[PULL 17/36] target/loongarch: Convert to 3-phase reset

[Peter Maydell]

Convert the loongarch 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>
Message-id: 20221124115023.2437291-8-peter.maydell@linaro.org
---
 target/loongarch/cpu.h |  4 ++--
 target/loongarch/cpu.c | 12 ++++++++----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h
index e15c633b0bf..e35cf655975 100644
--- a/target/loongarch/cpu.h
+++ b/target/loongarch/cpu.h
@@ -356,7 +356,7 @@ OBJECT_DECLARE_CPU_TYPE(LoongArchCPU, LoongArchCPUClass,
 /**
  * LoongArchCPUClass:
  * @parent_realize: The parent class' realize handler.
- * @parent_reset: The parent class' reset handler.
+ * @parent_phases: The parent class' reset phase handlers.
  *
  * A LoongArch CPU model.
  */
@@ -366,7 +366,7 @@ struct LoongArchCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    DeviceReset parent_reset;
+    ResettablePhases parent_phases;
 };
 
 /*
diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index e7b0e12be6a..290ab4d526b 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -450,14 +450,16 @@ void loongarch_cpu_list(void)
     g_slist_free(list);
 }
 
-static void loongarch_cpu_reset(DeviceState *dev)
+static void loongarch_cpu_reset_hold(Object *obj)
 {
-    CPUState *cs = CPU(dev);
+    CPUState *cs = CPU(obj);
     LoongArchCPU *cpu = LOONGARCH_CPU(cs);
     LoongArchCPUClass *lacc = LOONGARCH_CPU_GET_CLASS(cpu);
     CPULoongArchState *env = &cpu->env;
 
-    lacc->parent_reset(dev);
+    if (lacc->parent_phases.hold) {
+        lacc->parent_phases.hold(obj);
+    }
 
     env->fcsr0_mask = FCSR0_M1 | FCSR0_M2 | FCSR0_M3;
     env->fcsr0 = 0x0;
@@ -694,10 +696,12 @@ static void loongarch_cpu_class_init(ObjectClass *c, void 
*data)
     LoongArchCPUClass *lacc = LOONGARCH_CPU_CLASS(c);
     CPUClass *cc = CPU_CLASS(c);
     DeviceClass *dc = DEVICE_CLASS(c);
+    ResettableClass *rc = RESETTABLE_CLASS(c);
 
     device_class_set_parent_realize(dc, loongarch_cpu_realizefn,
                                     &lacc->parent_realize);
-    device_class_set_parent_reset(dc, loongarch_cpu_reset, 
&lacc->parent_reset);
+    resettable_class_set_parent_phases(rc, NULL, loongarch_cpu_reset_hold, 
NULL,
+                                       &lacc->parent_phases);
 
     cc->class_by_name = loongarch_cpu_class_by_name;
     cc->has_work = loongarch_cpu_has_work;
-- 
2.25.1