https://www.bilibili.com/video/BV19e4y1k7EE/?spm_id_from=333.337.search-card.all.click&vd_source=fd0f4be6d0a5aaa0a79d89604df3154a




方便RFM实现

cocotb_test 替代makefile ， 类似python 函数执行