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~