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<?xml version="1.0" encoding="gb2312"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"/><title>Re: 哪位高手给我详细讲解一下big-endian turbolinux </title></head><body><center><h1>BBS 水木清华站∶精华区</h1></center><a name="top"></a>发信人:&nbsp;hawks&nbsp;(雏鹰),&nbsp;信区:&nbsp;Embedded&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />标&nbsp;&nbsp;题:&nbsp;Re:&nbsp;哪位高手给我详细讲解一下big-endian/little-end&nbsp;<br />发信站:&nbsp;BBS&nbsp;水木清华站&nbsp;(Fri&nbsp;May&nbsp;24&nbsp;21:01:55&nbsp;2002)&nbsp;<br />&nbsp;<br />&nbsp;<br />【&nbsp;在&nbsp;autumnstorm&nbsp;的大作中提到:&nbsp;】&nbsp;<br />∶<i>&nbsp;这位侠正好说反了&nbsp;</i><br />∶<i>&nbsp;【&nbsp;在&nbsp;stockk&nbsp;(stock)&nbsp;的大作中提到:&nbsp;】&nbsp;</i><br />∶<i>&nbsp;:&nbsp;我也记得不太清楚了。&nbsp;</i><br />∶<i>&nbsp;:&nbsp;大概是字节高低位的问题。&nbsp;</i><br />∶<i>&nbsp;:&nbsp;word&nbsp;0xABCD&nbsp;</i><br />∶<i>&nbsp;:&nbsp;high&nbsp;&nbsp;low&nbsp;</i><br />∶<i>&nbsp;:&nbsp;AB&nbsp;&nbsp;&nbsp;&nbsp;CD&nbsp;&nbsp;&nbsp;-----&gt;&nbsp;big-endian&nbsp;</i><br />∶<i>&nbsp;:&nbsp;high&nbsp;&nbsp;low&nbsp;</i><br />∶<i>&nbsp;:&nbsp;CD&nbsp;&nbsp;&nbsp;&nbsp;AB&nbsp;&nbsp;&nbsp;------&gt;&nbsp;litle-endian&nbsp;</i><br />∶<i>&nbsp;:&nbsp;&nbsp;不知道对不对&nbsp;&nbsp;</i><br />little&nbsp;endian(64位总线）&nbsp;<br />bit:&nbsp;63.................................32&nbsp;31.................................&nbsp;<br />0&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;8th&nbsp;byte&nbsp;&nbsp;7th&nbsp;byte&nbsp;&nbsp;6th&nbsp;byte&nbsp;&nbsp;5th&nbsp;byte&nbsp;&nbsp;4th&nbsp;byte&nbsp;3rd&nbsp;byte&nbsp;2nd&nbsp;byte&nbsp;1st&nbsp;byt&nbsp;<br />e&nbsp;<br />big&nbsp;endian(64位总线）&nbsp;<br />bit:&nbsp;63.................................32&nbsp;31.................................&nbsp;<br />0&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;5th&nbsp;byte&nbsp;&nbsp;6th&nbsp;byte&nbsp;&nbsp;7th&nbsp;byte&nbsp;&nbsp;8th&nbsp;byte&nbsp;&nbsp;1th&nbsp;byte&nbsp;2nd&nbsp;byte&nbsp;3thbyte&nbsp;4thbyte&nbsp;<br />&nbsp;<br />&nbsp;<br />&nbsp;<br />&nbsp;<br />&nbsp;<br />little&nbsp;endian(32位总线）&nbsp;<br />bit:&nbsp;31.................................0&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4th&nbsp;byte&nbsp;3rd&nbsp;byte&nbsp;2nd&nbsp;byte&nbsp;&nbsp;1st&nbsp;byte&nbsp;<br />big&nbsp;endian(32位总线）&nbsp;<br />bit:31.................................0&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;1th&nbsp;byte&nbsp;2nd&nbsp;byte&nbsp;3thbyte&nbsp;4thbyte&nbsp;<br />&nbsp;<br />以上就是在32位总线和64位总线时的大小endian模式字节的顺序&nbsp;<br />&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />--&nbsp;<br />&nbsp;<br />※&nbsp;来源:·BBS&nbsp;水木清华站&nbsp;smth.org·[FROM:&nbsp;202.112.109.75]&nbsp;<br /><a href="00000000.htm">上一篇</a><a href="javascript:history.go(-1)">返回上一页</a><a href="index.htm">回到目录</a><a href="#top">回到页首</a><a href="00000002.htm">下一篇</a></h1></center><center><h1>BBS 水木清华站∶精华区</h1></center></body></html>
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