summaryrefslogtreecommitdiff
path: root/ubi-utils/sort-me-out/ubigen.c
blob: 3b1fc0e095a14f8bdb2ca27cbd33614cb85a22ec (plain)
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
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
/*
 * Copyright (c) International Business Machines Corp., 2006
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
 * the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 * An utility to generate UBI images.
 *
 * Authors: Oliver Lohmann
 *          Artem Bityutskiy
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <sys/stat.h>
#include <mtd/ubi-header.h>

#include "ubigen.h"
#include "common.h"

#define PROGRAM_VERSION "1.4"
#define PROGRAM_NAME    "ubigen"

struct args {
	FILE *fp_in;
	FILE *fp_out;
	int peb_size;
	int id;
	int min_io_size;
	int type;
	int sub_page_size;
	int alignment;
	int vid_hdr_offs;
	int ec;
	int ubi_ver;
};

struct args args = {
	.fp_in = NULL,
	.fp_out = NULL,
	.peb_size = -1,
	.id = -1,
	.min_io_size = -1,
	.type = UBI_VID_DYNAMIC,
	.sub_page_size = -1,
	.alignment = 1,
	.vid_hdr_offs = 0,
	.ec = 0,
	.ubi_ver = 0,
};

static const char *doc = PROGRAM_NAME " version " PROGRAM_VERSION
" - a tool for adding UBI headers to a binary image.\n"
"Note, the images generated by this program are not ready to be used\n"
"because they do not contain the volume table. If not sure about one\n"
"of the parameters, do not specify and let the utility to use default\n"
"values.";

static const char *optionsstr =
"-i, --infile=<filename>       the input file\n"
"-o, --outfile=<filename>      the output file (default is stdout)\n"
"-b, --peb-size=<bytes>        size of the physical eraseblock of the flash this\n"
"                              UBI image is created for in bytes, kilobytes (KiB),\n"
"                              or megabytes (MiB) (mandatory parameter)\n"
"-I, --vol-id=<num>            volume ID (mandatory parameter)\n"
"-m, --min-io-size=<bytes>     minimum input/output unit size of the flash in bytes\n"
"                              kilobytes (KiB), or megabytes (MiB) (mandatory\n"
"                              parameter); e.g. this is NAND page size in case of\n"
"                              NAND flash\n"
"-t, --type=<static|dynamic>   volume type: dynamic or static (default is dynamic)\n"
"-s, --sub-page-size=<bytes>   minimum input/output unit used for UBI headers, e.g.\n"
"                              sub-page size in case of NAND flash (equivalent to\n"
"                              the minimum input/output unit size by default)\n"
"-a, --alignment=<bytes>       volume alignment in bytes, kilobytes (KiB), or\n"
"                              megabytes (MiB) (default is 1)\n"
"-O, --vid-hdr-offset=<num>    offset if the VID header from start of the physical\n"
"                              eraseblock (default is the second minimum I/O unit\n"
"                              or sub-page, if it was specified)\n"
"-e, --erase-counter=<num>     the erase counter value to put to EC headers\n"
"                              (default is 0)\n"
"-x, --ubi-ver=<num>            UBI version number to put to EC headers\n"
"                              (default is 1)\n"
"-h, --help                    print help message\n"
"-V, --version                 print program version";

static const char *usage =
"Usage: " PROGRAM_NAME " -i <input file> -o <output file> -b <PEB size>\n"
"              -I <volume ID> -m <min I/O unit size> [-s <sub-page size>]\n"
"              [-a <alignment>] [-O <volume ID header offset>]\n"
"              [-e <erase counter value>] [-x <UBI version>] [-h] [-V]";

struct option long_options[] = {
	{ .name = "infile",         .has_arg = 1, .flag = NULL, .val = 'i' },
	{ .name = "outfile",        .has_arg = 1, .flag = NULL, .val = 'o' },
	{ .name = "peb-size",       .has_arg = 1, .flag = NULL, .val = 'b' },
	{ .name = "vol-id",         .has_arg = 1, .flag = NULL, .val = 'I' },
	{ .name = "min-io-size",    .has_arg = 1, .flag = NULL, .val = 'm' },
	{ .name = "type",           .has_arg = 1, .flag = NULL, .val = 't' },
	{ .name = "sub-page-size",  .has_arg = 1, .flag = NULL, .val = 's' },
	{ .name = "alignment",      .has_arg = 1, .flag = NULL, .val = 'a' },
	{ .name = "vid-hdr-offset", .has_arg = 1, .flag = NULL, .val = 'O' },
	{ .name = "erase-counter",  .has_arg = 1, .flag = NULL, .val = 'e' },
	{ .name = "ubi-ver",        .has_arg = 1, .flag = NULL, .val = 'x' },
	{ .name = "help",           .has_arg = 0, .flag = NULL, .val = 'h' },
	{ .name = "version",        .has_arg = 0, .flag = NULL, .val = 'V' },
	{ NULL, 0, NULL, 0}
};

static int parse_opt(int argc, char * const argv[])
{
	while (1) {
		int key;
		char *endp;

		key = getopt_long(argc, argv, "i:o:b:I:m:t:s:a:O:e:x:hV",
				  long_options, NULL);
		if (key == -1)
			break;

		switch (key) {
		case 'o':
			args.fp_out = fopen(optarg, "wb");
			if (!args.fp_out) {
				errmsg("cannot open file \"%s\"", optarg);
				return -1;
			}
			break;

		case 'i':
			args.fp_in = fopen(optarg, "rb");
			if (!args.fp_in) {
				errmsg("cannot open file \"%s\"", optarg);
				return -1;
			}
			break;

		case 'b':
			args.peb_size = strtoull(optarg, &endp, 0);
			if (endp == optarg || args.peb_size <= 0) {
				errmsg("bad physical eraseblock size: \"%s\"", optarg);
				return -1;
			}
			if (*endp != '\0') {
				int mult = ubiutils_get_multiplier(endp);

				if (mult == -1) {
					errmsg("bad size specifier: \"%s\" - "
					       "should be 'KiB', 'MiB' or 'GiB'", endp);
					return -1;
				}
				args.peb_size *= mult;
			}

		case 'm':
			args.min_io_size = strtoull(optarg, &endp, 0);
			if (endp == optarg || args.min_io_size <= 0) {
				errmsg("bad min. I/O unit size: \"%s\"", optarg);
				return -1;
			}
			if (*endp != '\0') {
				int mult = ubiutils_get_multiplier(endp);

				if (mult == -1) {
					errmsg("bad size specifier: \"%s\" - "
					       "should be 'KiB', 'MiB' or 'GiB'", endp);
					return -1;
				}
				args.min_io_size *= mult;
			}

		case 'e':
			args.ec = strtoul(optarg, &endp, 0);
			if (endp == optarg || args.ec < 0) {
				errmsg("bad erase counter value: \"%s\"", optarg);
				return -1;
			}
			break;

		case 'I':
			args.id = strtoul(optarg, &endp, 0);
			if (endp == optarg || args.id < 0) {
				errmsg("bad volume ID: \"%s\"", optarg);
				return -1;
			}
			break;

		case 't':
			if (!strcmp(optarg, "dynamic"))
				args.type = UBI_VID_DYNAMIC;
			else if (!strcmp(optarg, "static"))
				args.type = UBI_VID_STATIC;
			else {
				errmsg("bad volume type: \"%s\"", optarg);
				return -1;
			}
			break;

		case 'x':
			args.ubi_ver = strtoul(optarg, &endp, 0);
			if (endp == optarg || args.ubi_ver < 0) {
				errmsg("bad UBI version: \"%s\"", optarg);
				return -1;
			}
			break;

		case 'O':
			args.vid_hdr_offs =  strtoul(optarg, &endp, 0);
			if (endp == optarg || args.vid_hdr_offs < 0) {
				errmsg("bad VID header offset: \"%s\"", optarg);
				return -1;
			}
			break;

		case 'h':
			fprintf(stderr, "%s\n\n", doc);
			fprintf(stderr, "%s\n\n", usage);
			fprintf(stderr, "%s\n", optionsstr);
			exit(EXIT_SUCCESS);

		case 'V':
			fprintf(stderr, "%s\n", PROGRAM_VERSION);
			exit(EXIT_SUCCESS);

		case ':':
			errmsg("parameter is missing");
			return -1;

		default:
			fprintf(stderr, "Use -h for help\n");
			return -1;
		}
	}

	if (!args.fp_in) {
		errmsg("input file was not specified (use -h for help)");
		return -1;
	}

	if (!args.fp_out)
		args.fp_out = stdout;

	if (args.id < 0) {
		errmsg("wolume ID was not specified (use -h for help)");
		return -1;
	}

	if (args.peb_size < 0) {
		errmsg("physical eraseblock size was not specified "
		       "(use -h for help)");
		return -1;
	}

	if (args.min_io_size < 0) {
		errmsg("min. I/O unit size was not specified "
		       "(use -h for help)");
		return -1;
	}

	if (args.sub_page_size < 0)
		args.sub_page_size = args.min_io_size;

	return 0;
}


int main(int argc, char * const argv[])
{
	int err;
	ubi_info_t u;
	struct stat file_info;
	off_t input_len = 0; /* only used in static volumes */

	ubigen_init();

	err = parse_opt(argc, argv);
	if (err)
		return -1;

	if (fstat(fileno(args.fp_in), &file_info) != 0) {
		fprintf(stderr, "Cannot fetch file size "
				"from input file.\n");
	}
	input_len = file_info.st_size;

	err = ubigen_create(&u, (uint32_t)args.id, args.type,
			args.peb_size, args.ec, args.alignment,
			args.ubi_ver, args.vid_hdr_offs, 0 ,input_len,
			args.fp_in, args.fp_out);

	if  (err) {
		fprintf(stderr, "Cannot create UBI info handler err: %d\n", err);
		return -1;
	}

	err = ubigen_write_complete(u);
	if  (err != 0) {
		fprintf(stderr, "Error converting input data.\n");
		return -1;
	}

	err = ubigen_destroy(&u);
	return err;
}