diff options
| -rw-r--r-- | target-ppc/helper.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/target-ppc/helper.c b/target-ppc/helper.c index e3700b5f2c..84e6c39357 100644 --- a/target-ppc/helper.c +++ b/target-ppc/helper.c @@ -1493,10 +1493,12 @@ void do_store_msr (CPUPPCState *env, target_ulong value) break; } if (enter_pm) { - /* power save: exit cpu loop */ - env->halted = 1; - env->exception_index = EXCP_HLT; - cpu_loop_exit(); + if (likely(!env->halted)) { + /* power save: exit cpu loop */ + env->halted = 1; + env->exception_index = EXCP_HLT; + cpu_loop_exit(); + } } } |