diff options
Diffstat (limited to 'hw/nvram/fw_cfg.c')
| -rw-r--r-- | hw/nvram/fw_cfg.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c index 479113bd81..3c255cec01 100644 --- a/hw/nvram/fw_cfg.c +++ b/hw/nvram/fw_cfg.c @@ -32,6 +32,9 @@ #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; @@ -493,10 +496,9 @@ FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port, 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), - NULL); - } + assert(!object_resolve_path(FW_CFG_PATH, NULL)); + + object_property_add_child(qdev_get_machine(), FW_CFG_NAME, OBJECT(s), NULL); qdev_init_nofail(dev); @@ -553,6 +555,12 @@ static Property fw_cfg_properties[] = { 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); @@ -566,7 +574,7 @@ static void fw_cfg_class_init(ObjectClass *klass, void *data) } 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, |