rCore-Tutorial-v3/ch4/os/mm/index.html
2022-04-15 10:46:50 +00:00

23 lines
11 KiB
HTML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<!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="Memory management implementation"><meta name="keywords" content="rust, rustlang, rust-lang, mm"><title>os::mm - 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 src="../../crates.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 mm</a></h2><div class="sidebar-elems"><section><div class="block"><ul><li><a href="#modules">Modules</a></li><li><a href="#functions">Functions</a></li></ul></div></section><div id="sidebar-vars" data-name="mm" data-ty="mod" data-relpath="./"></div><script defer src="./sidebar-items.js"></script></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"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><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"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></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 class="mod" href="#">mm</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/mod.rs.html#1-29">source</a> · <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class="inner">&#x2212;</span>]</a></span></div><details class="rustdoc-toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Memory management implementation</p>
<p>SV39 page-based virtual-memory architecture for RV64 systems, and
everything about memory management, like frame allocator, page table,
map area and memory set, is implemented here.</p>
<p>Every task or process has a memory_set to control its virtual memory.</p>
</div></details><h2 id="reexports" class="small-section-header"><a href="#reexports">Re-exports</a></h2>
<div class="item-table"><div class="item-row"><div class="item-left import-item"><code>pub use address::<a class="struct" href="address/struct.PhysAddr.html" title="struct os::mm::address::PhysAddr">PhysAddr</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use address::<a class="struct" href="address/struct.PhysPageNum.html" title="struct os::mm::address::PhysPageNum">PhysPageNum</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use address::<a class="struct" href="address/struct.VirtAddr.html" title="struct os::mm::address::VirtAddr">VirtAddr</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use address::<a class="struct" href="address/struct.VirtPageNum.html" title="struct os::mm::address::VirtPageNum">VirtPageNum</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use frame_allocator::<a class="fn" href="frame_allocator/fn.frame_alloc.html" title="fn os::mm::frame_allocator::frame_alloc">frame_alloc</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use frame_allocator::<a class="struct" href="frame_allocator/struct.FrameTracker.html" title="struct os::mm::frame_allocator::FrameTracker">FrameTracker</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use memory_set::<a class="fn" href="memory_set/fn.remap_test.html" title="fn os::mm::memory_set::remap_test">remap_test</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use memory_set::<a class="struct" href="memory_set/struct.MapPermission.html" title="struct os::mm::memory_set::MapPermission">MapPermission</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use memory_set::<a class="struct" href="memory_set/struct.MemorySet.html" title="struct os::mm::memory_set::MemorySet">MemorySet</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use memory_set::<a class="struct" href="memory_set/struct.KERNEL_SPACE.html" title="struct os::mm::memory_set::KERNEL_SPACE">KERNEL_SPACE</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use memory_set::KERNEL_SPACE;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use page_table::<a class="fn" href="page_table/fn.translated_byte_buffer.html" title="fn os::mm::page_table::translated_byte_buffer">translated_byte_buffer</a>;</code></div><div class="item-right docblock-short"></div></div><div class="item-row"><div class="item-left import-item"><code>pub use page_table::<a class="struct" href="page_table/struct.PageTableEntry.html" title="struct os::mm::page_table::PageTableEntry">PageTableEntry</a>;</code></div><div class="item-right docblock-short"></div></div></div><h2 id="modules" class="small-section-header"><a href="#modules">Modules</a></h2>
<div class="item-table"><div class="item-row"><div class="item-left module-item"><a class="mod" href="address/index.html" title="os::mm::address mod">address</a><span title="Restricted Visibility">&nbsp;🔒</span> </div><div class="item-right docblock-short"><p>Implementation of physical and virtual address and page number.</p>
</div></div><div class="item-row"><div class="item-left module-item"><a class="mod" href="frame_allocator/index.html" title="os::mm::frame_allocator mod">frame_allocator</a><span title="Restricted Visibility">&nbsp;🔒</span> </div><div class="item-right docblock-short"><p>Implementation of <a href="frame_allocator/trait.FrameAllocator.html" title="FrameAllocator"><code>FrameAllocator</code></a> which
controls all the frames in the operating system.</p>
</div></div><div class="item-row"><div class="item-left module-item"><a class="mod" href="heap_allocator/index.html" title="os::mm::heap_allocator mod">heap_allocator</a><span title="Restricted Visibility">&nbsp;🔒</span> </div><div class="item-right docblock-short"><p>The global allocator</p>
</div></div><div class="item-row"><div class="item-left module-item"><a class="mod" href="memory_set/index.html" title="os::mm::memory_set mod">memory_set</a><span title="Restricted Visibility">&nbsp;🔒</span> </div><div class="item-right docblock-short"><p>Implementation of <a href="memory_set/struct.MapArea.html" title="MapArea"><code>MapArea</code></a> and <a href="memory_set/struct.MemorySet.html" title="MemorySet"><code>MemorySet</code></a>.</p>
</div></div><div class="item-row"><div class="item-left module-item"><a class="mod" href="page_table/index.html" title="os::mm::page_table mod">page_table</a><span title="Restricted Visibility">&nbsp;🔒</span> </div><div class="item-right docblock-short"><p>Implementation of <a href="page_table/struct.PageTableEntry.html" title="PageTableEntry"><code>PageTableEntry</code></a> and <a href="page_table/struct.PageTable.html" title="PageTable"><code>PageTable</code></a>.</p>
</div></div></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.init.html" title="os::mm::init fn">init</a></div><div class="item-right docblock-short"><p>initiate heap allocator, frame allocator and kernel space</p>
</div></div></div></section><section id="search" class="content hidden"></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="1.62.0-nightly (1f7fb6413 2022-04-10)" ></div>
</body></html>