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 cfi_flash;
51 extern flash_driver_t at91sam3_flash;
52 extern flash_driver_t at91sam7_flash;
53 extern flash_driver_t str7x_flash;
54 extern flash_driver_t str9x_flash;
55 extern flash_driver_t aduc702x_flash;
56 extern flash_driver_t stellaris_flash;
57 extern flash_driver_t str9xpec_flash;
58 extern flash_driver_t stm32x_flash;
59 extern flash_driver_t tms470_flash;
60 extern flash_driver_t ecosflash_flash;
61 extern flash_driver_t lpc288x_flash;
62 extern flash_driver_t ocl_flash;
63 extern flash_driver_t pic32mx_flash;
64 extern flash_driver_t avr_flash;
66 flash_driver_t *flash_drivers[] = {
86 flash_bank_t *flash_banks;
87 static command_t *flash_cmd;
89 /* wafer thin wrapper for invoking the flash driver */
90 static int flash_driver_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
94 retval = bank->driver->write(bank, buffer, offset, count);
95 if (retval != ERROR_OK)
97 LOG_ERROR("error writing to flash at address 0x%08" PRIx32 " at offset 0x%8.8" PRIx32 " (%d)",
98 bank->base, offset, retval);
104 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
108 retval = bank->driver->erase(bank, first, last);
109 if (retval != ERROR_OK)
111 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
117 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
121 retval = bank->driver->protect(bank, set, first, last);
122 if (retval != ERROR_OK)
124 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
130 int flash_register_commands(struct command_context_s *cmd_ctx)
132 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
134 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 ...]");
138 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
143 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
147 Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
148 for (p = flash_banks; p; p = p->next)
150 Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
152 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
153 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
154 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
155 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
156 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
157 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
158 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
159 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
160 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
161 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
163 Jim_ListAppendElement(interp, list, elem);
166 Jim_SetResult(interp, list);
171 int flash_init_drivers(struct command_context_s *cmd_ctx)
173 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
177 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
178 "print info about flash bank <num>");
179 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
180 "identify flash bank <num>");
181 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
182 "check erase state of sectors in flash bank <num>");
183 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
184 "check protection state of sectors in flash bank <num>");
185 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
186 "erase sectors at <bank> <first> <last>");
187 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
188 "erase address range <address> <length>");
190 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
191 "fill with pattern (no autoerase) <address> <word_pattern> <count>");
192 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
193 "fill with pattern <address> <halfword_pattern> <count>");
194 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
195 "fill with pattern <address> <byte_pattern> <count>");
197 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
198 "write binary data to <bank> <file> <offset>");
199 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
200 "write_image [erase] <file> [offset] [type]");
201 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
202 "set protection of sectors at <bank> <first> <last> <on | off>");
208 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
213 for (p = flash_banks; p; p = p->next)
220 LOG_ERROR("flash bank %d does not exist", num);
224 int flash_get_bank_count(void)
228 for (p = flash_banks; p; p = p->next)
235 flash_bank_t *get_flash_bank_by_num(int num)
237 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
243 retval = p->driver->auto_probe(p);
245 if (retval != ERROR_OK)
247 LOG_ERROR("auto_probe failed %d\n", retval);
253 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
262 return ERROR_COMMAND_SYNTAX_ERROR;
265 if ((target = get_target(args[5])) == NULL)
267 LOG_ERROR("target '%s' not defined", args[5]);
271 for (i = 0; flash_drivers[i]; i++)
273 if (strcmp(args[0], flash_drivers[i]->name) == 0)
277 /* register flash specific commands */
278 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
280 LOG_ERROR("couldn't register '%s' commands", args[0]);
284 c = malloc(sizeof(flash_bank_t));
286 c->driver = flash_drivers[i];
287 c->driver_priv = NULL;
288 c->base = strtoul(args[1], NULL, 0);
289 c->size = strtoul(args[2], NULL, 0);
290 c->chip_width = strtoul(args[3], NULL, 0);
291 c->bus_width = strtoul(args[4], NULL, 0);
296 if ((retval = flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
298 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32 , args[0], c->base);
303 /* put flash bank in linked list */
307 /* find last flash bank */
308 for (p = flash_banks; p && p->next; p = p->next) bank_num++;
311 c->bank_number = bank_num + 1;
323 /* no matching flash driver found */
326 LOG_ERROR("flash driver '%s' not found", args[0]);
333 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
342 return ERROR_COMMAND_SYNTAX_ERROR;
345 for (p = flash_banks; p; p = p->next, i++)
347 if (i == strtoul(args[0], NULL, 0))
351 /* attempt auto probe */
352 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
355 command_print(cmd_ctx,
356 "#%" PRIi32 " : %s at 0x%8.8" PRIx32 ", size 0x%8.8" PRIx32 ", buswidth %i, chipwidth %i",
363 for (j = 0; j < p->num_sectors; j++)
367 if (p->sectors[j].is_protected == 0)
368 protect_state = "not protected";
369 else if (p->sectors[j].is_protected == 1)
370 protect_state = "protected";
372 protect_state = "protection state unknown";
374 command_print(cmd_ctx,
375 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
377 p->sectors[j].offset,
379 p->sectors[j].size >> 10,
383 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
384 retval = p->driver->info(p, buf, sizeof(buf));
385 command_print(cmd_ctx, "%s", buf);
386 if (retval != ERROR_OK)
387 LOG_ERROR("error retrieving flash info (%d)", retval);
394 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
401 return ERROR_COMMAND_SYNTAX_ERROR;
404 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
407 if ((retval = p->driver->probe(p)) == ERROR_OK)
409 command_print(cmd_ctx, "flash '%s' found at 0x%8.8" PRIx32, p->driver->name, p->base);
411 else if (retval == ERROR_FLASH_BANK_INVALID)
413 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8" PRIx32,
418 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8" PRIx32,
424 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
430 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
437 return ERROR_COMMAND_SYNTAX_ERROR;
440 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
444 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
446 command_print(cmd_ctx, "successfully checked erase state");
450 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8" PRIx32,
454 for (j = 0; j < p->num_sectors; j++)
458 if (p->sectors[j].is_erased == 0)
459 erase_state = "not erased";
460 else if (p->sectors[j].is_erased == 1)
461 erase_state = "erased";
463 erase_state = "erase state unknown";
465 command_print(cmd_ctx,
466 "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s",
468 p->sectors[j].offset,
470 p->sectors[j].size >> 10,
478 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
487 target_t *target = get_current_target(cmd_ctx);
491 return ERROR_COMMAND_SYNTAX_ERROR;
494 address = strtoul(args[0], NULL, 0);
495 length = strtoul(args[1], NULL, 0);
498 command_print(cmd_ctx, "Length must be >0");
499 return ERROR_COMMAND_SYNTAX_ERROR;
502 p = get_flash_bank_by_addr(target, address);
508 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
511 duration_start_measure(&duration);
513 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
515 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
519 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
526 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
533 return ERROR_COMMAND_SYNTAX_ERROR;
536 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
539 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
541 command_print(cmd_ctx, "successfully checked protect state");
543 else if (retval == ERROR_FLASH_OPERATION_FAILED)
545 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8" PRIx32, args[0], p->base);
549 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8" PRIx32, args[0], p->base);
554 return ERROR_COMMAND_SYNTAX_ERROR;
560 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
564 int first = strtoul(args[1], NULL, 0);
565 int last = strtoul(args[2], NULL, 0);
567 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
571 duration_start_measure(&duration);
575 return ERROR_COMMAND_SYNTAX_ERROR;
578 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
580 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
585 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %li in %s",
586 first, last, strtoul(args[0], 0, 0), duration_text);
592 return ERROR_COMMAND_SYNTAX_ERROR;
598 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
602 int first = strtoul(args[1], NULL, 0);
603 int last = strtoul(args[2], NULL, 0);
606 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
609 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
613 if (strcmp(args[3], "on") == 0)
615 else if (strcmp(args[3], "off") == 0)
619 return ERROR_COMMAND_SYNTAX_ERROR;
622 retval = flash_driver_protect(p, set, first, last);
623 if (retval == ERROR_OK)
625 command_print(cmd_ctx, "%s protection for sectors %i through %i on flash bank %li",
626 (set) ? "set" : "cleared", first,
627 last, strtoul(args[0], 0, 0));
632 return ERROR_COMMAND_SYNTAX_ERROR;
639 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
641 target_t *target = get_current_target(cmd_ctx);
649 int retval, retvaltemp;
653 return ERROR_COMMAND_SYNTAX_ERROR;
656 /* flash auto-erase is disabled by default*/
659 if (strcmp(args[0], "erase") == 0)
664 command_print(cmd_ctx, "auto erase enabled");
669 return ERROR_COMMAND_SYNTAX_ERROR;
674 LOG_ERROR("no target selected");
678 duration_start_measure(&duration);
682 image.base_address_set = 1;
683 image.base_address = strtoul(args[1], NULL, 0);
687 image.base_address_set = 0;
688 image.base_address = 0x0;
691 image.start_address_set = 0;
693 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
694 if (retval != ERROR_OK)
699 retval = flash_write(target, &image, &written, auto_erase);
700 if (retval != ERROR_OK)
706 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
714 speed = written / 1024.0;
715 speed /= ((float)duration.duration.tv_sec
716 + ((float)duration.duration.tv_usec / 1000000.0));
717 command_print(cmd_ctx,
718 "wrote %" PRIu32 " byte from file %s in %s (%f kb/s)",
719 written, args[0], duration_text, speed);
728 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
730 int err = ERROR_OK, retval;
735 uint8_t readback[1024];
737 uint32_t cur_size = 0;
738 uint32_t chunk_count;
741 target_t *target = get_current_target(cmd_ctx);
747 return ERROR_COMMAND_SYNTAX_ERROR;
750 address = strtoul(args[0], NULL, 0);
751 pattern = strtoul(args[1], NULL, 0);
752 count = strtoul(args[2], NULL, 0);
769 return ERROR_COMMAND_SYNTAX_ERROR;
772 chunk_count = MIN(count, (1024 / wordsize));
776 for (i = 0; i < chunk_count; i++)
778 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
782 for (i = 0; i < chunk_count; i++)
784 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
788 memset(chunk, pattern, chunk_count);
791 LOG_ERROR("BUG: can't happen");
795 duration_start_measure(&duration);
797 for (wrote = 0; wrote < (count*wordsize); wrote += cur_size)
799 cur_size = MIN((count*wordsize - wrote), sizeof(chunk));
801 bank = get_flash_bank_by_addr(target, address);
806 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
810 err = target_read_buffer(target, address + wrote, cur_size, readback);
815 for (i = 0; i < cur_size; i++)
817 if (readback[i]!=chunk[i])
819 LOG_ERROR("Verfication error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
820 address + wrote + i, readback[i], chunk[i]);
827 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
834 speed = wrote / 1024.0;
835 speed /= ((float)duration.duration.tv_sec
836 + ((float)duration.duration.tv_usec / 1000000.0));
837 command_print(cmd_ctx,
838 "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32 " in %s (%f kb/s)",
839 wrote, address, duration_text, speed);
845 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
856 int retval, retvaltemp;
861 return ERROR_COMMAND_SYNTAX_ERROR;
864 duration_start_measure(&duration);
866 offset = strtoul(args[2], NULL, 0);
867 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
870 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
874 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
879 buffer = malloc(fileio.size);
880 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
883 fileio_close(&fileio);
887 retval = flash_driver_write(p, buffer, offset, buf_cnt);
892 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
894 fileio_close(&fileio);
897 if (retval == ERROR_OK)
899 command_print(cmd_ctx,
900 "wrote %lld byte from file %s to flash bank %li at offset 0x%8.8" PRIx32 " in %s (%f kb/s)",
903 strtoul(args[0], NULL, 0),
906 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
910 fileio_close(&fileio);
915 void flash_set_dirty(void)
920 /* set all flash to require erasing */
921 for (c = flash_banks; c; c = c->next)
923 for (i = 0; i < c->num_sectors; i++)
925 c->sectors[i].is_erased = 0;
930 /* lookup flash bank by address */
931 flash_bank_t *get_flash_bank_by_addr(target_t *target, uint32_t addr)
935 /* cycle through bank list */
936 for (c = flash_banks; c; c = c->next)
939 retval = c->driver->auto_probe(c);
941 if (retval != ERROR_OK)
943 LOG_ERROR("auto_probe failed %d\n", retval);
946 /* check whether address belongs to this flash bank */
947 if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
950 LOG_ERROR("No flash at address 0x%08" PRIx32 "\n", addr);
954 /* erase given flash region, selects proper bank according to target and address */
955 int flash_erase_address_range(target_t *target, uint32_t addr, uint32_t length)
962 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
963 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
965 if (c->size == 0 || c->num_sectors == 0)
967 LOG_ERROR("Bank is invalid");
968 return ERROR_FLASH_BANK_INVALID;
973 /* special case, erase whole bank when length is zero */
975 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
977 return flash_driver_erase(c, 0, c->num_sectors - 1);
980 /* check whether it fits */
981 if (addr + length - 1 > c->base + c->size - 1)
982 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
986 for (i = 0; i < c->num_sectors; i++)
988 /* check whether sector overlaps with the given range and is not yet erased */
989 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
990 /* if first is not set yet then this is the first sector */
993 last = i; /* and it is the last one so far in any case */
997 if (first == -1 || last == -1)
1000 return flash_driver_erase(c, first, last);
1003 /* write (optional verify) an image to flash memory of the given target */
1004 int flash_write(target_t *target, image_t *image, uint32_t *written, int erase)
1006 int retval = ERROR_OK;
1009 uint32_t section_offset;
1021 /* assume all sectors need erasing - stops any problems
1022 * when flash_write is called multiple times */
1027 /* allocate padding array */
1028 padding = malloc(image->num_sections * sizeof(padding));
1030 /* loop until we reach end of the image */
1031 while (section < image->num_sections)
1033 uint32_t buffer_size;
1037 uint32_t run_address = image->sections[section].base_address + section_offset;
1038 uint32_t run_size = image->sections[section].size - section_offset;
1041 if (image->sections[section].size == 0)
1043 LOG_WARNING("empty section %d", section);
1049 /* find the corresponding flash bank */
1050 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1052 section++; /* and skip it */
1057 /* collect consecutive sections which fall into the same bank */
1058 section_first = section;
1059 section_last = section;
1060 padding[section] = 0;
1061 while ((run_address + run_size - 1 < c->base + c->size - 1)
1062 && (section_last + 1 < image->num_sections))
1064 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1066 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1069 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1070 * attempt to rebuild a consecutive buffer for the flash loader */
1071 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1072 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1074 padding[section_last] = pad_bytes;
1075 run_size += image->sections[++section_last].size;
1076 run_size += pad_bytes;
1077 padding[section_last] = 0;
1079 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes);
1082 /* fit the run into bank constraints */
1083 if (run_address + run_size - 1 > c->base + c->size - 1)
1085 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1086 (int)(c->base + c->size - run_address), (int)(run_size), (int)(c->size));
1087 run_size = c->base + c->size - run_address;
1090 /* allocate buffer */
1091 buffer = malloc(run_size);
1094 /* read sections to the buffer */
1095 while (buffer_size < run_size)
1099 size_read = run_size - buffer_size;
1100 if (size_read > image->sections[section].size - section_offset)
1101 size_read = image->sections[section].size - section_offset;
1103 if ((retval = image_read_section(image, section, section_offset,
1104 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1111 /* see if we need to pad the section */
1112 while (padding[section]--)
1113 (buffer + buffer_size)[size_read++] = 0xff;
1115 buffer_size += size_read;
1116 section_offset += size_read;
1118 if (section_offset >= image->sections[section].size)
1129 /* calculate and erase sectors */
1130 retval = flash_erase_address_range(target, run_address, run_size);
1133 if (retval == ERROR_OK)
1135 /* write flash sectors */
1136 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1141 if (retval != ERROR_OK)
1144 return retval; /* abort operation */
1147 if (written != NULL)
1148 *written += run_size; /* add run size to total written counter */
1156 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1158 target_t *target = bank->target;
1159 uint8_t buffer[1024];
1160 int buffer_size = sizeof(buffer);
1164 if (bank->target->state != TARGET_HALTED)
1166 LOG_ERROR("Target not halted");
1167 return ERROR_TARGET_NOT_HALTED;
1170 for (i = 0; i < bank->num_sectors; i++)
1173 bank->sectors[i].is_erased = 1;
1175 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1179 chunk = buffer_size;
1180 if (chunk > (j - bank->sectors[i].size))
1182 chunk = (j - bank->sectors[i].size);
1185 retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1186 if (retval != ERROR_OK)
1189 for (nBytes = 0; nBytes < chunk; nBytes++)
1191 if (buffer[nBytes] != 0xFF)
1193 bank->sectors[i].is_erased = 0;
1203 int default_flash_blank_check(struct flash_bank_s *bank)
1205 target_t *target = bank->target;
1211 if (bank->target->state != TARGET_HALTED)
1213 LOG_ERROR("Target not halted");
1214 return ERROR_TARGET_NOT_HALTED;
1217 for (i = 0; i < bank->num_sectors; i++)
1219 uint32_t address = bank->base + bank->sectors[i].offset;
1220 uint32_t size = bank->sectors[i].size;
1222 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1228 bank->sectors[i].is_erased = 1;
1230 bank->sectors[i].is_erased = 0;
1236 LOG_USER("Running slow fallback erase check - add working memory");
1237 return default_flash_mem_blank_check(bank);