1/* $NetBSD: atomic_add_64.S,v 1.1 2014/09/19 17:36:24 matt Exp $ */ 2 3/*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas of 3am Software Foundry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include "atomic_op_asm.h" 33 34ENTRY_NP(_atomic_inc_64) 35 li a1, 1 36ENTRY_NP(_atomic_add_64) 37 amoadd.d.aq a0, a1, 0(a0) 38 ret 39END(_atomic_add_64) 40END(_atomic_inc_64) 41 42ATOMIC_OP_ALIAS(atomic_add_64,_atomic_add_64) 43ATOMIC_OP_ALIAS(atomic_add_long,_atomic_add_64) 44STRONG_ALIAS(_atomic_add_long,_atomic_add_64) 45ATOMIC_OP_ALIAS(atomic_add_ptr,_atomic_add_64) 46STRONG_ALIAS(_atomic_add_ptr,_atomic_add_64) 47CRT_ALIAS(__sync_fetch_and_add_8,_atomic_add_64) 48CRT_ALIAS(__atomic_fetch_add_8,_atomic_add_64) 49 50ATOMIC_OP_ALIAS(atomic_inc_64,_atomic_inc_64) 51ATOMIC_OP_ALIAS(atomic_inc_ulong,_atomic_inc_64) 52STRONG_ALIAS(_atomic_inc_ulong,_atomic_inc_64) 53ATOMIC_OP_ALIAS(atomic_inc_ptr,_atomic_inc_64) 54STRONG_ALIAS(_atomic_inc_ptr,_atomic_inc_64) 55 56ENTRY_NP(_atomic_inc_64_nv) 57 li a1, 1 58ENTRY_NP(_atomic_add_64_nv) 59 amoadd.d.aq t0, a1, 0(a0) /* update memory and get old value */ 60 LONG_ADD a0, t0, a1 /* turn into new value */ 61 ret 62END(_atomic_add_64_nv) 63END(_atomic_inc_64_nv) 64 65ATOMIC_OP_ALIAS(atomic_add_64_nv,_atomic_add_64_nv) 66ATOMIC_OP_ALIAS(atomic_add_long_nv,_atomic_add_64_nv) 67STRONG_ALIAS(_atomic_add_long_nv,_atomic_add_64_nv) 68ATOMIC_OP_ALIAS(atomic_add_ptr_nv,_atomic_add_64_nv) 69STRONG_ALIAS(_atomic_add_ptr_nv,_atomic_add_64_nv) 70CRT_ALIAS(__sync_add_and_fetch_8,_atomic_add_64_nv) 71CRT_ALIAS(__atomic_add_fetch_8,_atomic_add_64_nv) 72 73ATOMIC_OP_ALIAS(atomic_inc_64_nv,_atomic_inc_64_nv) 74ATOMIC_OP_ALIAS(atomic_inc_ulong_nv,_atomic_inc_64_nv) 75STRONG_ALIAS(_atomic_inc_ulong_nv,_atomic_inc_64_nv) 76ATOMIC_OP_ALIAS(atomic_inc_ptr_nv,_atomic_inc_64_nv) 77STRONG_ALIAS(_atomic_inc_ptr_nv,_atomic_inc_64_nv) 78