commit c19dbb9426a34a8e8cfdc5c285e8562ff3fe4f7a
author ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> Thu Jul 12 11:32:22 2007 +0000
committer ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> Thu Jul 12 11:32:22 2007 +0000
tree 0d930a25989bf9a0cf5de80db152eb6dc9225adf
parent 4cae1d16396f4a2827d5cafaaf232698588ade55

Fix crash in set registers in PPC gdb-stub, by Jason Wessel.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3079 c046a42c-6fe2-441c-8c8c-71466251a162

target-ppc/helper.c

diff --git a/target-ppc/helper.c b/target-ppc/helper.c
index e3700b5..84e6c39 100644
--- a/target-ppc/helper.c
+++ b/target-ppc/helper.c
@@ -1493,10 +1493,12 @@
         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();
+        }
     }
 }