target-m68k: Introduce QOM realizefn for M68kCPU

Introduce realizefn and set realized = true in cpu_m68k_init().

Split off GDB registration to a new m68k_cpu_init_gdb() so that it can
be called from the realizefn.

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

4 files changed, 29 insertions, 4 deletions

diff --git a/target-m68k/cpu-qom.h b/target-m68k/cpu-qom.h
index 170daa7c96..20e5684552 100644
--- a/target-m68k/cpu-qom.h
+++ b/target-m68k/cpu-qom.h
@@ -33,6 +33,7 @@
 
 /**
  * M68kCPUClass:
+ * @parent_realize: The parent class' realize handler.
  * @parent_reset: The parent class' reset handler.
  *
  * A Motorola 68k CPU model.
@@ -42,6 +43,7 @@ typedef struct M68kCPUClass {
     CPUClass parent_class;
     /*< public >*/
 
+    DeviceRealize parent_realize;
     void (*parent_reset)(CPUState *cpu);
 } M68kCPUClass;
 
diff --git a/target-m68k/cpu.c b/target-m68k/cpu.c
index c71f715174..e3eaffc9ed 100644
--- a/target-m68k/cpu.c
+++ b/target-m68k/cpu.c
@@ -139,6 +139,19 @@ static const M68kCPUInfo m68k_cpus[] = {
     { .name = "any",   .instance_init = any_cpu_initfn },
 };
 
+static void m68k_cpu_realizefn(DeviceState *dev, Error **errp)
+{
+    M68kCPU *cpu = M68K_CPU(dev);
+    M68kCPUClass *mcc = M68K_CPU_GET_CLASS(dev);
+
+    m68k_cpu_init_gdb(cpu);
+
+    cpu_reset(CPU(cpu));
+    qemu_init_vcpu(&cpu->env);
+
+    mcc->parent_realize(dev, errp);
+}
+
 static void m68k_cpu_initfn(Object *obj)
 {
     M68kCPU *cpu = M68K_CPU(obj);
@@ -158,6 +171,9 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data)
     CPUClass *cc = CPU_CLASS(c);
     DeviceClass *dc = DEVICE_CLASS(c);
 
+    mcc->parent_realize = dc->realize;
+    dc->realize = m68k_cpu_realizefn;
+
     mcc->parent_reset = cc->reset;
     cc->reset = m68k_cpu_reset;
 
diff --git a/target-m68k/cpu.h b/target-m68k/cpu.h
index adaf56c471..94937c4fd7 100644
--- a/target-m68k/cpu.h
+++ b/target-m68k/cpu.h
@@ -116,6 +116,7 @@ typedef struct CPUM68KState {
 #include "cpu-qom.h"
 
 void m68k_tcg_init(void);
+void m68k_cpu_init_gdb(M68kCPU *cpu);
 CPUM68KState *cpu_m68k_init(const char *cpu_model);
 int cpu_m68k_exec(CPUM68KState *s);
 void do_interrupt(CPUM68KState *env1);
diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index 5ddcd707fd..3ae6fa0492 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -120,15 +120,21 @@ CPUM68KState *cpu_m68k_init(const char *cpu_model)
     env->cpu_model_str = cpu_model;
 
     register_m68k_insns(env);
+
+    object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
+
+    return env;
+}
+
+void m68k_cpu_init_gdb(M68kCPU *cpu)
+{
+    CPUM68KState *env = &cpu->env;
+
     if (m68k_feature(env, M68K_FEATURE_CF_FPU)) {
         gdb_register_coprocessor(env, fpu_gdb_get_reg, fpu_gdb_set_reg,
                                  11, "cf-fp.xml", 18);
     }
     /* TODO: Add [E]MAC registers.  */
-
-    cpu_reset(ENV_GET_CPU(env));
-    qemu_init_vcpu(env);
-    return env;
 }
 
 void cpu_m68k_flush_flags(CPUM68KState *env, int cc_op)