Android Binary Images

u-boot,zImage,ramdisk.img,system.img,userdata.img的关系

1. u-boot loads zImage into memory;

2. u-boot loads ramdisk into memory;
3. Linux kernel (zImage) runs and mounts ramdisk as root;
4. init (ramdisk) mounts system.img to /system;
5. init (ramdisk) mounts userdata.img to /data;