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<div class="title">syscall_posix.c</div>  </div>
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<a href="syscall__posix_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>&#160;<span class="comment">/*-</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (c) 2002-2018 The UbixOS Project.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<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>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<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>&#160;<span class="comment"> * provided that the following conditions are met:</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> *    other materials provided with the distribution.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<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>&#160;<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>&#160;<span class="comment"> *    permission.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160; </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="syscalls_8h.html">ubixos/syscalls.h</a>&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="syscall_8h.html">ubixos/syscall.h</a>&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="sched_8h.html">ubixos/sched.h</a>&gt;</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="endtask_8h.html">ubixos/endtask.h</a>&gt;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="spinlock_8h.html">ubixos/spinlock.h</a>&gt;</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="trap_8h.html">sys/trap.h</a>&gt;</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="sys_2elf_8h.html">sys/elf.h</a>&gt;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="string_8h.html">string.h</a>&gt;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="kprintf_8h.html">lib/kprintf.h</a>&gt;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="kpanic_8h.html">ubixos/kpanic.h</a>&gt;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160; </div>
<div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="syscall__posix_8c.html#a265ad04ec8650ad0a46179cdaa01dd98">   40</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structspinLock.html">spinLock</a> <a class="code" href="syscall__posix_8c.html#a265ad04ec8650ad0a46179cdaa01dd98">Master</a> = <a class="code" href="spinlock_8h.html#a0fe85a4f3642683148b25916d6c5eafd">SPIN_LOCK_INITIALIZER</a>;</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160; </div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="syscall__posix_8c.html#a36e904a79ceddf1f6e28a7959ac55b99">   42</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="syscall__posix_8c.html#a36e904a79ceddf1f6e28a7959ac55b99">sys_call_posix</a>(<span class="keyword">struct</span> <a class="code" href="structtrapframe.html">trapframe</a> *frame) {</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;  <a class="code" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> code = 0x0;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;  <a class="code" href="include_2sys_2types_8h.html#a06b0051d3f39d5cd5ad781e5871e49ee">caddr_t</a> params;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">   if (_current-&gt;id == 6)</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">   kprintf(&quot;SYSCALL: 0x%X.&quot;, frame-&gt;tf_eip);</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160; </div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;  <span class="keyword">struct </span><a class="code" href="structthread.html">thread</a> *td = &amp;<a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-&gt;<a class="code" href="structtaskStruct.html#a481c2e7084fec272e616d3fb984036e2">td</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;  td-&gt;<a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a> = <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;  <span class="keywordtype">int</span> args[8];</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;  <span class="keywordtype">int</span> error = 0x0;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;  params = (<a class="code" href="include_2sys_2types_8h.html#a06b0051d3f39d5cd5ad781e5871e49ee">caddr_t</a>) <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#acbc06b1642fabea71bfa8ddbba3ede44">tf_esp</a> + <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>);</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;  code = <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a>;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160; </div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  <span class="keywordflow">if</span> (code == 198) {</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <a class="code" href="string_8h.html#ae33b18edb618c656b9b795b9fce2316c">memcpy</a>(&amp;code, params, <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    params += <span class="keyword">sizeof</span>(<a class="code" href="include_2sys_2types_8h.html#aed1098ccbc33ac9e2fe61c0feed081bc">quad_t</a>);</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  }</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160; </div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;  <span class="keywordflow">if</span> (code &gt; <a class="code" href="syscalls_8h.html#a9a58a1a19acb364c296487ac03f9407b">totalCalls_posix</a>) {</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">&quot;pCall [%i]\n&quot;</span>, code);</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    <a class="code" href="trap_8c.html#a62b4617f9a2800b1e9baf8d6f93835bd">die_if_kernel</a>(<span class="stringliteral">&quot;Invalid System pCall&quot;</span>, <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>, <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a>);</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <a class="code" href="armv6_2kpanic_8c.html#adb9a182aa071791a306163d50d653deb">kpanic</a>(<span class="stringliteral">&quot;PID: %i&quot;</span>, <a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-&gt;<a class="code" href="structtaskStruct.html#a30966587a60db6b40c8be6c387e11d81">id</a>);</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;  }</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((<span class="keywordtype">int</span>) <a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_status == <a class="code" href="syscalls_8h.html#a128d1a590746d75087f6018dc46c69a4">SYSCALL_INVALID</a>) {</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">&quot;Invalid Call: [%i][%s]\n&quot;</span>, code, <a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_name);</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a> = -1;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#a4e14d725fc1185125f65d8812737c3d4">tf_edx</a> = 0x0;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;    <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#adafa69a2f56db6fef99c33bc17c947ba">tf_eflags</a> |= <a class="code" href="i386_2cpu_8h.html#a9547f658d81341fdf691bb24c6243b74">PSL_C</a>;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;  }</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((<span class="keywordtype">int</span>) <a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_status == <a class="code" href="syscalls_8h.html#a93401fbfd55a8c0c8ae53ab7fc9b3e07">SYSCALL_NOTIMP</a>) {</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">&quot;Not Implemented Call: [%i][%s]\n&quot;</span>, code, <a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_name);</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a> = 22;<span class="comment">//-1;</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#a4e14d725fc1185125f65d8812737c3d4">tf_edx</a> = 0x0;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#adafa69a2f56db6fef99c33bc17c947ba">tf_eflags</a> |= <a class="code" href="i386_2cpu_8h.html#a9547f658d81341fdf691bb24c6243b74">PSL_C</a>;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;  }</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    td-&gt;<a class="code" href="structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = 0;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    td-&gt;<a class="code" href="structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[1] = <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#a4e14d725fc1185125f65d8812737c3d4">tf_edx</a>;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160; </div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_status == <a class="code" href="syscalls_8h.html#afa9ccac1e67742f71f026012e2c482c6">SYSCALL_DUMMY</a>)</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;      <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">&quot;Syscall-&gt;abi: [%i], PID: [%i], Code: %i, Call: %s\n&quot;</span>, td-&gt;<a class="code" href="structthread.html#ad50525c84c75cd60eace495f3731d457">abi</a>, <a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-&gt;<a class="code" href="structtaskStruct.html#a30966587a60db6b40c8be6c387e11d81">id</a>, <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a>, <a class="code" href="syscalls_8h.html#af9dddaf18cb637317c2c1a4a75f9feb0">systemCalls</a>[code].<a class="code" href="structsyscall__entry.html#a1ec13625ae86125bbac17514955e8332">sc_name</a>);</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160; </div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment">     if ( td-&gt;abi == ELFOSABI_UBIXOS )</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment">     error = (int) systemCalls[code].sc_entry( frame-&gt;tf_ebx, frame-&gt;tf_ecx, frame-&gt;tf_edx );</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="keywordflow">if</span> (td-&gt;<a class="code" href="structthread.html#ad50525c84c75cd60eace495f3731d457">abi</a> == <a class="code" href="elf__common_8h.html#ac7863c747c742ebf280ffc50cd87a890">ELFOSABI_FREEBSD</a>)</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;      error = (int) <a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_entry(td, params);</div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;      error = (int) <a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_entry(td, params);</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keywordflow">if</span> (<a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_status == <a class="code" href="syscalls_8h.html#afa9ccac1e67742f71f026012e2c482c6">SYSCALL_DUMMY</a>) {</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;      <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">&quot;RET(%i)1&quot;</span>, code);</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;      <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    }</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keywordflow">switch</span> (error) {</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;      <span class="keywordflow">case</span> 0:</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a> = td-&gt;<a class="code" href="structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0];</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#a4e14d725fc1185125f65d8812737c3d4">tf_edx</a> = td-&gt;<a class="code" href="structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[1];</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;        <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#adafa69a2f56db6fef99c33bc17c947ba">tf_eflags</a> &amp;= ~<a class="code" href="i386_2cpu_8h.html#a9547f658d81341fdf691bb24c6243b74">PSL_C</a>;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;        <span class="keywordflow">if</span> (<a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_status == <a class="code" href="syscalls_8h.html#afa9ccac1e67742f71f026012e2c482c6">SYSCALL_DUMMY</a>)</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;          <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">&quot;RET3&quot;</span>);</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;      <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;        <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a> = td-&gt;<a class="code" href="structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0];</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#a4e14d725fc1185125f65d8812737c3d4">tf_edx</a> = td-&gt;<a class="code" href="structthread.html#af3ec0788a84e5cb640a1646d1347998a">td_retval</a>[1];</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;        <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#adafa69a2f56db6fef99c33bc17c947ba">tf_eflags</a> |= <a class="code" href="i386_2cpu_8h.html#a9547f658d81341fdf691bb24c6243b74">PSL_C</a>;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">&quot;SC[%i][%s][%i][%i]\n&quot;</span>, code, <a class="code" href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a>[code].sc_name, <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a>, <a class="code" href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">frame</a>-&gt;<a class="code" href="structtrapframe.html#a4e14d725fc1185125f65d8812737c3d4">tf_edx</a>);</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    }</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;  }</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;}</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160; </div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="syscall__posix_8c.html#a732bce33711189953191fb779fa98c3a">  124</a></span>&#160;<span class="keywordtype">int</span> <a class="code" href="syscall__posix_8c.html#a732bce33711189953191fb779fa98c3a">invalidCall_posix</a>() {</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;  <span class="keywordtype">int</span> <a class="code" href="syscall_8h.html#ab47807607e76a25f1af877bff76e5cd3">sys_call</a>;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160; </div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  <span class="keyword">asm</span>(</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="stringliteral">&quot;nop&quot;</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    : <span class="stringliteral">&quot;=a&quot;</span> (<a class="code" href="syscall_8h.html#ab47807607e76a25f1af877bff76e5cd3">sys_call</a>)</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    :</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;  );</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160; </div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;  <a class="code" href="kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">&quot;Invalid System Call #[%i], PID: %i\n&quot;</span>, <a class="code" href="syscall_8h.html#ab47807607e76a25f1af877bff76e5cd3">sys_call</a>, <a class="code" href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a>-&gt;<a class="code" href="structtaskStruct.html#a30966587a60db6b40c8be6c387e11d81">id</a>);</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  <span class="keywordflow">return</span> (0);</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;}</div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="asyscalls_8h_html"><div class="ttname"><a href="syscalls_8h.html">syscalls.h</a></div></div>
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<div class="ttc" id="astructthread_html"><div class="ttname"><a href="structthread.html">thread</a></div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00040">thread.h:40</a></div></div>
<div class="ttc" id="ai386_2cpu_8h_html_a9547f658d81341fdf691bb24c6243b74"><div class="ttname"><a href="i386_2cpu_8h.html#a9547f658d81341fdf691bb24c6243b74">PSL_C</a></div><div class="ttdeci">#define PSL_C</div><div class="ttdef"><b>Definition:</b> <a href="i386_2cpu_8h_source.html#l00037">cpu.h:37</a></div></div>
<div class="ttc" id="aendtask_8h_html"><div class="ttname"><a href="endtask_8h.html">endtask.h</a></div></div>
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<div class="ttc" id="astructtrapframe_html_adafa69a2f56db6fef99c33bc17c947ba"><div class="ttname"><a href="structtrapframe.html#adafa69a2f56db6fef99c33bc17c947ba">trapframe::tf_eflags</a></div><div class="ttdeci">int tf_eflags</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00052">trap.h:52</a></div></div>
<div class="ttc" id="ainclude_2sys_2types_8h_html_aed1098ccbc33ac9e2fe61c0feed081bc"><div class="ttname"><a href="include_2sys_2types_8h.html#aed1098ccbc33ac9e2fe61c0feed081bc">quad_t</a></div><div class="ttdeci">__int64_t quad_t</div><div class="ttdef"><b>Definition:</b> <a href="include_2sys_2types_8h_source.html#l00057">types.h:57</a></div></div>
<div class="ttc" id="astring_8h_html_ae33b18edb618c656b9b795b9fce2316c"><div class="ttname"><a href="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="asyscalls_8h_html_af9dddaf18cb637317c2c1a4a75f9feb0"><div class="ttname"><a href="syscalls_8h.html#af9dddaf18cb637317c2c1a4a75f9feb0">systemCalls</a></div><div class="ttdeci">struct syscall_entry systemCalls[]</div><div class="ttdef"><b>Definition:</b> <a href="syscalls_8c_source.html#l00034">syscalls.c:34</a></div></div>
<div class="ttc" id="astructtaskStruct_html_a481c2e7084fec272e616d3fb984036e2"><div class="ttname"><a href="structtaskStruct.html#a481c2e7084fec272e616d3fb984036e2">taskStruct::td</a></div><div class="ttdeci">struct thread td</div><div class="ttdef"><b>Definition:</b> <a href="sched_8h_source.html#l00078">sched.h:78</a></div></div>
<div class="ttc" id="akpanic_8h_html"><div class="ttname"><a href="kpanic_8h.html">kpanic.h</a></div></div>
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<div class="ttc" id="astructsyscall__entry_html_a1ec13625ae86125bbac17514955e8332"><div class="ttname"><a href="structsyscall__entry.html#a1ec13625ae86125bbac17514955e8332">syscall_entry::sc_name</a></div><div class="ttdeci">char * sc_name</div><div class="ttdef"><b>Definition:</b> <a href="syscalls_8h_source.html#l00053">syscalls.h:53</a></div></div>
<div class="ttc" id="aelf__common_8h_html_ac7863c747c742ebf280ffc50cd87a890"><div class="ttname"><a href="elf__common_8h.html#ac7863c747c742ebf280ffc50cd87a890">ELFOSABI_FREEBSD</a></div><div class="ttdeci">#define ELFOSABI_FREEBSD</div><div class="ttdef"><b>Definition:</b> <a href="elf__common_8h_source.html#l00164">elf_common.h:164</a></div></div>
<div class="ttc" id="astructthread_html_af3ec0788a84e5cb640a1646d1347998a"><div class="ttname"><a href="structthread.html#af3ec0788a84e5cb640a1646d1347998a">thread::td_retval</a></div><div class="ttdeci">int td_retval[2]</div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00041">thread.h:41</a></div></div>
<div class="ttc" id="astructtrapframe_html_afb020a5162b2fe71f4f8fa641f7dd5f2"><div class="ttname"><a href="structtrapframe.html#afb020a5162b2fe71f4f8fa641f7dd5f2">trapframe::tf_eax</a></div><div class="ttdeci">int tf_eax</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00046">trap.h:46</a></div></div>
<div class="ttc" id="akprintf_8h_html"><div class="ttname"><a href="kprintf_8h.html">kprintf.h</a></div></div>
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<div class="ttc" id="astructthread_html_ad50525c84c75cd60eace495f3731d457"><div class="ttname"><a href="structthread.html#ad50525c84c75cd60eace495f3731d457">thread::abi</a></div><div class="ttdeci">int abi</div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00048">thread.h:48</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="astructtrapframe_html"><div class="ttname"><a href="structtrapframe.html">trapframe</a></div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00034">trap.h:34</a></div></div>
<div class="ttc" id="asyscalls_8h_html_a93401fbfd55a8c0c8ae53ab7fc9b3e07"><div class="ttname"><a href="syscalls_8h.html#a93401fbfd55a8c0c8ae53ab7fc9b3e07">SYSCALL_NOTIMP</a></div><div class="ttdeci">#define SYSCALL_NOTIMP</div><div class="ttdef"><b>Definition:</b> <a href="syscalls_8h_source.html#l00047">syscalls.h:47</a></div></div>
<div class="ttc" id="astructthread_html_a44c91c2feae7dd69a8edd9bb8fe601c9"><div class="ttname"><a href="structthread.html#a44c91c2feae7dd69a8edd9bb8fe601c9">thread::frame</a></div><div class="ttdeci">struct trapframe * frame</div><div class="ttdef"><b>Definition:</b> <a href="thread_8h_source.html#l00047">thread.h:47</a></div></div>
<div class="ttc" id="asyscalls_8h_html_afa9ccac1e67742f71f026012e2c482c6"><div class="ttname"><a href="syscalls_8h.html#afa9ccac1e67742f71f026012e2c482c6">SYSCALL_DUMMY</a></div><div class="ttdeci">#define SYSCALL_DUMMY</div><div class="ttdef"><b>Definition:</b> <a href="syscalls_8h_source.html#l00046">syscalls.h:46</a></div></div>
<div class="ttc" id="ainclude_2sys_2types_8h_html_a06b0051d3f39d5cd5ad781e5871e49ee"><div class="ttname"><a href="include_2sys_2types_8h.html#a06b0051d3f39d5cd5ad781e5871e49ee">caddr_t</a></div><div class="ttdeci">char * caddr_t</div><div class="ttdef"><b>Definition:</b> <a href="include_2sys_2types_8h_source.html#l00041">types.h:41</a></div></div>
<div class="ttc" id="aarmv6_2sched_8c_html_a54397bfe18d5da4d50ff03b15f540858"><div class="ttname"><a href="armv6_2sched_8c.html#a54397bfe18d5da4d50ff03b15f540858">_current</a></div><div class="ttdeci">kTask_t * _current</div><div class="ttdef"><b>Definition:</b> <a href="armv6_2sched_8c_source.html#l00050">sched.c:50</a></div></div>
<div class="ttc" id="asyscall__posix_8c_html_a265ad04ec8650ad0a46179cdaa01dd98"><div class="ttname"><a href="syscall__posix_8c.html#a265ad04ec8650ad0a46179cdaa01dd98">Master</a></div><div class="ttdeci">struct spinLock Master</div><div class="ttdef"><b>Definition:</b> <a href="syscall__posix_8c_source.html#l00040">syscall_posix.c:40</a></div></div>
<div class="ttc" id="asyscall__posix_8c_html_a36e904a79ceddf1f6e28a7959ac55b99"><div class="ttname"><a href="syscall__posix_8c.html#a36e904a79ceddf1f6e28a7959ac55b99">sys_call_posix</a></div><div class="ttdeci">void sys_call_posix(struct trapframe *frame)</div><div class="ttdef"><b>Definition:</b> <a href="syscall__posix_8c_source.html#l00042">syscall_posix.c:42</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="atrap_8c_html_a62b4617f9a2800b1e9baf8d6f93835bd"><div class="ttname"><a href="trap_8c.html#a62b4617f9a2800b1e9baf8d6f93835bd">die_if_kernel</a></div><div class="ttdeci">void die_if_kernel(char *str, struct trapframe *regs, long err)</div><div class="ttdef"><b>Definition:</b> <a href="trap_8c_source.html#l00059">trap.c:59</a></div></div>
<div class="ttc" id="astructtrapframe_html_acbc06b1642fabea71bfa8ddbba3ede44"><div class="ttname"><a href="structtrapframe.html#acbc06b1642fabea71bfa8ddbba3ede44">trapframe::tf_esp</a></div><div class="ttdeci">int tf_esp</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00054">trap.h:54</a></div></div>
<div class="ttc" id="astructtrapframe_html_a4e14d725fc1185125f65d8812737c3d4"><div class="ttname"><a href="structtrapframe.html#a4e14d725fc1185125f65d8812737c3d4">trapframe::tf_edx</a></div><div class="ttdeci">int tf_edx</div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00044">trap.h:44</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="asys_2elf_8h_html"><div class="ttname"><a href="sys_2elf_8h.html">elf.h</a></div></div>
<div class="ttc" id="asyscalls_8h_html_a9a58a1a19acb364c296487ac03f9407b"><div class="ttname"><a href="syscalls_8h.html#a9a58a1a19acb364c296487ac03f9407b">totalCalls_posix</a></div><div class="ttdeci">int totalCalls_posix</div><div class="ttdef"><b>Definition:</b> <a href="syscalls__posix_8c_source.html#l02791">syscalls_posix.c:2791</a></div></div>
<div class="ttc" id="asyscalls_8h_html_ac093ecf7c6a544746f255e656ced3eb4"><div class="ttname"><a href="syscalls_8h.html#ac093ecf7c6a544746f255e656ced3eb4">systemCalls_posix</a></div><div class="ttdeci">struct syscall_entry systemCalls_posix[]</div><div class="ttdef"><b>Definition:</b> <a href="syscalls__posix_8c_source.html#l00033">syscalls_posix.c:33</a></div></div>
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