1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
27 #include "time_support.h"
35 #include <sys/types.h>
40 /* command handlers */
41 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
42 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
43 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
44 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
45 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
46 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
47 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
48 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
49 int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 int handle_flash_write_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
58 extern flash_driver_t lpc2000_flash;
59 extern flash_driver_t cfi_flash;
60 extern flash_driver_t at91sam7_flash;
61 extern flash_driver_t str7x_flash;
62 extern flash_driver_t str9x_flash;
63 extern flash_driver_t stellaris_flash;
64 extern flash_driver_t str9xpec_flash;
65 extern flash_driver_t stm32x_flash;
66 extern flash_driver_t tms470_flash;
68 flash_driver_t *flash_drivers[] =
82 flash_bank_t *flash_banks;
83 static command_t *flash_cmd;
84 static int auto_erase = 0;
86 int flash_register_commands(struct command_context_s *cmd_ctx)
88 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
90 register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, NULL);
95 int flash_init_drivers(struct command_context_s *cmd_ctx)
99 register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
100 "list configured flash banks ");
101 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
102 "print info about flash bank <num>");
103 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
104 "identify flash bank <num>");
105 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
106 "check erase state of sectors in flash bank <num>");
107 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
108 "check protection state of sectors in flash bank <num>");
109 register_command(cmd_ctx, flash_cmd, "erase", handle_flash_erase_command, COMMAND_EXEC,
110 "DEPRECATED, use 'erase_sector' instead");
111 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
112 "erase sectors at <bank> <first> <last>");
113 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
114 "erase address range <address> <length>");
115 register_command(cmd_ctx, flash_cmd, "write", handle_flash_write_binary_command, COMMAND_EXEC,
116 "DEPRECATED, use 'write_binary' instead");
117 register_command(cmd_ctx, flash_cmd, "write_binary", handle_flash_write_binary_command, COMMAND_EXEC,
118 "write binary <bank> <file> <offset>");
119 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
120 "write_image <file> [offset] [type]");
121 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
122 "set protection of sectors at <bank> <first> <last> <on|off>");
123 register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_EXEC,
124 "auto erase flash sectors <on|off>");
130 flash_bank_t *get_flash_bank_by_num(int num)
135 for (p = flash_banks; p; p = p->next)
146 /* flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]
148 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
156 WARNING("incomplete flash_bank configuration");
157 WARNING("flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
161 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
163 ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
167 for (i = 0; flash_drivers[i]; i++)
169 if (strcmp(args[0], flash_drivers[i]->name) == 0)
173 /* register flash specific commands */
174 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
176 ERROR("couldn't register '%s' commands", args[0]);
180 c = malloc(sizeof(flash_bank_t));
182 c->driver = flash_drivers[i];
183 c->driver_priv = NULL;
184 c->base = strtoul(args[1], NULL, 0);
185 c->size = strtoul(args[2], NULL, 0);
186 c->chip_width = strtoul(args[3], NULL, 0);
187 c->bus_width = strtoul(args[4], NULL, 0);
192 if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
194 ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
199 /* put flash bank in linked list */
202 /* find last flash bank */
203 for (p = flash_banks; p && p->next; p = p->next);
216 /* no matching flash driver found */
219 ERROR("flash driver '%s' not found", args[0]);
226 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
233 command_print(cmd_ctx, "no flash banks configured");
237 for (p = flash_banks; p; p = p->next)
239 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
240 i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
246 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
254 command_print(cmd_ctx, "usage: flash info <num>");
258 for (p = flash_banks; p; p = p->next, i++)
260 if (i == strtoul(args[0], NULL, 0))
264 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
265 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
266 for (j = 0; j < p->num_sectors; j++)
268 char *erase_state, *protect_state;
270 if (p->sectors[j].is_erased == 0)
271 erase_state = "not erased";
272 else if (p->sectors[j].is_erased == 1)
273 erase_state = "erased";
275 erase_state = "erase state unknown";
277 if (p->sectors[j].is_protected == 0)
278 protect_state = "not protected";
279 else if (p->sectors[j].is_protected == 1)
280 protect_state = "protected";
282 protect_state = "protection state unknown";
284 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s",
285 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
286 erase_state, protect_state);
289 p->driver->info(p, buf, 1024);
290 command_print(cmd_ctx, "%s", buf);
297 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
304 command_print(cmd_ctx, "usage: flash probe <num>");
308 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
311 if ((retval = p->driver->probe(p)) == ERROR_OK)
313 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
315 else if (retval == ERROR_FLASH_BANK_INVALID)
317 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
322 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
328 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
334 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
341 command_print(cmd_ctx, "usage: flash erase_check <num>");
345 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
348 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
350 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
354 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
360 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
366 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
375 target_t *target = get_current_target(cmd_ctx);
379 command_print(cmd_ctx, "usage: flash erase_address <address> <length>");
383 address = strtoul(args[0], NULL, 0);
384 length = strtoul(args[1], NULL, 0);
387 command_print(cmd_ctx, "Length must be >0");
388 return ERROR_INVALID_ARGUMENTS;
391 p = get_flash_bank_by_addr(target, address);
394 command_print(cmd_ctx, "No flash at that address");
395 return ERROR_INVALID_ARGUMENTS;
398 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
401 duration_start_measure(&duration);
403 if ((retval = flash_erase_address_range(target, address, length)) != ERROR_OK)
407 case ERROR_TARGET_NOT_HALTED:
408 command_print(cmd_ctx, "can't work with this flash while target is running");
410 case ERROR_INVALID_ARGUMENTS:
411 command_print(cmd_ctx, "usage: flash erase_address <address> <length>");
413 case ERROR_FLASH_BANK_INVALID:
414 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
416 case ERROR_FLASH_OPERATION_FAILED:
417 command_print(cmd_ctx, "flash erase error");
419 case ERROR_FLASH_SECTOR_INVALID:
420 command_print(cmd_ctx, "sector number(s) invalid");
423 command_print(cmd_ctx, "unknown error");
428 duration_stop_measure(&duration, &duration_text);
429 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
436 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
443 command_print(cmd_ctx, "usage: flash protect_check <num>");
447 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
450 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
452 command_print(cmd_ctx, "successfully checked protect state");
454 else if (retval == ERROR_FLASH_OPERATION_FAILED)
456 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
460 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
465 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
471 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
475 int first = strtoul(args[1], NULL, 0);
476 int last = strtoul(args[2], NULL, 0);
478 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
482 duration_start_measure(&duration);
486 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
490 if ((retval = p->driver->erase(p, first, last)) != ERROR_OK)
494 case ERROR_TARGET_NOT_HALTED:
495 command_print(cmd_ctx, "can't work with this flash while target is running");
497 case ERROR_INVALID_ARGUMENTS:
498 command_print(cmd_ctx, "usage: flash_erase <bank> <first> <last>");
500 case ERROR_FLASH_BANK_INVALID:
501 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
503 case ERROR_FLASH_OPERATION_FAILED:
504 command_print(cmd_ctx, "flash erase error");
506 case ERROR_FLASH_SECTOR_INVALID:
507 command_print(cmd_ctx, "sector number(s) invalid");
510 command_print(cmd_ctx, "erased flash sectors %i to %i", first, last);
513 command_print(cmd_ctx, "unknown error");
518 duration_stop_measure(&duration, &duration_text);
520 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
526 command_print(cmd_ctx, "usage: flash erase <bank> <first> <last>");
532 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
536 int first = strtoul(args[1], NULL, 0);
537 int last = strtoul(args[2], NULL, 0);
540 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
543 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
547 if (strcmp(args[3], "on") == 0)
549 else if (strcmp(args[3], "off") == 0)
553 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
557 if ((retval = p->driver->protect(p, set, first, last)) != ERROR_OK)
561 case ERROR_TARGET_NOT_HALTED:
562 command_print(cmd_ctx, "can't work with this flash while target is running");
564 case ERROR_INVALID_ARGUMENTS:
565 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
567 case ERROR_FLASH_BANK_INVALID:
568 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
570 case ERROR_FLASH_OPERATION_FAILED:
571 command_print(cmd_ctx, "flash program error");
573 case ERROR_FLASH_SECTOR_INVALID:
574 command_print(cmd_ctx, "sector number(s) invalid");
577 command_print(cmd_ctx, "protection of flash sectors %i to %i turned %s", first, last, args[3]);
580 command_print(cmd_ctx, "unknown error");
585 command_print(cmd_ctx, "%s protection for sectors %i through %i on flash bank %i", (set) ? "set" : "cleared", first, last, strtoul(args[0], 0, 0));
590 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
596 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
598 target_t *target = get_current_target(cmd_ctx);
614 command_print(cmd_ctx, "usage: flash %s <file> [offset] [type]", cmd);
615 return ERROR_INVALID_ARGUMENTS;
620 ERROR("no target selected");
624 duration_start_measure(&duration);
628 image.base_address_set = 1;
629 image.base_address = strtoul(args[1], NULL, 0);
633 image.base_address_set = 0;
634 image.base_address = 0x0;
637 image.start_address_set = 0;
639 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
640 if (retval != ERROR_OK)
642 command_print(cmd_ctx, "image_open error: %s", image.error_str);
646 failed = malloc(sizeof(int) * image.num_sections);
650 retval = flash_write(target, &image, &written, &error_str, failed, auto_erase);
652 if (retval != ERROR_OK)
656 command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
664 for (i = 0; i < image.num_sections; i++)
668 command_print(cmd_ctx, "didn't write section at 0x%8.8x, size 0x%8.8x",
669 image.sections[i].base_address, image.sections[i].size);
673 duration_stop_measure(&duration, &duration_text);
674 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
675 written, args[0], duration_text,
676 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
685 int handle_flash_write_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
701 command_print(cmd_ctx, "usage: flash write_binary <bank> <file> <offset>");
705 duration_start_measure(&duration);
707 offset = strtoul(args[2], NULL, 0);
708 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
711 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
715 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
717 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
721 buffer = malloc(fileio.size);
722 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
724 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
728 if ((retval = p->driver->write(p, buffer, offset, buf_cnt)) != ERROR_OK)
730 command_print(cmd_ctx, "failed writing file %s to flash bank %i at offset 0x%8.8x",
731 args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0));
735 case ERROR_TARGET_NOT_HALTED:
736 command_print(cmd_ctx, "can't work with this flash while target is running");
738 case ERROR_INVALID_ARGUMENTS:
739 command_print(cmd_ctx, "usage: flash write <bank> <file> <offset>");
741 case ERROR_FLASH_BANK_INVALID:
742 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
744 case ERROR_FLASH_OPERATION_FAILED:
745 command_print(cmd_ctx, "flash program error");
747 case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
748 command_print(cmd_ctx, "offset breaks required alignment");
750 case ERROR_FLASH_DST_OUT_OF_BANK:
751 command_print(cmd_ctx, "destination is out of flash bank (offset and/or file too large)");
753 case ERROR_FLASH_SECTOR_NOT_ERASED:
754 command_print(cmd_ctx, "destination sector(s) not erased");
757 command_print(cmd_ctx, "unknown error");
763 duration_stop_measure(&duration, &duration_text);
764 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
765 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
766 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
769 fileio_close(&fileio);
774 void flash_set_dirty(void)
779 /* set all flash to require erasing */
780 for (c = flash_banks; c; c = c->next)
782 for (i = 0; i < c->num_sectors; i++)
784 c->sectors[i].is_erased = 0;
789 /* lookup flash bank by address */
790 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
794 /* cycle through bank list */
795 for (c = flash_banks; c; c = c->next)
797 /* check whether address belongs to this flash bank */
798 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
805 /* erase given flash region, selects proper bank according to target and address */
806 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
813 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
814 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
816 if (c->size == 0 || c->num_sectors == 0)
817 return ERROR_FLASH_BANK_INVALID;
821 /* special case, erase whole bank when length is zero */
823 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
825 return c->driver->erase(c, 0, c->num_sectors - 1);
828 /* check whether it fits */
829 if (addr + length > c->base + c->size)
830 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
834 for (i = 0; i < c->num_sectors; i++)
836 /* check whether sector overlaps with the given range and is not yet erased */
837 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
838 /* if first is not set yet then this is the first sector */
841 last = i; /* and it is the last one so far in any case */
845 if( first == -1 || last == -1 )
848 return c->driver->erase(c, first, last);
851 /* write (optional verify) an image to flash memory of the given target */
852 int flash_write(target_t *target, image_t *image, u32 *written, char **error_str, int *failed, int erase)
868 for (i = 0; i < image->num_sections; i++)
873 /* assume all sectors need erasing - stops any problems
874 * when flash_write is called multiple times */
879 /* loop until we reach end of the image */
880 while (section < image->num_sections)
886 u32 run_address = image->sections[section].base_address + section_offset;
887 u32 run_size = image->sections[section].size - section_offset;
889 if (image->sections[section].size == 0)
891 WARNING("empty section %d", section);
897 /* find the corresponding flash bank */
898 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
902 if (error_str == NULL)
903 return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
904 *error_str = malloc(FLASH_MAX_ERROR_STR);
905 snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
906 return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
908 failed[section] = ERROR_FLASH_DST_OUT_OF_BANK; /* mark the section as failed */
909 section++; /* and skip it */
914 /* collect consecutive sections which fall into the same bank */
915 section_first = section;
916 section_last = section;
917 while ((run_address + run_size < c->base + c->size)
918 && (section_last + 1 < image->num_sections))
920 if (image->sections[section_last + 1].base_address < (run_address + run_size))
922 DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
925 if (image->sections[section_last + 1].base_address != (run_address + run_size))
927 run_size += image->sections[++section_last].size;
930 /* fit the run into bank constraints */
931 if (run_address + run_size > c->base + c->size)
932 run_size = c->base + c->size - run_address;
934 /* allocate buffer */
935 buffer = malloc(run_size);
938 /* read sections to the buffer */
939 while (buffer_size < run_size)
943 if (buffer_size - run_size <= image->sections[section].size - section_offset)
944 size_read = buffer_size - run_size;
946 size_read = image->sections[section].size - section_offset;
948 if ((retval = image_read_section(image, section, section_offset,
949 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
953 if (error_str == NULL)
954 return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
956 *error_str = malloc(FLASH_MAX_ERROR_STR);
958 /* if image_read_section returned an error there's an error string we can pass on */
959 if (retval != ERROR_OK)
960 snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image: %s", image->error_str);
962 snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image");
964 return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
967 buffer_size += size_read;
968 section_offset += size_read;
970 if (section_offset >= image->sections[section].size)
981 /* calculate and erase sectors */
982 retval = flash_erase_address_range( target, run_address, run_size );
985 if (retval == ERROR_OK)
987 /* write flash sectors */
988 retval = c->driver->write(c, buffer, run_address - c->base, run_size);
993 if (retval != ERROR_OK)
995 if (error_str == NULL)
996 return retval; /* abort operation */
998 *error_str = malloc(FLASH_MAX_ERROR_STR);
1001 case ERROR_TARGET_NOT_HALTED:
1002 snprintf(*error_str, FLASH_MAX_ERROR_STR, "can't flash image while target is running");
1004 case ERROR_INVALID_ARGUMENTS:
1005 snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash driver can't fulfill request");
1007 case ERROR_FLASH_OPERATION_FAILED:
1008 snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash program error");
1010 case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
1011 snprintf(*error_str, FLASH_MAX_ERROR_STR, "offset breaks required alignment");
1013 case ERROR_FLASH_DST_OUT_OF_BANK:
1014 snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
1016 case ERROR_FLASH_SECTOR_NOT_ERASED:
1017 snprintf(*error_str, FLASH_MAX_ERROR_STR, "destination sector(s) not erased");
1020 snprintf(*error_str, FLASH_MAX_ERROR_STR, "unknown error: %i", retval);
1023 return retval; /* abort operation */
1026 if (written != NULL)
1027 *written += run_size; /* add run size to total written counter */
1033 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1037 command_print(cmd_ctx, "usage: flash auto_erase <on|off>");
1041 if (strcmp(args[0], "on") == 0)
1043 else if (strcmp(args[0], "off") == 0)