📄 vxworks bsp和启动过程.htm
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<html><head><meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=gb_2312-80"><meta NAME="GENERATOR" CONTENT="Microsoft FrontPage 4.0"><meta NAME="Template" CONTENT="C:\PROGRAM FILES\MICROSOFT OFFICE\OFFICE\html.dot"><title>VxWorks BSP和启动过程</title></head><body LINK="#0000FF" VLINK="#800080"><p><big>>><a href="http://drew.nease.net/">Drew的主页</a></big>---><a href="http://drew.nease.net/mypage/VxWorks.htm"><font FACE="System" LANG="ZH-CN">VxWorks</font></a><fontFACE="System" LANG="ZH-CN"><big>--------->BSP和启动过程</big></font></p><div align="center"><center><table border="1" cellspacing="1" width="754" background="../../../drew/images/bg1.gif"bordercolor="#88DEEA" bordercolorlight="#88DEEA" bordercolordark="#88DEEA" height="23"bgcolor="#FFFFFF"> <tr> <td height="1" width="75" align="center"><p align="center"><a href="http://drew.nease.net/"><big>主页</big></a></td> <td height="1" width="75" align="center"><p align="center"><a href="http://drew.nease.net/mypage/VxWorks.htm"><font FACE="System" LANG="ZH-CN">VxWorks</font></a></td> <td height="1" width="75" align="center"><p align="center"><a href="http://drew.nease.net/processor/arm.htm"><font FACE="System" LANG="ZH-CN">ARM</font></a></td> <td height="1" width="75" align="center"><p align="center"><a href="http://drew.nease.net/processor/mpc860.htm"><font FACE="System" LANG="ZH-CN">PowerPC</font></a></td> <td height="1" width="75" align="center"><p align="center"><a href="http://drew.nease.net/mypage/driver.htm"><font FACE="System" LANG="ZH-CN">硬件驱动</font></a></td> <td height="1" width="75" align="center"><p align="center"><a href="http://drew.nease.net/mypage/network.htm"><font FACE="System" LANG="ZH-CN">网络协议</font></a></td> <td height="1" width="75" align="center"><p align="center"><a href="http://drew.nease.net/mypage/sourcecode.htm"><font FACE="System" LANG="ZH-CN">程序示例</font></a></td> <td height="1" width="75" align="center"><a href="http://www.embhelp.com/bbs" target="_blank"><font face="System" color="#8000FF">技术论坛</font></a></td> <td height="1" width="75" align="center"><p align="center"><a href="http://www.embhelp.com/download"><font FACE="System" LANG="ZH-CN">下载</font></a></td> <td height="1" width="75" align="center"><a href="interest.htm"><font face="System" lang="ZH-CN">个人兴趣</font></a></td> </tr></table></center></div><p align="center"> </p><p align="center"><font FACE="宋体" LANG="ZH-CN" size="6" color="#0000FF"><b>VxWork BSP 和启动过程</b></font></p> <p> </p> <p style="line-height: 150%"><font face="宋体" lang="ZH-CN" size="4"><strong>开发BSP主要的两点:</strong></font> <ol> <li> <p style="line-height: 150%">系统image的生成,image的种类,image的download下载过程,系统的启动顺序和过程,调试环境的配置及远端调试的方式和方法,相应BSP设置文件的修改(网络,串口..),BSP各文件的组成和作用.</li> </ol> <ol start="2"> <li> <p style="line-height: 150%">要对系统底层驱动清楚,也就是对CPU及相关的硬件有所了解.主要是32微处理器(上电启动过程, download image的方式方法,读写ROM,地址空间分配,MMU,寄存器,中断定义,..).参照硬件资料,多读一些源码会有所帮助.<br> </li> </ol> <p><big><strong>Tornado 2 开发调试环境协议框图</strong></big></p> <div align="center"><center> <table border="0" width="618" height="3"> <tr> <td width="306" height="3"><p align="center"><strong>主机开发(Host Development System)</strong></td> <td width="98" height="3"></td> <td width="196" height="3"><strong>目标机(Target System)</strong></td> </tr> </table> </center></div><div align="center"><center> <table border="0" width="579" height="197"> <tr> <td width="293" height="197" bgcolor="#C0C0C0"><div align="center"><center><table border="0" width="77%" height="53"> <tr> <td width="48%" height="52" colspan="2"><p align="center">Tornado 工具<small> </small></td> <td width="47%" height="53" rowspan="5"><p align="center"><strong> </strong></p> <p align="center"><strong>WTX协议通信<==========><br> </strong></td> <td width="34%" height="1"></td> </tr> <tr> <td width="39%" height="53" rowspan="4"><div align="center"><center><table border="1" width="100%" bgcolor="#00FFFF"> <tr> <td width="100%">Editor</td> </tr> <tr> <td width="100%">Project</td> </tr> </table> </center></div></td> <td width="9%" height="53" rowspan="4"><div align="center"><center><table border="1" width="100%" bgcolor="#00FFFF"> <tr> <td width="100%" align="center">Shell</td> </tr> <tr> <td width="100%" align="center">Debugger</td> </tr> <tr> <td width="100%" align="center">Browser</td> </tr> <tr> <td width="100%" align="center">Windview</td> </tr> </table> </center></div></td> <td width="34%" height="92"></td> </tr> <tr> <td width="34%" height="23"><div align="center"><center><table border="1" width="100%" bgcolor="#FFFF00"> <tr> <td width="100%"><p align="center">Target Server</td> </tr> </table> </center></div></td> </tr> <tr> <td width="34%" height="1"><p align="center">|</td> </tr> <tr> <td width="34%" height="56"><div align="center"><center><table border="1" width="100%" bgcolor="#00FFFF"> <tr> <td width="100%">Target Agent</td> </tr> <tr> <td width="100%">VxWorks Target Simulator</td> </tr> </table> </center></div></td> </tr> </table> </center></div></td> <td width="120" height="197"><p align="center"><strong>WDB协议通信<br> <==========></strong></td> <td width="152" height="185" bgcolor="#C0C0C0"><div align="center"><center><table border="1" height="107" bgcolor="#00FFFF" width="93"> <tr> <td width="87" height="16" align="center" bgcolor="#00FFFF">Application</td> </tr> <tr> <td width="87" height="1" align="center">VxWorks <strong>OS</strong></td> </tr> <tr> <td width="87" height="82" align="center" bgcolor="#00FF00"><strong>VxWorks Target (WDB</strong>)Agent</td> </tr> </table> </center></div></td> </tr> </table> </center></div> <p><strong>两个主要两个协议</strong></p> <blockquote> <p><strong>WTX</strong>协议(Wind River Tool eXchange): 用于开发机内部Tornado工具与Target Server之间通信.</p> <p><strong>WDB</strong>协议(Wind DeBug): 用于主机Target Server与目标机之间的通信.</p> </blockquote> <p> </p><p><font face="宋体" lang="ZH-CN" size="5"><strong>一.基本概念</strong></font></p><blockquote> <p style="line-height: 150%"><big><strong><font lang="ZH-CN">BSP定义:</font></strong></big></p> <blockquote> <p style="line-height: 150%"><small><small><font face="宋体" lang="ZH-CN" size="4">Provides VxWorks with primary interface to hardware environment.</font></small></small></p> </blockquote> <blockquote> <p style="line-height: 150%"><strong><font face="宋体" lang="ZH-CN" size="5"><small><small>作用: </small></small></font></strong><ul> <li> <p style="line-height: 150%"><font face="宋体" lang="ZH-CN" size="5"><small><small>在通电后,初始化硬件.</small></small></font></li> <li> <p style="line-height: 150%"><font FACE="System" LANG="ZH-CN">支持VxWorks和硬件驱动通信</font><font FACE="宋体" LANG="ZH-CN">.</font></li> <li> <p style="line-height: 150%"><font lang="ZH-CN">使hardware-dependent 和 hardware-independent在VxWorks系统中很好的结合.</font><font FACE="宋体" LANG="ZH-CN"> </font></li> </ul> </blockquote> <p style="line-height: 150%"><strong>主要BSP主要文件目录的组成及主要文件的作用:</strong></p> <blockquote> <ul> <li> <p style="line-height: 150%"><big><strong>目录target/config/All:</strong></big></li> </ul> <blockquote> <p style="line-height: 150%">这个目录下的文件是所有BSP文件共享的,不是特别需要不要更改里面的任何文件.</p> <p style="line-height: 150%"><strong>configAll.h: </strong></p> <blockquote> <p style="line-height: 150%">缺省定义了所有VxWorks的设置.如果不用缺省的设置,可在BSP目录下的config.h文件中用#define或#undef方式来更改设置.</p> </blockquote> <p style="line-height: 150%"><strong>bootInit.c: </strong></p> <blockquote> <p style="line-height: 150%">在romInit.s后,完成Boot ROM的第二步初始化.程序从romInit.s中的romInit()跳到这个文件中的romStart().来执行必要的解压和ROM image的放置.</p> </blockquote> <p style="line-height: 150%"><strong>bootConfig.c:</strong> 完成Boot ROM image的初始化和控制.</p> <p style="line-height: 150%"><strong>usrConfig.c:</strong> VxWorks image的初始化代码.</p> </blockquote> <ul> <li> <p style="line-height: 150%"><strong><big>目录target/config/comps/src: </big></strong></li> </ul> <blockquote> <blockquote> <p style="line-height: 150%"><big>涉及系统核心的components,主要由target/config/All中usrConfig.c中函数调用</big></p> </blockquote> </blockquote> </blockquote> <blockquote> <ul> <li> <p style="line-height: 150%"><big><strong>目录target/config/bspname:</strong></big></li> </ul> <blockquote> <p style="line-height: 150%"><big><strong>包含系统或硬件相关的BSP文件.</strong></big></p> </blockquote> </blockquote> <blockquote> <blockquote> <p style="line-height: 150%"><strong><big>Makefile </big></strong></p> <blockquote> <p style="line-height: 150%"><big>一些命令行控制images的生成,</big>参见 <a href="http://drew.nease.net/mypage/example/config.htm" target="_blank">BSP设置部分及生成下载</a></p> </blockquote> <p style="line-height: 150%"><strong><big>README</big></strong></p> <blockquote> <p style="line-height: 150%"><big>BSP发布纪录,版本,总的文档</big></p> </blockquote> <p style="line-height: 150%"><strong><big>config.h</big></strong></p> <blockquote> <p style="line-height: 150%">包括所有涉及CPU主板的设置及定义(includes,definations),参见 <a href="http://drew.nease.net/mypage/example/config.htm" target="_blank">BSP设置文件及生成下载</a></p> </blockquote> <p style="line-height: 150%"><strong><big>configNet.h</big></strong></p> <blockquote> <p style="line-height: 150%"><big>网络驱动的主要设置文件,主要对END驱动设置.</big></p> ⌨️ 快捷键说明
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