1/*	$NetBSD: main.c,v 1.17 2009/03/21 15:01:56 ad Exp $	 */
2
3/*
4 * Copyright (c) 1996
5 * 	Matthias Drochner.  All rights reserved.
6 * Copyright (c) 1996
7 * 	Perry E. Metzger.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgements:
19 *	This product includes software developed for the NetBSD Project
20 *	by Matthias Drochner.
21 *	This product includes software developed for the NetBSD Project
22 *	by Perry E. Metzger.
23 * 4. The names of the authors may not be used to endorse or promote products
24 *    derived from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
27 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
28 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
30 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
31 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
35 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 */
38
39
40#include <lib/libkern/libkern.h>
41
42#include <lib/libsa/stand.h>
43
44#include <libi386.h>
45
46int errno;
47
48extern char	bootprog_name[], bootprog_rev[], bootprog_kernrev[];
49
50#define TIMEOUT 5
51
52void	command_help(char *);
53void	command_quit(char *);
54void	command_boot(char *);
55
56const struct bootblk_command commands[] = {
57	{ "help",	command_help },
58	{ "?",		command_help },
59	{ "quit",	command_quit },
60	{ "boot",	command_boot },
61	{ NULL,		NULL },
62};
63
64int
65bootit(const char *filename, int howto)
66{
67	if (exec_netbsd(filename, 0, howto, 0, clear_pc_screen) < 0)
68		printf("boot: %s\n", strerror(errno));
69	else
70		printf("boot returned\n");
71	return (-1);
72}
73
74static void
75print_banner(void)
76{
77	clear_pc_screen();
78
79	printf("\n"
80	       ">> %s, Revision %s (from NetBSD %s)\n"
81	       ">> Memory: %d/%d k\n"
82	       "Press return to boot now, any other key for boot menu\n"
83	       "starting in ",
84	       bootprog_name, bootprog_rev, bootprog_kernrev,
85	       getbasemem(), getextmem());
86}
87
88int
89main(void)
90{
91        char c;
92
93	initio(CONSDEV_AUTO);
94	gateA20();
95
96	print_banner();
97
98	c = awaitkey(TIMEOUT, 1);
99	if ((c != '\r') && (c != '\n') && (c != '\0')) {
100		printf("type \"?\" or \"help\" for help.\n");
101		bootmenu();	/* does not return */
102	}
103
104	bootit("netbsd", 0);
105
106	/* if that fails, let BIOS look for boot device */
107	return (1);
108}
109
110/* ARGSUSED */
111void
112command_help(char *arg)
113{
114	printf("commands are:\n"
115	       "boot [filename] [-acdqsv]\n"
116	       "     (ex. \"netbsd.old -s\"\n"
117	       "help|?\n"
118	       "quit\n");
119}
120
121/* ARGSUSED */
122void
123command_quit(char *arg)
124{
125	printf("Exiting... goodbye...\n");
126	_rtt();
127}
128
129void
130command_boot(char *arg)
131{
132	char *filename;
133	int howto;
134
135	if (parseboot(arg, &filename, &howto))
136		bootit(filename, howto);
137}
138