https://github.com/idoth2o/arm_bare_boot
http://blog.sina.com.cn/s/blog_858820890102v1yh.html
http://www.kgdb.info/using_kgdb_base_qemu/
linux内核编译 TODO
https://blog.csdn.net/leumber/article/details/78654768
https://blog.csdn.net/aggresss/article/details/54946438
https://www.cnblogs.com/microxiami/p/9746979.html
http://pressreset.net/2013/09/buildroot-and-qemu-the-quickest-receipe-for-your-own-linux/
linux内核调试gdb + KGDB
https://blog.csdn.net/xj178926426/article/details/53118589
https://blog.csdn.net/xj178926426/article/details/53323615
https://blog.csdn.net/zjhsucceed_329/article/details/79827960
https://blog.csdn.net/luckywang1103/article/details/65625984