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61
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1 #include <stdio.h>
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88
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2 #include <stdlib.h>
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3 #include <malloc.h>
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59
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4 #include "CellDmaManager.h"
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5
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6 void
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88
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7 CellDmaManager::dma_load(void *buf, uint32 addr, uint32 size, uint32 mask)
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59
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8 {
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88
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9 if (size == 0) return ;
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109
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10 spu_mfcdma32(buf, addr, size, mask, MFC_GET_CMD);
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59
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11 }
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12
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13 void
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88
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14 CellDmaManager::dma_store(void *buf, uint32 addr, uint32 size, uint32 mask)
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59
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15 {
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16 if (size == 0) return ;
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109
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17 spu_mfcdma32(buf, addr, size, mask, MFC_PUT_CMD);
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18
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19 //spu_mfcdma32(buf, addr, ROUND_UP_ALIGN(size, DEFAULT_ALIGNMENT),
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59
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20 }
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21
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22 /**
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23 * mask で設定した DMA 転送の完了を待つ
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24 */
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25 void
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88
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26 CellDmaManager::dma_wait(uint32 mask)
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59
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27 {
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28 spu_writech(MFC_WrTagMask, 1 << mask);
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29 spu_mfcstat(MFC_TAG_UPDATE_ALL);
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30 }
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31
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32 void
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33 CellDmaManager::mail_write(uint32 data)
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59
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34 {
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35 spu_writech(SPU_WrOutMbox, data);
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36 }
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37
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38 unsigned int
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39 CellDmaManager::mail_read(void)
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40 {
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109
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41 unsigned int mail = spu_readch(SPU_RdInMbox);
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42 return mail;
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43 }
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44
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45 void
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46 CellDmaManager::dma_loadList(ListDataPtr list, void *buff, uint32 mask)
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47 {
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48 mfc_getl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
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49 mask, 0, 0);
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59
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50 }
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88
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51
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52 void
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109
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53 CellDmaManager::dma_storeList(ListDataPtr list, void *buff, uint32 mask)
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88
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54 {
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109
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55 mfc_putl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
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56 mask, 0, 0);
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57 }
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58
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88
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59
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109
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60 #if 0
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61 /**
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62 * dma_loadList の前ばーじょn
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63 */
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88
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64
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65 void**
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66 CellDmaManager::dmaList_load(uint32 mask)
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67 {
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68 int index = buff_index[buff_flag];
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69 DmaListPtr queue = dmaQueue[buff_flag];
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70 mfc_list_element_t *mfc_list = mfcList[buff_flag];
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71
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72 void **buffList;
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73 void *buff;
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74 int bound;
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75 int total_size = 0;
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76
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77 mfc_list = (mfc_list_element_t *)malloc(sizeof(mfc_list_element_t)*index);
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78
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79 for (int i = 0; i < index; i++) {
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80 mfc_list[i].notify = 0;
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81 mfc_list[i].reserved = 0;
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82 mfc_list[i].size = queue[i].size;
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83 mfc_list[i].eal = queue[i].addr;
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84 total_size += queue[i].size;
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85 }
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86
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87 //----------------------------------------------------------------
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88 // list element が n 個ある場合の buff, buffList の構造
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89 //
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90 // +---------------+---------------+--------+-----------------+
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91 // buff | queue[0].size | queue[1].size | ...... | queue[n-1].size |
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92 // +---------------+---------------+--------+-----------------+
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93 // ^ ^ ^ ^
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94 // | | | |
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95 // buffList[0] buffList[1] buffList[2] buffList[n-1]
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96 //----------------------------------------------------------------
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97
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98 buff = memalign(DEFAULT_ALIGNMENT, total_size);
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99 buffList = (void**)malloc(index);
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100
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101 bound = (int)buff;
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102 buffList[0] = (void*)bound;
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103 for (int i = 1; i < index; i++) {
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104 bound += queue[i-1].size;
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105 buffList[i] = (void*)bound;
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106 }
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107
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108 mfc_getl(buff, 0, mfc_list, sizeof(mfc_list_element_t), mask, 0, 0);
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109 dma_wait(mask);
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110
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111 _buffList[buff_flag] = buffList;
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112 _buff[buff_flag] = buff;
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113
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114 return buffList;
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115 }
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109
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116 #endif
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