[RFC,qom-cpu-next,8/9] cpu: Replace do_interrupt() by CPUClass::do_interrupt method

diff --git a/cpu-exec.c b/cpu-exec.c
index 191a19b..c823f2a 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -185,6 +185,10 @@  volatile sig_atomic_t exit_request;
 int cpu_exec(CPUArchState *env)
 {
     CPUState *cpu = ENV_GET_CPU(env);
+#if !(defined(CONFIG_USER_ONLY) && \
+      (defined(TARGET_M68K) || defined(TARGET_PPC) || defined(TARGET_S390X)))
+    CPUClass *cc = CPU_GET_CLASS(cpu);
+#endif
     int ret, interrupt_request;
     TranslationBlock *tb;
     uint8_t *tc_ptr;
@@ -252,12 +256,12 @@  int cpu_exec(CPUArchState *env)
                        which will be handled outside the cpu execution
                        loop */
 #if defined(TARGET_I386)
-                    do_interrupt(env);
+                    cc->do_interrupt(cpu);
 #endif
                     ret = env->exception_index;
                     break;
 #else
-                    do_interrupt(env);
+                    cc->do_interrupt(cpu);
                     env->exception_index = -1;
 #endif
                 }
@@ -367,7 +371,7 @@  int cpu_exec(CPUArchState *env)
                     if ((interrupt_request & CPU_INTERRUPT_HARD)
                         && (env->ie & IE_IE)) {
                         env->exception_index = EXCP_IRQ;
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
 #elif defined(TARGET_MICROBLAZE)
@@ -376,7 +380,7 @@  int cpu_exec(CPUArchState *env)
                         && !(env->sregs[SR_MSR] & (MSR_EIP | MSR_BIP))
                         && !(env->iflags & (D_FLAG | IMM_FLAG))) {
                         env->exception_index = EXCP_IRQ;
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
 #elif defined(TARGET_MIPS)
@@ -385,7 +389,7 @@  int cpu_exec(CPUArchState *env)
                         /* Raise it */
                         env->exception_index = EXCP_EXT_INTERRUPT;
                         env->error_code = 0;
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
 #elif defined(TARGET_OPENRISC)
@@ -401,7 +405,7 @@  int cpu_exec(CPUArchState *env)
                         }
                         if (idx >= 0) {
                             env->exception_index = idx;
-                            do_interrupt(env);
+                            cc->do_interrupt(cpu);
                             next_tb = 0;
                         }
                     }
@@ -416,7 +420,7 @@  int cpu_exec(CPUArchState *env)
                                   cpu_pil_allowed(env, pil)) ||
                                   type != TT_EXTINT) {
                                 env->exception_index = env->interrupt_index;
-                                do_interrupt(env);
+                                cc->do_interrupt(cpu);
                                 next_tb = 0;
                             }
                         }
@@ -425,7 +429,7 @@  int cpu_exec(CPUArchState *env)
                     if (interrupt_request & CPU_INTERRUPT_FIQ
                         && !(env->uncached_cpsr & CPSR_F)) {
                         env->exception_index = EXCP_FIQ;
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
                     /* ARMv7-M interrupt return works by loading a magic value
@@ -441,19 +445,19 @@  int cpu_exec(CPUArchState *env)
                         && ((IS_M(env) && env->regs[15] < 0xfffffff0)
                             || !(env->uncached_cpsr & CPSR_I))) {
                         env->exception_index = EXCP_IRQ;
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
 #elif defined(TARGET_UNICORE32)
                     if (interrupt_request & CPU_INTERRUPT_HARD
                         && !(env->uncached_asr & ASR_I)) {
                         env->exception_index = UC32_EXCP_INTR;
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
 #elif defined(TARGET_SH4)
                     if (interrupt_request & CPU_INTERRUPT_HARD) {
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
 #elif defined(TARGET_ALPHA)
@@ -484,7 +488,7 @@  int cpu_exec(CPUArchState *env)
                         if (idx >= 0) {
                             env->exception_index = idx;
                             env->error_code = 0;
-                            do_interrupt(env);
+                            cc->do_interrupt(cpu);
                             next_tb = 0;
                         }
                     }
@@ -493,7 +497,7 @@  int cpu_exec(CPUArchState *env)
                         && (env->pregs[PR_CCS] & I_FLAG)
                         && !env->locked_irq) {
                         env->exception_index = EXCP_IRQ;
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
                     if (interrupt_request & CPU_INTERRUPT_NMI) {
@@ -505,7 +509,7 @@  int cpu_exec(CPUArchState *env)
                         }
                         if ((env->pregs[PR_CCS] & m_flag_archval)) {
                             env->exception_index = EXCP_NMI;
-                            do_interrupt(env);
+                            cc->do_interrupt(cpu);
                             next_tb = 0;
                         }
                     }
@@ -525,13 +529,13 @@  int cpu_exec(CPUArchState *env)
 #elif defined(TARGET_S390X) && !defined(CONFIG_USER_ONLY)
                     if ((interrupt_request & CPU_INTERRUPT_HARD) &&
                         (env->psw.mask & PSW_MASK_EXT)) {
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
 #elif defined(TARGET_XTENSA)
                     if (interrupt_request & CPU_INTERRUPT_HARD) {
                         env->exception_index = EXC_IRQ;
-                        do_interrupt(env);
+                        cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
 #endif
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 1f8f2cf..10a2ad9 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -44,6 +44,7 @@  typedef struct CPUState CPUState;
  * @class_by_name: Callback to map -cpu command line model name to an
  * instantiatable CPU type.
  * @reset: Callback to reset the #CPUState to its initial state.
+ * @do_interrupt: Callback for interrupt handling.
  *
  * Represents a CPU family or model.
  */
@@ -55,6 +56,7 @@  typedef struct CPUClass {
     ObjectClass *(*class_by_name)(const char *cpu_model);
 
     void (*reset)(CPUState *cpu);
+    void (*do_interrupt)(CPUState *cpu);
 } CPUClass;
 
 struct KVMState;
diff --git a/target-alpha/cpu-qom.h b/target-alpha/cpu-qom.h
index c0f6c6d..4198cdd 100644
--- a/target-alpha/cpu-qom.h
+++ b/target-alpha/cpu-qom.h
@@ -72,5 +72,7 @@  static inline AlphaCPU *alpha_env_get_cpu(CPUAlphaState *env)
 
 #define ENV_GET_CPU(e) CPU(alpha_env_get_cpu(e))
 
+void alpha_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-alpha/cpu.c b/target-alpha/cpu.c
index cec9989..cad1716 100644
--- a/target-alpha/cpu.c
+++ b/target-alpha/cpu.c
@@ -263,6 +263,7 @@  static void alpha_cpu_class_init(ObjectClass *oc, void *data)
     dc->realize = alpha_cpu_realizefn;
 
     cc->class_by_name = alpha_cpu_class_by_name;
+    cc->do_interrupt = alpha_cpu_do_interrupt;
 }
 
 static const TypeInfo alpha_cpu_type_info = {
diff --git a/target-alpha/cpu.h b/target-alpha/cpu.h
index 90f78ac..2156a1e 100644
--- a/target-alpha/cpu.h
+++ b/target-alpha/cpu.h
@@ -449,7 +449,6 @@  int cpu_alpha_signal_handler(int host_signum, void *pinfo,
 int cpu_alpha_handle_mmu_fault (CPUAlphaState *env, uint64_t address, int rw,
                                 int mmu_idx);
 #define cpu_handle_mmu_fault cpu_alpha_handle_mmu_fault
-void do_interrupt (CPUAlphaState *env);
 void do_restore_state(CPUAlphaState *, uintptr_t retaddr);
 void QEMU_NORETURN dynamic_excp(CPUAlphaState *, uintptr_t, int, int);
 void QEMU_NORETURN arith_excp(CPUAlphaState *, uintptr_t, int, uint64_t);
diff --git a/target-alpha/helper.c b/target-alpha/helper.c
index 22c9c6e..5741ec2 100644
--- a/target-alpha/helper.c
+++ b/target-alpha/helper.c
@@ -345,8 +345,10 @@  int cpu_alpha_handle_mmu_fault(CPUAlphaState *env, target_ulong addr, int rw,
 }
 #endif /* USER_ONLY */
 
-void do_interrupt (CPUAlphaState *env)
+void alpha_cpu_do_interrupt(CPUState *cs)
 {
+    AlphaCPU *cpu = ALPHA_CPU(cs);
+    CPUAlphaState *env = &cpu->env;
     int i = env->exception_index;
 
     if (qemu_loglevel_mask(CPU_LOG_INT)) {
diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h
index aff7bf3..a2cd047 100644
--- a/target-arm/cpu-qom.h
+++ b/target-arm/cpu-qom.h
@@ -111,4 +111,6 @@  static inline ARMCPU *arm_env_get_cpu(CPUARMState *env)
 
 void register_cp_regs_for_features(ARMCPU *cpu);
 
+void arm_cpu_do_interrupt(CPUState *cpu);
+
 #endif
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 5dfcb74..aeaa3b7 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -802,6 +802,7 @@  static void arm_cpu_class_init(ObjectClass *oc, void *data)
     cc->reset = arm_cpu_reset;
 
     cc->class_by_name = arm_cpu_class_by_name;
+    cc->do_interrupt = arm_cpu_do_interrupt;
 }
 
 static void cpu_register(const ARMCPUInfo *info)
diff --git a/target-arm/cpu.h b/target-arm/cpu.h
index 7c47467..971a2d8 100644
--- a/target-arm/cpu.h
+++ b/target-arm/cpu.h
@@ -236,7 +236,6 @@  ARMCPU *cpu_arm_init(const char *cpu_model);
 void arm_translate_init(void);
 void arm_cpu_register_gdb_regs_for_features(ARMCPU *cpu);
 int cpu_arm_exec(CPUARMState *s);
-void do_interrupt(CPUARMState *);
 void switch_mode(CPUARMState *, int);
 uint32_t do_arm_semihosting(CPUARMState *env);
 
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 543d091..7b3e943 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1567,8 +1567,11 @@  uint32_t HELPER(rbit)(uint32_t x)
 
 #if defined(CONFIG_USER_ONLY)
 
-void do_interrupt (CPUARMState *env)
+void arm_cpu_do_interrupt(CPUState *cs)
 {
+    ARMCPU *cpu = ARM_CPU(cs);
+    CPUARMState *env = &cpu->env;
+
     env->exception_index = -1;
 }
 
@@ -1800,9 +1803,10 @@  static void do_interrupt_v7m(CPUARMState *env)
 }
 
 /* Handle a CPU exception.  */
-void do_interrupt(CPUARMState *env)
+void arm_cpu_do_interrupt(CPUState *cs)
 {
-    CPUState *cs;
+    ARMCPU *cpu = ARM_CPU(cs);
+    CPUARMState *env = &cpu->env;
     uint32_t addr;
     uint32_t mask;
     int new_mode;
@@ -1909,7 +1913,6 @@  void do_interrupt(CPUARMState *env)
     }
     env->regs[14] = env->regs[15] + offset;
     env->regs[15] = addr;
-    cs = CPU(arm_env_get_cpu(env));
     cs->interrupt_request |= CPU_INTERRUPT_EXITTB;
 }
 
diff --git a/target-cris/cpu-qom.h b/target-cris/cpu-qom.h
index 7ad8398..528ba4b 100644
--- a/target-cris/cpu-qom.h
+++ b/target-cris/cpu-qom.h
@@ -68,5 +68,7 @@  static inline CRISCPU *cris_env_get_cpu(CPUCRISState *env)
 
 #define ENV_GET_CPU(e) CPU(cris_env_get_cpu(e))
 
+void cris_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-cris/cpu.c b/target-cris/cpu.c
index 0bcc139..e4aa050 100644
--- a/target-cris/cpu.c
+++ b/target-cris/cpu.c
@@ -97,6 +97,8 @@  static void cris_cpu_class_init(ObjectClass *oc, void *data)
 
     ccc->parent_reset = cc->reset;
     cc->reset = cris_cpu_reset;
+
+    cc->do_interrupt = cris_cpu_do_interrupt;
 }
 
 static const TypeInfo cris_cpu_type_info = {
diff --git a/target-cris/cpu.h b/target-cris/cpu.h
index 2fc7c5c..dbd7d36 100644
--- a/target-cris/cpu.h
+++ b/target-cris/cpu.h
@@ -175,7 +175,6 @@  typedef struct CPUCRISState {
 
 CRISCPU *cpu_cris_init(const char *cpu_model);
 int cpu_cris_exec(CPUCRISState *s);
-void do_interrupt(CPUCRISState *env);
 /* you can call this signal handler from your SIGBUS and SIGSEGV
    signal handlers to inform the virtual CPU of exceptions. non zero
    is returned if the signal was handled by the virtual CPU.  */
diff --git a/target-cris/helper.c b/target-cris/helper.c
index 51c9a9f..bee774c 100644
--- a/target-cris/helper.c
+++ b/target-cris/helper.c
@@ -36,8 +36,11 @@ 
 
 #if defined(CONFIG_USER_ONLY)
 
-void do_interrupt(CPUCRISState *env)
+void cris_cpu_do_interrupt(CPUState *cs)
 {
+    CRISCPU *cpu = CRIS_CPU(cs);
+    CPUCRISState *env = &cpu->env;
+
     env->exception_index = -1;
     env->pregs[PR_ERP] = env->pc;
 }
@@ -162,9 +165,10 @@  static void do_interruptv10(CPUCRISState *env)
                   env->pregs[PR_ERP]);
 }
 
-void do_interrupt(CPUCRISState *env)
+void cris_cpu_do_interrupt(CPUState *cs)
 {
-    D(CPUState *cpu = CPU(cris_env_get_cpu(env)));
+    CRISCPU *cpu = CRIS_CPU(cs);
+    CPUCRISState *env = &cpu->env;
     int ex_vec = -1;
 
     if (env->pregs[PR_VR] < 32) {
@@ -173,7 +177,7 @@  void do_interrupt(CPUCRISState *env)
 
     D_LOG("exception index=%d interrupt_req=%d\n",
           env->exception_index,
-          cpu->interrupt_request);
+          cs->interrupt_request);
 
     switch (env->exception_index) {
     case EXCP_BREAK:
diff --git a/target-i386/cpu-qom.h b/target-i386/cpu-qom.h
index 48e6b54..f7383b9 100644
--- a/target-i386/cpu-qom.h
+++ b/target-i386/cpu-qom.h
@@ -74,5 +74,11 @@  static inline X86CPU *x86_env_get_cpu(CPUX86State *env)
 
 #define ENV_GET_CPU(e) CPU(x86_env_get_cpu(e))
 
+/**
+ * x86_cpu_do_interrupt:
+ * @cpu: vCPU the interrupt is to be handled by.
+ */
+void x86_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index b892da0..edf6c70 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -2215,6 +2215,8 @@  static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
 
     xcc->parent_reset = cc->reset;
     cc->reset = x86_cpu_reset;
+
+    cc->do_interrupt = x86_cpu_do_interrupt;
 }
 
 static const TypeInfo x86_cpu_type_info = {
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 40cf246..a1eac0a 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -1243,8 +1243,7 @@  void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type,
                                    uint64_t param);
 void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1);
 
-/* op_helper.c */
-void do_interrupt(CPUX86State *env);
+/* seg_helper.c */
 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw);
 
 void do_smm_enter(CPUX86State *env1);
diff --git a/target-i386/seg_helper.c b/target-i386/seg_helper.c
index 3247dee..906e4f3 100644
--- a/target-i386/seg_helper.c
+++ b/target-i386/seg_helper.c
@@ -1231,8 +1231,11 @@  static void do_interrupt_all(CPUX86State *env, int intno, int is_int,
 #endif
 }
 
-void do_interrupt(CPUX86State *env)
+void x86_cpu_do_interrupt(CPUState *cs)
 {
+    X86CPU *cpu = X86_CPU(cs);
+    CPUX86State *env = &cpu->env;
+
 #if defined(CONFIG_USER_ONLY)
     /* if user mode only, we simulate a fake exception
        which will be handled outside the cpu execution
diff --git a/target-lm32/cpu-qom.h b/target-lm32/cpu-qom.h
index d7525b3..f938ba4 100644
--- a/target-lm32/cpu-qom.h
+++ b/target-lm32/cpu-qom.h
@@ -69,5 +69,7 @@  static inline LM32CPU *lm32_env_get_cpu(CPULM32State *env)
 
 #define ENV_GET_CPU(e) CPU(lm32_env_get_cpu(e))
 
+void lm32_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-lm32/cpu.c b/target-lm32/cpu.c
index a2badb5..a4692b7 100644
--- a/target-lm32/cpu.c
+++ b/target-lm32/cpu.c
@@ -83,6 +83,8 @@  static void lm32_cpu_class_init(ObjectClass *oc, void *data)
 
     lcc->parent_reset = cc->reset;
     cc->reset = lm32_cpu_reset;
+
+    cc->do_interrupt = lm32_cpu_do_interrupt;
 }
 
 static const TypeInfo lm32_cpu_type_info = {
diff --git a/target-lm32/cpu.h b/target-lm32/cpu.h
index d81f103..1be9778 100644
--- a/target-lm32/cpu.h
+++ b/target-lm32/cpu.h
@@ -189,7 +189,6 @@  struct CPULM32State {
 LM32CPU *cpu_lm32_init(const char *cpu_model);
 void cpu_lm32_list(FILE *f, fprintf_function cpu_fprintf);
 int cpu_lm32_exec(CPULM32State *s);
-void do_interrupt(CPULM32State *env);
 /* you can call this signal handler from your SIGBUS and SIGSEGV
    signal handlers to inform the virtual CPU of exceptions. non zero
    is returned if the signal was handled by the virtual CPU.  */
diff --git a/target-lm32/helper.c b/target-lm32/helper.c
index 47ae7e7..a0a8399 100644
--- a/target-lm32/helper.c
+++ b/target-lm32/helper.c
@@ -42,8 +42,11 @@  hwaddr cpu_get_phys_page_debug(CPULM32State *env, target_ulong addr)
     return addr & TARGET_PAGE_MASK;
 }
 
-void do_interrupt(CPULM32State *env)
+void lm32_cpu_do_interrupt(CPUState *cs)
 {
+    LM32CPU *cpu = LM32_CPU(cs);
+    CPULM32State *env = &cpu->env;
+
     qemu_log_mask(CPU_LOG_INT,
             "exception at pc=%x type=%x\n", env->pc, env->exception_index);
 
diff --git a/target-m68k/cpu-qom.h b/target-m68k/cpu-qom.h
index 20e5684..d31b19b 100644
--- a/target-m68k/cpu-qom.h
+++ b/target-m68k/cpu-qom.h
@@ -68,5 +68,7 @@  static inline M68kCPU *m68k_env_get_cpu(CPUM68KState *env)
 
 #define ENV_GET_CPU(e) CPU(m68k_env_get_cpu(e))
 
+void m68k_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-m68k/cpu.c b/target-m68k/cpu.c
index f5a1098..3c65b4e 100644
--- a/target-m68k/cpu.c
+++ b/target-m68k/cpu.c
@@ -186,6 +186,7 @@  static void m68k_cpu_class_init(ObjectClass *c, void *data)
     cc->reset = m68k_cpu_reset;
 
     cc->class_by_name = m68k_cpu_class_by_name;
+    cc->do_interrupt = m68k_cpu_do_interrupt;
     dc->vmsd = &vmstate_m68k_cpu;
 }
 
diff --git a/target-m68k/cpu.h b/target-m68k/cpu.h
index bb2fbd6..c90c40c 100644
--- a/target-m68k/cpu.h
+++ b/target-m68k/cpu.h
@@ -119,7 +119,6 @@  void m68k_tcg_init(void);
 void m68k_cpu_init_gdb(M68kCPU *cpu);
 M68kCPU *cpu_m68k_init(const char *cpu_model);
 int cpu_m68k_exec(CPUM68KState *s);
-void do_interrupt(CPUM68KState *env1);
 void do_interrupt_m68k_hardirq(CPUM68KState *env1);
 /* you can call this signal handler from your SIGBUS and SIGSEGV
    signal handlers to inform the virtual CPU of exceptions. non zero
diff --git a/target-m68k/op_helper.c b/target-m68k/op_helper.c
index e11f34b..30f7d8b 100644
--- a/target-m68k/op_helper.c
+++ b/target-m68k/op_helper.c
@@ -21,8 +21,11 @@ 
 
 #if defined(CONFIG_USER_ONLY)
 
-void do_interrupt(CPUM68KState *env)
+void m68k_cpu_do_interrupt(CPUState *cs)
 {
+    M68kCPU *cpu = M68K_CPU(cs);
+    CPUM68KState *env = &cpu->env;
+
     env->exception_index = -1;
 }
 
@@ -149,8 +152,11 @@  static void do_interrupt_all(CPUM68KState *env, int is_hw)
     env->pc = cpu_ldl_kernel(env, env->vbr + vector);
 }
 
-void do_interrupt(CPUM68KState *env)
+void m68k_cpu_do_interrupt(CPUState *cs)
 {
+    M68kCPU *cpu = M68K_CPU(cs);
+    CPUM68KState *env = &cpu->env;
+
     do_interrupt_all(env, 0);
 }
 
diff --git a/target-microblaze/cpu-qom.h b/target-microblaze/cpu-qom.h
index 5ea911c..2f73970 100644
--- a/target-microblaze/cpu-qom.h
+++ b/target-microblaze/cpu-qom.h
@@ -68,5 +68,7 @@  static inline MicroBlazeCPU *mb_env_get_cpu(CPUMBState *env)
 
 #define ENV_GET_CPU(e) CPU(mb_env_get_cpu(e))
 
+void mb_cpu_do_interrupt(CPUState *cs);
+
 
 #endif
diff --git a/target-microblaze/cpu.c b/target-microblaze/cpu.c
index 81359db..0f4293d 100644
--- a/target-microblaze/cpu.c
+++ b/target-microblaze/cpu.c
@@ -131,6 +131,7 @@  static void mb_cpu_class_init(ObjectClass *oc, void *data)
     mcc->parent_reset = cc->reset;
     cc->reset = mb_cpu_reset;
 
+    cc->do_interrupt = mb_cpu_do_interrupt;
     dc->vmsd = &vmstate_mb_cpu;
 }
 
diff --git a/target-microblaze/cpu.h b/target-microblaze/cpu.h
index 7548aa9..1813939 100644
--- a/target-microblaze/cpu.h
+++ b/target-microblaze/cpu.h
@@ -275,7 +275,6 @@  struct CPUMBState {
 void mb_tcg_init(void);
 MicroBlazeCPU *cpu_mb_init(const char *cpu_model);
 int cpu_mb_exec(CPUMBState *s);
-void do_interrupt(CPUMBState *env);
 /* you can call this signal handler from your SIGBUS and SIGSEGV
    signal handlers to inform the virtual CPU of exceptions. non zero
    is returned if the signal was handled by the virtual CPU.  */
diff --git a/target-microblaze/helper.c b/target-microblaze/helper.c
index 97aedc5..a0416d0 100644
--- a/target-microblaze/helper.c
+++ b/target-microblaze/helper.c
@@ -26,8 +26,11 @@ 
 
 #if defined(CONFIG_USER_ONLY)
 
-void do_interrupt (CPUMBState *env)
+void mb_cpu_do_interrupt(CPUState *cs)
 {
+    MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
+    CPUMBState *env = &cpu->env;
+
     env->exception_index = -1;
     env->res_addr = RES_ADDR_NONE;
     env->regs[14] = env->sregs[SR_PC];
@@ -109,8 +112,10 @@  int cpu_mb_handle_mmu_fault (CPUMBState *env, target_ulong address, int rw,
     return r;
 }
 
-void do_interrupt(CPUMBState *env)
+void mb_cpu_do_interrupt(CPUState *cs)
 {
+    MicroBlazeCPU *cpu = MICROBLAZE_CPU(cs);
+    CPUMBState *env = &cpu->env;
     uint32_t t;
 
     /* IMM flag cannot propagate across a branch and into the dslot.  */
diff --git a/target-mips/cpu-qom.h b/target-mips/cpu-qom.h
index 55aa692..249fb4b 100644
--- a/target-mips/cpu-qom.h
+++ b/target-mips/cpu-qom.h
@@ -72,5 +72,7 @@  static inline MIPSCPU *mips_env_get_cpu(CPUMIPSState *env)
 
 #define ENV_GET_CPU(e) CPU(mips_env_get_cpu(e))
 
+void mips_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-mips/cpu.c b/target-mips/cpu.c
index 4d62031..5315f7b 100644
--- a/target-mips/cpu.c
+++ b/target-mips/cpu.c
@@ -78,6 +78,8 @@  static void mips_cpu_class_init(ObjectClass *c, void *data)
 
     mcc->parent_reset = cc->reset;
     cc->reset = mips_cpu_reset;
+
+    cc->do_interrupt = mips_cpu_do_interrupt;
 }
 
 static const TypeInfo mips_cpu_type_info = {
diff --git a/target-mips/cpu.h b/target-mips/cpu.h
index 7434099..c6d055d 100644
--- a/target-mips/cpu.h
+++ b/target-mips/cpu.h
@@ -660,7 +660,6 @@  void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level);
 int cpu_mips_handle_mmu_fault (CPUMIPSState *env, target_ulong address, int rw,
                                int mmu_idx);
 #define cpu_handle_mmu_fault cpu_mips_handle_mmu_fault
-void do_interrupt (CPUMIPSState *env);
 #if !defined(CONFIG_USER_ONLY)
 void r4k_invalidate_tlb (CPUMIPSState *env, int idx, int use_extra);
 hwaddr cpu_mips_translate_address (CPUMIPSState *env, target_ulong address,
diff --git a/target-mips/helper.c b/target-mips/helper.c
index e877b8d..3a54acf 100644
--- a/target-mips/helper.c
+++ b/target-mips/helper.c
@@ -396,10 +396,11 @@  static void set_hflags_for_handler (CPUMIPSState *env)
 }
 #endif
 
-void do_interrupt (CPUMIPSState *env)
+void mips_cpu_do_interrupt(CPUState *cs)
 {
+    MIPSCPU *cpu = MIPS_CPU(cs);
+    CPUMIPSState *env = &cpu->env;
 #if !defined(CONFIG_USER_ONLY)
-    MIPSCPU *cpu = mips_env_get_cpu(env);
     target_ulong offset;
     int cause = -1;
     const char *name;
diff --git a/target-openrisc/cpu.c b/target-openrisc/cpu.c
index 72d5e8d..ffe14f3 100644
--- a/target-openrisc/cpu.c
+++ b/target-openrisc/cpu.c
@@ -148,6 +148,7 @@  static void openrisc_cpu_class_init(ObjectClass *oc, void *data)
     cc->reset = openrisc_cpu_reset;
 
     cc->class_by_name = openrisc_cpu_class_by_name;
+    cc->do_interrupt = openrisc_cpu_do_interrupt;
 }
 
 static void cpu_register(const OpenRISCCPUInfo *info)
diff --git a/target-openrisc/cpu.h b/target-openrisc/cpu.h
index 687c24f..0e33240 100644
--- a/target-openrisc/cpu.h
+++ b/target-openrisc/cpu.h
@@ -344,7 +344,7 @@  OpenRISCCPU *cpu_openrisc_init(const char *cpu_model);
 
 void cpu_openrisc_list(FILE *f, fprintf_function cpu_fprintf);
 int cpu_openrisc_exec(CPUOpenRISCState *s);
-void do_interrupt(CPUOpenRISCState *env);
+void openrisc_cpu_do_interrupt(CPUState *cpu);
 void openrisc_translate_init(void);
 int cpu_openrisc_handle_mmu_fault(CPUOpenRISCState *env,
                                   target_ulong address,
diff --git a/target-openrisc/interrupt.c b/target-openrisc/interrupt.c
index 7f2c025..16ef4b3 100644
--- a/target-openrisc/interrupt.c
+++ b/target-openrisc/interrupt.c
@@ -25,8 +25,10 @@ 
 #include "hw/loader.h"
 #endif
 
-void do_interrupt(CPUOpenRISCState *env)
+void openrisc_cpu_do_interrupt(CPUState *cs)
 {
+    OpenRISCCPU *cpu = OPENRISC_CPU(cs);
+    CPUOpenRISCState *env = &cpu->env;
 #ifndef CONFIG_USER_ONLY
     if (env->flags & D_FLAG) { /* Delay Slot insn */
         env->flags &= ~D_FLAG;
diff --git a/target-ppc/cpu-qom.h b/target-ppc/cpu-qom.h
index 2b82cdb..6f13454 100644
--- a/target-ppc/cpu-qom.h
+++ b/target-ppc/cpu-qom.h
@@ -80,5 +80,7 @@  static inline PowerPCCPU *ppc_env_get_cpu(CPUPPCState *env)
 
 PowerPCCPUClass *ppc_cpu_class_by_pvr(uint32_t pvr);
 
+void ppc_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h
index 75190f3..2753dc6 100644
--- a/target-ppc/cpu.h
+++ b/target-ppc/cpu.h
@@ -1144,7 +1144,6 @@  int cpu_ppc_signal_handler (int host_signum, void *pinfo,
 int cpu_ppc_handle_mmu_fault (CPUPPCState *env, target_ulong address, int rw,
                               int mmu_idx);
 #define cpu_handle_mmu_fault cpu_ppc_handle_mmu_fault
-void do_interrupt (CPUPPCState *env);
 void ppc_hw_interrupt (CPUPPCState *env);
 
 #if !defined(CONFIG_USER_ONLY)
diff --git a/target-ppc/excp_helper.c b/target-ppc/excp_helper.c
index d176734..4a0fc6d 100644
--- a/target-ppc/excp_helper.c
+++ b/target-ppc/excp_helper.c
@@ -38,8 +38,11 @@  void (*cpu_ppc_hypercall)(PowerPCCPU *);
 /*****************************************************************************/
 /* Exception processing */
 #if defined(CONFIG_USER_ONLY)
-void do_interrupt(CPUPPCState *env)
+void ppc_cpu_do_interrupt(CPUState *cs)
 {
+    PowerPCCPU *cpu = POWERPC_CPU(cs);
+    CPUPPCState *env = &cpu->env;
+
     env->exception_index = POWERPC_EXCP_NONE;
     env->error_code = 0;
 }
@@ -654,9 +657,10 @@  static inline void powerpc_excp(PowerPCCPU *cpu, int excp_model, int excp)
     }
 }
 
-void do_interrupt(CPUPPCState *env)
+void ppc_cpu_do_interrupt(CPUState *cs)
 {
-    PowerPCCPU *cpu = ppc_env_get_cpu(env);
+    PowerPCCPU *cpu = POWERPC_CPU(cs);
+    CPUPPCState *env = &cpu->env;
 
     powerpc_excp(cpu, env->excp_model, env->exception_index);
 }
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 4af9123..91a0534 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -10587,6 +10587,7 @@  static void ppc_cpu_class_init(ObjectClass *oc, void *data)
     cc->reset = ppc_cpu_reset;
 
     cc->class_by_name = ppc_cpu_class_by_name;
+    cc->do_interrupt = ppc_cpu_do_interrupt;
 }
 
 static const TypeInfo ppc_cpu_type_info = {
diff --git a/target-s390x/cpu-qom.h b/target-s390x/cpu-qom.h
index 237184f..f541a78 100644
--- a/target-s390x/cpu-qom.h
+++ b/target-s390x/cpu-qom.h
@@ -69,5 +69,7 @@  static inline S390CPU *s390_env_get_cpu(CPUS390XState *env)
 
 #define ENV_GET_CPU(e) CPU(s390_env_get_cpu(e))
 
+void s390_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c
index 738a0ad..23fe51f 100644
--- a/target-s390x/cpu.c
+++ b/target-s390x/cpu.c
@@ -169,6 +169,7 @@  static void s390_cpu_class_init(ObjectClass *oc, void *data)
     scc->parent_reset = cc->reset;
     cc->reset = s390_cpu_reset;
 
+    cc->do_interrupt = s390_cpu_do_interrupt;
     dc->vmsd = &vmstate_s390_cpu;
 }
 
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index 46e2255..eb8d70b 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -315,7 +315,6 @@  static inline int get_ilen(uint8_t opc)
 S390CPU *cpu_s390x_init(const char *cpu_model);
 void s390x_translate_init(void);
 int cpu_s390x_exec(CPUS390XState *s);
-void do_interrupt (CPUS390XState *env);
 
 /* you can call this signal handler from your SIGBUS and SIGSEGV
    signal handlers to inform the virtual CPU of exceptions. non zero
diff --git a/target-s390x/helper.c b/target-s390x/helper.c
index a65e6c7..b1b2cf8 100644
--- a/target-s390x/helper.c
+++ b/target-s390x/helper.c
@@ -86,8 +86,11 @@  S390CPU *cpu_s390x_init(const char *cpu_model)
 
 #if defined(CONFIG_USER_ONLY)
 
-void do_interrupt(CPUS390XState *env)
+void s390_cpu_do_interrupt(CPUState *cs)
 {
+    S390CPU *cpu = S390_CPU(cs);
+    CPUS390XState *env = &cpu->env;
+
     env->exception_index = -1;
 }
 
@@ -732,10 +735,10 @@  static void do_mchk_interrupt(CPUS390XState *env)
     load_psw(env, mask, addr);
 }
 
-void do_interrupt(CPUS390XState *env)
+void s390_cpu_do_interrupt(CPUState *cs)
 {
-    S390CPU *cpu = s390_env_get_cpu(env);
-    CPUState *cs;
+    S390CPU *cpu = S390_CPU(cs);
+    CPUS390XState *env = &cpu->env;
 
     qemu_log_mask(CPU_LOG_INT, "%s: %d at pc=%" PRIx64 "\n",
                   __func__, env->exception_index, env->psw.addr);
@@ -794,7 +797,6 @@  void do_interrupt(CPUS390XState *env)
     env->exception_index = -1;
 
     if (!env->pending_int) {
-        cs = CPU(s390_env_get_cpu(env));
         cs->interrupt_request &= ~CPU_INTERRUPT_HARD;
     }
 }
diff --git a/target-sh4/cpu-qom.h b/target-sh4/cpu-qom.h
index d368db1..fbbae9b 100644
--- a/target-sh4/cpu-qom.h
+++ b/target-sh4/cpu-qom.h
@@ -68,5 +68,7 @@  static inline SuperHCPU *sh_env_get_cpu(CPUSH4State *env)
 
 #define ENV_GET_CPU(e) CPU(sh_env_get_cpu(e))
 
+void superh_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-sh4/cpu.c b/target-sh4/cpu.c
index ef0e621..f9cb92e 100644
--- a/target-sh4/cpu.c
+++ b/target-sh4/cpu.c
@@ -98,6 +98,7 @@  static void superh_cpu_class_init(ObjectClass *oc, void *data)
     scc->parent_reset = cc->reset;
     cc->reset = superh_cpu_reset;
 
+    cc->do_interrupt = superh_cpu_do_interrupt;
     dc->vmsd = &vmstate_sh_cpu;
 }
 
diff --git a/target-sh4/cpu.h b/target-sh4/cpu.h
index 926ec41..c971fa9 100644
--- a/target-sh4/cpu.h
+++ b/target-sh4/cpu.h
@@ -199,7 +199,6 @@  int cpu_sh4_signal_handler(int host_signum, void *pinfo,
 int cpu_sh4_handle_mmu_fault(CPUSH4State * env, target_ulong address, int rw,
                              int mmu_idx);
 #define cpu_handle_mmu_fault cpu_sh4_handle_mmu_fault
-void do_interrupt(CPUSH4State * env);
 
 void sh4_cpu_list(FILE *f, fprintf_function cpu_fprintf);
 #if !defined(CONFIG_USER_ONLY)
diff --git a/target-sh4/helper.c b/target-sh4/helper.c
index fd4efee..0a9cb3a 100644
--- a/target-sh4/helper.c
+++ b/target-sh4/helper.c
@@ -31,9 +31,12 @@ 
 
 #if defined(CONFIG_USER_ONLY)
 
-void do_interrupt (CPUSH4State *env)
+void superh_cpu_do_interrupt(CPUState *cs)
 {
-  env->exception_index = -1;
+    SuperHCPU *cpu = SUPERH_CPU(cs);
+    CPUSH4State *env = &cpu->env;
+
+    env->exception_index = -1;
 }
 
 int cpu_sh4_handle_mmu_fault(CPUSH4State * env, target_ulong address, int rw,
@@ -78,9 +81,10 @@  int cpu_sh4_is_cached(CPUSH4State * env, target_ulong addr)
 #define MMU_DADDR_ERROR_READ     (-12)
 #define MMU_DADDR_ERROR_WRITE    (-13)
 
-void do_interrupt(CPUSH4State *env)
+void superh_cpu_do_interrupt(CPUState *cs)
 {
-    CPUState *cs = CPU(sh_env_get_cpu(env));
+    SuperHCPU *cpu = SUPERH_CPU(cs);
+    CPUSH4State *env = &cpu->env;
     int do_irq = cs->interrupt_request & CPU_INTERRUPT_HARD;
     int do_exp, irq_vector = env->exception_index;
 
diff --git a/target-sparc/cpu-qom.h b/target-sparc/cpu-qom.h
index 89cd1cf..8323731 100644
--- a/target-sparc/cpu-qom.h
+++ b/target-sparc/cpu-qom.h
@@ -73,5 +73,7 @@  static inline SPARCCPU *sparc_env_get_cpu(CPUSPARCState *env)
 
 #define ENV_GET_CPU(e) CPU(sparc_env_get_cpu(e))
 
+void sparc_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-sparc/cpu.c b/target-sparc/cpu.c
index ef52df6..339d54a 100644
--- a/target-sparc/cpu.c
+++ b/target-sparc/cpu.c
@@ -891,6 +891,8 @@  static void sparc_cpu_class_init(ObjectClass *oc, void *data)
 
     scc->parent_reset = cc->reset;
     cc->reset = sparc_cpu_reset;
+
+    cc->do_interrupt = sparc_cpu_do_interrupt;
 }
 
 static const TypeInfo sparc_cpu_type_info = {
diff --git a/target-sparc/cpu.h b/target-sparc/cpu.h
index 95cbba0..0b41837 100644
--- a/target-sparc/cpu.h
+++ b/target-sparc/cpu.h
@@ -552,7 +552,6 @@  int cpu_cwp_dec(CPUSPARCState *env1, int cwp);
 void cpu_set_cwp(CPUSPARCState *env1, int new_cwp);
 
 /* int_helper.c */
-void do_interrupt(CPUSPARCState *env);
 void leon3_irq_manager(CPUSPARCState *env, void *irq_manager, int intno);
 
 /* sun4m.c, sun4u.c */
diff --git a/target-sparc/int32_helper.c b/target-sparc/int32_helper.c
index c35f522..7221460 100644
--- a/target-sparc/int32_helper.c
+++ b/target-sparc/int32_helper.c
@@ -58,8 +58,10 @@  static const char * const excp_names[0x80] = {
 };
 #endif
 
-void do_interrupt(CPUSPARCState *env)
+void sparc_cpu_do_interrupt(CPUState *cs)
 {
+    SPARCCPU *cpu = SPARC_CPU(cs);
+    CPUSPARCState *env = &cpu->env;
     int cwp, intno = env->exception_index;
 
     /* Compute PSR before exposing state.  */
diff --git a/target-sparc/int64_helper.c b/target-sparc/int64_helper.c
index df37aa1..f411884 100644
--- a/target-sparc/int64_helper.c
+++ b/target-sparc/int64_helper.c
@@ -59,8 +59,10 @@  static const char * const excp_names[0x80] = {
 };
 #endif
 
-void do_interrupt(CPUSPARCState *env)
+void sparc_cpu_do_interrupt(CPUState *cs)
 {
+    SPARCCPU *cpu = SPARC_CPU(cs);
+    CPUSPARCState *env = &cpu->env;
     int intno = env->exception_index;
     trap_state *tsptr;
 
diff --git a/target-unicore32/cpu-qom.h b/target-unicore32/cpu-qom.h
index 625c614..5dae295 100644
--- a/target-unicore32/cpu-qom.h
+++ b/target-unicore32/cpu-qom.h
@@ -58,5 +58,7 @@  static inline UniCore32CPU *uc32_env_get_cpu(CPUUniCore32State *env)
 
 #define ENV_GET_CPU(e) CPU(uc32_env_get_cpu(e))
 
+void uc32_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-unicore32/cpu.c b/target-unicore32/cpu.c
index b7024c8..66a1a74 100644
--- a/target-unicore32/cpu.c
+++ b/target-unicore32/cpu.c
@@ -132,6 +132,7 @@  static void uc32_cpu_class_init(ObjectClass *oc, void *data)
     dc->realize = uc32_cpu_realizefn;
 
     cc->class_by_name = uc32_cpu_class_by_name;
+    cc->do_interrupt = uc32_cpu_do_interrupt;
     dc->vmsd = &vmstate_uc32_cpu;
 }
 
diff --git a/target-unicore32/cpu.h b/target-unicore32/cpu.h
index 58f1f20..5b2b9d1 100644
--- a/target-unicore32/cpu.h
+++ b/target-unicore32/cpu.h
@@ -176,7 +176,6 @@  static inline void cpu_get_tb_cpu_state(CPUUniCore32State *env, target_ulong *pc
 }
 
 void uc32_translate_init(void);
-void do_interrupt(CPUUniCore32State *);
 void switch_mode(CPUUniCore32State *, int);
 
 static inline bool cpu_has_work(CPUState *cpu)
diff --git a/target-unicore32/helper.c b/target-unicore32/helper.c
index 7eeb9bc..61eb2c3 100644
--- a/target-unicore32/helper.c
+++ b/target-unicore32/helper.c
@@ -242,8 +242,11 @@  void switch_mode(CPUUniCore32State *env, int mode)
     }
 }
 
-void do_interrupt(CPUUniCore32State *env)
+void uc32_cpu_do_interrupt(CPUState *cs)
 {
+    UniCore32CPU *cpu = UNICORE32_CPU(cs);
+    CPUUniCore32State *env = &cpu->env;
+
     cpu_abort(env, "NO interrupt in user mode\n");
 }
 
diff --git a/target-unicore32/softmmu.c b/target-unicore32/softmmu.c
index 1c4c7f5..eadaeb1 100644
--- a/target-unicore32/softmmu.c
+++ b/target-unicore32/softmmu.c
@@ -72,9 +72,10 @@  void switch_mode(CPUUniCore32State *env, int mode)
 }
 
 /* Handle a CPU exception.  */
-void do_interrupt(CPUUniCore32State *env)
+void uc32_cpu_do_interrupt(CPUState *cs)
 {
-    CPUState *cs = CPU(uc32_env_get_cpu(env));
+    UniCore32CPU *cpu = UNICORE32_CPU(cs);
+    CPUUniCore32State *env = &cpu->env;
     uint32_t addr;
     int new_mode;
 
diff --git a/target-xtensa/cpu-qom.h b/target-xtensa/cpu-qom.h
index 270de16..93ec0ba 100644
--- a/target-xtensa/cpu-qom.h
+++ b/target-xtensa/cpu-qom.h
@@ -78,5 +78,7 @@  static inline XtensaCPU *xtensa_env_get_cpu(const CPUXtensaState *env)
 
 #define ENV_GET_CPU(e) CPU(xtensa_env_get_cpu(e))
 
+void xtensa_cpu_do_interrupt(CPUState *cpu);
+
 
 #endif
diff --git a/target-xtensa/cpu.c b/target-xtensa/cpu.c
index 785e56d..6e93dd8 100644
--- a/target-xtensa/cpu.c
+++ b/target-xtensa/cpu.c
@@ -101,6 +101,7 @@  static void xtensa_cpu_class_init(ObjectClass *oc, void *data)
     xcc->parent_reset = cc->reset;
     cc->reset = xtensa_cpu_reset;
 
+    cc->do_interrupt = xtensa_cpu_do_interrupt;
     dc->vmsd = &vmstate_xtensa_cpu;
 }
 
diff --git a/target-xtensa/cpu.h b/target-xtensa/cpu.h
index dece224..6c9fc35 100644
--- a/target-xtensa/cpu.h
+++ b/target-xtensa/cpu.h
@@ -388,7 +388,6 @@  void xtensa_translate_init(void);
 void xtensa_breakpoint_handler(CPUXtensaState *env);
 int cpu_xtensa_exec(CPUXtensaState *s);
 void xtensa_register_core(XtensaConfigList *node);
-void do_interrupt(CPUXtensaState *s);
 void check_interrupts(CPUXtensaState *s);
 void xtensa_irq_init(CPUXtensaState *env);
 void *xtensa_get_extint(CPUXtensaState *env, unsigned extint);
diff --git a/target-xtensa/helper.c b/target-xtensa/helper.c
index a8a6493..6f613c66 100644
--- a/target-xtensa/helper.c
+++ b/target-xtensa/helper.c
@@ -178,8 +178,11 @@  static void handle_interrupt(CPUXtensaState *env)
     }
 }
 
-void do_interrupt(CPUXtensaState *env)
+void xtensa_cpu_do_interrupt(CPUState *cs)
 {
+    XtensaCPU *cpu = XTENSA_CPU(cs);
+    CPUXtensaState *env = &cpu->env;
+
     if (env->exception_index == EXC_IRQ) {
         qemu_log_mask(CPU_LOG_INT,
                 "%s(EXC_IRQ) level = %d, cintlevel = %d, "