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Fix Arm cp15 c13 (Process ID) register writes.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2067 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2006-07-21 22:39:57 +00:00
parent 059809e451
commit d07edbfa00
1 changed files with 10 additions and 2 deletions
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12
target-arm/helper.c
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@ -494,10 +494,18 @@ void helper_set_cp15(CPUState *env, uint32_t insn, uint32_t val)
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;