Fix Arm cp15 c13 (Process ID) register writes.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2067 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 60eee5c..2ed46a2 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -494,10 +494,18 @@
case 13: /* Process ID. */
switch (op2) {
case 0:
- env->cp15.c9_data = val;
+ /* Unlike real hardware the qemu TLB uses virtual addresses,
+ not modified virtual addresses, so this causes a TLB flush.
+ */
+ if (env->cp15.c13_fcse != val)
+ tlb_flush(env, 1);
+ env->cp15.c13_fcse = val;
break;
case 1:
- env->cp15.c9_insn = val;
+ /* This changes the ASID, so do a TLB flush. */
+ if (env->cp15.c13_context != val)
+ tlb_flush(env, 0);
+ env->cp15.c13_context = val;
break;
default:
goto bad_reg;