target-lm32: Use cpu_exec_interrupt qom hook

Cc: Michael Walle <michael@walle.cc>
Signed-off-by: NRichard Henderson <rth@twiddle.net>
Acked-by: NMichael Walle <michael@walle.cc>
Message-id: 1410626734-3804-21-git-send-email-rth@twiddle.net
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

cpu-exec.c

@@ -498,13 +498,6 @@ int cpu_exec(CPUArchState *env)
                         }
                         next_tb = 0;
                     }
-#elif defined(TARGET_LM32)
-                    if ((interrupt_request & CPU_INTERRUPT_HARD)
-                        && (env->ie & IE_IE)) {
-                        cpu->exception_index = EXCP_IRQ;
-                        cc->do_interrupt(cpu);
-                        next_tb = 0;
-                    }
 #endif
                     /* The target hook has 3 exit conditions:
                        False when the interrupt isn't processed,

target-lm32/cpu-qom.h

@@ -82,6 +82,7 @@ extern const struct VMStateDescription vmstate_lm32_cpu;
 #endif
 
 void lm32_cpu_do_interrupt(CPUState *cpu);
+bool lm32_cpu_exec_interrupt(CPUState *cs, int int_req);
 void lm32_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
                          int flags);
 hwaddr lm32_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);

target-lm32/cpu.c

@@ -261,6 +261,7 @@ static void lm32_cpu_class_init(ObjectClass *oc, void *data)
     cc->class_by_name = lm32_cpu_class_by_name;
     cc->has_work = lm32_cpu_has_work;
     cc->do_interrupt = lm32_cpu_do_interrupt;
+    cc->cpu_exec_interrupt = lm32_cpu_exec_interrupt;
     cc->dump_state = lm32_cpu_dump_state;
     cc->set_pc = lm32_cpu_set_pc;
     cc->gdb_read_register = lm32_cpu_gdb_read_register;

target-lm32/helper.c

@@ -202,6 +202,19 @@ void lm32_cpu_do_interrupt(CPUState *cs)
     }
 }
 
+bool lm32_cpu_exec_interrupt(CPUState *cs, int interrupt_request)
+{
+    LM32CPU *cpu = LM32_CPU(cs);
+    CPULM32State *env = &cpu->env;
+
+    if ((interrupt_request & CPU_INTERRUPT_HARD) && (env->ie & IE_IE)) {
+        cs->exception_index = EXCP_IRQ;
+        lm32_cpu_do_interrupt(cs);
+        return true;
+    }
+    return false;
+}
+
 LM32CPU *cpu_lm32_init(const char *cpu_model)
 {
     return LM32_CPU(cpu_generic_init(TYPE_LM32_CPU, cpu_model));