xref: /netbsd/sys/arch/mvme68k/stand/netboot/boot.c (revision bf9ec67e)
1 /*	$NetBSD: boot.c,v 1.9 2002/05/03 20:48:34 scw 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 #include <machine/prom.h>
41 
42 #include <lib/libkern/libkern.h>
43 
44 #include "stand.h"
45 #include "libsa.h"
46 #include "config.h"
47 
48 int main(void);
49 
50 extern	char bootprog_name[], bootprog_rev[];
51 char	line[80];
52 
53 int
54 main()
55 {
56 	char *cp, *file;
57 	int ask = 0, howto, part, sboot = 0;
58 
59 	printf(">> %s MVME%x netboot (via %s) [%s]\n",
60 		bootprog_name, bugargs.cputyp, bugargs.arg_start, bootprog_rev);
61 	if (memcmp("sboot", bugargs.arg_start, 5) == 0)
62 		sboot = 1;
63 	/* cycle in the correct args */
64 	bugargs.arg_start = bugargs.nbarg_start;
65 	bugargs.arg_end   = bugargs.nbarg_end;
66 	*bugargs.arg_end = 0; /* ensure */
67 
68 	parse_args(&file, &howto, &part);
69 
70 	for (;;) {
71 		if (ask) {
72 			printf("boot: ");
73 			gets(line);
74 			if (line[0]) {
75 				bugargs.arg_start = line;
76 				cp = line;
77 				while (cp < (line + sizeof(line) - 1) && *cp)
78 					cp++;
79 				bugargs.arg_end = cp;
80 				parse_args(&file, &howto, &part);
81 			}
82 		}
83 		if (sboot)
84 			howto |= RB_SBOOT;
85 		exec_mvme(file, howto, part);
86 		printf("boot: %s: %s\n", file, strerror(errno));
87 		ask = 1;
88 	}
89 }
90 
91 /*
92  * machdep_common_ether: get ethernet address
93  */
94 void
95 machdep_common_ether(ether)
96 	u_char *ether;
97 {
98 	u_char *ea;
99 
100 	if (bugargs.cputyp == CPU_147) {
101 		ea = (u_char *) ETHER_ADDR_147;
102 
103 		if ((*(int *) ea & 0x2fffff00) == 0x2fffff00)
104 			panic("ERROR: ethernet address not set!\r\n");
105 		ether[0] = 0x08;
106 		ether[1] = 0x00;
107 		ether[2] = 0x3e;
108 		ether[3] = ea[0];
109 		ether[4] = ea[1];
110 		ether[5] = ea[2];
111 	} else {
112 		ea = (u_char *) ETHER_ADDR_16X;
113 
114 		if (ea[0] + ea[1] + ea[2] + ea[3] + ea[4] + ea[5] == 0)
115 			panic("ERROR: ethernet address not set!\r\n");
116 		ether[0] = ea[0];
117 		ether[1] = ea[1];
118 		ether[2] = ea[2];
119 		ether[3] = ea[3];
120 		ether[4] = ea[4];
121 		ether[5] = ea[5];
122 	}
123 }
124