1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
/* $NetBSD: copy.c,v 1.2 1995/09/29 16:35:00 ragge Exp $ */
/*-
* Copyright (c) 1982, 1986 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)boot.c 7.15 (Berkeley) 5/4/91
*/
#include "sys/param.h"
#include "sys/reboot.h"
#include "lib/libsa/stand.h"
#include <a.out.h>
char line[100];
volatile u_int devtype, bootdev;
extern unsigned opendev;
static char *progname = "copy";
static char *iobuf = NULL;
static char *bufp = NULL;
static int bufsize = 0;
static int partlist[8];
int fill_buffer (void);
int write_disk (void);
main()
{
int adapt, ctlr, unit, part;
int res, i, loops;
char line[64];
autoconf ();
printf ("\n");
printf ("%s: \n", progname);
printf ("This program will read miniroot from tape/floppy/disk \n");
printf ("and install this miniroot onto disk.\n");
printf ("\n");
res = fill_buffer ();
if (res < 0) {
printf ("errors occured during read. Continue at your own risk.\n");
printf ("Do you want to continue ? [y/n] ");
gets (line);
if (*line != 'y' && *line != 'Y') {
printf ("bye.\n");
return (-1);
}
}
printf ("\n");
res = write_disk ();
printf ("\n");
printf ("Halt/Reboot the machine NOW.\n");
for (;;)
;
/* NOTREACHED */
}
int
fill_buffer (void)
{
char devname[64];
int numblocks;
int blocksize = 512;
int bpv = 0; /* blocks per volume */
int bpt = 8; /* blocks per transfer */
struct open_file file;
char *filename;
int i, loops;
int size, rsize;
int res, errors = 0;
again:
printf("\n");
printf("Specify the device to read from as xx(N,?), where\n");
printf("xx is the device-name, ? is file/partition number\n");
printf("and N is the unit-number, e.g.\n");
printf("\"tms(0,1)\" for the first TMSCP-tape (TK50),\n");
printf("\"ra(2,0)\" for the third MSCP-disk/floppy (RX33/RX50)\n");
printf("\n");
printf("device to read from ? ");
gets(devname);
printf("\n");
printf("Specify number of blocks to transfer. Usually this is\n");
printf("sizeof(miniroot) / 512.\n");
printf("It's safe to transfer more blocks than just the miniroot.\n");
printf("\n");
while (1) {
printf ("number of blocks ? ");
gets (line);
if (atoi(line) > 0) {
if (iobuf && bufsize)
free (iobuf, bufsize);
numblocks = atoi (line);
bufsize = 512 * numblocks;
iobuf = alloc (bufsize);
bufp = iobuf;
if (iobuf == NULL) {
printf ("cannot allocate this much memory.\n");
continue;
}
break;
}
printf ("invalid number %d.\n", atoi(line));
}
printf ("\n");
printf ("If your miniroot is split into volumes, then you must\n");
printf ("specify the number of blocks per volume.\n");
printf ("(e.g. 800 blocks per RX50, 2400 blocks per RX33)\n");
printf ("\n");
while (1) {
printf ("number of blocks per volume ? [%d] ", numblocks);
gets (line);
if (!*line || atoi(line) > 0) {
bpv = (atoi(line) > 0 ? atoi(line) : numblocks);
break;
}
printf ("invalid number %d.\n", atoi(line));
}
printf ("\n");
do {
printf ("Make sure unit %s is online and holds the proper volume.\n", devname);
printf ("Then type \'g\' to Go or \'a\' to Abort.\n");
printf ("\n");
printf ("OK to go on ? [g/a] ");
gets (line);
if (*line == 'g' || *line == 'G') {
printf ("Reading ... ");
if (devopen (&file, devname, &filename)) {
printf ("cannot open unit %s.\n", devname);
goto again;
}
loops = bpv / bpt + (bpv % bpt != 0);
for (i=0; i<loops; i++) {
twiddle ();
size = 512 * min (bpt, bpv - (i*bpt));
res = (*file.f_dev->dv_strategy)
(file.f_devdata, F_READ,
(daddr_t)i*bpt, size, bufp, &rsize);
if (res != 0) {
printf ("error %d in read.\n", res);
errors++;
/* continue ? halt ??? */
}
bufp += size;
}
numblocks -= bpv;
}
if (numblocks > 0) {
int vn = ((bufp - iobuf) / 512) / bpv;
printf ("\n");
printf ("volume #%d done. Now insert volume #%d\n",
vn - 1, vn);
}
} while (numblocks > 0);
printf ("Reading of miniroot done. (%d blocks read)\n",
(bufp - iobuf) / 512);
return (-errors);
}
int
write_disk (void)
{
char line[64];
char devname[64];
struct open_file file;
char *fname;
int rsize, res;
int i, errors = 0;
printf ("\n");
printf ("Now specify the device to write miniroot to as xx(N,1)\n");
printf ("where xx is the drive type and N is the drive number.\n");
printf ("For example: ra(0,1) refers to MSCP drive #0, b partition\n");
printf ("\n");
do {
printf ("Root disk ? : ");
gets (devname);
} while (devopen (&file, devname, &fname));
/*
* next: initialize the partition
*/
printf ("Initializing partition ... ");
bufp = iobuf + (16 * 512);
for (i=16; i<bufsize/512; i++) {
twiddle ();
res = (*file.f_dev->dv_strategy) (file.f_devdata, F_WRITE,
(daddr_t)i, 512, bufp, &rsize);
if (res != 0) {
errors++;
printf ("error writing block %d.\n");
printf ("trying to continue ...\n");
}
bufp += 512;
}
printf ("done.\n");
printf ("(%d blocks written.)\n", bufsize/512);
printf ("\n");
printf ("Halt the machine and reboot from distribution media,\n");
printf ("giving second partition as part to mount as root. Ex:\n");
printf (": ra(0,1) for ra disk 0, hp(2,1) for massbuss disk 2\n");
return (-errors);
}
|