[PATCH for-8.0 08/19] target/m68k: Convert to 3-phase reset

[Peter Maydell <peter.maydell@linaro.org>]

Convert the m68k CPU class to use 3-phase reset, so it doesn't
need to use device_class_set_parent_reset() any more.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/m68k/cpu-qom.h |  4 ++--
 target/m68k/cpu.c     | 12 ++++++++----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/target/m68k/cpu-qom.h b/target/m68k/cpu-qom.h
index cd9687192cd..0ec7750a926 100644
--- a/target/m68k/cpu-qom.h
+++ b/target/m68k/cpu-qom.h
@@ -30,7 +30,7 @@ OBJECT_DECLARE_CPU_TYPE(M68kCPU, M68kCPUClass, M68K_CPU)
 /*
  * M68kCPUClass:
  * @parent_realize: The parent class' realize handler.
- * @parent_reset: The parent class' reset handler.
+ * @parent_phases: The parent class' reset phase handlers.
  *
  * A Motorola 68k CPU model.
  */
@@ -40,7 +40,7 @@ struct M68kCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    DeviceReset parent_reset;
+    ResettablePhases parent_phases;
 };
 
 
diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c
index b67ddea2aee..99af1ab541a 100644
--- a/target/m68k/cpu.c
+++ b/target/m68k/cpu.c
@@ -66,16 +66,18 @@ static void m68k_unset_feature(CPUM68KState *env, int feature)
     env->features &= ~BIT_ULL(feature);
 }
 
-static void m68k_cpu_reset(DeviceState *dev)
+static void m68k_cpu_reset_hold(Object *obj)
 {
-    CPUState *s = CPU(dev);
+    CPUState *s = CPU(obj);
     M68kCPU *cpu = M68K_CPU(s);
     M68kCPUClass *mcc = M68K_CPU_GET_CLASS(cpu);
     CPUM68KState *env = &cpu->env;
     floatx80 nan = floatx80_default_nan(NULL);
     int i;
 
-    mcc->parent_reset(dev);
+    if (mcc->parent_phases.hold) {
+        mcc->parent_phases.hold(obj);
+    }
 
     memset(env, 0, offsetof(CPUM68KState, end_reset_fields));
 #ifdef CONFIG_SOFTMMU
@@ -552,10 +554,12 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data)
     M68kCPUClass *mcc = M68K_CPU_CLASS(c);
     CPUClass *cc = CPU_CLASS(c);
     DeviceClass *dc = DEVICE_CLASS(c);
+    ResettableClass *rc = RESETTABLE_CLASS(c);
 
     device_class_set_parent_realize(dc, m68k_cpu_realizefn,
                                     &mcc->parent_realize);
-    device_class_set_parent_reset(dc, m68k_cpu_reset, &mcc->parent_reset);
+    resettable_class_set_parent_phases(rc, NULL, m68k_cpu_reset_hold, NULL,
+                                       &mcc->parent_phases);
 
     cc->class_by_name = m68k_cpu_class_by_name;
     cc->has_work = m68k_cpu_has_work;
-- 
2.25.1