Esempio n. 1
0
int cli_classic(int argc, char *argv[])
{
	unsigned long size;
	/* Probe for up to three flash chips. */
	const struct flashchip *flash;
	struct flashchip flashes[3];
	struct flashchip *fill_flash;
	int startchip = 0;
	int chipcount = 0;
	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 CONFIG_PRINT_WIKI == 1
	int list_supported_wiki = 0;
#endif
	int operation_specified = 0;
	int i;

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

	char *filename = NULL;

	char *tempstr = NULL;
	char *pparam = NULL;

	print_version();
	print_banner();

	if (selfcheck())
		exit(1);

	setbuf(stdout, NULL);
	/* FIXME: Delay all operation_specified checks until after command
	 * line parsing to allow --help overriding everything else.
	 */
	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");
				cli_classic_abort_usage();
			}
			filename = strdup(optarg);
			read_it = 1;
			break;
		case 'w':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			filename = strdup(optarg);
			write_it = 1;
			break;
		case 'v':
			//FIXME: gracefully handle superfluous -v
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			if (dont_verify_it) {
				fprintf(stderr, "--verify and --noverify are"
					"mutually exclusive. Aborting.\n");
				cli_classic_abort_usage();
			}
			filename = strdup(optarg);
			verify_it = 1;
			break;
		case 'n':
			if (verify_it) {
				fprintf(stderr, "--verify and --noverify are"
					"mutually exclusive. Aborting.\n");
				cli_classic_abort_usage();
			}
			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");
				cli_classic_abort_usage();
			}
			erase_it = 1;
			break;
		case 'm':
#if CONFIG_INTERNAL == 1
			tempstr = strdup(optarg);
			lb_vendor_dev_from_string(tempstr);
#else
			fprintf(stderr, "Error: Internal programmer support "
				"was not compiled in and --mainboard only\n"
				"applies to the internal programmer. Aborting.\n");
			cli_classic_abort_usage();
#endif
			break;
		case 'f':
			force = 1;
			break;
		case 'l':
			tempstr = strdup(optarg);
			if (read_romlayout(tempstr))
				cli_classic_abort_usage();
			break;
		case 'i':
			tempstr = strdup(optarg);
			find_romentry(tempstr);
			break;
		case 'L':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			list_supported = 1;
			break;
		case 'z':
#if CONFIG_PRINT_WIKI == 1
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			list_supported_wiki = 1;
#else
			fprintf(stderr, "Error: Wiki output was not compiled "
				"in. Aborting.\n");
			cli_classic_abort_usage();
#endif
			break;
		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 ':':
						pparam = strdup(optarg + namelen + 1);
						if (!strlen(pparam)) {
							free(pparam);
							pparam = NULL;
						}
						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) {
				fprintf(stderr, "Error: Unknown programmer "
					"%s.\n", optarg);
				cli_classic_abort_usage();
			}
			break;
		case 'R':
			/* print_version() is always called during startup. */
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			exit(0);
			break;
		case 'h':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			cli_classic_usage(argv[0]);
			exit(0);
			break;
		default:
			cli_classic_abort_usage();
			break;
		}
	}

	/* FIXME: Print the actions flashrom will take. */

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

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

	if (optind < argc) {
		fprintf(stderr, "Error: Extra parameter found.\n");
		cli_classic_abort_usage();
	}

#if CONFIG_INTERNAL == 1
	if ((programmer != PROGRAMMER_INTERNAL) && (lb_part || lb_vendor)) {
		fprintf(stderr, "Error: --mainboard requires the internal "
				"programmer. Aborting.\n");
		cli_classic_abort_usage();
	}
#endif

	if (chip_to_probe) {
		for (flash = flashchips; flash && flash->name; flash++)
			if (!strcmp(flash->name, chip_to_probe))
				break;
		if (!flash || !flash->name) {
			fprintf(stderr, "Error: Unknown chip '%s' specified.\n",
				chip_to_probe);
			printf("Run flashrom -L to view the hardware supported "
				"in this flashrom version.\n");
			exit(1);
		}
		/* Clean up after the check. */
		flash = NULL;
	}

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

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

	for (i = 0; i < ARRAY_SIZE(flashes); i++) {
		startchip = probe_flash(startchip, &flashes[i], 0);
		if (startchip == -1)
			break;
		chipcount++;
		startchip++;
	}

	if (chipcount > 1) {
		printf("Multiple flash chips were detected:");
		for (i = 0; i < chipcount; 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 (!chipcount) {
		printf("No EEPROM/flash device found.\n");
		if (!force || !chip_to_probe) {
			printf("Note: flashrom can never write if the flash chip isn't found automatically.\n");
		}
		if (force && read_it && chip_to_probe) {
			printf("Force read (-f -r -c) requested, pretending the chip is there:\n");
			startchip = probe_flash(0, &flashes[0], 1);
			if (startchip == -1) {
				printf("Probing for flash chip '%s' failed.\n", chip_to_probe);
				programmer_shutdown();
				exit(1);
			}
			printf("Please note that forced reads most likely contain garbage.\n");
			return read_flash_to_file(&flashes[0], filename);
		}
		// FIXME: flash writes stay enabled!
		programmer_shutdown();
		exit(1);
	}

	fill_flash = &flashes[0];

	check_chip_supported(fill_flash);

	size = fill_flash->total_size * 1024;
	if (check_max_decode((buses_supported & fill_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(0);
	}

	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;

	/* FIXME: We should issue an unconditional chip reset here. This can be
	 * done once we have a .reset function in struct flashchip.
	 * Give the chip time to settle.
	 */
	programmer_delay(100000);
	return doit(fill_flash, force, filename, read_it, write_it, erase_it, verify_it);
}
Esempio n. 2
0
int main(int argc, char *argv[])
{
	unsigned long size;
	/* Probe for up to three flash chips. */
	const struct flashchip *chip = NULL;
	struct flashctx flashes[3] = {{0}};
	struct flashctx *fill_flash;
	const char *name;
	int namelen, opt, i, j;
	int startchip = -1, chipcount = 0, option_index = 0, force = 0;
#if CONFIG_PRINT_WIKI == 1
	int list_supported_wiki = 0;
#endif
	int read_it = 0, write_it = 0, erase_it = 0, verify_it = 0;
	int dont_verify_it = 0, list_supported = 0, operation_specified = 0;
	enum programmer prog = PROGRAMMER_INVALID;
	int ret = 0;

	static const char optstring[] = "r:Rw:v:nVEfc:l:i:p:Lzho:";
	static const struct option long_options[] = {
		{"read",		1, NULL, 'r'},
		{"write",		1, NULL, 'w'},
		{"erase",		0, NULL, 'E'},
		{"verify",		1, NULL, 'v'},
		{"noverify",		0, NULL, 'n'},
		{"chip",		1, NULL, 'c'},
		{"verbose",		0, NULL, 'V'},
		{"force",		0, NULL, 'f'},
		{"layout",		1, NULL, 'l'},
		{"image",		1, NULL, 'i'},
		{"list-supported",	0, NULL, 'L'},
		{"list-supported-wiki",	0, NULL, 'z'},
		{"programmer",		1, NULL, 'p'},
		{"help",		0, NULL, 'h'},
		{"version",		0, NULL, 'R'},
		{"output",		1, NULL, 'o'},
		{NULL,			0, NULL, 0},
	};

	char *filename = NULL;
	char *layoutfile = NULL;
#ifndef STANDALONE
	char *logfile = NULL;
#endif /* !STANDALONE */
	char *tempstr = NULL;
	char *pparam = NULL;

	print_version();
	print_banner();

	if (selfcheck())
		exit(1);

	setbuf(stdout, NULL);
	/* FIXME: Delay all operation_specified checks until after command
	 * line parsing to allow --help overriding everything else.
	 */
	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");
				cli_classic_abort_usage();
			}
			filename = strdup(optarg);
			read_it = 1;
			break;
		case 'w':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			filename = strdup(optarg);
			write_it = 1;
			break;
		case 'v':
			//FIXME: gracefully handle superfluous -v
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			if (dont_verify_it) {
				fprintf(stderr, "--verify and --noverify are mutually exclusive. Aborting.\n");
				cli_classic_abort_usage();
			}
			filename = strdup(optarg);
			verify_it = 1;
			break;
		case 'n':
			if (verify_it) {
				fprintf(stderr, "--verify and --noverify are mutually exclusive. Aborting.\n");
				cli_classic_abort_usage();
			}
			dont_verify_it = 1;
			break;
		case 'c':
			chip_to_probe = strdup(optarg);
			break;
		case 'V':
			verbose_screen++;
			if (verbose_screen > MSG_DEBUG2)
				verbose_logfile = verbose_screen;
			break;
		case 'E':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			erase_it = 1;
			break;
		case 'f':
			force = 1;
			break;
		case 'l':
			if (layoutfile) {
				fprintf(stderr, "Error: --layout specified "
					"more than once. Aborting.\n");
				cli_classic_abort_usage();
			}
			layoutfile = strdup(optarg);
			break;
		case 'i':
			tempstr = strdup(optarg);
			if (register_include_arg(tempstr)) {
				free(tempstr);
				cli_classic_abort_usage();
			}
			break;
		case 'L':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			list_supported = 1;
			break;
		case 'z':
#if CONFIG_PRINT_WIKI == 1
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			list_supported_wiki = 1;
#else
			fprintf(stderr, "Error: Wiki output was not compiled "
				"in. Aborting.\n");
			cli_classic_abort_usage();
#endif
			break;
		case 'p':
			if (prog != PROGRAMMER_INVALID) {
				fprintf(stderr, "Error: --programmer specified "
					"more than once. You can separate "
					"multiple\nparameters for a programmer "
					"with \",\". Please see the man page "
					"for details.\n");
				cli_classic_abort_usage();
			}
			for (prog = 0; prog < PROGRAMMER_INVALID; prog++) {
				name = programmer_table[prog].name;
				namelen = strlen(name);
				if (strncmp(optarg, name, namelen) == 0) {
					switch (optarg[namelen]) {
					case ':':
						pparam = strdup(optarg + namelen + 1);
						if (!strlen(pparam)) {
							free(pparam);
							pparam = NULL;
						}
						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 (prog == PROGRAMMER_INVALID) {
				fprintf(stderr, "Error: Unknown programmer \"%s\". Valid choices are:\n",
					optarg);
				list_programmers_linebreak(0, 80, 0);
				msg_ginfo(".\n");
				cli_classic_abort_usage();
			}
			break;
		case 'R':
			/* print_version() is always called during startup. */
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			exit(0);
			break;
		case 'h':
			if (++operation_specified > 1) {
				fprintf(stderr, "More than one operation "
					"specified. Aborting.\n");
				cli_classic_abort_usage();
			}
			cli_classic_usage(argv[0]);
			exit(0);
			break;
		case 'o':
#ifdef STANDALONE
			fprintf(stderr, "Log file not supported in standalone mode. Aborting.\n");
			cli_classic_abort_usage();
#else /* STANDALONE */
			logfile = strdup(optarg);
			if (logfile[0] == '\0') {
				fprintf(stderr, "No log filename specified.\n");
				cli_classic_abort_usage();
			}
#endif /* STANDALONE */
			break;
		default:
			cli_classic_abort_usage();
			break;
		}
	}

	if (optind < argc) {
		fprintf(stderr, "Error: Extra parameter found.\n");
		cli_classic_abort_usage();
	}

	if ((read_it | write_it | verify_it) && check_filename(filename, "image")) {
		cli_classic_abort_usage();
	}
	if (layoutfile && check_filename(layoutfile, "layout")) {
		cli_classic_abort_usage();
	}

#ifndef STANDALONE
	if (logfile && check_filename(logfile, "log"))
		cli_classic_abort_usage();
	if (logfile && open_logfile(logfile))
		cli_classic_abort_usage();
#endif /* !STANDALONE */

#if CONFIG_PRINT_WIKI == 1
	if (list_supported_wiki) {
		print_supported_wiki();
		goto out;
	}
#endif

	if (list_supported) {
		if (print_supported())
			ret = 1;
		goto out;
	}

#ifndef STANDALONE
	start_logging();
#endif /* !STANDALONE */

	print_buildinfo();
	msg_gdbg("Command line (%i args):", argc - 1);
	for (i = 0; i < argc; i++) {
		msg_gdbg(" %s", argv[i]);
	}
	msg_gdbg("\n");

	if (layoutfile && read_romlayout(layoutfile)) {
		ret = 1;
		goto out;
	}
	if (layoutfile != NULL && !write_it) {
		msg_gerr("Layout files are currently supported for write operations only.\n");
		ret = 1;
		goto out;
	}

	if (process_include_args()) {
		ret = 1;
		goto out;
	}
	/* Does a chip with the requested name exist in the flashchips array? */
	if (chip_to_probe) {
		for (chip = flashchips; chip && chip->name; chip++)
			if (!strcmp(chip->name, chip_to_probe))
				break;
		if (!chip || !chip->name) {
			msg_cerr("Error: Unknown chip '%s' specified.\n", chip_to_probe);
			msg_gerr("Run flashrom -L to view the hardware supported in this flashrom version.\n");
			ret = 1;
			goto out;
		}
		/* Keep chip around for later usage in case a forced read is requested. */
	}

	if (prog == PROGRAMMER_INVALID) {
		if (CONFIG_DEFAULT_PROGRAMMER != PROGRAMMER_INVALID) {
			prog = CONFIG_DEFAULT_PROGRAMMER;
			/* We need to strdup here because we free(pparam) unconditionally later. */
			pparam = strdup(CONFIG_DEFAULT_PROGRAMMER_ARGS);
			msg_pinfo("Using default programmer \"%s\" with arguments \"%s\".\n",
				  programmer_table[CONFIG_DEFAULT_PROGRAMMER].name, pparam);
		} else {
			msg_perr("Please select a programmer with the --programmer parameter.\n"
				 "Previously this was not necessary because there was a default set.\n"
#if CONFIG_INTERNAL == 1
				 "To choose the mainboard of this computer use 'internal'. "
#endif
				 "Valid choices are:\n");
			list_programmers_linebreak(0, 80, 0);
			msg_ginfo(".\n");
			ret = 1;
			goto out;
		}
	}

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

	if (programmer_init(prog, pparam)) {
		msg_perr("Error: Programmer initialization failed.\n");
		ret = 1;
		goto out_shutdown;
	}
	tempstr = flashbuses_to_text(get_buses_supported());
	msg_pdbg("The following protocols are supported: %s.\n", tempstr);
	free(tempstr);

	for (j = 0; j < registered_programmer_count; j++) {
		startchip = 0;
		while (chipcount < ARRAY_SIZE(flashes)) {
			startchip = probe_flash(&registered_programmers[j], startchip, &flashes[chipcount], 0);
			if (startchip == -1)
				break;
			chipcount++;
			startchip++;
		}
	}

	if (chipcount > 1) {
		msg_cinfo("Multiple flash chip definitions match the detected chip(s): \"%s\"",
			  flashes[0].chip->name);
		for (i = 1; i < chipcount; i++)
			msg_cinfo(", \"%s\"", flashes[i].chip->name);
		msg_cinfo("\nPlease specify which chip definition to use with the -c <chipname> option.\n");
		ret = 1;
		goto out_shutdown;
	} else if (!chipcount) {
		msg_cinfo("No EEPROM/flash device found.\n");
		if (!force || !chip_to_probe) {
			msg_cinfo("Note: flashrom can never write if the flash chip isn't found "
				  "automatically.\n");
		}
		if (force && read_it && chip_to_probe) {
			struct registered_programmer *pgm;
			int compatible_programmers = 0;
			msg_cinfo("Force read (-f -r -c) requested, pretending the chip is there:\n");
			/* This loop just counts compatible controllers. */
			for (j = 0; j < registered_programmer_count; j++) {
				pgm = &registered_programmers[j];
				/* chip is still set from the chip_to_probe earlier in this function. */
				if (pgm->buses_supported & chip->bustype)
					compatible_programmers++;
			}
			if (!compatible_programmers) {
				msg_cinfo("No compatible controller found for the requested flash chip.\n");
				ret = 1;
				goto out_shutdown;
			}
			if (compatible_programmers > 1)
				msg_cinfo("More than one compatible controller found for the requested flash "
					  "chip, using the first one.\n");
			for (j = 0; j < registered_programmer_count; j++) {
				pgm = &registered_programmers[j];
				startchip = probe_flash(pgm, 0, &flashes[0], 1);
				if (startchip != -1)
					break;
			}
			if (startchip == -1) {
				// FIXME: This should never happen! Ask for a bug report?
				msg_cinfo("Probing for flash chip '%s' failed.\n", chip_to_probe);
				ret = 1;
				goto out_shutdown;
			}
			msg_cinfo("Please note that forced reads most likely contain garbage.\n");
			ret = read_flash_to_file(&flashes[0], filename);
			free(flashes[0].chip);
			goto out_shutdown;
		}
		ret = 1;
		goto out_shutdown;
	} else if (!chip_to_probe) {
		/* repeat for convenience when looking at foreign logs */
		tempstr = flashbuses_to_text(flashes[0].chip->bustype);
		msg_gdbg("Found %s flash chip \"%s\" (%d kB, %s).\n",
			 flashes[0].chip->vendor, flashes[0].chip->name, flashes[0].chip->total_size, tempstr);
		free(tempstr);
	}

	fill_flash = &flashes[0];

	check_chip_supported(fill_flash->chip);

	size = fill_flash->chip->total_size * 1024;
	if (check_max_decode(fill_flash->pgm->buses_supported & fill_flash->chip->bustype, size) && (!force)) {
		msg_cerr("Chip is too big for this programmer (-V gives details). Use --force to override.\n");
		ret = 1;
		goto out_shutdown;
	}

	if (!(read_it | write_it | verify_it | erase_it)) {
		msg_ginfo("No operations were specified.\n");
		goto out_shutdown;
	}

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

	/* FIXME: We should issue an unconditional chip reset here. This can be
	 * done once we have a .reset function in struct flashchip.
	 * Give the chip time to settle.
	 */
	programmer_delay(100000);
	ret |= doit(fill_flash, force, filename, read_it, write_it, erase_it, verify_it);

out_shutdown:
	programmer_shutdown();
out:
	for (i = 0; i < chipcount; i++)
		free(flashes[i].chip);

	layout_cleanup();
	free(filename);
	free(layoutfile);
	free(pparam);
	/* clean up global variables */
	free((char *)chip_to_probe); /* Silence! Freeing is not modifying contents. */
	chip_to_probe = NULL;
#ifndef STANDALONE
	free(logfile);
	ret |= close_logfile();
#endif /* !STANDALONE */
	return ret;
}