11.2Sriastrad/* $NetBSD: atomic_swap_32.S,v 1.2 2022/04/06 22:47:56 riastradh Exp $ */ 21.1Smatt 31.1Smatt/*- 41.1Smatt * Copyright (c) 2007,2012 The NetBSD Foundation, Inc. 51.1Smatt * All rights reserved. 61.1Smatt * 71.1Smatt * This code is derived from software contributed to The NetBSD Foundation 81.1Smatt * by Jason R. Thorpe and Matt Thomas. 91.1Smatt * 101.1Smatt * Redistribution and use in source and binary forms, with or without 111.1Smatt * modification, are permitted provided that the following conditions 121.1Smatt * are met: 131.1Smatt * 1. Redistributions of source code must retain the above copyright 141.1Smatt * notice, this list of conditions and the following disclaimer. 151.1Smatt * 2. Redistributions in binary form must reproduce the above copyright 161.1Smatt * notice, this list of conditions and the following disclaimer in the 171.1Smatt * documentation and/or other materials provided with the distribution. 181.2Sriastrad * 191.1Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 201.1Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 211.1Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 221.1Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 231.1Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 241.1Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 251.1Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 261.1Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 271.1Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 281.1Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 291.1Smatt * POSSIBILITY OF SUCH DAMAGE. 301.1Smatt */ 311.1Smatt 321.1Smatt#include "atomic_op_asm.h" 331.1Smatt 341.1SmattENTRY_NP(_atomic_swap_32) 351.1Smatt1: l.lwa r11, 0(r3) 361.1Smatt l.swa 0(r3), r4 371.1Smatt l.bnf 1b 381.1Smatt l.nop 391.1Smatt2: l.jr lr 401.1Smatt l.nop 411.1SmattEND(_atomic_swap_32) 421.1Smatt 431.1SmattATOMIC_OP_ALIAS(atomic_swap_32,_atomic_swap_32) 441.1SmattATOMIC_OP_ALIAS(atomic_swap_uint,_atomic_swap_32) 451.1SmattATOMIC_OP_ALIAS(atomic_swap_ulong,_atomic_swap_32) 461.1SmattATOMIC_OP_ALIAS(atomic_swap_ptr,_atomic_swap_32) 471.1SmattCRT_ALIAS(__sync_lock_test_and_set_4,_atomic_swap_32) 481.1SmattCRT_ALIAS(__atomic_exchange_4,_atomic_swap_32) 491.1SmattSTRONG_ALIAS(_atomic_swap_uint,_atomic_swap_32) 501.1SmattSTRONG_ALIAS(_atomic_swap_ulong,_atomic_swap_32) 511.1SmattSTRONG_ALIAS(_atomic_swap_ptr,_atomic_swap_32) 521.1Smatt 531.1Smatt#if (!defined(_KERNEL) || defined(_RUMPKERNEL)) && !defined(_STANDALONE) 541.1SmattENTRY_NP(__sync_lock_release_4) 551.1Smatt l.sw 0(r3), r0 561.1Smatt l.jr lr 571.1Smatt l.nop 581.1SmattEND(__sync_lock_release_4) 591.1Smatt#endif 60