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<title>Building - Rust UEFI Book</title>
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<ol class="chapter"><li class="chapter-item expanded "><a href="../introduction.html"><strong aria-hidden="true">1.</strong> Introduction</a></li><li class="chapter-item expanded "><a href="../tutorial/introduction.html"><strong aria-hidden="true">2.</strong> Tutorial</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../tutorial/app.html"><strong aria-hidden="true">2.1.</strong> Creating a UEFI Application</a></li><li class="chapter-item expanded "><a href="../tutorial/building.html" class="active"><strong aria-hidden="true">2.2.</strong> Building</a></li><li class="chapter-item expanded "><a href="../tutorial/vm.html"><strong aria-hidden="true">2.3.</strong> Running in a VM</a></li><li class="chapter-item expanded "><a href="../tutorial/hardware.html"><strong aria-hidden="true">2.4.</strong> Running on Hardware</a></li></ol></li><li class="chapter-item expanded "><a href="../how_to/introduction.html"><strong aria-hidden="true">3.</strong> How-to</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../how_to/protocols.html"><strong aria-hidden="true">3.1.</strong> Using Protocols</a></li><li class="chapter-item expanded "><a href="../how_to/drawing.html"><strong aria-hidden="true">3.2.</strong> Drawing to the Screen</a></li><li class="chapter-item expanded "><a href="../how_to/building_drivers.html"><strong aria-hidden="true">3.3.</strong> Building drivers</a></li><li class="chapter-item expanded "><a href="../how_to/rust-std.html"><strong aria-hidden="true">3.4.</strong> Combining Rust std with uefi</a></li></ol></li><li class="chapter-item expanded "><a href="../concepts/introduction.html"><strong aria-hidden="true">4.</strong> Concepts</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../concepts/boot_stages.html"><strong aria-hidden="true">4.1.</strong> Boot Stages</a></li><li class="chapter-item expanded "><a href="../concepts/tables.html"><strong aria-hidden="true">4.2.</strong> Tables</a></li><li class="chapter-item expanded "><a href="../concepts/guid.html"><strong aria-hidden="true">4.3.</strong> GUID</a></li><li class="chapter-item expanded "><a href="../concepts/handles_and_protocols.html"><strong aria-hidden="true">4.4.</strong> Handles and Protocols</a></li><li class="chapter-item expanded "><a href="../concepts/device_paths.html"><strong aria-hidden="true">4.5.</strong> Device Paths</a></li><li class="chapter-item expanded "><a href="../concepts/variables.html"><strong aria-hidden="true">4.6.</strong> Variables</a></li><li class="chapter-item expanded "><a href="../concepts/gpt.html"><strong aria-hidden="true">4.7.</strong> GPT</a></li></ol></li><li class="chapter-item expanded "><a href="../reference.html"><strong aria-hidden="true">5.</strong> Reference</a></li></ol>
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<h1 class="menu-title">Rust UEFI Book</h1>
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<h1 id="building"><a class="header" href="#building">Building</a></h1>
<h2 id="toolchain"><a class="header" href="#toolchain">Toolchain</a></h2>
<p>In order to compile for UEFI, an appropriate target must be installed. Unless
your operating system provides packages for the Rust UEFI targets, the easiest
way to set this up is using a <a href="https://rust-lang.github.io/rustup/overrides.html#the-toolchain-file">rustup toolchain file</a>. In the root of your
repository, add <code>rust-toolchain.toml</code>:</p>
<pre><code class="language-toml">[toolchain]
targets = [&quot;aarch64-unknown-uefi&quot;, &quot;i686-unknown-uefi&quot;, &quot;x86_64-unknown-uefi&quot;]
</code></pre>
<p>Here we have specified all three of the currently-supported UEFI targets; you
can remove some if you don't need them.</p>
<h2 id="build-the-application"><a class="header" href="#build-the-application">Build the application</a></h2>
<p>Run this command to build the application:</p>
<pre><code class="language-sh">cargo build --target x86_64-unknown-uefi
</code></pre>
<p>This will produce an x86-64 executable:
<code>target/x86_64-unknown-uefi/debug/my-uefi-app.efi</code>.</p>
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