https://blog.wongcw.com/2023/05/28/%e6%80%a7%e8%83%bd%e8%b6%85arm-a76-%e5%9c%8b%e7%94%a2%e7%ac%ac%e4%ba%8c%e4%bb%a3%e9%a6%99%e5%b1%b1risc-v%e9%96%8b%e6%ba%90%e8%99%95%e7%90%86%e5%99%a8%e6%9c%80%e5%bf%ab6%e6%9c%88/