xref: /illumos-gate/usr/src/lib/libcpc/i386/getcpuid.S (revision 5d9d9091f564c198a760790b0bfa72c44e17912b)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include <sys/asm_linkage.h>
28
29#if defined(lint)
30
31#include <sys/types.h>
32#include <sys/inttypes.h>
33
34#include "getcpuid.h"
35
36/*ARGSUSED*/
37uint32_t
38cpc_getcpuid(uint32_t eax, uint32_t *ebxp, uint32_t *ecxp, uint32_t *edxp)
39{ return (0); }
40
41#else	/* lint */
42
43	ENTRY(cpc_getcpuid)
44	pushl	%ebp
45	movl	%esp, %ebp
46	pushl	%ebx
47	movl	8(%ebp), %eax
48	cpuid
49	pushl	%eax
50	movl	0xc(%ebp), %eax
51	movl	%ebx, (%eax)
52	movl	0x10(%ebp), %eax
53	movl	%ecx, (%eax)
54	movl	0x14(%ebp), %eax
55	movl	%edx, (%eax)
56	popl	%eax
57	popl	%ebx
58	popl	%ebp
59	ret
60	SET_SIZE(cpc_getcpuid)
61
62#endif	/* lint */
63