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<div class="title">vmm_memory.c</div> </div>
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<a href="vmm__memory_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2002-2018 The UbixOS Project.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This was developed by Christopher W. Olsen for the UbixOS Project.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification, are permitted</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * provided that the following conditions are met:</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * 1) Redistributions of source code must retain the above copyright notice, this list of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * conditions, the following disclaimer and the list of authors.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * 2) Redistributions in binary form must reproduce the above copyright notice, this list of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * conditions, the following disclaimer and the list of authors in the documentation and/or</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * other materials provided with the distribution.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * endorse or promote products derived from this software without specific prior written</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * permission.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="vmm_8h.html">vmm/vmm.h</a>></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <<a class="code" href="io_8h.html">sys/io.h</a>></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="kpanic_8h.html">ubixos/kpanic.h</a>></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="kprintf_8h.html">lib/kprintf.h</a>></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="kmalloc_8h.html">lib/kmalloc.h</a>></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="vitals_8h.html">ubixos/vitals.h</a>></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <<a class="code" href="spinlock_8h.html">ubixos/spinlock.h</a>></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <<a class="code" href="assert_8h.html">assert.h</a>></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">//MrOlsen (2016-01-11) NOTE: Need to Seperate Out CPU Specific Stuff Over Time</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <<a class="code" href="i386_2cpu_8h.html">i386/cpu.h</a>></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">static</span> <a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> freePages = 0;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structspinLock.html">spinLock</a> vmmSpinLock = <a class="code" href="spinlock_8h.html#a0fe85a4f3642683148b25916d6c5eafd">SPIN_LOCK_INITIALIZER</a>;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">//static struct spinLock vmmCowSpinLock = SPIN_LOCK_INITIALIZER;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1"> 45</a></span> <span class="keywordtype">int</span> <a class="code" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a> = 0x0;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a"> 47</a></span> <a class="code" href="structmMap.html">mMap</a> *<a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a> = (<a class="code" href="structmMap.html">mMap</a> *) <a class="code" href="vmm_8h.html#a1e10465731ac6cbfc253ce7d89ae34c8">VMM_MMAP_ADDR_RMODE</a>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">/************************************************************************</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"></span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> Function: void vmm_memMapInit();</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> Description: This Function Initializes The Memory Map For the System</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> Notes:</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"></span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> 02/20/2004 - Made It Report Real And Available Memory</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"></span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="vmm__memory_8c.html#a4fc8ad0b76f4382b01c4a0e53529750c"> 57</a></span> <span class="comment"> ************************************************************************/</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keywordtype">int</span> <a class="code" href="vmm__memory_8c.html#a4fc8ad0b76f4382b01c4a0e53529750c">vmm_memMapInit</a>() {</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">int</span> i = 0x0;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">int</span> memStart = 0x0;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">/* Count System Memory */</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <a class="code" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a> = <a class="code" href="vmm__memory_8c.html#a1a89fbc2f80ca828332c5ef31801faa3">countMemory</a>();</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="comment">/* Set Memory Map To Point To First Physical Page That We Will Use */</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a> = (<a class="code" href="structmMap.html">mMap</a> *) <a class="code" href="vmm_8h.html#a1e10465731ac6cbfc253ce7d89ae34c8">VMM_MMAP_ADDR_RMODE</a>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">/* Initialize Map Make All Pages Not Available */</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">for</span> (i = 0x0; i < <a class="code" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a>; i++) {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#a2fb919d9c0a2653979ed667d59a395cb">cowCounter</a> = 0x0;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#a94139af73246d6ef3bae0f34d4182acd">status</a> = <a class="code" href="vmm_8h.html#a41dc1abc6436bd66a4269de8ab471181">memNotavail</a>;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#ad72d5f52b2195f98e60aa61ed52ae9b1">pid</a> = <a class="code" href="vmm_8h.html#ae6c443b60824c02f199f51cf4a14e9f4">vmmID</a>;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#a4d15e398d755e47c972d2b87e71c40ce">pageAddr</a> = i * <a class="code" href="paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">/* Calculate Start Of Free Memory */</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  memStart = (0x101000 / 0x1000);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  memStart += (((<span class="keyword">sizeof</span>(<a class="code" href="structmMap.html">mMap</a>) * <a class="code" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a>) + (<span class="keyword">sizeof</span>(<a class="code" href="structmMap.html">mMap</a>) - 1)) / 0x1000);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="comment">/* Initialize All Free Pages To Available */</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[(0x100000 / 0x1000)].status = <a class="code" href="vmm_8h.html#ab75ffaa83e1dc903d97c411c84dfec0f">memAvail</a>;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  freePages++;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">for</span> (i = memStart; i < <a class="code" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a>; i++) {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#a94139af73246d6ef3bae0f34d4182acd">status</a> = <a class="code" href="vmm_8h.html#ab75ffaa83e1dc903d97c411c84dfec0f">memAvail</a>;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  freePages++;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (<a class="code" href="vitals_8h.html#a67aae71be472453526fc1a0bfbf80280">systemVitals</a>)</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="vitals_8h.html#a67aae71be472453526fc1a0bfbf80280">systemVitals</a>-><a class="code" href="structvitalsStruct.html#a53cac06836c76cd2aa0724d90b3672da">freePages</a> = freePages;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">/* Print Out Amount Of Memory */</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"Real Memory: %iKB\n"</span>, <a class="code" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a> * 4);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"Available Memory: %iKB\n"</span>, freePages * 4);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="comment">/* Return */</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> (0);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment">/************************************************************************</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"></span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> Function: int countMemory();</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> Description: This Function Counts The Systems Physical Memory</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> Notes:</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment"></span> </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment"> 02/20/2004 - Inspect For Quality And Approved</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="vmm__memory_8c.html#a1a89fbc2f80ca828332c5ef31801faa3"> 109</a></span> <span class="comment"></span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> ************************************************************************/</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keywordtype">int</span> <a class="code" href="vmm__memory_8c.html#a1a89fbc2f80ca828332c5ef31801faa3">countMemory</a>() {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">register</span> <a class="code" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> *<a class="code" href="structmem.html">mem</a> = 0x0;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> memCount = -1, tempMemory = 0x0;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> memKb = 8;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> irq1State, irq2State;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> cr0 = 0x0;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * Save The States Of Both IRQ 1 And 2 So We Can Turn Them Off And Restore</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> * Them Later</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  irq1State = <a class="code" href="io_8h.html#a77b934268de1b3ecdcf3f275413b3108">inportByte</a>(0x21);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  irq2State = <a class="code" href="io_8h.html#a77b934268de1b3ecdcf3f275413b3108">inportByte</a>(0xA1);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">/* Turn Off IRQ 1 And 2 To Prevent Chances Of Faults While Examining Memory */</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="io_8h.html#a8acc1a06073db2e7b92ffbd00fbd0cf1">outportByte</a>(0x21, 0xFF);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="io_8h.html#a8acc1a06073db2e7b92ffbd00fbd0cf1">outportByte</a>(0xA1, 0xFF);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">/* Save The State Of Register CR0 */</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  cr0 = rcr0();</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> asm volatile (</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> "movl %%cr0, %%ebx\n"</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> : "=a" (cr0)</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> :</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment"> : "ebx"</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"> );</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">asm</span> <span class="keyword">volatile</span> (<span class="stringliteral">"wbinvd"</span>);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  load_cr0(cr0 | 0x00000001 | 0x40000000 | 0x20000000);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> asm volatile (</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> "movl %%ebx, %%cr0\n"</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> :</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> : "a" (cr0 | 0x00000001 | 0x40000000 | 0x20000000)</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> : "ebx"</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> );</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">while</span> (memKb < 4096 && memCount != 0) {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  memKb++;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (memCount == -1)</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  memCount = 8388608;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  memCount += 1024 * 1024;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="structmem.html">mem</a> = (<a class="code" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> *) memCount;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  tempMemory = *<a class="code" href="structmem.html">mem</a>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  *<a class="code" href="structmem.html">mem</a> = 0x55AA55AA;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">asm</span>(<span class="stringliteral">""</span>: : :<span class="stringliteral">"memory"</span>);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (*<a class="code" href="structmem.html">mem</a> != 0x55AA55AA) {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  memCount = 0;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  *<a class="code" href="structmem.html">mem</a> = 0xAA55AA55;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keyword">asm</span>(<span class="stringliteral">""</span>: : :<span class="stringliteral">"memory"</span>);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> (*<a class="code" href="structmem.html">mem</a> != 0xAA55AA55) {</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  memCount = 0;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">asm</span>(<span class="stringliteral">""</span>: : :<span class="stringliteral">"memory"</span>);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  *<a class="code" href="structmem.html">mem</a> = tempMemory;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">asm</span>(<span class="stringliteral">"nop"</span>);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="comment">//MrOlsen (2016-01-10) NOTE: I don't like this but I start incrementing form the start.</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  memKb--;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keyword">asm</span>(<span class="stringliteral">"nop"</span>);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  load_cr0(cr0);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"> asm volatile (</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> "movl %%ebx, %%cr0\n"</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment"> :</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"> : "a" (cr0)</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"> : "ebx"</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> );</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">asm</span>(<span class="stringliteral">"nop"</span>);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">/* Restore States For Both IRQ 1 And 2 */</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="io_8h.html#a8acc1a06073db2e7b92ffbd00fbd0cf1">outportByte</a>(0x21, irq1State);</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="io_8h.html#a8acc1a06073db2e7b92ffbd00fbd0cf1">outportByte</a>(0xA1, irq2State);</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  </div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keyword">asm</span>(<span class="stringliteral">"nop"</span>);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">/* Return Amount Of Memory In Pages */</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> ((memKb * 1024 * 1024) / <a class="code" href="paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>);</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="comment">/************************************************************************</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"></span> </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> Function: uInt32 vmm_findFreePage(pid_t pid);</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"></span> </div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"> Description: This Returns A Free Physical Page Address Then Marks It</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"> Not Available As Well As Setting The PID To The Proccess</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"> Allocating This Page</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"><a class="line" href="vmm__memory_8c.html#ab8e4e189a7b1df2a03072ce5b75c89fe"> 221</a></span> <span class="comment"> Notes:</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"></span> </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> ************************************************************************/</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> <a class="code" href="vmm__memory_8c.html#ab8e4e189a7b1df2a03072ce5b75c89fe">vmm_findFreePage</a>(<a class="code" href="include_2sys_2types_8h.html#ae438ba74394b14d7b24b6df3b3b8c252">pidType</a> pid) {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordtype">int</span> i = 0x0;</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  </div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="comment">/* Lets Look For A Free Page */</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (pid < <a class="code" href="kmalloc_8h.html#a81d09bc848b49133401b3efeeb65f1af">sysID</a>)</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <a class="code" href="armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"Error: invalid PID %i\n"</span>, pid);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="armv6_2spinlock_8c.html#a71f03d2ba55111c715b6068254847a53">spinLock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  </div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">for</span> (i = 0; i <= <a class="code" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a>; i++) {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  </div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"> * If We Found A Free Page Set It To Not Available After That Set Its Own</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * And Return The Address</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> ((<a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].status == <a class="code" href="vmm_8h.html#ab75ffaa83e1dc903d97c411c84dfec0f">memAvail</a>) && (<a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].cowCounter == 0)) {</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#a94139af73246d6ef3bae0f34d4182acd">status</a> = <a class="code" href="vmm_8h.html#a41dc1abc6436bd66a4269de8ab471181">memNotavail</a>;</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#ad72d5f52b2195f98e60aa61ed52ae9b1">pid</a> = pid;</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  freePages--;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (<a class="code" href="vitals_8h.html#a67aae71be472453526fc1a0bfbf80280">systemVitals</a>)</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="vitals_8h.html#a67aae71be472453526fc1a0bfbf80280">systemVitals</a>-><a class="code" href="structvitalsStruct.html#a53cac06836c76cd2aa0724d90b3672da">freePages</a> = freePages;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <a class="code" href="armv6_2spinlock_8c.html#ae29ab191c93f9ead066cb462dd2e7247">spinUnlock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">return</span> (<a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].pageAddr);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  </div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">/* If No Free Memory Is Found Return NULL */</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <a class="code" href="armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"Out Of Memory!!!!"</span>);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keywordflow">return</span> (0x0);</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> }</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  </div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment">/************************************************************************</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"></span> </div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> Function: int freePage(uInt32 pageAddr);</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"></span> </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment"> Description: This Function Marks The Page As Free</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"><a class="line" href="vmm__memory_8c.html#a38c3fe6ce5f3bf8af4a0631d4c41b0ba"> 262</a></span> <span class="comment"></span> </div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> Notes:</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"></span> </div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> ************************************************************************/</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="keywordtype">int</span> <a class="code" href="vmm__memory_8c.html#a38c3fe6ce5f3bf8af4a0631d4c41b0ba">freePage</a>(<a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> pageAddr) {</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  </div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordtype">int</span> pageIndex = 0x0;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <a class="code" href="assert_8h.html#ad6d5aaa966ca7424f7cb9bd01f2c838b">assert</a>((pageAddr & 0xFFF) == 0x0);</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">/* Find The Page Index To The Memory Map */</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  pageIndex = (pageAddr / 4096);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  </div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">/* Check If Page COW Is Greater Then 0 If It Is Dec It If Not Free It */</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> (<a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[pageIndex].cowCounter == 0) {</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="comment">/* Set Page As Avail So It Can Be Used Again */</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <a class="code" href="armv6_2spinlock_8c.html#a71f03d2ba55111c715b6068254847a53">spinLock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[pageIndex].<a class="code" href="structmMap.html#a94139af73246d6ef3bae0f34d4182acd">status</a> = <a class="code" href="vmm_8h.html#ab75ffaa83e1dc903d97c411c84dfec0f">memAvail</a>;</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[pageIndex].<a class="code" href="structmMap.html#a2fb919d9c0a2653979ed667d59a395cb">cowCounter</a> = 0x0;</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[pageIndex].<a class="code" href="structmMap.html#ad72d5f52b2195f98e60aa61ed52ae9b1">pid</a> = -2;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  freePages++;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <a class="code" href="vitals_8h.html#a67aae71be472453526fc1a0bfbf80280">systemVitals</a>-><a class="code" href="structvitalsStruct.html#a53cac06836c76cd2aa0724d90b3672da">freePages</a> = freePages;</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <a class="code" href="armv6_2spinlock_8c.html#ae29ab191c93f9ead066cb462dd2e7247">spinUnlock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="comment">/* Adjust The COW Counter */</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <a class="code" href="vmm__memory_8c.html#a362d462b3a1e19b5e0ef95e1839dbf11">adjustCowCounter</a>(((<a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[pageIndex].pageAddr), -1);</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  </div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="comment">/* Return */</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> (0);</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> }</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  </div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment">/************************************************************************</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"></span> </div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"> Function: int adjustCowCounter(uInt32 baseAddr,int adjustment);</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"></span> </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"> Description: This Adjust The COW Counter For Page At baseAddr It Will</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"> Error If The Count Goes Below 0</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"></span> </div>
<div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="vmm__memory_8c.html#a362d462b3a1e19b5e0ef95e1839dbf11"> 303</a></span> <span class="comment"> Notes:</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"></span> </div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> 08/01/02 - I Think If Counter Gets To 0 I Should Free The Page</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment"></span> </div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment"> ************************************************************************/</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="keywordtype">int</span> <a class="code" href="vmm__memory_8c.html#a362d462b3a1e19b5e0ef95e1839dbf11">adjustCowCounter</a>(<a class="code" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> baseAddr, <span class="keywordtype">int</span> adjustment) {</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  </div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordtype">int</span> vmmMemoryMapIndex = (baseAddr / <a class="code" href="paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <a class="code" href="assert_8h.html#ad6d5aaa966ca7424f7cb9bd01f2c838b">assert</a>((baseAddr & 0xFFF) == 0x0);</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  </div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <a class="code" href="armv6_2spinlock_8c.html#a71f03d2ba55111c715b6068254847a53">spinLock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">/* Adjust COW Counter */</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[vmmMemoryMapIndex].<a class="code" href="structmMap.html#a2fb919d9c0a2653979ed667d59a395cb">cowCounter</a> += adjustment;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  </div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">if</span> (<a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[vmmMemoryMapIndex].cowCounter <= 0) {</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  </div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (<a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[vmmMemoryMapIndex].cowCounter < 0)</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"ERROR: Why is COW less than 0"</span>);</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  </div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[vmmMemoryMapIndex].<a class="code" href="structmMap.html#a2fb919d9c0a2653979ed667d59a395cb">cowCounter</a> = 0x0;</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[vmmMemoryMapIndex].<a class="code" href="structmMap.html#ad72d5f52b2195f98e60aa61ed52ae9b1">pid</a> = <a class="code" href="vmm_8h.html#ae6c443b60824c02f199f51cf4a14e9f4">vmmID</a>;</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[vmmMemoryMapIndex].<a class="code" href="structmMap.html#a94139af73246d6ef3bae0f34d4182acd">status</a> = <a class="code" href="vmm_8h.html#ab75ffaa83e1dc903d97c411c84dfec0f">memAvail</a>;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  freePages++;</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <a class="code" href="vitals_8h.html#a67aae71be472453526fc1a0bfbf80280">systemVitals</a>-><a class="code" href="structvitalsStruct.html#a53cac06836c76cd2aa0724d90b3672da">freePages</a> = freePages;</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  }</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  </div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <a class="code" href="armv6_2spinlock_8c.html#ae29ab191c93f9ead066cb462dd2e7247">spinUnlock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">/* Return */</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> (0);</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> }</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="comment">/************************************************************************</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <span class="comment"></span> </div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="comment"> Function: void vmm_freeProcessPages(pid_t pid);</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="comment"></span> </div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"> Description: This Function Will Free Up Memory For The Exiting Process</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"></span> </div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> Notes:</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"><a class="line" href="vmm__memory_8c.html#a6a46a3d519d9f38f00d8b00d2ce60e04"> 342</a></span> <span class="comment"></span> </div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> <span class="comment"> 08/04/02 - Added Checking For COW Pages First</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="comment"></span> </div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="comment"> ************************************************************************/</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  </div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment">/* TODO: This can be greatly improved for performance but it gets the job done */</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="keywordtype">void</span> <a class="code" href="vmm__memory_8c.html#a6a46a3d519d9f38f00d8b00d2ce60e04">vmm_freeProcessPages</a>(<a class="code" href="include_2sys_2types_8h.html#ae438ba74394b14d7b24b6df3b3b8c252">pidType</a> pid) {</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="keywordtype">int</span> i = 0, x = 0;</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *tmpPageTable = 0x0;</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *tmpPageDir = (<a class="code" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> *) <a class="code" href="paging_8h.html#a1b0f37794d3da1a86f1df77e503ed98f">PD_BASE_ADDR</a>;</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  </div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <a class="code" href="armv6_2spinlock_8c.html#a71f03d2ba55111c715b6068254847a53">spinLock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  </div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="comment">/* Check Page Directory For An Avail Page Table */</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">//NOTE: This cleans all memory space up to kernel space</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="preprocessor">#ifdef _IGNORE</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">for</span> (i = 0; i < (<a class="code" href="paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a> - (<a class="code" href="paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a> / 4)); i++) {</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  </div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">if</span> (tmpPageDir[i] != 0) {</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  </div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">/* Set Up Page Table Pointer */</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  tmpPageTable = (<a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) (<a class="code" href="paging_8h.html#a8d42a9a09d9dea53cab3044f51482acc">PT_BASE_ADDR</a> + (i * <a class="code" href="paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>));</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  </div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="comment">/* Check The Page Table For COW Pages */</span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">for</span> (x = 0; x < <a class="code" href="paging_8h.html#a91bd4c1c49996222f571b2f53ca00dc4">PD_ENTRIES</a>; x++) {</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="comment">/* If The Page Is COW Adjust COW Counter */</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">if</span> (((<a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) tmpPageTable[x] & <a class="code" href="paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>) == <a class="code" href="paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>) {</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <a class="code" href="vmm__memory_8c.html#a362d462b3a1e19b5e0ef95e1839dbf11">adjustCowCounter</a>(((<a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) tmpPageTable[x] & 0xFFFFF000), -1);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  }</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  }</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  }</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  </div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="comment">/* Loop Through Pages To Find Pages Owned By Process */</span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a>; i++) {</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="keywordflow">if</span> (<a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].pid == pid) {</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="comment">/* Check To See If The cowCounter Is Zero If So We Can Ree It */</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">if</span> (<a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].cowCounter == 0) {</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#a94139af73246d6ef3bae0f34d4182acd">status</a> = <a class="code" href="vmm_8h.html#ab75ffaa83e1dc903d97c411c84dfec0f">memAvail</a>;</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#a2fb919d9c0a2653979ed667d59a395cb">cowCounter</a> = 0x0;</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <a class="code" href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a>[i].<a class="code" href="structmMap.html#ad72d5f52b2195f98e60aa61ed52ae9b1">pid</a> = <a class="code" href="vmm_8h.html#ae6c443b60824c02f199f51cf4a14e9f4">vmmID</a>;</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  freePages++;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <a class="code" href="vitals_8h.html#a67aae71be472453526fc1a0bfbf80280">systemVitals</a>-><a class="code" href="structvitalsStruct.html#a53cac06836c76cd2aa0724d90b3672da">freePages</a> = freePages;</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  }</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <a class="code" href="armv6_2spinlock_8c.html#ae29ab191c93f9ead066cb462dd2e7247">spinUnlock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <a class="code" href="vmm__memory_8c.html#a362d462b3a1e19b5e0ef95e1839dbf11">adjustCowCounter</a>((i * <a class="code" href="paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>), -1);</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <a class="code" href="armv6_2spinlock_8c.html#a71f03d2ba55111c715b6068254847a53">spinLock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  }</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  }</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  </div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="comment">/* Return */</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <a class="code" href="armv6_2spinlock_8c.html#ae29ab191c93f9ead066cb462dd2e7247">spinUnlock</a>(&vmmSpinLock);</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> }</div>
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</div><!-- doc-content -->
<div class="ttc" id="aspinlock_8h_html"><div class="ttname"><a href="spinlock_8h.html">spinlock.h</a></div></div>
<div class="ttc" id="astructmMap_html_ad72d5f52b2195f98e60aa61ed52ae9b1"><div class="ttname"><a href="structmMap.html#ad72d5f52b2195f98e60aa61ed52ae9b1">mMap::pid</a></div><div class="ttdeci">pid_t pid</div><div class="ttdef"><b>Definition:</b> <a href="vmm_8h_source.html#l00106">vmm.h:106</a></div></div>
<div class="ttc" id="aobjgfx30_8h_html_ada085051a6d9a8e00a2cb256d1af14ba"><div class="ttname"><a href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a></div><div class="ttdeci">unsigned long int uInt32</div><div class="ttdef"><b>Definition:</b> <a href="objgfx30_8h_source.html#l00049">objgfx30.h:49</a></div></div>
<div class="ttc" id="astructmem_html"><div class="ttname"><a href="structmem.html">mem</a></div><div class="ttdef"><b>Definition:</b> <a href="mem_8c_source.html#l00264">mem.c:264</a></div></div>
<div class="ttc" id="apaging_8h_html_a57d743cb60fe478f6720c42315e7e813"><div class="ttname"><a href="paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a></div><div class="ttdeci">#define PAGE_COW</div><div class="ttdef"><b>Definition:</b> <a href="paging_8h_source.html#l00064">paging.h:64</a></div></div>
<div class="ttc" id="aio_8h_html_a8acc1a06073db2e7b92ffbd00fbd0cf1"><div class="ttname"><a href="io_8h.html#a8acc1a06073db2e7b92ffbd00fbd0cf1">outportByte</a></div><div class="ttdeci">void outportByte(unsigned int, unsigned char)</div><div class="ttdoc">outputut one byte to specified port</div><div class="ttdef"><b>Definition:</b> <a href="io_8c_source.html#l00072">io.c:72</a></div></div>
<div class="ttc" id="avmm_8h_html_a41dc1abc6436bd66a4269de8ab471181"><div class="ttname"><a href="vmm_8h.html#a41dc1abc6436bd66a4269de8ab471181">memNotavail</a></div><div class="ttdeci">#define memNotavail</div><div class="ttdef"><b>Definition:</b> <a href="vmm_8h_source.html#l00042">vmm.h:42</a></div></div>
<div class="ttc" id="aassert_8h_html_ad6d5aaa966ca7424f7cb9bd01f2c838b"><div class="ttname"><a href="assert_8h.html#ad6d5aaa966ca7424f7cb9bd01f2c838b">assert</a></div><div class="ttdeci">#define assert(e)</div><div class="ttdef"><b>Definition:</b> <a href="assert_8h_source.html#l00064">assert.h:64</a></div></div>
<div class="ttc" id="aassert_8h_html"><div class="ttname"><a href="assert_8h.html">assert.h</a></div></div>
<div class="ttc" id="astructmMap_html_a2fb919d9c0a2653979ed667d59a395cb"><div class="ttname"><a href="structmMap.html#a2fb919d9c0a2653979ed667d59a395cb">mMap::cowCounter</a></div><div class="ttdeci">int cowCounter</div><div class="ttdef"><b>Definition:</b> <a href="vmm_8h_source.html#l00107">vmm.h:107</a></div></div>
<div class="ttc" id="aarmv6_2spinlock_8c_html_ae29ab191c93f9ead066cb462dd2e7247"><div class="ttname"><a href="armv6_2spinlock_8c.html#ae29ab191c93f9ead066cb462dd2e7247">spinUnlock</a></div><div class="ttdeci">void spinUnlock(spinLock_t *lock)</div><div class="ttdef"><b>Definition:</b> <a href="armv6_2spinlock_8c_source.html#l00036">spinlock.c:36</a></div></div>
<div class="ttc" id="avmm_8h_html"><div class="ttname"><a href="vmm_8h.html">vmm.h</a></div></div>
<div class="ttc" id="astructmMap_html_a4d15e398d755e47c972d2b87e71c40ce"><div class="ttname"><a href="structmMap.html#a4d15e398d755e47c972d2b87e71c40ce">mMap::pageAddr</a></div><div class="ttdeci">uint32_t pageAddr</div><div class="ttdef"><b>Definition:</b> <a href="vmm_8h_source.html#l00103">vmm.h:103</a></div></div>
<div class="ttc" id="aspinlock_8h_html_a0fe85a4f3642683148b25916d6c5eafd"><div class="ttname"><a href="spinlock_8h.html#a0fe85a4f3642683148b25916d6c5eafd">SPIN_LOCK_INITIALIZER</a></div><div class="ttdeci">#define SPIN_LOCK_INITIALIZER</div><div class="ttdef"><b>Definition:</b> <a href="spinlock_8h_source.html#l00036">spinlock.h:36</a></div></div>
<div class="ttc" id="aarmv6_2kpanic_8c_html_adb9a182aa071791a306163d50d653deb"><div class="ttname"><a href="armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a></div><div class="ttdeci">void kpanic(const char *fmt,...)</div><div class="ttdoc">print panic message and halt system</div><div class="ttdef"><b>Definition:</b> <a href="armv6_2kpanic_8c_source.html#l00041">kpanic.c:41</a></div></div>
<div class="ttc" id="astructmMap_html"><div class="ttname"><a href="structmMap.html">mMap</a></div><div class="ttdef"><b>Definition:</b> <a href="vmm_8h_source.html#l00102">vmm.h:102</a></div></div>
<div class="ttc" id="avmm__memory_8c_html_a362d462b3a1e19b5e0ef95e1839dbf11"><div class="ttname"><a href="vmm__memory_8c.html#a362d462b3a1e19b5e0ef95e1839dbf11">adjustCowCounter</a></div><div class="ttdeci">int adjustCowCounter(uInt32 baseAddr, int adjustment)</div><div class="ttdef"><b>Definition:</b> <a href="vmm__memory_8c_source.html#l00303">vmm_memory.c:303</a></div></div>
<div class="ttc" id="aarmv6_2spinlock_8c_html_a71f03d2ba55111c715b6068254847a53"><div class="ttname"><a href="armv6_2spinlock_8c.html#a71f03d2ba55111c715b6068254847a53">spinLock</a></div><div class="ttdeci">void spinLock(spinLock_t *lock)</div><div class="ttdef"><b>Definition:</b> <a href="armv6_2spinlock_8c_source.html#l00055">spinlock.c:55</a></div></div>
<div class="ttc" id="avmm__memory_8c_html_a2b0091bdc36e32af3daf9cfcaa7c04e1"><div class="ttname"><a href="vmm__memory_8c.html#a2b0091bdc36e32af3daf9cfcaa7c04e1">numPages</a></div><div class="ttdeci">int numPages</div><div class="ttdef"><b>Definition:</b> <a href="vmm__memory_8c_source.html#l00045">vmm_memory.c:45</a></div></div>
<div class="ttc" id="aio_8h_html_a77b934268de1b3ecdcf3f275413b3108"><div class="ttname"><a href="io_8h.html#a77b934268de1b3ecdcf3f275413b3108">inportByte</a></div><div class="ttdeci">unsigned char inportByte(unsigned int)</div><div class="ttdoc">input one byte from specified port</div><div class="ttdef"><b>Definition:</b> <a href="io_8c_source.html#l00038">io.c:38</a></div></div>
<div class="ttc" id="avmm__memory_8c_html_a1a89fbc2f80ca828332c5ef31801faa3"><div class="ttname"><a href="vmm__memory_8c.html#a1a89fbc2f80ca828332c5ef31801faa3">countMemory</a></div><div class="ttdeci">int countMemory()</div><div class="ttdef"><b>Definition:</b> <a href="vmm__memory_8c_source.html#l00109">vmm_memory.c:109</a></div></div>
<div class="ttc" id="akpanic_8h_html"><div class="ttname"><a href="kpanic_8h.html">kpanic.h</a></div></div>
<div class="ttc" id="avmm__memory_8c_html_a38c3fe6ce5f3bf8af4a0631d4c41b0ba"><div class="ttname"><a href="vmm__memory_8c.html#a38c3fe6ce5f3bf8af4a0631d4c41b0ba">freePage</a></div><div class="ttdeci">int freePage(uint32_t pageAddr)</div><div class="ttdef"><b>Definition:</b> <a href="vmm__memory_8c_source.html#l00262">vmm_memory.c:262</a></div></div>
<div class="ttc" id="avitals_8h_html_a67aae71be472453526fc1a0bfbf80280"><div class="ttname"><a href="vitals_8h.html#a67aae71be472453526fc1a0bfbf80280">systemVitals</a></div><div class="ttdeci">vitalsNode * systemVitals</div><div class="ttdef"><b>Definition:</b> <a href="vitals_8c_source.html#l00035">vitals.c:35</a></div></div>
<div class="ttc" id="ai386_2cpu_8h_html"><div class="ttname"><a href="i386_2cpu_8h.html">cpu.h</a></div></div>
<div class="ttc" id="akprintf_8h_html"><div class="ttname"><a href="kprintf_8h.html">kprintf.h</a></div></div>
<div class="ttc" id="avmm__memory_8c_html_ab8e4e189a7b1df2a03072ce5b75c89fe"><div class="ttname"><a href="vmm__memory_8c.html#ab8e4e189a7b1df2a03072ce5b75c89fe">vmm_findFreePage</a></div><div class="ttdeci">uint32_t vmm_findFreePage(pidType pid)</div><div class="ttdef"><b>Definition:</b> <a href="vmm__memory_8c_source.html#l00221">vmm_memory.c:221</a></div></div>
<div class="ttc" id="astructmMap_html_a94139af73246d6ef3bae0f34d4182acd"><div class="ttname"><a href="structmMap.html#a94139af73246d6ef3bae0f34d4182acd">mMap::status</a></div><div class="ttdeci">u_int16_t status</div><div class="ttdef"><b>Definition:</b> <a href="vmm_8h_source.html#l00104">vmm.h:104</a></div></div>
<div class="ttc" id="avitals_8h_html"><div class="ttname"><a href="vitals_8h.html">vitals.h</a></div></div>
<div class="ttc" id="avmm__memory_8c_html_a89e87741958ee81f1811075b25af058a"><div class="ttname"><a href="vmm__memory_8c.html#a89e87741958ee81f1811075b25af058a">vmmMemoryMap</a></div><div class="ttdeci">mMap * vmmMemoryMap</div><div class="ttdef"><b>Definition:</b> <a href="vmm__memory_8c_source.html#l00047">vmm_memory.c:47</a></div></div>
<div class="ttc" id="apaging_8h_html_a1b0f37794d3da1a86f1df77e503ed98f"><div class="ttname"><a href="paging_8h.html#a1b0f37794d3da1a86f1df77e503ed98f">PD_BASE_ADDR</a></div><div class="ttdeci">#define PD_BASE_ADDR</div><div class="ttdef"><b>Definition:</b> <a href="paging_8h_source.html#l00045">paging.h:45</a></div></div>
<div class="ttc" id="ainclude_2sys_2types_8h_html_a0238af00180b6d9278fa1c6aa790fdf4"><div class="ttname"><a href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a></div><div class="ttdeci">__uint32_t uint32_t</div><div class="ttdef"><b>Definition:</b> <a href="include_2sys_2types_8h_source.html#l00046">types.h:46</a></div></div>
<div class="ttc" id="avmm_8h_html_a1e10465731ac6cbfc253ce7d89ae34c8"><div class="ttname"><a href="vmm_8h.html#a1e10465731ac6cbfc253ce7d89ae34c8">VMM_MMAP_ADDR_RMODE</a></div><div class="ttdeci">#define VMM_MMAP_ADDR_RMODE</div><div class="ttdef"><b>Definition:</b> <a href="vmm_8h_source.html#l00051">vmm.h:51</a></div></div>
<div class="ttc" id="ainclude_2sys_2types_8h_html_ae438ba74394b14d7b24b6df3b3b8c252"><div class="ttname"><a href="include_2sys_2types_8h.html#ae438ba74394b14d7b24b6df3b3b8c252">pidType</a></div><div class="ttdeci">int pidType</div><div class="ttdef"><b>Definition:</b> <a href="include_2sys_2types_8h_source.html#l00075">types.h:75</a></div></div>
<div class="ttc" id="avmm__memory_8c_html_a6a46a3d519d9f38f00d8b00d2ce60e04"><div class="ttname"><a href="vmm__memory_8c.html#a6a46a3d519d9f38f00d8b00d2ce60e04">vmm_freeProcessPages</a></div><div class="ttdeci">void vmm_freeProcessPages(pidType pid)</div><div class="ttdef"><b>Definition:</b> <a href="vmm__memory_8c_source.html#l00342">vmm_memory.c:342</a></div></div>
<div class="ttc" id="astructvitalsStruct_html_a53cac06836c76cd2aa0724d90b3672da"><div class="ttname"><a href="structvitalsStruct.html#a53cac06836c76cd2aa0724d90b3672da">vitalsStruct::freePages</a></div><div class="ttdeci">uint32_t freePages</div><div class="ttdef"><b>Definition:</b> <a href="vitals_8h_source.html#l00043">vitals.h:43</a></div></div>
<div class="ttc" id="astructspinLock_html"><div class="ttname"><a href="structspinLock.html">spinLock</a></div><div class="ttdef"><b>Definition:</b> <a href="spinlock_8h_source.html#l00041">spinlock.h:41</a></div></div>
<div class="ttc" id="aio_8h_html"><div class="ttname"><a href="io_8h.html">io.h</a></div></div>
<div class="ttc" id="avmm_8h_html_ae6c443b60824c02f199f51cf4a14e9f4"><div class="ttname"><a href="vmm_8h.html#ae6c443b60824c02f199f51cf4a14e9f4">vmmID</a></div><div class="ttdeci">#define vmmID</div><div class="ttdef"><b>Definition:</b> <a href="vmm_8h_source.html#l00043">vmm.h:43</a></div></div>
<div class="ttc" id="apaging_8h_html_a91bd4c1c49996222f571b2f53ca00dc4"><div class="ttname"><a href="paging_8h.html#a91bd4c1c49996222f571b2f53ca00dc4">PD_ENTRIES</a></div><div class="ttdeci">#define PD_ENTRIES</div><div class="ttdef"><b>Definition:</b> <a href="paging_8h_source.html#l00048">paging.h:48</a></div></div>
<div class="ttc" id="apaging_8h_html_a7d467c1d283fdfa1f2081ba1e0d01b6e"><div class="ttname"><a href="paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a></div><div class="ttdeci">#define PAGE_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="paging_8h_source.html#l00037">paging.h:37</a></div></div>
<div class="ttc" id="avmm_8h_html_ab75ffaa83e1dc903d97c411c84dfec0f"><div class="ttname"><a href="vmm_8h.html#ab75ffaa83e1dc903d97c411c84dfec0f">memAvail</a></div><div class="ttdeci">#define memAvail</div><div class="ttdef"><b>Definition:</b> <a href="vmm_8h_source.html#l00041">vmm.h:41</a></div></div>
<div class="ttc" id="avmm__memory_8c_html_a4fc8ad0b76f4382b01c4a0e53529750c"><div class="ttname"><a href="vmm__memory_8c.html#a4fc8ad0b76f4382b01c4a0e53529750c">vmm_memMapInit</a></div><div class="ttdeci">int vmm_memMapInit()</div><div class="ttdef"><b>Definition:</b> <a href="vmm__memory_8c_source.html#l00057">vmm_memory.c:57</a></div></div>
<div class="ttc" id="akprintf_8h_html_a20b56810edb62a6fe59917015c30848f"><div class="ttname"><a href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a></div><div class="ttdeci">int kprintf(const char *,...)</div><div class="ttdef"><b>Definition:</b> <a href="kprintf_8c_source.html#l00259">kprintf.c:259</a></div></div>
<div class="ttc" id="apaging_8h_html_a8d42a9a09d9dea53cab3044f51482acc"><div class="ttname"><a href="paging_8h.html#a8d42a9a09d9dea53cab3044f51482acc">PT_BASE_ADDR</a></div><div class="ttdeci">#define PT_BASE_ADDR</div><div class="ttdef"><b>Definition:</b> <a href="paging_8h_source.html#l00046">paging.h:46</a></div></div>
<div class="ttc" id="akmalloc_8h_html"><div class="ttname"><a href="kmalloc_8h.html">kmalloc.h</a></div></div>
<div class="ttc" id="akmalloc_8h_html_a81d09bc848b49133401b3efeeb65f1af"><div class="ttname"><a href="kmalloc_8h.html#a81d09bc848b49133401b3efeeb65f1af">sysID</a></div><div class="ttdeci">#define sysID</div><div class="ttdef"><b>Definition:</b> <a href="kmalloc_8h_source.html#l00038">kmalloc.h:38</a></div></div>
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