<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.16"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>UbixOS V2: C:/Dev/git/UbixOS/sys/vmm/vmm_memory.c File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license 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window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="summary"> <a href="#func-members">Functions</a> | <a href="#var-members">Variables</a> </div> <div class="headertitle"> <div class="title">vmm_memory.c File Reference</div> </div> </div><!--header--> <div class="contents"> <div class="textblock"><code>#include <<a class="el" href="vmm_8h_source.html">vmm/vmm.h</a>></code><br /> <code>#include <<a class="el" href="io_8h_source.html">sys/io.h</a>></code><br /> <code>#include <<a class="el" href="kpanic_8h_source.html">ubixos/kpanic.h</a>></code><br /> <code>#include <<a class="el" href="kprintf_8h_source.html">lib/kprintf.h</a>></code><br /> <code>#include <<a class="el" href="kmalloc_8h_source.html">lib/kmalloc.h</a>></code><br /> <code>#include <<a class="el" href="vitals_8h_source.html">ubixos/vitals.h</a>></code><br /> <code>#include <<a class="el" href="spinlock_8h_source.html">ubixos/spinlock.h</a>></code><br /> <code>#include <<a class="el" href="assert_8h_source.html">assert.h</a>></code><br /> <code>#include <<a class="el" href="i386_2cpu_8h_source.html">i386/cpu.h</a>></code><br /> </div><div class="textblock"><div class="dynheader"> Include dependency graph for vmm_memory.c:</div> <div class="dyncontent"> <div class="center"><img src="vmm__memory_8c__incl.png" border="0" usemap="#C_1_2Dev_2git_2UbixOS_2sys_2vmm_2vmm__memory_8c" alt=""/></div> </div> </div> <p><a href="vmm__memory_8c_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:a362d462b3a1e19b5e0ef95e1839dbf11"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm__memory_8c.html#a362d462b3a1e19b5e0ef95e1839dbf11">adjustCowCounter</a> (<a class="el" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> baseAddr, int adjustment)</td></tr> <tr class="separator:a362d462b3a1e19b5e0ef95e1839dbf11"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1a89fbc2f80ca828332c5ef31801faa3"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm__memory_8c.html#a1a89fbc2f80ca828332c5ef31801faa3">countMemory</a> ()</td></tr> <tr class="separator:a1a89fbc2f80ca828332c5ef31801faa3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a38c3fe6ce5f3bf8af4a0631d4c41b0ba"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm__memory_8c.html#a38c3fe6ce5f3bf8af4a0631d4c41b0ba">freePage</a> (<a class="el" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> pageAddr)</td></tr> <tr class="separator:a38c3fe6ce5f3bf8af4a0631d4c41b0ba"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab8e4e189a7b1df2a03072ce5b75c89fe"><td class="memItemLeft" align="right" valign="top"><a class="el" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm__memory_8c.html#ab8e4e189a7b1df2a03072ce5b75c89fe">vmm_findFreePage</a> (<a class="el" href="include_2sys_2types_8h.html#ae438ba74394b14d7b24b6df3b3b8c252">pidType</a> pid)</td></tr> <tr class="separator:ab8e4e189a7b1df2a03072ce5b75c89fe"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a6a46a3d519d9f38f00d8b00d2ce60e04"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm__memory_8c.html#a6a46a3d519d9f38f00d8b00d2ce60e04">vmm_freeProcessPages</a> (<a class="el" href="include_2sys_2types_8h.html#ae438ba74394b14d7b24b6df3b3b8c252">pidType</a> pid)</td></tr> <tr class="separator:a6a46a3d519d9f38f00d8b00d2ce60e04"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4fc8ad0b76f4382b01c4a0e53529750c"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm__memory_8c.html#a4fc8ad0b76f4382b01c4a0e53529750c">vmm_memMapInit</a> ()</td></tr> <tr class="separator:a4fc8ad0b76f4382b01c4a0e53529750c"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a> Variables</h2></td></tr> <tr class="memitem:a2b0091bdc36e32af3daf9cfcaa7c04e1"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a> = 0x0</td></tr> <tr class="separator:a2b0091bdc36e32af3daf9cfcaa7c04e1"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a89e87741958ee81f1811075b25af058a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmMap.html">mMap</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a> = (<a class="el" href="structmMap.html">mMap</a> *) <a class="el" href="vmm_8h.html#a1e10465731ac6cbfc253ce7d89ae34c8">VMM_MMAP_ADDR_RMODE</a></td></tr> <tr class="separator:a89e87741958ee81f1811075b25af058a"><td class="memSeparator" colspan="2"> </td></tr> </table> <h2 class="groupheader">Function Documentation</h2> <a id="a362d462b3a1e19b5e0ef95e1839dbf11"></a> <h2 class="memtitle"><span class="permalink"><a href="#a362d462b3a1e19b5e0ef95e1839dbf11">◆ </a></span>adjustCowCounter()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int adjustCowCounter </td> <td>(</td> <td class="paramtype"><a class="el" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> </td> <td class="paramname"><em>baseAddr</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>adjustment</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="vmm__memory_8c_source.html#l00303">303</a> of file <a class="el" href="vmm__memory_8c_source.html">vmm_memory.c</a>.</p> <p class="reference">References <a class="el" href="assert_8h_source.html#l00064">assert</a>, <a class="el" href="paging_8h_source.html#l00037">PAGE_SIZE</a>, and <a class="el" href="armv6_2spinlock_8c_source.html#l00055">spinLock()</a>.</p> <div class="dynheader"> Here is the call graph for this function:</div> <div class="dyncontent"> <div class="center"><img src="vmm__memory_8c_a362d462b3a1e19b5e0ef95e1839dbf11_cgraph.png" border="0" usemap="#vmm__memory_8c_a362d462b3a1e19b5e0ef95e1839dbf11_cgraph" alt=""/></div> </div> </div> </div> <a id="a1a89fbc2f80ca828332c5ef31801faa3"></a> <h2 class="memtitle"><span class="permalink"><a href="#a1a89fbc2f80ca828332c5ef31801faa3">◆ </a></span>countMemory()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int countMemory </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="vmm__memory_8c_source.html#l00109">109</a> of file <a class="el" href="vmm__memory_8c_source.html">vmm_memory.c</a>.</p> <p class="reference">References <a class="el" href="io_8c_source.html#l00038">inportByte()</a>, and <a class="el" href="io_8c_source.html#l00072">outportByte()</a>.</p> <p class="reference">Referenced by <a class="el" href="vmm__memory_8c_source.html#l00057">vmm_memMapInit()</a>.</p> <div class="dynheader"> Here is the call graph for this function:</div> <div class="dyncontent"> <div class="center"><img src="vmm__memory_8c_a1a89fbc2f80ca828332c5ef31801faa3_cgraph.png" border="0" usemap="#vmm__memory_8c_a1a89fbc2f80ca828332c5ef31801faa3_cgraph" alt=""/></div> </div> </div> </div> <a id="a38c3fe6ce5f3bf8af4a0631d4c41b0ba"></a> <h2 class="memtitle"><span class="permalink"><a href="#a38c3fe6ce5f3bf8af4a0631d4c41b0ba">◆ </a></span>freePage()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int freePage </td> <td>(</td> <td class="paramtype"><a class="el" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> </td> <td class="paramname"><em>pageAddr</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="vmm__memory_8c_source.html#l00262">262</a> of file <a class="el" href="vmm__memory_8c_source.html">vmm_memory.c</a>.</p> <p class="reference">References <a class="el" href="assert_8h_source.html#l00064">assert</a>, <a class="el" href="armv6_2spinlock_8c_source.html#l00055">spinLock()</a>, and <a class="el" href="vmm__memory_8c_source.html#l00047">vmmMemoryMap</a>.</p> <p class="reference">Referenced by <a class="el" href="unmappage_8c_source.html#l00047">vmm_unmapPage()</a>.</p> <div class="dynheader"> Here is the call graph for this function:</div> <div class="dyncontent"> <div class="center"><img src="vmm__memory_8c_a38c3fe6ce5f3bf8af4a0631d4c41b0ba_cgraph.png" border="0" usemap="#vmm__memory_8c_a38c3fe6ce5f3bf8af4a0631d4c41b0ba_cgraph" alt=""/></div> </div> </div> </div> <a id="ab8e4e189a7b1df2a03072ce5b75c89fe"></a> <h2 class="memtitle"><span class="permalink"><a href="#ab8e4e189a7b1df2a03072ce5b75c89fe">◆ </a></span>vmm_findFreePage()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> vmm_findFreePage </td> <td>(</td> <td class="paramtype"><a class="el" href="include_2sys_2types_8h.html#ae438ba74394b14d7b24b6df3b3b8c252">pidType</a> </td> <td class="paramname"><em>pid</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="vmm__memory_8c_source.html#l00221">221</a> of file <a class="el" href="vmm__memory_8c_source.html">vmm_memory.c</a>.</p> <p class="reference">References <a class="el" href="armv6_2kpanic_8c_source.html#l00041">kpanic()</a>, <a class="el" href="armv6_2spinlock_8c_source.html#l00055">spinLock()</a>, and <a class="el" href="kmalloc_8h_source.html#l00038">sysID</a>.</p> <p class="reference">Referenced by <a class="el" href="kernel_2elf_8c_source.html#l00037">elf_load_file()</a>, <a class="el" href="exec_8c_source.html#l00153">execFile()</a>, <a class="el" href="vmm__mmap_8c_source.html#l00075">freebsd6_mmap()</a>, <a class="el" href="kmod_8c_source.html#l00070">kmod_load()</a>, <a class="el" href="ld_8c_source.html#l00040">ldEnable()</a>, <a class="el" href="vmm__mmap_8c_source.html#l00162">sys_mmap()</a>, <a class="el" href="exec_8c_source.html#l00340">sysExec()</a>, <a class="el" href="vmm__allocpagetable_8c_source.html#l00007">vmm_allocPageTable()</a>, <a class="el" href="paging_8c_source.html#l00291">vmm_getFreeKernelPage()</a>, and <a class="el" href="paging_8c_source.html#l00058">vmm_pagingInit()</a>.</p> <div class="dynheader"> Here is the call graph for this function:</div> <div class="dyncontent"> <div class="center"><img src="vmm__memory_8c_ab8e4e189a7b1df2a03072ce5b75c89fe_cgraph.png" border="0" usemap="#vmm__memory_8c_ab8e4e189a7b1df2a03072ce5b75c89fe_cgraph" alt=""/></div> </div> </div> </div> <a id="a6a46a3d519d9f38f00d8b00d2ce60e04"></a> <h2 class="memtitle"><span class="permalink"><a href="#a6a46a3d519d9f38f00d8b00d2ce60e04">◆ </a></span>vmm_freeProcessPages()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void vmm_freeProcessPages </td> <td>(</td> <td class="paramtype"><a class="el" href="include_2sys_2types_8h.html#ae438ba74394b14d7b24b6df3b3b8c252">pidType</a> </td> <td class="paramname"><em>pid</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="vmm__memory_8c_source.html#l00342">342</a> of file <a class="el" href="vmm__memory_8c_source.html">vmm_memory.c</a>.</p> <p class="reference">References <a class="el" href="paging_8h_source.html#l00045">PD_BASE_ADDR</a>, and <a class="el" href="armv6_2spinlock_8c_source.html#l00055">spinLock()</a>.</p> <p class="reference">Referenced by <a class="el" href="i386_2systemtask_8c_source.html#l00046">systemTask()</a>.</p> <div class="dynheader"> Here is the call graph for this function:</div> <div class="dyncontent"> <div class="center"><img src="vmm__memory_8c_a6a46a3d519d9f38f00d8b00d2ce60e04_cgraph.png" border="0" usemap="#vmm__memory_8c_a6a46a3d519d9f38f00d8b00d2ce60e04_cgraph" alt=""/></div> </div> </div> </div> <a id="a4fc8ad0b76f4382b01c4a0e53529750c"></a> <h2 class="memtitle"><span class="permalink"><a href="#a4fc8ad0b76f4382b01c4a0e53529750c">◆ </a></span>vmm_memMapInit()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int vmm_memMapInit </td> <td>(</td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="vmm__memory_8c_source.html#l00057">57</a> of file <a class="el" href="vmm__memory_8c_source.html">vmm_memory.c</a>.</p> <p class="reference">References <a class="el" href="vmm__memory_8c_source.html#l00109">countMemory()</a>, <a class="el" href="vmm_8h_source.html#l00107">mMap::cowCounter</a>, <a class="el" href="vmm_8h_source.html#l00042">memNotavail</a>, <a class="el" href="vmm__memory_8c_source.html#l00045">numPages</a>, <a class="el" href="paging_8h_source.html#l00037">PAGE_SIZE</a>, <a class="el" href="vmm_8h_source.html#l00103">mMap::pageAddr</a>, <a class="el" href="vmm_8h_source.html#l00106">mMap::pid</a>, <a class="el" href="vmm_8h_source.html#l00104">mMap::status</a>, <a class="el" href="vmm_8h_source.html#l00051">VMM_MMAP_ADDR_RMODE</a>, <a class="el" href="vmm_8h_source.html#l00043">vmmID</a>, and <a class="el" href="vmm__memory_8c_source.html#l00047">vmmMemoryMap</a>.</p> <p class="reference">Referenced by <a class="el" href="vmm__init_8c_source.html#l00043">vmm_init()</a>.</p> <div class="dynheader"> Here is the call graph for this function:</div> <div class="dyncontent"> <div class="center"><img src="vmm__memory_8c_a4fc8ad0b76f4382b01c4a0e53529750c_cgraph.png" border="0" usemap="#vmm__memory_8c_a4fc8ad0b76f4382b01c4a0e53529750c_cgraph" alt=""/></div> </div> </div> </div> <h2 class="groupheader">Variable Documentation</h2> <a id="a2b0091bdc36e32af3daf9cfcaa7c04e1"></a> <h2 class="memtitle"><span class="permalink"><a href="#a2b0091bdc36e32af3daf9cfcaa7c04e1">◆ </a></span>numPages</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int numPages = 0x0</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="vmm__memory_8c_source.html#l00045">45</a> of file <a class="el" href="vmm__memory_8c_source.html">vmm_memory.c</a>.</p> <p class="reference">Referenced by <a class="el" href="vmm__memory_8c_source.html#l00057">vmm_memMapInit()</a>, and <a class="el" href="paging_8c_source.html#l00058">vmm_pagingInit()</a>.</p> </div> </div> <a id="a89e87741958ee81f1811075b25af058a"></a> <h2 class="memtitle"><span class="permalink"><a href="#a89e87741958ee81f1811075b25af058a">◆ </a></span>vmmMemoryMap</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="structmMap.html">mMap</a>* vmmMemoryMap = (<a class="el" href="structmMap.html">mMap</a> *) <a class="el" href="vmm_8h.html#a1e10465731ac6cbfc253ce7d89ae34c8">VMM_MMAP_ADDR_RMODE</a></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="vmm__memory_8c_source.html#l00047">47</a> of file <a class="el" href="vmm__memory_8c_source.html">vmm_memory.c</a>.</p> <p class="reference">Referenced by <a class="el" href="vmm__memory_8c_source.html#l00262">freePage()</a>, <a class="el" href="vmm__memory_8c_source.html#l00057">vmm_memMapInit()</a>, and <a class="el" href="paging_8c_source.html#l00058">vmm_pagingInit()</a>.</p> </div> </div> </div><!-- contents --> 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