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<li class="toctree-l1 has-children"><a class="reference internal" href="0setup-devel-env.html">第零章：实验环境配置</a><input class="toctree-checkbox" id="toctree-checkbox-1" name="toctree-checkbox-1" role="switch" type="checkbox"/><label for="toctree-checkbox-1"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul class="simple">
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<li class="toctree-l1 has-children"><a class="reference internal" href="chapter1/index.html">第一章：应用程序与基本执行环境</a><input class="toctree-checkbox" id="toctree-checkbox-2" name="toctree-checkbox-2" role="switch" type="checkbox"/><label for="toctree-checkbox-2"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="chapter1/0intro.html">引言</a></li>
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<li class="toctree-l2 has-children"><a class="reference internal" href="chapter1/1app-ee-platform.html">应用程序执行环境与平台支持</a><input class="toctree-checkbox" id="toctree-checkbox-3" name="toctree-checkbox-3" role="switch" type="checkbox"/><label for="toctree-checkbox-3"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul class="simple">
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<li class="toctree-l2 has-children"><a class="reference internal" href="chapter1/2remove-std.html">移除标准库依赖</a><input class="toctree-checkbox" id="toctree-checkbox-4" name="toctree-checkbox-4" role="switch" type="checkbox"/><label for="toctree-checkbox-4"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul class="simple">
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<li class="toctree-l2 has-children"><a class="reference internal" href="chapter1/3mini-rt-usrland.html">构建用户态执行环境</a><input class="toctree-checkbox" id="toctree-checkbox-5" name="toctree-checkbox-5" role="switch" type="checkbox"/><label for="toctree-checkbox-5"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul class="simple">
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<li class="toctree-l2 has-children"><a class="reference internal" href="chapter1/4mini-rt-baremetal.html">构建裸机执行环境</a><input class="toctree-checkbox" id="toctree-checkbox-6" name="toctree-checkbox-6" role="switch" type="checkbox"/><label for="toctree-checkbox-6"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul class="simple">
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<li class="toctree-l1 has-children"><a class="reference internal" href="chapter2/index.html">第二章：批处理系统</a><input class="toctree-checkbox" id="toctree-checkbox-7" name="toctree-checkbox-7" role="switch" type="checkbox"/><label for="toctree-checkbox-7"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="chapter2/0intro.html">引言</a></li>
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<li class="toctree-l2 has-children"><a class="reference internal" href="chapter2/2application.html">实现应用程序</a><input class="toctree-checkbox" id="toctree-checkbox-8" name="toctree-checkbox-8" role="switch" type="checkbox"/><label for="toctree-checkbox-8"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul class="simple">
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<li class="toctree-l2 has-children"><a class="reference internal" href="chapter2/3batch-system.html">实现批处理操作系统</a><input class="toctree-checkbox" id="toctree-checkbox-9" name="toctree-checkbox-9" role="switch" type="checkbox"/><label for="toctree-checkbox-9"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul class="simple">
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<li class="toctree-l2 has-children"><a class="reference internal" href="chapter2/4trap-handling.html">实现特权级的切换</a><input class="toctree-checkbox" id="toctree-checkbox-10" name="toctree-checkbox-10" role="switch" type="checkbox"/><label for="toctree-checkbox-10"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul class="simple">
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<li class="toctree-l1 has-children"><a class="reference internal" href="chapter3/index.html">第三章：多道程序与分时多任务</a><input class="toctree-checkbox" id="toctree-checkbox-11" name="toctree-checkbox-11" role="switch" type="checkbox"/><label for="toctree-checkbox-11"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="chapter3/0intro.html">引言</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter3/1multi-loader.html">多道程序放置与加载</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter3/2task-switching.html">任务切换</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter3/3multiprogramming.html">管理多道程序</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter3/4time-sharing-system.html">分时多任务系统</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter3/5exercise.html">chapter3练习</a></li>
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<li class="toctree-l1 has-children"><a class="reference internal" href="chapter4/index.html">第四章：地址空间</a><input class="toctree-checkbox" id="toctree-checkbox-12" name="toctree-checkbox-12" role="switch" type="checkbox"/><label for="toctree-checkbox-12"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="chapter4/0intro.html">引言</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter4/3sv39-implementation-1.html">实现 SV39 多级页表机制（上）</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter4/4sv39-implementation-2.html">实现 SV39 多级页表机制（下）</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter4/5kernel-app-spaces.html">内核与应用的地址空间</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter4/6multitasking-based-on-as.html">基于地址空间的分时多任务</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter4/7exercise.html">chapter4练习</a></li>
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<li class="toctree-l1 has-children"><a class="reference internal" href="chapter5/index.html">第五章：进程及进程管理</a><input class="toctree-checkbox" id="toctree-checkbox-13" name="toctree-checkbox-13" role="switch" type="checkbox"/><label for="toctree-checkbox-13"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="chapter5/0intro.html">引言</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter5/1process.html">与进程有关的重要系统调用</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter5/2core-data-structures.html">进程管理的核心数据结构</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter5/3implement-process-mechanism.html">进程管理机制的设计实现</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter5/4exercise.html">chapter5练习</a></li>
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<li class="toctree-l1 has-children"><a class="reference internal" href="chapter6/index.html">第六章：文件系统与I/O重定向</a><input class="toctree-checkbox" id="toctree-checkbox-14" name="toctree-checkbox-14" role="switch" type="checkbox"/><label for="toctree-checkbox-14"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="chapter6/0intro.html">引言</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter6/1file-descriptor.html">文件与文件描述符</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter6/1fs-interface.html">文件系统接口</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter6/2fs-implementation-1.html">简易文件系统 easy-fs (上)</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter6/2fs-implementation-2.html">简易文件系统 easy-fs (下)</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter6/3using-easy-fs-in-kernel.html">在内核中使用 easy-fs</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter6/4exercise.html">chapter6练习</a></li>
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<li class="toctree-l1 has-children"><a class="reference internal" href="chapter7/index.html">第七章：进程间通信</a><input class="toctree-checkbox" id="toctree-checkbox-15" name="toctree-checkbox-15" role="switch" type="checkbox"/><label for="toctree-checkbox-15"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="chapter7/0intro.html">引言</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter7/1pipe.html">管道</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter7/2cmdargs-and-redirection.html">命令行参数与标准 I/O 重定向</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter7/3exercise.html">chapter7练习</a></li>
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<li class="toctree-l1 has-children"><a class="reference internal" href="chapter8/index.html">第八章：并发</a><input class="toctree-checkbox" id="toctree-checkbox-16" name="toctree-checkbox-16" role="switch" type="checkbox"/><label for="toctree-checkbox-16"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="chapter8/1thread-kernel.html">内核态的线程管理</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter8/2lock.html">锁机制</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter8/3semaphore.html">信号量机制</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter8/4condition-variable.html">条件变量机制</a></li>
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<li class="toctree-l2"><a class="reference internal" href="chapter8/5exercise.html">chapter8 练习</a></li>
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<h1>2022年开源操作系统训练营<a class="headerlink" href="#id1" title="永久链接至标题">¶</a></h1>
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<p>本教程展示了如何 <strong>从零开始</strong> 用 <strong>Rust</strong> 语言写一个基于 <strong>RISC-V</strong> 架构的 <strong>类 Unix 内核</strong> 。</p>
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<p>本项目基于 <a class="reference external" href="https://github.com/LearningOS/rCore-Tutorial-Code-2022S">2022 年春季学期操作系统实验指导书</a> ，重构的目标是在保留结构的基础上屏蔽不必要的细节，缩短篇幅，优化语言，降低阅读成本。</p>
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<h2>项目协作<a class="headerlink" href="#id6" title="永久链接至标题">¶</a></h2>
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