/*      $NetBSD: cpufunc.S,v 1.4 2011/06/08 16:03:42 joerg Exp $        */

/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/

#include <machine/asm.h>

NENTRY(x86_read_psl)
       pushfl
       popl    %eax
       ret

NENTRY(x86_write_psl)
       movl    4(%esp), %eax
       pushl   %eax
       popfl
       ret

NENTRY(x86_disable_intr)
       cli
       ret

NENTRY(x86_enable_intr)
       sti
       ret

NENTRY(inb)
       movl    4(%esp), %edx
       xorl    %eax, %eax
       inb     %dx, %al
       ret

NENTRY(insb)
       pushl   %edi
       movl    8(%esp), %edx
       movl    12(%esp), %edi
       movl    16(%esp), %ecx
       cld
       rep
       insb
       popl    %edi
       ret

NENTRY(inw)
       movl    4(%esp), %edx
       xorl    %eax, %eax
       inw     %dx, %ax
       ret

NENTRY(insw)
       pushl   %edi
       movl    8(%esp), %edx
       movl    12(%esp), %edi
       movl    16(%esp), %ecx
       cld
       rep
       insw
       popl    %edi
       ret

NENTRY(inl)
       movl    4(%esp), %edx
       inl     %dx, %eax
       ret

NENTRY(insl)
       pushl   %edi
       movl    8(%esp), %edx
       movl    12(%esp), %edi
       movl    16(%esp), %ecx
       cld
       rep
       insl
       popl    %edi
       ret

NENTRY(outb)
       movl    4(%esp), %edx
       movl    8(%esp), %eax
       outb    %al, %dx
       ret

NENTRY(outsb)
       pushl   %esi
       movl    8(%esp), %edx
       movl    12(%esp), %esi
       movl    16(%esp), %ecx
       cld
       rep
       outsb
       popl    %esi
       ret

NENTRY(outw)
       movl    4(%esp), %edx
       movl    8(%esp), %eax
       outw    %ax, %dx
       ret

NENTRY(outsw)
       pushl   %esi
       movl    8(%esp), %edx
       movl    12(%esp), %esi
       movl    16(%esp), %ecx
       cld
       rep
       outsw
       popl    %esi
       ret

NENTRY(outl)
       movl    4(%esp), %edx
       movl    8(%esp), %eax
       outl    %eax, %dx
       ret

NENTRY(outsl)
       pushl   %esi
       movl    8(%esp), %edx
       movl    12(%esp), %esi
       movl    16(%esp), %ecx
       cld
       rep
       outsl
       popl    %esi
       ret