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#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29#if defined(__lint)
30#include <kmdb/kmdb_start.h>
31#endif
32
33#include <sys/asm_linkage.h>
34
35/*
36 * This routine is called for the initial trip into the debugger.  We need
37 * to switch over to the debugger stack before entering the debugger.
38 * Subsequent re-entries will longjmp their way in.
39 */
40#if defined(__lint)
41void
42kmdb_first_start(void)
43{
44}
45#else
46
47	ENTRY(kmdb_first_start)
48	movl	kmdb_main_stack, %eax
49	movl	kmdb_main_stack_size, %ebx
50
51	addl	%ebx, %eax
52	subl	$1, %eax
53	andl	$_BITNOT(STACK_ALIGN-1), %eax
54
55	movl	%eax, %esp
56	clr	%ebx
57
58	call	kmdb_main
59
60	ret
61	SET_SIZE(kmdb_first_start)
62
63#endif
64