diff options
Diffstat (limited to 'hw/pci-host/piix.c')
| -rw-r--r-- | hw/pci-host/piix.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/pci-host/piix.c b/hw/pci-host/piix.c index bad3953fb5..edc974ece3 100644 --- a/hw/pci-host/piix.c +++ b/hw/pci-host/piix.c @@ -48,6 +48,7 @@ typedef struct I440FXState { PCIHostState parent_obj; PcPciInfo pci_info; uint64_t pci_hole64_size; + uint32_t short_root_bus; } I440FXState; #define PIIX_NUM_PIC_IRQS 16 /* i8259 * 2 */ @@ -720,13 +721,19 @@ static const TypeInfo i440fx_info = { static const char *i440fx_pcihost_root_bus_path(PCIHostState *host_bridge, PCIBus *rootbus) { + I440FXState *s = I440FX_PCI_HOST_BRIDGE(host_bridge); + /* For backwards compat with old device paths */ - return "0000"; + if (s->short_root_bus) { + return "0000"; + } + return "0000:00"; } static Property i440fx_props[] = { DEFINE_PROP_SIZE(PCI_HOST_PROP_PCI_HOLE64_SIZE, I440FXState, pci_hole64_size, DEFAULT_PCI_HOLE64_SIZE), + DEFINE_PROP_UINT32("short_root_bus", I440FXState, short_root_bus, 0), DEFINE_PROP_END_OF_LIST(), }; |