target-unicore32: Introduce QOM realizefn for UniCore32CPU

Introduce a realizefn and set realized = true in uc32_cpu_init().
Acked-by: NGuan Xuetao <gxt@mprc.pku.edu.cn>
[AF: Invoke the parent's realizefn]
Signed-off-by: NAndreas Färber <afaerber@suse.de>

target-unicore32/cpu-qom.h

@@ -25,6 +25,7 @@
 
 /**
  * UniCore32CPUClass:
+ * @parent_realize: The parent class' realize handler.
  *
  * A UniCore32 CPU model.
  */
@@ -32,6 +33,8 @@ typedef struct UniCore32CPUClass {
     /*< private >*/
     CPUClass parent_class;
     /*< public >*/
+
+    DeviceRealize parent_realize;
 } UniCore32CPUClass;
 
 /**

target-unicore32/cpu.c

@@ -81,6 +81,16 @@ static const UniCore32CPUInfo uc32_cpus[] = {
     { .name = "any",        .instance_init = uc32_any_cpu_initfn },
 };
 
+static void uc32_cpu_realizefn(DeviceState *dev, Error **errp)
+{
+    UniCore32CPU *cpu = UNICORE32_CPU(dev);
+    UniCore32CPUClass *ucc = UNICORE32_CPU_GET_CLASS(dev);
+
+    qemu_init_vcpu(&cpu->env);
+
+    ucc->parent_realize(dev, errp);
+}
+
 static void uc32_cpu_initfn(Object *obj)
 {
     UniCore32CPU *cpu = UNICORE32_CPU(obj);
@@ -108,6 +118,10 @@ static void uc32_cpu_class_init(ObjectClass *oc, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(oc);
     CPUClass *cc = CPU_CLASS(oc);
+    UniCore32CPUClass *ucc = UNICORE32_CPU_CLASS(oc);
+
+    ucc->parent_realize = dc->realize;
+    dc->realize = uc32_cpu_realizefn;
 
     cc->class_by_name = uc32_cpu_class_by_name;
     dc->vmsd = &vmstate_uc32_cpu;

target-unicore32/helper.c

@@ -45,7 +45,8 @@ CPUUniCore32State *uc32_cpu_init(const char *cpu_model)
         uc32_translate_init();
     }
 
-    qemu_init_vcpu(env);
+    object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
+
     return env;
 }