1*42d2c245Sguenther/* $OpenBSD: bcopy.S,v 1.7 2022/05/24 17:15:23 guenther Exp $ */ 2d987040fSdrahn/* $NetBSD: bcopy.S,v 1.2 2001/07/16 05:50:06 matt Exp $ */ 3d987040fSdrahn 4d987040fSdrahn/*- 5d987040fSdrahn * Copyright (c) 1997 The NetBSD Foundation, Inc. 6d987040fSdrahn * All rights reserved. 7d987040fSdrahn * 8d987040fSdrahn * This code is derived from software contributed to The NetBSD Foundation 9d987040fSdrahn * by Neil A. Carson and Mark Brinicombe 10d987040fSdrahn * 11d987040fSdrahn * Redistribution and use in source and binary forms, with or without 12d987040fSdrahn * modification, are permitted provided that the following conditions 13d987040fSdrahn * are met: 14d987040fSdrahn * 1. Redistributions of source code must retain the above copyright 15d987040fSdrahn * notice, this list of conditions and the following disclaimer. 16d987040fSdrahn * 2. Redistributions in binary form must reproduce the above copyright 17d987040fSdrahn * notice, this list of conditions and the following disclaimer in the 18d987040fSdrahn * documentation and/or other materials provided with the distribution. 19d987040fSdrahn * 20d987040fSdrahn * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21d987040fSdrahn * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22d987040fSdrahn * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23d987040fSdrahn * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24d987040fSdrahn * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25d987040fSdrahn * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26d987040fSdrahn * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27d987040fSdrahn * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28d987040fSdrahn * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29d987040fSdrahn * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30d987040fSdrahn * POSSIBILITY OF SUCH DAMAGE. 31d987040fSdrahn */ 32d987040fSdrahn 3338848718Sguenther#include "DEFS.h" 34d987040fSdrahn 35d987040fSdrahn/* bcopy = memcpy/memmove with arguments reversed. */ 36d987040fSdrahn 37*42d2c245SguentherENTRY_NB(bcopy) 38d987040fSdrahn /* switch the source and destination registers */ 39d987040fSdrahn eor r0, r1, r0 40d987040fSdrahn eor r1, r0, r1 41d987040fSdrahn eor r0, r1, r0 428ead0783Sguenther b _memcpy 439b9d2a55SguentherEND_WEAK(bcopy) 44