diff options
Diffstat (limited to 'gcell/ibm/sync/spu_source/cond_wait.h')
| -rw-r--r-- | gcell/ibm/sync/spu_source/cond_wait.h | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/gcell/ibm/sync/spu_source/cond_wait.h b/gcell/ibm/sync/spu_source/cond_wait.h deleted file mode 100644 index cf4b880f5..000000000 --- a/gcell/ibm/sync/spu_source/cond_wait.h +++ /dev/null @@ -1,103 +0,0 @@ -/* -------------------------------------------------------------- */ -/* (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_COND_WAIT_H_ -#define _SPU_COND_WAIT_H_ -#include <stdio.h> -#include "sync_irq.h" -#include "sync_utils.h" -#include "mutex_lock.h" -#include "mutex_unlock.h" -#include "cond.h" -#include <spu_mfcio.h> - -static __inline void _cond_wait (cond_ea_t cond, mutex_ea_t mutex) -{ - char _tmp[256]; - char *tmp = (char *) ALIGN(_tmp, 128); - volatile signed short *buf = (volatile signed short *) &tmp[0]; - unsigned int size = 128, tagid = 0; - int status; - unsigned int offset; - addr64 ea64; - signed short delta, cur_delta, signaled_cnt; - - ea64.ull = ALIGN128_EA(cond); - offset = OFFSET128_EA_U16(cond); - - /* increment the waiting halfword of the condition variable. - */ - do { - MFC_DMA(buf, ea64, size, tagid, MFC_GETLLAR_CMD); - (void)spu_readch(MFC_RdAtomicStat); - - buf[offset+1]++; - - MFC_DMA(buf, ea64, size, tagid, MFC_PUTLLC_CMD); - status = spu_readch(MFC_RdAtomicStat); - } while (status); - - _mutex_unlock(mutex); - - /* keep track of the change in count needed to be signaled. This - * is delta. - */ - signaled_cnt = buf[offset]; - delta = buf[offset+1] - signaled_cnt; - if (delta < 0) delta = -delta; - - while (1) { - MFC_DMA(buf, ea64, size, tagid, MFC_GETLLAR_CMD); - (void)spu_readch(MFC_RdAtomicStat); - - cur_delta = buf[offset] - signaled_cnt; - if (cur_delta < 0) cur_delta = -cur_delta; - - - if (cur_delta >= delta) { - /* the counts indicate that this thread has been signaled. - */ - break; - } - } - _mutex_lock (mutex); -} - -#endif /* _SPU_COND_WAIT_H_ */ |