1 files changed, 29 insertions, 0 deletions
diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
index 7d0d629a3d..7a3b815737 100644
--- a/target/sparc/cpu.c
+++ b/target/sparc/cpu.c
@@ -718,6 +718,34 @@ static bool sparc_cpu_has_work(CPUState *cs)
            cpu_interrupts_enabled(env);
 }
 
+int sparc_cpu_mmu_index(CPUState *cs, bool ifetch)
+{
+    CPUSPARCState *env = cpu_env(cs);
+
+#ifndef TARGET_SPARC64
+    if ((env->mmuregs[0] & MMU_E) == 0) { /* MMU disabled */
+        return MMU_PHYS_IDX;
+    } else {
+        return env->psrs;
+    }
+#else
+    /* IMMU or DMMU disabled.  */
+    if (ifetch
+        ? (env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0
+        : (env->lsu & DMMU_E) == 0) {
+        return MMU_PHYS_IDX;
+    } else if (cpu_hypervisor_mode(env)) {
+        return MMU_PHYS_IDX;
+    } else if (env->tl > 0) {
+        return MMU_NUCLEUS_IDX;
+    } else if (cpu_supervisor_mode(env)) {
+        return MMU_KERNEL_IDX;
+    } else {
+        return MMU_USER_IDX;
+    }
+#endif
+}
+
 static char *sparc_cpu_type_name(const char *cpu_model)
 {
     char *name = g_strdup_printf(SPARC_CPU_TYPE_NAME("%s"), cpu_model);
@@ -906,6 +934,7 @@ static void sparc_cpu_class_init(ObjectClass *oc, void *data)
     cc->class_by_name = sparc_cpu_class_by_name;
     cc->parse_features = sparc_cpu_parse_features;
     cc->has_work = sparc_cpu_has_work;
+    cc->mmu_index = sparc_cpu_mmu_index;
     cc->dump_state = sparc_cpu_dump_state;
 #if !defined(TARGET_SPARC64) && !defined(CONFIG_USER_ONLY)
     cc->memory_rw_debug = sparc_cpu_memory_rw_debug;