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/* $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
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