1/*	$NetBSD: startit.s,v 1.2 2002/05/20 05:58:45 mhitch Exp $	*/
2
3/*
4 * Copyright (c) 1996 Ignatios Souvatzis
5 * Copyright (c) 1994 Michael L. Hitch
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *      This product includes software developed by Michael L. Hitch.
19 * 4. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 *
34 * From: $NetBSD: startit.s,v 1.2 2002/05/20 05:58:45 mhitch Exp $
35 */
36#include "machine/asm.h"
37
38	.set	ABSEXECBASE,4
39
40	.text
41
42ENTRY_NOPROFILE(startit)
43	movel	4:w,%a6			| SysBase
44	movel	%sp@(4),%a0		| Boot loader address
45	movel	%sp@(8),%a1		| IOR
46	movel	%sp@(12),%a5		| Console data
47/*
48 * Installboot can modify the default command in the bootblock loader,
49 * but boot.amiga uses the default command in boot.amiga.  Copy the
50 * possibly modified default command before entering the boot loader.
51 */
52	lea	%pc@(_C_LABEL(default_command)),%a2
53	lea	%a0@(16),%a3
54	moveq	#(32/4)-1,%d0
55Lcommand:
56	movel	%a2@+,%a3@+
57	dbra	%d0,Lcommand
58
59	jsr	%a0@(12)
60	rts
61