Restrict CP0_PerfCnt to legal values.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3476 c046a42c-6fe2-441c-8c8c-71466251a162

Restrict CP0_PerfCnt to legal values.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3476 c046a42c-6fe2-441c-8c8c-71466251a162
ths
1 parent 3cbee15b
Showing 1 changed file with 1 additions and 1 deletions
target-mips/op.c
@@ -1971,7 +1971,7 @@ void op_mtc0_depc (void)
  
 void op_mtc0_performance0 (void)
 {
-    env->CP0_Performance0 = T0; /* XXX */
+    env->CP0_Performance0 = T0 & 0x000007ff;
     RETURN();
 }