xref: /titanic_41/usr/src/uts/intel/amd64/krtld/kobj_crt.s (revision b3697b90e692e3e5d859fb77d285d4c056d99eda)
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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28/*
29 * exit routine from linker/loader to kernel
30 */
31
32#include <sys/asm_linkage.h>
33#include <sys/reboot.h>
34
35/*
36 *  exitto is called from main() and does 1 things
37 *	It then jumps directly to the just-loaded standalone.
38 *	There is NO RETURN from exitto().
39 */
40
41#if defined(lint)
42
43/* ARGSUSED */
44void
45exitto(caddr_t entrypoint)
46{}
47
48#else	/* lint */
49
50
51	ENTRY(exitto)
52
53	/preserve destination in temporary register %r11
54	movq	%rdi, %r11
55
56	/holds address of array of pointers to functions
57	/ $arg1
58	movq	$romp, %rax
59	movq    (%rax), %rdi
60
61	/holds address of bootops structure
62	/ $arg2
63	movq	$ops, %rax
64	movq    (%rax), %rdx
65
66	/ Call destination
67	call   *%r11
68
69	SET_SIZE(exitto)
70
71#endif
72
73