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 ***************************************************************************/
33 #include "time_support.h"
38 #include "algorithm.h"
39 #include "binarybuffer.h"
49 /* command handlers */
50 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
64 extern flash_driver_t lpc2000_flash;
65 extern flash_driver_t cfi_flash;
66 extern flash_driver_t at91sam7_flash;
67 extern flash_driver_t str7x_flash;
68 extern flash_driver_t str9x_flash;
69 extern flash_driver_t aduc702x_flash;
70 extern flash_driver_t stellaris_flash;
71 extern flash_driver_t str9xpec_flash;
72 extern flash_driver_t stm32x_flash;
73 extern flash_driver_t tms470_flash;
74 extern flash_driver_t ecosflash_flash;
75 extern flash_driver_t lpc288x_flash;
76 extern flash_driver_t ocl_flash;
77 extern flash_driver_t pic32mx_flash;
78 extern flash_driver_t avr_flash;
80 flash_driver_t *flash_drivers[] = {
99 flash_bank_t *flash_banks;
100 static command_t *flash_cmd;
102 /* wafer thin wrapper for invoking the flash driver */
103 static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
107 retval=bank->driver->write(bank, buffer, offset, count);
108 if (retval!=ERROR_OK)
110 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval);
116 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
120 retval=bank->driver->erase(bank, first, last);
121 if (retval!=ERROR_OK)
123 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
129 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
133 retval=bank->driver->protect(bank, set, first, last);
134 if (retval!=ERROR_OK)
136 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
142 int flash_register_commands(struct command_context_s *cmd_ctx)
144 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
146 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 ...]");
150 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
155 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
159 Jim_Obj *list=Jim_NewListObj(interp, NULL, 0);
160 for (p = flash_banks; p; p = p->next)
162 Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0);
164 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
165 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
166 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
167 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
168 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
169 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
170 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
171 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
172 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
173 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
175 Jim_ListAppendElement(interp, list, elem);
178 Jim_SetResult(interp, list);
183 int flash_init_drivers(struct command_context_s *cmd_ctx)
185 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
189 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
190 "print info about flash bank <num>");
191 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
192 "identify flash bank <num>");
193 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
194 "check erase state of sectors in flash bank <num>");
195 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
196 "check protection state of sectors in flash bank <num>");
197 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
198 "erase sectors at <bank> <first> <last>");
199 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
200 "erase address range <address> <length>");
202 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
203 "fill with pattern (no autoerase) <address> <word_pattern> <count>");
204 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
205 "fill with pattern <address> <halfword_pattern> <count>");
206 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
207 "fill with pattern <address> <byte_pattern> <count>");
209 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
210 "write binary data to <bank> <file> <offset>");
211 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
212 "write_image [erase] <file> [offset] [type]");
213 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
214 "set protection of sectors at <bank> <first> <last> <on|off>");
220 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
225 for (p = flash_banks; p; p = p->next)
232 LOG_ERROR("flash bank %d does not exist", num);
236 int flash_get_bank_count(void)
240 for (p = flash_banks; p; p = p->next)
247 flash_bank_t *get_flash_bank_by_num(int num)
249 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
255 retval = p->driver->auto_probe(p);
257 if (retval != ERROR_OK)
259 LOG_ERROR("auto_probe failed %d\n", retval);
265 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
274 return ERROR_COMMAND_SYNTAX_ERROR;
277 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
279 LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
283 for (i = 0; flash_drivers[i]; i++)
285 if (strcmp(args[0], flash_drivers[i]->name) == 0)
289 /* register flash specific commands */
290 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
292 LOG_ERROR("couldn't register '%s' commands", args[0]);
296 c = malloc(sizeof(flash_bank_t));
298 c->driver = flash_drivers[i];
299 c->driver_priv = NULL;
300 c->base = strtoul(args[1], NULL, 0);
301 c->size = strtoul(args[2], NULL, 0);
302 c->chip_width = strtoul(args[3], NULL, 0);
303 c->bus_width = strtoul(args[4], NULL, 0);
308 if ((retval=flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
310 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
315 /* put flash bank in linked list */
319 /* find last flash bank */
320 for (p = flash_banks; p && p->next; p = p->next) bank_num++;
323 c->bank_number = bank_num + 1;
335 /* no matching flash driver found */
338 LOG_ERROR("flash driver '%s' not found", args[0]);
345 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
354 return ERROR_COMMAND_SYNTAX_ERROR;
357 for (p = flash_banks; p; p = p->next, i++)
359 if (i == strtoul(args[0], NULL, 0))
363 /* attempt auto probe */
364 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
367 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
368 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
369 for (j = 0; j < p->num_sectors; j++)
373 if (p->sectors[j].is_protected == 0)
374 protect_state = "not protected";
375 else if (p->sectors[j].is_protected == 1)
376 protect_state = "protected";
378 protect_state = "protection state unknown";
380 command_print(cmd_ctx, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
381 j, p->sectors[j].offset, p->sectors[j].size, 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%8.8x", 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%8.8x",
420 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
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", p->driver->name, p->base);
452 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
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, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
468 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
476 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
485 target_t *target = get_current_target(cmd_ctx);
489 return ERROR_COMMAND_SYNTAX_ERROR;
492 address = strtoul(args[0], NULL, 0);
493 length = strtoul(args[1], NULL, 0);
496 command_print(cmd_ctx, "Length must be >0");
497 return ERROR_COMMAND_SYNTAX_ERROR;
500 p = get_flash_bank_by_addr(target, address);
506 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
509 duration_start_measure(&duration);
511 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
513 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
517 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
524 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
531 return ERROR_COMMAND_SYNTAX_ERROR;
534 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
537 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
539 command_print(cmd_ctx, "successfully checked protect state");
541 else if (retval == ERROR_FLASH_OPERATION_FAILED)
543 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
547 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
552 return ERROR_COMMAND_SYNTAX_ERROR;
558 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
562 int first = strtoul(args[1], NULL, 0);
563 int last = strtoul(args[2], NULL, 0);
565 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
569 duration_start_measure(&duration);
573 return ERROR_COMMAND_SYNTAX_ERROR;
576 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
578 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
583 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
589 return ERROR_COMMAND_SYNTAX_ERROR;
595 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
599 int first = strtoul(args[1], NULL, 0);
600 int last = strtoul(args[2], NULL, 0);
603 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
606 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
610 if (strcmp(args[3], "on") == 0)
612 else if (strcmp(args[3], "off") == 0)
616 return ERROR_COMMAND_SYNTAX_ERROR;
619 retval = flash_driver_protect(p, set, first, last);
620 if (retval == ERROR_OK)
622 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));
627 return ERROR_COMMAND_SYNTAX_ERROR;
634 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
636 target_t *target = get_current_target(cmd_ctx);
644 int retval, retvaltemp;
648 return ERROR_COMMAND_SYNTAX_ERROR;
651 /* flash auto-erase is disabled by default*/
654 if (strcmp(args[0], "erase")==0)
659 command_print(cmd_ctx, "auto erase enabled");
664 return ERROR_COMMAND_SYNTAX_ERROR;
669 LOG_ERROR("no target selected");
673 duration_start_measure(&duration);
677 image.base_address_set = 1;
678 image.base_address = strtoul(args[1], NULL, 0);
682 image.base_address_set = 0;
683 image.base_address = 0x0;
686 image.start_address_set = 0;
688 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
689 if (retval != ERROR_OK)
694 retval = flash_write(target, &image, &written, auto_erase);
695 if (retval != ERROR_OK)
701 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
706 if (retval == ERROR_OK)
708 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
709 written, args[0], duration_text,
710 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
719 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
721 int err = ERROR_OK, retval;
732 target_t *target = get_current_target(cmd_ctx);
738 return ERROR_COMMAND_SYNTAX_ERROR;
741 address = strtoul(args[0], NULL, 0);
742 pattern = strtoul(args[1], NULL, 0);
743 count = strtoul(args[2], NULL, 0);
760 return ERROR_COMMAND_SYNTAX_ERROR;
763 chunk_count = MIN(count, (1024 / wordsize));
767 for(i = 0; i < chunk_count; i++)
769 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
773 for(i = 0; i < chunk_count; i++)
775 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
779 memset(chunk, pattern, chunk_count);
782 LOG_ERROR("BUG: can't happen");
786 duration_start_measure(&duration);
788 for (wrote=0; wrote<(count*wordsize); wrote += cur_size)
790 cur_size = MIN( (count*wordsize - wrote), sizeof(chunk) );
792 bank = get_flash_bank_by_addr(target, address);
797 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
801 err = target_read_buffer(target, address + wrote, cur_size, readback);
806 for (i=0; i<cur_size; i++)
808 if (readback[i]!=chunk[i])
810 LOG_ERROR("Verfication error address 0x%08x, read back 0x%02x, expected 0x%02x", address + wrote + i, readback[i], chunk[i]);
817 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
825 speed=wrote / 1024.0;
826 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
827 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
828 count*wordsize, address, duration_text,
835 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
846 int retval, retvaltemp;
851 return ERROR_COMMAND_SYNTAX_ERROR;
854 duration_start_measure(&duration);
856 offset = strtoul(args[2], NULL, 0);
857 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
860 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
864 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
869 buffer = malloc(fileio.size);
870 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
873 fileio_close(&fileio);
877 retval = flash_driver_write(p, buffer, offset, buf_cnt);
882 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
884 fileio_close(&fileio);
887 if (retval==ERROR_OK)
889 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
890 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
891 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
895 fileio_close(&fileio);
900 void flash_set_dirty(void)
905 /* set all flash to require erasing */
906 for (c = flash_banks; c; c = c->next)
908 for (i = 0; i < c->num_sectors; i++)
910 c->sectors[i].is_erased = 0;
915 /* lookup flash bank by address */
916 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
920 /* cycle through bank list */
921 for (c = flash_banks; c; c = c->next)
924 retval = c->driver->auto_probe(c);
926 if (retval != ERROR_OK)
928 LOG_ERROR("auto_probe failed %d\n", retval);
931 /* check whether address belongs to this flash bank */
932 if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
935 LOG_ERROR("No flash at address 0x%08x\n", addr);
939 /* erase given flash region, selects proper bank according to target and address */
940 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
947 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
948 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
950 if (c->size == 0 || c->num_sectors == 0)
952 LOG_ERROR("Bank is invalid");
953 return ERROR_FLASH_BANK_INVALID;
958 /* special case, erase whole bank when length is zero */
960 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
962 return flash_driver_erase(c, 0, c->num_sectors - 1);
965 /* check whether it fits */
966 if (addr + length - 1 > c->base + c->size - 1)
967 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
971 for (i = 0; i < c->num_sectors; i++)
973 /* check whether sector overlaps with the given range and is not yet erased */
974 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
975 /* if first is not set yet then this is the first sector */
978 last = i; /* and it is the last one so far in any case */
982 if( first == -1 || last == -1 )
985 return flash_driver_erase(c, first, last);
988 /* write (optional verify) an image to flash memory of the given target */
989 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
1006 /* assume all sectors need erasing - stops any problems
1007 * when flash_write is called multiple times */
1012 /* allocate padding array */
1013 padding = malloc(image->num_sections * sizeof(padding));
1015 /* loop until we reach end of the image */
1016 while (section < image->num_sections)
1022 u32 run_address = image->sections[section].base_address + section_offset;
1023 u32 run_size = image->sections[section].size - section_offset;
1026 if (image->sections[section].size == 0)
1028 LOG_WARNING("empty section %d", section);
1034 /* find the corresponding flash bank */
1035 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1037 section++; /* and skip it */
1042 /* collect consecutive sections which fall into the same bank */
1043 section_first = section;
1044 section_last = section;
1045 padding[section] = 0;
1046 while ((run_address + run_size - 1 < c->base + c->size - 1)
1047 && (section_last + 1 < image->num_sections))
1049 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1051 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1054 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1055 * attempt to rebuild a consecutive buffer for the flash loader */
1056 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1057 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1059 padding[section_last] = pad_bytes;
1060 run_size += image->sections[++section_last].size;
1061 run_size += pad_bytes;
1062 padding[section_last] = 0;
1064 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes );
1067 /* fit the run into bank constraints */
1068 if (run_address + run_size - 1 > c->base + c->size - 1)
1070 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1071 c->base + c->size - run_address, run_size, c->size);
1072 run_size = c->base + c->size - run_address;
1075 /* allocate buffer */
1076 buffer = malloc(run_size);
1079 /* read sections to the buffer */
1080 while (buffer_size < run_size)
1084 size_read = run_size - buffer_size;
1085 if (size_read > image->sections[section].size - section_offset)
1086 size_read = image->sections[section].size - section_offset;
1088 if ((retval = image_read_section(image, section, section_offset,
1089 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1096 /* see if we need to pad the section */
1097 while (padding[section]--)
1098 (buffer+buffer_size)[size_read++] = 0xff;
1100 buffer_size += size_read;
1101 section_offset += size_read;
1103 if (section_offset >= image->sections[section].size)
1114 /* calculate and erase sectors */
1115 retval = flash_erase_address_range( target, run_address, run_size );
1118 if (retval == ERROR_OK)
1120 /* write flash sectors */
1121 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1126 if (retval != ERROR_OK)
1129 return retval; /* abort operation */
1132 if (written != NULL)
1133 *written += run_size; /* add run size to total written counter */
1141 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1143 target_t *target = bank->target;
1145 int buffer_size = sizeof(buffer);
1149 if (bank->target->state != TARGET_HALTED)
1151 LOG_ERROR("Target not halted");
1152 return ERROR_TARGET_NOT_HALTED;
1155 for (i = 0; i < bank->num_sectors; i++)
1158 bank->sectors[i].is_erased = 1;
1160 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1164 chunk = buffer_size;
1165 if (chunk > (j - bank->sectors[i].size))
1167 chunk = (j - bank->sectors[i].size);
1170 retval = target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1171 if (retval != ERROR_OK)
1174 for (nBytes = 0; nBytes < chunk; nBytes++)
1176 if (buffer[nBytes] != 0xFF)
1178 bank->sectors[i].is_erased = 0;
1188 int default_flash_blank_check(struct flash_bank_s *bank)
1190 target_t *target = bank->target;
1196 if (bank->target->state != TARGET_HALTED)
1198 LOG_ERROR("Target not halted");
1199 return ERROR_TARGET_NOT_HALTED;
1202 for (i = 0; i < bank->num_sectors; i++)
1204 u32 address = bank->base + bank->sectors[i].offset;
1205 u32 size = bank->sectors[i].size;
1207 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1213 bank->sectors[i].is_erased = 1;
1215 bank->sectors[i].is_erased = 0;
1221 LOG_USER("Running slow fallback erase check - add working memory");
1222 return default_flash_mem_blank_check(bank);