target-xtensa: Introduce QOM realizefn for XtensaCPU

Introduce realizefn and set realized = true in cpu_xtensa_init().

Signed-off-by: Andreas Färber <afaerber@suse.de>

target-xtensa/cpu-qom.h

@@ -43,6 +43,7 @@
 
 /**
  * XtensaCPUClass:
+ * @parent_realize: The parent class' realize handler.
  * @parent_reset: The parent class' reset handler.
  *
  * An Xtensa CPU model.
@@ -52,6 +53,7 @@ typedef struct XtensaCPUClass {
     CPUClass parent_class;
     /*< public >*/
 
+    DeviceRealize parent_realize;
     void (*parent_reset)(CPUState *cpu);
 } XtensaCPUClass;
 

target-xtensa/cpu.c

@@ -56,6 +56,16 @@ static void xtensa_cpu_reset(CPUState *s)
     reset_mmu(env);
 }
 
+static void xtensa_cpu_realizefn(DeviceState *dev, Error **errp)
+{
+    XtensaCPU *cpu = XTENSA_CPU(dev);
+    XtensaCPUClass *xcc = XTENSA_CPU_GET_CLASS(dev);
+
+    qemu_init_vcpu(&cpu->env);
+
+    xcc->parent_realize(dev, errp);
+}
+
 static void xtensa_cpu_initfn(Object *obj)
 {
     XtensaCPU *cpu = XTENSA_CPU(obj);
@@ -66,9 +76,13 @@ static void xtensa_cpu_initfn(Object *obj)
 
 static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
 {
+    DeviceClass *dc = DEVICE_CLASS(oc);
     CPUClass *cc = CPU_CLASS(oc);
     XtensaCPUClass *xcc = XTENSA_CPU_CLASS(cc);
 
+    xcc->parent_realize = dc->realize;
+    dc->realize = xtensa_cpu_realizefn;
+
     xcc->parent_reset = cc->reset;
     cc->reset = xtensa_cpu_reset;
 }

target-xtensa/helper.c

@@ -104,7 +104,9 @@ XtensaCPU *cpu_xtensa_init(const char *cpu_model)
     }
 
     xtensa_irq_init(env);
-    qemu_init_vcpu(env);
+
+    object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
+
     return cpu;
 }