#define TYPE_FW_CFG "fw_cfg"
#define FW_CFG_NAME "fw_cfg"
#define FW_CFG_PATH "/machine/" FW_CFG_NAME
+#define FW_CFG(obj) OBJECT_CHECK(FWCfgState, (obj), TYPE_FW_CFG)
typedef struct FWCfgEntry {
uint32_t len;
} FWCfgEntry;
struct FWCfgState {
- SysBusDevice busdev;
+ /*< private >*/
+ SysBusDevice parent_obj;
+ /*< public >*/
+
MemoryRegion ctl_iomem, data_iomem, comb_iomem;
uint32_t ctl_iobase, data_iobase;
FWCfgEntry entries[2][FW_CFG_MAX_ENTRY];
static void fw_cfg_reset(DeviceState *d)
{
- FWCfgState *s = DO_UPCAST(FWCfgState, busdev.qdev, d);
+ FWCfgState *s = FW_CFG(d);
fw_cfg_select(s, 0);
}
SysBusDevice *d;
FWCfgState *s;
- dev = qdev_create(NULL, "fw_cfg");
+ dev = qdev_create(NULL, TYPE_FW_CFG);
qdev_prop_set_uint32(dev, "ctl_iobase", ctl_port);
qdev_prop_set_uint32(dev, "data_iobase", data_port);
d = SYS_BUS_DEVICE(dev);
- s = DO_UPCAST(FWCfgState, busdev.qdev, dev);
+ s = FW_CFG(dev);
assert(!object_resolve_path(FW_CFG_PATH, NULL));
static int fw_cfg_init1(SysBusDevice *dev)
{
- FWCfgState *s = FROM_SYSBUS(FWCfgState, dev);
+ FWCfgState *s = FW_CFG(dev);
memory_region_init_io(&s->ctl_iomem, OBJECT(s), &fw_cfg_ctl_mem_ops, s,
"fwcfg.ctl", FW_CFG_SIZE);
FWCfgState *fw_cfg_find(void)
{
- return OBJECT_CHECK(FWCfgState, object_resolve_path(FW_CFG_PATH, NULL),
- TYPE_FW_CFG);
+ return FW_CFG(object_resolve_path(FW_CFG_PATH, NULL));
}
static void fw_cfg_class_init(ObjectClass *klass, void *data)