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-rw-r--r--hw/core/sysbus.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c
index 92eced9424..278a2d1bdd 100644
--- a/hw/core/sysbus.c
+++ b/hw/core/sysbus.c
@@ -281,6 +281,9 @@ static void sysbus_dev_print(Monitor *mon, DeviceState *dev, int indent)
static char *sysbus_get_fw_dev_path(DeviceState *dev)
{
SysBusDevice *s = SYS_BUS_DEVICE(dev);
+ SysBusDeviceClass *sbc = SYS_BUS_DEVICE_GET_CLASS(s);
+ /* for the explicit unit address fallback case: */
+ char *addr, *fw_dev_path;
if (s->num_mmio) {
return g_strdup_printf("%s@" TARGET_FMT_plx, qdev_fw_name(dev),
@@ -289,6 +292,14 @@ static char *sysbus_get_fw_dev_path(DeviceState *dev)
if (s->num_pio) {
return g_strdup_printf("%s@i%04x", qdev_fw_name(dev), s->pio[0]);
}
+ if (sbc->explicit_ofw_unit_address) {
+ addr = sbc->explicit_ofw_unit_address(s);
+ if (addr) {
+ fw_dev_path = g_strdup_printf("%s@%s", qdev_fw_name(dev), addr);
+ g_free(addr);
+ return fw_dev_path;
+ }
+ }
return g_strdup(qdev_fw_name(dev));
}