选择bootloop,意思是initializing the microprocessor with a single-instruction “branch-to-itself” program called “bootloop” 。Bootloop keeps the processor in a known state while it waits for another program to be downloaded to run or be debugged..
手册上说的,toto同学说:
Bootloop的内容只有一条,就是跳转到自己的地址
所以他应该是对的