- added autoprobe functionality
[openocd.git] / src / flash / flash.c
blob9d82e09ac7c35e9f41648cc52b5412e91e56f51b
1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
4 * *
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. *
9 * *
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. *
14 * *
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 ***************************************************************************/
20 #ifdef HAVE_CONFIG_H
21 #include "config.h"
22 #endif
24 #include "flash.h"
25 #include "command.h"
26 #include "target.h"
27 #include "time_support.h"
28 #include "fileio.h"
29 #include "image.h"
30 #include "log.h"
32 #include <string.h>
33 #include <unistd.h>
34 #include <stdlib.h>
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #include <errno.h>
38 #include <inttypes.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);
56 /* flash drivers
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[] =
70 &lpc2000_flash,
71 &cfi_flash,
72 &at91sam7_flash,
73 &str7x_flash,
74 &str9x_flash,
75 &stellaris_flash,
76 &str9xpec_flash,
77 &stm32x_flash,
78 &tms470_flash,
79 NULL,
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);
92 return ERROR_OK;
95 int flash_init_drivers(struct command_context_s *cmd_ctx)
97 if (flash_banks)
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>");
127 return ERROR_OK;
130 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
132 flash_bank_t *p;
133 int i = 0;
135 for (p = flash_banks; p; p = p->next)
137 if (i++ == num)
139 return p;
143 return NULL;
146 flash_bank_t *get_flash_bank_by_num(int num)
148 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
149 int retval;
151 if (p == NULL)
152 return NULL;
154 retval = p->driver->auto_probe(p);
156 if (retval != ERROR_OK)
158 ERROR("auto_probe failed %d\n", retval);
159 return NULL;
161 return p;
164 /* flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]
166 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
168 int i;
169 int found = 0;
170 target_t *target;
172 if (argc < 6)
174 WARNING("incomplete flash_bank configuration");
175 WARNING("flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
176 return ERROR_OK;
179 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
181 ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
182 return ERROR_OK;
185 for (i = 0; flash_drivers[i]; i++)
187 if (strcmp(args[0], flash_drivers[i]->name) == 0)
189 flash_bank_t *p, *c;
191 /* register flash specific commands */
192 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
194 ERROR("couldn't register '%s' commands", args[0]);
195 exit(-1);
198 c = malloc(sizeof(flash_bank_t));
199 c->target = target;
200 c->driver = flash_drivers[i];
201 c->driver_priv = NULL;
202 c->base = strtoul(args[1], NULL, 0);
203 c->size = strtoul(args[2], NULL, 0);
204 c->chip_width = strtoul(args[3], NULL, 0);
205 c->bus_width = strtoul(args[4], NULL, 0);
206 c->num_sectors = 0;
207 c->sectors = NULL;
208 c->next = NULL;
210 if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
212 ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
213 free(c);
214 return ERROR_OK;
217 /* put flash bank in linked list */
218 if (flash_banks)
220 /* find last flash bank */
221 for (p = flash_banks; p && p->next; p = p->next);
222 if (p)
223 p->next = c;
225 else
227 flash_banks = c;
230 found = 1;
234 /* no matching flash driver found */
235 if (!found)
237 ERROR("flash driver '%s' not found", args[0]);
238 exit(-1);
241 return ERROR_OK;
244 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
246 flash_bank_t *p;
247 int i = 0;
249 if (!flash_banks)
251 command_print(cmd_ctx, "no flash banks configured");
252 return ERROR_OK;
255 for (p = flash_banks; p; p = p->next)
257 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
258 i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
261 return ERROR_OK;
264 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
266 flash_bank_t *p;
267 int i = 0;
268 int j = 0;
270 if (argc != 1)
272 command_print(cmd_ctx, "usage: flash info <num>");
273 return ERROR_OK;
276 for (p = flash_banks; p; p = p->next, i++)
278 if (i == strtoul(args[0], NULL, 0))
280 char buf[1024];
282 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
283 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
284 for (j = 0; j < p->num_sectors; j++)
286 char *erase_state, *protect_state;
288 if (p->sectors[j].is_erased == 0)
289 erase_state = "not erased";
290 else if (p->sectors[j].is_erased == 1)
291 erase_state = "erased";
292 else
293 erase_state = "erase state unknown";
295 if (p->sectors[j].is_protected == 0)
296 protect_state = "not protected";
297 else if (p->sectors[j].is_protected == 1)
298 protect_state = "protected";
299 else
300 protect_state = "protection state unknown";
302 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s",
303 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
304 erase_state, protect_state);
307 p->driver->info(p, buf, 1024);
308 command_print(cmd_ctx, "%s", buf);
312 return ERROR_OK;
315 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
317 flash_bank_t *p;
318 int retval;
320 if (argc != 1)
322 command_print(cmd_ctx, "usage: flash probe <num>");
323 return ERROR_OK;
326 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
327 if (p)
329 if ((retval = p->driver->probe(p)) == ERROR_OK)
331 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
333 else if (retval == ERROR_FLASH_BANK_INVALID)
335 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
336 args[0], p->base);
338 else
340 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
341 args[0], p->base);
344 else
346 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
349 return ERROR_OK;
352 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
354 flash_bank_t *p;
355 int retval;
357 if (argc != 1)
359 command_print(cmd_ctx, "usage: flash erase_check <num>");
360 return ERROR_OK;
363 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
364 if (p)
366 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
368 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
370 else
372 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
373 args[0], p->base);
376 else
378 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
381 return ERROR_OK;
384 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
386 flash_bank_t *p;
387 int retval;
388 int address;
389 int length;
390 duration_t duration;
391 char *duration_text;
393 target_t *target = get_current_target(cmd_ctx);
395 if (argc != 2)
397 command_print(cmd_ctx, "usage: flash erase_address <address> <length>");
398 return ERROR_OK;
401 address = strtoul(args[0], NULL, 0);
402 length = strtoul(args[1], NULL, 0);
403 if (length <= 0)
405 command_print(cmd_ctx, "Length must be >0");
406 return ERROR_INVALID_ARGUMENTS;
409 p = get_flash_bank_by_addr(target, address);
410 if (p == NULL)
412 command_print(cmd_ctx, "No flash at that address");
413 return ERROR_INVALID_ARGUMENTS;
416 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
417 flash_set_dirty();
419 duration_start_measure(&duration);
421 if ((retval = flash_erase_address_range(target, address, length)) != ERROR_OK)
423 switch (retval)
425 case ERROR_TARGET_NOT_HALTED:
426 command_print(cmd_ctx, "can't work with this flash while target is running");
427 break;
428 case ERROR_INVALID_ARGUMENTS:
429 command_print(cmd_ctx, "usage: flash erase_address <address> <length>");
430 break;
431 case ERROR_FLASH_BANK_INVALID:
432 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
433 break;
434 case ERROR_FLASH_OPERATION_FAILED:
435 command_print(cmd_ctx, "flash erase error");
436 break;
437 case ERROR_FLASH_SECTOR_INVALID:
438 command_print(cmd_ctx, "sector number(s) invalid");
439 break;
440 default:
441 command_print(cmd_ctx, "unknown error");
444 else
446 duration_stop_measure(&duration, &duration_text);
447 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
448 free(duration_text);
451 return retval;
454 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
456 flash_bank_t *p;
457 int retval;
459 if (argc != 1)
461 command_print(cmd_ctx, "usage: flash protect_check <num>");
462 return ERROR_OK;
465 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
466 if (p)
468 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
470 command_print(cmd_ctx, "successfully checked protect state");
472 else if (retval == ERROR_FLASH_OPERATION_FAILED)
474 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
476 else
478 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
481 else
483 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
486 return ERROR_OK;
489 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
491 if (argc > 2)
493 int first = strtoul(args[1], NULL, 0);
494 int last = strtoul(args[2], NULL, 0);
495 int retval;
496 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
497 duration_t duration;
498 char *duration_text;
500 duration_start_measure(&duration);
502 if (!p)
504 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
505 return ERROR_OK;
508 if ((retval = p->driver->erase(p, first, last)) != ERROR_OK)
510 switch (retval)
512 case ERROR_TARGET_NOT_HALTED:
513 command_print(cmd_ctx, "can't work with this flash while target is running");
514 break;
515 case ERROR_INVALID_ARGUMENTS:
516 command_print(cmd_ctx, "usage: flash_erase <bank> <first> <last>");
517 break;
518 case ERROR_FLASH_BANK_INVALID:
519 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
520 break;
521 case ERROR_FLASH_OPERATION_FAILED:
522 command_print(cmd_ctx, "flash erase error");
523 break;
524 case ERROR_FLASH_SECTOR_INVALID:
525 command_print(cmd_ctx, "sector number(s) invalid");
526 break;
527 case ERROR_OK:
528 command_print(cmd_ctx, "erased flash sectors %i to %i", first, last);
529 break;
530 default:
531 command_print(cmd_ctx, "unknown error");
534 else
536 duration_stop_measure(&duration, &duration_text);
538 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
539 free(duration_text);
542 else
544 command_print(cmd_ctx, "usage: flash erase <bank> <first> <last>");
547 return ERROR_OK;
550 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
552 if (argc > 3)
554 int first = strtoul(args[1], NULL, 0);
555 int last = strtoul(args[2], NULL, 0);
556 int set;
557 int retval;
558 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
559 if (!p)
561 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
562 return ERROR_OK;
565 if (strcmp(args[3], "on") == 0)
566 set = 1;
567 else if (strcmp(args[3], "off") == 0)
568 set = 0;
569 else
571 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
572 return ERROR_OK;
575 if ((retval = p->driver->protect(p, set, first, last)) != ERROR_OK)
577 switch (retval)
579 case ERROR_TARGET_NOT_HALTED:
580 command_print(cmd_ctx, "can't work with this flash while target is running");
581 break;
582 case ERROR_INVALID_ARGUMENTS:
583 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
584 break;
585 case ERROR_FLASH_BANK_INVALID:
586 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
587 break;
588 case ERROR_FLASH_OPERATION_FAILED:
589 command_print(cmd_ctx, "flash program error");
590 break;
591 case ERROR_FLASH_SECTOR_INVALID:
592 command_print(cmd_ctx, "sector number(s) invalid");
593 break;
594 case ERROR_OK:
595 command_print(cmd_ctx, "protection of flash sectors %i to %i turned %s", first, last, args[3]);
596 break;
597 default:
598 command_print(cmd_ctx, "unknown error");
601 else
603 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));
606 else
608 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
611 return ERROR_OK;
614 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
616 target_t *target = get_current_target(cmd_ctx);
618 image_t image;
619 u32 written;
620 char *error_str;
621 int *failed;
623 int i;
625 duration_t duration;
626 char *duration_text;
628 int retval;
630 if (argc < 1)
632 command_print(cmd_ctx, "usage: flash %s <file> [offset] [type]", cmd);
633 return ERROR_INVALID_ARGUMENTS;
636 if (!target)
638 ERROR("no target selected");
639 return ERROR_OK;
642 duration_start_measure(&duration);
644 if (argc >= 2)
646 image.base_address_set = 1;
647 image.base_address = strtoul(args[1], NULL, 0);
649 else
651 image.base_address_set = 0;
652 image.base_address = 0x0;
655 image.start_address_set = 0;
657 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
658 if (retval != ERROR_OK)
660 command_print(cmd_ctx, "image_open error: %s", image.error_str);
661 return retval;
664 failed = malloc(sizeof(int) * image.num_sections);
666 error_str = NULL;
668 retval = flash_write(target, &image, &written, &error_str, failed, auto_erase);
670 if (retval != ERROR_OK)
672 if (error_str)
674 command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
675 free(error_str);
677 image_close(&image);
678 free(failed);
679 return retval;
682 for (i = 0; i < image.num_sections; i++)
684 if (failed[i])
686 command_print(cmd_ctx, "didn't write section at 0x%8.8x, size 0x%8.8x",
687 image.sections[i].base_address, image.sections[i].size);
691 duration_stop_measure(&duration, &duration_text);
692 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
693 written, args[0], duration_text,
694 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
695 free(duration_text);
696 free(failed);
698 image_close(&image);
700 return ERROR_OK;
703 int handle_flash_write_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
705 u32 offset;
706 u8 *buffer;
707 u32 buf_cnt;
709 fileio_t fileio;
711 duration_t duration;
712 char *duration_text;
714 int retval;
715 flash_bank_t *p;
717 if (argc < 3)
719 command_print(cmd_ctx, "usage: flash write_binary <bank> <file> <offset>");
720 return ERROR_OK;
723 duration_start_measure(&duration);
725 offset = strtoul(args[2], NULL, 0);
726 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
727 if (!p)
729 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
730 return ERROR_OK;
733 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
735 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
736 return ERROR_OK;
739 buffer = malloc(fileio.size);
740 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
742 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
743 return ERROR_OK;
746 if ((retval = p->driver->write(p, buffer, offset, buf_cnt)) != ERROR_OK)
748 command_print(cmd_ctx, "failed writing file %s to flash bank %i at offset 0x%8.8x",
749 args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0));
751 switch (retval)
753 case ERROR_TARGET_NOT_HALTED:
754 command_print(cmd_ctx, "can't work with this flash while target is running");
755 break;
756 case ERROR_INVALID_ARGUMENTS:
757 command_print(cmd_ctx, "usage: flash write <bank> <file> <offset>");
758 break;
759 case ERROR_FLASH_BANK_INVALID:
760 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
761 break;
762 case ERROR_FLASH_OPERATION_FAILED:
763 command_print(cmd_ctx, "flash program error");
764 break;
765 case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
766 command_print(cmd_ctx, "offset breaks required alignment");
767 break;
768 case ERROR_FLASH_DST_OUT_OF_BANK:
769 command_print(cmd_ctx, "destination is out of flash bank (offset and/or file too large)");
770 break;
771 case ERROR_FLASH_SECTOR_NOT_ERASED:
772 command_print(cmd_ctx, "destination sector(s) not erased");
773 break;
774 default:
775 command_print(cmd_ctx, "unknown error");
779 free(buffer);
781 duration_stop_measure(&duration, &duration_text);
782 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
783 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
784 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
785 free(duration_text);
787 fileio_close(&fileio);
789 return ERROR_OK;
792 void flash_set_dirty(void)
794 flash_bank_t *c;
795 int i;
797 /* set all flash to require erasing */
798 for (c = flash_banks; c; c = c->next)
800 for (i = 0; i < c->num_sectors; i++)
802 c->sectors[i].is_erased = 0;
807 /* lookup flash bank by address */
808 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
810 flash_bank_t *c;
812 /* cycle through bank list */
813 for (c = flash_banks; c; c = c->next)
815 int retval;
816 retval = c->driver->auto_probe(c);
818 if (retval != ERROR_OK)
820 ERROR("auto_probe failed %d\n", retval);
821 return NULL;
823 /* check whether address belongs to this flash bank */
824 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
825 return c;
828 return NULL;
831 /* erase given flash region, selects proper bank according to target and address */
832 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
834 flash_bank_t *c;
835 int first = -1;
836 int last = -1;
837 int i;
839 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
840 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
842 if (c->size == 0 || c->num_sectors == 0)
843 return ERROR_FLASH_BANK_INVALID;
845 if (length == 0)
847 /* special case, erase whole bank when length is zero */
848 if (addr != c->base)
849 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
851 return c->driver->erase(c, 0, c->num_sectors - 1);
854 /* check whether it fits */
855 if (addr + length > c->base + c->size)
856 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
858 addr -= c->base;
860 for (i = 0; i < c->num_sectors; i++)
862 /* check whether sector overlaps with the given range and is not yet erased */
863 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
864 /* if first is not set yet then this is the first sector */
865 if (first == -1)
866 first = i;
867 last = i; /* and it is the last one so far in any case */
871 if( first == -1 || last == -1 )
872 return ERROR_OK;
874 return c->driver->erase(c, first, last);
877 /* write (optional verify) an image to flash memory of the given target */
878 int flash_write(target_t *target, image_t *image, u32 *written, char **error_str, int *failed, int erase)
880 int retval;
881 int i;
883 int section;
884 u32 section_offset;
885 flash_bank_t *c;
887 section = 0;
888 section_offset = 0;
890 if (written)
891 *written = 0;
893 if (failed != NULL)
894 for (i = 0; i < image->num_sections; i++)
895 failed[i] = 0;
897 if (erase)
899 /* assume all sectors need erasing - stops any problems
900 * when flash_write is called multiple times */
902 flash_set_dirty();
905 /* loop until we reach end of the image */
906 while (section < image->num_sections)
908 u32 buffer_size;
909 u8 *buffer;
910 int section_first;
911 int section_last;
912 u32 run_address = image->sections[section].base_address + section_offset;
913 u32 run_size = image->sections[section].size - section_offset;
915 if (image->sections[section].size == 0)
917 WARNING("empty section %d", section);
918 section++;
919 section_offset = 0;
920 continue;
923 /* find the corresponding flash bank */
924 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
926 if (failed == NULL)
928 if (error_str == NULL)
929 return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
930 *error_str = malloc(FLASH_MAX_ERROR_STR);
931 snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
932 return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
934 failed[section] = ERROR_FLASH_DST_OUT_OF_BANK; /* mark the section as failed */
935 section++; /* and skip it */
936 section_offset = 0;
937 continue;
940 /* collect consecutive sections which fall into the same bank */
941 section_first = section;
942 section_last = section;
943 while ((run_address + run_size < c->base + c->size)
944 && (section_last + 1 < image->num_sections))
946 if (image->sections[section_last + 1].base_address < (run_address + run_size))
948 DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
949 break;
951 if (image->sections[section_last + 1].base_address != (run_address + run_size))
952 break;
953 run_size += image->sections[++section_last].size;
956 /* fit the run into bank constraints */
957 if (run_address + run_size > c->base + c->size)
958 run_size = c->base + c->size - run_address;
960 /* allocate buffer */
961 buffer = malloc(run_size);
962 buffer_size = 0;
964 /* read sections to the buffer */
965 while (buffer_size < run_size)
967 u32 size_read;
969 if (buffer_size - run_size <= image->sections[section].size - section_offset)
970 size_read = buffer_size - run_size;
971 else
972 size_read = image->sections[section].size - section_offset;
974 if ((retval = image_read_section(image, section, section_offset,
975 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
977 free(buffer);
979 if (error_str == NULL)
980 return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
982 *error_str = malloc(FLASH_MAX_ERROR_STR);
984 /* if image_read_section returned an error there's an error string we can pass on */
985 if (retval != ERROR_OK)
986 snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image: %s", image->error_str);
987 else
988 snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image");
990 return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
993 buffer_size += size_read;
994 section_offset += size_read;
996 if (section_offset >= image->sections[section].size)
998 section++;
999 section_offset = 0;
1003 retval = ERROR_OK;
1005 if (erase)
1007 /* calculate and erase sectors */
1008 retval = flash_erase_address_range( target, run_address, run_size );
1011 if (retval == ERROR_OK)
1013 /* write flash sectors */
1014 retval = c->driver->write(c, buffer, run_address - c->base, run_size);
1017 free(buffer);
1019 if (retval != ERROR_OK)
1021 if (error_str == NULL)
1022 return retval; /* abort operation */
1024 *error_str = malloc(FLASH_MAX_ERROR_STR);
1025 switch (retval)
1027 case ERROR_TARGET_NOT_HALTED:
1028 snprintf(*error_str, FLASH_MAX_ERROR_STR, "can't flash image while target is running");
1029 break;
1030 case ERROR_INVALID_ARGUMENTS:
1031 snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash driver can't fulfill request");
1032 break;
1033 case ERROR_FLASH_OPERATION_FAILED:
1034 snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash program error");
1035 break;
1036 case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
1037 snprintf(*error_str, FLASH_MAX_ERROR_STR, "offset breaks required alignment");
1038 break;
1039 case ERROR_FLASH_DST_OUT_OF_BANK:
1040 snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
1041 break;
1042 case ERROR_FLASH_SECTOR_NOT_ERASED:
1043 snprintf(*error_str, FLASH_MAX_ERROR_STR, "destination sector(s) not erased");
1044 break;
1045 default:
1046 snprintf(*error_str, FLASH_MAX_ERROR_STR, "unknown error: %i", retval);
1049 return retval; /* abort operation */
1052 if (written != NULL)
1053 *written += run_size; /* add run size to total written counter */
1056 return ERROR_OK;
1059 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1061 if (argc != 1)
1063 command_print(cmd_ctx, "usage: flash auto_erase <on|off>");
1064 return ERROR_OK;
1067 if (strcmp(args[0], "on") == 0)
1068 auto_erase = 1;
1069 else if (strcmp(args[0], "off") == 0)
1070 auto_erase = 0;
1072 return ERROR_OK;