摘要
介绍了嵌入式处理器PXA255的结构特点和应用,研究了一种嵌入式系统引导、调试程序RedBoot。阐述了RedBoot／eCos的基本机构和特点,分析了它的原理和启动过程。并依据代码,详细分析了其在PXA255开发平台上的实现。研究了移植过程中的重点和难点问题,总结了移植的一般性方法,便于对Bootloader和PXA255的开发应用。
Embedded processor PXA255 and the boot program of RedBoot are introduced. The features and structure of RedBoot/eCos and its startup process are analyzed. Based on the startup code, an detailed analysis is made of its realization on PXA255 platform. Key aspects and the major problems in porting are studied and the generic steps summarized which are of value to the development of BootLoader and PXA255.
出处
《电子科技》
2007年第6期69-72,共4页
Electronic Science and Technology
