Message ID | 1280086076-20649-1-git-send-email-loic.minier@linaro.org |
---|---|
State | New |
Headers | show |
On Sunday 25 July 2010, Loïc Minier wrote: > On ARMv7, ignore writes to cp15 with crm == 12; these are to setup perf > counters which we don't have. Thanks Loïc, I have tested this and can confirm that I'm able to boot a CONFIG_PERF_EVENTS kernel now. Arnd
diff --git a/target-arm/helper.c b/target-arm/helper.c index 2dd64d9..865829f 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -1457,6 +1457,8 @@ void HELPER(set_cp15)(CPUState *env, uint32_t insn, uint32_t val) } break; case 9: + if (arm_feature(env, ARM_FEATURE_V7) && crm == 12) + break; /* Perf counters. */ if (arm_feature(env, ARM_FEATURE_OMAPCP)) break; switch (crm) {