/* $OpenBSD: asm.S,v 1.2 1997/04/15 06:23:35 mickey Exp $ */ /*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)srt0.c 5.3 (Berkeley) 4/28/91 */ .globl _inb _inb: movl 4(%esp),%edx subl %eax,%eax # clr eax NOP inb %dx,%al ret .globl _outb _outb: movl 4(%esp),%edx NOP movl 8(%esp),%eax outb %al,%dx ret .globl ___udivsi3 ___udivsi3: movl 4(%esp),%eax xorl %edx,%edx divl 8(%esp) ret .globl ___divsi3 ___divsi3: movl 4(%esp),%eax xorl %edx,%edx cltd idivl 8(%esp) ret .globl _insw _insw: pushl %edi movw 8(%esp),%dx movl 12(%esp),%edi movl 16(%esp),%ecx NOP cld nop .byte 0x66,0xf2,0x6d # rep insw nop movl %edi,%eax popl %edi ret # outsw(port,addr,cnt) .globl _outsw _outsw: pushl %esi movw 8(%esp),%dx movl 12(%esp),%esi movl 16(%esp),%ecx NOP cld nop .byte 0x66,0xf2,0x6f # rep outsw nop movl %esi,%eax popl %esi ret