1*2d9adf0dSmatt/* $NetBSD: atomic_add_32.S,v 1.2 2015/03/27 06:42:37 matt Exp $ */ 26cf6fe02Smatt 36cf6fe02Smatt/*- 46cf6fe02Smatt * Copyright (c) 2014 The NetBSD Foundation, Inc. 56cf6fe02Smatt * All rights reserved. 66cf6fe02Smatt * 76cf6fe02Smatt * This code is derived from software contributed to The NetBSD Foundation 86cf6fe02Smatt * by Matt Thomas of 3am Software Foundry. 96cf6fe02Smatt * 106cf6fe02Smatt * Redistribution and use in source and binary forms, with or without 116cf6fe02Smatt * modification, are permitted provided that the following conditions 126cf6fe02Smatt * are met: 136cf6fe02Smatt * 1. Redistributions of source code must retain the above copyright 146cf6fe02Smatt * notice, this list of conditions and the following disclaimer. 156cf6fe02Smatt * 2. Redistributions in binary form must reproduce the above copyright 166cf6fe02Smatt * notice, this list of conditions and the following disclaimer in the 176cf6fe02Smatt * documentation and/or other materials provided with the distribution. 186cf6fe02Smatt * 196cf6fe02Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 206cf6fe02Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 216cf6fe02Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 226cf6fe02Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 236cf6fe02Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 246cf6fe02Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 256cf6fe02Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 266cf6fe02Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 276cf6fe02Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 286cf6fe02Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 296cf6fe02Smatt * POSSIBILITY OF SUCH DAMAGE. 306cf6fe02Smatt */ 316cf6fe02Smatt 326cf6fe02Smatt#include "atomic_op_asm.h" 336cf6fe02Smatt 346cf6fe02SmattENTRY_NP(_atomic_inc_32) 356cf6fe02Smatt li a1, 1 366cf6fe02SmattENTRY_NP(_atomic_add_32) 37*2d9adf0dSmatt amoadd.w.aq a0, a1, 0(a0) 386cf6fe02Smatt ret 396cf6fe02SmattEND(_atomic_add_32) 406cf6fe02SmattEND(_atomic_inc_32) 416cf6fe02Smatt 426cf6fe02SmattATOMIC_OP_ALIAS(atomic_add_32,_atomic_add_32) 436cf6fe02SmattATOMIC_OP_ALIAS(atomic_add_int,_atomic_add_32) 446cf6fe02SmattSTRONG_ALIAS(_atomic_add_int,_atomic_add_32) 456cf6fe02Smatt#ifndef _LP64 466cf6fe02SmattATOMIC_OP_ALIAS(atomic_add_long,_atomic_add_32) 476cf6fe02SmattSTRONG_ALIAS(_atomic_add_long,_atomic_add_32) 486cf6fe02SmattATOMIC_OP_ALIAS(atomic_add_ptr,_atomic_add_32) 496cf6fe02SmattSTRONG_ALIAS(_atomic_add_ptr,_atomic_add_32) 506cf6fe02Smatt#endif 516cf6fe02SmattCRT_ALIAS(__sync_fetch_and_add_4,_atomic_add_32) 526cf6fe02SmattCRT_ALIAS(__atomic_fetch_add_4,_atomic_add_32) 536cf6fe02Smatt 546cf6fe02SmattATOMIC_OP_ALIAS(atomic_inc_32,_atomic_inc_32) 556cf6fe02SmattATOMIC_OP_ALIAS(atomic_inc_uint,_atomic_inc_32) 566cf6fe02SmattSTRONG_ALIAS(_atomic_inc_uint,_atomic_inc_32) 576cf6fe02Smatt#ifndef _LP64 586cf6fe02SmattATOMIC_OP_ALIAS(atomic_inc_ulong,_atomic_inc_32) 596cf6fe02SmattSTRONG_ALIAS(_atomic_inc_ulong,_atomic_inc_32) 606cf6fe02SmattATOMIC_OP_ALIAS(atomic_inc_ptr,_atomic_inc_32) 616cf6fe02SmattSTRONG_ALIAS(_atomic_inc_ptr,_atomic_inc_32) 626cf6fe02Smatt#endif 636cf6fe02Smatt 646cf6fe02SmattENTRY_NP(_atomic_inc_32_nv) 656cf6fe02Smatt li a1, 1 666cf6fe02SmattENTRY_NP(_atomic_add_32_nv) 67*2d9adf0dSmatt amoadd.w.aq t0, a1, 0(a0) /* update memory and get old value */ 68*2d9adf0dSmatt INT_ADD a0, t0, a1 /* turn into new value */ 696cf6fe02Smatt ret 706cf6fe02SmattEND(_atomic_add_32_nv) 716cf6fe02SmattEND(_atomic_inc_32_nv) 726cf6fe02Smatt 736cf6fe02SmattATOMIC_OP_ALIAS(atomic_add_32_nv,_atomic_add_32_nv) 746cf6fe02SmattATOMIC_OP_ALIAS(atomic_add_int_nv,_atomic_add_32_nv) 756cf6fe02SmattSTRONG_ALIAS(_atomic_add_int_nv,_atomic_add_32_nv) 766cf6fe02Smatt#ifndef _LP64 776cf6fe02SmattATOMIC_OP_ALIAS(atomic_add_long_nv,_atomic_add_32_nv) 786cf6fe02SmattSTRONG_ALIAS(_atomic_add_long_nv,_atomic_add_32_nv) 796cf6fe02SmattATOMIC_OP_ALIAS(atomic_add_ptr_nv,_atomic_add_32_nv) 806cf6fe02SmattSTRONG_ALIAS(_atomic_add_ptr_nv,_atomic_add_32_nv) 816cf6fe02Smatt#endif 826cf6fe02SmattCRT_ALIAS(__sync_add_and_fetch_4,_atomic_add_32_nv) 836cf6fe02SmattCRT_ALIAS(__atomic_add_fetch_4,_atomic_add_32_nv) 846cf6fe02Smatt 856cf6fe02SmattATOMIC_OP_ALIAS(atomic_inc_32_nv,_atomic_inc_32_nv) 866cf6fe02SmattATOMIC_OP_ALIAS(atomic_inc_uint_nv,_atomic_inc_32_nv) 876cf6fe02SmattSTRONG_ALIAS(_atomic_inc_uint_nv,_atomic_inc_32_nv) 886cf6fe02Smatt#ifndef _LP64 896cf6fe02SmattATOMIC_OP_ALIAS(atomic_inc_ulong_nv,_atomic_inc_32_nv) 906cf6fe02SmattSTRONG_ALIAS(_atomic_inc_ulong_nv,_atomic_inc_32_nv) 916cf6fe02SmattATOMIC_OP_ALIAS(atomic_inc_ptr_nv,_atomic_inc_32_nv) 926cf6fe02SmattSTRONG_ALIAS(_atomic_inc_ptr_nv,_atomic_inc_32_nv) 936cf6fe02Smatt#endif 94