<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.16"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>UbixOS V2: C:/Dev/git/UbixOS/sys/include/lib/kmalloc.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(initResizable); /* @license-end */</script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">UbixOS V2  <span id="projectnumber">2.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.16 --> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ var searchBox = new SearchBox("searchBox", "search",false,'Search'); /* @license-end */ </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); /* @license-end */</script> <div id="main-nav"></div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(function(){initNavTree('kmalloc_8h_source.html','');}); /* @license-end */ </script> <div id="doc-content"> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="headertitle"> <div class="title">kmalloc.h</div> </div> </div><!--header--> <div class="contents"> <a href="kmalloc_8h.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">#ifndef _LIB_KMALLOC_H</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define _LIB_KMALLOC_H</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <<a class="code" href="include_2sys_2types_8h.html">sys/types.h</a>></span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#ifdef __cplusplus</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#endif</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"><a class="line" href="kmalloc_8h.html#a81d09bc848b49133401b3efeeb65f1af"> 38</a></span> <span class="preprocessor">#define sysID -2</span></div> <div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="kmalloc_8h.html#a507e7ea478c4d42970730698da5c1470"> 39</a></span> <span class="preprocessor">#define MALLOC_ALIGN_SIZE 32</span></div> <div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="kmalloc_8h.html#af0fa0ac2c51032ef234e92b127e59a74"> 40</a></span> <span class="preprocessor">#define MALLOC_ALIGN(size) (size + ((((size) % (MALLOC_ALIGN_SIZE)) == 0)? 0 : ((MALLOC_ALIGN_SIZE) - ((size) % (MALLOC_ALIGN_SIZE)))))</span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div> <div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structmemDescriptor.html"> 42</a></span>  <span class="keyword">struct </span><a class="code" href="structmemDescriptor.html">memDescriptor</a> {</div> <div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="structmemDescriptor.html#a1c3d40435fbd7093299235a8684d8b66"> 43</a></span>  <span class="keyword">struct </span><a class="code" href="structmemDescriptor.html">memDescriptor</a> *<a class="code" href="structmemDescriptor.html#a1c3d40435fbd7093299235a8684d8b66">prev</a>; <span class="comment">//4</span></div> <div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="structmemDescriptor.html#afef7871e9eb4790c4593ddfaddcd028f"> 44</a></span>  <span class="keyword">struct </span><a class="code" href="structmemDescriptor.html">memDescriptor</a> *<a class="code" href="structmemDescriptor.html#afef7871e9eb4790c4593ddfaddcd028f">next</a>; <span class="comment">//4</span></div> <div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structmemDescriptor.html#aa1d1c6fe6d86d782b64c1ca467250cb9"> 45</a></span>  <span class="keywordtype">void</span> *<a class="code" href="structmemDescriptor.html#aa1d1c6fe6d86d782b64c1ca467250cb9">baseAddr</a>; <span class="comment">//4</span></div> <div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="structmemDescriptor.html#a058bea66f641af082849f748d83ea065"> 46</a></span>  <a class="code" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> <a class="code" href="structmemDescriptor.html#a058bea66f641af082849f748d83ea065">limit</a>; <span class="comment">//4</span></div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">/*uInt8 status; //1 */</span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">/*char reserved[11]; //11 */</span></div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  };</div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">void</span> <a class="code" href="kmalloc_8h.html#aaa9ed6886459604cf73ccdbf6410e487">kfree</a>(<span class="keywordtype">void</span> *<a class="code" href="structmemDescriptor.html#aa1d1c6fe6d86d782b64c1ca467250cb9">baseAddr</a>);</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">void</span> *<a class="code" href="kmalloc_8h.html#a150eab2ac4ce4553e21ca10e7f441762">kmalloc</a>(<a class="code" href="objgfx30_8h.html#ada085051a6d9a8e00a2cb256d1af14ba">uInt32</a> len);</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#ifdef __cplusplus</span></div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> }</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#endif</span></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> <span class="comment">/***</span></div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> $Log: kmalloc.h,v $</span></div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> Revision 1.1.1.1 2006/06/01 12:46:13 reddawg</span></div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> ubix2</span></div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"></span> </div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> Revision 1.2 2005/10/12 00:13:36 reddawg</span></div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> Removed</span></div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"></span> </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> Revision 1.1.1.1 2005/09/26 17:23:40 reddawg</span></div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> no message</span></div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"></span> </div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"> Revision 1.7 2004/09/14 20:57:01 reddawg</span></div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment"> Bug fixes: macro problem over opt a multiply</span></div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"></span> </div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> Revision 1.6 2004/07/21 10:02:09 reddawg</span></div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"> devfs: renamed functions</span></div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> device system: renamed functions</span></div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> fdc: fixed a few potential bugs and cleaned up some unused variables</span></div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> strol: fixed definition</span></div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> endtask: made it print out freepage debug info</span></div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> kmalloc: fixed a huge memory leak we had some unhandled descriptor insertion so some descriptors were lost</span></div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> ld: fixed a pointer conversion</span></div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> file: cleaned up a few unused variables</span></div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment"> sched: broke task deletion</span></div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment"> kprintf: fixed ogPrintf definition</span></div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"></span> </div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> Revision 1.5 2004/07/19 02:08:27 reddawg</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> Cleaned out the rest of debuging code also temporarily disabled the ip stack to improve boot time</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"></span> </div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"> Revision 1.4 2004/07/18 05:24:15 reddawg</span></div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> Fixens</span></div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"></span> </div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment"> Revision 1.3 2004/05/21 15:00:27 reddawg</span></div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment"> Cleaned up</span></div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"></span> </div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment"> END</span></div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"> ***/</span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <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="astructmemDescriptor_html_aa1d1c6fe6d86d782b64c1ca467250cb9"><div class="ttname"><a href="structmemDescriptor.html#aa1d1c6fe6d86d782b64c1ca467250cb9">memDescriptor::baseAddr</a></div><div class="ttdeci">void * baseAddr</div><div class="ttdef"><b>Definition:</b> <a href="kmalloc_8h_source.html#l00045">kmalloc.h:45</a></div></div> <div class="ttc" id="astructmemDescriptor_html_a1c3d40435fbd7093299235a8684d8b66"><div class="ttname"><a href="structmemDescriptor.html#a1c3d40435fbd7093299235a8684d8b66">memDescriptor::prev</a></div><div class="ttdeci">struct memDescriptor * prev</div><div class="ttdef"><b>Definition:</b> <a href="kmalloc_8h_source.html#l00043">kmalloc.h:43</a></div></div> <div class="ttc" id="akmalloc_8h_html_aaa9ed6886459604cf73ccdbf6410e487"><div class="ttname"><a href="kmalloc_8h.html#aaa9ed6886459604cf73ccdbf6410e487">kfree</a></div><div class="ttdeci">void kfree(void *baseAddr)</div><div class="ttdef"><b>Definition:</b> <a href="kmalloc_8c_source.html#l00342">kmalloc.c:342</a></div></div> <div class="ttc" id="ainclude_2sys_2types_8h_html"><div class="ttname"><a href="include_2sys_2types_8h.html">types.h</a></div></div> <div class="ttc" id="astructmemDescriptor_html_afef7871e9eb4790c4593ddfaddcd028f"><div class="ttname"><a href="structmemDescriptor.html#afef7871e9eb4790c4593ddfaddcd028f">memDescriptor::next</a></div><div class="ttdeci">struct memDescriptor * next</div><div class="ttdef"><b>Definition:</b> <a href="kmalloc_8h_source.html#l00044">kmalloc.h:44</a></div></div> <div class="ttc" id="astructmemDescriptor_html_a058bea66f641af082849f748d83ea065"><div class="ttname"><a href="structmemDescriptor.html#a058bea66f641af082849f748d83ea065">memDescriptor::limit</a></div><div class="ttdeci">uInt32 limit</div><div class="ttdef"><b>Definition:</b> <a href="kmalloc_8h_source.html#l00046">kmalloc.h:46</a></div></div> <div class="ttc" id="akmalloc_8h_html_a150eab2ac4ce4553e21ca10e7f441762"><div class="ttname"><a href="kmalloc_8h.html#a150eab2ac4ce4553e21ca10e7f441762">kmalloc</a></div><div class="ttdeci">void * kmalloc(uInt32 len)</div><div class="ttdef"><b>Definition:</b> <a href="kmalloc_8c_source.html#l00241">kmalloc.c:241</a></div></div> <div class="ttc" id="astructmemDescriptor_html"><div class="ttname"><a href="structmemDescriptor.html">memDescriptor</a></div><div class="ttdef"><b>Definition:</b> <a href="kmalloc_8h_source.html#l00042">kmalloc.h:42</a></div></div> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_e6bb53534ac0e427887cf7a94c0c004e.html">C:</a></li><li class="navelem"><a class="el" href="dir_d99d5d4662bf24521eef49da6a8cd34d.html">Dev</a></li><li class="navelem"><a class="el" href="dir_474a4b306371cf7e7f6fa12cb0b77df6.html">git</a></li><li class="navelem"><a class="el" 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