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annotate TaskManager/Cell/spe/CellDmaManager.cc @ 271:f872cc000fe0

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merge
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 04 Jun 2009 00:06:37 +0900
parents 0f3acc4080a8 6bb8725e60ae
children 3e9c0039e15c
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1 #include <stdio.h>
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2 #include <stdlib.h>
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3 #include "CellDmaManager.h"
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4
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5 unsigned int CellDmaManager::wait_time, CellDmaManager::busy_time;
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6 unsigned long long CellDmaManager::global_busy_time, CellDmaManager::global_wait_time;
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7
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8 /**
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9 * DMA Load
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10 *
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11 * @param[in] buf Buffer of Load Data
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12 * @param[in] addr Address of Load Data at Main Memory
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13 * @param[in] size Size of Load Data
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14 * @param[in] mask DMA tag
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15 */
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16 void
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17 CellDmaManager::dma_load(void *buf, uint32 addr, uint32 size, uint32 mask)
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18 {
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19 if (size == 0) return ;
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20 mfc_get((volatile void *)buf, addr, size, mask, 0, 0);
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21 }
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22
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23 /**
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24 * DMA Store
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25 *
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26 * @param[in] buf Buffer of Store Data at SPE
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27 * @param[in] addr Address of Store Data at Main Memory
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28 * @param[in] size Size of Store Data
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29 * @param[in] mask DMA tag
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30 */
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31 void
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32 CellDmaManager::dma_store(void *buf, uint32 addr, uint32 size, uint32 mask)
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33 {
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34 if (size == 0) return ;
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35 mfc_put((volatile void *)buf, addr, size, mask, 0, 0);
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36 }
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37
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38 /**
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39 * DMA Wait
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40 *
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41 * @param[in] mask Tag for Wait DMA process
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42 */
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43
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44 static void
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45 CellDmaManager::start_dmawait_profile()
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46 {
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47 wait_time = spu_readch(SPU_RdDec);
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48 // global 変数にする
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49 global_busy_time += busy_time - wait_time;
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50 spu_writech(SPU_WrDec, 0xffffffff);
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51 }
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52
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53 static void
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54 CellDmaManager::end_dmawait_profile()
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55 {
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56 wait_time = spu_readch(SPU_RdDec);
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57 // global 変数にする
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58 global_wait_time += 0xffffffff - wait_time;
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59 busy_time = wait_time;
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60 }
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61
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62 // ここでプリント、ppu側から Task にして投げる
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63 void
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64 CellDmaManager::print_wait()
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65 {
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66 }
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67
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68 void
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69 CellDmaManager::show_dma_wait(int cpu)
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70 {
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71
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72 printf("spu%d: global_wait_time = %lld\n",cpu, global_wait_time);
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73 printf("spu%d: global_busy_time = %lld\n",cpu, global_busy_time);
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74 printf("spu%d: busy_ratio = %g%%\n",cpu,
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75 ((double)global_busy_time)/((double)(global_busy_time+global_wait_time))*100.0);
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76 }
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77
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78 void
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79 CellDmaManager::dma_wait(uint32 mask)
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80 {
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81 #ifdef SPU_PROFILE
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82 start_dmawait_profile();
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83 #endif
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84 mfc_write_tag_mask(1 << mask);
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85 mfc_write_tag_update_all();
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86 mfc_read_tag_status();
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87 #ifdef SPU_PROFILE
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88 end_dmawait_profile();
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89 #endif
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90 }
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91
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92 void
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93 CellDmaManager::mail_write(uint32 data)
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94 {
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95 spu_write_out_mbox(data);
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96 }
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97
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98 unsigned int
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99 CellDmaManager::mail_read(void)
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100 {
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101 unsigned int mail = spu_read_in_mbox();
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102 return mail;
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103 }
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104
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105 void
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106 CellDmaManager::dma_loadList(ListDataPtr list, void *buff, uint32 mask)
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107 {
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108 mfc_getl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
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109 mask, 0, 0);
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110 }
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111
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112 void
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113 CellDmaManager::dma_storeList(ListDataPtr list, void *buff, uint32 mask)
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114 {
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115 mfc_putl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
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116 mask, 0, 0);
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117 }