Mercurial > hg > Game > Cerium
annotate TaskManager/kernel/ppe/CpuThreads.cc @ 1599:549d0961980b draft
fix
| author | one |
|---|---|
| date | Tue, 02 Apr 2013 19:01:35 +0900 |
| parents | 046695c73cb0 |
| children | 5b99bcc6bdb0 |
| rev | line source |
|---|---|
| 817 | 1 #include <stdlib.h> |
| 2 #include "types.h" | |
| 3 #include "CpuThreads.h" | |
| 1482 | 4 #ifdef __CERIUM_GPU__ |
| 5 #include "GpuThreads.h" | |
| 6 #endif | |
| 817 | 7 #include "MainScheduler.h" |
| 8 #include "SysFunc.h" | |
| 9 #include "SchedNop.h" | |
| 1179 | 10 #include "SpeTaskManagerImpl.h" |
| 1310 | 11 #include "CellScheduler.h" |
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12 #include <fcntl.h> |
| 1482 | 13 |
| 1310 | 14 SchedExternTask(ShowTime); |
| 15 SchedExternTask(StartProfile); | |
| 817 | 16 |
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17 CpuThreads::CpuThreads(int num, int useRefDma, int start_id) : cpu_num(num), use_refdma(useRefDma), id_offset(start_id){ |
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18 #ifdef __CERIUM_GPU__ |
| 1482 | 19 gpu = new GpuThreads(useRefDma); |
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20 #endif |
| 1181 | 21 threads = new pthread_t[cpu_num]; |
| 22 args = new cpu_thread_arg_t[cpu_num]; | |
| 1499 | 23 wait = new Sem(0); |
| 1181 | 24 |
| 25 } | |
| 817 | 26 |
| 27 CpuThreads::~CpuThreads() | |
| 28 { | |
| 29 memaddr mail = (memaddr)MY_SPE_COMMAND_EXIT; | |
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30 |
| 817 | 31 for (int i = 0; i < cpu_num; i++) { |
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32 send_mail(i+id_offset, 1, &mail); |
| 817 | 33 } |
| 34 | |
| 35 for (int i = 0; i < cpu_num; i++) { | |
| 1499 | 36 pthread_join(threads[i], NULL); |
| 37 } | |
| 1179 | 38 |
| 39 for (int i = 0; i < cpu_num; i++) { | |
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40 delete args[i].scheduler; |
| 817 | 41 } |
| 42 | |
| 43 delete [] threads; | |
| 44 delete [] args; | |
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45 #ifdef __CERIUM_GPU__ |
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46 delete gpu; |
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47 #endif |
| 817 | 48 } |
| 49 | |
| 50 void * | |
| 51 CpuThreads::cpu_thread_run(void *args) | |
| 52 { | |
| 53 cpu_thread_arg_t *argt = (cpu_thread_arg_t *) args; | |
| 54 Scheduler *c_scheduler = argt->scheduler; | |
| 55 | |
| 1179 | 56 TaskManagerImpl *manager = new SpeTaskManagerImpl(); |
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57 c_scheduler->init(manager,argt->useRefDma); |
| 1179 | 58 c_scheduler->id = (int)argt->cpuid; |
| 817 | 59 |
| 1179 | 60 manager->set_scheduler(c_scheduler); |
| 1310 | 61 SchedRegister(ShowTime); |
| 62 SchedRegister(StartProfile); | |
| 817 | 63 |
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64 argt->wait->sem_v(); //準備完了したスレッドができるたびに+1していく |
| 1181 | 65 |
| 817 | 66 c_scheduler->run(new SchedNop()); |
| 67 c_scheduler->finish(); | |
| 68 | |
| 69 return NULL; | |
| 70 } | |
| 71 | |
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72 |
| 817 | 73 void |
| 74 CpuThreads::init() | |
| 75 { | |
| 1482 | 76 #ifdef __CERIUM_GPU__ |
| 77 gpu->set_wait(wait); | |
| 78 gpu->init(); | |
| 79 wait->sem_p(); | |
| 80 #endif | |
| 81 | |
| 1499 | 82 for (int i = 0; i < cpu_num; i++) { |
| 83 args[i].cpuid = i + id_offset; | |
| 84 args[i].scheduler = new MainScheduler(); | |
| 85 args[i].wait = wait; | |
| 86 args[i].useRefDma = use_refdma; | |
| 87 } | |
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88 |
| 817 | 89 for (int i = 0; i < cpu_num; i++) { |
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90 pthread_create(&threads[i], NULL, |
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91 &cpu_thread_run, (void*)&args[i]); |
| 817 | 92 } |
| 93 | |
| 94 for (int i = 0; i < cpu_num; i++) { | |
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95 wait->sem_p(); |
| 817 | 96 } |
| 97 } | |
| 98 | |
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99 void |
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100 CpuThreads::set_NDRange(void *ndr) { |
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101 gpu->set_NDRange(ndr); |
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102 } |
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103 |
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104 void |
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105 CpuThreads::spawn_task(int cpu_num, TaskListPtr p) { |
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106 if (p->dim>0) { |
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107 int dim_count = (p->x+1)*(p->y+1)*(p->z+1); |
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108 if (cpu_num < dim_count) |
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109 p->self->flag.dim_count = cpu_num; |
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110 for (int i = 0; i < cpu_num; i++) { |
| 1599 | 111 send_mail(i+SPE_0,1,(memaddr*)&p); // i+min_cpu() |
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112 } |
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113 } else { |
| 1599 | 114 send_mail(cpu_num,1,(memaddr*)&p); |
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115 } |
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116 } |
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117 |
| 817 | 118 /** |
| 119 * このCPU からのメールを受信する。 | |
| 120 * | |
| 121 * @param [cpuid] SPE ID | |
| 122 * | |
| 123 * @return Received 32-bit mailbox messages | |
| 124 * if ([ret] < 0) no data read | |
| 125 */ | |
| 126 int | |
| 127 CpuThreads::get_mail(int cpuid, int count, memaddr *ret) | |
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128 { |
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129 #ifdef __CERIUM_GPU__ |
| 1499 | 130 if (is_gpu(cpuid)) return gpu->get_mail(cpuid, count, ret); |
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131 #endif |
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132 *ret = args[cpuid-id_offset].scheduler->mail_read_from_host(); |
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133 return 1; |
| 817 | 134 } |
| 135 | |
| 136 int | |
| 137 CpuThreads::has_mail(int cpuid, int count, memaddr *ret) | |
| 138 { | |
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139 #ifdef __CERIUM_GPU__ |
| 1499 | 140 if (is_gpu(cpuid)) return gpu->has_mail(cpuid, count, ret); |
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141 #endif |
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142 if (args[cpuid-id_offset].scheduler->has_mail_from_host() != 0) { |
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143 return get_mail(cpuid,count,ret); |
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144 } else { |
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145 return 0; //mailがないとき0を返す |
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146 } |
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147 |
| 817 | 148 } |
| 149 /** | |
| 150 * Inbound Mailbox | |
| 151 * メール送信 Front End -> CPU | |
| 152 * | |
| 153 * なるべく NONBLOCKING なんだけど、 | |
| 154 * Inbound Mailbox キューに空きがないと送信できないので | |
| 155 * 送信する数だけ空いているか確認してから送る。空いて無い場合は待つ。 | |
| 156 * | |
| 157 * 結局待つんだよな。しかも ALL_BLOCKING って実は busy wait だったりするし | |
| 158 * | |
| 159 * @param [cpuid] SPE ID | |
| 160 * @param [data] Send 32-bit mailbox messages | |
| 161 * @param [num] The number of messages | |
| 162 */ | |
| 163 void | |
| 164 CpuThreads::send_mail(int cpuid, int num, memaddr *data) | |
| 165 { | |
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166 #ifdef __CERIUM_GPU__ |
| 1499 | 167 if (is_gpu(cpuid)){ |
| 1481 | 168 gpu->send_mail(cpuid, num, data); |
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169 return; |
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170 } |
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171 #endif |
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172 args[cpuid-id_offset].scheduler->mail_write_from_host(*data); |
| 817 | 173 } |
| 174 | |
| 1179 | 175 void |
| 176 CpuThreads::add_output_tasklist(int command, memaddr buff, int alloc_size) | |
| 177 { | |
| 178 /* | |
| 179 * output TaskList が無ければ新しく作る | |
| 180 * あれば TaskList に allocate した Task を追加 | |
| 181 * command に対応した Task の初期化を実行する | |
| 182 * SPE に data が書き出し終わった後に PPE 側で初期化 | |
| 183 */ | |
| 184 } | |
| 817 | 185 |
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186 //GPUなら1を返す |
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187 int |
| 1499 | 188 CpuThreads::is_gpu(int cpuid) |
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189 { |
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190 if ( cpuid < id_offset ) { |
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191 return 1; |
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192 } else { |
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193 return 0; |
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194 } |
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195 } |
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196 |
| 817 | 197 /* end */ |