1 /* $NetBSD: bootxxx.c,v 1.10 2022/06/26 14:14:46 tsutsui 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 <lib/libsa/stand.h>
37 #include <atari_stand.h>
38 #include <libkern.h>
39 #include <sys/boot_flag.h>
40 #include <sys/reboot.h>
41 #include <machine/cpu.h>
42 #include <kparamb.h>
43 #include <libtos.h>
44 #include <tosdefs.h>
45
46 int bootxxx(void *, void *, osdsc_t *);
47 void boot_BSD(struct kparamb *)__attribute__((noreturn));
48
49 int
bootxxx(void * readsector,void * disklabel,osdsc_t * od)50 bootxxx(void *readsector, void *disklabel, osdsc_t *od)
51 {
52 int fd;
53 char *errmsg;
54 extern char end[], edata[];
55
56 memset(edata, 0, end - edata);
57
58 /* XXX: Limit should be 16MB */
59 setheap(end, (void*)0x1000000);
60 printf("\033v\nNetBSD/atari tertiary bootloader "
61 "($Revision: 1.10 $)\n\n");
62
63 if (init_dskio(readsector, disklabel, od->rootfs))
64 return -1;
65
66 sys_info(od);
67 if (!(od->cputype & ATARI_ANYCPU)) {
68 printf("Unknown CPU-type.\n");
69 return -2;
70 }
71
72 if ((fd = open(od->osname, 0)) < 0) {
73 printf("Cannot open kernel '%s'\n", od->osname);
74 return -3;
75 }
76
77 if (elf_load(fd, od, &errmsg, 1) != 0)
78 return -4;
79
80 boot_BSD(&od->kp);
81 return -5;
82
83 /* NOTREACHED */
84 }
85
86 void
_rtt(void)87 _rtt(void)
88 {
89
90 printf("Halting...\n");
91 for (;;)
92 ;
93 }
94