target/riscv: Create current pm fields in env

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220120122050.41546-12-zhiwei_liu@c-sky.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv/machine.c

@@ -220,6 +220,7 @@ static int riscv_cpu_post_load(void *opaque, int version_id)
     CPURISCVState *env = &cpu->env;
 
     env->xl = cpu_recompute_xl(env);
+    riscv_cpu_update_mask(env);
     return 0;
 }