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"
36 /* command handlers */
37 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
38 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
39 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
40 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
41 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
42 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
43 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
44 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
45 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
46 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
47 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 extern flash_driver_t lpc2000_flash;
52 extern flash_driver_t cfi_flash;
53 extern flash_driver_t at91sam7_flash;
54 extern flash_driver_t str7x_flash;
55 extern flash_driver_t str9x_flash;
56 extern flash_driver_t aduc702x_flash;
57 extern flash_driver_t stellaris_flash;
58 extern flash_driver_t str9xpec_flash;
59 extern flash_driver_t stm32x_flash;
60 extern flash_driver_t tms470_flash;
61 extern flash_driver_t ecosflash_flash;
62 extern flash_driver_t lpc288x_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[] = {
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, u8 *buffer, u32 offset, u32 count)
94 retval=bank->driver->write(bank, buffer, offset, count);
97 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval);
103 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
107 retval=bank->driver->erase(bank, first, last);
108 if (retval!=ERROR_OK)
110 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
116 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
120 retval=bank->driver->protect(bank, set, first, last);
121 if (retval!=ERROR_OK)
123 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
129 int flash_register_commands(struct command_context_s *cmd_ctx)
131 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
133 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 ...]");
137 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
142 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
146 Jim_Obj *list=Jim_NewListObj(interp, NULL, 0);
147 for (p = flash_banks; p; p = p->next)
149 Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0);
151 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
152 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
153 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
154 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
155 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
156 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
157 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
158 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
159 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
160 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
162 Jim_ListAppendElement(interp, list, elem);
165 Jim_SetResult(interp, list);
170 int flash_init_drivers(struct command_context_s *cmd_ctx)
172 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
176 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
177 "print info about flash bank <num>");
178 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
179 "identify flash bank <num>");
180 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
181 "check erase state of sectors in flash bank <num>");
182 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
183 "check protection state of sectors in flash bank <num>");
184 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
185 "erase sectors at <bank> <first> <last>");
186 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
187 "erase address range <address> <length>");
189 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
190 "fill with pattern (no autoerase) <address> <word_pattern> <count>");
191 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
192 "fill with pattern <address> <halfword_pattern> <count>");
193 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
194 "fill with pattern <address> <byte_pattern> <count>");
196 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
197 "write binary data to <bank> <file> <offset>");
198 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
199 "write_image [erase] <file> [offset] [type]");
200 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
201 "set protection of sectors at <bank> <first> <last> <on|off>");
207 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
212 for (p = flash_banks; p; p = p->next)
219 LOG_ERROR("flash bank %d does not exist", num);
223 int flash_get_bank_count(void)
227 for (p = flash_banks; p; p = p->next)
234 flash_bank_t *get_flash_bank_by_num(int num)
236 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
242 retval = p->driver->auto_probe(p);
244 if (retval != ERROR_OK)
246 LOG_ERROR("auto_probe failed %d\n", retval);
252 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
261 return ERROR_COMMAND_SYNTAX_ERROR;
264 if ((target = get_target(args[5])) == NULL)
266 LOG_ERROR("target '%s' not defined", args[5]);
270 for (i = 0; flash_drivers[i]; i++)
272 if (strcmp(args[0], flash_drivers[i]->name) == 0)
276 /* register flash specific commands */
277 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
279 LOG_ERROR("couldn't register '%s' commands", args[0]);
283 c = malloc(sizeof(flash_bank_t));
285 c->driver = flash_drivers[i];
286 c->driver_priv = NULL;
287 c->base = strtoul(args[1], NULL, 0);
288 c->size = strtoul(args[2], NULL, 0);
289 c->chip_width = strtoul(args[3], NULL, 0);
290 c->bus_width = strtoul(args[4], NULL, 0);
295 if ((retval=flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
297 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
302 /* put flash bank in linked list */
306 /* find last flash bank */
307 for (p = flash_banks; p && p->next; p = p->next) bank_num++;
310 c->bank_number = bank_num + 1;
322 /* no matching flash driver found */
325 LOG_ERROR("flash driver '%s' not found", args[0]);
332 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
341 return ERROR_COMMAND_SYNTAX_ERROR;
344 for (p = flash_banks; p; p = p->next, i++)
346 if (i == strtoul(args[0], NULL, 0))
350 /* attempt auto probe */
351 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
354 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
355 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
356 for (j = 0; j < p->num_sectors; j++)
360 if (p->sectors[j].is_protected == 0)
361 protect_state = "not protected";
362 else if (p->sectors[j].is_protected == 1)
363 protect_state = "protected";
365 protect_state = "protection state unknown";
367 command_print(cmd_ctx, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
368 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
372 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
373 retval = p->driver->info(p, buf, sizeof(buf));
374 command_print(cmd_ctx, "%s", buf);
375 if (retval != ERROR_OK)
376 LOG_ERROR("error retrieving flash info (%d)", retval);
383 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
390 return ERROR_COMMAND_SYNTAX_ERROR;
393 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
396 if ((retval = p->driver->probe(p)) == ERROR_OK)
398 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
400 else if (retval == ERROR_FLASH_BANK_INVALID)
402 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
407 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
413 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
419 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
426 return ERROR_COMMAND_SYNTAX_ERROR;
429 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
433 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
435 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
439 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
443 for (j = 0; j < p->num_sectors; j++)
447 if (p->sectors[j].is_erased == 0)
448 erase_state = "not erased";
449 else if (p->sectors[j].is_erased == 1)
450 erase_state = "erased";
452 erase_state = "erase state unknown";
454 command_print(cmd_ctx, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
455 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
463 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
472 target_t *target = get_current_target(cmd_ctx);
476 return ERROR_COMMAND_SYNTAX_ERROR;
479 address = strtoul(args[0], NULL, 0);
480 length = strtoul(args[1], NULL, 0);
483 command_print(cmd_ctx, "Length must be >0");
484 return ERROR_COMMAND_SYNTAX_ERROR;
487 p = get_flash_bank_by_addr(target, address);
493 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
496 duration_start_measure(&duration);
498 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
500 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
504 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
511 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
518 return ERROR_COMMAND_SYNTAX_ERROR;
521 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
524 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
526 command_print(cmd_ctx, "successfully checked protect state");
528 else if (retval == ERROR_FLASH_OPERATION_FAILED)
530 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
534 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
539 return ERROR_COMMAND_SYNTAX_ERROR;
545 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
549 int first = strtoul(args[1], NULL, 0);
550 int last = strtoul(args[2], NULL, 0);
552 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
556 duration_start_measure(&duration);
560 return ERROR_COMMAND_SYNTAX_ERROR;
563 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
565 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
570 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
576 return ERROR_COMMAND_SYNTAX_ERROR;
582 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
586 int first = strtoul(args[1], NULL, 0);
587 int last = strtoul(args[2], NULL, 0);
590 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
593 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
597 if (strcmp(args[3], "on") == 0)
599 else if (strcmp(args[3], "off") == 0)
603 return ERROR_COMMAND_SYNTAX_ERROR;
606 retval = flash_driver_protect(p, set, first, last);
607 if (retval == ERROR_OK)
609 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));
614 return ERROR_COMMAND_SYNTAX_ERROR;
621 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
623 target_t *target = get_current_target(cmd_ctx);
631 int retval, retvaltemp;
635 return ERROR_COMMAND_SYNTAX_ERROR;
638 /* flash auto-erase is disabled by default*/
641 if (strcmp(args[0], "erase")==0)
646 command_print(cmd_ctx, "auto erase enabled");
651 return ERROR_COMMAND_SYNTAX_ERROR;
656 LOG_ERROR("no target selected");
660 duration_start_measure(&duration);
664 image.base_address_set = 1;
665 image.base_address = strtoul(args[1], NULL, 0);
669 image.base_address_set = 0;
670 image.base_address = 0x0;
673 image.start_address_set = 0;
675 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
676 if (retval != ERROR_OK)
681 retval = flash_write(target, &image, &written, auto_erase);
682 if (retval != ERROR_OK)
688 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
693 if (retval == ERROR_OK)
695 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
696 written, args[0], duration_text,
697 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
706 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
708 int err = ERROR_OK, retval;
719 target_t *target = get_current_target(cmd_ctx);
725 return ERROR_COMMAND_SYNTAX_ERROR;
728 address = strtoul(args[0], NULL, 0);
729 pattern = strtoul(args[1], NULL, 0);
730 count = strtoul(args[2], NULL, 0);
747 return ERROR_COMMAND_SYNTAX_ERROR;
750 chunk_count = MIN(count, (1024 / wordsize));
754 for(i = 0; i < chunk_count; i++)
756 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
760 for(i = 0; i < chunk_count; i++)
762 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
766 memset(chunk, pattern, chunk_count);
769 LOG_ERROR("BUG: can't happen");
773 duration_start_measure(&duration);
775 for (wrote=0; wrote<(count*wordsize); wrote += cur_size)
777 cur_size = MIN( (count*wordsize - wrote), sizeof(chunk) );
779 bank = get_flash_bank_by_addr(target, address);
784 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
788 err = target_read_buffer(target, address + wrote, cur_size, readback);
793 for (i=0; i<cur_size; i++)
795 if (readback[i]!=chunk[i])
797 LOG_ERROR("Verfication error address 0x%08x, read back 0x%02x, expected 0x%02x", address + wrote + i, readback[i], chunk[i]);
804 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
812 speed=wrote / 1024.0;
813 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
814 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
815 count*wordsize, address, duration_text,
822 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
833 int retval, retvaltemp;
838 return ERROR_COMMAND_SYNTAX_ERROR;
841 duration_start_measure(&duration);
843 offset = strtoul(args[2], NULL, 0);
844 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
847 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
851 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
856 buffer = malloc(fileio.size);
857 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
860 fileio_close(&fileio);
864 retval = flash_driver_write(p, buffer, offset, buf_cnt);
869 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
871 fileio_close(&fileio);
874 if (retval==ERROR_OK)
876 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
877 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
878 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
882 fileio_close(&fileio);
887 void flash_set_dirty(void)
892 /* set all flash to require erasing */
893 for (c = flash_banks; c; c = c->next)
895 for (i = 0; i < c->num_sectors; i++)
897 c->sectors[i].is_erased = 0;
902 /* lookup flash bank by address */
903 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
907 /* cycle through bank list */
908 for (c = flash_banks; c; c = c->next)
911 retval = c->driver->auto_probe(c);
913 if (retval != ERROR_OK)
915 LOG_ERROR("auto_probe failed %d\n", retval);
918 /* check whether address belongs to this flash bank */
919 if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
922 LOG_ERROR("No flash at address 0x%08x\n", addr);
926 /* erase given flash region, selects proper bank according to target and address */
927 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
934 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
935 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
937 if (c->size == 0 || c->num_sectors == 0)
939 LOG_ERROR("Bank is invalid");
940 return ERROR_FLASH_BANK_INVALID;
945 /* special case, erase whole bank when length is zero */
947 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
949 return flash_driver_erase(c, 0, c->num_sectors - 1);
952 /* check whether it fits */
953 if (addr + length - 1 > c->base + c->size - 1)
954 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
958 for (i = 0; i < c->num_sectors; i++)
960 /* check whether sector overlaps with the given range and is not yet erased */
961 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
962 /* if first is not set yet then this is the first sector */
965 last = i; /* and it is the last one so far in any case */
969 if( first == -1 || last == -1 )
972 return flash_driver_erase(c, first, last);
975 /* write (optional verify) an image to flash memory of the given target */
976 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
993 /* assume all sectors need erasing - stops any problems
994 * when flash_write is called multiple times */
999 /* allocate padding array */
1000 padding = malloc(image->num_sections * sizeof(padding));
1002 /* loop until we reach end of the image */
1003 while (section < image->num_sections)
1009 u32 run_address = image->sections[section].base_address + section_offset;
1010 u32 run_size = image->sections[section].size - section_offset;
1013 if (image->sections[section].size == 0)
1015 LOG_WARNING("empty section %d", section);
1021 /* find the corresponding flash bank */
1022 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1024 section++; /* and skip it */
1029 /* collect consecutive sections which fall into the same bank */
1030 section_first = section;
1031 section_last = section;
1032 padding[section] = 0;
1033 while ((run_address + run_size - 1 < c->base + c->size - 1)
1034 && (section_last + 1 < image->num_sections))
1036 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1038 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1041 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1042 * attempt to rebuild a consecutive buffer for the flash loader */
1043 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1044 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1046 padding[section_last] = pad_bytes;
1047 run_size += image->sections[++section_last].size;
1048 run_size += pad_bytes;
1049 padding[section_last] = 0;
1051 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes );
1054 /* fit the run into bank constraints */
1055 if (run_address + run_size - 1 > c->base + c->size - 1)
1057 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1058 c->base + c->size - run_address, run_size, c->size);
1059 run_size = c->base + c->size - run_address;
1062 /* allocate buffer */
1063 buffer = malloc(run_size);
1066 /* read sections to the buffer */
1067 while (buffer_size < run_size)
1071 size_read = run_size - buffer_size;
1072 if (size_read > image->sections[section].size - section_offset)
1073 size_read = image->sections[section].size - section_offset;
1075 if ((retval = image_read_section(image, section, section_offset,
1076 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1083 /* see if we need to pad the section */
1084 while (padding[section]--)
1085 (buffer+buffer_size)[size_read++] = 0xff;
1087 buffer_size += size_read;
1088 section_offset += size_read;
1090 if (section_offset >= image->sections[section].size)
1101 /* calculate and erase sectors */
1102 retval = flash_erase_address_range( target, run_address, run_size );
1105 if (retval == ERROR_OK)
1107 /* write flash sectors */
1108 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1113 if (retval != ERROR_OK)
1116 return retval; /* abort operation */
1119 if (written != NULL)
1120 *written += run_size; /* add run size to total written counter */
1128 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1130 target_t *target = bank->target;
1132 int buffer_size = sizeof(buffer);
1136 if (bank->target->state != TARGET_HALTED)
1138 LOG_ERROR("Target not halted");
1139 return ERROR_TARGET_NOT_HALTED;
1142 for (i = 0; i < bank->num_sectors; i++)
1145 bank->sectors[i].is_erased = 1;
1147 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1151 chunk = buffer_size;
1152 if (chunk > (j - bank->sectors[i].size))
1154 chunk = (j - bank->sectors[i].size);
1157 retval = target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1158 if (retval != ERROR_OK)
1161 for (nBytes = 0; nBytes < chunk; nBytes++)
1163 if (buffer[nBytes] != 0xFF)
1165 bank->sectors[i].is_erased = 0;
1175 int default_flash_blank_check(struct flash_bank_s *bank)
1177 target_t *target = bank->target;
1183 if (bank->target->state != TARGET_HALTED)
1185 LOG_ERROR("Target not halted");
1186 return ERROR_TARGET_NOT_HALTED;
1189 for (i = 0; i < bank->num_sectors; i++)
1191 u32 address = bank->base + bank->sectors[i].offset;
1192 u32 size = bank->sectors[i].size;
1194 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1200 bank->sectors[i].is_erased = 1;
1202 bank->sectors[i].is_erased = 0;
1208 LOG_USER("Running slow fallback erase check - add working memory");
1209 return default_flash_mem_blank_check(bank);