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72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/* queue.c -- Builtins for HSAIL queue related instructions.
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Copyright (C) 2015-2018 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 "phsa-queue-interface.h"
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uint64_t
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__hsail_ldqueuereadindex (uint64_t queue_addr)
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{
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phsa_queue_t *queue = (phsa_queue_t *) (uintptr_t) queue_addr;
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return queue->read_index;
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}
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uint64_t
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__hsail_ldqueuewriteindex (uint64_t queue_addr)
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{
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phsa_queue_t *queue = (phsa_queue_t *) (uintptr_t) queue_addr;
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return queue->write_index;
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}
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uint64_t
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__hsail_addqueuewriteindex (uint64_t queue_addr, uint64_t value)
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{
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phsa_queue_t *queue = (phsa_queue_t *) (uintptr_t) queue_addr;
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return __sync_fetch_and_add (&queue->write_index, value);
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}
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uint64_t
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__hsail_casqueuewriteindex (uint64_t queue_addr, uint64_t cmp_value,
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uint64_t new_value)
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{
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phsa_queue_t *queue = (phsa_queue_t *) (uintptr_t) queue_addr;
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return __sync_val_compare_and_swap (&queue->write_index, cmp_value,
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new_value);
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}
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void
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__hsail_stqueuereadindex (uint64_t queue_addr, uint64_t value)
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{
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phsa_queue_t *queue = (phsa_queue_t *) (uintptr_t) queue_addr;
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queue->read_index = value;
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}
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void
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__hsail_stqueuewriteindex (uint64_t queue_addr, uint64_t value)
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{
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phsa_queue_t *queue = (phsa_queue_t *) (uintptr_t) queue_addr;
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queue->write_index = value;
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}
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