[PATCH v2 25/31] OvmfPkg/PlatformBootManagerLib: Handle the absence of PCI bus on Xen PVH

[Anthony PERARD <anthony.perard@citrix.com>]

When running on PVH without PCI bus, the XenPlatformPei will set
PcdOvmfHostBridgePciDevId to XEN_PVH_PCI_HOST_BRIDGE_DEVICE_ID.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
 OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c b/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
index 12303fb0f1..1a6d47732e 100644
--- a/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
+++ b/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c
@@ -1213,6 +1213,11 @@ PciAcpiInitialization (
       PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6a), 0x0b); // G
       PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6b), 0x0b); // H
       break;
+    case XEN_PVH_PCI_HOST_BRIDGE_DEVICE_ID:
+      //
+      // There are no PCI bus in this case.
+      //
+      return;
     default:
       DEBUG ((EFI_D_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n",
         __FUNCTION__, mHostBridgeDevId));
-- 
Anthony PERARD


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