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<title>UbixOS V2: src/sys/include/vmm/vmm.h File Reference</title>
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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>vmm.h File Reference</h1><code>#include <<a class="el" href="paging_8h-source.html">vmm/paging.h</a>></code><br>
<code>#include <<a class="el" href="include_2ubixos_2types_8h-source.html">ubixos/types.h</a>></code><br>
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<a href="vmm_8h-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structmMap.html">mMap</a></td></tr>
<tr><td colspan="2"><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#b75ffaa83e1dc903d97c411c84dfec0f">memAvail</a> 1</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#41dc1abc6436bd66a4269de8ab471181">memNotavail</a> 2</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#e6c443b60824c02f199f51cf4a14e9f4">vmmID</a> -3</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#e6d4c286bb58576d1802a2c7d92e698e">vmmMemoryMapAddr</a> 0xE6667000</td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#362d462b3a1e19b5e0ef95e1839dbf11">adjustCowCounter</a> (<a class="el" href="ubixfsv2_2types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> baseAddr, int adjustment)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#1a89fbc2f80ca828332c5ef31801faa3">countMemory</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#e90be267d851fed04d4d9b1c6c10454a">freePage</a> (<a class="el" href="ubixfsv2_2types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> pageAddr)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#ac183f585641487a954ca46c0d7bde31">vmm_init</a> ()</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="include_2ubixos_2types_8h.html#ba29fd78d95cce0ecb249c24b58d07da">u_int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#976cf3919bf7c77c868021ec9374593b">vmmFindFreePage</a> (<a class="el" href="include_2ubixos_2types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a> pid)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#a24b696e386ef97dfe88b9b434c671c6">vmmFreeProcessPages</a> (<a class="el" href="include_2ubixos_2types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a> pid)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#0926a4c7f70e387891f6124a48258b64">vmmMemMapInit</a> ()</td></tr>
<tr><td colspan="2"><br><h2>Variables</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="structmMap.html">mMap</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="vmm_8h.html#89e87741958ee81f1811075b25af058a">vmmMemoryMap</a></td></tr>
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<hr><h2>Define Documentation</h2>
<a class="anchor" name="b75ffaa83e1dc903d97c411c84dfec0f"></a><!-- doxytag: member="vmm.h::memAvail" ref="b75ffaa83e1dc903d97c411c84dfec0f" args="" -->
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<td class="memname">#define memAvail 1 </td>
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Definition at line <a class="el" href="vmm_8h-source.html#l00036">36</a> of file <a class="el" href="vmm_8h-source.html">vmm.h</a>.
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Referenced by <a class="el" href="vmm__memory_8c-source.html#l00266">adjustCowCounter()</a>, <a class="el" href="vmm__memory_8c-source.html#l00228">freePage()</a>, <a class="el" href="vmm__memory_8c-source.html#l00186">vmmFindFreePage()</a>, <a class="el" href="vmm__memory_8c-source.html#l00296">vmmFreeProcessPages()</a>, and <a class="el" href="vmm__memory_8c-source.html#l00057">vmmMemMapInit()</a>.
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<a class="anchor" name="41dc1abc6436bd66a4269de8ab471181"></a><!-- doxytag: member="vmm.h::memNotavail" ref="41dc1abc6436bd66a4269de8ab471181" args="" -->
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<td class="memname">#define memNotavail 2 </td>
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Definition at line <a class="el" href="vmm_8h-source.html#l00037">37</a> of file <a class="el" href="vmm_8h-source.html">vmm.h</a>.
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Referenced by <a class="el" href="vmm__memory_8c-source.html#l00186">vmmFindFreePage()</a>, and <a class="el" href="vmm__memory_8c-source.html#l00057">vmmMemMapInit()</a>.
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<a class="anchor" name="e6c443b60824c02f199f51cf4a14e9f4"></a><!-- doxytag: member="vmm.h::vmmID" ref="e6c443b60824c02f199f51cf4a14e9f4" args="" -->
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<td class="memname">#define vmmID -3 </td>
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Definition at line <a class="el" href="vmm_8h-source.html#l00038">38</a> of file <a class="el" href="vmm_8h-source.html">vmm.h</a>.
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Referenced by <a class="el" href="vmm__memory_8c-source.html#l00266">adjustCowCounter()</a>, <a class="el" href="vmm__memory_8c-source.html#l00296">vmmFreeProcessPages()</a>, and <a class="el" href="vmm__memory_8c-source.html#l00057">vmmMemMapInit()</a>.
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<a class="anchor" name="e6d4c286bb58576d1802a2c7d92e698e"></a><!-- doxytag: member="vmm.h::vmmMemoryMapAddr" ref="e6d4c286bb58576d1802a2c7d92e698e" args="" -->
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<td class="memname">#define vmmMemoryMapAddr 0xE6667000 </td>
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Definition at line <a class="el" href="vmm_8h-source.html#l00039">39</a> of file <a class="el" href="vmm_8h-source.html">vmm.h</a>.
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Referenced by <a class="el" href="paging_8c-source.html#l00059">vmm_pagingInit()</a>.
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<hr><h2>Function Documentation</h2>
<a class="anchor" name="362d462b3a1e19b5e0ef95e1839dbf11"></a><!-- doxytag: member="vmm.h::adjustCowCounter" ref="362d462b3a1e19b5e0ef95e1839dbf11" args="(uInt32 baseAddr, int adjustment)" -->
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<td class="memname">int adjustCowCounter </td>
<td>(</td>
<td class="paramtype"><a class="el" href="ubixfsv2_2types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> </td>
<td class="paramname"> <em>baseAddr</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"> <em>adjustment</em></td><td> </td>
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Definition at line <a class="el" href="vmm__memory_8c-source.html#l00266">266</a> of file <a class="el" href="vmm__memory_8c-source.html">vmm_memory.c</a>.
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References <a class="el" href="assert_8h-source.html#l00064">assert</a>, <a class="el" href="vmm_8h-source.html#l00046">mMap::cowCounter</a>, <a class="el" href="vmm__memory_8c-source.html#l00039">freePages</a>, <a class="el" href="vitals_8h-source.html#l00044">vitalsStruct::freePages</a>, <a class="el" href="vmm_8h-source.html#l00036">memAvail</a>, <a class="el" href="vmm_8h-source.html#l00045">mMap::pid</a>, <a class="el" href="spinlock_8c-source.html#l00056">spinLock()</a>, <a class="el" href="spinlock_8c-source.html#l00037">spinUnlock()</a>, <a class="el" href="vmm_8h-source.html#l00043">mMap::status</a>, <a class="el" href="timer_8S-source.html#l00035">systemVitals</a>, <a class="el" href="vmm__memory_8c-source.html#l00041">vmmCowSpinLock</a>, <a class="el" href="vmm_8h-source.html#l00038">vmmID</a>, and <a class="el" href="vmm__memory_8c-source.html#l00045">vmmMemoryMap</a>.
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Referenced by <a class="el" href="vmm__memory_8c-source.html#l00228">freePage()</a>, <a class="el" href="pagefault_8c-source.html#l00053">vmm_pageFault()</a>, <a class="el" href="copyvirtualspace_8c-source.html#l00053">vmmCopyVirtualSpace()</a>, and <a class="el" href="vmm__memory_8c-source.html#l00296">vmmFreeProcessPages()</a>.
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<a class="anchor" name="1a89fbc2f80ca828332c5ef31801faa3"></a><!-- doxytag: member="vmm.h::countMemory" ref="1a89fbc2f80ca828332c5ef31801faa3" args="()" -->
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<td class="memname">int countMemory </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td width="100%"></td>
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Definition at line <a class="el" href="vmm__memory_8c-source.html#l00104">104</a> of file <a class="el" href="vmm__memory_8c-source.html">vmm_memory.c</a>.
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References <a class="el" href="ap-boot_8S-source.html#l00006">cr0</a>, <a class="el" href="io_8c-source.html#l00039">inportByte()</a>, and <a class="el" href="io_8c-source.html#l00073">outportByte()</a>.
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Referenced by <a class="el" href="vmm__memory_8c-source.html#l00057">vmmMemMapInit()</a>.
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<a class="anchor" name="e90be267d851fed04d4d9b1c6c10454a"></a><!-- doxytag: member="vmm.h::freePage" ref="e90be267d851fed04d4d9b1c6c10454a" args="(uInt32 pageAddr)" -->
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<td class="memname">int freePage </td>
<td>(</td>
<td class="paramtype"><a class="el" href="ubixfsv2_2types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> </td>
<td class="paramname"> <em>pageAddr</em> </td>
<td> ) </td>
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Definition at line <a class="el" href="vmm__memory_8c-source.html#l00228">228</a> of file <a class="el" href="vmm__memory_8c-source.html">vmm_memory.c</a>.
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References <a class="el" href="vmm__memory_8c-source.html#l00266">adjustCowCounter()</a>, <a class="el" href="assert_8h-source.html#l00064">assert</a>, <a class="el" href="vmm_8h-source.html#l00046">mMap::cowCounter</a>, <a class="el" href="vmm__memory_8c-source.html#l00039">freePages</a>, <a class="el" href="vitals_8h-source.html#l00044">vitalsStruct::freePages</a>, <a class="el" href="vmm_8h-source.html#l00036">memAvail</a>, <a class="el" href="vmm_8h-source.html#l00045">mMap::pid</a>, <a class="el" href="spinlock_8c-source.html#l00056">spinLock()</a>, <a class="el" href="spinlock_8c-source.html#l00037">spinUnlock()</a>, <a class="el" href="vmm_8h-source.html#l00043">mMap::status</a>, <a class="el" href="timer_8S-source.html#l00035">systemVitals</a>, <a class="el" href="vmm__memory_8c-source.html#l00045">vmmMemoryMap</a>, and <a class="el" href="vmm__memory_8c-source.html#l00040">vmmSpinLock</a>.
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Referenced by <a class="el" href="paging_8c-source.html#l00160">vmm_remapPage()</a>.
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<a class="anchor" name="ac183f585641487a954ca46c0d7bde31"></a><!-- doxytag: member="vmm.h::vmm_init" ref="ac183f585641487a954ca46c0d7bde31" args="()" -->
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<td class="memname">int vmm_init </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
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Function: int <a class="el" href="vmm_8h.html#ac183f585641487a954ca46c0d7bde31">vmm_init()</a><p>
Description: Initializes the vmm subsystem<p>
Notes:
<p>
Definition at line <a class="el" href="vmm__init_8c-source.html#l00041">41</a> of file <a class="el" href="vmm__init_8c-source.html">vmm_init.c</a>.
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References <a class="el" href="kpanic_8h-source.html#l00033">K_PANIC</a>, <a class="el" href="paging_8c-source.html#l00059">vmm_pagingInit()</a>, and <a class="el" href="vmm__memory_8c-source.html#l00057">vmmMemMapInit()</a>.
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<a class="anchor" name="976cf3919bf7c77c868021ec9374593b"></a><!-- doxytag: member="vmm.h::vmmFindFreePage" ref="976cf3919bf7c77c868021ec9374593b" args="(pidType pid)" -->
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<td class="memname"><a class="el" href="include_2ubixos_2types_8h.html#ba29fd78d95cce0ecb249c24b58d07da">u_int32_t</a> vmmFindFreePage </td>
<td>(</td>
<td class="paramtype"><a class="el" href="include_2ubixos_2types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a> </td>
<td class="paramname"> <em>pid</em> </td>
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Definition at line <a class="el" href="vmm__memory_8c-source.html#l00186">186</a> of file <a class="el" href="vmm__memory_8c-source.html">vmm_memory.c</a>.
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References <a class="el" href="vmm__memory_8c-source.html#l00039">freePages</a>, <a class="el" href="vitals_8h-source.html#l00044">vitalsStruct::freePages</a>, <a class="el" href="kpanic_8c-source.html#l00044">kpanic()</a>, <a class="el" href="vmm_8h-source.html#l00036">memAvail</a>, <a class="el" href="vmm_8h-source.html#l00037">memNotavail</a>, <a class="el" href="vmm__memory_8c-source.html#l00044">numPages</a>, <a class="el" href="vmm_8h-source.html#l00045">mMap::pid</a>, <a class="el" href="spinlock_8c-source.html#l00056">spinLock()</a>, <a class="el" href="spinlock_8c-source.html#l00037">spinUnlock()</a>, <a class="el" href="fdc_8c-source.html#l00054">status</a>, <a class="el" href="kmalloc_8h-source.html#l00039">sysID</a>, <a class="el" href="timer_8S-source.html#l00035">systemVitals</a>, <a class="el" href="vmm__memory_8c-source.html#l00045">vmmMemoryMap</a>, and <a class="el" href="vmm__memory_8c-source.html#l00040">vmmSpinLock</a>.
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Referenced by <a class="el" href="exec_8c-source.html#l00142">execFile()</a>, <a class="el" href="kmod_8c-source.html#l00075">kmod_load()</a>, <a class="el" href="ld_8c-source.html#l00042">ldEnable()</a>, <a class="el" href="paging_8c-source.html#l00477">obreak()</a>, <a class="el" href="exec_8c-source.html#l00333">sysExec()</a>, <a class="el" href="paging_8c-source.html#l00401">vmm_getFreeMallocPage()</a>, <a class="el" href="pagefault_8c-source.html#l00053">vmm_pageFault()</a>, <a class="el" href="paging_8c-source.html#l00059">vmm_pagingInit()</a>, <a class="el" href="paging_8c-source.html#l00160">vmm_remapPage()</a>, <a class="el" href="paging_8c-source.html#l00253">vmmGetFreeKernelPage()</a>, <a class="el" href="getfreepage_8c-source.html#l00048">vmmGetFreePage()</a>, and <a class="el" href="getfreevirtualpage_8c-source.html#l00047">vmmGetFreeVirtualPage()</a>.
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<a class="anchor" name="a24b696e386ef97dfe88b9b434c671c6"></a><!-- doxytag: member="vmm.h::vmmFreeProcessPages" ref="a24b696e386ef97dfe88b9b434c671c6" args="(pidType pid)" -->
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<td class="memname">void vmmFreeProcessPages </td>
<td>(</td>
<td class="paramtype"><a class="el" href="include_2ubixos_2types_8h.html#e438ba74394b14d7b24b6df3b3b8c252">pidType</a> </td>
<td class="paramname"> <em>pid</em> </td>
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Definition at line <a class="el" href="vmm__memory_8c-source.html#l00296">296</a> of file <a class="el" href="vmm__memory_8c-source.html">vmm_memory.c</a>.
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References <a class="el" href="vmm__memory_8c-source.html#l00266">adjustCowCounter()</a>, <a class="el" href="vmm_8h-source.html#l00046">mMap::cowCounter</a>, <a class="el" href="vmm__memory_8c-source.html#l00039">freePages</a>, <a class="el" href="vitals_8h-source.html#l00044">vitalsStruct::freePages</a>, <a class="el" href="vmm_8h-source.html#l00036">memAvail</a>, <a class="el" href="vmm__memory_8c-source.html#l00044">numPages</a>, <a class="el" href="paging_8h-source.html#l00046">PAGE_COW</a>, <a class="el" href="paging_8h-source.html#l00042">pageEntries</a>, <a class="el" href="paging_8h-source.html#l00044">parentPageDirAddr</a>, <a class="el" href="vmm_8h-source.html#l00045">mMap::pid</a>, <a class="el" href="spinlock_8c-source.html#l00056">spinLock()</a>, <a class="el" href="spinlock_8c-source.html#l00037">spinUnlock()</a>, <a class="el" href="fdc_8c-source.html#l00054">status</a>, <a class="el" href="timer_8S-source.html#l00035">systemVitals</a>, <a class="el" href="paging_8h-source.html#l00043">tablesBaseAddress</a>, <a class="el" href="vmm_8h-source.html#l00038">vmmID</a>, <a class="el" href="vmm__memory_8c-source.html#l00045">vmmMemoryMap</a>, <a class="el" href="vmm__memory_8c-source.html#l00040">vmmSpinLock</a>, and <a class="el" href="ap-boot_8S-source.html#l00052">x1000</a>.
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Referenced by <a class="el" href="systemtask_8c-source.html#l00048">systemTask()</a>.
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<a class="anchor" name="0926a4c7f70e387891f6124a48258b64"></a><!-- doxytag: member="vmm.h::vmmMemMapInit" ref="0926a4c7f70e387891f6124a48258b64" args="()" -->
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<td class="memname">int vmmMemMapInit </td>
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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>.
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References <a class="el" href="vmm__memory_8c-source.html#l00104">countMemory()</a>, <a class="el" href="vmm__memory_8c-source.html#l00039">freePages</a>, <a class="el" href="kprintf_8c-source.html#l00038">kprintf()</a>, <a class="el" href="vmm_8h-source.html#l00036">memAvail</a>, <a class="el" href="vmm_8h-source.html#l00037">memNotavail</a>, <a class="el" href="vmm__memory_8c-source.html#l00044">numPages</a>, <a class="el" href="vmm_8h-source.html#l00042">mMap::pageAddr</a>, <a class="el" href="vmm_8h-source.html#l00045">mMap::pid</a>, <a class="el" href="vmm_8h-source.html#l00043">mMap::status</a>, <a class="el" href="fdc_8c-source.html#l00054">status</a>, <a class="el" href="vmm_8h-source.html#l00038">vmmID</a>, <a class="el" href="vmm__memory_8c-source.html#l00045">vmmMemoryMap</a>, and <a class="el" href="ap-boot_8S-source.html#l00052">x1000</a>.
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Referenced by <a class="el" href="vmm__init_8c-source.html#l00041">vmm_init()</a>.
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<hr><h2>Variable Documentation</h2>
<a class="anchor" name="2b0091bdc36e32af3daf9cfcaa7c04e1"></a><!-- doxytag: member="vmm.h::numPages" ref="2b0091bdc36e32af3daf9cfcaa7c04e1" args="" -->
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<td class="memname">int <a class="el" href="vmm__memory_8c.html#2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a> </td>
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Definition at line <a class="el" href="vmm__memory_8c-source.html#l00044">44</a> of file <a class="el" href="vmm__memory_8c-source.html">vmm_memory.c</a>.
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Referenced by <a class="el" href="paging_8c-source.html#l00059">vmm_pagingInit()</a>, <a class="el" href="vmm__memory_8c-source.html#l00186">vmmFindFreePage()</a>, <a class="el" href="vmm__memory_8c-source.html#l00296">vmmFreeProcessPages()</a>, and <a class="el" href="vmm__memory_8c-source.html#l00057">vmmMemMapInit()</a>.
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<a class="anchor" name="89e87741958ee81f1811075b25af058a"></a><!-- doxytag: member="vmm.h::vmmMemoryMap" ref="89e87741958ee81f1811075b25af058a" args="" -->
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<td class="memname"><a class="el" href="structmMap.html">mMap</a>* <a class="el" href="vmm__memory_8c.html#89e87741958ee81f1811075b25af058a">vmmMemoryMap</a> </td>
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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>.
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Referenced by <a class="el" href="vmm__memory_8c-source.html#l00266">adjustCowCounter()</a>, <a class="el" href="vmm__memory_8c-source.html#l00228">freePage()</a>, <a class="el" href="main_8c-source.html#l00097">kmain()</a>, <a class="el" href="paging_8c-source.html#l00059">vmm_pagingInit()</a>, <a class="el" href="vmm__memory_8c-source.html#l00186">vmmFindFreePage()</a>, <a class="el" href="vmm__memory_8c-source.html#l00296">vmmFreeProcessPages()</a>, and <a class="el" href="vmm__memory_8c-source.html#l00057">vmmMemMapInit()</a>.
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