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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="The main module and entrypoint"><title>os - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../static.files/rustdoc-b21aa549bf6d91ff.css"><meta name="rustdoc-vars" data-root-path="../" data-static-root-path="../static.files/" data-current-crate="os" data-themes="" data-resource-suffix="" data-rustdoc-version="1.80.0-nightly (f705de596 2024-04-30)" data-channel="nightly" data-search-js="search-bf21c90c8c1d92b1.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../static.files/storage-e32f0c247825364d.js"></script><script defer src="../crates.js"></script><script defer src="../static.files/main-20a3ad099b048cf2.js"></script><noscript><link rel="stylesheet" href="../static.files/noscript-09095024cf37855e.css"></noscript><link rel="alternate icon" type="image/png" href="../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod crate"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../os/index.html">os</a><span class="version">0.1.0</span></h2></div><div class="sidebar-elems"><ul class="block"><li><a id="all-types" href="all.html">All Items</a></li></ul><section><ul class="block"><li><a href="#modules">Modules</a></li><li><a href="#macros">Macros</a></li><li><a href="#functions">Functions</a></li></ul></section></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><nav class="sub"><form class="search-form"><span></span><div id="sidebar-button" tabindex="-1"><a href="../os/all.html" title="show sidebar"></a></div><input class="search-input" name="search" aria-label="Run search in the documentation" autocomplete="off" spellcheck="false" placeholder="Type ‘S’ or ‘/’ to search, ‘?’ for more options…" type="search"><div id="help-button" tabindex="-1"><a href="../help.html" title="help">?</a></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings">Settings</a></div></form></nav><section id="main-content" class="content"><div class="main-heading"><h1>Crate <a class="mod" href="#">os</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../src/os/main.rs.html#1-76">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>−</span>]</button></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>The main module and entrypoint</p>
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<p>The operating system and app also starts in this module. Kernel code starts
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executing from <code>entry.asm</code>, after which <a href="fn.rust_main.html" title="fn os::rust_main"><code>rust_main()</code></a> is called to
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initialize various pieces of functionality <a href="fn.clear_bss.html" title="fn os::clear_bss"><code>clear_bss()</code></a>. (See its source code for
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details.)</p>
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<p>We then call <a href="macro.println.html" title="macro os::println"><code>println!</code></a> to display <code>Hello, world!</code>.</p>
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</div></details><h2 id="modules" class="section-header">Modules<a href="#modules" class="anchor">§</a></h2><ul class="item-table"><li><div class="item-name"><a class="mod" href="console/index.html" title="mod os::console">console</a><span title="Restricted Visibility"> 🔒</span> </div><div class="desc docblock-short">SBI console driver, for text output</div></li><li><div class="item-name"><a class="mod" href="lang_items/index.html" title="mod os::lang_items">lang_items</a><span title="Restricted Visibility"> 🔒</span> </div><div class="desc docblock-short">The panic handler</div></li><li><div class="item-name"><a class="mod" href="logging/index.html" title="mod os::logging">logging</a><span title="Restricted Visibility"> 🔒</span> </div></li><li><div class="item-name"><a class="mod" href="sbi/index.html" title="mod os::sbi">sbi</a><span title="Restricted Visibility"> 🔒</span> </div></li></ul><h2 id="macros" class="section-header">Macros<a href="#macros" class="anchor">§</a></h2><ul class="item-table"><li><div class="item-name"><a class="macro" href="macro.print.html" title="macro os::print">print</a></div><div class="desc docblock-short">print string macro</div></li><li><div class="item-name"><a class="macro" href="macro.println.html" title="macro os::println">println</a></div><div class="desc docblock-short">println string macro</div></li></ul><h2 id="functions" class="section-header">Functions<a href="#functions" class="anchor">§</a></h2><ul class="item-table"><li><div class="item-name"><a class="fn" href="fn.clear_bss.html" title="fn os::clear_bss">clear_bss</a></div><div class="desc docblock-short">clear BSS segment</div></li><li><div class="item-name"><a class="fn" href="fn.rust_main.html" title="fn os::rust_main">rust_main</a></div><div class="desc docblock-short">the rust entry-point of os</div></li></ul></section></div></main></body></html> |