1*0a6a1f1dSLionel Sambuc/* $NetBSD: membar_ops.S,v 1.8 2015/06/23 20:56:17 matt Exp $ */ 2b6cbf720SGianluca Guida 3b6cbf720SGianluca Guida/*- 4b6cbf720SGianluca Guida * Copyright (c) 2006, 2007 The NetBSD Foundation, Inc. 5b6cbf720SGianluca Guida * All rights reserved. 6b6cbf720SGianluca Guida * 7b6cbf720SGianluca Guida * This code is derived from software contributed to The NetBSD Foundation 8b6cbf720SGianluca Guida * by Jason R. Thorpe, and by Andrew Doran. 9b6cbf720SGianluca Guida * 10b6cbf720SGianluca Guida * Redistribution and use in source and binary forms, with or without 11b6cbf720SGianluca Guida * modification, are permitted provided that the following conditions 12b6cbf720SGianluca Guida * are met: 13b6cbf720SGianluca Guida * 1. Redistributions of source code must retain the above copyright 14b6cbf720SGianluca Guida * notice, this list of conditions and the following disclaimer. 15b6cbf720SGianluca Guida * 2. Redistributions in binary form must reproduce the above copyright 16b6cbf720SGianluca Guida * notice, this list of conditions and the following disclaimer in the 17b6cbf720SGianluca Guida * documentation and/or other materials provided with the distribution. 18b6cbf720SGianluca Guida * 19b6cbf720SGianluca Guida * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20b6cbf720SGianluca Guida * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21b6cbf720SGianluca Guida * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22b6cbf720SGianluca Guida * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23b6cbf720SGianluca Guida * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24b6cbf720SGianluca Guida * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25b6cbf720SGianluca Guida * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26b6cbf720SGianluca Guida * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27b6cbf720SGianluca Guida * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28b6cbf720SGianluca Guida * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29b6cbf720SGianluca Guida * POSSIBILITY OF SUCH DAMAGE. 30b6cbf720SGianluca Guida */ 31b6cbf720SGianluca Guida 32b6cbf720SGianluca Guida#include "atomic_op_asm.h" 33b6cbf720SGianluca Guida 34*0a6a1f1dSLionel Sambuc// If we are on building for MIPS III or later, put in SYNCs 35*0a6a1f1dSLionel Sambuc#if __mips >= 3 || !defined(__mips_o32) 36b6cbf720SGianluca Guida# define SYNC sync 37*0a6a1f1dSLionel Sambuc#else 38*0a6a1f1dSLionel Sambuc# define SYNC nop 39b6cbf720SGianluca Guida#endif 40b6cbf720SGianluca Guida 41b6cbf720SGianluca Guida .text 42f14fb602SLionel Sambuc .set noreorder 43b6cbf720SGianluca Guida 44b6cbf720SGianluca GuidaLEAF(_membar_sync) 45b6cbf720SGianluca Guida j ra 46b6cbf720SGianluca Guida SYNC 47b6cbf720SGianluca GuidaEND(_membar_sync) 48b6cbf720SGianluca Guida 49*0a6a1f1dSLionel Sambuc#ifdef __OCTEON__ 50*0a6a1f1dSLionel SambucLEAF(_membar_producer) 51*0a6a1f1dSLionel Sambuc j ra 52*0a6a1f1dSLionel Sambuc syncw 53*0a6a1f1dSLionel SambucEND(_membar_producer) 54*0a6a1f1dSLionel Sambuc#endif 55*0a6a1f1dSLionel Sambuc 56b6cbf720SGianluca Guida#ifdef _KERNEL 57b6cbf720SGianluca GuidaSTRONG_ALIAS(mb_read, _membar_sync) 58*0a6a1f1dSLionel Sambuc#ifdef __OCTEON__ 59*0a6a1f1dSLionel SambucSTRONG_ALIAS(mb_write, _membar_producer) 60*0a6a1f1dSLionel Sambuc#else 61b6cbf720SGianluca GuidaSTRONG_ALIAS(mb_write, _membar_sync) 62*0a6a1f1dSLionel Sambuc#endif 63b6cbf720SGianluca GuidaSTRONG_ALIAS(mb_memory, _membar_sync) 64b6cbf720SGianluca Guida#endif 65b6cbf720SGianluca Guida 66b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(membar_sync,_membar_sync) 67b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(membar_enter,_membar_sync) 68b6cbf720SGianluca GuidaSTRONG_ALIAS(_membar_enter,_membar_sync) 69*0a6a1f1dSLionel Sambuc#ifdef __OCTEON__ 70*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(membar_exit,_membar_producer) 71*0a6a1f1dSLionel SambucSTRONG_ALIAS(_membar_exit,_membar_producer) 72*0a6a1f1dSLionel SambucSTRONG_ALIAS(membar_producer,_membar_producer) 73*0a6a1f1dSLionel Sambuc#else 74b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(membar_exit,_membar_sync) 75b6cbf720SGianluca GuidaSTRONG_ALIAS(_membar_exit,_membar_sync) 76b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(membar_producer,_membar_sync) 77b6cbf720SGianluca GuidaSTRONG_ALIAS(_membar_producer,_membar_sync) 78*0a6a1f1dSLionel Sambuc#endif 79b6cbf720SGianluca GuidaATOMIC_OP_ALIAS(membar_consumer,_membar_sync) 80b6cbf720SGianluca GuidaSTRONG_ALIAS(_membar_consumer,_membar_sync) 81