[PULL 16/36] target/i386: Convert to 3-phase reset

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

Convert the i386 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: 20221124115023.2437291-7-peter.maydell@linaro.org
---
 target/i386/cpu-qom.h |  4 ++--
 target/i386/cpu.c     | 12 ++++++++----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/target/i386/cpu-qom.h b/target/i386/cpu-qom.h
index c557a522e1e..2350f4ae609 100644
--- a/target/i386/cpu-qom.h
+++ b/target/i386/cpu-qom.h
@@ -42,7 +42,7 @@ typedef struct X86CPUModel X86CPUModel;
  * @migration_safe: See CpuDefinitionInfo::migration_safe
  * @static_model: See CpuDefinitionInfo::static
  * @parent_realize: The parent class' realize handler.
- * @parent_reset: The parent class' reset handler.
+ * @parent_phases: The parent class' reset phase handlers.
  *
  * An x86 CPU model or family.
  */
@@ -67,7 +67,7 @@ struct X86CPUClass {
 
     DeviceRealize parent_realize;
     DeviceUnrealize parent_unrealize;
-    DeviceReset parent_reset;
+    ResettablePhases parent_phases;
 };
 
 
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index ae502f0bfea..3410e5e4702 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5877,9 +5877,9 @@ static void x86_cpu_set_sgxlepubkeyhash(CPUX86State *env)
 #endif
 }
 
-static void x86_cpu_reset(DeviceState *dev)
+static void x86_cpu_reset_hold(Object *obj)
 {
-    CPUState *s = CPU(dev);
+    CPUState *s = CPU(obj);
     X86CPU *cpu = X86_CPU(s);
     X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
     CPUX86State *env = &cpu->env;
@@ -5887,7 +5887,9 @@ static void x86_cpu_reset(DeviceState *dev)
     uint64_t xcr0;
     int i;
 
-    xcc->parent_reset(dev);
+    if (xcc->parent_phases.hold) {
+        xcc->parent_phases.hold(obj);
+    }
 
     memset(env, 0, offsetof(CPUX86State, end_reset_fields));
 
@@ -7111,6 +7113,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
     X86CPUClass *xcc = X86_CPU_CLASS(oc);
     CPUClass *cc = CPU_CLASS(oc);
     DeviceClass *dc = DEVICE_CLASS(oc);
+    ResettableClass *rc = RESETTABLE_CLASS(oc);
     FeatureWord w;
 
     device_class_set_parent_realize(dc, x86_cpu_realizefn,
@@ -7119,7 +7122,8 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
                                       &xcc->parent_unrealize);
     device_class_set_props(dc, x86_cpu_properties);
 
-    device_class_set_parent_reset(dc, x86_cpu_reset, &xcc->parent_reset);
+    resettable_class_set_parent_phases(rc, NULL, x86_cpu_reset_hold, NULL,
+                                       &xcc->parent_phases);
     cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
 
     cc->class_by_name = x86_cpu_class_by_name;
-- 
2.25.1