这是毕业设计论文，前部分是关于嵌入式系统的综述，后部分是嵌入式系统的软件设计，完成对AT91RM9200Bootloader的移植，Linux内核的建立，串口、液晶、网络驱动程序的编写，以及文件系统的建立，为用户提供了完整的开发平台。-Graduation Thesis, the former part of the embedded system on the after part of the embedded system software design, AT91RM9200Bootloader to complete the transplant, the establishment of the Linux kernel, Serial, LCD, network drives procedures for the preparation, and the file system established to provide users with the End the entire development platform.