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<div class="title">copyvirtualspace.c</div> </div>
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<a href="../../d6/de9/copyvirtualspace_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="../../d1/d21/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="../../d4/df4/paging_8h.html">vmm/paging.h</a>></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <<a class="code" href="../../d7/d40/kern__sysctl_8h.html">sys/kern_sysctl.h</a>></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="../../df/d63/spinlock_8h.html">ubixos/spinlock.h</a>></span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <<a class="code" href="../../d3/d24/kpanic_8h.html">ubixos/kpanic.h</a>></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <<a class="code" href="../../da/d66/string_8h.html">string.h</a>></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="../../d1/daf/structspinLock.html">spinLock</a> cvsSpinLock = <a class="code" href="../../df/d63/spinlock_8h.html#a0fe85a4f3642683148b25916d6c5eafd">SPIN_LOCK_INITIALIZER</a>;</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">/************************************************************************</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"></span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> Function: void *vmm_copyVirtualSpace(pidType pid);</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"></span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> Description: Creates A Copy Of A Virtual Space And Set All NON Kernel</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> Space To COW For A Fork This Will Also Alter The Parents</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> VM Space To Make That COW As Well</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"></span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> Notes:</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"></span> </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> 08/02/02 - Added Passing Of pidType pid So We Can Better Keep Track Of</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> Which Task Has Which Physical Pages</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"><a class="line" href="../../d6/de9/copyvirtualspace_8c.html#a1b3ea1ab52e7a30c2d92c6a8124c24b9"> 51</a></span> <span class="comment"> ************************************************************************/</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keywordtype">void</span> *<a class="code" href="../../d6/de9/copyvirtualspace_8c.html#a1b3ea1ab52e7a30c2d92c6a8124c24b9">vmm_copyVirtualSpace</a>(<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#ae438ba74394b14d7b24b6df3b3b8c252">pidType</a> pid) {</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">void</span> *newPageDirectoryAddress = 0x0;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *parentPageDirectory = 0x0, *newPageDirectory = 0x0;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *parentPageTable = 0x0, *newPageTable = 0x0;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *parentStackPage = 0x0, *newStackPage = 0x0;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a281b4b5562236420969a830503b0ba19">uint16_t</a> x = 0, i = 0, s = 0;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="../../dc/d88/armv6_2spinlock_8c.html#a71f03d2ba55111c715b6068254847a53">spinLock</a>(&cvsSpinLock);</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">/* Set Address Of Parent Page Directory */</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  parentPageDirectory = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) <a class="code" href="../../d4/df4/paging_8h.html#a1b0f37794d3da1a86f1df77e503ed98f">PD_BASE_ADDR</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">/* Allocate A New Page For The New Page Directory */</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">if</span> ((newPageDirectory = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) <a class="code" href="../../d4/df4/paging_8h.html#a3615feeeee9f4038cd1070372ccba22e">vmm_getFreeKernelPage</a>(pid, 1)) == 0x0)</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="../../dc/d94/armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"Error: newPageDirectory == NULL, File: %s, Line: %i\n"</span>, __FILE__, __LINE__);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">/* Set newPageDirectoryAddress To The Newly Created Page Directories Page */</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  newPageDirectoryAddress = (<span class="keywordtype">void</span> *) <a class="code" href="../../d4/df4/paging_8h.html#a5522eccf81d4630537620209651be16e">vmm_getPhysicalAddr</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageDirectory);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">/* First Set Up A Flushed Page Directory */</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="../../d5/d82/gpt_8h.html#a310ac455ac45de9713bd7dcb0b5500ad">bzero</a>(newPageDirectory, <a class="code" href="../../d4/df4/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>  <span class="comment">/* Map Kernel Code Region Entries 0 & 1 */</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  newPageDirectory[0] = parentPageDirectory[0];</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">//XXX: We Dont Need This - newPageDirectory[1] = parentPageDirectory[1];</span></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>  <span class="keywordflow">if</span> ((newPageTable = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) <a class="code" href="../../d4/df4/paging_8h.html#a3615feeeee9f4038cd1070372ccba22e">vmm_getFreeKernelPage</a>(pid, 1)) == 0x0)</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="../../dc/d94/armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"Error: newPageTable == NULL, File: %s, Line: %i\n"</span>, __FILE__, __LINE__);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  parentPageTable = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) (<a class="code" href="../../d4/df4/paging_8h.html#a8d42a9a09d9dea53cab3044f51482acc">PT_BASE_ADDR</a> + (<a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a> * 1));</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>  <span class="keywordflow">for</span> (x = 0; x < <a class="code" href="../../d4/df4/paging_8h.html#adc9776583e54abf06ae7b99f1f3036a6">PT_ENTRIES</a>; x++) {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (((parentPageTable[x]) & <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) == <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">/* Set Page To COW In Parent And Child Space */</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  newPageTable[x] = (((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) parentPageTable[x] & 0xFFFFF000) | (<a class="code" href="../../d4/df4/paging_8h.html#a8b838cda4f0bc79ab8d07eb19dd35420">KERNEL_PAGE_DEFAULT</a> | <a class="code" href="../../d4/df4/paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>));</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>  <span class="comment">/* Increment The COW Counter For This Page */</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) parentPageTable[x] & <a class="code" href="../../d4/df4/paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>) == <a class="code" href="../../d4/df4/paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>) {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="../../d1/d21/vmm_8h.html#aafef303dc8f2c6ed7bcf171819579166">adjustCowCounter</a>(((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) parentPageTable[x] & 0xFFFFF000), 1);</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="keywordflow">else</span> {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">/* Add Two If This Is The First Time Setting To COW */</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="../../d1/d21/vmm_8h.html#aafef303dc8f2c6ed7bcf171819579166">adjustCowCounter</a>(((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) parentPageTable[x] & 0xFFFFF000), 2);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  parentPageTable[x] |= <a class="code" href="../../d4/df4/paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>; <span class="comment">// newPageTable[i];</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </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>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  newPageTable[x] = parentPageTable[x];</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  newPageDirectory[1] = (<a class="code" href="../../d4/df4/paging_8h.html#a5522eccf81d4630537620209651be16e">vmm_getPhysicalAddr</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable) | <a class="code" href="../../d4/df4/paging_8h.html#a8b838cda4f0bc79ab8d07eb19dd35420">KERNEL_PAGE_DEFAULT</a>);</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="../../d1/d21/vmm_8h.html#a457446966aafafd939af6603f68516b1">vmm_unmapPage</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable, 1);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  newPageTable = 0x0;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">/* Map The Kernel Memory Region Entry 770 Address 0xC0800000 */</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">for</span> (x = <a class="code" href="../../d4/df4/paging_8h.html#ac96f9536624cb5d2e7634f37fa919c4c">PD_INDEX</a>(<a class="code" href="../../d1/d21/vmm_8h.html#ad6394b4f60e68fe4e1431fc4e1998957">VMM_KERN_START</a>); x <= <a class="code" href="../../d4/df4/paging_8h.html#ac96f9536624cb5d2e7634f37fa919c4c">PD_INDEX</a>(<a class="code" href="../../d1/d21/vmm_8h.html#a8204faafc0c27e418f993e07c2f59f14">VMM_KERN_END</a>); x++)</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  newPageDirectory[x] = parentPageDirectory[x];</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">/* Map The Kernel Stack Region */</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">for</span> (x = <a class="code" href="../../d4/df4/paging_8h.html#ac96f9536624cb5d2e7634f37fa919c4c">PD_INDEX</a>(<a class="code" href="../../d1/d21/vmm_8h.html#afa8fb16552b49cc7929a140f5095b2c0">VMM_KERN_STACK_START</a>); x <= <a class="code" href="../../d4/df4/paging_8h.html#ac96f9536624cb5d2e7634f37fa919c4c">PD_INDEX</a>(<a class="code" href="../../d1/d21/vmm_8h.html#a3e6d5c059fd2ae1f2eb12d55ddab666e">VMM_KERN_STACK_END</a>); x++) {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> ((parentPageDirectory[x] & <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) == <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">/* Set Parent To Propper Page Table */</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  parentPageTable = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) (<a class="code" href="../../d4/df4/paging_8h.html#a8d42a9a09d9dea53cab3044f51482acc">PT_BASE_ADDR</a> + (<a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a> * x));</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">/* Allocate A New Page Table */</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> ((newPageTable = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) <a class="code" href="../../d4/df4/paging_8h.html#a3615feeeee9f4038cd1070372ccba22e">vmm_getFreeKernelPage</a>(pid, 1)) == 0x0)</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="../../dc/d94/armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"Error: newPageTable == NULL, File: %s, Line: %i\n"</span>, __FILE__, __LINE__);</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>  <a class="code" href="../../d5/d82/gpt_8h.html#a310ac455ac45de9713bd7dcb0b5500ad">bzero</a>(newPageTable, <a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d4/df4/paging_8h.html#adc9776583e54abf06ae7b99f1f3036a6">PT_ENTRIES</a>; i++) {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> ((parentPageTable[i] & <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) == <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="comment">/* Alloc A New Page For This Stack Page */</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> ((newStackPage = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) <a class="code" href="../../d4/df4/paging_8h.html#a3615feeeee9f4038cd1070372ccba22e">vmm_getFreeKernelPage</a>(pid, 1)) == 0x0)</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="../../dc/d94/armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"Error: newStackPage == NULL, File: %s, Line: %i\n"</span>, __FILE__, __LINE__);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">/* Set Pointer To Parents Stack Page */</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  parentStackPage = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) (((<a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a> * <a class="code" href="../../d4/df4/paging_8h.html#a91bd4c1c49996222f571b2f53ca00dc4">PD_ENTRIES</a>) * x) + (<a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a> * i));</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">/* Copy The Stack Byte For Byte (I Should Find A Faster Way) */</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="../../da/d66/string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy</a>(newStackPage, parentStackPage, <a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">/* Insert New Stack Into Page Table */</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  newPageTable[i] = (<a class="code" href="../../d4/df4/paging_8h.html#a5522eccf81d4630537620209651be16e">vmm_getPhysicalAddr</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newStackPage) | <a class="code" href="../../d4/df4/paging_8h.html#af0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a> | <a class="code" href="../../d4/df4/paging_8h.html#a1532db17068ba8d409b8ffe066414af2">PAGE_STACK</a>);</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>  <span class="comment">/* Unmap From Kernel Space */</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="../../d1/d21/vmm_8h.html#a457446966aafafd939af6603f68516b1">vmm_unmapPage</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newStackPage, 1);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">/* Put New Page Table Into New Page Directory */</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  newPageDirectory[x] = (<a class="code" href="../../d4/df4/paging_8h.html#a5522eccf81d4630537620209651be16e">vmm_getPhysicalAddr</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable) | <a class="code" href="../../d4/df4/paging_8h.html#af0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a>);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">/* Unmap Page From Kernel Space But Keep It Marked As Not Avail */</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="../../d1/d21/vmm_8h.html#a457446966aafafd939af6603f68516b1">vmm_unmapPage</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable, 1);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</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="comment">/*</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="comment"> * Now For The Fun Stuff For Page Tables 2-767 We Must Map These And Set</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"> * The Permissions On Every Mapped Pages To COW This Will Conserve Memory</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> * Because The Two VM Spaces Will Be Sharing Pages Unless an EXECVE Happens</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> * We start at the 4MB boundary as the first 4MB is special</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> */</span></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>  <span class="keywordflow">for</span> (x = <a class="code" href="../../d4/df4/paging_8h.html#ac96f9536624cb5d2e7634f37fa919c4c">PD_INDEX</a>(<a class="code" href="../../d1/d21/vmm_8h.html#ad43d15bd90c1980dae3db013c1a5abb0">VMM_USER_START</a>); x <= <a class="code" href="../../d4/df4/paging_8h.html#ac96f9536624cb5d2e7634f37fa919c4c">PD_INDEX</a>(<a class="code" href="../../d1/d21/vmm_8h.html#a71bd5e4901787995ae8f9cc3e1a888f9">VMM_USER_END</a>); x++) {</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>  <span class="comment">/* If Page Table Exists Map It */</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> ((parentPageDirectory[x] & <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) == <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) {</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="comment">/* Set Parent To Propper Page Table */</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  parentPageTable = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) (<a class="code" href="../../d4/df4/paging_8h.html#a8d42a9a09d9dea53cab3044f51482acc">PT_BASE_ADDR</a> + (<a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a> * x));</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="comment">/* Allocate A New Page Table */</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">if</span> ((newPageTable = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) <a class="code" href="../../d4/df4/paging_8h.html#a3615feeeee9f4038cd1070372ccba22e">vmm_getFreeKernelPage</a>(pid, 1)) == 0x0)</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <a class="code" href="../../dc/d94/armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"Error: newPageTable == NULL, File: %s, Line: %i\n"</span>, __FILE__, __LINE__);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="../../d5/d82/gpt_8h.html#a310ac455ac45de9713bd7dcb0b5500ad">bzero</a>(newPageTable, <a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="comment">/* Set Parent And New Pages To COW */</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d4/df4/paging_8h.html#a91bd4c1c49996222f571b2f53ca00dc4">PD_ENTRIES</a>; i++) {</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>  <span class="comment">/* If Page Is Mapped */</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> ((parentPageTable[i] & <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) == <a class="code" href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a>) {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  </div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">/* Check To See If Its A Stack Page */</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">if</span> (((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) parentPageTable[i] & <a class="code" href="../../d4/df4/paging_8h.html#a1532db17068ba8d409b8ffe066414af2">PAGE_STACK</a>) == <a class="code" href="../../d4/df4/paging_8h.html#a1532db17068ba8d409b8ffe066414af2">PAGE_STACK</a>) {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">/* Alloc A New Page For This Stack Page */</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">if</span> ((newStackPage = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) <a class="code" href="../../d4/df4/paging_8h.html#a3615feeeee9f4038cd1070372ccba22e">vmm_getFreeKernelPage</a>(pid, 1)) == 0x0)</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="../../dc/d94/armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">"Error: newStackPage == NULL, File: %s, Line: %i\n"</span>, __FILE__, __LINE__);</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="comment">/* Set Pointer To Parents Stack Page */</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  parentStackPage = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) (((<a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a> * <a class="code" href="../../d4/df4/paging_8h.html#a91bd4c1c49996222f571b2f53ca00dc4">PD_ENTRIES</a>) * x) + (<a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a> * i));</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">/* Copy The Stack Byte For Byte (I Should Find A Faster Way) */</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="../../da/d66/string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy</a>(newStackPage, parentStackPage, <a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="comment">/* Insert New Stack Into Page Table */</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  newPageTable[i] = (<a class="code" href="../../d4/df4/paging_8h.html#a5522eccf81d4630537620209651be16e">vmm_getPhysicalAddr</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newStackPage) | <a class="code" href="../../d4/df4/paging_8h.html#af0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a> | <a class="code" href="../../d4/df4/paging_8h.html#a1532db17068ba8d409b8ffe066414af2">PAGE_STACK</a>);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">/* Unmap From Kernel Space */</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="code" href="../../d1/d21/vmm_8h.html#a457446966aafafd939af6603f68516b1">vmm_unmapPage</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newStackPage, 1);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</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="keywordflow">else</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">/* Set Page To COW In Parent And Child Space */</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  newPageTable[i] = (((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) parentPageTable[i] & 0xFFFFF000) | (<a class="code" href="../../d4/df4/paging_8h.html#af0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a> | <a class="code" href="../../d4/df4/paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>));</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">/* Increment The COW Counter For This Page */</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span> (((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) parentPageTable[i] & <a class="code" href="../../d4/df4/paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>) == <a class="code" href="../../d4/df4/paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>) {</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <a class="code" href="../../d1/d21/vmm_8h.html#aafef303dc8f2c6ed7bcf171819579166">adjustCowCounter</a>(((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) parentPageTable[i] & 0xFFFFF000), 1);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">/* Add Two If This Is The First Time Setting To COW */</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="../../d1/d21/vmm_8h.html#aafef303dc8f2c6ed7bcf171819579166">adjustCowCounter</a>(((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) parentPageTable[i] & 0xFFFFF000), 2);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  parentPageTable[i] |= <a class="code" href="../../d4/df4/paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a>; <span class="comment">// newPageTable[i];</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  }</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  newPageTable[i] = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) 0x0;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  }</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">/* Put New Page Table Into New Page Directory */</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  newPageDirectory[x] = (<a class="code" href="../../d4/df4/paging_8h.html#a5522eccf81d4630537620209651be16e">vmm_getPhysicalAddr</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable) | <a class="code" href="../../d4/df4/paging_8h.html#af0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a>);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="comment">/* Unmap Page From Kernel Space But Keep It Marked As Not Avail */</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="../../d1/d21/vmm_8h.html#a457446966aafafd939af6603f68516b1">vmm_unmapPage</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable, 1);</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>  }</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> * Allocate A New Page For The The First Page Table Where We Will Map The</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="comment"> * Lower Region First 4MB</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  </div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="comment">/*</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"> * Map Page Directory Into VM Space</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"> * First Page After Page Tables</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> * This must be mapped into the page directory before we map all 1024 page directories into the memory space</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  newPageTable = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) <a class="code" href="../../d4/df4/paging_8h.html#a7035c695cbbae5799ecc1f9bcab7dd48">vmm_getFreePage</a>(pid);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  </div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  newPageDirectory[<a class="code" href="../../d4/df4/paging_8h.html#ac96f9536624cb5d2e7634f37fa919c4c">PD_INDEX</a>(<a class="code" href="../../d4/df4/paging_8h.html#a1b0f37794d3da1a86f1df77e503ed98f">PD_BASE_ADDR</a>)] = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) (<a class="code" href="../../d4/df4/paging_8h.html#a5522eccf81d4630537620209651be16e">vmm_getPhysicalAddr</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable) | <a class="code" href="../../d4/df4/paging_8h.html#af0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a>);</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  newPageTable[0] = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) ((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) (newPageDirectoryAddress) | <a class="code" href="../../d4/df4/paging_8h.html#af0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a>);</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="../../d1/d21/vmm_8h.html#a457446966aafafd939af6603f68516b1">vmm_unmapPage</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable, 1);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> * Map Page Tables Into VM Space</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="comment"> * The First Page Table (4MB) Maps To All Page Directories</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> */</span></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>  newPageTable = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> *) <a class="code" href="../../d4/df4/paging_8h.html#a7035c695cbbae5799ecc1f9bcab7dd48">vmm_getFreePage</a>(pid);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  </div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  newPageDirectory[<a class="code" href="../../d4/df4/paging_8h.html#ac96f9536624cb5d2e7634f37fa919c4c">PD_INDEX</a>(<a class="code" href="../../d4/df4/paging_8h.html#a8d42a9a09d9dea53cab3044f51482acc">PT_BASE_ADDR</a>)] = (<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) (<a class="code" href="../../d4/df4/paging_8h.html#a5522eccf81d4630537620209651be16e">vmm_getPhysicalAddr</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable) | <a class="code" href="../../d4/df4/paging_8h.html#af0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a>);</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  </div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  <span class="comment">/* Flush The Page From Garbage In Memory */</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <a class="code" href="../../d5/d82/gpt_8h.html#a310ac455ac45de9713bd7dcb0b5500ad">bzero</a>(newPageTable, <a class="code" href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  </div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">for</span> (x = 0; x < <a class="code" href="../../d4/df4/paging_8h.html#a91bd4c1c49996222f571b2f53ca00dc4">PD_ENTRIES</a>; x++)</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  newPageTable[x] = newPageDirectory[x];</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="comment">/* Unmap Page From Virtual Space */</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <a class="code" href="../../d1/d21/vmm_8h.html#a457446966aafafd939af6603f68516b1">vmm_unmapPage</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageTable, 1);</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="comment">/* Now We Are Done With The Page Directory So Lets Unmap That Too */</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <a class="code" href="../../d1/d21/vmm_8h.html#a457446966aafafd939af6603f68516b1">vmm_unmapPage</a>((<a class="code" href="../../d0/d27/include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a>) newPageDirectory, 1);</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <a class="code" href="../../dc/d88/armv6_2spinlock_8c.html#ae29ab191c93f9ead066cb462dd2e7247">spinUnlock</a>(&cvsSpinLock);</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">/* Return Physical Address Of Page Directory */</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> (newPageDirectoryAddress);</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> }</div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="akern__sysctl_8h_html"><div class="ttname"><a href="../../d7/d40/kern__sysctl_8h.html">kern_sysctl.h</a></div></div>
<div class="ttc" id="aspinlock_8h_html"><div class="ttname"><a href="../../df/d63/spinlock_8h.html">spinlock.h</a></div></div>
<div class="ttc" id="apaging_8h_html_a57d743cb60fe478f6720c42315e7e813"><div class="ttname"><a href="../../d4/df4/paging_8h.html#a57d743cb60fe478f6720c42315e7e813">PAGE_COW</a></div><div class="ttdeci">#define PAGE_COW</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df4/paging_8h_source.html#l00064">paging.h:64</a></div></div>
<div class="ttc" id="astring_8h_html"><div class="ttname"><a href="../../da/d66/string_8h.html">string.h</a></div></div>
<div class="ttc" id="aarmv6_2spinlock_8c_html_ae29ab191c93f9ead066cb462dd2e7247"><div class="ttname"><a href="../../dc/d88/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="../../dc/d88/armv6_2spinlock_8c_source.html#l00036">spinlock.c:36</a></div></div>
<div class="ttc" id="avmm_8h_html"><div class="ttname"><a href="../../d1/d21/vmm_8h.html">vmm.h</a></div></div>
<div class="ttc" id="apaging_8h_html_a5522eccf81d4630537620209651be16e"><div class="ttname"><a href="../../d4/df4/paging_8h.html#a5522eccf81d4630537620209651be16e">vmm_getPhysicalAddr</a></div><div class="ttdeci">uint32_t vmm_getPhysicalAddr(uint32_t)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d7e/getphysicaladdr_8c_source.html#l00038">getphysicaladdr.c:38</a></div></div>
<div class="ttc" id="avmm_8h_html_aafef303dc8f2c6ed7bcf171819579166"><div class="ttname"><a href="../../d1/d21/vmm_8h.html#aafef303dc8f2c6ed7bcf171819579166">adjustCowCounter</a></div><div class="ttdeci">int adjustCowCounter(uint32_t baseAddr, int adjustment)</div></div>
<div class="ttc" id="aspinlock_8h_html_a0fe85a4f3642683148b25916d6c5eafd"><div class="ttname"><a href="../../df/d63/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="../../df/d63/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="../../dc/d94/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="../../dc/d94/armv6_2kpanic_8c_source.html#l00041">kpanic.c:41</a></div></div>
<div class="ttc" id="agpt_8h_html_a310ac455ac45de9713bd7dcb0b5500ad"><div class="ttname"><a href="../../d5/d82/gpt_8h.html#a310ac455ac45de9713bd7dcb0b5500ad">bzero</a></div><div class="ttdeci">#define bzero(buf, size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/d82/gpt_8h_source.html#l00037">gpt.h:37</a></div></div>
<div class="ttc" id="avmm_8h_html_ad6394b4f60e68fe4e1431fc4e1998957"><div class="ttname"><a href="../../d1/d21/vmm_8h.html#ad6394b4f60e68fe4e1431fc4e1998957">VMM_KERN_START</a></div><div class="ttdeci">#define VMM_KERN_START</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d21/vmm_8h_source.html#l00064">vmm.h:64</a></div></div>
<div class="ttc" id="astring_8h_html_ae33b18edb618c656b9b795b9fce2316c"><div class="ttname"><a href="../../da/d66/string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy</a></div><div class="ttdeci">void * memcpy(const void *dst, const void *src, size_t length)</div></div>
<div class="ttc" id="avmm_8h_html_a457446966aafafd939af6603f68516b1"><div class="ttname"><a href="../../d1/d21/vmm_8h.html#a457446966aafafd939af6603f68516b1">vmm_unmapPage</a></div><div class="ttdeci">void vmm_unmapPage(uint32_t, unmapFlags_t)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db9/unmappage_8c_source.html#l00047">unmappage.c:47</a></div></div>
<div class="ttc" id="aarmv6_2spinlock_8c_html_a71f03d2ba55111c715b6068254847a53"><div class="ttname"><a href="../../dc/d88/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="../../dc/d88/armv6_2spinlock_8c_source.html#l00055">spinlock.c:55</a></div></div>
<div class="ttc" id="ainclude_2sys_2types_8h_html_a281b4b5562236420969a830503b0ba19"><div class="ttname"><a href="../../d0/d27/include_2sys_2types_8h.html#a281b4b5562236420969a830503b0ba19">uint16_t</a></div><div class="ttdeci">__uint16_t uint16_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d27/include_2sys_2types_8h_source.html#l00045">types.h:45</a></div></div>
<div class="ttc" id="akpanic_8h_html"><div class="ttname"><a href="../../d3/d24/kpanic_8h.html">kpanic.h</a></div></div>
<div class="ttc" id="apaging_8h_html_adc9776583e54abf06ae7b99f1f3036a6"><div class="ttname"><a href="../../d4/df4/paging_8h.html#adc9776583e54abf06ae7b99f1f3036a6">PT_ENTRIES</a></div><div class="ttdeci">#define PT_ENTRIES</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df4/paging_8h_source.html#l00049">paging.h:49</a></div></div>
<div class="ttc" id="apaging_8h_html_a1532db17068ba8d409b8ffe066414af2"><div class="ttname"><a href="../../d4/df4/paging_8h.html#a1532db17068ba8d409b8ffe066414af2">PAGE_STACK</a></div><div class="ttdeci">#define PAGE_STACK</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df4/paging_8h_source.html#l00065">paging.h:65</a></div></div>
<div class="ttc" id="apaging_8h_html_ac96f9536624cb5d2e7634f37fa919c4c"><div class="ttname"><a href="../../d4/df4/paging_8h.html#ac96f9536624cb5d2e7634f37fa919c4c">PD_INDEX</a></div><div class="ttdeci">#define PD_INDEX(v_addr)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df4/paging_8h_source.html#l00040">paging.h:40</a></div></div>
<div class="ttc" id="apaging_8h_html_af0fff7a38cd2c7a32d580787423b94ea"><div class="ttname"><a href="../../d4/df4/paging_8h.html#af0fff7a38cd2c7a32d580787423b94ea">PAGE_DEFAULT</a></div><div class="ttdeci">#define PAGE_DEFAULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df4/paging_8h_source.html#l00068">paging.h:68</a></div></div>
<div class="ttc" id="apaging_8h_html"><div class="ttname"><a href="../../d4/df4/paging_8h.html">paging.h</a></div></div>
<div class="ttc" id="apaging_8h_html_a1b0f37794d3da1a86f1df77e503ed98f"><div class="ttname"><a href="../../d4/df4/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="../../d4/df4/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="../../d0/d27/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="../../d0/d27/include_2sys_2types_8h_source.html#l00046">types.h:46</a></div></div>
<div class="ttc" id="ainclude_2sys_2types_8h_html_ae438ba74394b14d7b24b6df3b3b8c252"><div class="ttname"><a href="../../d0/d27/include_2sys_2types_8h.html#ae438ba74394b14d7b24b6df3b3b8c252">pidType</a></div><div class="ttdeci">int pidType</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d27/include_2sys_2types_8h_source.html#l00075">types.h:75</a></div></div>
<div class="ttc" id="avmm_8h_html_afa8fb16552b49cc7929a140f5095b2c0"><div class="ttname"><a href="../../d1/d21/vmm_8h.html#afa8fb16552b49cc7929a140f5095b2c0">VMM_KERN_STACK_START</a></div><div class="ttdeci">#define VMM_KERN_STACK_START</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d21/vmm_8h_source.html#l00067">vmm.h:67</a></div></div>
<div class="ttc" id="apaging_8h_html_a7035c695cbbae5799ecc1f9bcab7dd48"><div class="ttname"><a href="../../d4/df4/paging_8h.html#a7035c695cbbae5799ecc1f9bcab7dd48">vmm_getFreePage</a></div><div class="ttdeci">void * vmm_getFreePage(pidType)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dfc/getfreepage_8c_source.html#l00045">getfreepage.c:45</a></div></div>
<div class="ttc" id="astructspinLock_html"><div class="ttname"><a href="../../d1/daf/structspinLock.html">spinLock</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d63/spinlock_8h_source.html#l00041">spinlock.h:41</a></div></div>
<div class="ttc" id="avmm_8h_html_ad43d15bd90c1980dae3db013c1a5abb0"><div class="ttname"><a href="../../d1/d21/vmm_8h.html#ad43d15bd90c1980dae3db013c1a5abb0">VMM_USER_START</a></div><div class="ttdeci">#define VMM_USER_START</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d21/vmm_8h_source.html#l00058">vmm.h:58</a></div></div>
<div class="ttc" id="apaging_8h_html_a3615feeeee9f4038cd1070372ccba22e"><div class="ttname"><a href="../../d4/df4/paging_8h.html#a3615feeeee9f4038cd1070372ccba22e">vmm_getFreeKernelPage</a></div><div class="ttdeci">void * vmm_getFreeKernelPage(pidType pid, uint16_t count)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d38/paging_8c_source.html#l00291">paging.c:291</a></div></div>
<div class="ttc" id="apaging_8h_html_a91bd4c1c49996222f571b2f53ca00dc4"><div class="ttname"><a href="../../d4/df4/paging_8h.html#a91bd4c1c49996222f571b2f53ca00dc4">PD_ENTRIES</a></div><div class="ttdeci">#define PD_ENTRIES</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df4/paging_8h_source.html#l00048">paging.h:48</a></div></div>
<div class="ttc" id="apaging_8h_html_a7d467c1d283fdfa1f2081ba1e0d01b6e"><div class="ttname"><a href="../../d4/df4/paging_8h.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a></div><div class="ttdeci">#define PAGE_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df4/paging_8h_source.html#l00037">paging.h:37</a></div></div>
<div class="ttc" id="apaging_8h_html_a8b838cda4f0bc79ab8d07eb19dd35420"><div class="ttname"><a href="../../d4/df4/paging_8h.html#a8b838cda4f0bc79ab8d07eb19dd35420">KERNEL_PAGE_DEFAULT</a></div><div class="ttdeci">#define KERNEL_PAGE_DEFAULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df4/paging_8h_source.html#l00069">paging.h:69</a></div></div>
<div class="ttc" id="acopyvirtualspace_8c_html_a1b3ea1ab52e7a30c2d92c6a8124c24b9"><div class="ttname"><a href="../../d6/de9/copyvirtualspace_8c.html#a1b3ea1ab52e7a30c2d92c6a8124c24b9">vmm_copyVirtualSpace</a></div><div class="ttdeci">void * vmm_copyVirtualSpace(pidType pid)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/de9/copyvirtualspace_8c_source.html#l00051">copyvirtualspace.c:51</a></div></div>
<div class="ttc" id="avmm_8h_html_a3e6d5c059fd2ae1f2eb12d55ddab666e"><div class="ttname"><a href="../../d1/d21/vmm_8h.html#a3e6d5c059fd2ae1f2eb12d55ddab666e">VMM_KERN_STACK_END</a></div><div class="ttdeci">#define VMM_KERN_STACK_END</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d21/vmm_8h_source.html#l00068">vmm.h:68</a></div></div>
<div class="ttc" id="avmm_8h_html_a71bd5e4901787995ae8f9cc3e1a888f9"><div class="ttname"><a href="../../d1/d21/vmm_8h.html#a71bd5e4901787995ae8f9cc3e1a888f9">VMM_USER_END</a></div><div class="ttdeci">#define VMM_USER_END</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d21/vmm_8h_source.html#l00059">vmm.h:59</a></div></div>
<div class="ttc" id="avmm_8h_html_a8204faafc0c27e418f993e07c2f59f14"><div class="ttname"><a href="../../d1/d21/vmm_8h.html#a8204faafc0c27e418f993e07c2f59f14">VMM_KERN_END</a></div><div class="ttdeci">#define VMM_KERN_END</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d21/vmm_8h_source.html#l00065">vmm.h:65</a></div></div>
<div class="ttc" id="apaging_8h_html_a8d42a9a09d9dea53cab3044f51482acc"><div class="ttname"><a href="../../d4/df4/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="../../d4/df4/paging_8h_source.html#l00046">paging.h:46</a></div></div>
<div class="ttc" id="apaging_8h_html_a122dfc414a40e260fd35dbe9743db26f"><div class="ttname"><a href="../../d4/df4/paging_8h.html#a122dfc414a40e260fd35dbe9743db26f">PAGE_PRESENT</a></div><div class="ttdeci">#define PAGE_PRESENT</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df4/paging_8h_source.html#l00055">paging.h:55</a></div></div>
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