1 /* -------------------------------------------------------------- */
2 /* (C)Copyright 2001,2007, */
3 /* International Business Machines Corporation, */
4 /* Sony Computer Entertainment, Incorporated, */
5 /* Toshiba Corporation, */
7 /* All Rights Reserved. */
9 /* Redistribution and use in source and binary forms, with or */
10 /* without modification, are permitted provided that the */
11 /* following conditions are met: */
13 /* - Redistributions of source code must retain the above copyright*/
14 /* notice, this list of conditions and the following disclaimer. */
16 /* - Redistributions in binary form must reproduce the above */
17 /* copyright notice, this list of conditions and the following */
18 /* disclaimer in the documentation and/or other materials */
19 /* provided with the distribution. */
21 /* - Neither the name of IBM Corporation nor the names of its */
22 /* contributors may be used to endorse or promote products */
23 /* derived from this software without specific prior written */
26 /* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */
27 /* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */
28 /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
29 /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
30 /* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR */
31 /* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
32 /* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT */
33 /* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
34 /* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) */
35 /* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */
36 /* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR */
37 /* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
38 /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
39 /* -------------------------------------------------------------- */
40 /* PROLOG END TAG zYx */
41 #ifndef _PPU_LIBSYNC_H_
42 #define _PPU_LIBSYNC_H_
44 #include "sync_utils.h"
50 typedef unsigned long long atomic_ea_t;
52 extern void atomic_set(atomic_ea_t v, int val);
53 extern void atomic_add(int a, atomic_ea_t v);
54 extern void atomic_sub(int a, atomic_ea_t v);
55 extern void atomic_inc(atomic_ea_t v);
56 extern void atomic_dec(atomic_ea_t v);
58 extern int atomic_read(atomic_ea_t v);
59 extern int atomic_add_return(int a, atomic_ea_t v);
60 extern int atomic_sub_return(int a, atomic_ea_t v);
61 extern int atomic_inc_return(atomic_ea_t v);
62 extern int atomic_dec_return(atomic_ea_t v);
63 extern int atomic_sub_and_test(int a, atomic_ea_t v);
64 extern int atomic_dec_and_test(atomic_ea_t v);
65 extern int atomic_dec_if_positive(atomic_ea_t v);
67 typedef unsigned long long mutex_ea_t;
68 void mutex_init(mutex_ea_t lock);
70 void mutex_lock(mutex_ea_t lock);
71 int mutex_trylock(mutex_ea_t ea);
72 void mutex_unlock(mutex_ea_t lock);
76 int num_threads_signal; /* the number of threads that are going to be waken up.
77 There are 3 values possible for this parameter, 0, 1,
78 or num_threads_waiting*/
79 int num_threads_waiting; /* the number of threads that are waiting to be awaken */
80 } condition_variable_t __attribute__ ((aligned (16)));
82 typedef unsigned long long cond_ea_t; /* a system memory 64 bit address that points to
83 * a valid condition_variable_t */
86 unsigned long long ull;
91 void cond_init (cond_ea_t cond);
92 void cond_signal (cond_ea_t cond);
93 void cond_broadcast (cond_ea_t cond);
94 void cond_wait (cond_ea_t cond, mutex_ea_t mutex);
97 #define MAX_THREADS_WAITING 32000
99 typedef unsigned long long completion_ea_t;
101 extern void init_completion(completion_ea_t comp);
102 extern void wait_for_completion(completion_ea_t comp);
104 extern void wait_for_completion_irq(completion_ea_t comp);
105 extern void wait_for_completion_irqsave(completion_ea_t comp);
107 extern void complete_all(completion_ea_t comp);
108 extern void complete (completion_ea_t comp);
114 #endif /* _PPU_LIBSYNC_H_ */