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-rw-r--r--hw/core/cpu.c19
-rw-r--r--include/hw/core/cpu.h6
-rw-r--r--scripts/coccinelle/cpu-reset.cocci47
-rw-r--r--target/alpha/cpu-qom.h2
-rw-r--r--target/arm/cpu-qom.h2
-rw-r--r--target/arm/cpu.c8
-rw-r--r--target/cris/cpu-qom.h2
-rw-r--r--target/cris/cpu.c8
-rw-r--r--target/hppa/cpu-qom.h2
-rw-r--r--target/i386/cpu-qom.h2
-rw-r--r--target/i386/cpu.c8
-rw-r--r--target/lm32/cpu-qom.h2
-rw-r--r--target/lm32/cpu.c8
-rw-r--r--target/m68k/cpu-qom.h2
-rw-r--r--target/m68k/cpu.c8
-rw-r--r--target/microblaze/cpu-qom.h2
-rw-r--r--target/microblaze/cpu.c8
-rw-r--r--target/mips/cpu-qom.h2
-rw-r--r--target/mips/cpu.c8
-rw-r--r--target/moxie/cpu.c7
-rw-r--r--target/moxie/cpu.h2
-rw-r--r--target/nios2/cpu.c8
-rw-r--r--target/nios2/cpu.h2
-rw-r--r--target/openrisc/cpu.c8
-rw-r--r--target/openrisc/cpu.h2
-rw-r--r--target/ppc/cpu-qom.h2
-rw-r--r--target/ppc/translate_init.inc.c8
-rw-r--r--target/riscv/cpu.c7
-rw-r--r--target/riscv/cpu.h2
-rw-r--r--target/s390x/cpu-qom.h2
-rw-r--r--target/s390x/cpu.c8
-rw-r--r--target/sh4/cpu-qom.h2
-rw-r--r--target/sh4/cpu.c8
-rw-r--r--target/sparc/cpu-qom.h2
-rw-r--r--target/sparc/cpu.c8
-rw-r--r--target/tilegx/cpu.c7
-rw-r--r--target/tilegx/cpu.h2
-rw-r--r--target/tricore/cpu-qom.h2
-rw-r--r--target/tricore/cpu.c7
-rw-r--r--target/xtensa/cpu-qom.h2
-rw-r--r--target/xtensa/cpu.c8
41 files changed, 144 insertions, 108 deletions
diff --git a/hw/core/cpu.c b/hw/core/cpu.c
index fe65ca62ac..b889878f3c 100644
--- a/hw/core/cpu.c
+++ b/hw/core/cpu.c
@@ -239,27 +239,16 @@ void cpu_dump_statistics(CPUState *cpu, int flags)
     }
 }
 
-void cpu_class_set_parent_reset(CPUClass *cc,
-                                void (*child_reset)(CPUState *cpu),
-                                void (**parent_reset)(CPUState *cpu))
-{
-    *parent_reset = cc->reset;
-    cc->reset = child_reset;
-}
-
 void cpu_reset(CPUState *cpu)
 {
-    CPUClass *klass = CPU_GET_CLASS(cpu);
-
-    if (klass->reset != NULL) {
-        (*klass->reset)(cpu);
-    }
+    device_cold_reset(DEVICE(cpu));
 
     trace_guest_cpu_reset(cpu);
 }
 
-static void cpu_common_reset(CPUState *cpu)
+static void cpu_common_reset(DeviceState *dev)
 {
+    CPUState *cpu = CPU(dev);
     CPUClass *cc = CPU_GET_CLASS(cpu);
 
     if (qemu_loglevel_mask(CPU_LOG_RESET)) {
@@ -419,7 +408,6 @@ static void cpu_class_init(ObjectClass *klass, void *data)
     CPUClass *k = CPU_CLASS(klass);
 
     k->parse_features = cpu_common_parse_features;
-    k->reset = cpu_common_reset;
     k->get_arch_id = cpu_common_get_arch_id;
     k->has_work = cpu_common_has_work;
     k->get_paging_enabled = cpu_common_get_paging_enabled;
@@ -440,6 +428,7 @@ static void cpu_class_init(ObjectClass *klass, void *data)
     set_bit(DEVICE_CATEGORY_CPU, dc->categories);
     dc->realize = cpu_common_realizefn;
     dc->unrealize = cpu_common_unrealizefn;
+    dc->reset = cpu_common_reset;
     device_class_set_props(dc, cpu_common_props);
     /*
      * Reason: CPUs still need special care by board code: wiring up
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 73e9a869a4..88ee543722 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -79,7 +79,6 @@ struct TranslationBlock;
  * @class_by_name: Callback to map -cpu command line model name to an
  * instantiatable CPU type.
  * @parse_features: Callback to parse command line arguments.
- * @reset: Callback to reset the #CPUState to its initial state.
  * @reset_dump_flags: #CPUDumpFlags to use for reset logging.
  * @has_work: Callback for checking if there is work to do.
  * @do_interrupt: Callback for interrupt handling.
@@ -165,7 +164,6 @@ typedef struct CPUClass {
     ObjectClass *(*class_by_name)(const char *cpu_model);
     void (*parse_features)(const char *typename, char *str, Error **errp);
 
-    void (*reset)(CPUState *cpu);
     int reset_dump_flags;
     bool (*has_work)(CPUState *cpu);
     void (*do_interrupt)(CPUState *cpu);
@@ -1135,10 +1133,6 @@ void cpu_exec_unrealizefn(CPUState *cpu);
  */
 bool target_words_bigendian(void);
 
-void cpu_class_set_parent_reset(CPUClass *cc,
-                                void (*child_reset)(CPUState *cpu),
-                                void (**parent_reset)(CPUState *cpu));
-
 #ifdef NEED_CPU_H
 
 #ifdef CONFIG_SOFTMMU
diff --git a/scripts/coccinelle/cpu-reset.cocci b/scripts/coccinelle/cpu-reset.cocci
new file mode 100644
index 0000000000..396a724e51
--- /dev/null
+++ b/scripts/coccinelle/cpu-reset.cocci
@@ -0,0 +1,47 @@
+// Convert targets using the old CPUState reset to DeviceState reset
+//
+// Copyright Linaro Ltd 2020
+// This work is licensed under the terms of the GNU GPLv2 or later.
+//
+// spatch --macro-file scripts/cocci-macro-file.h \
+//        --sp-file scripts/coccinelle/cpu-reset.cocci \
+//        --keep-comments --smpl-spacing --in-place --include-headers --dir target
+//
+// For simplicity we assume some things about the code we're modifying
+// that happen to be true for all our targets:
+//  * all cpu_class_set_parent_reset() callsites have a 'DeviceClass *dc' local
+//  * the parent reset field in the target CPU class is 'parent_reset'
+//  * no reset function already has a 'dev' local
+
+@@
+identifier cpu, x;
+typedef CPUState;
+@@
+struct x {
+...
+- void (*parent_reset)(CPUState *cpu);
++ DeviceReset parent_reset;
+...
+};
+@ rule1 @
+identifier resetfn;
+expression resetfield;
+identifier cc;
+@@
+- cpu_class_set_parent_reset(cc, resetfn, resetfield)
++ device_class_set_parent_reset(dc, resetfn, resetfield)
+@@
+identifier rule1.resetfn;
+identifier cpu, cc;
+typedef CPUState, DeviceState;
+@@
+-resetfn(CPUState *cpu)
+-{
++resetfn(DeviceState *dev)
++{
++    CPUState *cpu = CPU(dev);
+<...
+-    cc->parent_reset(cpu);
++    cc->parent_reset(dev);
+...>
+}
diff --git a/target/alpha/cpu-qom.h b/target/alpha/cpu-qom.h
index 6f0a0adb9e..08832fa767 100644
--- a/target/alpha/cpu-qom.h
+++ b/target/alpha/cpu-qom.h
@@ -44,7 +44,7 @@ typedef struct AlphaCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } AlphaCPUClass;
 
 typedef struct AlphaCPU AlphaCPU;
diff --git a/target/arm/cpu-qom.h b/target/arm/cpu-qom.h
index 3a9d31ea9d..d95568bf05 100644
--- a/target/arm/cpu-qom.h
+++ b/target/arm/cpu-qom.h
@@ -51,7 +51,7 @@ typedef struct ARMCPUClass {
 
     const ARMCPUInfo *info;
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } ARMCPUClass;
 
 typedef struct ARMCPU ARMCPU;
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 7fe367078c..8e5ba619a0 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -155,14 +155,14 @@ static void cp_reg_check_reset(gpointer key, gpointer value,  gpointer opaque)
     assert(oldvalue == newvalue);
 }
 
-/* CPUClass::reset() */
-static void arm_cpu_reset(CPUState *s)
+static void arm_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     ARMCPU *cpu = ARM_CPU(s);
     ARMCPUClass *acc = ARM_CPU_GET_CLASS(cpu);
     CPUARMState *env = &cpu->env;
 
-    acc->parent_reset(s);
+    acc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUARMState, end_reset_fields));
 
@@ -2785,7 +2785,7 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data)
                                     &acc->parent_realize);
 
     device_class_set_props(dc, arm_cpu_properties);
-    cpu_class_set_parent_reset(cc, arm_cpu_reset, &acc->parent_reset);
+    device_class_set_parent_reset(dc, arm_cpu_reset, &acc->parent_reset);
 
     cc->class_by_name = arm_cpu_class_by_name;
     cc->has_work = arm_cpu_has_work;
diff --git a/target/cris/cpu-qom.h b/target/cris/cpu-qom.h
index 308c1f95bd..f1de6041dc 100644
--- a/target/cris/cpu-qom.h
+++ b/target/cris/cpu-qom.h
@@ -45,7 +45,7 @@ typedef struct CRISCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 
     uint32_t vr;
 } CRISCPUClass;
diff --git a/target/cris/cpu.c b/target/cris/cpu.c
index 17c6712e29..cff6b9eabf 100644
--- a/target/cris/cpu.c
+++ b/target/cris/cpu.c
@@ -40,15 +40,15 @@ static bool cris_cpu_has_work(CPUState *cs)
     return cs->interrupt_request & (CPU_INTERRUPT_HARD | CPU_INTERRUPT_NMI);
 }
 
-/* CPUClass::reset() */
-static void cris_cpu_reset(CPUState *s)
+static void cris_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     CRISCPU *cpu = CRIS_CPU(s);
     CRISCPUClass *ccc = CRIS_CPU_GET_CLASS(cpu);
     CPUCRISState *env = &cpu->env;
     uint32_t vr;
 
-    ccc->parent_reset(s);
+    ccc->parent_reset(dev);
 
     vr = env->pregs[PR_VR];
     memset(env, 0, offsetof(CPUCRISState, end_reset_fields));
@@ -264,7 +264,7 @@ static void cris_cpu_class_init(ObjectClass *oc, void *data)
     device_class_set_parent_realize(dc, cris_cpu_realizefn,
                                     &ccc->parent_realize);
 
-    cpu_class_set_parent_reset(cc, cris_cpu_reset, &ccc->parent_reset);
+    device_class_set_parent_reset(dc, cris_cpu_reset, &ccc->parent_reset);
 
     cc->class_by_name = cris_cpu_class_by_name;
     cc->has_work = cris_cpu_has_work;
diff --git a/target/hppa/cpu-qom.h b/target/hppa/cpu-qom.h
index 6367dc4793..b1f6045495 100644
--- a/target/hppa/cpu-qom.h
+++ b/target/hppa/cpu-qom.h
@@ -44,7 +44,7 @@ typedef struct HPPACPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } HPPACPUClass;
 
 typedef struct HPPACPU HPPACPU;
diff --git a/target/i386/cpu-qom.h b/target/i386/cpu-qom.h
index 0efab2fc67..3e96f8d668 100644
--- a/target/i386/cpu-qom.h
+++ b/target/i386/cpu-qom.h
@@ -71,7 +71,7 @@ typedef struct X86CPUClass {
 
     DeviceRealize parent_realize;
     DeviceUnrealize parent_unrealize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } X86CPUClass;
 
 typedef struct X86CPU X86CPU;
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 350b51b346..fb3f3c54bb 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5983,9 +5983,9 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
     }
 }
 
-/* CPUClass::reset() */
-static void x86_cpu_reset(CPUState *s)
+static void x86_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     X86CPU *cpu = X86_CPU(s);
     X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
     CPUX86State *env = &cpu->env;
@@ -5993,7 +5993,7 @@ static void x86_cpu_reset(CPUState *s)
     uint64_t xcr0;
     int i;
 
-    xcc->parent_reset(s);
+    xcc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUX86State, end_reset_fields));
 
@@ -7297,7 +7297,7 @@ static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
                                       &xcc->parent_unrealize);
     device_class_set_props(dc, x86_cpu_properties);
 
-    cpu_class_set_parent_reset(cc, x86_cpu_reset, &xcc->parent_reset);
+    device_class_set_parent_reset(dc, x86_cpu_reset, &xcc->parent_reset);
     cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
 
     cc->class_by_name = x86_cpu_class_by_name;
diff --git a/target/lm32/cpu-qom.h b/target/lm32/cpu-qom.h
index dc9ac9ac9f..bdedb3759a 100644
--- a/target/lm32/cpu-qom.h
+++ b/target/lm32/cpu-qom.h
@@ -44,7 +44,7 @@ typedef struct LM32CPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } LM32CPUClass;
 
 typedef struct LM32CPU LM32CPU;
diff --git a/target/lm32/cpu.c b/target/lm32/cpu.c
index 687bf35e65..c50ad5fa15 100644
--- a/target/lm32/cpu.c
+++ b/target/lm32/cpu.c
@@ -99,14 +99,14 @@ static bool lm32_cpu_has_work(CPUState *cs)
     return cs->interrupt_request & CPU_INTERRUPT_HARD;
 }
 
-/* CPUClass::reset() */
-static void lm32_cpu_reset(CPUState *s)
+static void lm32_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     LM32CPU *cpu = LM32_CPU(s);
     LM32CPUClass *lcc = LM32_CPU_GET_CLASS(cpu);
     CPULM32State *env = &cpu->env;
 
-    lcc->parent_reset(s);
+    lcc->parent_reset(dev);
 
     /* reset cpu state */
     memset(env, 0, offsetof(CPULM32State, end_reset_fields));
@@ -218,7 +218,7 @@ static void lm32_cpu_class_init(ObjectClass *oc, void *data)
 
     device_class_set_parent_realize(dc, lm32_cpu_realizefn,
                                     &lcc->parent_realize);
-    cpu_class_set_parent_reset(cc, lm32_cpu_reset, &lcc->parent_reset);
+    device_class_set_parent_reset(dc, lm32_cpu_reset, &lcc->parent_reset);
 
     cc->class_by_name = lm32_cpu_class_by_name;
     cc->has_work = lm32_cpu_has_work;
diff --git a/target/m68k/cpu-qom.h b/target/m68k/cpu-qom.h
index b56da8a213..88b11b60f1 100644
--- a/target/m68k/cpu-qom.h
+++ b/target/m68k/cpu-qom.h
@@ -44,7 +44,7 @@ typedef struct M68kCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } M68kCPUClass;
 
 typedef struct M68kCPU M68kCPU;
diff --git a/target/m68k/cpu.c b/target/m68k/cpu.c
index f0653cda2f..9445fcd6df 100644
--- a/target/m68k/cpu.c
+++ b/target/m68k/cpu.c
@@ -41,16 +41,16 @@ static void m68k_set_feature(CPUM68KState *env, int feature)
     env->features |= (1u << feature);
 }
 
-/* CPUClass::reset() */
-static void m68k_cpu_reset(CPUState *s)
+static void m68k_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     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(s);
+    mcc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUM68KState, end_reset_fields));
 #ifdef CONFIG_SOFTMMU
@@ -273,7 +273,7 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data)
 
     device_class_set_parent_realize(dc, m68k_cpu_realizefn,
                                     &mcc->parent_realize);
-    cpu_class_set_parent_reset(cc, m68k_cpu_reset, &mcc->parent_reset);
+    device_class_set_parent_reset(dc, m68k_cpu_reset, &mcc->parent_reset);
 
     cc->class_by_name = m68k_cpu_class_by_name;
     cc->has_work = m68k_cpu_has_work;
diff --git a/target/microblaze/cpu-qom.h b/target/microblaze/cpu-qom.h
index 49b07cc697..053ba44ee8 100644
--- a/target/microblaze/cpu-qom.h
+++ b/target/microblaze/cpu-qom.h
@@ -44,7 +44,7 @@ typedef struct MicroBlazeCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } MicroBlazeCPUClass;
 
 typedef struct MicroBlazeCPU MicroBlazeCPU;
diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
index 8c90110e52..a2c2f271df 100644
--- a/target/microblaze/cpu.c
+++ b/target/microblaze/cpu.c
@@ -102,14 +102,14 @@ static void microblaze_cpu_set_irq(void *opaque, int irq, int level)
 }
 #endif
 
-/* CPUClass::reset() */
-static void mb_cpu_reset(CPUState *s)
+static void mb_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     MicroBlazeCPU *cpu = MICROBLAZE_CPU(s);
     MicroBlazeCPUClass *mcc = MICROBLAZE_CPU_GET_CLASS(cpu);
     CPUMBState *env = &cpu->env;
 
-    mcc->parent_reset(s);
+    mcc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUMBState, end_reset_fields));
     env->res_addr = RES_ADDR_NONE;
@@ -292,7 +292,7 @@ static void mb_cpu_class_init(ObjectClass *oc, void *data)
 
     device_class_set_parent_realize(dc, mb_cpu_realizefn,
                                     &mcc->parent_realize);
-    cpu_class_set_parent_reset(cc, mb_cpu_reset, &mcc->parent_reset);
+    device_class_set_parent_reset(dc, mb_cpu_reset, &mcc->parent_reset);
 
     cc->class_by_name = mb_cpu_class_by_name;
     cc->has_work = mb_cpu_has_work;
diff --git a/target/mips/cpu-qom.h b/target/mips/cpu-qom.h
index a430c0fe4b..9d0df6c034 100644
--- a/target/mips/cpu-qom.h
+++ b/target/mips/cpu-qom.h
@@ -48,7 +48,7 @@ typedef struct MIPSCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
     const struct mips_def_t *cpu_def;
 } MIPSCPUClass;
 
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index 6cd6b9650b..e86cd06548 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -96,14 +96,14 @@ static bool mips_cpu_has_work(CPUState *cs)
     return has_work;
 }
 
-/* CPUClass::reset() */
-static void mips_cpu_reset(CPUState *s)
+static void mips_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     MIPSCPU *cpu = MIPS_CPU(s);
     MIPSCPUClass *mcc = MIPS_CPU_GET_CLASS(cpu);
     CPUMIPSState *env = &cpu->env;
 
-    mcc->parent_reset(s);
+    mcc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUMIPSState, end_reset_fields));
 
@@ -189,7 +189,7 @@ static void mips_cpu_class_init(ObjectClass *c, void *data)
 
     device_class_set_parent_realize(dc, mips_cpu_realizefn,
                                     &mcc->parent_realize);
-    cpu_class_set_parent_reset(cc, mips_cpu_reset, &mcc->parent_reset);
+    device_class_set_parent_reset(dc, mips_cpu_reset, &mcc->parent_reset);
 
     cc->class_by_name = mips_cpu_class_by_name;
     cc->has_work = mips_cpu_has_work;
diff --git a/target/moxie/cpu.c b/target/moxie/cpu.c
index cf47bc709b..6e0443ccb7 100644
--- a/target/moxie/cpu.c
+++ b/target/moxie/cpu.c
@@ -35,13 +35,14 @@ static bool moxie_cpu_has_work(CPUState *cs)
     return cs->interrupt_request & CPU_INTERRUPT_HARD;
 }
 
-static void moxie_cpu_reset(CPUState *s)
+static void moxie_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     MoxieCPU *cpu = MOXIE_CPU(s);
     MoxieCPUClass *mcc = MOXIE_CPU_GET_CLASS(cpu);
     CPUMoxieState *env = &cpu->env;
 
-    mcc->parent_reset(s);
+    mcc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUMoxieState, end_reset_fields));
     env->pc = 0x1000;
@@ -101,7 +102,7 @@ static void moxie_cpu_class_init(ObjectClass *oc, void *data)
 
     device_class_set_parent_realize(dc, moxie_cpu_realizefn,
                                     &mcc->parent_realize);
-    cpu_class_set_parent_reset(cc, moxie_cpu_reset, &mcc->parent_reset);
+    device_class_set_parent_reset(dc, moxie_cpu_reset, &mcc->parent_reset);
 
     cc->class_by_name = moxie_cpu_class_by_name;
 
diff --git a/target/moxie/cpu.h b/target/moxie/cpu.h
index 01dca548e5..455553b794 100644
--- a/target/moxie/cpu.h
+++ b/target/moxie/cpu.h
@@ -69,7 +69,7 @@ typedef struct MoxieCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } MoxieCPUClass;
 
 /**
diff --git a/target/nios2/cpu.c b/target/nios2/cpu.c
index 1c0c855a6f..0a4075949e 100644
--- a/target/nios2/cpu.c
+++ b/target/nios2/cpu.c
@@ -39,9 +39,9 @@ static bool nios2_cpu_has_work(CPUState *cs)
     return cs->interrupt_request & (CPU_INTERRUPT_HARD | CPU_INTERRUPT_NMI);
 }
 
-/* CPUClass::reset() */
-static void nios2_cpu_reset(CPUState *cs)
+static void nios2_cpu_reset(DeviceState *dev)
 {
+    CPUState *cs = CPU(dev);
     Nios2CPU *cpu = NIOS2_CPU(cs);
     Nios2CPUClass *ncc = NIOS2_CPU_GET_CLASS(cpu);
     CPUNios2State *env = &cpu->env;
@@ -51,7 +51,7 @@ static void nios2_cpu_reset(CPUState *cs)
         log_cpu_state(cs, 0);
     }
 
-    ncc->parent_reset(cs);
+    ncc->parent_reset(dev);
 
     memset(env->regs, 0, sizeof(uint32_t) * NUM_CORE_REGS);
     env->regs[R_PC] = cpu->reset_addr;
@@ -188,7 +188,7 @@ static void nios2_cpu_class_init(ObjectClass *oc, void *data)
     device_class_set_parent_realize(dc, nios2_cpu_realizefn,
                                     &ncc->parent_realize);
     device_class_set_props(dc, nios2_properties);
-    cpu_class_set_parent_reset(cc, nios2_cpu_reset, &ncc->parent_reset);
+    device_class_set_parent_reset(dc, nios2_cpu_reset, &ncc->parent_reset);
 
     cc->class_by_name = nios2_cpu_class_by_name;
     cc->has_work = nios2_cpu_has_work;
diff --git a/target/nios2/cpu.h b/target/nios2/cpu.h
index 78f633f970..4dddf9c3a1 100644
--- a/target/nios2/cpu.h
+++ b/target/nios2/cpu.h
@@ -50,7 +50,7 @@ typedef struct Nios2CPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } Nios2CPUClass;
 
 #define TARGET_HAS_ICE 1
diff --git a/target/openrisc/cpu.c b/target/openrisc/cpu.c
index 5cd04dafab..5528c0918f 100644
--- a/target/openrisc/cpu.c
+++ b/target/openrisc/cpu.c
@@ -41,13 +41,13 @@ static void openrisc_disas_set_info(CPUState *cpu, disassemble_info *info)
     info->print_insn = print_insn_or1k;
 }
 
-/* CPUClass::reset() */
-static void openrisc_cpu_reset(CPUState *s)
+static void openrisc_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     OpenRISCCPU *cpu = OPENRISC_CPU(s);
     OpenRISCCPUClass *occ = OPENRISC_CPU_GET_CLASS(cpu);
 
-    occ->parent_reset(s);
+    occ->parent_reset(dev);
 
     memset(&cpu->env, 0, offsetof(CPUOpenRISCState, end_reset_fields));
 
@@ -150,7 +150,7 @@ static void openrisc_cpu_class_init(ObjectClass *oc, void *data)
 
     device_class_set_parent_realize(dc, openrisc_cpu_realizefn,
                                     &occ->parent_realize);
-    cpu_class_set_parent_reset(cc, openrisc_cpu_reset, &occ->parent_reset);
+    device_class_set_parent_reset(dc, openrisc_cpu_reset, &occ->parent_reset);
 
     cc->class_by_name = openrisc_cpu_class_by_name;
     cc->has_work = openrisc_cpu_has_work;
diff --git a/target/openrisc/cpu.h b/target/openrisc/cpu.h
index 0ad02eab79..e7fb06445e 100644
--- a/target/openrisc/cpu.h
+++ b/target/openrisc/cpu.h
@@ -48,7 +48,7 @@ typedef struct OpenRISCCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } OpenRISCCPUClass;
 
 #define TARGET_INSN_START_EXTRA_WORDS 1
diff --git a/target/ppc/cpu-qom.h b/target/ppc/cpu-qom.h
index e499575dc8..b528131761 100644
--- a/target/ppc/cpu-qom.h
+++ b/target/ppc/cpu-qom.h
@@ -166,7 +166,7 @@ typedef struct PowerPCCPUClass {
 
     DeviceRealize parent_realize;
     DeviceUnrealize parent_unrealize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
     void (*parent_parse_features)(const char *type, char *str, Error **errp);
 
     uint32_t pvr;
diff --git a/target/ppc/translate_init.inc.c b/target/ppc/translate_init.inc.c
index 53995f62ea..7e9780e875 100644
--- a/target/ppc/translate_init.inc.c
+++ b/target/ppc/translate_init.inc.c
@@ -10669,16 +10669,16 @@ static bool ppc_cpu_has_work(CPUState *cs)
     return msr_ee && (cs->interrupt_request & CPU_INTERRUPT_HARD);
 }
 
-/* CPUClass::reset() */
-static void ppc_cpu_reset(CPUState *s)
+static void ppc_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     PowerPCCPU *cpu = POWERPC_CPU(s);
     PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
     CPUPPCState *env = &cpu->env;
     target_ulong msr;
     int i;
 
-    pcc->parent_reset(s);
+    pcc->parent_reset(dev);
 
     msr = (target_ulong)0;
     msr |= (target_ulong)MSR_HVB;
@@ -10885,7 +10885,7 @@ static void ppc_cpu_class_init(ObjectClass *oc, void *data)
     pcc->interrupts_big_endian = ppc_cpu_interrupts_big_endian_always;
     device_class_set_props(dc, ppc_cpu_properties);
 
-    cpu_class_set_parent_reset(cc, ppc_cpu_reset, &pcc->parent_reset);
+    device_class_set_parent_reset(dc, ppc_cpu_reset, &pcc->parent_reset);
 
     cc->class_by_name = ppc_cpu_class_by_name;
     pcc->parent_parse_features = cc->parse_features;
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index c0b7023100..4e578239d3 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -330,13 +330,14 @@ void restore_state_to_opc(CPURISCVState *env, TranslationBlock *tb,
     env->pc = data[0];
 }
 
-static void riscv_cpu_reset(CPUState *cs)
+static void riscv_cpu_reset(DeviceState *dev)
 {
+    CPUState *cs = CPU(dev);
     RISCVCPU *cpu = RISCV_CPU(cs);
     RISCVCPUClass *mcc = RISCV_CPU_GET_CLASS(cpu);
     CPURISCVState *env = &cpu->env;
 
-    mcc->parent_reset(cs);
+    mcc->parent_reset(dev);
 #ifndef CONFIG_USER_ONLY
     env->priv = PRV_M;
     env->mstatus &= ~(MSTATUS_MIE | MSTATUS_MPRV);
@@ -511,7 +512,7 @@ static void riscv_cpu_class_init(ObjectClass *c, void *data)
     device_class_set_parent_realize(dc, riscv_cpu_realize,
                                     &mcc->parent_realize);
 
-    cpu_class_set_parent_reset(cc, riscv_cpu_reset, &mcc->parent_reset);
+    device_class_set_parent_reset(dc, riscv_cpu_reset, &mcc->parent_reset);
 
     cc->class_by_name = riscv_cpu_class_by_name;
     cc->has_work = riscv_cpu_has_work;
diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h
index 3dcdf92227..078fc83959 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -234,7 +234,7 @@ typedef struct RISCVCPUClass {
     CPUClass parent_class;
     /*< public >*/
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } RISCVCPUClass;
 
 /**
diff --git a/target/s390x/cpu-qom.h b/target/s390x/cpu-qom.h
index dbe5346ec9..1630818c28 100644
--- a/target/s390x/cpu-qom.h
+++ b/target/s390x/cpu-qom.h
@@ -61,7 +61,7 @@ typedef struct S390CPUClass {
     const char *desc;
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
     void (*load_normal)(CPUState *cpu);
     void (*reset)(CPUState *cpu, cpu_reset_type type);
 } S390CPUClass;
diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index 3dd396e870..427a46e3e1 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -96,8 +96,9 @@ static void s390_cpu_reset(CPUState *s, cpu_reset_type type)
     S390CPU *cpu = S390_CPU(s);
     S390CPUClass *scc = S390_CPU_GET_CLASS(cpu);
     CPUS390XState *env = &cpu->env;
+    DeviceState *dev = DEVICE(s);
 
-    scc->parent_reset(s);
+    scc->parent_reset(dev);
     cpu->env.sigp_order = 0;
     s390_cpu_set_state(S390_CPU_STATE_STOPPED, cpu);
 
@@ -450,8 +451,9 @@ static Property s390x_cpu_properties[] = {
     DEFINE_PROP_END_OF_LIST()
 };
 
-static void s390_cpu_reset_full(CPUState *s)
+static void s390_cpu_reset_full(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     return s390_cpu_reset(s, S390_CPU_RESET_CLEAR);
 }
 
@@ -466,7 +468,7 @@ static void s390_cpu_class_init(ObjectClass *oc, void *data)
     device_class_set_props(dc, s390x_cpu_properties);
     dc->user_creatable = true;
 
-    cpu_class_set_parent_reset(cc, s390_cpu_reset_full, &scc->parent_reset);
+    device_class_set_parent_reset(dc, s390_cpu_reset_full, &scc->parent_reset);
 #if !defined(CONFIG_USER_ONLY)
     scc->load_normal = s390_cpu_load_normal;
 #endif
diff --git a/target/sh4/cpu-qom.h b/target/sh4/cpu-qom.h
index 0c56d055ba..72a63f3fd3 100644
--- a/target/sh4/cpu-qom.h
+++ b/target/sh4/cpu-qom.h
@@ -51,7 +51,7 @@ typedef struct SuperHCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 
     uint32_t pvr;
     uint32_t prr;
diff --git a/target/sh4/cpu.c b/target/sh4/cpu.c
index 70c8d8170f..3c68021c56 100644
--- a/target/sh4/cpu.c
+++ b/target/sh4/cpu.c
@@ -47,14 +47,14 @@ static bool superh_cpu_has_work(CPUState *cs)
     return cs->interrupt_request & CPU_INTERRUPT_HARD;
 }
 
-/* CPUClass::reset() */
-static void superh_cpu_reset(CPUState *s)
+static void superh_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     SuperHCPU *cpu = SUPERH_CPU(s);
     SuperHCPUClass *scc = SUPERH_CPU_GET_CLASS(cpu);
     CPUSH4State *env = &cpu->env;
 
-    scc->parent_reset(s);
+    scc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUSH4State, end_reset_fields));
 
@@ -214,7 +214,7 @@ static void superh_cpu_class_init(ObjectClass *oc, void *data)
     device_class_set_parent_realize(dc, superh_cpu_realizefn,
                                     &scc->parent_realize);
 
-    cpu_class_set_parent_reset(cc, superh_cpu_reset, &scc->parent_reset);
+    device_class_set_parent_reset(dc, superh_cpu_reset, &scc->parent_reset);
 
     cc->class_by_name = superh_cpu_class_by_name;
     cc->has_work = superh_cpu_has_work;
diff --git a/target/sparc/cpu-qom.h b/target/sparc/cpu-qom.h
index 7442e2768e..8b4d33c21e 100644
--- a/target/sparc/cpu-qom.h
+++ b/target/sparc/cpu-qom.h
@@ -49,7 +49,7 @@ typedef struct SPARCCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
     sparc_def_t *cpu_def;
 } SPARCCPUClass;
 
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
index eeaecbd8d6..3f05aba9d6 100644
--- a/target/sparc/cpu.c
+++ b/target/sparc/cpu.c
@@ -28,14 +28,14 @@
 
 //#define DEBUG_FEATURES
 
-/* CPUClass::reset() */
-static void sparc_cpu_reset(CPUState *s)
+static void sparc_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     SPARCCPU *cpu = SPARC_CPU(s);
     SPARCCPUClass *scc = SPARC_CPU_GET_CLASS(cpu);
     CPUSPARCState *env = &cpu->env;
 
-    scc->parent_reset(s);
+    scc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUSPARCState, end_reset_fields));
     env->cwp = 0;
@@ -859,7 +859,7 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data)
                                     &scc->parent_realize);
     device_class_set_props(dc, sparc_cpu_properties);
 
-    cpu_class_set_parent_reset(cc, sparc_cpu_reset, &scc->parent_reset);
+    device_class_set_parent_reset(dc, sparc_cpu_reset, &scc->parent_reset);
 
     cc->class_by_name = sparc_cpu_class_by_name;
     cc->parse_features = sparc_cpu_parse_features;
diff --git a/target/tilegx/cpu.c b/target/tilegx/cpu.c
index cd422a0467..1fee87c094 100644
--- a/target/tilegx/cpu.c
+++ b/target/tilegx/cpu.c
@@ -68,13 +68,14 @@ static bool tilegx_cpu_has_work(CPUState *cs)
     return true;
 }
 
-static void tilegx_cpu_reset(CPUState *s)
+static void tilegx_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     TileGXCPU *cpu = TILEGX_CPU(s);
     TileGXCPUClass *tcc = TILEGX_CPU_GET_CLASS(cpu);
     CPUTLGState *env = &cpu->env;
 
-    tcc->parent_reset(s);
+    tcc->parent_reset(dev);
 
     memset(env, 0, offsetof(CPUTLGState, end_reset_fields));
 }
@@ -142,7 +143,7 @@ static void tilegx_cpu_class_init(ObjectClass *oc, void *data)
     device_class_set_parent_realize(dc, tilegx_cpu_realizefn,
                                     &tcc->parent_realize);
 
-    cpu_class_set_parent_reset(cc, tilegx_cpu_reset, &tcc->parent_reset);
+    device_class_set_parent_reset(dc, tilegx_cpu_reset, &tcc->parent_reset);
 
     cc->class_by_name = tilegx_cpu_class_by_name;
     cc->has_work = tilegx_cpu_has_work;
diff --git a/target/tilegx/cpu.h b/target/tilegx/cpu.h
index 9cbec247d2..193b6bbccb 100644
--- a/target/tilegx/cpu.h
+++ b/target/tilegx/cpu.h
@@ -118,7 +118,7 @@ typedef struct TileGXCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } TileGXCPUClass;
 
 /**
diff --git a/target/tricore/cpu-qom.h b/target/tricore/cpu-qom.h
index 7c1e130b4e..cd819e6f24 100644
--- a/target/tricore/cpu-qom.h
+++ b/target/tricore/cpu-qom.h
@@ -36,7 +36,7 @@ typedef struct TriCoreCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 } TriCoreCPUClass;
 
 typedef struct TriCoreCPU TriCoreCPU;
diff --git a/target/tricore/cpu.c b/target/tricore/cpu.c
index 85bc9f03a1..743b404a95 100644
--- a/target/tricore/cpu.c
+++ b/target/tricore/cpu.c
@@ -53,13 +53,14 @@ static void tricore_cpu_synchronize_from_tb(CPUState *cs,
     env->PC = tb->pc;
 }
 
-static void tricore_cpu_reset(CPUState *s)
+static void tricore_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     TriCoreCPU *cpu = TRICORE_CPU(s);
     TriCoreCPUClass *tcc = TRICORE_CPU_GET_CLASS(cpu);
     CPUTriCoreState *env = &cpu->env;
 
-    tcc->parent_reset(s);
+    tcc->parent_reset(dev);
 
     cpu_state_reset(env);
 }
@@ -153,7 +154,7 @@ static void tricore_cpu_class_init(ObjectClass *c, void *data)
     device_class_set_parent_realize(dc, tricore_cpu_realizefn,
                                     &mcc->parent_realize);
 
-    cpu_class_set_parent_reset(cc, tricore_cpu_reset, &mcc->parent_reset);
+    device_class_set_parent_reset(dc, tricore_cpu_reset, &mcc->parent_reset);
     cc->class_by_name = tricore_cpu_class_by_name;
     cc->has_work = tricore_cpu_has_work;
 
diff --git a/target/xtensa/cpu-qom.h b/target/xtensa/cpu-qom.h
index 9ac54241bd..3ea93ce1f9 100644
--- a/target/xtensa/cpu-qom.h
+++ b/target/xtensa/cpu-qom.h
@@ -56,7 +56,7 @@ typedef struct XtensaCPUClass {
     /*< public >*/
 
     DeviceRealize parent_realize;
-    void (*parent_reset)(CPUState *cpu);
+    DeviceReset parent_reset;
 
     const XtensaConfig *config;
 } XtensaCPUClass;
diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index 4856aee8ec..82c2ee0679 100644
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -67,14 +67,14 @@ bool xtensa_abi_call0(void)
 }
 #endif
 
-/* CPUClass::reset() */
-static void xtensa_cpu_reset(CPUState *s)
+static void xtensa_cpu_reset(DeviceState *dev)
 {
+    CPUState *s = CPU(dev);
     XtensaCPU *cpu = XTENSA_CPU(s);
     XtensaCPUClass *xcc = XTENSA_CPU_GET_CLASS(cpu);
     CPUXtensaState *env = &cpu->env;
 
-    xcc->parent_reset(s);
+    xcc->parent_reset(dev);
 
     env->exception_taken = 0;
     env->pc = env->config->exception_vector[EXC_RESET0 + env->static_vectors];
@@ -184,7 +184,7 @@ static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
     device_class_set_parent_realize(dc, xtensa_cpu_realizefn,
                                     &xcc->parent_realize);
 
-    cpu_class_set_parent_reset(cc, xtensa_cpu_reset, &xcc->parent_reset);
+    device_class_set_parent_reset(dc, xtensa_cpu_reset, &xcc->parent_reset);
 
     cc->class_by_name = xtensa_cpu_class_by_name;
     cc->has_work = xtensa_cpu_has_work;