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59
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1 #include <spu_mfcio.h>
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2 #include "CellDmaManager.h"
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3
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4 void
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5 CellDmaManager::dma_load(void *buf, unsigned int addr, int size, int mask)
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6 {
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7 if (buf == NULL || (void*)addr == NULL) return;
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8 spu_mfcdma32(buf, addr, ROUND_UP_ALIGN(size, DEFAULT_ALIGNMENT),
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9 mask, MFC_GET_CMD);
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10 }
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11
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12 void
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13 CellDmaManager::dma_store(void *buf, unsigned int addr, int size, int mask)
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14 {
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15 if (buf == NULL || (void*)addr == NULL) return;
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16 spu_mfcdma32(buf, addr, ROUND_UP_ALIGN(size, DEFAULT_ALIGNMENT),
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17 mask, MFC_PUT_CMD);
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18 }
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19
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20 /**
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21 * mask で設定した DMA 転送の完了を待つ
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22 */
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23 void
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24 CellDmaManager::dma_wait(int mask)
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25 {
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26 spu_writech(MFC_WrTagMask, 1 << mask);
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27 spu_mfcstat(MFC_TAG_UPDATE_ALL);
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28 }
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29
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30 void
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31 CellDmaManager::mail_write(unsigned int data)
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32 {
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33 spu_writech(SPU_WrOutMbox, data);
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34 }
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35
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36 unsigned int
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37 CellDmaManager::mail_read(void)
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38 {
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39 return spu_readch(SPU_RdInMbox);
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40 }
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