1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * Copyright (C) 2007,2008 Øyvind Harboe *
6 * oyvind.harboe@zylin.com *
8 * Copyright (C) 2008 by Spencer Oliver *
9 * spen@spen-soft.co.uk *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program; if not, write to the *
23 * Free Software Foundation, Inc., *
24 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
25 ***************************************************************************/
32 #include "time_support.h"
34 /* command handlers */
35 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
36 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
37 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
38 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
39 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
40 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
41 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
42 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
43 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
44 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
45 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
49 extern flash_driver_t lpc2000_flash;
50 extern flash_driver_t lpc288x_flash;
51 extern flash_driver_t lpc2900_flash;
52 extern flash_driver_t cfi_flash;
53 extern flash_driver_t at91sam3_flash;
54 extern flash_driver_t at91sam7_flash;
55 extern flash_driver_t str7x_flash;
56 extern flash_driver_t str9x_flash;
57 extern flash_driver_t aduc702x_flash;
58 extern flash_driver_t stellaris_flash;
59 extern flash_driver_t str9xpec_flash;
60 extern flash_driver_t stm32x_flash;
61 extern flash_driver_t tms470_flash;
62 extern flash_driver_t ecosflash_flash;
63 extern flash_driver_t ocl_flash;
64 extern flash_driver_t pic32mx_flash;
65 extern flash_driver_t avr_flash;
67 flash_driver_t *flash_drivers[] = {
88 flash_bank_t *flash_banks;
89 static command_t *flash_cmd;
91 /* wafer thin wrapper for invoking the flash driver */
92 static int flash_driver_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
96 retval = bank->driver->write(bank, buffer, offset, count);
97 if (retval != ERROR_OK)
99 LOG_ERROR("error writing to flash at address 0x%08" PRIx32 " at offset 0x%8.8" PRIx32 " (%d)",
100 bank->base, offset, retval);
106 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
110 retval = bank->driver->erase(bank, first, last);
111 if (retval != ERROR_OK)
113 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
119 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
123 retval = bank->driver->protect(bank, set, first, last);
124 if (retval != ERROR_OK)
126 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
132 int flash_register_commands(struct command_context_s *cmd_ctx)
134 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
136 register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, "flash bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
140 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
145 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
149 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
150 for (p = flash_banks; p; p = p->next)
152 Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
154 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
155 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
156 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
157 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
158 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
159 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
160 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
161 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
162 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
163 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
165 Jim_ListAppendElement(interp, list, elem);
168 Jim_SetResult(interp, list);
173 int flash_init_drivers(struct command_context_s *cmd_ctx)
175 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
179 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
180 "print info about flash bank <num>");
181 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
182 "identify flash bank <num>");
183 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
184 "check erase state of sectors in flash bank <num>");
185 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
186 "check protection state of sectors in flash bank <num>");
187 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
188 "erase sectors at <bank> <first> <last>");
189 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
190 "erase address range <address> <length>");
192 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
193 "fill with pattern (no autoerase) <address> <word_pattern> <count>");
194 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
195 "fill with pattern <address> <halfword_pattern> <count>");
196 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
197 "fill with pattern <address> <byte_pattern> <count>");
199 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
200 "write binary data to <bank> <file> <offset>");
201 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
202 "write_image [erase] <file> [offset] [type]");
203 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
204 "set protection of sectors at <bank> <first> <last> <on | off>");
210 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
215 for (p = flash_banks; p; p = p->next)
222 LOG_ERROR("flash bank %d does not exist", num);
226 int flash_get_bank_count(void)
230 for (p = flash_banks; p; p = p->next)
237 flash_bank_t *get_flash_bank_by_num(int num)
239 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
245 retval = p->driver->auto_probe(p);
247 if (retval != ERROR_OK)
249 LOG_ERROR("auto_probe failed %d\n", retval);
255 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
264 return ERROR_COMMAND_SYNTAX_ERROR;
267 if ((target = get_target(args[5])) == NULL)
269 LOG_ERROR("target '%s' not defined", args[5]);
273 for (i = 0; flash_drivers[i]; i++)
275 if (strcmp(args[0], flash_drivers[i]->name) == 0)
279 /* register flash specific commands */
280 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
282 LOG_ERROR("couldn't register '%s' commands", args[0]);
286 c = malloc(sizeof(flash_bank_t));
288 c->driver = flash_drivers[i];
289 c->driver_priv = NULL;
290 c->base = strtoul(args[1], NULL, 0);
291 c->size = strtoul(args[2], NULL, 0);
292 c->chip_width = strtoul(args[3], NULL, 0);
293 c->bus_width = strtoul(args[4], NULL, 0);
298 if ((retval = flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
300 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32 , args[0], c->base);
305 /* put flash bank in linked list */
309 /* find last flash bank */
310 for (p = flash_banks; p && p->next; p = p->next) bank_num++;
313 c->bank_number = bank_num + 1;
325 /* no matching flash driver found */
328 LOG_ERROR("flash driver '%s' not found", args[0]);
335 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
344 return ERROR_COMMAND_SYNTAX_ERROR;
347 for (p = flash_banks; p; p = p->next, i++)
349 if (i == strtoul(args[0], NULL, 0))
353 /* attempt auto probe */
354 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
357 command_print(cmd_ctx,
358 "#%" PRIi32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
365 for (j = 0; j < p->num_sectors; j++)
369 if (p->sectors[j].is_protected == 0)
370 protect_state = "not protected";
371 else if (p->sectors[j].is_protected == 1)
372 protect_state = "protected";
374 protect_state = "protection state unknown";
376 command_print(cmd_ctx,
377 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
379 p->sectors[j].offset,
381 p->sectors[j].size >> 10,
385 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
386 retval = p->driver->info(p, buf, sizeof(buf));
387 command_print(cmd_ctx, "%s", buf);
388 if (retval != ERROR_OK)
389 LOG_ERROR("error retrieving flash info (%d)", retval);
396 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
403 return ERROR_COMMAND_SYNTAX_ERROR;
406 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
409 if ((retval = p->driver->probe(p)) == ERROR_OK)
411 command_print(cmd_ctx, "flash '%s' found at 0x%8.8" PRIx32, p->driver->name, p->base);
413 else if (retval == ERROR_FLASH_BANK_INVALID)
415 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8" PRIx32,
420 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8" PRIx32,
426 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
432 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
439 return ERROR_COMMAND_SYNTAX_ERROR;
442 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
446 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
448 command_print(cmd_ctx, "successfully checked erase state");
452 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
456 for (j = 0; j < p->num_sectors; j++)
460 if (p->sectors[j].is_erased == 0)
461 erase_state = "not erased";
462 else if (p->sectors[j].is_erased == 1)
463 erase_state = "erased";
465 erase_state = "erase state unknown";
467 command_print(cmd_ctx,
468 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
470 p->sectors[j].offset,
472 p->sectors[j].size >> 10,
480 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
489 target_t *target = get_current_target(cmd_ctx);
493 return ERROR_COMMAND_SYNTAX_ERROR;
496 address = strtoul(args[0], NULL, 0);
497 length = strtoul(args[1], NULL, 0);
500 command_print(cmd_ctx, "Length must be >0");
501 return ERROR_COMMAND_SYNTAX_ERROR;
504 p = get_flash_bank_by_addr(target, address);
510 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
513 duration_start_measure(&duration);
515 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
517 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
521 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
528 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
535 return ERROR_COMMAND_SYNTAX_ERROR;
538 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
541 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
543 command_print(cmd_ctx, "successfully checked protect state");
545 else if (retval == ERROR_FLASH_OPERATION_FAILED)
547 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, args[0], p->base);
551 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, args[0], p->base);
556 return ERROR_COMMAND_SYNTAX_ERROR;
562 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
566 int first = strtoul(args[1], NULL, 0);
567 int last = strtoul(args[2], NULL, 0);
569 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
573 duration_start_measure(&duration);
577 return ERROR_COMMAND_SYNTAX_ERROR;
580 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
582 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
587 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %li in %s",
588 first, last, strtoul(args[0], 0, 0), duration_text);
594 return ERROR_COMMAND_SYNTAX_ERROR;
600 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
604 int first = strtoul(args[1], NULL, 0);
605 int last = strtoul(args[2], NULL, 0);
608 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
611 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
615 if (strcmp(args[3], "on") == 0)
617 else if (strcmp(args[3], "off") == 0)
621 return ERROR_COMMAND_SYNTAX_ERROR;
624 retval = flash_driver_protect(p, set, first, last);
625 if (retval == ERROR_OK)
627 command_print(cmd_ctx, "%s protection for sectors %i through %i on flash bank %li",
628 (set) ? "set" : "cleared", first,
629 last, strtoul(args[0], 0, 0));
634 return ERROR_COMMAND_SYNTAX_ERROR;
641 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
643 target_t *target = get_current_target(cmd_ctx);
651 int retval, retvaltemp;
655 return ERROR_COMMAND_SYNTAX_ERROR;
658 /* flash auto-erase is disabled by default*/
661 if (strcmp(args[0], "erase") == 0)
666 command_print(cmd_ctx, "auto erase enabled");
671 return ERROR_COMMAND_SYNTAX_ERROR;
676 LOG_ERROR("no target selected");
680 duration_start_measure(&duration);
684 image.base_address_set = 1;
685 image.base_address = strtoul(args[1], NULL, 0);
689 image.base_address_set = 0;
690 image.base_address = 0x0;
693 image.start_address_set = 0;
695 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
696 if (retval != ERROR_OK)
701 retval = flash_write(target, &image, &written, auto_erase);
702 if (retval != ERROR_OK)
708 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
716 speed = written / 1024.0;
717 speed /= ((float)duration.duration.tv_sec
718 + ((float)duration.duration.tv_usec / 1000000.0));
719 command_print(cmd_ctx,
720 "wrote %" PRIu32 " byte from file %s in %s (%f kb/s)",
721 written, args[0], duration_text, speed);
730 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
732 int err = ERROR_OK, retval;
737 uint8_t readback[1024];
739 uint32_t cur_size = 0;
740 uint32_t chunk_count;
743 target_t *target = get_current_target(cmd_ctx);
749 return ERROR_COMMAND_SYNTAX_ERROR;
752 address = strtoul(args[0], NULL, 0);
753 pattern = strtoul(args[1], NULL, 0);
754 count = strtoul(args[2], NULL, 0);
771 return ERROR_COMMAND_SYNTAX_ERROR;
774 chunk_count = MIN(count, (1024 / wordsize));
778 for (i = 0; i < chunk_count; i++)
780 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
784 for (i = 0; i < chunk_count; i++)
786 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
790 memset(chunk, pattern, chunk_count);
793 LOG_ERROR("BUG: can't happen");
797 duration_start_measure(&duration);
799 for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
801 cur_size = MIN((count*wordsize - wrote), sizeof(chunk));
803 bank = get_flash_bank_by_addr(target, address);
808 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
812 err = target_read_buffer(target, address + wrote, cur_size, readback);
817 for (i = 0; i < cur_size; i++)
819 if (readback[i]!=chunk[i])
821 LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
822 address + wrote + i, readback[i], chunk[i]);
829 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
836 speed = wrote / 1024.0;
837 speed /= ((float)duration.duration.tv_sec
838 + ((float)duration.duration.tv_usec / 1000000.0));
839 command_print(cmd_ctx,
840 "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32 " in %s (%f kb/s)",
841 wrote, address, duration_text, speed);
847 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
858 int retval, retvaltemp;
863 return ERROR_COMMAND_SYNTAX_ERROR;
866 duration_start_measure(&duration);
868 offset = strtoul(args[2], NULL, 0);
869 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
872 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
876 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
881 buffer = malloc(fileio.size);
882 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
885 fileio_close(&fileio);
889 retval = flash_driver_write(p, buffer, offset, buf_cnt);
894 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
896 fileio_close(&fileio);
899 if (retval == ERROR_OK)
901 command_print(cmd_ctx,
902 "wrote %lld byte from file %s to flash bank %li at offset 0x%8.8" PRIx32 " in %s (%f kb/s)",
905 strtoul(args[0], NULL, 0),
908 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
912 fileio_close(&fileio);
917 void flash_set_dirty(void)
922 /* set all flash to require erasing */
923 for (c = flash_banks; c; c = c->next)
925 for (i = 0; i < c->num_sectors; i++)
927 c->sectors[i].is_erased = 0;
932 /* lookup flash bank by address */
933 flash_bank_t *get_flash_bank_by_addr(target_t *target, uint32_t addr)
937 /* cycle through bank list */
938 for (c = flash_banks; c; c = c->next)
941 retval = c->driver->auto_probe(c);
943 if (retval != ERROR_OK)
945 LOG_ERROR("auto_probe failed %d\n", retval);
948 /* check whether address belongs to this flash bank */
949 if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
952 LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr);
956 /* erase given flash region, selects proper bank according to target and address */
957 int flash_erase_address_range(target_t *target, uint32_t addr, uint32_t length)
964 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
965 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
967 if (c->size == 0 || c->num_sectors == 0)
969 LOG_ERROR("Bank is invalid");
970 return ERROR_FLASH_BANK_INVALID;
975 /* special case, erase whole bank when length is zero */
977 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
979 return flash_driver_erase(c, 0, c->num_sectors - 1);
982 /* check whether it fits */
983 if (addr + length - 1 > c->base + c->size - 1)
984 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
988 for (i = 0; i < c->num_sectors; i++)
990 /* check whether sector overlaps with the given range and is not yet erased */
991 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
992 /* if first is not set yet then this is the first sector */
995 last = i; /* and it is the last one so far in any case */
999 if (first == -1 || last == -1)
1002 return flash_driver_erase(c, first, last);
1005 /* write (optional verify) an image to flash memory of the given target */
1006 int flash_write(target_t *target, image_t *image, uint32_t *written, int erase)
1008 int retval = ERROR_OK;
1011 uint32_t section_offset;
1023 /* assume all sectors need erasing - stops any problems
1024 * when flash_write is called multiple times */
1029 /* allocate padding array */
1030 padding = malloc(image->num_sections * sizeof(padding));
1032 /* loop until we reach end of the image */
1033 while (section < image->num_sections)
1035 uint32_t buffer_size;
1039 uint32_t run_address = image->sections[section].base_address + section_offset;
1040 uint32_t run_size = image->sections[section].size - section_offset;
1043 if (image->sections[section].size == 0)
1045 LOG_WARNING("empty section %d", section);
1051 /* find the corresponding flash bank */
1052 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1054 section++; /* and skip it */
1059 /* collect consecutive sections which fall into the same bank */
1060 section_first = section;
1061 section_last = section;
1062 padding[section] = 0;
1063 while ((run_address + run_size - 1 < c->base + c->size - 1)
1064 && (section_last + 1 < image->num_sections))
1066 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1068 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1071 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1072 * attempt to rebuild a consecutive buffer for the flash loader */
1073 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1074 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1076 padding[section_last] = pad_bytes;
1077 run_size += image->sections[++section_last].size;
1078 run_size += pad_bytes;
1079 padding[section_last] = 0;
1081 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes);
1084 /* fit the run into bank constraints */
1085 if (run_address + run_size - 1 > c->base + c->size - 1)
1087 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1088 (int)(c->base + c->size - run_address), (int)(run_size), (int)(c->size));
1089 run_size = c->base + c->size - run_address;
1092 /* allocate buffer */
1093 buffer = malloc(run_size);
1096 /* read sections to the buffer */
1097 while (buffer_size < run_size)
1101 size_read = run_size - buffer_size;
1102 if (size_read > image->sections[section].size - section_offset)
1103 size_read = image->sections[section].size - section_offset;
1105 if ((retval = image_read_section(image, section, section_offset,
1106 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1113 /* see if we need to pad the section */
1114 while (padding[section]--)
1115 (buffer + buffer_size)[size_read++] = 0xff;
1117 buffer_size += size_read;
1118 section_offset += size_read;
1120 if (section_offset >= image->sections[section].size)
1131 /* calculate and erase sectors */
1132 retval = flash_erase_address_range(target, run_address, run_size);
1135 if (retval == ERROR_OK)
1137 /* write flash sectors */
1138 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1143 if (retval != ERROR_OK)
1146 return retval; /* abort operation */
1149 if (written != NULL)
1150 *written += run_size; /* add run size to total written counter */
1158 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1160 target_t *target = bank->target;
1161 uint8_t buffer[1024];
1162 int buffer_size = sizeof(buffer);
1166 if (bank->target->state != TARGET_HALTED)
1168 LOG_ERROR("Target not halted");
1169 return ERROR_TARGET_NOT_HALTED;
1172 for (i = 0; i < bank->num_sectors; i++)
1175 bank->sectors[i].is_erased = 1;
1177 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1181 chunk = buffer_size;
1182 if (chunk > (j - bank->sectors[i].size))
1184 chunk = (j - bank->sectors[i].size);
1187 retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1188 if (retval != ERROR_OK)
1191 for (nBytes = 0; nBytes < chunk; nBytes++)
1193 if (buffer[nBytes] != 0xFF)
1195 bank->sectors[i].is_erased = 0;
1205 int default_flash_blank_check(struct flash_bank_s *bank)
1207 target_t *target = bank->target;
1213 if (bank->target->state != TARGET_HALTED)
1215 LOG_ERROR("Target not halted");
1216 return ERROR_TARGET_NOT_HALTED;
1219 for (i = 0; i < bank->num_sectors; i++)
1221 uint32_t address = bank->base + bank->sectors[i].offset;
1222 uint32_t size = bank->sectors[i].size;
1224 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1230 bank->sectors[i].is_erased = 1;
1232 bank->sectors[i].is_erased = 0;
1238 LOG_USER("Running slow fallback erase check - add working memory");
1239 return default_flash_mem_blank_check(bank);