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    https://gitcode.net/rcore-os/rCore-Tutorial-v3/-/commit/ff9bbc9278e03d2508e9a114c1212aab35708d37 deploy: b262781203d97f0579e2037abf752d97f36e60f9 2023-01-10T09:08:07+00:00 chyyuu chyyuu@users.noreply.github.com https://gitcode.net/rcore-os/rCore-Tutorial-v3/-/commit/0a1f6439bc9d5bfc8497abf013a23234625d0fcd deploy: b262781203d97f0579e2037abf752d97f36e60f9 2023-01-10T09:18:15+00:00 chyyuu chyyuu@users.noreply.github.com https://gitcode.net/rcore-os/rCore-Tutorial-v3/-/commit/f6c5e429c3f139d1f2648b51280d0e295accc932 deploy: b262781203d97f0579e2037abf752d97f36e60f9 2023-01-10T11:27:12+00:00 chyyuu chyyuu@users.noreply.github.com
<!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#103-108">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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<!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>
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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#115-130">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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<!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>
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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#110-112">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_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 `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>
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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#38-42">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#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 {
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#39">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#40">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#41">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#57-84">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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}</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>
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href="../../../src/os/mm/memory_set.rs.html#1-382">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.KERNEL_SPACE.html" title="os::mm::memory_set::KERNEL_SPACE struct">KERNEL_SPACE</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.MapArea.html" title="os::mm::memory_set::MapArea struct">MapArea</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.MapPermission.html" title="os::mm::memory_set::MapPermission struct">MapPermission</a></div><div class="item-right docblock-short"></div></div><div class="item-row"><div 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href="fn.edata.html" title="os::mm::memory_set::edata fn">edata</a><span title="Restricted Visibility">&nbsp;🔒</span> <a title="unsafe function" href="#"><sup></sup></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.ekernel.html" title="os::mm::memory_set::ekernel fn">ekernel</a><span title="Restricted Visibility">&nbsp;🔒</span> <a title="unsafe function" href="#"><sup></sup></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.erodata.html" title="os::mm::memory_set::erodata fn">erodata</a><span title="Restricted Visibility">&nbsp;🔒</span> <a title="unsafe function" href="#"><sup></sup></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.etext.html" title="os::mm::memory_set::etext fn">etext</a><span title="Restricted 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......@@ -3,7 +3,7 @@
data_frames: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/collections/btree/map/struct.BTreeMap.html" title="struct alloc::collections::btree::map::BTreeMap">BTreeMap</a>&lt;<a class="struct" href="../address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>, <a class="struct" href="../frame_allocator/struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>&gt;,
map_type: <a class="enum" href="enum.MapType.html" title="enum os::mm::memory_set::MapType">MapType</a>,
map_perm: <a class="struct" href="struct.MapPermission.html" title="struct os::mm::memory_set::MapPermission">MapPermission</a>,
}</code></pre></div><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.vpn_range" class="structfield small-section-header"><a href="#structfield.vpn_range" class="anchor field"></a><code>vpn_range: <a class="struct" href="../address/struct.SimpleRange.html" title="struct os::mm::address::SimpleRange">SimpleRange</a>&lt;<a class="struct" href="../address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>&gt;</code></span><span id="structfield.data_frames" class="structfield small-section-header"><a href="#structfield.data_frames" class="anchor field"></a><code>data_frames: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/collections/btree/map/struct.BTreeMap.html" title="struct alloc::collections::btree::map::BTreeMap">BTreeMap</a>&lt;<a class="struct" href="../address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>, <a class="struct" href="../frame_allocator/struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>&gt;</code></span><span id="structfield.map_type" class="structfield small-section-header"><a href="#structfield.map_type" class="anchor field"></a><code>map_type: <a class="enum" href="enum.MapType.html" title="enum os::mm::memory_set::MapType">MapType</a></code></span><span id="structfield.map_perm" class="structfield small-section-header"><a href="#structfield.map_perm" class="anchor field"></a><code>map_perm: <a class="struct" href="struct.MapPermission.html" title="struct os::mm::memory_set::MapPermission">MapPermission</a></code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-MapArea" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#258-343">source</a></span><a href="#impl-MapArea" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.MapArea.html" title="struct os::mm::memory_set::MapArea">MapArea</a></h3></section></summary><div class="impl-items"><section id="method.new" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#259-273">source</a></span><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;start_va: <a class="struct" href="../address/struct.VirtAddr.html" title="struct os::mm::address::VirtAddr">VirtAddr</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;end_va: <a class="struct" href="../address/struct.VirtAddr.html" title="struct os::mm::address::VirtAddr">VirtAddr</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;map_type: <a class="enum" href="enum.MapType.html" title="enum os::mm::memory_set::MapType">MapType</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;map_perm: <a class="struct" href="struct.MapPermission.html" title="struct os::mm::memory_set::MapPermission">MapPermission</a><br>) -&gt; Self</h4></section><section id="method.from_another" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#274-281">source</a></span><h4 class="code-header">pub fn <a href="#method.from_another" class="fnname">from_another</a>(another: &amp;<a class="struct" href="struct.MapArea.html" title="struct os::mm::memory_set::MapArea">MapArea</a>) -&gt; Self</h4></section><section id="method.map_one" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#282-296">source</a></span><h4 class="code-header">pub fn <a href="#method.map_one" class="fnname">map_one</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>, vpn: <a class="struct" href="../address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>)</h4></section><section id="method.unmap_one" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#297-302">source</a></span><h4 class="code-header">pub fn <a href="#method.unmap_one" class="fnname">unmap_one</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>, vpn: <a class="struct" href="../address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>)</h4></section><section id="method.map" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#303-307">source</a></span><h4 class="code-header">pub fn <a href="#method.map" class="fnname">map</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>)</h4></section><section id="method.map_noalloc" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#308-314">source</a></span><h4 class="code-header">pub fn <a href="#method.map_noalloc" class="fnname">map_noalloc</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self,<br>&nbsp;&nbsp;&nbsp;&nbsp;page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;ppn_range: <a class="struct" href="../address/struct.SimpleRange.html" title="struct os::mm::address::SimpleRange">SimpleRange</a>&lt;<a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>&gt;<br>)</h4></section><section id="method.unmap" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#316-320">source</a></span><h4 class="code-header">pub fn <a href="#method.unmap" class="fnname">unmap</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>)</h4></section><details class="rustdoc-toggle method-toggle" open><summary><section id="method.copy_data" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#323-342">source</a></span><h4 class="code-header">pub fn <a href="#method.copy_data" class="fnname">copy_data</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>, data: &amp;[<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>])</h4></section></summary><div class="docblock"><p>data: start-aligned but maybe with shorter length
}</code></pre></div><h2 id="fields" class="fields small-section-header">Fields<a href="#fields" class="anchor"></a></h2><span id="structfield.vpn_range" class="structfield small-section-header"><a href="#structfield.vpn_range" class="anchor field"></a><code>vpn_range: <a class="struct" href="../address/struct.SimpleRange.html" title="struct os::mm::address::SimpleRange">SimpleRange</a>&lt;<a class="struct" href="../address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>&gt;</code></span><span id="structfield.data_frames" class="structfield small-section-header"><a href="#structfield.data_frames" class="anchor field"></a><code>data_frames: <a class="struct" href="https://doc.rust-lang.org/nightly/alloc/collections/btree/map/struct.BTreeMap.html" title="struct alloc::collections::btree::map::BTreeMap">BTreeMap</a>&lt;<a class="struct" href="../address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>, <a class="struct" href="../frame_allocator/struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>&gt;</code></span><span id="structfield.map_type" class="structfield small-section-header"><a href="#structfield.map_type" class="anchor field"></a><code>map_type: <a class="enum" href="enum.MapType.html" title="enum os::mm::memory_set::MapType">MapType</a></code></span><span id="structfield.map_perm" class="structfield small-section-header"><a href="#structfield.map_perm" class="anchor field"></a><code>map_perm: <a class="struct" href="struct.MapPermission.html" title="struct os::mm::memory_set::MapPermission">MapPermission</a></code></span><h2 id="implementations" class="small-section-header">Implementations<a href="#implementations" class="anchor"></a></h2><div id="implementations-list"><details class="rustdoc-toggle implementors-toggle" open><summary><section id="impl-MapArea" class="impl has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#258-346">source</a></span><a href="#impl-MapArea" class="anchor"></a><h3 class="code-header in-band">impl <a class="struct" href="struct.MapArea.html" title="struct os::mm::memory_set::MapArea">MapArea</a></h3></section></summary><div class="impl-items"><section id="method.new" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#259-273">source</a></span><h4 class="code-header">pub fn <a href="#method.new" class="fnname">new</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;start_va: <a class="struct" href="../address/struct.VirtAddr.html" title="struct os::mm::address::VirtAddr">VirtAddr</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;end_va: <a class="struct" href="../address/struct.VirtAddr.html" title="struct os::mm::address::VirtAddr">VirtAddr</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;map_type: <a class="enum" href="enum.MapType.html" title="enum os::mm::memory_set::MapType">MapType</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;map_perm: <a class="struct" href="struct.MapPermission.html" title="struct os::mm::memory_set::MapPermission">MapPermission</a><br>) -&gt; Self</h4></section><section id="method.from_another" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#274-281">source</a></span><h4 class="code-header">pub fn <a href="#method.from_another" class="fnname">from_another</a>(another: &amp;<a class="struct" href="struct.MapArea.html" title="struct os::mm::memory_set::MapArea">MapArea</a>) -&gt; Self</h4></section><section id="method.map_one" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#282-299">source</a></span><h4 class="code-header">pub fn <a href="#method.map_one" class="fnname">map_one</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>, vpn: <a class="struct" href="../address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>)</h4></section><section id="method.unmap_one" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#300-305">source</a></span><h4 class="code-header">pub fn <a href="#method.unmap_one" class="fnname">unmap_one</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>, vpn: <a class="struct" href="../address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>)</h4></section><section id="method.map" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#306-310">source</a></span><h4 class="code-header">pub fn <a href="#method.map" class="fnname">map</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>)</h4></section><section id="method.map_noalloc" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#311-317">source</a></span><h4 class="code-header">pub fn <a href="#method.map_noalloc" class="fnname">map_noalloc</a>(<br>&nbsp;&nbsp;&nbsp;&nbsp;&amp;mut self,<br>&nbsp;&nbsp;&nbsp;&nbsp;page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>,<br>&nbsp;&nbsp;&nbsp;&nbsp;ppn_range: <a class="struct" href="../address/struct.SimpleRange.html" title="struct os::mm::address::SimpleRange">SimpleRange</a>&lt;<a class="struct" href="../address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>&gt;<br>)</h4></section><section id="method.unmap" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#319-323">source</a></span><h4 class="code-header">pub fn <a href="#method.unmap" class="fnname">unmap</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>)</h4></section><details class="rustdoc-toggle method-toggle" open><summary><section id="method.copy_data" class="method has-srclink"><span class="rightside"><a class="srclink" href="../../../src/os/mm/memory_set.rs.html#326-345">source</a></span><h4 class="code-header">pub fn <a href="#method.copy_data" class="fnname">copy_data</a>(&amp;mut self, page_table: &amp;mut <a class="struct" href="../page_table/struct.PageTable.html" title="struct os::mm::page_table::PageTable">PageTable</a>, data: &amp;[<a class="primitive" href="https://doc.rust-lang.org/nightly/core/primitive.u8.html">u8</a>])</h4></section></summary><div class="docblock"><p>data: start-aligned but maybe with shorter length
assume that all frames were cleared before</p>
</div></details></div></details></div><h2 id="synthetic-implementations" class="small-section-header">Auto Trait Implementations<a href="#synthetic-implementations" class="anchor"></a></h2><div id="synthetic-implementations-list"><section id="impl-RefUnwindSafe-for-MapArea" class="impl has-srclink"><a href="#impl-RefUnwindSafe-for-MapArea" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.RefUnwindSafe.html" title="trait core::panic::unwind_safe::RefUnwindSafe">RefUnwindSafe</a> for <a class="struct" href="struct.MapArea.html" title="struct os::mm::memory_set::MapArea">MapArea</a></h3></section><section id="impl-Send-for-MapArea" class="impl has-srclink"><a href="#impl-Send-for-MapArea" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Send.html" title="trait core::marker::Send">Send</a> for <a class="struct" href="struct.MapArea.html" title="struct os::mm::memory_set::MapArea">MapArea</a></h3></section><section id="impl-Sync-for-MapArea" class="impl has-srclink"><a href="#impl-Sync-for-MapArea" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sync.html" title="trait core::marker::Sync">Sync</a> for <a class="struct" href="struct.MapArea.html" title="struct os::mm::memory_set::MapArea">MapArea</a></h3></section><section id="impl-Unpin-for-MapArea" class="impl has-srclink"><a href="#impl-Unpin-for-MapArea" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Unpin.html" title="trait core::marker::Unpin">Unpin</a> for <a class="struct" href="struct.MapArea.html" title="struct os::mm::memory_set::MapArea">MapArea</a></h3></section><section id="impl-UnwindSafe-for-MapArea" class="impl has-srclink"><a href="#impl-UnwindSafe-for-MapArea" class="anchor"></a><h3 class="code-header in-band">impl <a class="trait" href="https://doc.rust-lang.org/nightly/core/panic/unwind_safe/trait.UnwindSafe.html" title="trait core::panic::unwind_safe::UnwindSafe">UnwindSafe</a> for <a class="struct" href="struct.MapArea.html" title="struct os::mm::memory_set::MapArea">MapArea</a></h3></section></div><h2 id="blanket-implementations" class="small-section-header">Blanket Implementations<a href="#blanket-implementations" class="anchor"></a></h2><div id="blanket-implementations-list"><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Any-for-MapArea" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#203">source</a></span><a href="#impl-Any-for-MapArea" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html" title="trait core::any::Any">Any</a> for T <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: 'static + ?<a class="trait" href="https://doc.rust-lang.org/nightly/core/marker/trait.Sized.html" title="trait core::marker::Sized">Sized</a>,&nbsp;</span></h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.type_id" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://doc.rust-lang.org/nightly/src/core/any.rs.html#204">source</a></span><a href="#method.type_id" class="anchor"></a><h4 class="code-header">fn <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id" class="fnname">type_id</a>(&amp;self) -&gt; <a class="struct" href="https://doc.rust-lang.org/nightly/core/any/struct.TypeId.html" title="struct core::any::TypeId">TypeId</a></h4></section></summary><div class='docblock'><p>Gets the <code>TypeId</code> of <code>self</code>. <a href="https://doc.rust-lang.org/nightly/core/any/trait.Any.html#tymethod.type_id">Read more</a></p>
</div></details></div></details><details class="rustdoc-toggle implementors-toggle"><summary><section id="impl-Az-for-MapArea" class="impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/az/~1.2/src/az/lib.rs.html#599">source</a></span><a href="#impl-Az-for-MapArea" class="anchor"></a><h3 class="code-header in-band">impl&lt;T&gt; <a class="trait" href="https://docs.rs/az/~1.2/az/trait.Az.html" title="trait az::Az">Az</a> for T</h3></section></summary><div class="impl-items"><details class="rustdoc-toggle method-toggle" open><summary><section id="method.az" class="method trait-impl has-srclink"><span class="rightside"><a class="srclink" href="https://docs.rs/az/~1.2/src/az/lib.rs.html#602-604">source</a></span><a href="#method.az" class="anchor"></a><h4 class="code-header">fn <a href="https://docs.rs/az/~1.2/az/trait.Az.html#tymethod.az" class="fnname">az</a>&lt;Dst&gt;(self) -&gt; Dst <span class="where fmt-newline">where<br>&nbsp;&nbsp;&nbsp;&nbsp;T: <a class="trait" href="https://docs.rs/az/~1.2/az/trait.Cast.html" title="trait az::Cast">Cast</a>&lt;Dst&gt;,&nbsp;</span></h4></section></summary><div class='docblock'><p>Casts the value.</p>
......
此差异已折叠。
......@@ -128,6 +128,10 @@
<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>;
......@@ -137,6 +141,7 @@
<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> {
......@@ -146,10 +151,10 @@
<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="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_nowrite</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="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> }
}
}
......@@ -161,6 +166,9 @@
<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>);
}
}
......
......@@ -380,6 +380,10 @@
<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>};
......@@ -672,6 +676,9 @@
<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="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>);
......@@ -689,7 +696,7 @@
}
<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_nowrite</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">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>);
}
......@@ -728,6 +735,7 @@
<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="macro">bitflags!</span> {
......
......@@ -59,7 +59,7 @@
<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::Framed</span>,
<span class="ident">MapType::Noalloc</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>),
......
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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#110-112">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_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 `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>
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此差异已折叠。
此差异已折叠。
......@@ -128,6 +128,10 @@
<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>;
......@@ -137,6 +141,7 @@
<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> {
......@@ -146,10 +151,10 @@
<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="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_nowrite</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="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> }
}
}
......@@ -161,6 +166,9 @@
<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>);
}
}
......
此差异已折叠。
......@@ -59,7 +59,7 @@
<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::Framed</span>,
<span class="ident">MapType::Noalloc</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>),
......
此差异已折叠。
此差异已折叠。
此差异已折叠。
......@@ -59,7 +59,7 @@
<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::Framed</span>,
<span class="ident">MapType::Noalloc</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>),
......