关于uboot的启动代码的分析，很全面，很经典，了解启动过程，读懂源码，对以后内核开发很有帮助，尤其是对如何引导内核有更明白的概念。-Uboot startup code analysis, it is comprehensive, very classic, understand the boot process, read the source code, right after the kernel development is helpful, especially on how to