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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="API documentation for the Rust `ns16550a` mod in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, ns16550a"><title>os::drivers::chardev::ns16550a - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../favicon.svg"></head><body class="rustdoc mod"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Module ns16550a</a></h2><div class="sidebar-elems"><section><div class="block"><ul><li><a href="#structs">Structs</a></li></ul></div></section></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../../os/index.html"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Module <a href="../../../index.html">os</a>::<wbr><a href="../../index.html">drivers</a>::<wbr><a href="../index.html">chardev</a>::<wbr><a class="mod" href="#">ns16550a</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../../src/os/drivers/chardev/ns16550a.rs.html#1-185">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.IER.html" title="os::drivers::chardev::ns16550a::IER struct">IER</a></div><div class="item-right docblock-short"><p>InterruptEnableRegister</p>
<!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="API documentation for the Rust `ns16550a` mod in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, ns16550a"><title>os::drivers::chardev::ns16550a - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../../storage.js"></script><script defer src="../../../../main.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../../favicon.svg"></head><body class="rustdoc mod"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Module ns16550a</a></h2><div class="sidebar-elems"><section><div class="block"><ul><li><a href="#structs">Structs</a></li></ul></div></section></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../../os/index.html"><img class="rust-logo" src="../../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Module <a href="../../../index.html">os</a>::<wbr><a href="../../index.html">drivers</a>::<wbr><a href="../index.html">chardev</a>::<wbr><a class="mod" href="#">ns16550a</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../../src/os/drivers/chardev/ns16550a.rs.html#1-186">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><h2 id="structs" class="small-section-header"><a href="#structs">Structs</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.IER.html" title="os::drivers::chardev::ns16550a::IER struct">IER</a></div><div class="item-right docblock-short"><p>InterruptEnableRegister</p>
</div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.LSR.html" title="os::drivers::chardev::ns16550a::LSR struct">LSR</a></div><div class="item-right docblock-short"><p>LineStatusRegister</p>
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</div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.NS16550a.html" title="os::drivers::chardev::ns16550a::NS16550a struct">NS16550a</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.NS16550aInner.html" title="os::drivers::chardev::ns16550a::NS16550aInner struct">NS16550aInner</a><span title="Restricted Visibility">&nbsp;🔒</span> </div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.NS16550aRaw.html" title="os::drivers::chardev::ns16550a::NS16550aRaw struct">NS16550aRaw</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.ReadWithoutDLAB.html" title="os::drivers::chardev::ns16550a::ReadWithoutDLAB struct">ReadWithoutDLAB</a><span title="Restricted Visibility">&nbsp;🔒</span> </div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="struct" href="struct.WriteWithoutDLAB.html" title="os::drivers::chardev::ns16550a::WriteWithoutDLAB struct">WriteWithoutDLAB</a><span title="Restricted Visibility">&nbsp;🔒</span> </div><div class="item-right docblock-short"></div></div></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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<span class="item-spacer"></span> fn <a href="#tymethod.read" class="fnname">read</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>;
<span class="item-spacer"></span> fn <a href="#tymethod.write" class="fnname">write</a>(&amp;self, ch: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>);
<span class="item-spacer"></span> fn <a href="#tymethod.handle_irq" class="fnname">handle_irq</a>(&amp;self);
}</code></pre></div><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><div id="tymethod.init" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/mod.rs.html#9">source</a></div><h4 class="code-header">fn <a href="#tymethod.init" class="fnname">init</a>(&amp;self)</h4></div><div id="tymethod.read" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/mod.rs.html#10">source</a></div><h4 class="code-header">fn <a href="#tymethod.read" class="fnname">read</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a></h4></div><div id="tymethod.write" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/mod.rs.html#11">source</a></div><h4 class="code-header">fn <a href="#tymethod.write" class="fnname">write</a>(&amp;self, ch: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>)</h4></div><div id="tymethod.handle_irq" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/mod.rs.html#12">source</a></div><h4 class="code-header">fn <a href="#tymethod.handle_irq" class="fnname">handle_irq</a>(&amp;self)</h4></div></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><section id="impl-CharDevice-for-NS16550a%3CBASE_ADDR%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/ns16550a.rs.html#150-185">source</a></span><a href="#impl-CharDevice-for-NS16550a%3CBASE_ADDR%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;const BASE_ADDR:&nbsp;<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>&gt; <a class="trait" href="trait.CharDevice.html" title="trait os::drivers::chardev::CharDevice">CharDevice</a> for <a class="struct" href="ns16550a/struct.NS16550a.html" title="struct os::drivers::chardev::ns16550a::NS16550a">NS16550a</a>&lt;BASE_ADDR&gt;</h3></section></div><script type="text/javascript" src="../../../implementors/os/drivers/chardev/trait.CharDevice.js" data-ignore-extern-crates="" async></script></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
}</code></pre></div><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><div id="tymethod.init" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/mod.rs.html#9">source</a></div><h4 class="code-header">fn <a href="#tymethod.init" class="fnname">init</a>(&amp;self)</h4></div><div id="tymethod.read" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/mod.rs.html#10">source</a></div><h4 class="code-header">fn <a href="#tymethod.read" class="fnname">read</a>(&amp;self) -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a></h4></div><div id="tymethod.write" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/mod.rs.html#11">source</a></div><h4 class="code-header">fn <a href="#tymethod.write" class="fnname">write</a>(&amp;self, ch: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>)</h4></div><div id="tymethod.handle_irq" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/mod.rs.html#12">source</a></div><h4 class="code-header">fn <a href="#tymethod.handle_irq" class="fnname">handle_irq</a>(&amp;self)</h4></div></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><section id="impl-CharDevice-for-NS16550a%3CBASE_ADDR%3E" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/drivers/chardev/ns16550a.rs.html#151-186">source</a></span><a href="#impl-CharDevice-for-NS16550a%3CBASE_ADDR%3E" class="anchor"></a><h3 class="code-header in-band">impl&lt;const BASE_ADDR:&nbsp;<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a>&gt; <a class="trait" href="trait.CharDevice.html" title="trait os::drivers::chardev::CharDevice">CharDevice</a> for <a class="struct" href="ns16550a/struct.NS16550a.html" title="struct os::drivers::chardev::ns16550a::NS16550a">NS16550a</a>&lt;BASE_ADDR&gt;</h3></section></div><script type="text/javascript" src="../../../implementors/os/drivers/chardev/trait.CharDevice.js" data-ignore-extern-crates="" async></script></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `rust_main` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, rust_main"><title>rust_main in os - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../dark.css" disabled><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../main.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../os/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../os/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../os/index.html"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="index.html">os</a>::<wbr><a class="fn" href="#">rust_main</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../src/os/main.rs.html#56-78">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>#[no_mangle]
<!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="API documentation for the Rust `rust_main` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, rust_main"><title>rust_main in os - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../normalize.css"><link rel="stylesheet" type="text/css" href="../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../dark.css" disabled><link rel="stylesheet" type="text/css" href="../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../main.js"></script><noscript><link rel="stylesheet" href="../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../os/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../os/index.html"><div class="logo-container"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../os/index.html"><img class="rust-logo" src="../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="index.html">os</a>::<wbr><a class="fn" href="#">rust_main</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../src/os/main.rs.html#56-77">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>#[no_mangle]
pub fn rust_main() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.never.html">!</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `PPNRange` type in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, PPNRange"><title>PPNRange in os::mm::address - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc type"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">PPNRange</a></h2><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::address</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Type Definition <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">address</a>::<wbr><a class="type" href="#">PPNRange</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/address.rs.html#263">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust typedef"><code>pub type PPNRange = <a class="struct" href="struct.SimpleRange.html" title="struct os::mm::address::SimpleRange">SimpleRange</a>&lt;<a class="struct" href="struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>&gt;;</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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ch9/os/mm/frame_allocator/fn.frame_alloc.html
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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="API documentation for the Rust `frame_alloc` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, frame_alloc"><title>frame_alloc in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_alloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#107-112">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_alloc() -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>&gt;</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
<!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="API documentation for the Rust `frame_alloc` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, frame_alloc"><title>frame_alloc in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_alloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#100-105">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_alloc() -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>&gt;</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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ch9/os/mm/frame_allocator/fn.frame_allocator_test.html
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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="API documentation for the Rust `frame_allocator_test` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, frame_allocator_test"><title>frame_allocator_test in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_allocator_test</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#119-134">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_allocator_test()</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
<!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="API documentation for the Rust `frame_allocator_test` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, frame_allocator_test"><title>frame_allocator_test in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_allocator_test</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#112-127">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_allocator_test()</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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ch9/os/mm/frame_allocator/fn.frame_dealloc.html
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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="API documentation for the Rust `frame_dealloc` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, frame_dealloc"><title>frame_dealloc in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_dealloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#114-116">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_dealloc(ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>)</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
<!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="API documentation for the Rust `frame_dealloc` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, frame_dealloc"><title>frame_dealloc in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">frame_dealloc</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#107-109">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn frame_dealloc(ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>)</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `init_frame_allocator` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, init_frame_allocator"><title>init_frame_allocator in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">init_frame_allocator</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#97-105">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn init_frame_allocator()</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
<!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="API documentation for the Rust `init_frame_allocator` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, init_frame_allocator"><title>init_frame_allocator in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="fn" href="#">init_frame_allocator</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#90-98">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn init_frame_allocator()</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `FrameAllocator` trait in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, FrameAllocator"><title>FrameAllocator in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc trait"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">FrameAllocator</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><ul><li><a href="#tymethod.alloc">alloc</a></li><li><a href="#tymethod.dealloc">dealloc</a></li><li><a href="#tymethod.new">new</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div></section><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Trait <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="trait" href="#">FrameAllocator</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#42-46">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust trait"><code>trait FrameAllocator {
<!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="API documentation for the Rust `FrameAllocator` trait in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, FrameAllocator"><title>FrameAllocator in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc trait"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">FrameAllocator</a></h2><div class="sidebar-elems"><section><div class="block"><h3 class="sidebar-title"><a href="#required-methods">Required Methods</a></h3><ul><li><a href="#tymethod.alloc">alloc</a></li><li><a href="#tymethod.dealloc">dealloc</a></li><li><a href="#tymethod.new">new</a></li></ul></div><div class="block"><h3 class="sidebar-title"><a href="#implementors">Implementors</a></h3></div></section><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Trait <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="trait" href="#">FrameAllocator</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#35-39">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust trait"><code>trait FrameAllocator {
fn <a href="#tymethod.new" class="fnname">new</a>() -&gt; Self;
<span class="item-spacer"></span> fn <a href="#tymethod.alloc" class="fnname">alloc</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>&gt;;
<span class="item-spacer"></span> fn <a href="#tymethod.dealloc" class="fnname">dealloc</a>(&amp;mut self, ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>);
}</code></pre></div><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><div id="tymethod.new" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#43">source</a></div><h4 class="code-header">fn <a href="#tymethod.new" class="fnname">new</a>() -&gt; Self</h4></div><div id="tymethod.alloc" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#44">source</a></div><h4 class="code-header">fn <a href="#tymethod.alloc" class="fnname">alloc</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>&gt;</h4></div><div id="tymethod.dealloc" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#45">source</a></div><h4 class="code-header">fn <a href="#tymethod.dealloc" class="fnname">dealloc</a>(&amp;mut self, ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>)</h4></div></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><section id="impl-FrameAllocator-for-StackFrameAllocator" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#61-88">source</a></span><a href="#impl-FrameAllocator-for-StackFrameAllocator" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.FrameAllocator.html" title="trait os::mm::frame_allocator::FrameAllocator">FrameAllocator</a> for <a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a></h3></section></div><script type="text/javascript" src="../../../implementors/os/mm/frame_allocator/trait.FrameAllocator.js" data-ignore-extern-crates="" async></script></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
}</code></pre></div><h2 id="required-methods" class="small-section-header">Required Methods<a href="#required-methods" class="anchor"></a></h2><div class="methods"><div id="tymethod.new" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#36">source</a></div><h4 class="code-header">fn <a href="#tymethod.new" class="fnname">new</a>() -&gt; Self</h4></div><div id="tymethod.alloc" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#37">source</a></div><h4 class="code-header">fn <a href="#tymethod.alloc" class="fnname">alloc</a>(&amp;mut self) -&gt; <a class="enum" href="https://doc.rust-lang.org/nightly/core/option/enum.Option.html" title="enum core::option::Option">Option</a>&lt;<a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>&gt;</h4></div><div id="tymethod.dealloc" class="method has-srclink"><div class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#38">source</a></div><h4 class="code-header">fn <a href="#tymethod.dealloc" class="fnname">dealloc</a>(&amp;mut self, ppn: <a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>)</h4></div></div><h2 id="implementors" class="small-section-header">Implementors<a href="#implementors" class="anchor"></a></h2><div class="item-list" id="implementors-list"><section id="impl-FrameAllocator-for-StackFrameAllocator" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#54-81">source</a></span><a href="#impl-FrameAllocator-for-StackFrameAllocator" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="trait.FrameAllocator.html" title="trait os::mm::frame_allocator::FrameAllocator">FrameAllocator</a> for <a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a></h3></section></div><script type="text/javascript" src="../../../implementors/os/mm/frame_allocator/trait.FrameAllocator.js" data-ignore-extern-crates="" async></script></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `FrameAllocatorImpl` type in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, FrameAllocatorImpl"><title>FrameAllocatorImpl in os::mm::frame_allocator - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc type"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">FrameAllocatorImpl</a></h2><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::frame_allocator</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Type Definition <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">frame_allocator</a>::<wbr><a class="type" href="#">FrameAllocatorImpl</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/frame_allocator.rs.html#83">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust typedef"><code>type FrameAllocatorImpl = <a class="struct" href="struct.StackFrameAllocator.html" title="struct os::mm::frame_allocator::StackFrameAllocator">StackFrameAllocator</a>;</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `remap_test` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, remap_test"><title>remap_test in os::mm::memory_set - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::memory_set</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">memory_set</a>::<wbr><a class="fn" href="#">remap_test</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#365-386">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn remap_test()</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
<!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="API documentation for the Rust `remap_test` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, remap_test"><title>remap_test in os::mm::memory_set - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::mm::memory_set</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">mm</a>::<wbr><a href="index.html">memory_set</a>::<wbr><a class="fn" href="#">remap_test</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#359-380">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn remap_test()</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `FB_VADDR` constant in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, FB_VADDR"><title>FB_VADDR in os::syscall::gui - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc constant"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::gui</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Constant <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">gui</a>::<wbr><a class="constant" href="#">FB_VADDR</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/gui.rs.html#7">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust const"><code>const FB_VADDR: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a> = 0x10000000;</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
<!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="API documentation for the Rust `FB_VADDR` constant in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, FB_VADDR"><title>FB_VADDR in os::syscall::gui - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc constant"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::gui</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Constant <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">gui</a>::<wbr><a class="constant" href="#">FB_VADDR</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/gui.rs.html#5">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust const"><code>const FB_VADDR: <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.usize.html">usize</a> = 0x10000000;</code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `sys_framebuffer` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_framebuffer"><title>sys_framebuffer in os::syscall::gui - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::gui</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">gui</a>::<wbr><a class="fn" href="#">sys_framebuffer</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/gui.rs.html#9-31">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_framebuffer() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
<!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="API documentation for the Rust `sys_framebuffer` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_framebuffer"><title>sys_framebuffer in os::syscall::gui - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::gui</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">gui</a>::<wbr><a class="fn" href="#">sys_framebuffer</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/gui.rs.html#7-29">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_framebuffer() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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ch9/os/syscall/gui/fn.sys_framebuffer_flush.html
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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="API documentation for the Rust `sys_framebuffer_flush` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_framebuffer_flush"><title>sys_framebuffer_flush in os::syscall::gui - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::gui</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">gui</a>::<wbr><a class="fn" href="#">sys_framebuffer_flush</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/gui.rs.html#33-37">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_framebuffer_flush() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
<!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="API documentation for the Rust `sys_framebuffer_flush` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_framebuffer_flush"><title>sys_framebuffer_flush in os::syscall::gui - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::gui</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">gui</a>::<wbr><a class="fn" href="#">sys_framebuffer_flush</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/gui.rs.html#31-34">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_framebuffer_flush() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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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="API documentation for the Rust `sys_event_get` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_event_get"><title>sys_event_get in os::syscall::input - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::input</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">input</a>::<wbr><a class="fn" href="#">sys_event_get</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/input.rs.html#4-17">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_event_get() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>
<!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="API documentation for the Rust `sys_event_get` fn in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, sys_event_get"><title>sys_event_get in os::syscall::input - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::input</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">input</a>::<wbr><a class="fn" href="#">sys_event_get</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/input.rs.html#4-16">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_event_get() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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ch9/os/syscall/input/fn.sys_key_pressed.html
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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="check UART’s read-buffer is empty or not"><meta name="keywords" content="rust, rustlang, rust-lang, sys_key_pressed"><title>sys_key_pressed in os::syscall::input - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::input</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">input</a>::<wbr><a class="fn" href="#">sys_key_pressed</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/input.rs.html#22-29">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_key_pressed() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>check UART’s read-buffer is empty or not</p>
<!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="check UART’s read-buffer is empty or not"><meta name="keywords" content="rust, rustlang, rust-lang, sys_key_pressed"><title>sys_key_pressed in os::syscall::input - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="sidebar-items.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc fn"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><div class="sidebar-elems"><h2 class="location"><a href="index.html">In os::syscall::input</a></h2></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Function <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a href="index.html">input</a>::<wbr><a class="fn" href="#">sys_key_pressed</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/input.rs.html#21-28">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><div class="docblock item-decl"><pre class="rust fn"><code>pub fn sys_key_pressed() -&gt; <a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.isize.html">isize</a></code></pre></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>check UART’s read-buffer is empty or not</p>
</div></details></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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ch9/os/syscall/input/index.html
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@ -1,2 +1,2 @@
<!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="API documentation for the Rust `input` mod in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, input"><title>os::syscall::input - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc mod"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Module input</a></h2><div class="sidebar-elems"><section><div class="block"><ul><li><a href="#functions">Functions</a></li></ul></div></section></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Module <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a class="mod" href="#">input</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/input.rs.html#2-29">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><h2 id="functions" class="small-section-header"><a href="#functions">Functions</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_event_get.html" title="os::syscall::input::sys_event_get fn">sys_event_get</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_key_pressed.html" title="os::syscall::input::sys_key_pressed fn">sys_key_pressed</a></div><div class="item-right docblock-short"><p>check UART’s read-buffer is empty or not</p>
<!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="API documentation for the Rust `input` mod in crate `os`."><meta name="keywords" content="rust, rustlang, rust-lang, input"><title>os::syscall::input - Rust</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc mod"><!--[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">&#9776;</button><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"></h2></nav><nav class="sidebar"><a class="sidebar-logo" href="../../../os/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a><h2 class="location"><a href="#">Module input</a></h2><div class="sidebar-elems"><section><div class="block"><ul><li><a href="#functions">Functions</a></li></ul></div></section></div></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../os/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><button type="button">?</button></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav></div><section id="main-content" class="content"><div class="main-heading"><h1 class="fqn"><span class="in-band">Module <a href="../../index.html">os</a>::<wbr><a href="../index.html">syscall</a>::<wbr><a class="mod" href="#">input</a><button id="copy-path" onclick="copy_path(this)" title="Copy item path to clipboard"><img src="../../../clipboard.svg" width="19" height="18" alt="Copy item path"></button></span></h1><span class="out-of-band"><a class="srclink" href="../../../src/os/syscall/input.rs.html#2-28">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><h2 id="functions" class="small-section-header"><a href="#functions">Functions</a></h2><div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_event_get.html" title="os::syscall::input::sys_event_get fn">sys_event_get</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left module-item"><a class="fn" href="fn.sys_key_pressed.html" title="os::syscall::input::sys_key_pressed fn">sys_key_pressed</a></div><div class="item-right docblock-short"><p>check UART’s read-buffer is empty or not</p>
</div></div></div></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

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6
ch9/src/os/drivers/chardev/ns16550a.rs.html
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@ -183,6 +183,7 @@
<span id="183">183</span>
<span id="184">184</span>
<span id="185">185</span>
<span id="186">186</span>
</pre><pre class="rust"><code><span class="doccomment">///! Ref: https://www.lammertbies.nl/comm/info/serial-uart</span>
<span class="doccomment">///! Ref: ns16550a datasheet: https://datasheetspdf.com/pdf-file/605590/NationalSemiconductor/NS16550A/1</span>
<span class="doccomment">///! Ref: ns16450 datasheet: https://datasheetspdf.com/pdf-file/1311818/NationalSemiconductor/NS16450/1</span>
@ -328,12 +329,13 @@
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">read_buffer_is_empty</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) -&gt; <span class="ident">bool</span> {
<span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">exclusive_session</span>(<span class="op">|</span><span class="ident">inner</span><span class="op">|</span> <span class="ident">inner</span>.<span class="ident">read_buffer</span>.<span class="ident">is_empty</span>())
<span class="self">self</span>.<span class="ident">inner</span>
.<span class="ident">exclusive_session</span>(<span class="op">|</span><span class="ident">inner</span><span class="op">|</span> <span class="ident">inner</span>.<span class="ident">read_buffer</span>.<span class="ident">is_empty</span>())
}
}
<span class="kw">impl</span><span class="op">&lt;</span><span class="kw">const</span> <span class="ident">BASE_ADDR</span>: <span class="ident">usize</span><span class="op">&gt;</span> <span class="ident">CharDevice</span> <span class="kw">for</span> <span class="ident">NS16550a</span><span class="op">&lt;</span><span class="ident">BASE_ADDR</span><span class="op">&gt;</span> {
<span class="kw">fn</span> <span class="ident">init</span>(<span class="kw-2">&amp;</span><span class="self">self</span>){
<span class="kw">fn</span> <span class="ident">init</span>(<span class="kw-2">&amp;</span><span class="self">self</span>) {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">inner</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">inner</span>.<span class="ident">exclusive_access</span>();
<span class="ident">inner</span>.<span class="ident">ns16550a</span>.<span class="ident">init</span>();
<span class="ident">drop</span>(<span class="ident">inner</span>);

4
ch9/src/os/drivers/input/mod.rs.html
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@ -140,7 +140,7 @@
<span class="ident">inner</span>: <span class="ident">UPIntrFreeCell</span><span class="op">&lt;</span><span class="ident">VirtIOInputInner</span><span class="op">&gt;</span>,
<span class="comment">//condvars: BTreeMap&lt;u16, Condvar&gt;,</span>
<span class="comment">//condvar: Arc::&lt;Condvar&gt; ,</span>
<span class="ident">condvar</span>:<span class="ident">Condvar</span>,
<span class="ident">condvar</span>: <span class="ident">Condvar</span>,
}
<span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">InputDevice</span>: <span class="ident">Send</span> <span class="op">+</span> <span class="ident">Sync</span> <span class="op">+</span> <span class="ident">Any</span> {
@ -160,7 +160,7 @@
<span class="comment">//const QUEUE_SIZE: u16 = 32;</span>
<span class="comment">// pub fn read_input_event() -&gt; u64 {</span>
<span class="comment">// loop {</span>
<span class="comment">// //let mut inner = self.inner.exclusive_access();</span>
<span class="comment">// let kb=KEYBOARD_DEVICE.clone();</span>
<span class="comment">// let evs = kb.events();</span>

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@ -343,5 +343,6 @@
}
}
}
}</code></pre></div>
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

2
ch9/src/os/main.rs.html
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@ -75,7 +75,6 @@
<span id="75">75</span>
<span id="76">76</span>
<span id="77">77</span>
<span id="78">78</span>
</pre><pre class="rust"><code><span class="attribute">#![<span class="ident">no_std</span>]</span>
<span class="attribute">#![<span class="ident">no_main</span>]</span>
<span class="attribute">#![<span class="ident">feature</span>(<span class="ident">panic_info_message</span>)]</span>
@ -148,7 +147,6 @@
<span class="ident">timer::set_next_trigger</span>();
<span class="ident">board::device_init</span>();
<span class="ident">fs::list_apps</span>();
<span class="comment">//gui::init_paint();</span>
<span class="ident">task::add_initproc</span>();
<span class="kw-2">*</span><span class="ident">DEV_NON_BLOCKING_ACCESS</span>.<span class="ident">exclusive_access</span>() <span class="op">=</span> <span class="bool-val">true</span>;
<span class="ident">task::run_tasks</span>();

2
ch9/src/os/mm/address.rs.html
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@ -260,7 +260,6 @@
<span id="260">260</span>
<span id="261">261</span>
<span id="262">262</span>
<span id="263">263</span>
</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">super</span>::PageTableEntry</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::config</span>::{<span class="ident">PAGE_SIZE</span>, <span class="ident">PAGE_SIZE_BITS</span>};
<span class="kw">use</span> <span class="ident">core::fmt</span>::{<span class="self">self</span>, <span class="ident">Debug</span>, <span class="ident">Formatter</span>};
@ -523,6 +522,5 @@
}
}
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">VPNRange</span> <span class="op">=</span> <span class="ident">SimpleRange</span><span class="op">&lt;</span><span class="ident">VirtPageNum</span><span class="op">&gt;</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">PPNRange</span> <span class="op">=</span> <span class="ident">SimpleRange</span><span class="op">&lt;</span><span class="ident">PhysPageNum</span><span class="op">&gt;</span>;
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

16
ch9/src/os/mm/frame_allocator.rs.html
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@ -125,13 +125,6 @@
<span id="125">125</span>
<span id="126">126</span>
<span id="127">127</span>
<span id="128">128</span>
<span id="129">129</span>
<span id="130">130</span>
<span id="131">131</span>
<span id="132">132</span>
<span id="133">133</span>
<span id="134">134</span>
</pre><pre class="rust"><code><span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">PhysAddr</span>, <span class="ident">PhysPageNum</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::config::MEMORY_END</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::sync::UPIntrFreeCell</span>;
@ -141,7 +134,6 @@
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">FrameTracker</span> {
<span class="kw">pub</span> <span class="ident">ppn</span>: <span class="ident">PhysPageNum</span>,
<span class="kw">pub</span> <span class="ident">nodrop</span>: <span class="ident">bool</span>,
}
<span class="kw">impl</span> <span class="ident">FrameTracker</span> {
@ -151,10 +143,7 @@
<span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="ident">bytes_array</span> {
<span class="kw-2">*</span><span class="ident">i</span> <span class="op">=</span> <span class="number">0</span>;
}
<span class="self">Self</span> { <span class="ident">ppn</span>, <span class="ident">nodrop</span>: <span class="bool-val">false</span> }
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new_noalloc</span>(<span class="ident">ppn</span>: <span class="ident">PhysPageNum</span>) -&gt; <span class="self">Self</span> {
<span class="self">Self</span> { <span class="ident">ppn</span>, <span class="ident">nodrop</span>: <span class="bool-val">true</span> }
<span class="self">Self</span> { <span class="ident">ppn</span> }
}
}
@ -166,9 +155,6 @@
<span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">FrameTracker</span> {
<span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) {
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">nodrop</span> {
<span class="kw">return</span>;
}
<span class="ident">frame_dealloc</span>(<span class="self">self</span>.<span class="ident">ppn</span>);
}
}

34
ch9/src/os/mm/memory_set.rs.html
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@ -378,16 +378,10 @@
<span id="378">378</span>
<span id="379">379</span>
<span id="380">380</span>
<span id="381">381</span>
<span id="382">382</span>
<span id="383">383</span>
<span id="384">384</span>
<span id="385">385</span>
<span id="386">386</span>
</pre><pre class="rust"><code><span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">frame_alloc</span>, <span class="ident">FrameTracker</span>};
<span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">PTEFlags</span>, <span class="ident">PageTable</span>, <span class="ident">PageTableEntry</span>};
<span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">PhysAddr</span>, <span class="ident">PhysPageNum</span>, <span class="ident">VirtAddr</span>, <span class="ident">VirtPageNum</span>};
<span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">StepByOne</span>, <span class="ident">VPNRange</span>, <span class="ident">PPNRange</span>};
<span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">StepByOne</span>, <span class="ident">VPNRange</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::config</span>::{<span class="ident">MEMORY_END</span>, <span class="ident">MMIO</span>, <span class="ident">PAGE_SIZE</span>, <span class="ident">TRAMPOLINE</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::sync::UPIntrFreeCell</span>;
<span class="kw">use</span> <span class="ident">alloc::collections::BTreeMap</span>;
@ -457,17 +451,16 @@
<span class="self">self</span>.<span class="ident">areas</span>.<span class="ident">remove</span>(<span class="ident">idx</span>);
}
}
<span class="kw">fn</span> <span class="ident">push</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">map_area</span>: <span class="ident">MapArea</span>, <span class="ident">data</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="kw-2">&amp;</span>[<span class="ident">u8</span>]<span class="op">&gt;</span>) {
<span class="doccomment">/// Add a new MapArea into this MemorySet.</span>
<span class="doccomment">/// Assuming that there are no conflicts in the virtual address</span>
<span class="doccomment">/// space.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">push</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">map_area</span>: <span class="ident">MapArea</span>, <span class="ident">data</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="kw-2">&amp;</span>[<span class="ident">u8</span>]<span class="op">&gt;</span>) {
<span class="ident">map_area</span>.<span class="ident">map</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>.<span class="ident">page_table</span>);
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">data</span>) <span class="op">=</span> <span class="ident">data</span> {
<span class="ident">map_area</span>.<span class="ident">copy_data</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>.<span class="ident">page_table</span>, <span class="ident">data</span>);
}
<span class="self">self</span>.<span class="ident">areas</span>.<span class="ident">push</span>(<span class="ident">map_area</span>);
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">push_noalloc</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>, <span class="kw-2">mut</span> <span class="ident">map_area</span>: <span class="ident">MapArea</span>, <span class="ident">ppn_range</span>: <span class="ident">PPNRange</span>) {
<span class="ident">map_area</span>.<span class="ident">map_noalloc</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>.<span class="ident">page_table</span>, <span class="ident">ppn_range</span>);
<span class="self">self</span>.<span class="ident">areas</span>.<span class="ident">push</span>(<span class="ident">map_area</span>);
}
<span class="doccomment">/// Mention that trampoline is not collected by areas.</span>
<span class="kw">fn</span> <span class="ident">map_trampoline</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>) {
<span class="self">self</span>.<span class="ident">page_table</span>.<span class="ident">map</span>(
@ -676,8 +669,10 @@
<span class="ident">ppn</span> <span class="op">=</span> <span class="ident">frame</span>.<span class="ident">ppn</span>;
<span class="self">self</span>.<span class="ident">data_frames</span>.<span class="ident">insert</span>(<span class="ident">vpn</span>, <span class="ident">frame</span>);
}
<span class="ident">MapType::Noalloc</span> =&gt; {
<span class="macro">panic!</span>(<span class="string">&quot;Noalloc should not be mapped&quot;</span>);
<span class="ident">MapType::Linear</span>(<span class="ident">pn_offset</span>) =&gt; {
<span class="comment">// check for sv39</span>
<span class="macro">assert!</span>(<span class="ident">vpn</span>.<span class="number">0</span> <span class="op">&lt;</span> (<span class="number">1usize</span> <span class="op">&lt;</span><span class="op">&lt;</span> <span class="number">27</span>));
<span class="ident">ppn</span> <span class="op">=</span> <span class="ident">PhysPageNum</span>((<span class="ident">vpn</span>.<span class="number">0</span> <span class="kw">as</span> <span class="ident">isize</span> <span class="op">+</span> <span class="ident">pn_offset</span>) <span class="kw">as</span> <span class="ident">usize</span>);
}
}
<span class="kw">let</span> <span class="ident">pte_flags</span> <span class="op">=</span> <span class="ident">PTEFlags::from_bits</span>(<span class="self">self</span>.<span class="ident">map_perm</span>.<span class="ident">bits</span>).<span class="ident">unwrap</span>();
@ -694,14 +689,6 @@
<span class="self">self</span>.<span class="ident">map_one</span>(<span class="ident">page_table</span>, <span class="ident">vpn</span>);
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">map_noalloc</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>, <span class="ident">page_table</span>: <span class="kw-2">&amp;mut</span> <span class="ident">PageTable</span>,<span class="ident">ppn_range</span>:<span class="ident">PPNRange</span>) {
<span class="kw">for</span> (<span class="ident">vpn</span>,<span class="ident">ppn</span>) <span class="kw">in</span> <span class="ident">core::iter::zip</span>(<span class="self">self</span>.<span class="ident">vpn_range</span>,<span class="ident">ppn_range</span>) {
<span class="self">self</span>.<span class="ident">data_frames</span>.<span class="ident">insert</span>(<span class="ident">vpn</span>, <span class="ident">FrameTracker::new_noalloc</span>(<span class="ident">ppn</span>));
<span class="kw">let</span> <span class="ident">pte_flags</span> <span class="op">=</span> <span class="ident">PTEFlags::from_bits</span>(<span class="self">self</span>.<span class="ident">map_perm</span>.<span class="ident">bits</span>).<span class="ident">unwrap</span>();
<span class="ident">page_table</span>.<span class="ident">map</span>(<span class="ident">vpn</span>, <span class="ident">ppn</span>, <span class="ident">pte_flags</span>);
}
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">unmap</span>(<span class="kw-2">&amp;mut</span> <span class="self">self</span>, <span class="ident">page_table</span>: <span class="kw-2">&amp;mut</span> <span class="ident">PageTable</span>) {
<span class="kw">for</span> <span class="ident">vpn</span> <span class="kw">in</span> <span class="self">self</span>.<span class="ident">vpn_range</span> {
<span class="self">self</span>.<span class="ident">unmap_one</span>(<span class="ident">page_table</span>, <span class="ident">vpn</span>);
@ -735,7 +722,8 @@
<span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">MapType</span> {
<span class="ident">Identical</span>,
<span class="ident">Framed</span>,
<span class="ident">Noalloc</span>,
<span class="doccomment">/// offset of page num</span>
<span class="ident">Linear</span>(<span class="ident">isize</span>),
}
<span class="macro">bitflags!</span> {

4
ch9/src/os/mm/mod.rs.html
View File

@ -26,11 +26,11 @@
<span class="kw">mod</span> <span class="ident">memory_set</span>;
<span class="kw">mod</span> <span class="ident">page_table</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">address</span>::{<span class="ident">VPNRange</span>, <span class="ident">PPNRange</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">address::VPNRange</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">address</span>::{<span class="ident">PhysAddr</span>, <span class="ident">PhysPageNum</span>, <span class="ident">StepByOne</span>, <span class="ident">VirtAddr</span>, <span class="ident">VirtPageNum</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">frame_allocator</span>::{<span class="ident">frame_alloc</span>, <span class="ident">frame_dealloc</span>, <span class="ident">FrameTracker</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">memory_set::remap_test</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">memory_set</span>::{<span class="ident">kernel_token</span>, <span class="ident">MapPermission</span>, <span class="ident">MemorySet</span>, <span class="ident">MapArea</span>, <span class="ident">MapType</span>, <span class="ident">KERNEL_SPACE</span>};
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">memory_set</span>::{<span class="ident">kernel_token</span>, <span class="ident">MapArea</span>, <span class="ident">MapPermission</span>, <span class="ident">MapType</span>, <span class="ident">MemorySet</span>, <span class="ident">KERNEL_SPACE</span>};
<span class="kw">use</span> <span class="ident">page_table::PTEFlags</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">page_table</span>::{
<span class="ident">translated_byte_buffer</span>, <span class="ident">translated_ref</span>, <span class="ident">translated_refmut</span>, <span class="ident">translated_str</span>, <span class="ident">PageTable</span>,

3
ch9/src/os/syscall/fs.rs.html
View File

@ -195,5 +195,6 @@
<span class="kw">let</span> <span class="ident">new_fd</span> <span class="op">=</span> <span class="ident">inner</span>.<span class="ident">alloc_fd</span>();
<span class="ident">inner</span>.<span class="ident">fd_table</span>[<span class="ident">new_fd</span>] <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">Arc::clone</span>(<span class="ident">inner</span>.<span class="ident">fd_table</span>[<span class="ident">fd</span>].<span class="ident">as_ref</span>().<span class="ident">unwrap</span>()));
<span class="ident">new_fd</span> <span class="kw">as</span> <span class="ident">isize</span>
}</code></pre></div>
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

35
ch9/src/os/syscall/gui.rs.html
View File

@ -32,44 +32,39 @@
<span id="32">32</span>
<span id="33">33</span>
<span id="34">34</span>
<span id="35">35</span>
<span id="36">36</span>
<span id="37">37</span>
</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::mm</span>::{<span class="ident">MapArea</span>, <span class="ident">MapPermission</span>, <span class="ident">MapType</span>, <span class="ident">PPNRange</span>, <span class="ident">PhysAddr</span>};
</pre><pre class="rust"><code><span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::drivers::GPU_DEVICE</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::mm</span>::{<span class="ident">MapArea</span>, <span class="ident">MapPermission</span>, <span class="ident">MapType</span>, <span class="ident">PhysAddr</span>, <span class="ident">VirtAddr</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::task::current_process</span>;
<span class="comment">//use crate::gui::*;</span>
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::drivers::GPU_DEVICE</span>;
<span class="kw">const</span> <span class="ident">FB_VADDR</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">0x10000000</span>;
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">sys_framebuffer</span>() -&gt; <span class="ident">isize</span> {
<span class="kw">let</span> <span class="ident">gpu</span> <span class="op">=</span> <span class="ident">GPU_DEVICE</span>.<span class="ident">clone</span>();
<span class="kw">let</span> <span class="ident">fb</span> <span class="op">=</span> <span class="ident">gpu</span>.<span class="ident">get_framebuffer</span>();
<span class="kw">let</span> <span class="ident">fb</span> <span class="op">=</span> <span class="ident">GPU_DEVICE</span>.<span class="ident">get_framebuffer</span>();
<span class="kw">let</span> <span class="ident">len</span> <span class="op">=</span> <span class="ident">fb</span>.<span class="ident">len</span>();
<span class="macro">println!</span>(<span class="string">&quot;[kernel] FrameBuffer: addr 0x{:X}, len {}&quot;</span>, <span class="ident">fb</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="ident">usize</span> , <span class="ident">len</span>);
<span class="kw">let</span> <span class="ident">fb_ppn</span> <span class="op">=</span> <span class="ident">PhysAddr::from</span>(<span class="ident">fb</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="ident">usize</span>).<span class="ident">floor</span>();
<span class="kw">let</span> <span class="ident">fb_end_ppn</span> <span class="op">=</span> <span class="ident">PhysAddr::from</span>(<span class="ident">fb</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="ident">usize</span> <span class="op">+</span> <span class="ident">len</span>).<span class="ident">ceil</span>();
<span class="comment">// println!(&quot;[kernel] FrameBuffer: addr 0x{:X}, len {}&quot;, fb.as_ptr() as usize , len);</span>
<span class="kw">let</span> <span class="ident">fb_start_pa</span> <span class="op">=</span> <span class="ident">PhysAddr::from</span>(<span class="ident">fb</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="ident">usize</span>);
<span class="macro">assert!</span>(<span class="ident">fb_start_pa</span>.<span class="ident">aligned</span>());
<span class="kw">let</span> <span class="ident">fb_start_ppn</span> <span class="op">=</span> <span class="ident">fb_start_pa</span>.<span class="ident">floor</span>();
<span class="kw">let</span> <span class="ident">fb_start_vpn</span> <span class="op">=</span> <span class="ident">VirtAddr::from</span>(<span class="ident">FB_VADDR</span>).<span class="ident">floor</span>();
<span class="kw">let</span> <span class="ident">pn_offset</span> <span class="op">=</span> <span class="ident">fb_start_ppn</span>.<span class="number">0</span> <span class="kw">as</span> <span class="ident">isize</span> <span class="op">-</span> <span class="ident">fb_start_vpn</span>.<span class="number">0</span> <span class="kw">as</span> <span class="ident">isize</span>;
<span class="kw">let</span> <span class="ident">current_process</span> <span class="op">=</span> <span class="ident">current_process</span>();
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">inner</span> <span class="op">=</span> <span class="ident">current_process</span>.<span class="ident">inner_exclusive_access</span>();
<span class="kw">let</span> <span class="ident">mem_set</span> <span class="op">=</span> <span class="kw-2">&amp;mut</span> <span class="ident">inner</span>.<span class="ident">memory_set</span>;
<span class="ident">mem_set</span>.<span class="ident">push_noalloc</span>(
<span class="ident">inner</span>.<span class="ident">memory_set</span>.<span class="ident">push</span>(
<span class="ident">MapArea::new</span>(
(<span class="ident">FB_VADDR</span> <span class="kw">as</span> <span class="ident">usize</span>).<span class="ident">into</span>(),
(<span class="ident">FB_VADDR</span> <span class="op">+</span> <span class="ident">len</span> <span class="kw">as</span> <span class="ident">usize</span>).<span class="ident">into</span>(),
<span class="ident">MapType::Noalloc</span>,
<span class="ident">MapType::Linear</span>(<span class="ident">pn_offset</span>),
<span class="ident">MapPermission::R</span> <span class="op">|</span> <span class="ident">MapPermission::W</span> <span class="op">|</span> <span class="ident">MapPermission::U</span>,
),
<span class="ident">PPNRange::new</span>(<span class="ident">fb_ppn</span>, <span class="ident">fb_end_ppn</span>),
<span class="prelude-val">None</span>,
);
<span class="ident">FB_VADDR</span> <span class="kw">as</span> <span class="ident">isize</span>
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">sys_framebuffer_flush</span>() -&gt; <span class="ident">isize</span> {
<span class="kw">let</span> <span class="ident">gpu</span> <span class="op">=</span> <span class="ident">GPU_DEVICE</span>.<span class="ident">clone</span>();
<span class="ident">gpu</span>.<span class="ident">flush</span>();
<span class="ident">GPU_DEVICE</span>.<span class="ident">flush</span>();
<span class="number">0</span>
}</code></pre></div>
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

19
ch9/src/os/syscall/input.rs.html
View File

@ -26,34 +26,33 @@
<span id="26">26</span>
<span id="27">27</span>
<span id="28">28</span>
<span id="29">29</span>
</pre><pre class="rust"><code><span class="comment">//use crate::drivers::{KEYBOARD_DEVICE,MOUSE_DEVICE,INPUT_CONDVAR,read_input_event};</span>
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::drivers</span>::{<span class="ident">KEYBOARD_DEVICE</span>,<span class="ident">MOUSE_DEVICE</span>};
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::drivers</span>::{<span class="ident">KEYBOARD_DEVICE</span>, <span class="ident">MOUSE_DEVICE</span>};
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">sys_event_get</span>() -&gt;<span class="ident">isize</span> {
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">sys_event_get</span>() -&gt; <span class="ident">isize</span> {
<span class="kw">let</span> <span class="ident">kb</span> <span class="op">=</span> <span class="ident">KEYBOARD_DEVICE</span>.<span class="ident">clone</span>();
<span class="kw">let</span> <span class="ident">mouse</span> <span class="op">=</span> <span class="ident">MOUSE_DEVICE</span>.<span class="ident">clone</span>();
<span class="comment">//let input=INPUT_CONDVAR.clone();</span>
<span class="comment">//read_input_event() as isize</span>
<span class="kw">if</span> <span class="op">!</span><span class="ident">kb</span>.<span class="ident">is_empty</span>(){
<span class="kw">if</span> <span class="op">!</span><span class="ident">kb</span>.<span class="ident">is_empty</span>() {
<span class="ident">kb</span>.<span class="ident">read_event</span>() <span class="kw">as</span> <span class="ident">isize</span>
} <span class="kw">else</span> <span class="kw">if</span> <span class="op">!</span><span class="ident">mouse</span>.<span class="ident">is_empty</span>() {
} <span class="kw">else</span> <span class="kw">if</span> <span class="op">!</span><span class="ident">mouse</span>.<span class="ident">is_empty</span>() {
<span class="ident">mouse</span>.<span class="ident">read_event</span>() <span class="kw">as</span> <span class="ident">isize</span>
} <span class="kw">else</span> {
<span class="number">0</span>
}
}
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::drivers::chardev::UART</span>;
<span class="doccomment">/// check UART&#39;s read-buffer is empty or not</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">sys_key_pressed</span>() -&gt; <span class="ident">isize</span> {
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span><span class="op">!</span><span class="ident">UART</span>.<span class="ident">read_buffer_is_empty</span>();
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">sys_key_pressed</span>() -&gt; <span class="ident">isize</span> {
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="op">!</span><span class="ident">UART</span>.<span class="ident">read_buffer_is_empty</span>();
<span class="kw">if</span> <span class="ident">res</span> {
<span class="number">1</span>
} <span class="kw">else</span> {
<span class="number">0</span>
}
}</code></pre></div>
}
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="os" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.64.0-nightly (f6f9d5e73 2022-08-04)" ></div></body></html>

8
ch9/src/os/syscall/mod.rs.html
View File

@ -113,18 +113,18 @@
<span class="kw">const</span> <span class="ident">SYSCALL_KEY_PRESSED</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">3001</span>;
<span class="kw">mod</span> <span class="ident">fs</span>;
<span class="kw">mod</span> <span class="ident">gui</span>;
<span class="kw">mod</span> <span class="ident">input</span>;
<span class="kw">mod</span> <span class="ident">process</span>;
<span class="kw">mod</span> <span class="ident">sync</span>;
<span class="kw">mod</span> <span class="ident">thread</span>;
<span class="kw">mod</span> <span class="ident">gui</span>;
<span class="kw">mod</span> <span class="ident">input</span>;
<span class="kw">use</span> <span class="ident">fs</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">gui</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">input</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">process</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">sync</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">thread</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">gui</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident">input</span>::<span class="kw-2">*</span>;
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">syscall</span>(<span class="ident">syscall_id</span>: <span class="ident">usize</span>, <span class="ident">args</span>: [<span class="ident">usize</span>; <span class="number">3</span>]) -&gt; <span class="ident">isize</span> {
<span class="kw">match</span> <span class="ident">syscall_id</span> {