diff --git a/cpu-exec.c b/cpu-exec.c
index eeeeb8f5db..6385639f46 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -548,8 +548,10 @@ int cpu_exec(CPUState *env1)
 			//do_interrupt(0, 0, 0, 0, 0);
 			env->interrupt_request &= ~CPU_INTERRUPT_TIMER;
 		    } else if (interrupt_request & CPU_INTERRUPT_HALT) {
-                        env1->halted = 1;
-                        return EXCP_HALTED;
+			env->interrupt_request &= ~CPU_INTERRUPT_HALT;
+			env->halted = 1;
+			env->exception_index = EXCP_HLT;
+			cpu_loop_exit();
                     }
 #elif defined(TARGET_ARM)
                     if (interrupt_request & CPU_INTERRUPT_FIQ
diff --git a/hw/slavio_misc.c b/hw/slavio_misc.c
index 904f44e515..a48a7af5c0 100644
--- a/hw/slavio_misc.c
+++ b/hw/slavio_misc.c
@@ -123,10 +123,7 @@ static void slavio_misc_mem_writeb(void *opaque, target_phys_addr_t addr, uint32
 	break;
     case 0xa000000:
 	MISC_DPRINTF("Write power management %2.2x\n", val & 0xff);
-#if 0
-        // XXX almost works
         cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HALT);
-#endif
 	break;
     }
 }