11.4Sriastrad/* $NetBSD: membar_ops.S,v 1.4 2022/04/09 23:32:51 riastradh Exp $ */ 21.1Smatt 31.1Smatt/*- 41.1Smatt * Copyright (c) 2014 The NetBSD Foundation, Inc. 51.1Smatt * All rights reserved. 61.1Smatt * 71.1Smatt * This code is derived from software contributed to The NetBSD Foundation 81.1Smatt * by Matt Thomas of 3am Software Foundry. 91.1Smatt * 101.1Smatt * Redistribution and use in source and binary forms, with or without 111.1Smatt * modification, are permitted provided that the following conditions 121.1Smatt * are met: 131.1Smatt * 1. Redistributions of source code must retain the above copyright 141.1Smatt * notice, this list of conditions and the following disclaimer. 151.1Smatt * 2. Redistributions in binary form must reproduce the above copyright 161.1Smatt * notice, this list of conditions and the following disclaimer in the 171.1Smatt * documentation and/or other materials provided with the distribution. 181.1Smatt * 191.1Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 201.1Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 211.1Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 221.1Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 231.1Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 241.1Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 251.1Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 261.1Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 271.1Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 281.1Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 291.1Smatt * POSSIBILITY OF SUCH DAMAGE. 301.1Smatt */ 311.1Smatt 321.1Smatt#include "atomic_op_asm.h" 331.1Smatt 341.1SmattENTRY_NP(_membar_producer) 351.4Sriastrad dmb ishst /* store-before-store */ 361.1Smatt ret 371.1SmattEND(_membar_producer) 381.1SmattATOMIC_OP_ALIAS(membar_producer,_membar_producer) 391.1SmattATOMIC_OP_ALIAS(membar_write,_membar_producer) 401.1SmattSTRONG_ALIAS(_membar_write,_membar_producer) 411.1Smatt 421.4SriastradENTRY_NP(_membar_acquire) 431.4Sriastrad dmb ishld /* load-before-load/store */ 441.2Sskrll ret 451.4SriastradEND(_membar_acquire) 461.4SriastradATOMIC_OP_ALIAS(membar_acquire,_membar_acquire) 471.4SriastradATOMIC_OP_ALIAS(membar_consumer,_membar_acquire) 481.2SskrllATOMIC_OP_ALIAS(membar_read,_membar_consumer) 491.4SriastradSTRONG_ALIAS(_membar_consumer,_membar_acquire) 501.2SskrllSTRONG_ALIAS(_membar_read,_membar_consumer) 511.2Sskrll 521.1SmattENTRY_NP(_membar_sync) 531.2Sskrll dmb ish 541.1Smatt ret 551.1SmattEND(_membar_sync) 561.1SmattATOMIC_OP_ALIAS(membar_sync,_membar_sync) 571.4SriastradATOMIC_OP_ALIAS(membar_release,_membar_sync) 581.1SmattATOMIC_OP_ALIAS(membar_enter,_membar_sync) 591.1SmattATOMIC_OP_ALIAS(membar_exit,_membar_sync) 601.1SmattSTRONG_ALIAS(__sync_synchronize,_membar_sync) 611.4SriastradSTRONG_ALIAS(_membar_release,_membar_sync) 621.1SmattSTRONG_ALIAS(_membar_enter,_membar_sync) 631.1SmattSTRONG_ALIAS(_membar_exit,_membar_sync) 64