membar_ops.S revision 1.9 
11.9Sskrll/*	$NetBSD: membar_ops.S,v 1.9 2020/08/01 09:26:49 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
341.8Smatt// If we are on building for MIPS III or later, put in SYNCs
351.8Smatt#if __mips >= 3 || !defined(__mips_o32)
361.8Smatt# define SYNC		sync
371.8Smatt#else
381.8Smatt# define SYNC		nop
391.1Sad#endif
401.1Sad
411.1Sad	.text
421.5Smatt	.set noreorder
431.1Sad
441.3SchsLEAF(_membar_sync)
451.4Smatt	j	ra
461.5Smatt	 SYNC
471.1SadEND(_membar_sync)
481.1Sad
491.6Smatt#ifdef __OCTEON__
501.6SmattLEAF(_membar_producer)
511.6Smatt	j	ra
521.6Smatt	 syncw
531.6SmattEND(_membar_producer)
541.6Smatt#endif
551.6Smatt
561.4Smatt#ifdef _KERNEL
571.4SmattSTRONG_ALIAS(mb_read, _membar_sync)
581.6Smatt#ifdef __OCTEON__
591.6SmattSTRONG_ALIAS(mb_write, _membar_producer)
601.6Smatt#else
611.4SmattSTRONG_ALIAS(mb_write, _membar_sync)
621.6Smatt#endif
631.4SmattSTRONG_ALIAS(mb_memory, _membar_sync)
641.4Smatt#endif
651.4Smatt
661.1SadATOMIC_OP_ALIAS(membar_sync,_membar_sync)
671.1SadATOMIC_OP_ALIAS(membar_enter,_membar_sync)
681.1SadSTRONG_ALIAS(_membar_enter,_membar_sync)
691.6Smatt#ifdef __OCTEON__
701.6SmattATOMIC_OP_ALIAS(membar_exit,_membar_producer)
711.6SmattSTRONG_ALIAS(_membar_exit,_membar_producer)
721.6SmattSTRONG_ALIAS(membar_producer,_membar_producer)
731.6Smatt#else
741.1SadATOMIC_OP_ALIAS(membar_exit,_membar_sync)
751.1SadSTRONG_ALIAS(_membar_exit,_membar_sync)
761.1SadATOMIC_OP_ALIAS(membar_producer,_membar_sync)
771.1SadSTRONG_ALIAS(_membar_producer,_membar_sync)
781.6Smatt#endif
791.1SadATOMIC_OP_ALIAS(membar_consumer,_membar_sync)
801.1SadSTRONG_ALIAS(_membar_consumer,_membar_sync)
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