xref: /netbsd-src/sys/arch/zaurus/stand/zboot/crt0.c (revision af901e6821b099f0e66f8a990b0ac16c6ab6faf9)
1 /*	$NetBSD: crt0.c,v 1.1 2009/03/02 09:33:02 nonaka Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 NONAKA Kimihiro <nonaka@netbsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include "boot.h"
29 #include "unixdev.h"
30 
31 #define	HEAP_SIZE	(4 * 1024 * 1024)	/* heap: 4MB */
32 char heap_area[HEAP_SIZE];
33 
34 int debug = 1;
35 
36 void _start(void);
37 
38 void
_start(void)39 _start(void)
40 {
41 
42 	setheap(heap_area, heap_area + HEAP_SIZE);
43 
44 	boot(0);
45 
46 	uexit(0);
47 	/*NOTREACHED*/
48 }
49 
50 void
_rtt(void)51 _rtt(void)
52 {
53 
54 	uexit(1);
55 	/*NOTREACHED*/
56 }
57