OvmfPkg/PciHostBridgeLib: Scan for root bridges when running over Xen

[mirror_edk2.git] / OvmfPkg / Library / PciHostBridgeLib / PciHostBridgeLib.c

diff --git a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
index aeb0bdf84dcb7a9b7bb75b22f64322ac8b87eaf7..6ba0ca68314d807d35835099fa92d21ae045e0e4 100644 (file)
--- a/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
+++ b/OvmfPkg/Library/PciHostBridgeLib/PciHostBridgeLib.c
@@ -28,6 +28,7 @@
 #include <Library/PciHostBridgeLib.h>\r
 #include <Library/PciLib.h>\r
 #include <Library/QemuFwCfgLib.h>\r
+#include "PciHostBridge.h"\r
 \r
 \r
 #pragma pack(1)\r
@@ -113,7 +114,6 @@ STATIC PCI_ROOT_BRIDGE_APERTURE mNonExistAperture = { MAX_UINT64, 0 };
 \r
   @retval EFI_OUT_OF_RESOURCES  Memory allocation failed.\r
 **/\r
-STATIC\r
 EFI_STATUS\r
 InitRootBridge (\r
   IN  UINT64                   Supports,\r
@@ -217,6 +217,10 @@ PciHostBridgeGetRootBridges (
   PCI_ROOT_BRIDGE_APERTURE Mem;\r
   PCI_ROOT_BRIDGE_APERTURE MemAbove4G;\r
 \r
+  if (PcdGetBool (PcdPciDisableBusEnumeration)) {\r
+    return ScanForRootBridges (Count);\r
+  }\r
+\r
   Attributes = EFI_PCI_ATTRIBUTE_IDE_PRIMARY_IO |\r
     EFI_PCI_ATTRIBUTE_IDE_SECONDARY_IO |\r
     EFI_PCI_ATTRIBUTE_ISA_IO_16 |\r