1*f14fb602SLionel Sambuc/* $NetBSD: memset.S,v 1.2 2011/01/25 04:45:28 matt Exp $ */ 2b6cbf720SGianluca Guida/*- 3b6cbf720SGianluca Guida * Copyright (c) 1990, 1993 4b6cbf720SGianluca Guida * The Regents of the University of California. All rights reserved. 5b6cbf720SGianluca Guida * 6b6cbf720SGianluca Guida * Redistribution and use in source and binary forms, with or without 7b6cbf720SGianluca Guida * modification, are permitted provided that the following conditions 8b6cbf720SGianluca Guida * are met: 9b6cbf720SGianluca Guida * 1. Redistributions of source code must retain the above copyright 10b6cbf720SGianluca Guida * notice, this list of conditions and the following disclaimer. 11b6cbf720SGianluca Guida * 2. Redistributions in binary form must reproduce the above copyright 12b6cbf720SGianluca Guida * notice, this list of conditions and the following disclaimer in the 13b6cbf720SGianluca Guida * documentation and/or other materials provided with the distribution. 14b6cbf720SGianluca Guida * 3. Neither the name of the University nor the names of its contributors 15b6cbf720SGianluca Guida * may be used to endorse or promote products derived from this software 16b6cbf720SGianluca Guida * without specific prior written permission. 17b6cbf720SGianluca Guida * 18b6cbf720SGianluca Guida * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19b6cbf720SGianluca Guida * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20b6cbf720SGianluca Guida * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21b6cbf720SGianluca Guida * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22b6cbf720SGianluca Guida * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23b6cbf720SGianluca Guida * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24b6cbf720SGianluca Guida * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25b6cbf720SGianluca Guida * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26b6cbf720SGianluca Guida * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27b6cbf720SGianluca Guida * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28b6cbf720SGianluca Guida * SUCH DAMAGE. 29b6cbf720SGianluca Guida */ 30b6cbf720SGianluca Guida 31*f14fb602SLionel Sambuc#include <machine/asm.h> 32*f14fb602SLionel Sambuc 33*f14fb602SLionel Sambuc/* .asciz "@(#)memset.s 8.1 (Berkeley) 6/4/93" */ 34*f14fb602SLionel SambucRCSID("$NetBSD: memset.S,v 1.2 2011/01/25 04:45:28 matt Exp $") 35b6cbf720SGianluca Guida 36b6cbf720SGianluca Guida/* void *memset(base, c, length) */ 37b6cbf720SGianluca Guida 38b6cbf720SGianluca GuidaENTRY(memset, 0) 39b6cbf720SGianluca Guida movl 4(%ap),%r3 40b6cbf720SGianluca Guida1: 41b6cbf720SGianluca Guida movzwl $65535,%r0 42b6cbf720SGianluca Guida movq 8(%ap),%r1 43b6cbf720SGianluca Guida cmpl %r2,%r0 44b6cbf720SGianluca Guida jgtru 2f 45b6cbf720SGianluca Guida movc5 $0,(%r3),%r1,%r2,(%r3) 46b6cbf720SGianluca Guida movl %r1,%r0 47b6cbf720SGianluca Guida ret 48b6cbf720SGianluca Guida2: 49b6cbf720SGianluca Guida subl2 %r0,12(%ap) 50b6cbf720SGianluca Guida movc5 $0,(%r3),%r1,%r0,(%r3) 51b6cbf720SGianluca Guida jbr 1b 52*f14fb602SLionel SambucEND(memset) 53