target-sh4: Use cpu_exec_interrupt qom hook

Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Message-id: 1410626734-3804-13-git-send-email-rth@twiddle.net
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

cpu-exec.c

@@ -592,11 +592,6 @@ int cpu_exec(CPUArchState *env)
                         cc->do_interrupt(cpu);
                         next_tb = 0;
                     }
-#elif defined(TARGET_SH4)
-                    if (interrupt_request & CPU_INTERRUPT_HARD) {
-                        cc->do_interrupt(cpu);
-                        next_tb = 0;
-                    }
 #endif
                     /* The target hook has 3 exit conditions:
                        False when the interrupt isn't processed,

target-sh4/cpu-qom.h

@@ -84,6 +84,7 @@ static inline SuperHCPU *sh_env_get_cpu(CPUSH4State *env)
 #define ENV_OFFSET offsetof(SuperHCPU, env)
 
 void superh_cpu_do_interrupt(CPUState *cpu);
+bool superh_cpu_exec_interrupt(CPUState *cpu, int int_req);
 void superh_cpu_dump_state(CPUState *cpu, FILE *f,
                            fprintf_function cpu_fprintf, int flags);
 hwaddr superh_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);

target-sh4/cpu.c

@@ -276,6 +276,7 @@ static void superh_cpu_class_init(ObjectClass *oc, void *data)
     cc->class_by_name = superh_cpu_class_by_name;
     cc->has_work = superh_cpu_has_work;
     cc->do_interrupt = superh_cpu_do_interrupt;
+    cc->cpu_exec_interrupt = superh_cpu_exec_interrupt;
     cc->dump_state = superh_cpu_dump_state;
     cc->set_pc = superh_cpu_set_pc;
     cc->synchronize_from_tb = superh_cpu_synchronize_from_tb;

target-sh4/helper.c

@@ -863,3 +863,12 @@ int cpu_sh4_is_cached(CPUSH4State * env, target_ulong addr)
 }
 
 #endif
+
+bool superh_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
+{
+    if (interrupt_request & CPU_INTERRUPT_HARD) {
+        superh_cpu_do_interrupt(cs);
+        return true;
+    }
+    return false;
+}