https://evex.one/tags/lab-6.s081/ Recent content in Lab 6.S081 on Eval-EXEC Hugo -- gohugo.io en execvy@gmail.com (EXEC) execvy@gmail.com (EXEC) ©2026 Fri, 01 May 2020 11:33:58 +0800 https://evex.one/posts/os/6.828/lab_utils/ Fri, 01 May 2020 11:33:58 +0800 execvy@gmail.com (EXEC) Fri, 01 May 2020 11:33:58 +0800 https://evex.one/posts/os/6.828/lab_utils/ <h1 id="实验环境搭建">实验环境搭建</h1> <p>课程主页：<a href="https://pdos.csail.mit.edu/6.828/">MIT 6.S081 Operating System</a></p> <p>最开始<code>make qemu</code>报错，提示我没有 riscv64 版本的 binutils：</p> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt"> 1 </span><span class="lnt"> 2 </span><span class="lnt"> 3 </span><span class="lnt"> 4 </span><span class="lnt"> 5 </span><span class="lnt"> 6 </span><span class="lnt"> 7 </span><span class="lnt"> 8 </span><span class="lnt"> 9 </span><span class="lnt">10 </span><span class="lnt">11 </span><span class="lnt">12 </span><span class="lnt">13 </span><span class="lnt">14 </span><span class="lnt">15 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">&gt; make qemu </span></span><span class="line"><span class="cl">*** </span></span><span class="line"><span class="cl">*** Error: Couldn<span class="s1">&#39;t find a riscv64 version of GCC/binutils. </span></span></span><span class="line"><span class="cl"><span class="s1">*** To turn off this error, run &#39;</span>gmake <span class="nv">TOOLPREFIX</span><span class="o">=</span> ...<span class="s1">&#39;. </span></span></span><span class="line"><span class="cl"><span class="s1">*** </span></span></span><span class="line"><span class="cl"><span class="s1">gcc -c -o kernel/entry.o kernel/entry.S </span></span></span><span class="line"><span class="cl"><span class="s1">kernel/entry.S: Assembler messages: </span></span></span><span class="line"><span class="cl"><span class="s1">kernel/entry.S:11: Error: no such instruction: `la sp,stack0&#39;</span> </span></span><span class="line"><span class="cl">kernel/entry.S:12: Error: no such instruction: <span class="sb">`</span>li a0,1024*4<span class="s1">&#39; </span></span></span><span class="line"><span class="cl"><span class="s1">kernel/entry.S:13: Error: no such instruction: `csrr a1,mhartid&#39;</span> </span></span><span class="line"><span class="cl">kernel/entry.S:14: Error: no such instruction: <span class="sb">`</span>addi a1,a1,1<span class="s1">&#39; </span></span></span><span class="line"><span class="cl"><span class="s1">kernel/entry.S:15: Error: too many memory references for `mul&#39;</span> </span></span><span class="line"><span class="cl">kernel/entry.S:16: Error: too many memory references <span class="k">for</span> <span class="sb">`</span>add<span class="s1">&#39; </span></span></span><span class="line"><span class="cl"><span class="s1">kernel/entry.S:20: Error: no such instruction: `j spin&#39;</span> </span></span><span class="line"><span class="cl">make: *** <span class="o">[</span>&lt;builtin&gt;: kernel/entry.o<span class="o">]</span> Error <span class="m">1</span> </span></span></code></pre></td></tr></table> </div> </div><p><code>ArchLinux</code> 这样安装相关依赖，其他系统参考： <a href="https://pdos.csail.mit.edu/6.828/2019/tools.html">6.S081 tools / Fall 2020</a></p> EXEC featured image lab 6.S081 os 6.S081