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main.c revision 1.7.16.1
      1  1.7.16.1     tron /*	$NetBSD: main.c,v 1.7.16.1 2005/09/15 20:42:56 tron Exp $	*/
      2       1.1  thorpej 
      3       1.1  thorpej /*
      4       1.1  thorpej  * Copyright (c) 1996
      5       1.1  thorpej  * 	Matthias Drochner.  All rights reserved.
      6       1.1  thorpej  * Copyright (c) 1996
      7       1.1  thorpej  * 	Perry E. Metzger.  All rights reserved.
      8       1.1  thorpej  *
      9       1.1  thorpej  * Redistribution and use in source and binary forms, with or without
     10       1.1  thorpej  * modification, are permitted provided that the following conditions
     11       1.1  thorpej  * are met:
     12       1.1  thorpej  * 1. Redistributions of source code must retain the above copyright
     13       1.1  thorpej  *    notice, this list of conditions and the following disclaimer.
     14       1.1  thorpej  * 2. Redistributions in binary form must reproduce the above copyright
     15       1.1  thorpej  *    notice, this list of conditions and the following disclaimer in the
     16       1.1  thorpej  *    documentation and/or other materials provided with the distribution.
     17       1.1  thorpej  * 3. All advertising materials mentioning features or use of this software
     18       1.1  thorpej  *    must display the following acknowledgements:
     19       1.1  thorpej  *	This product includes software developed for the NetBSD Project
     20       1.1  thorpej  *	by Matthias Drochner.
     21       1.1  thorpej  *	This product includes software developed for the NetBSD Project
     22       1.1  thorpej  *	by Perry E. Metzger.
     23       1.1  thorpej  * 4. The names of the authors may not be used to endorse or promote products
     24       1.1  thorpej  *    derived from this software without specific prior written permission.
     25       1.1  thorpej  *
     26       1.1  thorpej  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     27       1.1  thorpej  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     28       1.1  thorpej  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     29       1.1  thorpej  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     30       1.1  thorpej  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     31       1.1  thorpej  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     32       1.1  thorpej  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     33       1.1  thorpej  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     34       1.1  thorpej  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     35       1.1  thorpej  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     36       1.1  thorpej  *
     37       1.1  thorpej  */
     38       1.1  thorpej 
     39       1.1  thorpej #include <lib/libkern/libkern.h>
     40       1.1  thorpej 
     41       1.1  thorpej #include <lib/libsa/stand.h>
     42       1.1  thorpej 
     43       1.1  thorpej #include <libi386.h>
     44       1.1  thorpej #include "pxeboot.h"
     45       1.1  thorpej 
     46       1.1  thorpej int errno;
     47       1.1  thorpej int debug;
     48       1.1  thorpej 
     49       1.1  thorpej extern char	bootprog_name[], bootprog_rev[], bootprog_date[],
     50       1.1  thorpej 		bootprog_maker[];
     51       1.1  thorpej 
     52       1.1  thorpej #define TIMEOUT 5
     53       1.1  thorpej 
     54       1.1  thorpej int	main(void);
     55       1.1  thorpej 
     56       1.1  thorpej void	command_help __P((char *));
     57       1.1  thorpej void	command_quit __P((char *));
     58       1.1  thorpej void	command_boot __P((char *));
     59  1.7.16.1     tron void	command_consdev(char *);
     60       1.1  thorpej 
     61       1.1  thorpej const struct bootblk_command commands[] = {
     62       1.1  thorpej 	{ "help",	command_help },
     63       1.1  thorpej 	{ "?",		command_help },
     64       1.1  thorpej 	{ "quit",	command_quit },
     65       1.1  thorpej 	{ "boot",	command_boot },
     66  1.7.16.1     tron 	{ "consdev",	command_consdev },
     67       1.1  thorpej 	{ NULL,		NULL },
     68       1.1  thorpej };
     69       1.1  thorpej 
     70       1.1  thorpej #ifdef COMPAT_OLDBOOT
     71       1.1  thorpej int
     72       1.1  thorpej parsebootfile(const char *fname, char **fsname, char **devname,
     73       1.1  thorpej     u_int *unit, u_int *partition, const char **file)
     74       1.1  thorpej {
     75       1.1  thorpej 	return (EINVAL);
     76       1.1  thorpej }
     77       1.1  thorpej 
     78       1.1  thorpej int
     79       1.1  thorpej biosdisk_gettype(struct open_file *f)
     80       1.1  thorpej {
     81       1.1  thorpej 	return (0);
     82       1.1  thorpej }
     83       1.1  thorpej #endif
     84       1.1  thorpej 
     85       1.1  thorpej static int
     86       1.1  thorpej bootit(const char *filename, int howto)
     87       1.1  thorpej {
     88       1.1  thorpej 	if (exec_netbsd(filename, 0, howto) < 0)
     89       1.1  thorpej 		printf("boot: %s\n", strerror(errno));
     90       1.1  thorpej 	else
     91       1.1  thorpej 		printf("boot returned\n");
     92       1.1  thorpej 	return (-1);
     93       1.1  thorpej }
     94       1.1  thorpej 
     95       1.1  thorpej static void
     96       1.1  thorpej print_banner(void)
     97       1.1  thorpej {
     98       1.1  thorpej 	int base = getbasemem();
     99       1.1  thorpej 	int ext = getextmem();
    100       1.1  thorpej 
    101       1.1  thorpej 	printf("\n"
    102       1.1  thorpej 	       ">> %s, Revision %s\n"
    103       1.1  thorpej 	       ">> (%s, %s)\n"
    104       1.1  thorpej 	       ">> Memory: %d/%d k\n",
    105       1.1  thorpej 	       bootprog_name, bootprog_rev,
    106       1.1  thorpej 	       bootprog_maker, bootprog_date,
    107       1.1  thorpej 	       base, ext);
    108       1.1  thorpej }
    109       1.1  thorpej 
    110       1.1  thorpej int
    111       1.1  thorpej main(void)
    112       1.1  thorpej {
    113       1.1  thorpej         char c;
    114       1.1  thorpej 
    115       1.4  thorpej #ifdef SUPPORT_SERIAL
    116       1.4  thorpej 	initio(SUPPORT_SERIAL);
    117       1.4  thorpej #else
    118       1.4  thorpej 	initio(CONSDEV_PC);
    119       1.4  thorpej #endif
    120       1.1  thorpej 	gateA20();
    121       1.1  thorpej 
    122       1.1  thorpej 	print_banner();
    123       1.1  thorpej 
    124       1.1  thorpej 	printf("Press return to boot now, any other key for boot menu\n");
    125       1.1  thorpej 	printf("Starting in ");
    126       1.1  thorpej 
    127       1.1  thorpej 	c = awaitkey(TIMEOUT, 1);
    128       1.1  thorpej 	if ((c != '\r') && (c != '\n') && (c != '\0')) {
    129       1.1  thorpej 		printf("type \"?\" or \"help\" for help.\n");
    130       1.1  thorpej 		bootmenu();	/* does not return */
    131       1.1  thorpej 	}
    132       1.1  thorpej 
    133       1.3  thorpej 	/*
    134       1.3  thorpej 	 * The file name provided here is just a default.  If the
    135       1.3  thorpej 	 * DHCP server provides a file name, we'll use that instead.
    136       1.3  thorpej 	 */
    137       1.1  thorpej 	bootit("netbsd", 0);
    138       1.1  thorpej 
    139       1.1  thorpej 	/*
    140       1.1  thorpej 	 * If that fails, let the BIOS try the next boot device.
    141       1.1  thorpej 	 */
    142       1.1  thorpej 	return (1);
    143       1.1  thorpej }
    144       1.1  thorpej 
    145       1.1  thorpej /* ARGSUSED */
    146       1.1  thorpej void
    147       1.1  thorpej command_help(char *arg)
    148       1.1  thorpej {
    149       1.1  thorpej 	printf("commands are:\n"
    150       1.1  thorpej 	       "boot [filename] [-adsqv]\n"
    151       1.1  thorpej 	       "     (ex. \"netbsd.old -s\"\n"
    152  1.7.16.1     tron 	       "consdev {pc|com[0123]|com[0123]kbd|auto}\n"
    153       1.1  thorpej 	       "help|?\n"
    154       1.1  thorpej 	       "quit\n");
    155       1.1  thorpej }
    156       1.1  thorpej 
    157       1.1  thorpej /* ARGSUSED */
    158       1.1  thorpej void
    159       1.1  thorpej command_quit(char *arg)
    160       1.1  thorpej {
    161  1.7.16.1     tron 
    162  1.7.16.1     tron 	printf("Exiting...\n");
    163  1.7.16.1     tron 	delay(1000000);
    164  1.7.16.1     tron 	reboot();
    165  1.7.16.1     tron 	/* Note: we shouldn't get to this point! */
    166  1.7.16.1     tron 	panic("Could not reboot!");
    167       1.1  thorpej 	exit(0);
    168       1.1  thorpej }
    169       1.1  thorpej 
    170       1.1  thorpej void
    171       1.1  thorpej command_boot(char *arg)
    172       1.1  thorpej {
    173       1.1  thorpej 	char *filename;
    174       1.1  thorpej 	int howto;
    175       1.1  thorpej 
    176       1.1  thorpej 	if (parseboot(arg, &filename, &howto))
    177       1.1  thorpej 		bootit(filename, howto);
    178       1.1  thorpej }
    179  1.7.16.1     tron 
    180  1.7.16.1     tron static const struct cons_devs {
    181  1.7.16.1     tron     const char	*name;
    182  1.7.16.1     tron     u_int	tag;
    183  1.7.16.1     tron } cons_devs[] = {
    184  1.7.16.1     tron 	{ "pc",		CONSDEV_PC },
    185  1.7.16.1     tron 	{ "com0",	CONSDEV_COM0 },
    186  1.7.16.1     tron 	{ "com1",	CONSDEV_COM1 },
    187  1.7.16.1     tron 	{ "com2",	CONSDEV_COM2 },
    188  1.7.16.1     tron 	{ "com3",	CONSDEV_COM3 },
    189  1.7.16.1     tron 	{ "com0kbd",	CONSDEV_COM0KBD },
    190  1.7.16.1     tron 	{ "com1kbd",	CONSDEV_COM1KBD },
    191  1.7.16.1     tron 	{ "com2kbd",	CONSDEV_COM2KBD },
    192  1.7.16.1     tron 	{ "com3kbd",	CONSDEV_COM3KBD },
    193  1.7.16.1     tron 	{ "auto",	CONSDEV_AUTO },
    194  1.7.16.1     tron 	{ 0, 0 } };
    195  1.7.16.1     tron 
    196  1.7.16.1     tron void
    197  1.7.16.1     tron command_consdev(char *arg)
    198  1.7.16.1     tron {
    199  1.7.16.1     tron 	const struct cons_devs *cdp;
    200  1.7.16.1     tron 
    201  1.7.16.1     tron 	for (cdp = cons_devs; cdp->name; cdp++) {
    202  1.7.16.1     tron 		if (!strcmp(arg, cdp->name)) {
    203  1.7.16.1     tron 			initio(cdp->tag);
    204  1.7.16.1     tron 			print_banner();
    205  1.7.16.1     tron 			return;
    206  1.7.16.1     tron 		}
    207  1.7.16.1     tron 	}
    208  1.7.16.1     tron 	printf("invalid console device.\n");
    209  1.7.16.1     tron }
    210