1/* $NetBSD: atomic_nand_32.S,v 1.2 2015/03/27 06:42:37 matt Exp $ */ 2/*- 3 * Copyright (c) 2014 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Matt Thomas <matt@3am-software.com> 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "atomic_op_asm.h" 32 33ENTRY_NP(_atomic_nand_32) 34 mv t0, a0 351: lr.w a0, 0(t0) 36 not t2, a0 37 and t2, t2, a1 38 sc.w t1, t2, 0(t0) 39 bnez t1, 1b 40 ret 41END(_atomic_nand_32) 42 43ATOMIC_OP_ALIAS(atomic_nand_32,_atomic_nand_32) 44ATOMIC_OP_ALIAS(atomic_nand_uint,_atomic_nand_32) 45STRONG_ALIAS(_atomic_nand_uint,_atomic_nand_32) 46#ifndef _LP64 47ATOMIC_OP_ALIAS(atomic_nand_ulong,_atomic_nand_32) 48STRONG_ALIAS(_atomic_nand_ulong,_atomic_nand_32) 49#endif 50CRT_ALIAS(__sync_fetch_and_nand_4,_atomic_nand_32) 51CRT_ALIAS(__atomic_fetch_nand_4,_atomic_nand_32) 52 53ENTRY_NP(_atomic_nand_32_nv) 54 mv t0, a0 551: lr.w a0, 0(t0) 56 not a0, a0 57 and a0, a0, a1 58 sc.w t1, a0, 0(t0) 59 bnez t1, 1b 60 ret 61END(_atomic_nand_32_nv) 62 63ATOMIC_OP_ALIAS(atomic_nand_32_nv,_atomic_nand_32_nv) 64ATOMIC_OP_ALIAS(atomic_nand_uint_nv,_atomic_nand_32_nv) 65STRONG_ALIAS(_atomic_nand_uint_nv,_atomic_nand_32_nv) 66#ifndef _LP64 67ATOMIC_OP_ALIAS(atomic_nand_ulong_nv,_atomic_nand_32_nv) 68STRONG_ALIAS(_atomic_nand_ulong_nv,_atomic_nand_32_nv) 69#endif 70CRT_ALIAS(__sync_nand_and_fetch_4,_atomic_nand_32_nv) 71CRT_ALIAS(__atomic_nand_fetch_4,_atomic_nand_32_nv) 72