xref: /netbsd/sys/arch/atari/stand/bootxxx/bootxxx.c (revision bf9ec67e)
1 /*	$NetBSD: bootxxx.c,v 1.1.1.1 2001/10/13 20:06:57 leo Exp $	*/
2 
3 /*
4  * Copyright (c) 2001 Leo Weppelman.
5  * Copyright (c) 1995 Waldi Ravens.
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 Waldi Ravens.
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 #define	boot_BSD	bsd_startup
35 
36 #include <stand.h>
37 #include <atari_stand.h>
38 #include <string.h>
39 #include <libkern.h>
40 #include <sys/boot_flag.h>
41 #include <sys/reboot.h>
42 #include <machine/cpu.h>
43 #include <kparamb.h>
44 #include <libtos.h>
45 #include <tosdefs.h>
46 
47 void	boot_BSD __P((struct kparamb *)__attribute__((noreturn)));
48 
49 int
50 bootxxx(readsector, disklabel, od)
51 	void	*readsector,
52 		*disklabel;
53 	osdsc_t	*od;
54 {
55 	int		fd;
56 	char		*errmsg;
57 	extern char	end[], edata[];
58 
59 	bzero(edata, end - edata);
60 
61 	/* XXX: Limit should be 16MB */
62 	setheap(end, (void*)0x1000000);
63 	printf("\033v\nNetBSD/Atari tertiary bootloader "
64 					"($Revision: 1.1.1.1 $)\n\n");
65 
66 	if (init_dskio(readsector, disklabel, od->rootfs))
67 		return(-1);
68 
69 	sys_info(od);
70 	if (!(od->cputype & ATARI_ANYCPU)) {
71 		printf("Unknown CPU-type.\n");
72 		return(-2);
73 	}
74 
75 	if ((fd = open(od->osname, 0)) < 0) {
76 		printf("Cannot open kernel '%s'\n", od->osname);
77 		return (-3);
78 	}
79 
80 #ifndef __ELF__		/* a.out */
81 	if (aout_load(fd, od, &errmsg, 1) != 0)
82 #else
83 	if (elf_load(fd, od, &errmsg, 1) != 0)
84 #endif
85 		return(-4);
86 
87 	boot_BSD(&od->kp);
88 	return(-5);
89 
90 	/* NOTREACHED */
91 }
92 
93 void
94 _rtt()
95 {
96 	printf("Halting...\n");
97 	for(;;)
98 		;
99 }
100