aboutsummaryrefslogtreecommitdiffstats
path: root/cli_classic.c
blob: 6cb0578f0be72e35ec39c531fee28800749e3aad (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
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
/*
 * This file is part of the flashrom project.
 *
 * Copyright (C) 2000 Silicon Integrated System Corporation
 * Copyright (C) 2004 Tyan Corp <yhlu@tyan.com>
 * Copyright (C) 2005-2008 coresystems GmbH
 * Copyright (C) 2008,2009,2010 Carl-Daniel Hailfinger
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include "flash.h"
#include "flashchips.h"

void cli_classic_usage(const char *name)
{
	const char *pname;
	int pnamelen;
	int remaining = 0;
	enum programmer p;

	printf("Usage: %s [-VfLzhR] [-E|-r file|-w file|-v file] [-c chipname]\n"
              "       [-m [vendor:]part] [-l file] [-i image] [-p programmer]\n\n", name);

	printf("Please note that the command line interface for flashrom will "
		"change before\nflashrom 1.0. Do not use flashrom in scripts "
		"or other automated tools without\nchecking that your flashrom"
		" version won't interpret options in a different way.\n\n");

	printf
	    ("   -r | --read:                      read flash and save into file\n"
	     "   -w | --write:                     write file into flash\n"
	     "   -v | --verify:                    verify flash against file\n"
	     "   -n | --noverify:                  don't verify flash against file\n"
	     "   -E | --erase:                     erase flash device\n"
	     "   -V | --verbose:                   more verbose output\n"
	     "   -c | --chip <chipname>:           probe only for specified flash chip\n"
#if INTERNAL_SUPPORT == 1
	     "   -m | --mainboard <[vendor:]part>: override mainboard settings\n"
#endif
	     "   -f | --force:                     force write without checking image\n"
	     "   -l | --layout <file.layout>:      read ROM layout from file\n"
	     "   -i | --image <name>:              only flash image name from flash layout\n"
	     "   -L | --list-supported:            print supported devices\n"
#if PRINT_WIKI_SUPPORT == 1
	     "   -z | --list-supported-wiki:       print supported devices in wiki syntax\n"
#endif
	     "   -p | --programmer <name>:         specify the programmer device");

	for (p = 0; p < PROGRAMMER_INVALID; p++) {
		pname = programmer_table[p].name;
		pnamelen = strlen(pname);
		if (remaining - pnamelen - 2 < 0) {
			printf("\n                                     ");
			remaining = 43;
		} else {
			printf(" ");
			remaining--;
		}
		if (p == 0) {
			printf("(");
			remaining--;
		}
		printf("%s", pname);
		remaining -= pnamelen;
		if (p < PROGRAMMER_INVALID - 1) {
			printf(",");
			remaining--;
		} else {
			printf(")\n");
		}
	}
		
	printf(
	     "   -h | --help:                      print this help text\n"
	     "   -R | --version:                   print the version (release)\n"
	     "\nYou can specify one of -E, -r, -w, -v or no operation. If no operation is\n"
	     "specified, then all that happens is that flash info is dumped.\n\n");
	exit(1);
}

int cli_classic(int argc, char *argv[])
{
	unsigned long size;
	/* Probe for up to three flash chips. */
	struct flashchip *flash, *flashes[3];
	const char *name;
	int namelen;
	int opt;
	int option_index = 0;
	int force = 0;
	int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
	int dont_verify_it = 0, list_supported = 0;
#if PRINT_WIKI_SUPPORT == 1
	int list_supported_wiki = 0;
#endif
	int operation_specified = 0;
	int i;

#if PRINT_WIKI_SUPPORT == 1
	const char *optstring = "rRwvnVEfc:m:l:i:p:Lzh";
#else
	const char *optstring = "rRwvnVEfc:m:l:i:p:Lh";
#endif
	static struct option long_options[] = {
		{"read", 0, 0, 'r'},
		{"write", 0, 0, 'w'},
		{"erase", 0, 0, 'E'},
		{"verify", 0, 0, 'v'},
		{"noverify", 0, 0, 'n'},
		{"chip", 1, 0, 'c'},
		{"mainboard", 1, 0, 'm'},
		{"verbose", 0, 0, 'V'},
		{"force", 0, 0, 'f'},
		{"layout", 1, 0, 'l'},
		{"image", 1, 0, 'i'},
		{"list-supported", 0, 0, 'L'},
#if PRINT_WIKI_SUPPORT == 1
		{"list-supported-wiki", 0, 0, 'z'},
#endif
		{"programmer", 1, 0, 'p'},
		{"help", 0, 0, 'h'},
		{"version", 0, 0, 'R'},
		{0, 0, 0, 0}
	};

	char *filename = NULL;

	char *tempstr = NULL;

	print_version();

	if (argc > 1) {
		/* Yes, print them. */
		printf_debug("The arguments are:\n");
		for (i = 1; i < argc; ++i)
			printf_debug("%s\n", argv[i]);
	}

	if (selfcheck())
		exit(1);

	setbuf(stdout, NULL);
	while ((opt = getopt_long(argc, argv, optstring,
				  long_options, &option_index)) != EOF) {
		switch (opt) {
		case 'r':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				exit(1);
			}
			read_it = 1;
			break;
		case 'w':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				exit(1);
			}
			write_it = 1;
			break;
		case 'v':
			//FIXME: gracefully handle superfluous -v
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				exit(1);
			}
			if (dont_verify_it) {
				fprintf(stderr, "--verify and --noverify are"
					"mutually exclusive. Aborting.\n");
				exit(1);
			}
			verify_it = 1;
			break;
		case 'n':
			if (verify_it) {
				fprintf(stderr, "--verify and --noverify are"
					"mutually exclusive. Aborting.\n");
				exit(1);
			}
			dont_verify_it = 1;
			break;
		case 'c':
			chip_to_probe = strdup(optarg);
			break;
		case 'V':
			verbose++;
			break;
		case 'E':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				exit(1);
			}
			erase_it = 1;
			break;
#if INTERNAL_SUPPORT == 1
		case 'm':
			tempstr = strdup(optarg);
			lb_vendor_dev_from_string(tempstr);
			break;
#endif
		case 'f':
			force = 1;
			break;
		case 'l':
			tempstr = strdup(optarg);
			if (read_romlayout(tempstr))
				exit(1);
			break;
		case 'i':
			tempstr = strdup(optarg);
			find_romentry(tempstr);
			break;
		case 'L':
			list_supported = 1;
			break;
#if PRINT_WIKI_SUPPORT == 1
		case 'z':
			list_supported_wiki = 1;
			break;
#endif
		case 'p':
			for (programmer = 0; programmer < PROGRAMMER_INVALID; programmer++) {
				name = programmer_table[programmer].name;
				namelen = strlen(name);
				if (strncmp(optarg, name, namelen) == 0) {
					switch (optarg[namelen]) {
					case ':':
						programmer_param = strdup(optarg + namelen + 1);
						break;
					case '\0':
						break;
					default:
						/* The continue refers to the
						 * for loop. It is here to be
						 * able to differentiate between
						 * foo and foobar.
						 */
						continue;
					}
					break;
				}
			}
			if (programmer == PROGRAMMER_INVALID) {
				printf("Error: Unknown programmer %s.\n", optarg);
				exit(1);
			}
			break;
		case 'R':
			/* print_version() is always called during startup. */
			exit(0);
			break;
		case 'h':
		default:
			cli_classic_usage(argv[0]);
			break;
		}
	}

	if (list_supported) {
		print_supported();
		exit(0);
	}

#if PRINT_WIKI_SUPPORT == 1
	if (list_supported_wiki) {
		print_supported_wiki();
		exit(0);
	}
#endif

	if (read_it && write_it) {
		printf("Error: -r and -w are mutually exclusive.\n");
		cli_classic_usage(argv[0]);
	}

	if (optind < argc)
		filename = argv[optind++];
	
	if (optind < argc) {
		printf("Error: Extra parameter found.\n");
		cli_classic_usage(argv[0]);
	}

	if (programmer_init()) {
		fprintf(stderr, "Error: Programmer initialization failed.\n");
		exit(1);
	}

	// FIXME: Delay calibration should happen in programmer code.
	myusec_calibrate_delay();

	for (i = 0; i < ARRAY_SIZE(flashes); i++) {
		flashes[i] =
		    probe_flash(i ? flashes[i - 1] + 1 : flashchips, 0);
		if (!flashes[i])
			for (i++; i < ARRAY_SIZE(flashes); i++)
				flashes[i] = NULL;
	}

	if (flashes[1]) {
		printf("Multiple flash chips were detected:");
		for (i = 0; i < ARRAY_SIZE(flashes) && flashes[i]; i++)
			printf(" %s", flashes[i]->name);
		printf("\nPlease specify which chip to use with the -c <chipname> option.\n");
		programmer_shutdown();
		exit(1);
	} else if (!flashes[0]) {
		printf("No EEPROM/flash device found.\n");
		if (!force || !chip_to_probe) {
			printf("If you know which flash chip you have, and if this version of flashrom\n");
			printf("supports a similar flash chip, you can try to force read your chip. Run:\n");
			printf("flashrom -f -r -c similar_supported_flash_chip filename\n");
			printf("\n");
			printf("Note: flashrom can never write when the flash chip isn't found automatically.\n");
		}
		if (force && read_it && chip_to_probe) {
			printf("Force read (-f -r -c) requested, forcing chip probe success:\n");
			flashes[0] = probe_flash(flashchips, 1);
			if (!flashes[0]) {
				printf("flashrom does not support a flash chip named '%s'.\n", chip_to_probe);
				printf("Run flashrom -L to view the hardware supported in this flashrom version.\n");
				exit(1);
			}
			printf("Please note that forced reads most likely contain garbage.\n");
			return read_flash(flashes[0], filename);
		}
		// FIXME: flash writes stay enabled!
		programmer_shutdown();
		exit(1);
	}

	flash = flashes[0];

	check_chip_supported(flash);

	size = flash->total_size * 1024;
	if (check_max_decode((buses_supported & flash->bustype), size) &&
	    (!force)) {
		fprintf(stderr, "Chip is too big for this programmer "
			"(-V gives details). Use --force to override.\n");
		programmer_shutdown();
		return 1;
	}

	if (!(read_it | write_it | verify_it | erase_it)) {
		printf("No operations were specified.\n");
		// FIXME: flash writes stay enabled!
		programmer_shutdown();
		exit(1);
	}

	if (!filename && !erase_it) {
		printf("Error: No filename specified.\n");
		// FIXME: flash writes stay enabled!
		programmer_shutdown();
		exit(1);
	}

	/* Always verify write operations unless -n is used. */
	if (write_it && !dont_verify_it)
		verify_it = 1;

	return doit(flash, force, filename, read_it, write_it, erase_it, verify_it);
}