Invalidate TLBs when domains are changed (Matthew Warton).
Legalise cp15 pid register writes (Matthew Warton).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3494 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 4f851ce..d06ee69 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -704,6 +704,7 @@
break;
case 3: /* MMU Domain access control / MPU write buffer control. */
env->cp15.c3 = val;
+ tlb_flush(env, 1); /* Flush TLB as domain not tracked in TLB */
break;
case 4: /* Reserved. */
goto bad_reg;
@@ -814,8 +815,6 @@
case 13: /* Process ID. */
switch (op2) {
case 0:
- if (!arm_feature(env, ARM_FEATURE_MPU))
- goto bad_reg;
/* Unlike real hardware the qemu TLB uses virtual addresses,
not modified virtual addresses, so this causes a TLB flush.
*/