说明：  摘要 论文阐述了基于工具链的嵌入式操作系统开发实践 主要围绕着如何使用 工具以及一些开放源码的工具如 bochs进行嵌入式操作系统开发来展开 探讨了其中一些关键的实现技术和实践细节.
(Abstract The article describes the tool chain based embedded operating system development practice mainly centered on how to use the tools as well as some open source tools such as the embedded operating system development bochs to expand some of the key technical and practical details of implementation.)