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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="chapter4/3sv39-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="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="chapter8/1thread-kernel.html">内核态的线程管理</a></li>
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<li class="toctree-l1"><a class="reference internal" href="appendix-d/index.html">附录 D：RISC-V相关信息</a></li>
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<div class="section" id="id1">
<h1>第零章：实验环境配置<a class="headerlink" href="#id1" title="永久链接至标题"></a></h1>
<div class="toctree-wrapper compound">
</div>
<p>本节我们将完成环境配置并成功运行 rCore-Tutorial 。整个流程分为下面几个部分：</p>
<ul class="simple">
<li><p>OS 环境配置</p></li>
<li><p>Rust 开发环境配置</p></li>
<li><p>Qemu 模拟器安装</p></li>
<li><p>其他工具安装</p></li>
<li><p>试运行 rCore-Tutorial</p></li>
</ul>
<p>如果你在环境配置中遇到了无法解决的问题，请在本节讨论区留言，我们会尽力提供帮助。</p>
<p>目前，实验主要支持 Ubuntu18.04/20.04 操作系统。使用 Windows10 和 macOS 的读者，可以安装一台 Ubuntu18.04 虚拟机或 Docker
进行实验。也可基于 <strong>gihub classroom with codespaces</strong> 进行开发。</p>
<div class="section" id="github-classroomos">
<h2>Github Classroom方式进行在线OS 环境配置<a class="headerlink" href="#github-classroomos" title="永久链接至标题"></a></h2>
<div class="admonition note">
<p class="admonition-title">注解</p>
<p><strong>基于github classroom的在线开发方式</strong></p>
<p>基于github classroom，可方便建立开发用的git repository，并可基于github的 codespace （在线版ubuntu +vscode）在线开发使用。整个开发环境仅仅需要一个网络浏览器。</p>
<ol class="arabic simple">
<li><p>在网络浏览器中用自己的 github id 登录 github.com</p></li>
<li><p>接收 <a class="reference external" href="https://classroom.github.com/a/hnoWuKGF">第一个实验练习 setup-env-run-os1 的github classroom在线邀请</a> ，根据提示一路选择OK即可。</p></li>
<li><p>完成第二步后，你的第一个实验练习 setup-env-run-os1 的 github repository 会被自动建立好，点击此github repository的链接，就可看到你要完成的第一个实验了。</p></li>
<li><p>在你的第一个实验练习的网页的中上部可以看到一个醒目的 <cite>code</cite> 绿色按钮，点击后，可以进一步看到 <cite>codespace</cite> 标签和醒目的 <cite>create codesapce on main</cite> 绿色按钮。请点击这个绿色按钮，就可以进入到在线的ubuntu +vscode环境中</p></li>
<li><p>再按照下面的环境安装提示在vscode的 <cite>console</cite> 中安装配置开发环境：rustc，qemu等工具。注：也可在vscode的 <cite>console</cite> 中执行 <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">codespaces_setenv</span></code> 来自动安装配置开发环境（执行``sudo``需要root权限，仅需要执行一次）。</p></li>
<li><p><strong>重要：</strong> 在vscode的 <cite>console</cite> 中执行 <cite>make setupclassroom_testX</cite> （该命令仅执行一次，X的范围为 1-8）配置githubclassroom 自动评分功能。</p></li>
<li><p>然后就可以基于在线vscode进行开发、运行、提交等完整的实验过程了。</p></li>
</ol>
<p>上述的3，4，5步不是必须的，你也可以仅仅基于 <code class="docutils literal notranslate"><span class="pre">Github</span> <span class="pre">Classromm</span></code> 生成git repository，并进行本地开发。</p>
</div>
</div>
<div class="section" id="dockeros">
<h2>Docker方式进行本地OS开发环境配置<a class="headerlink" href="#dockeros" title="永久链接至标题"></a></h2>
<div class="admonition note">
<p class="admonition-title">注解</p>
<p><strong>Docker 开发环境</strong></p>
<p>感谢 dinghao188 和张汉东老师帮忙配置好的 Docker 开发环境，进入 Docker 开发环境之后不需要任何软件工具链的安装和配置，可以直接将 tutorial 运行起来，目前应该仅支持将 tutorial 运行在 Qemu 模拟器上。</p>
<p>使用方法如下（以 Ubuntu18.04 为例）：</p>
<ol class="arabic simple">
<li><p>通过 <code class="docutils literal notranslate"><span class="pre">su</span></code> 切换到管理员账户 <code class="docutils literal notranslate"><span class="pre">root</span></code> ；</p></li>
<li><p>在 <code class="docutils literal notranslate"><span class="pre">rCore-Tutorial</span></code> 根目录下 <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">docker</span></code> 进入到 Docker 环境；</p></li>
<li><p>进入 Docker 之后，会发现当前处于根目录 <code class="docutils literal notranslate"><span class="pre">/</span></code> ，我们通过 <code class="docutils literal notranslate"><span class="pre">cd</span> <span class="pre">mnt</span></code> 将当前工作路径切换到 <code class="docutils literal notranslate"><span class="pre">/mnt</span></code> 目录；</p></li>
<li><p>通过 <code class="docutils literal notranslate"><span class="pre">ls</span></code> 可以发现 <code class="docutils literal notranslate"><span class="pre">/mnt</span></code> 目录下的内容和 <code class="docutils literal notranslate"><span class="pre">rCore-Tutorial-v3</span></code> 目录下的内容完全相同，接下来就可以在这个环境下运行 tutorial 了。例如 <code class="docutils literal notranslate"><span class="pre">cd</span> <span class="pre">os</span> <span class="pre">&amp;&amp;</span> <span class="pre">make</span> <span class="pre">run</span></code> 。</p></li>
</ol>
</div>
<p>注：目前的Docker开发环境没有配置 Qemu-7.0.0 和下载 <a class="reference external" href="https://github.com/LearningOS/rust-based-os-comp2022.git">https://github.com/LearningOS/rust-based-os-comp2022.git</a> 。所以还需要按照下面的步骤进行手动配置。</p>
</div>
<div class="section" id="os">
<h2>手动方式进行本地OS开发环境配置<a class="headerlink" href="#os" title="永久链接至标题"></a></h2>
<blockquote>
<div><p>注：如果是本地的ubuntu中建立开发环境，可在shell中执行 <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">ubuntu_local_setenv</span></code> 来快速安装配置开发环境（执行``sudo``需要root权限，仅需要执行一次）。</p>
<p>当然，也可以通过如下详细介绍，一步一步地手动配置开发环境。</p>
</div></blockquote>
<p>Windows10 用户可以通过系统内置的 <strong>WSL2</strong> 虚拟机（请不要使用 WSL1）来安装 Ubuntu 18.04 / 20.04 。读者请自行在互联网上搜索相关安装教程，或 <a class="reference external" href="https://docs.microsoft.com/zh-cn/windows/wsl/install-win10#step-4---download-the-linux-kernel-update-package">适用于 Linux 的 Windows 子系统安装指南 (Windows 10)</a> 。</p>
<p>使用 macOS 进行实验理论上也是可行的，但本章节仅介绍 Ubuntu 下的环境配置方案。</p>
<div class="admonition note">
<p class="admonition-title">注解</p>
<p>经初步测试，使用 M1 芯片的 macOS 也可以运行本实验的框架，即我们的实验对平台的要求不是很高。但我们仍建议同学配置 Ubuntu 环境，以避免未知的环境问题。</p>
</div>
<div class="section" id="rust">
<h3>Rust 开发环境配置<a class="headerlink" href="#rust" title="永久链接至标题"></a></h3>
<p>首先安装 Rust 版本管理器 rustup 和 Rust 包管理器 cargo，可以使用官方安装脚本：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>curl https://sh.rustup.rs -sSf <span class="p">|</span> sh
</pre></div>
</div>
<p>如果因网络问题通过命令行下载脚本失败了，可以在浏览器地址栏中输入 <a class="reference external" href="https://sh.rustup.rs">https://sh.rustup.rs</a> 将脚本下载到本地运行。或者使用字节跳动提供的镜像源。</p>
<p>建议将 rustup 的镜像地址修改为中科大的镜像服务器，以加速安装：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="nb">export</span> <span class="nv">RUSTUP_DIST_SERVER</span><span class="o">=</span>https://mirrors.ustc.edu.cn/rust-static
<span class="nb">export</span> <span class="nv">RUSTUP_UPDATE_ROOT</span><span class="o">=</span>https://mirrors.ustc.edu.cn/rust-static/rustup
curl https://sh.rustup.rs -sSf <span class="p">|</span> sh
</pre></div>
</div>
<p>或者使用 tuna 源来加速（建议清华同学在校园网中使用） <a class="reference external" href="https://mirrors.tuna.tsinghua.edu.cn/help/rustup/">参见 rustup 帮助</a>：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="nb">export</span> <span class="nv">RUSTUP_DIST_SERVER</span><span class="o">=</span>https://mirrors.tuna.edu.cn/rustup
<span class="nb">export</span> <span class="nv">RUSTUP_UPDATE_ROOT</span><span class="o">=</span>https://mirrors.tuna.edu.cn/rustup/rustup
curl https://sh.rustup.rs -sSf <span class="p">|</span> sh
</pre></div>
</div>
<p>也可以设置科学上网代理：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="c1"># e.g. Shadowsocks 代理，请根据自身配置灵活调整下面的链接</span>
<span class="nb">export</span> <span class="nv">https_proxy</span><span class="o">=</span>http://127.0.0.1:1080
<span class="nb">export</span> <span class="nv">http_proxy</span><span class="o">=</span>http://127.0.0.1:1080
<span class="nb">export</span> <span class="nv">ftp_proxy</span><span class="o">=</span>http://127.0.0.1:1080
</pre></div>
</div>
<p>安装中全程选择默认选项即可。</p>
<p>安装完成后，我们可以重新打开一个终端来让新设置的环境变量生效，也可以手动将环境变量设置应用到当前终端，
只需输入以下命令：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="nb">source</span> <span class="nv">$HOME</span>/.cargo/env
</pre></div>
</div>
<p>确认一下我们正确安装了 Rust 工具链：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>rustc --version
</pre></div>
</div>
<p>最好把 Rust 包管理器 cargo 镜像地址 crates.io 也替换成中国科学技术大学的镜像服务器，来加速三方库的下载。
打开或新建 <code class="docutils literal notranslate"><span class="pre">~/.cargo/config</span></code> 文件，并把内容修改为：</p>
<div class="highlight-toml notranslate"><div class="highlight"><pre><span></span><span class="k">[source.crates-io]</span>
<span class="n">registry</span> <span class="o">=</span> <span class="s">"https://github.com/rust-lang/crates.io-index"</span>
<span class="n">replace-with</span> <span class="o">=</span> <span class="s">'ustc'</span>
<span class="k">[source.ustc]</span>
<span class="n">registry</span> <span class="o">=</span> <span class="s">"git://mirrors.ustc.edu.cn/crates.io-index"</span>
</pre></div>
</div>
<p>同样，也可以使用tuna源 <a class="reference external" href="https://mirrors.tuna.tsinghua.edu.cn/help/crates.io-index.git/">参见 crates.io 帮助</a>：</p>
<div class="highlight-toml notranslate"><div class="highlight"><pre><span></span><span class="k">[source.crates-io]</span>
<span class="n">replace-with</span> <span class="o">=</span> <span class="s">'tuna'</span>
<span class="k">[source.tuna]</span>
<span class="n">registry</span> <span class="o">=</span> <span class="s">"https://mirrors.tuna.tsinghua.edu.cn/git/crates.io-index.git"</span>
</pre></div>
</div>
<p>推荐 Visual Studio Code 搭配 rust-analyzer 和 RISC-V Support 插件 进行代码阅读和开发。</p>
<p>也可采用 JetBrains Clion + Rust插件进行代码阅读和开发。</p>
<div class="admonition note">
<p class="admonition-title">注解</p>
<ul class="simple">
<li><p>JetBrains Clion是付费商业软件，但对于学生和教师，只要在 JetBrains 网站注册账号，可以享受一定期限（半年左右）的免费使用的福利。</p></li>
<li><p>Visual Studio Code 是开源软件。</p></li>
<li><p>当然，采用 VIM，Emacs 等传统的编辑器也是没有问题的。</p></li>
</ul>
</div>
</div>
<div class="section" id="qemu">
<h3>Qemu 模拟器安装<a class="headerlink" href="#qemu" title="永久链接至标题"></a></h3>
<p>我们需要使用 Qemu 7.0.0 以上版本进行实验，为此，从源码手动编译安装 Qemu 模拟器：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="c1"># 安装编译所需的依赖包</span>
sudo apt install autoconf automake autotools-dev curl libmpc-dev libmpfr-dev libgmp-dev <span class="se">\</span>
gawk build-essential bison flex texinfo gperf libtool patchutils bc <span class="se">\</span>
zlib1g-dev libexpat-dev pkg-config libglib2.0-dev libpixman-1-dev git tmux python3 ninja-build
<span class="c1"># 下载源码包</span>
<span class="c1"># 如果下载速度过慢可以使用我们提供的百度网盘链接：https://pan.baidu.com/s/1z-iWIPjxjxbdFS2Qf-NKxQ</span>
<span class="c1"># 提取码 8woe</span>
wget https://download.qemu.org/qemu-7.0.0.tar.xz
<span class="c1"># 解压</span>
tar xvJf qemu-7.0.0.tar.xz
<span class="c1"># 编译安装并配置 RISC-V 支持</span>
<span class="nb">cd</span> qemu-7.0.0
./configure --target-list<span class="o">=</span>riscv64-softmmu,riscv64-linux-user
make -j<span class="k">$(</span>nproc<span class="k">)</span>
</pre></div>
</div>
<div class="admonition note">
<p class="admonition-title">注解</p>
<p>注意，上面的依赖包可能并不完全，比如在 Ubuntu 18.04 上：</p>
<ul class="simple">
<li><p>出现 <code class="docutils literal notranslate"><span class="pre">ERROR:</span> <span class="pre">pkg-config</span> <span class="pre">binary</span> <span class="pre">'pkg-config'</span> <span class="pre">not</span> <span class="pre">found</span></code> 时，可以安装 <code class="docutils literal notranslate"><span class="pre">pkg-config</span></code> 包；</p></li>
<li><p>出现 <code class="docutils literal notranslate"><span class="pre">ERROR:</span> <span class="pre">glib-2.48</span> <span class="pre">gthread-2.0</span> <span class="pre">is</span> <span class="pre">required</span> <span class="pre">to</span> <span class="pre">compile</span> <span class="pre">QEMU</span></code> 时，可以安装
<code class="docutils literal notranslate"><span class="pre">libglib2.0-dev</span></code> 包；</p></li>
<li><p>出现 <code class="docutils literal notranslate"><span class="pre">ERROR:</span> <span class="pre">pixman</span> <span class="pre">&gt;=</span> <span class="pre">0.21.8</span> <span class="pre">not</span> <span class="pre">present</span></code> 时，可以安装 <code class="docutils literal notranslate"><span class="pre">libpixman-1-dev</span></code> 包。</p></li>
</ul>
<p>另外一些 Linux 发行版编译 Qemu 的依赖包可以从 <a class="reference external" href="https://risc-v-getting-started-guide.readthedocs.io/en/latest/linux-qemu.html#prerequisites">这里</a>
找到。请自行选择合适的编译器版本正常编译 Qemu。</p>
</div>
<p>之后我们可以在同目录下 <code class="docutils literal notranslate"><span class="pre">sudo</span> <span class="pre">make</span> <span class="pre">install</span></code> 将 Qemu 安装到 <code class="docutils literal notranslate"><span class="pre">/usr/local/bin</span></code> 目录下，但这样经常会引起
冲突。个人来说更习惯的做法是，编辑 <code class="docutils literal notranslate"><span class="pre">~/.bashrc</span></code> 文件（如果使用的是默认的 <code class="docutils literal notranslate"><span class="pre">bash</span></code> 终端），在文件的末尾加入
几行：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="c1"># 请注意，qemu-7.0.0 的父目录可以随着你的实际安装位置灵活调整</span>
<span class="nb">export</span> <span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/shinbokuow/Downloads/built/qemu-7.0.0
<span class="nb">export</span> <span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/shinbokuow/Downloads/built/qemu-7.0.0/riscv64-softmmu
<span class="nb">export</span> <span class="nv">PATH</span><span class="o">=</span><span class="nv">$PATH</span>:/home/shinbokuow/Downloads/built/qemu-7.0.0/riscv64-linux-user
</pre></div>
</div>
<p>随后即可在当前终端 <code class="docutils literal notranslate"><span class="pre">source</span> <span class="pre">~/.bashrc</span></code> 更新系统路径，或者直接重启一个新的终端。</p>
<p>确认 Qemu 的版本：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>qemu-system-riscv64 --version
qemu-riscv64 --version
</pre></div>
</div>
</div>
</div>
<div class="section" id="rcore-tutorial">
<h2>试运行 rCore-Tutorial<a class="headerlink" href="#rcore-tutorial" title="永久链接至标题"></a></h2>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ git clone https://github.com/LearningOS/rust-based-os-comp2022.git
$ <span class="nb">cd</span> rust-based-os-comp2022
$ make setupclassroom //注意：这一步很重要，是用于github classroom自动评测你的工作。这一步只需在首次克隆项目仓库时执行一次，以后一般就不用执行了，除非 .github/workflows/classroom.yml发生了变化。
</pre></div>
</div>
<p>我们先运行不需要处理用户代码的裸机操作系统 <code class="docutils literal notranslate"><span class="pre">os1</span></code> ：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="nb">cd</span> os1
<span class="nv">LOG</span><span class="o">=</span>DEBUG make run
</pre></div>
</div>
<p>如果你的环境配置正确，你应当会看到如下输出：</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>[rustsbi] RustSBI version 0.2.2, adapting to RISC-V SBI v1.0.0
.______ __ __ _______.___________. _______..______ __
| _ \ | | | | / | | / || _ \ | |
| |_) | | | | | | (----`---| |----`| (----`| |_) || |
| / | | | | \ \ | | \ \ | _ &lt; | |
| |\ \----.| `--' |.----) | | | .----) | | |_) || |
| _| `._____| \______/ |_______/ |__| |_______/ |______/ |__|
[rustsbi] Implementation : RustSBI-QEMU Version 0.1.1
[rustsbi] Platform Name : riscv-virtio,qemu
[rustsbi] Platform SMP : 1
[rustsbi] Platform Memory : 0x80000000..0x88000000
[rustsbi] Boot HART : 0
[rustsbi] Device Tree Region : 0x87000000..0x87000ef2
[rustsbi] Firmware Address : 0x80000000
[rustsbi] Supervisor Address : 0x80200000
[rustsbi] pmp01: 0x00000000..0x80000000 (-wr)
[rustsbi] pmp02: 0x80000000..0x80200000 (---)
[rustsbi] pmp03: 0x80200000..0x88000000 (xwr)
Hello, world!
[DEBUG] .rodata [0x80203000, 0x80205000)
[ INFO] .data [0x80205000, 0x80206000)
[ WARN] boot_stack [0x80206000, 0x80216000)
[ERROR] .bss [0x80216000, 0x80217000)
Panicked at src/main.rs:48 Shutdown machine!
</pre></div>
</div>
<p>通常 rCore 会自动关闭 Qemu 。如果在某些情况下需要强制结束，可以先按下 <code class="docutils literal notranslate"><span class="pre">Ctrl+A</span></code> ，再按下 <code class="docutils literal notranslate"><span class="pre">X</span></code> 来退出 Qemu。</p>
<div class="admonition attention">
<p class="admonition-title">注意</p>
<p>请务必执行 <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">run</span></code>，这将为你安装一些上文没有提及的 Rust 包依赖。</p>
<p>如果卡在了</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>Updating git repository `https://github.com/rcore-os/riscv`
</pre></div>
</div>
<p>请通过更换 hosts 等方式解决科学上网问题，或者将 riscv 项目下载到本地，并修改 os/Cargo.toml 中的 riscv 包依赖路径</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="p">[</span><span class="n">dependencies</span><span class="p">]</span>
<span class="n">riscv</span> <span class="o">=</span> <span class="p">{</span> <span class="n">path</span> <span class="o">=</span> <span class="s2">"YOUR riscv PATH"</span><span class="p">,</span> <span class="n">features</span> <span class="o">=</span> <span class="p">[</span><span class="s2">"inline-asm"</span><span class="p">]</span> <span class="p">}</span>
</pre></div>
</div>
</div>
<p>恭喜你完成了实验环境的配置，可以开始阅读教程的正文部分了！</p>
</div>
<div class="section" id="gdb">
<h2>GDB 调试支持*<a class="headerlink" href="#gdb" title="永久链接至标题"></a></h2>
<div class="admonition attention">
<p class="admonition-title">注意</p>
<p>使用 GDB debug 并不是必须的，你可以暂时跳过本小节。</p>
</div>
<p>在 <code class="docutils literal notranslate"><span class="pre">os</span></code> 目录下 <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">debug</span></code> 可以调试我们的内核，这需要安装终端复用工具 <code class="docutils literal notranslate"><span class="pre">tmux</span></code> ，还需要基于 riscv64 平台的 gdb 调试器 <code class="docutils literal notranslate"><span class="pre">riscv64-unknown-elf-gdb</span></code> 。该调试器包含在 riscv64 gcc 工具链中，工具链的预编译版本可以在如下链接处下载：</p>
<ul class="simple">
<li><p><a class="reference external" href="https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-linux-ubuntu14.tar.gz">Ubuntu 平台</a></p></li>
<li><p><a class="reference external" href="https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-apple-darwin.tar.gz">macOS 平台</a></p></li>
<li><p><a class="reference external" href="https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-w64-mingw32.zip">Windows 平台</a></p></li>
<li><p><a class="reference external" href="https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2020.04.1-x86_64-linux-centos6.tar.gz">CentOS 平台</a></p></li>
</ul>
<p>解压后在 <code class="docutils literal notranslate"><span class="pre">bin</span></code> 目录下即可找到 <code class="docutils literal notranslate"><span class="pre">riscv64-unknown-elf-gdb</span></code> 以及另外一些常用工具 <code class="docutils literal notranslate"><span class="pre">objcopy/objdump/readelf</span></code> 等。</p>
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<li><a class="reference internal" href="#">第零章：实验环境配置</a><ul>
<li><a class="reference internal" href="#github-classroomos">Github Classroom方式进行在线OS 环境配置</a></li>
<li><a class="reference internal" href="#dockeros">Docker方式进行本地OS开发环境配置</a></li>
<li><a class="reference internal" href="#os">手动方式进行本地OS开发环境配置</a><ul>
<li><a class="reference internal" href="#rust">Rust 开发环境配置</a></li>
<li><a class="reference internal" href="#qemu">Qemu 模拟器安装</a></li>
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<li><a class="reference internal" href="#rcore-tutorial">试运行 rCore-Tutorial</a></li>
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