<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[kernel输出串口bootargs设置ttyS0没输出]]></title><description><![CDATA[<p dir="auto">主线内核kernel输出串口bootargs设置ttyS0没看到有输出，太难了，来请教下各位大佬</p>
<p dir="auto"><img src="/assets/uploads/files/1662444084960-kkzx.jpg" alt="KKZX.jpg" class=" img-responsive img-markdown" width="1032" height="224" /></p>
]]></description><link>https://bbs.aw-ol.com/topic/2057/kernel输出串口bootargs设置ttys0没输出</link><generator>RSS for Node</generator><lastBuildDate>Sun, 19 Apr 2026 11:46:37 GMT</lastBuildDate><atom:link href="https://bbs.aw-ol.com/topic/2057.rss" rel="self" type="application/rss+xml"/><pubDate>Tue, 06 Sep 2022 06:01:33 GMT</pubDate><ttl>60</ttl><item><title><![CDATA[Reply to kernel输出串口bootargs设置ttyS0没输出 on Tue, 06 Sep 2022 07:26:35 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="https://bbs.aw-ol.com/uid/1120">@evler</a> 我试试</p>
]]></description><link>https://bbs.aw-ol.com/post/10143</link><guid isPermaLink="true">https://bbs.aw-ol.com/post/10143</guid><dc:creator><![CDATA[abcdef]]></dc:creator><pubDate>Tue, 06 Sep 2022 07:26:35 GMT</pubDate></item><item><title><![CDATA[Reply to kernel输出串口bootargs设置ttyS0没输出 on Wed, 07 Sep 2022 01:50:00 GMT]]></title><description><![CDATA[<p dir="auto"><a class="plugin-mentions-user plugin-mentions-a" href="https://bbs.aw-ol.com/uid/820">@yanmingjian</a>   找不到在哪 看起来还是有点问题</p>
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<img src="/assets/uploads/files/1662448992343-qq%E5%9B%BE%E7%89%8720220906152216.jpg" alt="QQ图片20220906152216.jpg" class=" img-responsive img-markdown" /></p>
]]></description><link>https://bbs.aw-ol.com/post/10142</link><guid isPermaLink="true">https://bbs.aw-ol.com/post/10142</guid><dc:creator><![CDATA[abcdef]]></dc:creator><pubDate>Wed, 07 Sep 2022 01:50:00 GMT</pubDate></item><item><title><![CDATA[Reply to kernel输出串口bootargs设置ttyS0没输出 on Tue, 06 Sep 2022 06:40:06 GMT]]></title><description><![CDATA[<p dir="auto">看着像内核没起来，kernel内也要配置console index和uart地址，要到kernel的menuconfig里找到kernel hacking部分进行配置 （arm的一个坑，两边两边地址不一样kernel就不起来了</p>
]]></description><link>https://bbs.aw-ol.com/post/10136</link><guid isPermaLink="true">https://bbs.aw-ol.com/post/10136</guid><dc:creator><![CDATA[yanmingjian]]></dc:creator><pubDate>Tue, 06 Sep 2022 06:40:06 GMT</pubDate></item><item><title><![CDATA[Reply to kernel输出串口bootargs设置ttyS0没输出 on Tue, 06 Sep 2022 06:23:25 GMT]]></title><description><![CDATA[<p dir="auto">可能内核在初始化串口前就挂了</p>
<h3>无法输出串口日志的调试记录</h3>
<ul>
<li>打开 earlycon 功能，让内核使用 uboot 初始化好的串口进行输出：</li>
</ul>
<pre><code>&gt; Device Drivers 
	&gt; Character devices 
		&gt; Serial drivers
			[*] Early console using ARM semihosting
</code></pre>
<ul>
<li>在 bootargs 变量中带上 earlycon 参数</li>
</ul>
]]></description><link>https://bbs.aw-ol.com/post/10135</link><guid isPermaLink="true">https://bbs.aw-ol.com/post/10135</guid><dc:creator><![CDATA[evler]]></dc:creator><pubDate>Tue, 06 Sep 2022 06:23:25 GMT</pubDate></item><item><title><![CDATA[Reply to kernel输出串口bootargs设置ttyS0没输出 on Wed, 07 Sep 2022 02:05:37 GMT]]></title><description><![CDATA[<p dir="auto">不懂了，uart地址也是用的内核自带的设备树<img src="https://bbs.aw-ol.com/plugins/nodebb-plugin-emoji/emoji/android/1f627.png?v=9vrjmbh7mr2" class="not-responsive emoji emoji-android emoji--anguished" title=":anguished:" alt="😧" />kernel的设备树uart地址跟uboot设备树中的uart地址是一样的</p>
]]></description><link>https://bbs.aw-ol.com/post/10134</link><guid isPermaLink="true">https://bbs.aw-ol.com/post/10134</guid><dc:creator><![CDATA[abcdef]]></dc:creator><pubDate>Wed, 07 Sep 2022 02:05:37 GMT</pubDate></item></channel></rss>