membar_ops.S revision 1.10
11.10Sskrll/*	$NetBSD: membar_ops.S,v 1.10 2020/08/10 14:37:38 skrll Exp $	*/
21.1Sad
31.1Sad/*-
41.1Sad * Copyright (c) 2006, 2007 The NetBSD Foundation, Inc.
51.1Sad * All rights reserved.
61.1Sad *
71.1Sad * This code is derived from software contributed to The NetBSD Foundation
81.1Sad * by Jason R. Thorpe, and by Andrew Doran.
91.1Sad *
101.1Sad * Redistribution and use in source and binary forms, with or without
111.1Sad * modification, are permitted provided that the following conditions
121.1Sad * are met:
131.1Sad * 1. Redistributions of source code must retain the above copyright
141.1Sad *    notice, this list of conditions and the following disclaimer.
151.1Sad * 2. Redistributions in binary form must reproduce the above copyright
161.1Sad *    notice, this list of conditions and the following disclaimer in the
171.1Sad *    documentation and/or other materials provided with the distribution.
181.9Sskrll *
191.1Sad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
201.1Sad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
211.1Sad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
221.1Sad * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
231.1Sad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
241.1Sad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
251.1Sad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
261.1Sad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
271.1Sad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
281.1Sad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
291.1Sad * POSSIBILITY OF SUCH DAMAGE.
301.1Sad */
311.1Sad
321.1Sad#include "atomic_op_asm.h"
331.1Sad
341.1Sad	.text
351.5Smatt	.set noreorder
361.1Sad
371.3SchsLEAF(_membar_sync)
381.4Smatt	j	ra
391.10Sskrll	 BDSYNC
401.1SadEND(_membar_sync)
411.1Sad
421.6Smatt#ifdef __OCTEON__
431.6SmattLEAF(_membar_producer)
441.6Smatt	j	ra
451.6Smatt	 syncw
461.6SmattEND(_membar_producer)
471.6Smatt#endif
481.6Smatt
491.4Smatt#ifdef _KERNEL
501.4SmattSTRONG_ALIAS(mb_read, _membar_sync)
511.6Smatt#ifdef __OCTEON__
521.6SmattSTRONG_ALIAS(mb_write, _membar_producer)
531.6Smatt#else
541.4SmattSTRONG_ALIAS(mb_write, _membar_sync)
551.6Smatt#endif
561.4SmattSTRONG_ALIAS(mb_memory, _membar_sync)
571.4Smatt#endif
581.4Smatt
591.1SadATOMIC_OP_ALIAS(membar_sync,_membar_sync)
601.1SadATOMIC_OP_ALIAS(membar_enter,_membar_sync)
611.1SadSTRONG_ALIAS(_membar_enter,_membar_sync)
621.6Smatt#ifdef __OCTEON__
631.6SmattATOMIC_OP_ALIAS(membar_exit,_membar_producer)
641.6SmattSTRONG_ALIAS(_membar_exit,_membar_producer)
651.6SmattSTRONG_ALIAS(membar_producer,_membar_producer)
661.6Smatt#else
671.1SadATOMIC_OP_ALIAS(membar_exit,_membar_sync)
681.1SadSTRONG_ALIAS(_membar_exit,_membar_sync)
691.1SadATOMIC_OP_ALIAS(membar_producer,_membar_sync)
701.1SadSTRONG_ALIAS(_membar_producer,_membar_sync)
711.6Smatt#endif
721.1SadATOMIC_OP_ALIAS(membar_consumer,_membar_sync)
731.1SadSTRONG_ALIAS(_membar_consumer,_membar_sync)
74