BOotloader U_Boot功能齐全、应用广泛但移植到ARM微处理器s3C2440A上相对比较复杂．简介了常见的BOot—

loader，归纳了U-BOot的主要特征，分析了其运行过程，介绍了系统存储空间分布和基于S3c2440A微处理器为核心自主开发

的嵌入式系统板硬件资源配置，给出了U．Boot在嵌入式系统板上的移植方法、移植过程和移植要点．-】300tloader U—Boot has enough functions and comprehensive applications，but when porting it to

the ARM microprocessor S3C2440A is a relatiVely complex work． We briefly introduced many general

Bootloaders，gathered up the main characters of L『_Boot，analyzed the process of U—Boot in—depth，clearly

explained the system memory distribution and the hardware resource con“guration in our Embedded Sys—

tem board based on the CPU SAMSUNG S3C2440A，particularly introduced the porting method，porting

process and main porting feature of U—1300t in the board．