/*-
* Copyright (c) 2008, Kohsuke Ohtani
* All rights reserved.
*
* 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. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
ENTRY(breakpoint)
int $3
ret
ENTRY(outb)
movl 4(%esp), %eax
movl 8(%esp), %edx
outb %al, %dx
ret
ENTRY(outw)
movl 4(%esp), %eax
movl 8(%esp), %edx
outw %ax, %dx
ret
ENTRY(outl)
movl 4(%esp), %eax
movl 8(%esp), %edx
outl %eax, %dx
ret
ENTRY(inb)
movl 4(%esp), %edx
xorl %eax, %eax
inb %dx, %al
ret
ENTRY(inw)
movl 4(%esp), %edx
xorl %eax, %eax
inw %dx, %ax
ret
ENTRY(inl)
movl 4(%esp), %edx
inl %dx, %eax
ret
ENTRY(outb_p)
movl 4(%esp), %eax
movl 8(%esp), %edx
outb %al, %dx
outb %al, $0x80
ret
ENTRY(inb_p)
movl 4(%esp), %edx
xorl %eax, %eax
inb %dx, %al
outb %al, $0x80
ret
ENTRY(rdmsr)
movl 4(%esp), %ecx
rdmsr
movl 8(%esp), %ecx
movl %eax, (%ecx)
movl 12(%esp), %ecx
movl %edx, (%ecx)
ret
ENTRY(wrmsr)
movl 4(%esp), %ecx
movl 8(%esp), %eax
movl 12(%esp), %edx
wrmsr
ret
ENTRY(cpuid)
pushl %ebx
pushl %edi
movl 12(%esp), %eax
movl 16(%esp), %edi
cpuid
movl %eax, 0(%edi)
movl %ebx, 4(%edi)
movl %ecx, 8(%edi)
movl %edx, 12(%edi)
popl %edi
popl %ebx
ret