diff options
Diffstat (limited to 'gcell/src/ibm/sync/spu_source/libsync.h')
| -rw-r--r-- | gcell/src/ibm/sync/spu_source/libsync.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/gcell/src/ibm/sync/spu_source/libsync.h b/gcell/src/ibm/sync/spu_source/libsync.h new file mode 100644 index 000000000..48cc722bd --- /dev/null +++ b/gcell/src/ibm/sync/spu_source/libsync.h @@ -0,0 +1,116 @@ +/* -------------------------------------------------------------- */ +/* (C)Copyright 2001,2007, */ +/* International Business Machines Corporation, */ +/* Sony Computer Entertainment, Incorporated, */ +/* Toshiba Corporation, */ +/* */ +/* All Rights Reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or */ +/* without modification, are permitted provided that the */ +/* following conditions are met: */ +/* */ +/* - Redistributions of source code must retain the above copyright*/ +/* notice, this list of conditions and the following disclaimer. */ +/* */ +/* - Redistributions in binary form must reproduce the above */ +/* copyright notice, this list of conditions and the following */ +/* disclaimer in the documentation and/or other materials */ +/* provided with the distribution. */ +/* */ +/* - Neither the name of IBM Corporation nor the names of its */ +/* contributors may be used to endorse or promote products */ +/* derived from this software without specific prior written */ +/* permission. */ +/* */ +/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND */ +/* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, */ +/* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ +/* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR */ +/* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */ +/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT */ +/* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */ +/* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) */ +/* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */ +/* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR */ +/* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* -------------------------------------------------------------- */ +/* PROLOG END TAG zYx */ +#ifndef _SPU_LIB_SYNC_H_ +#define _SPU_LIB_SYNC_H_ +#include "sync_utils.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef unsigned long long atomic_ea_t; + +extern void atomic_set(atomic_ea_t v, int val); +extern void atomic_add(int a, atomic_ea_t v); +extern void atomic_sub(int a, atomic_ea_t v); +extern void atomic_inc(atomic_ea_t v); +extern void atomic_dec(atomic_ea_t v); + +extern int atomic_read(atomic_ea_t v); +extern int atomic_add_return(int a, atomic_ea_t v); +extern int atomic_sub_return(int a, atomic_ea_t v); +extern int atomic_inc_return(atomic_ea_t v); +extern int atomic_dec_return(atomic_ea_t v); +extern int atomic_sub_and_test(int a, atomic_ea_t v); +extern int atomic_dec_and_test(atomic_ea_t v); +extern int atomic_dec_if_positive(atomic_ea_t v); + +typedef unsigned long long mutex_ea_t; + +extern void mutex_init(mutex_ea_t lock); +extern void mutex_lock(mutex_ea_t lock); +extern int mutex_trylock(mutex_ea_t ea); +extern void mutex_unlock(mutex_ea_t lock); + + +typedef struct +{ + int num_threads_signal; /* the number of threads that are going to be waken up. + * There are 3 values possible for this parameter, 0, 1, + * or num_threads_waiting + */ + int num_threads_waiting; /* the number of threads that are waiting to be awaken + */ +} condition_variable_t __attribute__ ((aligned (128))); + +typedef eaddr_t cond_ea_t; /* a system memory 64 bit address that points to + * a valid condition_variable_t + */ + + +extern void cond_init (cond_ea_t cond); +extern void cond_signal (cond_ea_t cond); +extern void cond_broadcast (cond_ea_t cond); +extern void cond_wait (cond_ea_t cond, mutex_ea_t mutex); + +typedef unsigned long long completion_ea_t; + +extern void init_completion(completion_ea_t completion); +extern void wait_for_completion(completion_ea_t completion); +extern void complete(completion_ea_t completion); +extern void complete_all(completion_ea_t completion); + +#ifdef __SPU__ + /* Function only implemented for the SPU + */ + extern void read_lock(eaddr_t ea); + extern void read_unlock(eaddr_t ea); + extern int read_trylock(eaddr_t ea); + extern void write_lock(eaddr_t ea); + extern void write_unlock(eaddr_t ea); + extern int write_trylock(eaddr_t ea); +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _SPU_LIB_SYNC_H_ */ |