https://blog.wongcw.com/2020/10/08/arm-cpu%e5%b0%87%e5%9c%a82022%e5%b9%b4%e6%94%be%e6%a3%84%e5%b0%8d32%e4%bd%8d%e9%81%8b%e7%ae%97%e7%9a%84%e6%94%af%e6%8c%81/