study arm step by step，本文从学习者的角度出发,分别描述了下面几部分内容:

ARM 编程的基本知识,BOOT代码流程和功能分析,OS 中断程序的编写举例

和BOOT代码的流程图,希望这些内容能为初学ARM的朋友拨开迷雾,以最快

的速度和最短的时间走进嵌入世界的大们-study arm step by step, this article from the learner' s point of view, respectively, describe the contents of the following sections: ARM basic knowledge of programming, BOOT code processes and functional analysis, OS interrupt the preparation process and the BOOT code, for example, flow charts, hope that these content for beginners ARM' s friends fog, with the fastest speed and the shortest possible time into the world' s largest embedded in their