1/* $NetBSD: membar_ops.S,v 1.1 2014/08/10 05:47:35 matt Exp $ */ 2 3/*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas of 3am Software Foundry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include "atomic_op_asm.h" 33 34ENTRY_NP(_membar_producer) 35 dsb sy 36 ret 37END(_membar_producer) 38ATOMIC_OP_ALIAS(membar_producer,_membar_producer) 39ATOMIC_OP_ALIAS(membar_write,_membar_producer) 40STRONG_ALIAS(_membar_write,_membar_producer) 41 42ENTRY_NP(_membar_sync) 43 dmb sy 44 ret 45END(_membar_sync) 46ATOMIC_OP_ALIAS(membar_sync,_membar_sync) 47ATOMIC_OP_ALIAS(membar_enter,_membar_sync) 48ATOMIC_OP_ALIAS(membar_exit,_membar_sync) 49ATOMIC_OP_ALIAS(membar_consumer,_membar_sync) 50ATOMIC_OP_ALIAS(membar_read,_membar_sync) 51STRONG_ALIAS(__sync_synchronize,_membar_sync) 52STRONG_ALIAS(_membar_enter,_membar_sync) 53STRONG_ALIAS(_membar_exit,_membar_sync) 54STRONG_ALIAS(_membar_consumer,_membar_sync) 55STRONG_ALIAS(_membar_read,_membar_sync) 56