target/alpha: Populate CPUClass.mmu_index

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

target/alpha/cpu.c

@@ -64,6 +64,11 @@ static bool alpha_cpu_has_work(CPUState *cs)
                                     | CPU_INTERRUPT_MCHK);
 }
 
+static int alpha_cpu_mmu_index(CPUState *cs, bool ifetch)
+{
+    return alpha_env_mmu_index(cpu_env(cs));
+}
+
 static void alpha_cpu_disas_set_info(CPUState *cpu, disassemble_info *info)
 {
     info->mach = bfd_mach_alpha_ev6;
@@ -230,6 +235,7 @@ static void alpha_cpu_class_init(ObjectClass *oc, void *data)
 
     cc->class_by_name = alpha_cpu_class_by_name;
     cc->has_work = alpha_cpu_has_work;
+    cc->mmu_index = alpha_cpu_mmu_index;
     cc->dump_state = alpha_cpu_dump_state;
     cc->set_pc = alpha_cpu_set_pc;
     cc->get_pc = alpha_cpu_get_pc;