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<title>MPI On Cell (Documentation): src/ppu/internal/dma/imoc_dma-test_ppu.c Source File</title>
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<h1>src/ppu/internal/dma/imoc_dma-test_ppu.c</h1><a href="../../d4/d5b/imoc__dma-test__ppu_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include <string.h></span>
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<a name="l00002"></a>00002 <span class="preprocessor">#include <stdint.h></span>
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<a name="l00003"></a>00003 <span class="preprocessor">#include <free_align.h></span>
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<a name="l00004"></a>00004
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<a name="l00005"></a>00005 <span class="preprocessor">#include <<a class="code" href="../../d0/d3a/spu_2moc_8h.html">moc.h</a>></span>
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<a name="l00006"></a>00006 <span class="preprocessor">#include <<a class="code" href="../../d6/d09/imoc__core__ppu_8h.html">internal/ppu/imoc_core_ppu.h</a>></span>
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<a name="l00007"></a>00007 <span class="preprocessor">#include <<a class="code" href="../../de/df9/imoc__dma__ppu_8h.html">internal/ppu/imoc_dma_ppu.h</a>></span>
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<a name="l00008"></a>00008
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<a name="l00009"></a><a class="code" href="../../d2/de2/group__internal__p2p__dma.html#gdc3d91a083a9dc3aa539aee4d56616f0">00009</a> <span class="keywordtype">int</span> <a class="code" href="../../d2/de2/group__internal__p2p__dma.html#gdc3d91a083a9dc3aa539aee4d56616f0" title="Tests if a IMOC_iget_data or IMOC_iput_data is completed.">IMOC_test_dma</a>(<a class="code" href="../../d4/da3/structimoc__dma__request__struct.html">imoc_dma_request</a>* request, <span class="keywordtype">int</span> *flag)
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<a name="l00010"></a>00010 {
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<a name="l00011"></a>00011 uint32_t dmastatus;
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<a name="l00012"></a>00012 <span class="keywordtype">int</span> err;
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<a name="l00013"></a>00013 err = spe_mfcio_tag_status_read(<a class="code" href="../../dc/df1/group__internal__spu__thread.html#ga5b74732b1e31ec1674ea0e5ae465c4e" title="array of SPU-Threads.">moc_spu_thread_list</a>[request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#f81a1887a3f1aa7f965e1fb15e2220de">dest</a>
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<a name="l00014"></a>00014 - <a class="code" href="../../dc/df1/group__internal__spu__thread.html#gf4270da4dbf663fde50a876067ed0d52" title="actual number of PPU-Threads.">moc_ppu_thread_count</a>].<a class="code" href="../../d1/d8b/structmoc__spu__thread__struct.html#61d6807e3bab9b37ef07b0543e33574e" title="SPE-Context.">speid</a>, 0, SPE_TAG_IMMEDIATE, &dmastatus);
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<a name="l00015"></a>00015 <span class="keywordflow">if</span> (err)
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<a name="l00016"></a>00016 <span class="keywordflow">return</span> <a class="code" href="../../d8/da1/group__environment__error.html#g05b3a70831c823a59014c4853a76ca7e" title="Internal MOC (implementation) error.">MOC_ERR_INTERN</a>;
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<a name="l00017"></a>00017
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<a name="l00018"></a>00018 <span class="keywordflow">if</span> (dmastatus == (1 << request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#93345f8438f78d7a0309b4b0b0670476">tag_id</a>)) <span class="comment">// dma transfer not finished</span>
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<a name="l00019"></a>00019 *flag = 0;
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<a name="l00020"></a>00020 <span class="keywordflow">else</span> <span class="comment">// dma transfer finished</span>
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<a name="l00021"></a>00021 {
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<a name="l00022"></a>00022 <span class="keywordflow">if</span> (request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#e9940544a153813fd1284eaa8883a1f2">remainder</a> != 0) <span class="comment">// check if buffer was used and copy back data from there to target</span>
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<a name="l00023"></a>00023 {
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<a name="l00024"></a>00024 memcpy(request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#aab928f79935740e686706a1296b01a9">target</a> + request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#8322ab9ff0dbd0be788bf765f3e85e94">size</a>, request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#efdb405d93fc52fbe483551e3bbaafac">buffer</a>,
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<a name="l00025"></a>00025 request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#e9940544a153813fd1284eaa8883a1f2">remainder</a>);
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<a name="l00026"></a>00026 _free_align(request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#efdb405d93fc52fbe483551e3bbaafac">buffer</a>);
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<a name="l00027"></a>00027 }
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<a name="l00028"></a>00028 *flag = 1;
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<a name="l00029"></a>00029 <a class="code" href="../../d2/de2/group__internal__p2p__dma.html#gf465203c58c5a8066a7ef3ee91b15cec" title="Releases a reserved tag.">moc_tag_release</a>(request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#f81a1887a3f1aa7f965e1fb15e2220de">dest</a> - <a class="code" href="../../dc/df1/group__internal__spu__thread.html#gf4270da4dbf663fde50a876067ed0d52" title="actual number of PPU-Threads.">moc_ppu_thread_count</a>, request-><a class="code" href="../../d4/da3/structimoc__dma__request__struct.html#93345f8438f78d7a0309b4b0b0670476">tag_id</a>);
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<a name="l00030"></a>00030 }
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<a name="l00031"></a>00031
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<a name="l00032"></a>00032 <span class="keywordflow">return</span> <a class="code" href="../../d8/da1/group__environment__error.html#g8a73ed6676bcf0c0607d98482ca1aca4" title="No error.">MOC_SUCCESS</a>;
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<a name="l00033"></a>00033 }
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</pre></div></div>
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