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Diffstat (limited to 'gcell/ibm/sync/spu_source/atomic.h')
| -rw-r--r-- | gcell/ibm/sync/spu_source/atomic.h | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/gcell/ibm/sync/spu_source/atomic.h b/gcell/ibm/sync/spu_source/atomic.h deleted file mode 100644 index 951c26e3f..000000000 --- a/gcell/ibm/sync/spu_source/atomic.h +++ /dev/null @@ -1,101 +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 */ -/* - * atomic.h - SPU atomic SHM counter operations. - * - * Interfaces patterned after, and hopefully compatible - * with PowerPC64-Linux atomic counter operations. Uses - * 32b values for various counters. - */ -#ifndef _SPU_ATOMIC_H_ -#define _SPU_ATOMIC_H_ - -#include <sync_utils.h> -#include <spu_mfcio.h> - - -/* atomic_eaddr_t is a 64bit effective address - * that points to an atomic_t variable */ -typedef unsigned long long atomic_ea_t; - -#define DECL_ATOMIC_VARS() \ - char _tmp[256]; \ - char *tmp = (char *) ALIGN(_tmp, 128); \ - volatile s32 *buf = (volatile s32 *) &tmp[0]; \ - u32 size = 128, tagid = 0; \ - s32 ret_val; \ - u32 offset; \ - addr64 ea64 - -/* __atomic_op -* Internal routine to acquire lock line reservation -* then conditionally modify the counter variable -* pointed to by 'v'. The 'replace' flag indicates -* whether or not this is to be an arithmetic R-M-W -* or a simple replace operation. -*/ -#define ATOMIC_OP(__v, __val, __replace, __final_val) \ -{ \ - char __tmp[256]; \ - char *_tmp = (char *) ALIGN(__tmp, 128); \ - volatile s32 *_buf = (volatile s32 *) &_tmp[0]; \ - u32 _size = 128, _tagid = 0; \ - s32 _status, _ret_val; \ - u32 _offset; \ - addr64 _ea64; \ - \ - _ea64.ull = ALIGN128_EA(__v); \ - _offset = OFFSET128_EA_U32(__v); \ - do { \ - MFC_DMA(_buf, _ea64, _size, _tagid, MFC_GETLLAR_CMD); \ - spu_readch (MFC_RdAtomicStat); \ - \ - _ret_val = _buf[_offset]; \ - _buf[_offset] = (__replace) ? __val : _ret_val + __val; \ - MFC_DMA(_buf, _ea64, _size, _tagid, MFC_PUTLLC_CMD); \ - _status = spu_readch(MFC_RdAtomicStat); \ - } while (_status != 0); \ - \ - __final_val = _ret_val; \ -} - -#endif /* _SPU_ATOMIC_H_ */ - |