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date Fri, 05 Jun 2009 18:16:31 +0900
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21 <h1>CellDmaManager.cc</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
22 <a name="l00002"></a>00002 <span class="preprocessor">#include &lt;stdlib.h&gt;</span>
23 <a name="l00003"></a>00003 <span class="preprocessor">#include "CellDmaManager.h"</span>
24 <a name="l00004"></a>00004
25 <a name="l00013"></a>00013 <span class="keywordtype">void</span>
26 <a name="l00014"></a>00014 CellDmaManager::dma_load(<span class="keywordtype">void</span> *buf, uint32 addr, uint32 size, uint32 mask)
27 <a name="l00015"></a>00015 {
28 <a name="l00016"></a>00016 <span class="keywordflow">if</span> (size == 0) return ;
29 <a name="l00017"></a>00017 mfc_get((<span class="keyword">volatile</span> <span class="keywordtype">void</span> *)buf, addr, size, mask, 0, 0);
30 <a name="l00018"></a>00018 }
31 <a name="l00019"></a>00019
32 <a name="l00028"></a>00028 <span class="keywordtype">void</span>
33 <a name="l00029"></a>00029 CellDmaManager::dma_store(<span class="keywordtype">void</span> *buf, uint32 addr, uint32 size, uint32 mask)
34 <a name="l00030"></a>00030 {
35 <a name="l00031"></a>00031 <span class="keywordflow">if</span> (size == 0) return ;
36 <a name="l00032"></a>00032 mfc_put((<span class="keyword">volatile</span> <span class="keywordtype">void</span> *)buf, addr, size, mask, 0, 0);
37 <a name="l00033"></a>00033 }
38 <a name="l00034"></a>00034
39 <a name="l00040"></a>00040 <span class="keywordtype">void</span>
40 <a name="l00041"></a>00041 CellDmaManager::start_dmawait_profile()
41 <a name="l00042"></a>00042 {
42 <a name="l00043"></a>00043 wait_time = spu_readch(SPU_RdDec);
43 <a name="l00044"></a>00044 global_busy_time += busy_time - wait_time;
44 <a name="l00045"></a>00045 spu_writech(SPU_WrDec, 0xffffffff);
45 <a name="l00046"></a>00046 }
46 <a name="l00047"></a>00047
47 <a name="l00048"></a>00048 <span class="keywordtype">void</span>
48 <a name="l00049"></a>00049 CellDmaManager::end_dmawait_profile()
49 <a name="l00050"></a>00050 {
50 <a name="l00051"></a>00051 wait_time = spu_readch(SPU_RdDec);
51 <a name="l00052"></a>00052 global_wait_time += 0xffffffff - wait_time;
52 <a name="l00053"></a>00053 busy_time = wait_time;
53 <a name="l00054"></a>00054 }
54 <a name="l00055"></a>00055
55 <a name="l00056"></a>00056 <span class="keywordtype">void</span>
56 <a name="l00057"></a>00057 CellDmaManager::show_dma_wait(<span class="keywordtype">int</span> cpu)
57 <a name="l00058"></a>00058 {
58 <a name="l00059"></a>00059
59 <a name="l00060"></a>00060 printf(<span class="stringliteral">"spu%d: global_wait_time = %lld\n"</span>,cpu, global_wait_time);
60 <a name="l00061"></a>00061 printf(<span class="stringliteral">"spu%d: global_busy_time = %lld\n"</span>,cpu, global_busy_time);
61 <a name="l00062"></a>00062 printf(<span class="stringliteral">"spu%d: busy_ratio = %g%%\n"</span>,cpu,
62 <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);
63 <a name="l00064"></a>00064 }
64 <a name="l00065"></a>00065
65 <a name="l00066"></a>00066 <span class="keywordtype">void</span>
66 <a name="l00067"></a>00067 CellDmaManager::dma_wait(uint32 mask)
67 <a name="l00068"></a>00068 {
68 <a name="l00069"></a>00069 <span class="preprocessor">#ifdef SPU_PROFILE</span>
69 <a name="l00070"></a>00070 <span class="preprocessor"></span> start_dmawait_profile();
70 <a name="l00071"></a>00071 <span class="preprocessor">#endif</span>
71 <a name="l00072"></a>00072 <span class="preprocessor"></span> mfc_write_tag_mask(1 &lt;&lt; mask);
72 <a name="l00073"></a>00073 mfc_write_tag_update_all();
73 <a name="l00074"></a>00074 mfc_read_tag_status();
74 <a name="l00075"></a>00075 <span class="preprocessor">#ifdef SPU_PROFILE</span>
75 <a name="l00076"></a>00076 <span class="preprocessor"></span> end_dmawait_profile();
76 <a name="l00077"></a>00077 <span class="preprocessor">#endif</span>
77 <a name="l00078"></a>00078 <span class="preprocessor"></span>}
78 <a name="l00079"></a>00079
79 <a name="l00080"></a>00080 <span class="keywordtype">void</span>
80 <a name="l00081"></a>00081 CellDmaManager::mail_write(uint32 data)
81 <a name="l00082"></a>00082 {
82 <a name="l00083"></a>00083 spu_write_out_mbox(data);
83 <a name="l00084"></a>00084 }
84 <a name="l00085"></a>00085
85 <a name="l00086"></a>00086 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>
86 <a name="l00087"></a>00087 CellDmaManager::mail_read(<span class="keywordtype">void</span>)
87 <a name="l00088"></a>00088 {
88 <a name="l00089"></a>00089 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mail = spu_read_in_mbox();
89 <a name="l00090"></a>00090 <span class="keywordflow">return</span> mail;
90 <a name="l00091"></a>00091 }
91 <a name="l00092"></a>00092
92 <a name="l00093"></a>00093 <span class="keywordtype">void</span>
93 <a name="l00094"></a>00094 CellDmaManager::dma_loadList(ListDataPtr list, <span class="keywordtype">void</span> *buff, uint32 mask)
94 <a name="l00095"></a>00095 {
95 <a name="l00096"></a>00096 mfc_getl(buff, 0, list-&gt;element, <span class="keyword">sizeof</span>(mfc_list_element_t)*list-&gt;length,
96 <a name="l00097"></a>00097 mask, 0, 0);
97 <a name="l00098"></a>00098 }
98 <a name="l00099"></a>00099
99 <a name="l00100"></a>00100 <span class="keywordtype">void</span>
100 <a name="l00101"></a>00101 CellDmaManager::dma_storeList(ListDataPtr list, <span class="keywordtype">void</span> *buff, uint32 mask)
101 <a name="l00102"></a>00102 {
102 <a name="l00103"></a>00103 mfc_putl(buff, 0, list-&gt;element, <span class="keyword">sizeof</span>(mfc_list_element_t)*list-&gt;length,
103 <a name="l00104"></a>00104 mask, 0, 0);
104 <a name="l00105"></a>00105 }
105 </pre></div></div>
106 <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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