[PATCH for-8.0 03/19] target/avr: Convert to 3-phase reset

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

Convert the avr 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/avr/cpu-qom.h |  4 ++--
 target/avr/cpu.c     | 13 +++++++++----
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/target/avr/cpu-qom.h b/target/avr/cpu-qom.h
index b5c3507d6d7..01ea5f160b6 100644
--- a/target/avr/cpu-qom.h
+++ b/target/avr/cpu-qom.h
@@ -31,7 +31,7 @@ OBJECT_DECLARE_CPU_TYPE(AVRCPU, AVRCPUClass, AVR_CPU)
 /**
  *  AVRCPUClass:
  *  @parent_realize: The parent class' realize handler.
- *  @parent_reset: The parent class' reset handler.
+ *  @parent_phases: The parent class' reset phase handlers.
  *
  *  A AVR CPU model.
  */
@@ -40,7 +40,7 @@ struct AVRCPUClass {
     CPUClass parent_class;
     /*< public >*/
     DeviceRealize parent_realize;
-    DeviceReset parent_reset;
+    ResettablePhases parent_phases;
 };
 
 
diff --git a/target/avr/cpu.c b/target/avr/cpu.c
index c7295b488d1..d0139804b9f 100644
--- a/target/avr/cpu.c
+++ b/target/avr/cpu.c
@@ -67,14 +67,16 @@ static void avr_restore_state_to_opc(CPUState *cs,
     env->pc_w = data[0];
 }
 
-static void avr_cpu_reset(DeviceState *ds)
+static void avr_cpu_reset_hold(Object *obj)
 {
-    CPUState *cs = CPU(ds);
+    CPUState *cs = CPU(obj);
     AVRCPU *cpu = AVR_CPU(cs);
     AVRCPUClass *mcc = AVR_CPU_GET_CLASS(cpu);
     CPUAVRState *env = &cpu->env;
 
-    mcc->parent_reset(ds);
+    if (mcc->parent_phases.hold) {
+        mcc->parent_phases.hold(obj);
+    }
 
     env->pc_w = 0;
     env->sregI = 1;
@@ -223,9 +225,12 @@ static void avr_cpu_class_init(ObjectClass *oc, void *data)
     DeviceClass *dc = DEVICE_CLASS(oc);
     CPUClass *cc = CPU_CLASS(oc);
     AVRCPUClass *mcc = AVR_CPU_CLASS(oc);
+    ResettableClass *rc = RESETTABLE_CLASS(oc);
 
     device_class_set_parent_realize(dc, avr_cpu_realizefn, &mcc->parent_realize);
-    device_class_set_parent_reset(dc, avr_cpu_reset, &mcc->parent_reset);
+
+    resettable_class_set_parent_phases(rc, NULL, avr_cpu_reset_hold, NULL,
+                                       &mcc->parent_phases);
 
     cc->class_by_name = avr_cpu_class_by_name;
 
-- 
2.25.1