http://tieba.baidu.com/p/3397811202

http://mooc.guokr.com/post/610664/

http://home.ustc.edu.cn/~boj/courses/linux_kernel/1_boot.html

http://home.ustc.edu.cn/~boj/courses/linux_kernel/0_prepare.html

http://home.ustc.edu.cn/~boj/courses/linux_kernel/1_boot.html