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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_7efffd2b1fae7bb6f2aa85845c863494.html">kernel</a></div>
<h1>syscall_new.c</h1><a href="syscall__new_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*****************************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> Copyright (c) 2002-2004 The UbixOS Project</span>
<a name="l00003"></a>00003 <span class="comment"> All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> Redistribution and use in source and binary forms, with or without modification, are</span>
<a name="l00006"></a>00006 <span class="comment"> permitted provided that the following conditions are met:</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> Redistributions of source code must retain the above copyright notice, this list of</span>
<a name="l00009"></a>00009 <span class="comment"> conditions, the following disclaimer and the list of authors. Redistributions in binary</span>
<a name="l00010"></a>00010 <span class="comment"> form must reproduce the above copyright notice, this list of conditions, the following</span>
<a name="l00011"></a>00011 <span class="comment"> disclaimer and the list of authors in the documentation and/or other materials provided</span>
<a name="l00012"></a>00012 <span class="comment"> with the distribution. Neither the name of the UbixOS Project nor the names of its</span>
<a name="l00013"></a>00013 <span class="comment"> contributors may be used to endorse or promote products derived from this software</span>
<a name="l00014"></a>00014 <span class="comment"> without specific prior written permission.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY</span>
<a name="l00017"></a>00017 <span class="comment"> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span>
<a name="l00018"></a>00018 <span class="comment"> MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL</span>
<a name="l00019"></a>00019 <span class="comment"> THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00020"></a>00020 <span class="comment"> SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span>
<a name="l00021"></a>00021 <span class="comment"> OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
<a name="l00022"></a>00022 <span class="comment"> HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR</span>
<a name="l00023"></a>00023 <span class="comment"> TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00024"></a>00024 <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00025"></a>00025 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment"> $Id: syscall__new_8c-source.html 88 2016-01-12 00:11:29Z reddawg $</span>
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">*****************************************************************************************/</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <<a class="code" href="syscalls__new_8h.html">ubixos/syscalls_new.h</a>></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <<a class="code" href="sched_8h.html">ubixos/sched.h</a>></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <<a class="code" href="types_8h.html">ubixos/types.h</a>></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <<a class="code" href="endtask_8h.html">ubixos/endtask.h</a>></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <<a class="code" href="spinlock_8h.html">ubixos/spinlock.h</a>></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <<a class="code" href="trap_8h.html">sys/trap.h</a>></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <<a class="code" href="lib_2string_8h.html">lib/string.h</a>></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <<a class="code" href="kprintf_8h.html">lib/kprintf.h</a>></span>
<a name="l00038"></a>00038
<a name="l00039"></a><a class="code" href="syscall__new_8c.html#061103633079320d29a623d5758623b1">00039</a> <a class="code" href="spinlock_8h.html#a240e9404b4ede1e0d714610080d1176">spinLock_t</a> <a class="code" href="spinlock_8h.html#061103633079320d29a623d5758623b1">Master</a> = <a class="code" href="spinlock_8h.html#0fe85a4f3642683148b25916d6c5eafd">SPIN_LOCK_INITIALIZER</a>;
<a name="l00040"></a>00040
<a name="l00041"></a><a class="code" href="syscall__new_8c.html#8227159f0d43f5d10bcc8f3fe198fed6">00041</a> <span class="keywordtype">void</span> <a class="code" href="syscall__new_8c.html#8227159f0d43f5d10bcc8f3fe198fed6">syscall</a>(<span class="keyword">struct</span> <a class="code" href="structtrapframe.html">trapframe</a> frame) {
<a name="l00042"></a>00042 <a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a> code = 0x0;
<a name="l00043"></a>00043 <a class="code" href="types_8h.html#947150611d74d1400ef3f0af0776aadd">caddr_t</a> params;
<a name="l00044"></a>00044 <span class="keyword">struct </span><a class="code" href="structthread.html">thread</a> *td = &<a class="code" href="sched_8h.html#54397bfe18d5da4d50ff03b15f540858">_current</a>-><a class="code" href="structtaskStruct.html#481c2e7084fec272e616d3fb984036e2">td</a>;
<a name="l00045"></a>00045 <span class="keywordtype">int</span> args[8];
<a name="l00046"></a>00046 <span class="keywordtype">int</span> error = 0x0;
<a name="l00047"></a>00047
<a name="l00048"></a>00048 params = (<a class="code" href="types_8h.html#947150611d74d1400ef3f0af0776aadd">caddr_t</a>)frame.<a class="code" href="structtrapframe.html#cbc06b1642fabea71bfa8ddbba3ede44">tf_esp</a> + <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>);
<a name="l00049"></a>00049
<a name="l00050"></a>00050 code = frame.<a class="code" href="structtrapframe.html#fb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a>;
<a name="l00051"></a>00051 <span class="keywordflow">if</span> (code == 198) {
<a name="l00052"></a>00052 <a class="code" href="lib_2string_8h.html#e33b18edb618c656b9b795b9fce2316c">memcpy</a>(&code,params,<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));
<a name="l00053"></a>00053 params += <span class="keyword">sizeof</span>(<a class="code" href="types_8h.html#b0580e7dfaba1bf72c220284778fd479">quad_t</a>);
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (code > <a class="code" href="syscalls__new_8h.html#ab56fc2410668ba7358ac4c867daf7d3">totalCalls_new</a>) {
<a name="l00057"></a>00057 <a class="code" href="kprint_8h.html#b2761bdf0cca73ad0fb5880895210cd8">kprintf</a>(<span class="stringliteral">"Invalid Call: [%i]\n"</span>,frame.<a class="code" href="structtrapframe.html#fb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a>);
<a name="l00058"></a>00058 }
<a name="l00059"></a>00059 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>)<a class="code" href="syscalls__new_8h.html#a55574708fb2a4bea357c266347e16db">systemCalls_new</a>[code] == 0x0) {
<a name="l00060"></a>00060 <a class="code" href="kprint_8h.html#b2761bdf0cca73ad0fb5880895210cd8">kprintf</a>(<span class="stringliteral">"Invalid Call: [%i][0x%X]\n"</span>,code,(<a class="code" href="types_8h.html#5847ea0262a5aa61eee48cbe95544a78">uInt32</a>)<a class="code" href="syscalls__new_8h.html#a55574708fb2a4bea357c266347e16db">systemCalls_new</a>[code]);
<a name="l00061"></a>00061 frame.<a class="code" href="structtrapframe.html#fb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a> = -1;
<a name="l00062"></a>00062 frame.<a class="code" href="structtrapframe.html#4e14d725fc1185125f65d8812737c3d4">tf_edx</a> = 0x0;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064 <span class="keywordflow">else</span> {
<a name="l00065"></a>00065 <a class="code" href="lib_2string_8h.html#e33b18edb618c656b9b795b9fce2316c">memcpy</a>(args,params,8 * <span class="keyword">sizeof</span>(<span class="keywordtype">int</span>));
<a name="l00066"></a>00066 td-><a class="code" href="structthread.html#f3ec0788a84e5cb640a1646d1347998a">td_retval</a>[0] = 0;
<a name="l00067"></a>00067 td-><a class="code" href="structthread.html#f3ec0788a84e5cb640a1646d1347998a">td_retval</a>[1] = frame.<a class="code" href="structtrapframe.html#4e14d725fc1185125f65d8812737c3d4">tf_edx</a>;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 error = (int)<a class="code" href="syscalls__new_8h.html#a55574708fb2a4bea357c266347e16db">systemCalls_new</a>[code](td,args);
<a name="l00070"></a>00070 <span class="keywordflow">switch</span> (error) {
<a name="l00071"></a>00071 <span class="keywordflow">case</span> 0:
<a name="l00072"></a>00072 frame.<a class="code" href="structtrapframe.html#fb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a> = td->td_retval[0];
<a name="l00073"></a>00073 frame.<a class="code" href="structtrapframe.html#4e14d725fc1185125f65d8812737c3d4">tf_edx</a> = td->td_retval[1];
<a name="l00074"></a>00074 frame.<a class="code" href="structtrapframe.html#dafa69a2f56db6fef99c33bc17c947ba">tf_eflags</a> &= ~<a class="code" href="syscalls__new_8h.html#9547f658d81341fdf691bb24c6243b74">PSL_C</a>;
<a name="l00075"></a>00075 <span class="keywordflow">break</span>;
<a name="l00076"></a>00076 <span class="keywordflow">case</span> <a class="code" href="syscalls__new_8h.html#0e5993319c80d5a93ed10b6253878ae5">ERESTART</a>:
<a name="l00077"></a>00077 frame.<a class="code" href="structtrapframe.html#5d510dabbcd29cf981b17a4c08234c3b">tf_eip</a> -= frame.<a class="code" href="structtrapframe.html#9e4fa072056d86cd7516e9445822ef34">tf_err</a>;
<a name="l00078"></a>00078 <span class="keywordflow">break</span>;
<a name="l00079"></a>00079 <span class="keywordflow">case</span> <a class="code" href="syscalls__new_8h.html#6bad9f3eaf40b0161bc52e3fe8aa0575">EJUSTRETURN</a>:
<a name="l00080"></a>00080 <span class="keywordflow">break</span>;
<a name="l00081"></a>00081 <span class="keywordflow">default</span>:
<a name="l00082"></a>00082 frame.<a class="code" href="structtrapframe.html#fb020a5162b2fe71f4f8fa641f7dd5f2">tf_eax</a> = error;
<a name="l00083"></a>00083 frame.<a class="code" href="structtrapframe.html#dafa69a2f56db6fef99c33bc17c947ba">tf_eflags</a> |= <a class="code" href="syscalls__new_8h.html#9547f658d81341fdf691bb24c6243b74">PSL_C</a>;
<a name="l00084"></a>00084 <span class="keywordflow">break</span>;
<a name="l00085"></a>00085
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="comment">/***</span>
<a name="l00092"></a>00092 <span class="comment"> END</span>
<a name="l00093"></a>00093 <span class="comment"> ***/</span>
<a name="l00094"></a>00094
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Dec 15 11:18:55 2006 for UbixOS V2 by
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