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<h1>CellDmaManager.cc</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
<a name="l00002"></a>00002 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
<a name="l00003"></a>00003 <span class="preprocessor">#include "CellDmaManager.h"</span>
<a name="l00004"></a>00004 
<a name="l00013"></a>00013 <span class="keywordtype">void</span>
<a name="l00014"></a>00014 CellDmaManager::dma_load(<span class="keywordtype">void</span> *buf, uint32 addr, uint32 size, uint32 mask)
<a name="l00015"></a>00015 {
<a name="l00016"></a>00016     <span class="keywordflow">if</span> (size == 0) return ;
<a name="l00017"></a>00017     mfc_get((<span class="keyword">volatile</span> <span class="keywordtype">void</span> *)buf, addr, size, mask, 0, 0);
<a name="l00018"></a>00018 }
<a name="l00019"></a>00019 
<a name="l00028"></a>00028 <span class="keywordtype">void</span>
<a name="l00029"></a>00029 CellDmaManager::dma_store(<span class="keywordtype">void</span> *buf, uint32 addr, uint32 size, uint32 mask)
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031     <span class="keywordflow">if</span> (size == 0) return ;
<a name="l00032"></a>00032     mfc_put((<span class="keyword">volatile</span> <span class="keywordtype">void</span> *)buf, addr, size, mask, 0, 0);
<a name="l00033"></a>00033 }
<a name="l00034"></a>00034 
<a name="l00040"></a>00040 <span class="keywordtype">void</span>
<a name="l00041"></a>00041 CellDmaManager::start_dmawait_profile()
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043     wait_time = spu_readch(SPU_RdDec); 
<a name="l00044"></a>00044     global_busy_time += busy_time - wait_time;
<a name="l00045"></a>00045     spu_writech(SPU_WrDec, 0xffffffff);
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 <span class="keywordtype">void</span>
<a name="l00049"></a>00049 CellDmaManager::end_dmawait_profile()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051     wait_time = spu_readch(SPU_RdDec);
<a name="l00052"></a>00052     global_wait_time += 0xffffffff - wait_time;
<a name="l00053"></a>00053     busy_time = wait_time;
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="keywordtype">void</span>
<a name="l00057"></a>00057 CellDmaManager::show_dma_wait(<span class="keywordtype">int</span> cpu)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 
<a name="l00060"></a>00060   printf(<span class="stringliteral">"spu%d: global_wait_time = %lld\n"</span>,cpu, global_wait_time);
<a name="l00061"></a>00061   printf(<span class="stringliteral">"spu%d: global_busy_time = %lld\n"</span>,cpu, global_busy_time);
<a name="l00062"></a>00062   printf(<span class="stringliteral">"spu%d: busy_ratio = %g%%\n"</span>,cpu, 
<a name="l00063"></a>00063          ((<span class="keywordtype">double</span>)global_busy_time)/((<span class="keywordtype">double</span>)(global_busy_time+global_wait_time))*100.0);
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 
<a name="l00066"></a>00066 <span class="keywordtype">void</span>
<a name="l00067"></a>00067 CellDmaManager::dma_wait(uint32 mask)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 <span class="preprocessor">#ifdef SPU_PROFILE</span>
<a name="l00070"></a>00070 <span class="preprocessor"></span>    start_dmawait_profile();
<a name="l00071"></a>00071 <span class="preprocessor">#endif</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span>    mfc_write_tag_mask(1 &lt;&lt; mask);
<a name="l00073"></a>00073     mfc_write_tag_update_all();
<a name="l00074"></a>00074     mfc_read_tag_status();
<a name="l00075"></a>00075 <span class="preprocessor">#ifdef SPU_PROFILE</span>
<a name="l00076"></a>00076 <span class="preprocessor"></span>    end_dmawait_profile();
<a name="l00077"></a>00077 <span class="preprocessor">#endif</span>
<a name="l00078"></a>00078 <span class="preprocessor"></span>}
<a name="l00079"></a>00079 
<a name="l00080"></a>00080 <span class="keywordtype">void</span>
<a name="l00081"></a>00081 CellDmaManager::mail_write(uint32 data)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083     spu_write_out_mbox(data);
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085 
<a name="l00086"></a>00086 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>
<a name="l00087"></a>00087 CellDmaManager::mail_read(<span class="keywordtype">void</span>)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mail = spu_read_in_mbox();
<a name="l00090"></a>00090     <span class="keywordflow">return</span> mail;
<a name="l00091"></a>00091 }
<a name="l00092"></a>00092 
<a name="l00093"></a>00093 <span class="keywordtype">void</span>
<a name="l00094"></a>00094 CellDmaManager::dma_loadList(ListDataPtr list, <span class="keywordtype">void</span> *buff, uint32 mask)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096     mfc_getl(buff, 0, list-&gt;element, <span class="keyword">sizeof</span>(mfc_list_element_t)*list-&gt;length,
<a name="l00097"></a>00097              mask, 0, 0);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099 
<a name="l00100"></a>00100 <span class="keywordtype">void</span>
<a name="l00101"></a>00101 CellDmaManager::dma_storeList(ListDataPtr list, <span class="keywordtype">void</span> *buff, uint32 mask)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103     mfc_putl(buff, 0, list-&gt;element, <span class="keyword">sizeof</span>(mfc_list_element_t)*list-&gt;length,
<a name="l00104"></a>00104              mask, 0, 0);
<a name="l00105"></a>00105 }
</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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