diff options
| author | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-08-01 02:31:54 +0000 |
|---|---|---|
| committer | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-08-01 02:31:54 +0000 |
| commit | 2e23213f26fc747b3a4de3c87906bfd3399e95fa (patch) | |
| tree | 50636c61a33c5c1ff0ff53a674ae2515116d7d31 /target-arm/helper.c | |
| parent | 0e7b8a9f0147e6833244331935e2ff895f96a8f8 (diff) | |
| download | qemu-2e23213f26fc747b3a4de3c87906bfd3399e95fa.tar.gz | |
Special-case iWMMXt register transfer insns, which are in ARM LDC2/STC2 class.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3107 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-arm/helper.c')
| -rw-r--r-- | target-arm/helper.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index 8132d0caf4..f1b170d030 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -838,9 +838,11 @@ void helper_set_cp15(CPUState *env, uint32_t insn, uint32_t val) case 15: /* Implementation specific. */ if (arm_feature(env, ARM_FEATURE_XSCALE)) { if (op2 == 0 && crm == 1) { - /* Changes cp0 to cp13 behavior, so needs a TB flush. */ - tb_flush(env); - env->cp15.c15_cpar = (val & 0x3fff) | 2; + if (env->cp15.c15_cpar != (val & 0x3fff)) { + /* Changes cp0 to cp13 behavior, so needs a TB flush. */ + tb_flush(env); + env->cp15.c15_cpar = val & 0x3fff; + } break; } goto bad_reg; |