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;
67 flash_driver_t *flash_drivers[] =
80 flash_bank_t *flash_banks;
81 static command_t *flash_cmd;
82 static int auto_erase = 0;
84 int flash_register_commands(struct command_context_s *cmd_ctx)
86 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
88 register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, NULL);
93 int flash_init(struct command_context_s *cmd_ctx)
97 register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
98 "list configured flash banks ");
99 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
100 "print info about flash bank <num>");
101 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
102 "identify flash bank <num>");
103 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
104 "check erase state of sectors in flash bank <num>");
105 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
106 "check protection state of sectors in flash bank <num>");
107 register_command(cmd_ctx, flash_cmd, "erase", handle_flash_erase_command, COMMAND_EXEC,
108 "DEPRECATED, use 'erase_sector' instead");
109 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
110 "erase sectors at <bank> <first> <last>");
111 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
112 "erase address range <address> <length>");
113 register_command(cmd_ctx, flash_cmd, "write", handle_flash_write_binary_command, COMMAND_EXEC,
114 "DEPRECATED, use 'write_binary' instead");
115 register_command(cmd_ctx, flash_cmd, "write_binary", handle_flash_write_binary_command, COMMAND_EXEC,
116 "write binary <bank> <file> <offset>");
117 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
118 "write_image <file> [offset] [type]");
119 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
120 "set protection of sectors at <bank> <first> <last> <on|off>");
121 register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_EXEC,
122 "auto erase flash sectors <on|off>");
128 flash_bank_t *get_flash_bank_by_num(int num)
133 for (p = flash_banks; p; p = p->next)
144 /* flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]
146 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
154 WARNING("incomplete flash_bank configuration");
155 WARNING("flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
159 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
161 ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
165 for (i = 0; flash_drivers[i]; i++)
167 if (strcmp(args[0], flash_drivers[i]->name) == 0)
171 /* register flash specific commands */
172 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
174 ERROR("couldn't register '%s' commands", args[0]);
178 c = malloc(sizeof(flash_bank_t));
180 c->driver = flash_drivers[i];
181 c->driver_priv = NULL;
182 c->base = strtoul(args[1], NULL, 0);
183 c->size = strtoul(args[2], NULL, 0);
184 c->chip_width = strtoul(args[3], NULL, 0);
185 c->bus_width = strtoul(args[4], NULL, 0);
190 if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
192 ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
197 /* put flash bank in linked list */
200 /* find last flash bank */
201 for (p = flash_banks; p && p->next; p = p->next);
214 /* no matching flash driver found */
217 ERROR("flash driver '%s' not found", args[0]);
224 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
231 command_print(cmd_ctx, "no flash banks configured");
235 for (p = flash_banks; p; p = p->next)
237 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
238 i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
244 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
252 command_print(cmd_ctx, "usage: flash info <num>");
256 for (p = flash_banks; p; p = p->next, i++)
258 if (i == strtoul(args[0], NULL, 0))
262 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
263 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
264 for (j = 0; j < p->num_sectors; j++)
266 char *erase_state, *protect_state;
268 if (p->sectors[j].is_erased == 0)
269 erase_state = "not erased";
270 else if (p->sectors[j].is_erased == 1)
271 erase_state = "erased";
273 erase_state = "erase state unknown";
275 if (p->sectors[j].is_protected == 0)
276 protect_state = "not protected";
277 else if (p->sectors[j].is_protected == 1)
278 protect_state = "protected";
280 protect_state = "protection state unknown";
282 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s",
283 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
284 erase_state, protect_state);
287 p->driver->info(p, buf, 1024);
288 command_print(cmd_ctx, "%s", buf);
295 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
302 command_print(cmd_ctx, "usage: flash probe <num>");
306 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
309 if ((retval = p->driver->probe(p)) == ERROR_OK)
311 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
313 else if (retval == ERROR_FLASH_BANK_INVALID)
315 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
320 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
326 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
332 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
339 command_print(cmd_ctx, "usage: flash erase_check <num>");
343 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
346 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
348 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
352 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
358 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
364 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
373 target_t *target = get_current_target(cmd_ctx);
377 command_print(cmd_ctx, "usage: flash erase_address <address> <length>");
381 address = strtoul(args[0], NULL, 0);
382 length = strtoul(args[1], NULL, 0);
385 command_print(cmd_ctx, "Length must be >0");
386 return ERROR_INVALID_ARGUMENTS;
389 p = get_flash_bank_by_addr(target, address);
392 command_print(cmd_ctx, "No flash at that address");
393 return ERROR_INVALID_ARGUMENTS;
396 duration_start_measure(&duration);
398 if ((retval = flash_erase(target, address, length)) != ERROR_OK)
402 case ERROR_TARGET_NOT_HALTED:
403 command_print(cmd_ctx, "can't work with this flash while target is running");
405 case ERROR_INVALID_ARGUMENTS:
406 command_print(cmd_ctx, "usage: flash erase_address <address> <length>");
408 case ERROR_FLASH_BANK_INVALID:
409 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
411 case ERROR_FLASH_OPERATION_FAILED:
412 command_print(cmd_ctx, "flash erase error");
414 case ERROR_FLASH_SECTOR_INVALID:
415 command_print(cmd_ctx, "sector number(s) invalid");
418 command_print(cmd_ctx, "unknown error");
423 duration_stop_measure(&duration, &duration_text);
424 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
431 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
438 command_print(cmd_ctx, "usage: flash protect_check <num>");
442 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
445 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
447 command_print(cmd_ctx, "successfully checked protect state");
449 else if (retval == ERROR_FLASH_OPERATION_FAILED)
451 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
455 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
460 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
466 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
470 int first = strtoul(args[1], NULL, 0);
471 int last = strtoul(args[2], NULL, 0);
473 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
477 duration_start_measure(&duration);
481 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
485 if ((retval = p->driver->erase(p, first, last)) != ERROR_OK)
489 case ERROR_TARGET_NOT_HALTED:
490 command_print(cmd_ctx, "can't work with this flash while target is running");
492 case ERROR_INVALID_ARGUMENTS:
493 command_print(cmd_ctx, "usage: flash_erase <bank> <first> <last>");
495 case ERROR_FLASH_BANK_INVALID:
496 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
498 case ERROR_FLASH_OPERATION_FAILED:
499 command_print(cmd_ctx, "flash erase error");
501 case ERROR_FLASH_SECTOR_INVALID:
502 command_print(cmd_ctx, "sector number(s) invalid");
505 command_print(cmd_ctx, "erased flash sectors %i to %i", first, last);
508 command_print(cmd_ctx, "unknown error");
513 duration_stop_measure(&duration, &duration_text);
515 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
521 command_print(cmd_ctx, "usage: flash erase <bank> <first> <last>");
527 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
531 int first = strtoul(args[1], NULL, 0);
532 int last = strtoul(args[2], NULL, 0);
535 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
538 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
542 if (strcmp(args[3], "on") == 0)
544 else if (strcmp(args[3], "off") == 0)
548 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
552 if ((retval = p->driver->protect(p, set, first, last)) != ERROR_OK)
556 case ERROR_TARGET_NOT_HALTED:
557 command_print(cmd_ctx, "can't work with this flash while target is running");
559 case ERROR_INVALID_ARGUMENTS:
560 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
562 case ERROR_FLASH_BANK_INVALID:
563 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
565 case ERROR_FLASH_OPERATION_FAILED:
566 command_print(cmd_ctx, "flash program error");
568 case ERROR_FLASH_SECTOR_INVALID:
569 command_print(cmd_ctx, "sector number(s) invalid");
572 command_print(cmd_ctx, "protection of flash sectors %i to %i turned %s", first, last, args[3]);
575 command_print(cmd_ctx, "unknown error");
580 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));
585 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
591 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
593 target_t *target = get_current_target(cmd_ctx);
609 command_print(cmd_ctx, "usage: flash %s <file> [offset] [type]", cmd);
610 return ERROR_INVALID_ARGUMENTS;
615 ERROR("no target selected");
619 duration_start_measure(&duration);
623 image.base_address_set = 1;
624 image.base_address = strtoul(args[1], NULL, 0);
628 image.base_address_set = 0;
629 image.base_address = 0x0;
632 image.start_address_set = 0;
634 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
635 if (retval != ERROR_OK)
637 command_print(cmd_ctx, "image_open error: %s", image.error_str);
641 failed = malloc(sizeof(int) * image.num_sections);
645 retval = flash_write(target, &image, &written, &error_str, failed, auto_erase);
647 if (retval != ERROR_OK)
651 command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
659 for (i = 0; i < image.num_sections; i++)
663 command_print(cmd_ctx, "didn't write section at 0x%8.8x, size 0x%8.8x",
664 image.sections[i].base_address, image.sections[i].size);
668 duration_stop_measure(&duration, &duration_text);
669 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
670 written, args[0], duration_text,
671 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
680 int handle_flash_write_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
696 command_print(cmd_ctx, "usage: flash write_binary <bank> <file> <offset>");
700 duration_start_measure(&duration);
702 offset = strtoul(args[2], NULL, 0);
703 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
706 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
710 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
712 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
716 buffer = malloc(fileio.size);
717 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
719 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
723 if ((retval = p->driver->write(p, buffer, offset, buf_cnt)) != ERROR_OK)
725 command_print(cmd_ctx, "failed writing file %s to flash bank %i at offset 0x%8.8x",
726 args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0));
730 case ERROR_TARGET_NOT_HALTED:
731 command_print(cmd_ctx, "can't work with this flash while target is running");
733 case ERROR_INVALID_ARGUMENTS:
734 command_print(cmd_ctx, "usage: flash write <bank> <file> <offset>");
736 case ERROR_FLASH_BANK_INVALID:
737 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
739 case ERROR_FLASH_OPERATION_FAILED:
740 command_print(cmd_ctx, "flash program error");
742 case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
743 command_print(cmd_ctx, "offset breaks required alignment");
745 case ERROR_FLASH_DST_OUT_OF_BANK:
746 command_print(cmd_ctx, "destination is out of flash bank (offset and/or file too large)");
748 case ERROR_FLASH_SECTOR_NOT_ERASED:
749 command_print(cmd_ctx, "destination sector(s) not erased");
752 command_print(cmd_ctx, "unknown error");
758 duration_stop_measure(&duration, &duration_text);
759 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
760 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
761 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
764 fileio_close(&fileio);
769 /* lookup flash bank by address */
770 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
774 /* cycle through bank list */
775 for (c = flash_banks; c; c = c->next)
777 /* check whether address belongs to this flash bank */
778 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
785 /* erase given flash region, selects proper bank according to target and address */
786 int flash_erase(target_t *target, u32 addr, u32 length)
793 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
794 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
796 if (c->size == 0 || c->num_sectors == 0)
797 return ERROR_FLASH_BANK_INVALID;
801 /* special case, erase whole bank when length is zero */
803 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
805 return c->driver->erase(c, 0, c->num_sectors - 1);
808 /* check whether it fits */
809 if (addr + length > c->base + c->size)
810 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
814 for (i = 0; i < c->num_sectors; i++)
816 /* check whether sector overlaps with the given range and is not yet erased */
817 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
818 /* if first is not set yet then this is the first sector */
821 last = i; /* and it is the last one so far in any case */
825 if( first == -1 || last == -1 )
828 return c->driver->erase(c, first, last);
831 /* write (optional verify) an image to flash memory of the given target */
832 int flash_write(target_t *target, image_t *image, u32 *written, char **error_str, int *failed, int erase)
847 for (i = 0; i < image->num_sections; i++)
850 /* loop until we reach end of the image */
851 while (section < image->num_sections)
858 u32 run_address = image->sections[section].base_address + section_offset;
859 u32 run_size = image->sections[section].size - section_offset;
861 if (image->sections[section].size == 0)
863 WARNING("empty section %d", section);
869 /* find the corresponding flash bank */
870 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
874 if (error_str == NULL)
875 return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
876 *error_str = malloc(FLASH_MAX_ERROR_STR);
877 snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
878 return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
880 failed[section] = ERROR_FLASH_DST_OUT_OF_BANK; /* mark the section as failed */
881 section++; /* and skip it */
886 /* collect consecutive sections which fall into the same bank */
887 section_first = section;
888 section_last = section;
889 while ((run_address + run_size < c->base + c->size)
890 && (section_last + 1 < image->num_sections))
892 if (image->sections[section_last + 1].base_address < (run_address + run_size))
894 DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
897 if (image->sections[section_last + 1].base_address != (run_address + run_size))
899 run_size += image->sections[++section_last].size;
902 /* fit the run into bank constraints */
903 if (run_address + run_size > c->base + c->size)
904 run_size = c->base + c->size - run_address;
906 /* allocate buffer */
907 buffer = malloc(run_size);
910 /* read sections to the buffer */
911 while (buffer_size < run_size)
915 if (buffer_size - run_size <= image->sections[section].size - section_offset)
916 size_read = buffer_size - run_size;
918 size_read = image->sections[section].size - section_offset;
920 if ((retval = image_read_section(image, section, section_offset,
921 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
925 if (error_str == NULL)
926 return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
928 *error_str = malloc(FLASH_MAX_ERROR_STR);
930 /* if image_read_section returned an error there's an error string we can pass on */
931 if (retval != ERROR_OK)
932 snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image: %s", image->error_str);
934 snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image");
936 return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
939 buffer_size += size_read;
940 section_offset += size_read;
942 if (section_offset >= image->sections[section].size)
953 /* calculate and erase sectors */
954 retval = flash_erase( target, run_address, run_size );
957 if (retval == ERROR_OK)
959 /* write flash sectors */
960 retval = c->driver->write(c, buffer, run_address - c->base, run_size);
965 if (retval != ERROR_OK)
967 if (error_str == NULL)
968 return retval; /* abort operation */
970 *error_str = malloc(FLASH_MAX_ERROR_STR);
973 case ERROR_TARGET_NOT_HALTED:
974 snprintf(*error_str, FLASH_MAX_ERROR_STR, "can't flash image while target is running");
976 case ERROR_INVALID_ARGUMENTS:
977 snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash driver can't fulfill request");
979 case ERROR_FLASH_OPERATION_FAILED:
980 snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash program error");
982 case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
983 snprintf(*error_str, FLASH_MAX_ERROR_STR, "offset breaks required alignment");
985 case ERROR_FLASH_DST_OUT_OF_BANK:
986 snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
988 case ERROR_FLASH_SECTOR_NOT_ERASED:
989 snprintf(*error_str, FLASH_MAX_ERROR_STR, "destination sector(s) not erased");
992 snprintf(*error_str, FLASH_MAX_ERROR_STR, "unknown error: %i", retval);
995 return retval; /* abort operation */
999 *written += run_size; /* add run size to total written counter */
1005 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1009 command_print(cmd_ctx, "usage: flash auto_erase <on|off>");
1013 if (strcmp(args[0], "on") == 0)
1015 else if (strcmp(args[0], "off") == 0)