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boot.c revision 1.2 
      1 /*	$NetBSD: boot.c,v 1.2 1995/10/12 20:39:49 chuck Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1982, 1986, 1990, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
     36  */
     37 
     38 #include <sys/param.h>
     39 #include <sys/reboot.h>
     40 
     41 #include "stand.h"
     42 
     43 /*
     44  * Boot device is derived from ROM provided information.
     45  */
     46 #define LOADADDR	0x8000
     47 
     48 extern	char *version;
     49 extern	char *cmd_parse();
     50 char	defname[32] = "netbsd";
     51 char	line[80];
     52 int 	boothowto;
     53 
     54 
     55 main(cline)
     56 char *cline;
     57 {
     58 	char *cp, *file;
     59 	int	io;
     60 
     61 	printf(">> NetBSD netboot [%s]\n", version);
     62 	file = cmd_parse(cline, &boothowto);
     63 	if (file == NULL)
     64 		file = defname;
     65 
     66 	for (;;) {
     67 		if (boothowto & RB_ASKNAME) {
     68 			printf("boot: ");
     69 			gets(line);
     70 			if (line[0])
     71 				file = line;
     72 		}
     73 		exec_mvme(file, LOADADDR, boothowto);
     74 		printf("boot: %s: %s\n", file, strerror(errno));
     75 		boothowto |= RB_ASKNAME;
     76 	}
     77 }
     78