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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_caf4200c438ae9601464168e21e8e4d8.html">include</a> » <a class="el" href="dir_d5a59026f863a7643db80a2edf430514.html">vmm</a></div>
<h1>paging.h</h1><a href="paging_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (c) 2002-2004 The UbixOS Project</span>
<a name="l00003"></a>00003 <span class="comment"> All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> Redistribution and use in source and binary forms, with or without modification, are</span>
<a name="l00006"></a>00006 <span class="comment"> permitted provided that the following conditions are met:</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> Redistributions of source code must retain the above copyright notice, this list of</span>
<a name="l00009"></a>00009 <span class="comment"> conditions, the following disclaimer and the list of authors. Redistributions in binary</span>
<a name="l00010"></a>00010 <span class="comment"> form must reproduce the above copyright notice, this list of conditions, the following</span>
<a name="l00011"></a>00011 <span class="comment"> disclaimer and the list of authors in the documentation and/or other materials provided</span>
<a name="l00012"></a>00012 <span class="comment"> with the distribution. Neither the name of the UbixOS Project nor the names of its</span>
<a name="l00013"></a>00013 <span class="comment"> contributors may be used to endorse or promote products derived from this software</span>
<a name="l00014"></a>00014 <span class="comment"> without specific prior written permission.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY</span>
<a name="l00017"></a>00017 <span class="comment"> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span>
<a name="l00018"></a>00018 <span class="comment"> MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL</span>
<a name="l00019"></a>00019 <span class="comment"> THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00020"></a>00020 <span class="comment"> SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span>
<a name="l00021"></a>00021 <span class="comment"> OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
<a name="l00022"></a>00022 <span class="comment"> HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR</span>
<a name="l00023"></a>00023 <span class="comment"> TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00024"></a>00024 <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00025"></a>00025 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment"> $Id: paging_8h-source.html 88 2016-01-12 00:11:29Z reddawg $</span>
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">*****************************************************************************************/</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#ifndef _PAGING_H</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define _PAGING_H</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <<a class="code" href="types_8h.html">ubixos/types.h</a>></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <<a class="code" href="sysproto_8h.html">sys/sysproto.h</a>></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <<a class="code" href="thread_8h.html">sys/thread.h</a>></span>
<a name="l00036"></a>00036
<a name="l00037"></a><a class="code" href="paging_8h.html#4ede4e8b3e149ef94678acdae7de0e18">00037</a> <span class="preprocessor">#define VM_THRD 0</span>
<a name="l00038"></a><a class="code" href="paging_8h.html#59a518704bf2f0b56603476bcb1eebbf">00038</a> <span class="preprocessor"></span><span class="preprocessor">#define VM_TASK 1</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a><a class="code" href="paging_8h.html#d8f95327f815dfa0f9196dbc48b94ddb">00040</a> <span class="preprocessor">#define pageLength 0x00000400</span>
<a name="l00041"></a><a class="code" href="paging_8h.html#3d9cc2be3113b17e62612d00f7082b10">00041</a> <span class="preprocessor"></span><span class="preprocessor">#define pageSize 4096</span>
<a name="l00042"></a><a class="code" href="paging_8h.html#b80d68a13753e40b0df8e0dc0c4af870">00042</a> <span class="preprocessor"></span><span class="preprocessor">#define pageEntries (pageSize/4)</span>
<a name="l00043"></a><a class="code" href="paging_8h.html#a432d41840ad8a583a7e6af86feece4f">00043</a> <span class="preprocessor"></span><span class="preprocessor">#define tablesBaseAddress 0xBFC00000</span>
<a name="l00044"></a><a class="code" href="paging_8h.html#aab3609eb02bd28ded8d1ea0512da979">00044</a> <span class="preprocessor"></span><span class="preprocessor">#define parentPageDirAddr 0x100000</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span>
<a name="l00046"></a><a class="code" href="paging_8h.html#57d743cb60fe478f6720c42315e7e813">00046</a> <span class="preprocessor">#define PAGE_COW 0x00000200</span>
<a name="l00047"></a><a class="code" href="paging_8h.html#1532db17068ba8d409b8ffe066414af2">00047</a> <span class="preprocessor"></span><span class="preprocessor">#define PAGE_STACK 0x00000400</span>
<a name="l00048"></a><a class="code" href="paging_8h.html#41b733e23eb5b22e1df907b87d6b3996">00048</a> <span class="preprocessor"></span><span class="preprocessor">#define PAGE_WIRED 0x00000600</span>
<a name="l00049"></a><a class="code" href="paging_8h.html#122dfc414a40e260fd35dbe9743db26f">00049</a> <span class="preprocessor"></span><span class="preprocessor">#define PAGE_PRESENT 0x00000001</span>
<a name="l00050"></a><a class="code" href="paging_8h.html#559697780e34fd09ba6a2e909f0fe1df">00050</a> <span class="preprocessor"></span><span class="preprocessor">#define PAGE_WRITE 0x00000002</span>
<a name="l00051"></a><a class="code" href="paging_8h.html#2d0253527ea5080d6befe0ee3bde473f">00051</a> <span class="preprocessor"></span><span class="preprocessor">#define PAGE_USER 0x00000004</span>
<a name="l00052"></a><a class="code" href="paging_8h.html#f0fff7a38cd2c7a32d580787423b94ea">00052</a> <span class="preprocessor"></span><span class="preprocessor">#define PAGE_DEFAULT (PAGE_PRESENT|PAGE_WRITE|PAGE_USER)</span>
<a name="l00053"></a><a class="code" href="paging_8h.html#8b838cda4f0bc79ab8d07eb19dd35420">00053</a> <span class="preprocessor"></span><span class="preprocessor">#define KERNEL_PAGE_DEFAULT (PAGE_PRESENT|PAGE_WRITE)</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span>
<a name="l00055"></a><a class="code" href="paging_8h.html#850d80ca2291d26b40dc6b25c419f81a">00055</a> <span class="preprocessor">#define PAGE_SHIFT 12 </span><span class="comment">/* LOG2(PAGE_SIZE) */</span>
<a name="l00056"></a><a class="code" href="paging_8h.html#7d467c1d283fdfa1f2081ba1e0d01b6e">00056</a> <span class="preprocessor">#define PAGE_SIZE (1<<PAGE_SHIFT) </span><span class="comment">/* bytes/page */</span>
<a name="l00057"></a><a class="code" href="paging_8h.html#e4aa620ce57c7c3171b916de2c5f09f2">00057</a> <span class="preprocessor">#define PAGE_MASK (PAGE_SIZE-1)</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span>
<a name="l00059"></a><a class="code" href="paging_8h.html#bd636a9b61ad98f4fc23b1f4a9210d78">00059</a> <span class="preprocessor">#define trunc_page(x) ((x) & ~PAGE_MASK)</span>
<a name="l00060"></a><a class="code" href="paging_8h.html#2702263fcf2b3b026cb26c6d895cb0ee">00060</a> <span class="preprocessor"></span><span class="preprocessor">#define round_page(x) (((x) + PAGE_MASK) & ~PAGE_MASK)</span>
<a name="l00061"></a><a class="code" href="paging_8h.html#071caea8a82a06e754daca63317d3c07">00061</a> <span class="preprocessor"></span><span class="preprocessor">#define ctob(x) ((x)<<PAGE_SHIFT)</span>
<a name="l00062"></a><a class="code" href="paging_8h.html#0851ee42f36c8a00e9eafe739c8ffaaa">00062</a> <span class="preprocessor"></span><span class="preprocessor">#define btoc(x) (((vm_offset_t)(x)+PAGE_MASK)>>PAGE_SHIFT)</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span>
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keywordtype">int</span> <a class="code" href="paging_8h.html#230a160ddb717c5a133e55aa42e9d324">vmmClearVirtualPage</a>(<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> pageAddr);
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keywordtype">void</span> <a class="code" href="paging_8h.html#fd94da50e455602f86ad7dae2fc9d1db">vmmUnmapPage</a>(<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>,<span class="keywordtype">int</span>);
<a name="l00068"></a>00068 <span class="keywordtype">void</span> <a class="code" href="paging_8h.html#0655b3d717666bf025c37fa55b588d37">vmmUnmapPages</a>(<span class="keywordtype">void</span> *,<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>);
<a name="l00069"></a>00069 <span class="keywordtype">void</span> *<a class="code" href="paging_8h.html#8f335022705939f0a6553d289b9c1e4e">vmmMapFromTask</a>(<a class="code" href="types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a>,<span class="keywordtype">void</span> *,<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>);
<a name="l00070"></a>00070 <span class="keywordtype">void</span> *<a class="code" href="paging_8h.html#41985de19bd46cbe3b702cee74168dec">vmmCopyVirtualSpace</a>(<a class="code" href="types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a>);
<a name="l00071"></a>00071 <span class="keywordtype">void</span> *<a class="code" href="paging_8h.html#d006a10f436671f8ee9cb402e372ff02">vmmGetFreePage</a>(<a class="code" href="types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a>);
<a name="l00072"></a>00072 <span class="keywordtype">void</span> *<a class="code" href="paging_8h.html#30a38035243b9dfb285b3793788126be">vmmGetFreeKernelPage</a>(<a class="code" href="types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a> pid,<a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> count);
<a name="l00073"></a>00073 <span class="keywordtype">void</span> *<a class="code" href="paging_8h.html#39ac9b6ea58fc8b6f129775642077c99">vmmCreateVirtualSpace</a>(<a class="code" href="types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a>);
<a name="l00074"></a>00074 <span class="keywordtype">void</span> *<a class="code" href="paging_8h.html#4b324672c4b25064eb8db1e3419337b1">vmmGetFreeVirtualPage</a>(<a class="code" href="types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a>,<span class="keywordtype">int</span>,<span class="keywordtype">int</span>);
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> <a class="code" href="paging_8h.html#e88bcfc69132a46a1982237913101a5b">vmm_getPhysicalAddr</a>(<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>);
<a name="l00077"></a>00077 <span class="keywordtype">int</span> <a class="code" href="paging_8h.html#1913e8607a69ecf446b18fa1cd36c9cc">vmm_setPageAttributes</a>(<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>,<a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a>);
<a name="l00078"></a>00078 <span class="keywordtype">int</span> <a class="code" href="paging_8h.html#a05f8d8947fb5bcec87fc6661f83243e">vmm_remapPage</a>(<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>,<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>,<a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a>);
<a name="l00079"></a>00079 <span class="keywordtype">int</span> <a class="code" href="paging_8h.html#f47a45e3f0802f5aac053808127aaaf1">vmm_pagingInit</a>();
<a name="l00080"></a>00080 <span class="keywordtype">void</span> *<a class="code" href="paging_8h.html#541f0b43826a40b9e978f5479080bb0e">vmm_getFreeMallocPage</a>(<a class="code" href="types_8h.html#3b65128d2644e9b80cec9a69bfa7e094">uInt16</a> count);
<a name="l00081"></a>00081 <span class="keywordtype">void</span> <a class="code" href="paging_8h.html#442adfc886cbfedfc3edadf45c5f89a6">vmm_pageFault</a>(<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>,<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>,<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>);
<a name="l00082"></a>00082 <span class="keywordtype">void</span> <a class="code" href="page__fault_8S.html#6091cb277c1dd3e3e4d1d4699f3b06e5">_vmm_pageFault</a>();
<a name="l00083"></a>00083 <span class="keywordtype">int</span> <a class="code" href="syscalls__new_8h.html#9721caa05ef16cbf780658769bfd537a">mmap</a>(<span class="keyword">struct</span> <a class="code" href="structthread.html">thread</a> *,<span class="keyword">struct</span> <a class="code" href="structmmap__args.html">mmap_args</a> *);
<a name="l00084"></a>00084 <span class="keywordtype">int</span> <a class="code" href="syscalls__new_8h.html#7f9e3f42e3fe0ba5e2dd3a4140ef14de">obreak</a>(<span class="keyword">struct</span> <a class="code" href="structthread.html">thread</a> *,<span class="keyword">struct</span> <a class="code" href="structobreak__args.html">obreak_args</a> *);
<a name="l00085"></a>00085 <span class="keywordtype">int</span> <a class="code" href="syscalls__new_8h.html#94676b8bce29788e36abad710783e545">munmap</a>(<span class="keyword">struct</span> <a class="code" href="structthread.html">thread</a> *,<span class="keyword">struct</span> <a class="code" href="structmunmap__args.html">munmap_args</a> *);
<a name="l00086"></a>00086
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keyword">extern</span> <a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> *<a class="code" href="paging_8h.html#4e81de2626825c90dc6bb3cd7c8b344c">kernelPageDirectory</a>;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="preprocessor">#endif</span>
<a name="l00091"></a>00091 <span class="preprocessor"></span>
<a name="l00092"></a>00092 <span class="comment">/***</span>
<a name="l00093"></a>00093 <span class="comment"> END</span>
<a name="l00094"></a>00094 <span class="comment"> ***/</span>
<a name="l00095"></a>00095
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Dec 15 11:18:55 2006 for UbixOS V2 by
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