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+<h1>SpeThreads.cc</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
+<a name="l00002"></a>00002 <span class="preprocessor">#include "types.h"</span>
+<a name="l00003"></a>00003 <span class="preprocessor">#include "SpeThreads.h"</span>
+<a name="l00004"></a>00004 
+<a name="l00005"></a>00005 SpeThreads::SpeThreads(<span class="keywordtype">int</span> num) : spe_num(num) {}
+<a name="l00006"></a>00006 
+<a name="l00007"></a>00007 SpeThreads::~SpeThreads(<span class="keywordtype">void</span>)
+<a name="l00008"></a>00008 {
+<a name="l00009"></a>00009     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mail = MY_SPE_COMMAND_EXIT;
+<a name="l00010"></a>00010     <span class="keywordtype">int</span> ret;
+<a name="l00011"></a>00011 
+<a name="l00012"></a>00012     <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; spe_num; i++) {
+<a name="l00013"></a>00013         send_mail(i, 1, &amp;mail);
+<a name="l00014"></a>00014     }
+<a name="l00015"></a>00015 
+<a name="l00016"></a>00016     <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; spe_num; i++) {
+<a name="l00017"></a>00017         pthread_join(threads[i], NULL);
+<a name="l00018"></a>00018         ret = spe_context_destroy(spe_ctx[i]);
+<a name="l00019"></a>00019         <span class="keywordflow">if</span> (ret) {
+<a name="l00020"></a>00020             perror(<span class="stringliteral">"[~SpeThreads] spe_context_destroy"</span>);
+<a name="l00021"></a>00021         }
+<a name="l00022"></a>00022     }
+<a name="l00023"></a>00023 
+<a name="l00024"></a>00024     spe_image_close(spe_handle);
+<a name="l00025"></a>00025 
+<a name="l00026"></a>00026     <span class="keyword">delete</span> [] spe_ctx;
+<a name="l00027"></a>00027     <span class="keyword">delete</span> [] threads;
+<a name="l00028"></a>00028     <span class="keyword">delete</span> [] args;
+<a name="l00029"></a>00029 }
+<a name="l00030"></a>00030 
+<a name="l00031"></a>00031 <span class="keywordtype">void</span>*
+<a name="l00032"></a>00032 SpeThreads::spe_thread_run(<span class="keywordtype">void</span> *arg)
+<a name="l00033"></a>00033 {
+<a name="l00034"></a>00034     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> entry = SPE_DEFAULT_ENTRY;
+<a name="l00035"></a>00035     <span class="comment">//spe_context_ptr_t ctx = (spe_context_ptr_t)arg;</span>
+<a name="l00036"></a>00036     thread_arg_t *arg_t = (thread_arg_t *)arg;
+<a name="l00037"></a>00037 
+<a name="l00038"></a>00038     spe_stop_info_t stop_info;
+<a name="l00039"></a>00039     <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> status;
+<a name="l00040"></a>00040     
+<a name="l00041"></a>00041     spe_context_run(arg_t-&gt;ctx, &amp;entry, 0, (<span class="keywordtype">void</span>*)arg_t-&gt;speid, NULL, &amp;stop_info);
+<a name="l00042"></a>00042     
+<a name="l00043"></a>00043     status = ((stop_info.result.spe_exit_code &amp; 0xff) &lt;&lt; 8)
+<a name="l00044"></a>00044         | (stop_info.result.spe_signal_code &amp; 0xff);
+<a name="l00045"></a>00045 
+<a name="l00046"></a>00046     <span class="keywordflow">switch</span>(stop_info.stop_reason) {
+<a name="l00047"></a>00047     <span class="keywordflow">case</span> SPE_EXIT:
+<a name="l00048"></a>00048         <span class="comment">//printf("SPE_EXIT stop_info.result.stop_exit_code=0x%x\n", stop_info.result.spe_exit_code);</span>
+<a name="l00049"></a>00049         <span class="keywordflow">break</span>;
+<a name="l00050"></a>00050     <span class="keywordflow">case</span> SPE_STOP_AND_SIGNAL:
+<a name="l00051"></a>00051         printf(<span class="stringliteral">"[SPE %d] SPE_STOP_AND_SIGNAL stop_info.result.stop_signal_code=%d\n"</span>, arg_t-&gt;speid, stop_info.result.spe_signal_code);
+<a name="l00052"></a>00052         <span class="keywordflow">break</span>;
+<a name="l00053"></a>00053     <span class="keywordflow">case</span> SPE_RUNTIME_ERROR:
+<a name="l00054"></a>00054         printf(<span class="stringliteral">"[SPE %d] SPE_RUNTIME_ERROR stop_info.result.spe_runtime_error=%d\n"</span>, arg_t-&gt;speid,  stop_info.result.spe_runtime_error);
+<a name="l00055"></a>00055         <span class="keywordflow">break</span>;
+<a name="l00056"></a>00056     <span class="keywordflow">case</span> SPE_RUNTIME_EXCEPTION:
+<a name="l00057"></a>00057         printf(<span class="stringliteral">"[SPE %d] SPE_RUNTIME_EXCEPTION stop_info.result.spe_runtime_exception=%d\n"</span>, arg_t-&gt;speid,  stop_info.result.spe_runtime_exception);
+<a name="l00058"></a>00058         <span class="keywordflow">break</span>;
+<a name="l00059"></a>00059     }
+<a name="l00060"></a>00060 
+<a name="l00061"></a>00061     pthread_exit(NULL);
+<a name="l00062"></a>00062 }
+<a name="l00063"></a>00063 
+<a name="l00064"></a>00064 <span class="keywordtype">void</span>*
+<a name="l00065"></a>00065 SpeThreads::frontend_thread_run(<span class="keywordtype">void</span> *arg)
+<a name="l00066"></a>00066 {
+<a name="l00067"></a>00067     pthread_t thread;
+<a name="l00068"></a>00068     thread_arg_t *arg_t = (thread_arg_t *)arg;
+<a name="l00069"></a>00069 
+<a name="l00070"></a>00070     pthread_create(&amp;thread, NULL, &amp;spe_thread_run, (<span class="keywordtype">void</span>*)arg_t-&gt;ctx);
+<a name="l00071"></a>00071 
+<a name="l00072"></a>00072     <span class="comment">// mail read の blocking ができれば</span>
+<a name="l00073"></a>00073     <span class="comment">// ここで呼んだ方が早い。</span>
+<a name="l00074"></a>00074 
+<a name="l00075"></a>00075     pthread_exit(NULL);
+<a name="l00076"></a>00076 }
+<a name="l00077"></a>00077 
+<a name="l00078"></a>00078 <span class="keywordtype">void</span>
+<a name="l00079"></a>00079 SpeThreads::init(<span class="keywordtype">void</span>)
+<a name="l00080"></a>00080 {
+<a name="l00081"></a>00081     spe_handle = spe_image_open(SPE_ELF);
+<a name="l00082"></a>00082 
+<a name="l00083"></a>00083     <span class="keywordflow">if</span> (spe_handle == NULL) {
+<a name="l00084"></a>00084         perror(<span class="stringliteral">"spe_image_open"</span>);
+<a name="l00085"></a>00085         exit(EXIT_FAILURE);
+<a name="l00086"></a>00086     }
+<a name="l00087"></a>00087 
+<a name="l00088"></a>00088     spe_ctx = <span class="keyword">new</span> spe_context_ptr_t[spe_num];
+<a name="l00089"></a>00089     threads = <span class="keyword">new</span> pthread_t[spe_num];
+<a name="l00090"></a>00090     args    = <span class="keyword">new</span> thread_arg_t[spe_num];
+<a name="l00091"></a>00091 
+<a name="l00092"></a>00092     <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; spe_num; i++) {
+<a name="l00093"></a>00093         args[i].speid = i;
+<a name="l00094"></a>00094         spe_ctx[i] = spe_context_create(0, NULL);
+<a name="l00095"></a>00095         spe_program_load(spe_ctx[i], spe_handle);
+<a name="l00096"></a>00096         args[i].ctx = spe_ctx[i];
+<a name="l00097"></a>00097     }
+<a name="l00098"></a>00098 
+<a name="l00099"></a>00099     <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; spe_num; i++) {
+<a name="l00100"></a>00100 <span class="preprocessor">#if 0</span>
+<a name="l00101"></a>00101 <span class="preprocessor"></span>        pthread_create(&amp;threads[i], NULL,
+<a name="l00102"></a>00102                        &amp;frontend_thread_run, (<span class="keywordtype">void</span>*)&amp;args[i]);
+<a name="l00103"></a>00103 <span class="preprocessor">#else</span>
+<a name="l00104"></a>00104 <span class="preprocessor"></span>        pthread_create(&amp;threads[i], NULL,
+<a name="l00105"></a>00105                        &amp;spe_thread_run, (<span class="keywordtype">void</span>*)&amp;args[i]);
+<a name="l00106"></a>00106 <span class="preprocessor">#endif</span>
+<a name="l00107"></a>00107 <span class="preprocessor"></span>    }
+<a name="l00108"></a>00108 }
+<a name="l00109"></a>00109 
+<a name="l00110"></a>00110 
+<a name="l00119"></a>00119 <span class="keywordtype">int</span>
+<a name="l00120"></a>00120 SpeThreads::get_mail(<span class="keywordtype">int</span> speid, <span class="keywordtype">int</span> count, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* ret)
+<a name="l00121"></a>00121 {   
+<a name="l00122"></a>00122     <span class="keywordflow">while</span>(spe_out_mbox_status(spe_ctx[speid]) &lt; count);    
+<a name="l00123"></a>00123     <span class="keywordflow">return</span> spe_out_mbox_read(spe_ctx[speid], ret, count);    
+<a name="l00124"></a>00124 }
+<a name="l00125"></a>00125 
+<a name="l00126"></a>00126 <span class="keywordtype">int</span>
+<a name="l00127"></a>00127 SpeThreads::check_mail(<span class="keywordtype">int</span> speid, <span class="keywordtype">int</span> count, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>* ret)
+<a name="l00128"></a>00128 {
+<a name="l00129"></a>00129     <span class="keywordflow">if</span> (spe_out_mbox_status(spe_ctx[speid]) &gt;= count) {    
+<a name="l00130"></a>00130         <span class="keywordflow">return</span> spe_out_mbox_read(spe_ctx[speid], ret, count);   
+<a name="l00131"></a>00131     } <span class="keywordflow">else</span> {
+<a name="l00132"></a>00132         <span class="keywordflow">return</span> 0;            
+<a name="l00133"></a>00133     }
+<a name="l00134"></a>00134 }
+<a name="l00135"></a>00135 
+<a name="l00150"></a>00150 <span class="keywordtype">void</span>
+<a name="l00151"></a>00151 SpeThreads::send_mail(<span class="keywordtype">int</span> speid, <span class="keywordtype">int</span> num, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *data)
+<a name="l00152"></a>00152 {
+<a name="l00153"></a>00153     spe_in_mbox_write(spe_ctx[speid], data, num, SPE_MBOX_ALL_BLOCKING);
+<a name="l00154"></a>00154 }
+<a name="l00155"></a>00155 
+<a name="l00156"></a>00156 <span class="keywordtype">void</span>
+<a name="l00157"></a>00157 SpeThreads::add_output_tasklist(<span class="keywordtype">int</span> command, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> buff, <span class="keywordtype">int</span> alloc_size)
+<a name="l00158"></a>00158 {
+<a name="l00159"></a>00159     <span class="comment">/*</span>
+<a name="l00160"></a>00160 <span class="comment">     * output TaskList が無ければ新しく作る</span>
+<a name="l00161"></a>00161 <span class="comment">     * あれば TaskList に allocate した Task を追加</span>
+<a name="l00162"></a>00162 <span class="comment">     * command に対応した Task の初期化を実行する</span>
+<a name="l00163"></a>00163 <span class="comment">     * SPE に data が書き出し終わった後に PPE 側で初期化</span>
+<a name="l00164"></a>00164 <span class="comment">     */</span>
+<a name="l00165"></a>00165     
+<a name="l00166"></a>00166 }
+</pre></div></div>
+<hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 5 18:14:06 2009 for Cerium by&nbsp;
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