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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/asm_linkage.h>
#include <sys/asm_misc.h>
#if defined(__lint)
#include "dboot_asm.h"
/* ARGSUSED */
uint32_t
get_cpuid_edx(uint32_t *eax)
{ return (0); }
/* ARGSUSED */
void
outb(int port, uint8_t value)
{}
/* ARGSUSED */
uint8_t
inb(int port)
{ return (0); }
#else /* __lint */
#if defined(__amd64)
/*
* do a cpuid instruction, returning the eax/edx values
*
* uint32_t get_cpuid_edx(uint32_t *eax)
*/
ENTRY_NP(get_cpuid_edx)
pushq %rbx
movl (%rdi), %eax
cpuid
movl %eax, (%rdi)
movl %edx, %eax
popq %rbx
ret
SET_SIZE(get_cpuid_edx)
/*
* void outb(int port, uint8_t value)
*/
ENTRY(outb)
movw %di, %dx
movb %sil, %al
outb (%dx)
ret
SET_SIZE(outb)
/*
* uint8_t inb(int port)
*/
ENTRY(inb)
xorl %eax, %eax
movw %di, %dx
inb (%dx)
ret
SET_SIZE(inb)
ENTRY(htonl)
movl %edi, %eax
bswap %eax
ret
SET_SIZE(htonl)
#elif defined(__i386)
.code32
/*
* do a cpuid instruction, returning the eax/edx values
*
* uint32_t get_cpuid_edx(uint32_t *eax)
*/
ENTRY_NP(get_cpuid_edx)
movl 4(%esp), %ecx
movl (%ecx), %eax
pushl %ebx
cpuid
popl %ebx
movl 4(%esp), %ecx
movl %eax, (%ecx)
movl %edx, %eax
ret
SET_SIZE(get_cpuid_edx)
/*
* void outb(int port, uint8_t value)
*/
ENTRY_NP(outb)
movl 4(%esp), %edx
movl 8(%esp), %eax
outb (%dx)
ret
SET_SIZE(outb)
/*
* uint8_t inb(int port)
*/
ENTRY_NP(inb)
movl 4(%esp), %edx
inb (%dx)
andl $0xff, %eax
ret
SET_SIZE(inb)
ENTRY(htonl)
movl 4(%esp), %eax
bswap %eax
ret
SET_SIZE(htonl)
#endif /* __i386 */
#endif /* __lint */
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