1*0a6a1f1dSLionel Sambuc/* $NetBSD: atomic_nand_32.S,v 1.2 2015/03/27 06:42:37 matt Exp $ */ 2*0a6a1f1dSLionel Sambuc/*- 3*0a6a1f1dSLionel Sambuc * Copyright (c) 2014 The NetBSD Foundation, Inc. 4*0a6a1f1dSLionel Sambuc * All rights reserved. 5*0a6a1f1dSLionel Sambuc * 6*0a6a1f1dSLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation 7*0a6a1f1dSLionel Sambuc * by Matt Thomas <matt@3am-software.com> 8*0a6a1f1dSLionel Sambuc * 9*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without 10*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions 11*0a6a1f1dSLionel Sambuc * are met: 12*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright 13*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer. 14*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright 15*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the 16*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution. 17*0a6a1f1dSLionel Sambuc * 18*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19*0a6a1f1dSLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20*0a6a1f1dSLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21*0a6a1f1dSLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22*0a6a1f1dSLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23*0a6a1f1dSLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24*0a6a1f1dSLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25*0a6a1f1dSLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26*0a6a1f1dSLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27*0a6a1f1dSLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28*0a6a1f1dSLionel Sambuc * POSSIBILITY OF SUCH DAMAGE. 29*0a6a1f1dSLionel Sambuc */ 30*0a6a1f1dSLionel Sambuc 31*0a6a1f1dSLionel Sambuc#include "atomic_op_asm.h" 32*0a6a1f1dSLionel Sambuc 33*0a6a1f1dSLionel SambucENTRY_NP(_atomic_nand_32) 34*0a6a1f1dSLionel Sambuc mv t0, a0 35*0a6a1f1dSLionel Sambuc1: lr.w a0, 0(t0) 36*0a6a1f1dSLionel Sambuc not t2, a0 37*0a6a1f1dSLionel Sambuc and t2, t2, a1 38*0a6a1f1dSLionel Sambuc sc.w t1, t2, 0(t0) 39*0a6a1f1dSLionel Sambuc bnez t1, 1b 40*0a6a1f1dSLionel Sambuc ret 41*0a6a1f1dSLionel SambucEND(_atomic_nand_32) 42*0a6a1f1dSLionel Sambuc 43*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_nand_32,_atomic_nand_32) 44*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_nand_uint,_atomic_nand_32) 45*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_nand_uint,_atomic_nand_32) 46*0a6a1f1dSLionel Sambuc#ifndef _LP64 47*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_nand_ulong,_atomic_nand_32) 48*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_nand_ulong,_atomic_nand_32) 49*0a6a1f1dSLionel Sambuc#endif 50*0a6a1f1dSLionel SambucCRT_ALIAS(__sync_fetch_and_nand_4,_atomic_nand_32) 51*0a6a1f1dSLionel SambucCRT_ALIAS(__atomic_fetch_nand_4,_atomic_nand_32) 52*0a6a1f1dSLionel Sambuc 53*0a6a1f1dSLionel SambucENTRY_NP(_atomic_nand_32_nv) 54*0a6a1f1dSLionel Sambuc mv t0, a0 55*0a6a1f1dSLionel Sambuc1: lr.w a0, 0(t0) 56*0a6a1f1dSLionel Sambuc not a0, a0 57*0a6a1f1dSLionel Sambuc and a0, a0, a1 58*0a6a1f1dSLionel Sambuc sc.w t1, a0, 0(t0) 59*0a6a1f1dSLionel Sambuc bnez t1, 1b 60*0a6a1f1dSLionel Sambuc ret 61*0a6a1f1dSLionel SambucEND(_atomic_nand_32_nv) 62*0a6a1f1dSLionel Sambuc 63*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_nand_32_nv,_atomic_nand_32_nv) 64*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_nand_uint_nv,_atomic_nand_32_nv) 65*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_nand_uint_nv,_atomic_nand_32_nv) 66*0a6a1f1dSLionel Sambuc#ifndef _LP64 67*0a6a1f1dSLionel SambucATOMIC_OP_ALIAS(atomic_nand_ulong_nv,_atomic_nand_32_nv) 68*0a6a1f1dSLionel SambucSTRONG_ALIAS(_atomic_nand_ulong_nv,_atomic_nand_32_nv) 69*0a6a1f1dSLionel Sambuc#endif 70*0a6a1f1dSLionel SambucCRT_ALIAS(__sync_nand_and_fetch_4,_atomic_nand_32_nv) 71*0a6a1f1dSLionel SambucCRT_ALIAS(__atomic_nand_fetch_4,_atomic_nand_32_nv) 72