isa_register_ioport(dev, &s->io, s->ioport);
if (!port_configured) {
- fw_cfg = object_resolve_path("/machine/fw_cfg", NULL);
+ fw_cfg = fw_cfg_find();
if (fw_cfg) {
fw_cfg_add_file(fw_cfg, "etc/pvpanic-port",
g_memdup(&s->ioport, sizeof(s->ioport)),
#define FW_CFG_SIZE 2
#define FW_CFG_DATA_SIZE 1
+#define TYPE_FW_CFG "fw_cfg"
+#define FW_CFG_NAME "fw_cfg"
+#define FW_CFG_PATH "/machine/" FW_CFG_NAME
typedef struct FWCfgEntry {
uint32_t len;
s = DO_UPCAST(FWCfgState, busdev.qdev, dev);
- if (!object_resolve_path("/machine/fw_cfg", NULL)) {
- object_property_add_child(qdev_get_machine(), "fw_cfg", OBJECT(s),
+ if (!object_resolve_path(FW_CFG_PATH, NULL)) {
+ object_property_add_child(qdev_get_machine(), FW_CFG_NAME, OBJECT(s),
NULL);
}
DEFINE_PROP_END_OF_LIST(),
};
+FWCfgState *fw_cfg_find(void)
+{
+ return OBJECT_CHECK(FWCfgState, object_resolve_path(FW_CFG_PATH, NULL),
+ TYPE_FW_CFG);
+}
+
static void fw_cfg_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
}
static const TypeInfo fw_cfg_info = {
- .name = "fw_cfg",
+ .name = TYPE_FW_CFG,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(FWCfgState),
.class_init = fw_cfg_class_init,
FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
hwaddr crl_addr, hwaddr data_addr);
+FWCfgState *fw_cfg_find(void);
+
#endif /* NO_QEMU_PROTOS */
#endif