Mercurial > hg > Game > Cerium

annotate TaskManager/Cell/spe/CellDmaManager.cc @ 240:b1cfa1c19662 draft

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fix
author k098586@localhost.localdomain
date Fri, 29 May 2009 15:45:09 +0900
parents 7e083e9b76b9
children 23e76c5369b7
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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 /**
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6 * DMA Load
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7 *
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8 * @param[in] buf Buffer of Load Data
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9 * @param[in] addr Address of Load Data at Main Memory
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10 * @param[in] size Size of Load Data
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11 * @param[in] mask DMA tag
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12 */
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13 void
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14 CellDmaManager::dma_load(void *buf, uint32 addr, uint32 size, uint32 mask)
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15 {
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16 if (size == 0) return ;
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17 mfc_get((volatile void *)buf, addr, size, mask, 0, 0);
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18 }
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19
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20 /**
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21 * DMA Store
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22 *
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23 * @param[in] buf Buffer of Store Data at SPE
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24 * @param[in] addr Address of Store Data at Main Memory
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25 * @param[in] size Size of Store Data
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26 * @param[in] mask DMA tag
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27 */
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28 void
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29 CellDmaManager::dma_store(void *buf, uint32 addr, uint32 size, uint32 mask)
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30 {
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31 if (size == 0) return ;
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32 mfc_put((volatile void *)buf, addr, size, mask, 0, 0);
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33 }
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34
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35 /**
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36 * DMA Wait
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37 *
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38 * @param[in] mask Tag for Wait DMA process
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39 */
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40
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41 void
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42 CellDmaManager::dma_wait(uint32 mask)
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43 {
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44 mfc_write_tag_mask(1 << mask);
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45 mfc_write_tag_update_all();
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46 mfc_read_tag_status();
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47 }
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48
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49 void
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50 CellDmaManager::mail_write(uint32 data)
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51 {
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52 spu_write_out_mbox(data);
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53 }
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54
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55 unsigned int
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56 CellDmaManager::mail_read(void)
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57 {
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58 unsigned int mail = spu_read_in_mbox();
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59 return mail;
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60 }
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62 void
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63 CellDmaManager::dma_loadList(ListDataPtr list, void *buff, uint32 mask)
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64 {
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65 mfc_getl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
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66 mask, 0, 0);
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67 }
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69 void
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70 CellDmaManager::dma_storeList(ListDataPtr list, void *buff, uint32 mask)
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71 {
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72 mfc_putl(buff, 0, list->element, sizeof(mfc_list_element_t)*list->length,
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73 mask, 0, 0);
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74 }