本文首先描述Linux 啟動(dòng)引導(dǎo)程序的原理和基本功能。以PXA272 的開(kāi)發(fā)板開(kāi)發(fā)和調(diào)試過(guò)程中所實(shí)現(xiàn)的啟動(dòng)引導(dǎo)程序?yàn)榛A(chǔ)，詳細(xì)介紹基于PXA272 的啟動(dòng)引導(dǎo)程序的結(jié)構(gòu)設(shè)
計(jì)。最后介紹方便開(kāi)發(fā)板硬件調(diào)試而對(duì)啟動(dòng)引導(dǎo)程序的功能進(jìn)行擴(kuò)展的實(shí)現(xiàn)方法。
關(guān)鍵詞:啟動(dòng)引導(dǎo)程序；PXA272；嵌入式系統(tǒng)；調(diào)試
Abstract: The general function and operational principle of the bootloader of Linux was
described. Then based on the implementation of the bootloader on PXA272 during the
development and the debugging of the platform of embedded system, this paper stated the
structural design of a bootloader on PXA272 microprocessor. Finally this paper introduced how to design and implement expanded debug functions of the bootloader.
Key Word:Bootloader;PXA272;Embedded Operating System; Debugging