xref: /netbsd/sys/arch/mvme68k/stand/netboot/boot.c (revision 6550d01e)
1 /*	$NetBSD: boot.c,v 1.16 2008/01/12 09:54:32 tsutsui 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 			gets(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