1*4f8ce3b3Sriastradh/* $NetBSD: membar_ops.S,v 1.10 2022/04/09 23:32:51 riastradh Exp $ */ 2c7572a70Smatt/*- 3c7572a70Smatt * Copyright (c) 2008 The NetBSD Foundation, Inc. 4c7572a70Smatt * All rights reserved. 5c7572a70Smatt * 6c7572a70Smatt * This code is derived from software contributed to The NetBSD Foundation 7c7572a70Smatt * by Matt Thomas <matt@3am-software.com> 8c7572a70Smatt * 9c7572a70Smatt * Redistribution and use in source and binary forms, with or without 10c7572a70Smatt * modification, are permitted provided that the following conditions 11c7572a70Smatt * are met: 12c7572a70Smatt * 1. Redistributions of source code must retain the above copyright 13c7572a70Smatt * notice, this list of conditions and the following disclaimer. 14c7572a70Smatt * 2. Redistributions in binary form must reproduce the above copyright 15c7572a70Smatt * notice, this list of conditions and the following disclaimer in the 16c7572a70Smatt * documentation and/or other materials provided with the distribution. 17c7572a70Smatt * 18c7572a70Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19c7572a70Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20c7572a70Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21c7572a70Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22c7572a70Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23c7572a70Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24c7572a70Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25c7572a70Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26c7572a70Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27c7572a70Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28c7572a70Smatt * POSSIBILITY OF SUCH DAMAGE. 29c7572a70Smatt */ 30c7572a70Smatt 31c7572a70Smatt#include "atomic_op_asm.h" 32c7572a70Smatt 335e911a38Sskrll#if defined(_ARM_ARCH_6) 34c7572a70Smatt 35c7572a70SmattENTRY_NP(_membar_producer) 36*4f8ce3b3Sriastradh DMBST /* store-before-store */ 37c7572a70Smatt RET 38c7572a70SmattEND(_membar_producer) 39c7572a70SmattATOMIC_OP_ALIAS(membar_producer,_membar_producer) 40c7572a70SmattATOMIC_OP_ALIAS(membar_write,_membar_producer) 41c7572a70SmattSTRONG_ALIAS(_membar_write,_membar_producer) 42c7572a70Smatt 43c7572a70SmattENTRY_NP(_membar_sync) 44*4f8ce3b3Sriastradh DMB /* load/store-before-load/store */ 45c7572a70Smatt RET 46c7572a70SmattEND(_membar_sync) 47c7572a70SmattATOMIC_OP_ALIAS(membar_sync,_membar_sync) 48*4f8ce3b3SriastradhATOMIC_OP_ALIAS(membar_acquire,_membar_sync) 49*4f8ce3b3SriastradhATOMIC_OP_ALIAS(membar_release,_membar_sync) 50c7572a70SmattATOMIC_OP_ALIAS(membar_enter,_membar_sync) 51c7572a70SmattATOMIC_OP_ALIAS(membar_exit,_membar_sync) 52c7572a70SmattATOMIC_OP_ALIAS(membar_consumer,_membar_sync) 53c7572a70SmattATOMIC_OP_ALIAS(membar_read,_membar_sync) 548e8c0784SskrllSTRONG_ALIAS(__sync_synchronize,_membar_sync) 55*4f8ce3b3SriastradhSTRONG_ALIAS(_membar_acquire,_membar_sync) 56*4f8ce3b3SriastradhSTRONG_ALIAS(_membar_release,_membar_sync) 57c7572a70SmattSTRONG_ALIAS(_membar_enter,_membar_sync) 58c7572a70SmattSTRONG_ALIAS(_membar_exit,_membar_sync) 59c7572a70SmattSTRONG_ALIAS(_membar_consumer,_membar_sync) 60c7572a70SmattSTRONG_ALIAS(_membar_read,_membar_sync) 61c7572a70Smatt 62c7572a70Smatt#endif /* _ARM_ARCH_6 */ 63