
 INF  UefiCpuPkg/CpuDxe/CpuDxe.inf
 INF  PcAtChipsetPkg/8254TimerDxe/8254Timer.inf
-INF  PcAtChipsetPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf
-INF  MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
+# INF  PcAtChipsetPkg/PciHostBridgeDxe/PciHostBridgeDxe.inf
+# INF  MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf
+
+INF   DuetPkg/PciRootBridgeNoEnumerationDxe/PciRootBridgeNoEnumeration.inf
+INF   DuetPkg/PciBusNoEnumerationDxe/PciBusNoEnumeration.inf
+
 INF  PcAtChipsetPkg/KbcResetDxe/Reset.inf
 INF  MdeModulePkg/Universal/Metronome/Metronome.inf
 INF  PcAtChipsetPkg/PcatRealTimeClockRuntimeDxe/PcatRealTimeClockRuntimeDxe.inf
-- 
1.7.10.4


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