1/* $NetBSD: membar_ops.S,v 1.4 2022/04/09 23:32:52 riastradh Exp $ */ 2 3/*- 4 * Copyright (c) 2006, 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe, and by Andrew Doran. 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_sync) 35 fence rw,rw 36 ret 37END(_membar_sync) 38ATOMIC_OP_ALIAS(membar_sync,_membar_sync) 39CRT_ALIAS(__sync_synchronize,_membar_sync) 40 41ENTRY_NP(_membar_acquire) 42 fence r,rw 43 ret 44END(_membar_acquire) 45ATOMIC_OP_ALIAS(membar_acquire,_membar_acquire) 46 47ENTRY_NP(_membar_release) 48 fence rw,w 49 ret 50END(_membar_release) 51ATOMIC_OP_ALIAS(membar_release,_membar_release) 52 53ENTRY_NP(_membar_enter) 54 fence rw,rw 55 ret 56END(_membar_enter) 57ATOMIC_OP_ALIAS(membar_enter,_membar_enter) 58 59ENTRY_NP(_membar_exit) 60 fence rw,w 61 ret 62END(_membar_exit) 63ATOMIC_OP_ALIAS(membar_exit,_membar_exit) 64 65ENTRY_NP(_membar_producer) 66 fence w,w 67 ret 68END(_membar_producer) 69ATOMIC_OP_ALIAS(membar_producer,_membar_producer) 70 71ENTRY_NP(_membar_consumer) 72 fence r,r 73 ret 74END(_membar_consumer) 75ATOMIC_OP_ALIAS(membar_consumer,_membar_consumer) 76