hppa: replace cpu_hppa_init() with cpu_generic_init()

drop custom cpu_hppa_init() in favor of cpu_generic_init(),
to make cpu_generic_init() work all we need is to provide
cc->class_by_name callback that would resolve any cpu_model
to the sole TYPE_HPPA_CPU to match current behaviour.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1503592308-93913-11-git-send-email-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

target/hppa/cpu.c

@@ -112,15 +112,9 @@ static void hppa_cpu_initfn(Object *obj)
     hppa_translate_init();
 }
 
-HPPACPU *cpu_hppa_init(const char *cpu_model)
+static ObjectClass *hppa_cpu_class_by_name(const char *cpu_model)
 {
-    HPPACPU *cpu;
-
-    cpu = HPPA_CPU(object_new(TYPE_HPPA_CPU));
-
-    object_property_set_bool(OBJECT(cpu), true, "realized", NULL);
-
-    return cpu;
+    return object_class_by_name(TYPE_HPPA_CPU);
 }
 
 static void hppa_cpu_class_init(ObjectClass *oc, void *data)
@@ -132,6 +126,7 @@ static void hppa_cpu_class_init(ObjectClass *oc, void *data)
     acc->parent_realize = dc->realize;
     dc->realize = hppa_cpu_realizefn;
 
+    cc->class_by_name = hppa_cpu_class_by_name;
     cc->do_interrupt = hppa_cpu_do_interrupt;
     cc->cpu_exec_interrupt = hppa_cpu_exec_interrupt;
     cc->dump_state = hppa_cpu_dump_state;

target/hppa/cpu.h

@@ -112,9 +112,7 @@ static inline int cpu_mmu_index(CPUHPPAState *env, bool ifetch)
 
 void hppa_translate_init(void);
 
-HPPACPU *cpu_hppa_init(const char *cpu_model);
-
-#define cpu_init(cpu_model) CPU(cpu_hppa_init(cpu_model))
+#define cpu_init(cpu_model) cpu_generic_init(TYPE_HPPA_CPU, cpu_model)
 
 void hppa_cpu_list(FILE *f, fprintf_function cpu_fprintf);