/*      $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