Imported Upstream version 3.2.2
[debian/gnuradio] / gcell / ibm / sync / spu_source / sync_utils.h
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40 /* PROLOG END TAG zYx                                              */
41 /*
42  * sync_utils.h - SPU sync-library internal utilities.
43  *
44  * These utilities are used internally by the SPU sync library.
45  */
46 #ifndef __SPU_SYNC_UTILS_H__
47 #define __SPU_SYNC_UTILS_H__
48
49 #include <spu_intrinsics.h>
50
51 typedef unsigned int u32;
52 typedef signed int s32;
53 typedef unsigned long long u64;
54 typedef unsigned long long eaddr_t;
55
56
57 typedef union {
58     u64 ull;  
59     u32 ui[2];
60 } addr64;
61
62 #ifndef likely
63 #define likely(_c)     \
64     __builtin_expect((_c), 1)
65 #define unlikely(_c)    \
66     __builtin_expect((_c), 0)
67 #endif
68
69 #define ALLOCA(_nbytes, _size)    \
70     alloca((_nbytes) + (_size)-1)
71
72 #define ALIGN(_ptr, _size)       \
73     ((((u32) _ptr) + (_size)-1) & ~((_size)-1))
74
75 #define ALIGN128_EA(_ull)       \
76     ((_ull) & ~(127ULL))
77 /*
78 #define OFFSET128_EA(_ull, _type) \
79     (((_ull) & 127ULL) / sizeof(_type))
80     */
81
82 #define OFFSET128_EA_U32(_ull) \
83     (((_ull) & 127ULL) >> 2)
84
85 #define OFFSET128_EA_U16(_ull) \
86     (((_ull) & 127ULL) >> 1)
87
88 #define MFC_DMA(_ls, _ea, _sz, _tg, _cmd) \
89     spu_mfcdma64(_ls, _ea.ui[0], _ea.ui[1], _sz, _tg, _cmd)
90
91 #define MFC_SYNC() {                            \
92     u32 _tagid = 0;                             \
93     spu_writech(mfc_tag_id, _tagid);            \
94     spu_writech(mfc_cmd_queue, MFC_SYNC_CMD);   \
95 }
96
97 #define MFC_EIEIO() {                           \
98     u32 _tagid = 0;                             \
99     spu_writech(mfc_tag_id, _tagid);            \
100     spu_writech(mfc_cmd_queue, MFC_EIEIO_CMD);  \
101 }
102
103 #endif /* __SPU_SYNC_UTILS_H__ */