target/loongarch: Populate CPUClass.mmu_index

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/loongarch/cpu.c

@@ -375,6 +375,16 @@ static bool loongarch_cpu_has_work(CPUState *cs)
 #endif
 }
 
+int loongarch_cpu_mmu_index(CPUState *cs, bool ifetch)
+{
+    CPULoongArchState *env = cpu_env(cs);
+
+    if (FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PG)) {
+        return FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV);
+    }
+    return MMU_IDX_DA;
+}
+
 static void loongarch_la464_initfn(Object *obj)
 {
     LoongArchCPU *cpu = LOONGARCH_CPU(obj);
@@ -777,6 +787,7 @@ static void loongarch_cpu_class_init(ObjectClass *c, void *data)
 
     cc->class_by_name = loongarch_cpu_class_by_name;
     cc->has_work = loongarch_cpu_has_work;
+    cc->mmu_index = loongarch_cpu_mmu_index;
     cc->dump_state = loongarch_cpu_dump_state;
     cc->set_pc = loongarch_cpu_set_pc;
     cc->get_pc = loongarch_cpu_get_pc;

target/loongarch/cpu.h

@@ -408,15 +408,13 @@ struct LoongArchCPUClass {
 #define MMU_IDX_USER     MMU_PLV_USER
 #define MMU_IDX_DA       4
 
+int loongarch_cpu_mmu_index(CPUState *cs, bool ifetch);
 static inline int cpu_mmu_index(CPULoongArchState *env, bool ifetch)
 {
 #ifdef CONFIG_USER_ONLY
     return MMU_IDX_USER;
 #else
-    if (FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PG)) {
-        return FIELD_EX64(env->CSR_CRMD, CSR_CRMD, PLV);
-    }
-    return MMU_IDX_DA;
+    return loongarch_cpu_mmu_index(env_cpu(env), ifetch);
 #endif
 }