165 lines
4.0 KiB
C
165 lines
4.0 KiB
C
/* $NetBSD: main.c,v 1.5 1997/09/17 18:52:41 drochner Exp $ */
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/*
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* Copyright (c) 1996
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* Matthias Drochner. All rights reserved.
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* Copyright (c) 1996
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* Perry E. Metzger. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgements:
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* This product includes software developed for the NetBSD Project
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* by Matthias Drochner.
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* This product includes software developed for the NetBSD Project
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* by Perry E. Metzger.
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* 4. The names of the authors may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <lib/libkern/libkern.h>
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#include <lib/libsa/stand.h>
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#include <libi386.h>
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int errno;
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extern char bootprog_name[], bootprog_rev[], bootprog_date[],
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bootprog_maker[];
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#define TIMEOUT 5
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void command_help __P((char *));
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void command_quit __P((char *));
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void command_boot __P((char *));
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struct bootblk_command commands[] = {
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{ "help", command_help },
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{ "?", command_help },
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{ "quit", command_quit },
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{ "boot", command_boot },
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{ NULL, NULL },
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};
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#ifdef COMPAT_OLDBOOT
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int
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parsebootfile(fname, fsname, devname, unit, partition, file)
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const char *fname;
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char **fsname; /* out */
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char **devname;/* out */
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unsigned int *unit, *partition; /* out */
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const char **file; /* out */
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{
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return (EINVAL);
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}
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int
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biosdisk_gettype(f)
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struct open_file *f;
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{
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return (0);
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}
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#endif
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int
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bootit(filename, howto)
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const char *filename;
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int howto;
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{
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if (exec_netbsd(filename, 0, howto) < 0)
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printf("boot: %s\n", strerror(errno));
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else
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printf("boot returned\n");
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return (-1);
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}
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static void
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print_banner(void)
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{
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printf("\n"
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">> %s, Revision %s\n"
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">> (%s, %s)\n"
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">> Memory: %d/%d k\n"
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"Press return to boot now, any other key for boot menu\n"
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"starting in ",
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bootprog_name, bootprog_rev,
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bootprog_maker, bootprog_date,
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getbasemem(), getextmem());
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}
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int
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main()
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{
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char c;
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initio(CONSDEV_AUTO);
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gateA20();
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print_banner();
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c = awaitkey(TIMEOUT, 1);
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if ((c != '\r') && (c != '\n') && (c != '\0')) {
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printf("type \"?\" or \"help\" for help.\n");
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bootmenu(); /* does not return */
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}
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bootit("netbsd", 0);
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/* if that fails, let BIOS look for boot device */
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return (1);
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}
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/* ARGSUSED */
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void
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command_help(arg)
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char *arg;
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{
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printf("commands are:\n"
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"boot [filename] [-adrs]\n"
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" (ex. \"netbsd.old -s\"\n"
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"help|?\n"
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"quit\n");
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}
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/* ARGSUSED */
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void
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command_quit(arg)
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char *arg;
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{
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printf("Exiting... goodbye...\n");
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exit(0);
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}
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void
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command_boot(arg)
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char *arg;
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{
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char *filename;
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int howto;
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if (parseboot(arg, &filename, &howto))
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bootit(filename, howto);
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}
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