Planet

navi

home

PPS

about

screenshots

download

development

forum

Context Navigation

source: code/branches/physics/src/bullet/BulletMultiThreaded/SpuFakeDma.h @ 1966

Last change on this file since 1966 was 1966, checked in by rgrieder, 16 years ago
Let's go for multithreaded physics!
Property svn:eol-style set to `native`
File size: 7.9 KB

Line
1
2	#ifndef FAKE_DMA_H
3	#define FAKE_DMA_H
4
5
6	#include "PlatformDefinitions.h"
7	#include "LinearMath/btScalar.h"
8
9
10	#ifdef __SPU__
11
12	#ifndef USE_LIBSPE2
13
14	#include <cell/dma.h>
15	#include <stdint.h>
16
17	#define DMA_TAG(xfer) (xfer + 1)
18	#define DMA_MASK(xfer) (1 << DMA_TAG(xfer))
19
20	#else // !USE_LIBSPE2
21
22	#define DMA_TAG(xfer) (xfer + 1)
23	#define DMA_MASK(xfer) (1 << DMA_TAG(xfer))
24
25	#include <spu_mfcio.h>
26
27	#define DEBUG_DMA
28	#ifdef DEBUG_DMA
29	#define dUASSERT(a,b) if (!(a)) { printf(b);}
30	#define uintsize ppu_address_t
31
32	#define cellDmaLargeGet(ls, ea, size, tag, tid, rid) if ( (((uintsize)ls%16) != ((uintsize)ea%16)) \|\| ((((uintsize)ea%16) \|\| ((uintsize)ls%16)) && (( ((uintsize)ls%16) != ((uintsize)size%16) ) \|\| ( ((uintsize)ea%16) != ((uintsize)size%16) ) ) ) \|\| ( ((uintsize)size%16) && ((uintsize)size!=1) && ((uintsize)size!=2) && ((uintsize)size!=4) && ((uintsize)size!=8) ) \|\| (size >= 16384) \|\| !(uintsize)ls \|\| !(uintsize)ea) { \
33	dUASSERT( (((uintsize)ea % 16) == 0) \|\| (size < 16), "XDR Address not aligned: "); \
34	dUASSERT( (((uintsize)ls % 16) == 0) \|\| (size < 16), "LS Address not aligned: "); \
35	dUASSERT( ((((uintsize)ls % size) == 0) && (((uintsize)ea % size) == 0)) \|\| (size > 16), "Not naturally aligned: "); \
36	dUASSERT((size == 1) \|\| (size == 2) \|\| (size == 4) \|\| (size == 8) \|\| ((size % 16) == 0), "size not a multiple of 16byte: "); \
37	dUASSERT(size < 16384, "size too big: "); \
38	dUASSERT( ((uintsize)ea%16)==((uintsize)ls%16), "wrong Quadword alignment of LS and EA: "); \
39	dUASSERT(ea != 0, "Nullpointer EA: "); dUASSERT(ls != 0, "Nullpointer LS: ");\
40	printf("GET %s:%d from: 0x%x, to: 0x%x - %d bytes\n", __FILE__, __LINE__, (unsigned int)ea,(unsigned int)ls,(unsigned int)size);\
41	} \
42	mfc_get(ls, ea, size, tag, tid, rid)
43	#define cellDmaGet(ls, ea, size, tag, tid, rid) if ( (((uintsize)ls%16) != ((uintsize)ea%16)) \|\| ((((uintsize)ea%16) \|\| ((uintsize)ls%16)) && (( ((uintsize)ls%16) != ((uintsize)size%16) ) \|\| ( ((uintsize)ea%16) != ((uintsize)size%16) ) ) ) \|\| ( ((uintsize)size%16) && ((uintsize)size!=1) && ((uintsize)size!=2) && ((uintsize)size!=4) && ((uintsize)size!=8) ) \|\| (size >= 16384) \|\| !(uintsize)ls \|\| !(uintsize)ea) { \
44	dUASSERT( (((uintsize)ea % 16) == 0) \|\| (size < 16), "XDR Address not aligned: "); \
45	dUASSERT( (((uintsize)ls % 16) == 0) \|\| (size < 16), "LS Address not aligned: "); \
46	dUASSERT( ((((uintsize)ls % size) == 0) && (((uintsize)ea % size) == 0)) \|\| (size > 16), "Not naturally aligned: "); \
47	dUASSERT((size == 1) \|\| (size == 2) \|\| (size == 4) \|\| (size == 8) \|\| ((size % 16) == 0), "size not a multiple of 16byte: "); \
48	dUASSERT(size < 16384, "size too big: "); \
49	dUASSERT( ((uintsize)ea%16)==((uintsize)ls%16), "wrong Quadword alignment of LS and EA: "); \
50	dUASSERT(ea != 0, "Nullpointer EA: "); dUASSERT(ls != 0, "Nullpointer LS: ");\
51	printf("GET %s:%d from: 0x%x, to: 0x%x - %d bytes\n", __FILE__, __LINE__, (unsigned int)ea,(unsigned int)ls,(unsigned int)size);\
52	} \
53	mfc_get(ls, ea, size, tag, tid, rid)
54	#define cellDmaLargePut(ls, ea, size, tag, tid, rid) if ( (((uintsize)ls%16) != ((uintsize)ea%16)) \|\| ((((uintsize)ea%16) \|\| ((uintsize)ls%16)) && (( ((uintsize)ls%16) != ((uintsize)size%16) ) \|\| ( ((uintsize)ea%16) != ((uintsize)size%16) ) ) ) \|\| ( ((uintsize)size%16) && ((uintsize)size!=1) && ((uintsize)size!=2) && ((uintsize)size!=4) && ((uintsize)size!=8) ) \|\| (size >= 16384) \|\| !(uintsize)ls \|\| !(uintsize)ea) { \
55	dUASSERT( (((uintsize)ea % 16) == 0) \|\| (size < 16), "XDR Address not aligned: "); \
56	dUASSERT( (((uintsize)ls % 16) == 0) \|\| (size < 16), "LS Address not aligned: "); \
57	dUASSERT( ((((uintsize)ls % size) == 0) && (((uintsize)ea % size) == 0)) \|\| (size > 16), "Not naturally aligned: "); \
58	dUASSERT((size == 1) \|\| (size == 2) \|\| (size == 4) \|\| (size == 8) \|\| ((size % 16) == 0), "size not a multiple of 16byte: "); \
59	dUASSERT(size < 16384, "size too big: "); \
60	dUASSERT( ((uintsize)ea%16)==((uintsize)ls%16), "wrong Quadword alignment of LS and EA: "); \
61	dUASSERT(ea != 0, "Nullpointer EA: "); dUASSERT(ls != 0, "Nullpointer LS: ");\
62	printf("PUT %s:%d from: 0x%x, to: 0x%x - %d bytes\n", __FILE__, __LINE__, (unsigned int)ls,(unsigned int)ea,(unsigned int)size); \
63	} \
64	mfc_put(ls, ea, size, tag, tid, rid)
65	#define cellDmaSmallGet(ls, ea, size, tag, tid, rid) if ( (((uintsize)ls%16) != ((uintsize)ea%16)) \|\| ((((uintsize)ea%16) \|\| ((uintsize)ls%16)) && (( ((uintsize)ls%16) != ((uintsize)size%16) ) \|\| ( ((uintsize)ea%16) != ((uintsize)size%16) ) ) ) \|\| ( ((uintsize)size%16) && ((uintsize)size!=1) && ((uintsize)size!=2) && ((uintsize)size!=4) && ((uintsize)size!=8) ) \|\| (size >= 16384) \|\| !(uintsize)ls \|\| !(uintsize)ea) { \
66	dUASSERT( (((uintsize)ea % 16) == 0) \|\| (size < 16), "XDR Address not aligned: "); \
67	dUASSERT( (((uintsize)ls % 16) == 0) \|\| (size < 16), "LS Address not aligned: "); \
68	dUASSERT( ((((uintsize)ls % size) == 0) && (((uintsize)ea % size) == 0)) \|\| (size > 16), "Not naturally aligned: "); \
69	dUASSERT((size == 1) \|\| (size == 2) \|\| (size == 4) \|\| (size == 8) \|\| ((size % 16) == 0), "size not a multiple of 16byte: "); \
70	dUASSERT(size < 16384, "size too big: "); \
71	dUASSERT( ((uintsize)ea%16)==((uintsize)ls%16), "wrong Quadword alignment of LS and EA: "); \
72	dUASSERT(ea != 0, "Nullpointer EA: "); dUASSERT(ls != 0, "Nullpointer LS: ");\
73	printf("GET %s:%d from: 0x%x, to: 0x%x - %d bytes\n", __FILE__, __LINE__, (unsigned int)ea,(unsigned int)ls,(unsigned int)size);\
74	} \
75	mfc_get(ls, ea, size, tag, tid, rid)
76	#define cellDmaWaitTagStatusAll(ignore) mfc_write_tag_mask(ignore) ; mfc_read_tag_status_all()
77
78	#else
79	#define cellDmaLargeGet(ls, ea, size, tag, tid, rid) mfc_get(ls, ea, size, tag, tid, rid)
80	#define cellDmaGet(ls, ea, size, tag, tid, rid) mfc_get(ls, ea, size, tag, tid, rid)
81	#define cellDmaLargePut(ls, ea, size, tag, tid, rid) mfc_put(ls, ea, size, tag, tid, rid)
82	#define cellDmaSmallGet(ls, ea, size, tag, tid, rid) mfc_get(ls, ea, size, tag, tid, rid)
83	#define cellDmaWaitTagStatusAll(ignore) mfc_write_tag_mask(ignore) ; mfc_read_tag_status_all()
84	#endif // DEBUG_DMA
85
86
87
88
89
90
91
92
93	#endif // USE_LIBSPE2
94	#else // !__SPU__
95	//Simulate DMA using memcpy or direct access on non-CELL platforms that don't have DMAs and SPUs (Win32, Mac, Linux etc)
96	//Potential to add networked simulation using this interface
97
98	#define DMA_TAG(a) (a)
99	#define DMA_MASK(a) (a)
100
101	/// cellDmaLargeGet Win32 replacements for Cell DMA to allow simulating most of the SPU code (just memcpy)
102	int cellDmaLargeGet(void *ls, uint64_t ea, uint32_t size, uint32_t tag, uint32_t tid, uint32_t rid);
103	int cellDmaGet(void *ls, uint64_t ea, uint32_t size, uint32_t tag, uint32_t tid, uint32_t rid);
104	/// cellDmaLargePut Win32 replacements for Cell DMA to allow simulating most of the SPU code (just memcpy)
105	int cellDmaLargePut(const void *ls, uint64_t ea, uint32_t size, uint32_t tag, uint32_t tid, uint32_t rid);
106	/// cellDmaWaitTagStatusAll Win32 replacements for Cell DMA to allow simulating most of the SPU code (just memcpy)
107	void cellDmaWaitTagStatusAll(int ignore);
108
109
110	#endif //__CELLOS_LV2__
111
112	///stallingUnalignedDmaSmallGet internally uses DMA_TAG(1)
113	int stallingUnalignedDmaSmallGet(void *ls, uint64_t ea, uint32_t size);
114
115
116	void* cellDmaLargeGetReadOnly(void *ls, uint64_t ea, uint32_t size, uint32_t tag, uint32_t tid, uint32_t rid);
117	void* cellDmaGetReadOnly(void *ls, uint64_t ea, uint32_t size, uint32_t tag, uint32_t tid, uint32_t rid);
118	void* cellDmaSmallGetReadOnly(void *ls, uint64_t ea, uint32_t size, uint32_t tag, uint32_t tid, uint32_t rid);
119
120
121	#endif //FAKE_DMA_H

Note: See TracBrowser for help on using the repository browser.

Download in other formats: