x86_64-asm.S revision 1.1 
11.1Sad/*	$NetBSD: x86_64-asm.S,v 1.1 2008/05/05 17:54:14 ad Exp $	*/
21.1Sad
31.1Sad/*-
41.1Sad * Copyright (c) 2007 The NetBSD Foundation, Inc.
51.1Sad * All rights reserved.
61.1Sad *
71.1Sad * Redistribution and use in source and binary forms, with or without
81.1Sad * modification, are permitted provided that the following conditions
91.1Sad * are met:
101.1Sad * 1. Redistributions of source code must retain the above copyright
111.1Sad *    notice, this list of conditions and the following disclaimer.
121.1Sad * 2. Redistributions in binary form must reproduce the above copyright
131.1Sad *    notice, this list of conditions and the following disclaimer in the
141.1Sad *    documentation and/or other materials provided with the distribution.
151.1Sad *
161.1Sad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
171.1Sad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
181.1Sad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
191.1Sad * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
201.1Sad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
211.1Sad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
221.1Sad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
231.1Sad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
241.1Sad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
251.1Sad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
261.1Sad * POSSIBILITY OF SUCH DAMAGE.
271.1Sad */
281.1Sad
291.1Sad#include <machine/asm.h>
301.1Sad
311.1Sad	.data
321.1Sad
331.1Sad_C_LABEL(cpu):
341.1Sad	.long	0
351.1Sad	.globl	_C_LABEL(cpu)
361.1Sad_C_LABEL(cpu_info_level):
371.1Sad	.long	-1
381.1Sad	.globl	_C_LABEL(cpu_info_level)
391.1Sad
401.1Sad	.text
411.1Sad
421.1SadENTRY(x86_cpuid2)
431.1Sad	pushq	%rbx
441.1Sad	movq	%rdi, %rax
451.1Sad	movq	%rsi, %rcx
461.1Sad	movq	%rdx, %rsi
471.1Sad	cpuid
481.1Sad	movl	%eax, 0(%rsi)
491.1Sad	movl	%ebx, 4(%rsi)
501.1Sad	movl	%ecx, 8(%rsi)
511.1Sad	movl	%edx, 12(%rsi)
521.1Sad	popq	%rbx
531.1Sad	ret
541.1Sad
551.1SadENTRY(x86_identify)
561.1Sad	pushq	%rbx
571.1Sad	cpuid
581.1Sad	movl	%eax,_C_LABEL(cpu_info_level)
591.1Sad	popq	%rbx
601.1Sad	ret
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