Re: [Qemu-devel] [PATCH 01/29] target-sparc: don't trap on MMU-fault if MMU is disabled

[Richard Henderson]

On 10/01/2016 05:05 AM, Artyom Tarasenko wrote:
>      if (is_exec) {
> -        helper_raise_exception(env, TT_CODE_ACCESS);
> +        if (env->lsu & (IMMU_E)) {
> +            helper_raise_exception(env, TT_CODE_ACCESS);
> +        }
>      } else {
> -        helper_raise_exception(env, TT_DATA_ACCESS);
> +        if (env->lsu & (DMMU_E)) {
> +                helper_raise_exception(env, TT_DATA_ACCESS);
> +        }

The cpu really does no kind of machine check for a hypervisor write to 
0x1122334455667788?


r~