target/rx: Convert to 3-phase reset

Convert the rx 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>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Edgar E. Iglesias <edgar@zeroasic.com>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-id: 20221124115023.2437291-16-peter.maydell@linaro.org

target/rx/cpu-qom.h

@@ -31,7 +31,7 @@ OBJECT_DECLARE_CPU_TYPE(RXCPU, RXCPUClass, RX_CPU)
 /*
  * RXCPUClass:
  * @parent_realize: The parent class' realize handler.
- * @parent_reset: The parent class' reset handler.
+ * @parent_phases: The parent class' reset phase handlers.
  *
  * A RX CPU model.
  */
@@ -41,7 +41,7 @@ struct RXCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    DeviceReset parent_reset;
+    ResettablePhases parent_phases;
 };
 
 #endif

target/rx/cpu.c

@@ -62,14 +62,16 @@ static bool rx_cpu_has_work(CPUState *cs)
         (CPU_INTERRUPT_HARD | CPU_INTERRUPT_FIR);
 }
 
-static void rx_cpu_reset(DeviceState *dev)
+static void rx_cpu_reset_hold(Object *obj)
 {
-    RXCPU *cpu = RX_CPU(dev);
+    RXCPU *cpu = RX_CPU(obj);
     RXCPUClass *rcc = RX_CPU_GET_CLASS(cpu);
     CPURXState *env = &cpu->env;
     uint32_t *resetvec;
 
-    rcc->parent_reset(dev);
+    if (rcc->parent_phases.hold) {
+        rcc->parent_phases.hold(obj);
+    }
 
     memset(env, 0, offsetof(CPURXState, end_reset_fields));
 
@@ -215,11 +217,12 @@ static void rx_cpu_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     CPUClass *cc = CPU_CLASS(klass);
     RXCPUClass *rcc = RX_CPU_CLASS(klass);
+    ResettableClass *rc = RESETTABLE_CLASS(klass);
 
     device_class_set_parent_realize(dc, rx_cpu_realize,
                                     &rcc->parent_realize);
-    device_class_set_parent_reset(dc, rx_cpu_reset,
-                                  &rcc->parent_reset);
+    resettable_class_set_parent_phases(rc, NULL, rx_cpu_reset_hold, NULL,
+                                       &rcc->parent_phases);
 
     cc->class_by_name = rx_cpu_class_by_name;
     cc->has_work = rx_cpu_has_work;