On 07/04/19 16:42, Anthony PERARD wrote: > When running in a Xen PVH guest, there's nothing to do in > PciAcpiInitialization() because there isn't any PCI bus. When the Host > Bridge DID isn't recognised, simply continue. (The value of > PcdOvmfHostBridgePciDevId would be 0 because it isn't set.) > > Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689 > Signed-off-by: Anthony PERARD <anthony.per...@citrix.com> > --- > > Notes: > v3: > - Instead of checking for a false value, > XEN_PVH_PCI_HOST_BRIDGE_DEVICE_ID, simply check if we are running xen > when the HostBridge device ID isn't recognised. > > OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c > b/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c > index e32969e63e..9ae590293a 100644 > --- a/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c > +++ b/OvmfPkg/Library/PlatformBootManagerLib/BdsPlatform.c > @@ -1209,6 +1209,12 @@ PciAcpiInitialization ( > PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6b), 0x0b); // H > break; > default: > + if (XenDetected ()) { > + // > + // There is no PCI bus in this case. > + // > + return; > + } > DEBUG ((EFI_D_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n", > __FUNCTION__, mHostBridgeDevId)); > ASSERT (FALSE); >
Reviewed-by: Laszlo Ersek <ler...@redhat.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel