88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/* fbarrier.c -- HSAIL fbarrier built-ins.
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Copyright (C) 2015-2020 Free Software Foundation, Inc.
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Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com>
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for General Processor Tech.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files
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(the "Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdlib.h>
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#include <signal.h>
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#include "workitems.h"
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#include "phsa-rt.h"
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#ifdef HAVE_FIBERS
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#include "fibers.h"
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typedef fiber_barrier_t fbarrier;
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void
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__hsail_initfbar (uint32_t addr, PHSAWorkItem *wi)
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{
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fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr);
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fbar->threshold = 0;
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fbar->reached = 0;
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fbar->waiting_count = 0;
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}
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void
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__hsail_releasefbar (uint32_t addr, PHSAWorkItem *wi)
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{
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fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr);
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fbar->threshold = 0;
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fbar->reached = 0;
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fbar->waiting_count = 0;
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}
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void
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__hsail_joinfbar (uint32_t addr, PHSAWorkItem *wi)
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{
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fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr);
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++fbar->threshold;
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}
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void
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__hsail_leavefbar (uint32_t addr, PHSAWorkItem *wi)
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{
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fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr);
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--fbar->threshold;
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}
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void
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__hsail_waitfbar (uint32_t addr, PHSAWorkItem *wi)
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{
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fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr);
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fiber_barrier_reach (fbar);
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}
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void
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__hsail_arrivefbar (uint32_t addr, PHSAWorkItem *wi)
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{
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fbarrier *fbar = (fbarrier *) (wi->wg->group_base_ptr + addr);
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++fbar->reached;
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if (fbar->reached == fbar->threshold)
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fbar->reached = 0;
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}
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#endif
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