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      1 /*	$NetBSD: boot.c,v 1.17 2016/06/11 06:33:30 dholland 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. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  *
     31  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
     32  */
     33 
     34 #include <sys/param.h>
     35 #include <sys/reboot.h>
     36 #include <machine/prom.h>
     37 
     38 #include <lib/libkern/libkern.h>
     39 
     40 #include <lib/libsa/stand.h>
     41 #include "libsa.h"
     42 #include "config.h"
     43 
     44 int main(void);
     45 
     46 extern	char bootprog_name[], bootprog_rev[];
     47 char	line[80];
     48 
     49 int
     50 main(void)
     51 {
     52 	char *cp, *file;
     53 	int ask = 0, howto, part, sboot = 0;
     54 
     55 	printf(">> %s MVME%x netboot (via %s) [%s]\n",
     56 	    bootprog_name, bugargs.cputyp, bugargs.arg_start, bootprog_rev);
     57 	if (memcmp("sboot", bugargs.arg_start, 5) == 0)
     58 		sboot = 1;
     59 	/* cycle in the correct args */
     60 	bugargs.arg_start = bugargs.nbarg_start;
     61 	bugargs.arg_end   = bugargs.nbarg_end;
     62 	*bugargs.arg_end = 0; /* ensure */
     63 
     64 	parse_args(&file, &howto, &part);
     65 
     66 	for (;;) {
     67 		if (ask) {
     68 			printf("boot: ");
     69 			kgets(line, sizeof(line));
     70 			if (line[0]) {
     71 				bugargs.arg_start = line;
     72 				cp = line;
     73 				while (cp < (line + sizeof(line) - 1) && *cp)
     74 					cp++;
     75 				bugargs.arg_end = cp;
     76 				parse_args(&file, &howto, &part);
     77 			}
     78 		}
     79 		if (sboot)
     80 			howto |= RB_SBOOT;
     81 		exec_mvme(file, howto, part);
     82 		printf("boot: %s: %s\n", file, strerror(errno));
     83 		ask = 1;
     84 	}
     85 }
     86 
     87 /*
     88  * machdep_common_ether: get ethernet address
     89  */
     90 void
     91 machdep_common_ether(u_char *ether)
     92 {
     93 	u_char *ea;
     94 
     95 	if (bugargs.cputyp == CPU_147) {
     96 		ea = (u_char *) ETHER_ADDR_147;
     97 
     98 		if ((*(int *)ea & 0x2fffff00) == 0x2fffff00)
     99 			panic("ERROR: ethernet address not set!");
    100 		ether[0] = 0x08;
    101 		ether[1] = 0x00;
    102 		ether[2] = 0x3e;
    103 		ether[3] = ea[0];
    104 		ether[4] = ea[1];
    105 		ether[5] = ea[2];
    106 	} else {
    107 		ea = (u_char *)ETHER_ADDR_16X;
    108 
    109 		if (ea[0] + ea[1] + ea[2] + ea[3] + ea[4] + ea[5] == 0)
    110 			panic("ERROR: ethernet address not set!");
    111 		ether[0] = ea[0];
    112 		ether[1] = ea[1];
    113 		ether[2] = ea[2];
    114 		ether[3] = ea[3];
    115 		ether[4] = ea[4];
    116 		ether[5] = ea[5];
    117 	}
    118 }
    119