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comparison spe/Dma.cc @ 0:68a98d68d62a

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author yutaka@localhost.localdomain
date Sun, 28 Mar 2010 19:47:00 +0900
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-1:000000000000 0:68a98d68d62a
1 #include <stdio.h>
2 #include <malloc.h>
3 #include <spu_intrinsics.h>
4 #include <spu_mfcio.h>
5 #include "Dma.h"
6
7 void
8 dma_get(void *buf, unsigned int addr, int size, int tag)
9 {
10
11 //printf("dma get sie %d\n",size);
12 mfc_get(buf, addr, size, tag, 0, 0);
13
14 }
15
16 void
17 dma_put(void *buf, unsigned int addr, int size, int tag)
18 {
19
20 mfc_put(buf, addr, size, tag, 0, 0);
21
22 }
23
24 int
25 dma_wait(int tag)
26 {
27
28 int dma_wait_time;
29
30 spu_writech(MFC_WrTagMask, 1 << tag);
31
32 spu_write_decrementer(0xFFFFFFFF);
33 dma_wait_time = spu_read_decrementer();
34
35 spu_mfcstat(MFC_TAG_UPDATE_ALL);
36
37 dma_wait_time = dma_wait_time - spu_read_decrementer();
38
39 return dma_wait_time;
40
41 }
42
43 int
44 dma_stat(int tag)
45 {
46
47 spu_writech(MFC_WrTagMask, 1 << tag);
48 return spu_mfcstat(MFC_TAG_UPDATE_IMMEDIATE);
49
50 }
51
52