1 /***************************************************************************
2 * Copyright (C) 2005 by Dominic Rath *
3 * Dominic.Rath@gmx.de *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
27 #include "time_support.h"
32 #include "algorithm.h"
33 #include "binarybuffer.h"
39 #include <sys/types.h>
44 /* command handlers */
45 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
46 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
47 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
48 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
49 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
61 extern flash_driver_t lpc2000_flash;
62 extern flash_driver_t cfi_flash;
63 extern flash_driver_t at91sam7_flash;
64 extern flash_driver_t str7x_flash;
65 extern flash_driver_t str9x_flash;
66 extern flash_driver_t stellaris_flash;
67 extern flash_driver_t str9xpec_flash;
68 extern flash_driver_t stm32x_flash;
69 extern flash_driver_t tms470_flash;
70 extern flash_driver_t ecosflash_flash;
71 extern flash_driver_t lpc288x_flash;
72 extern flash_driver_t ocl_flash;
74 flash_driver_t *flash_drivers[] =
91 flash_bank_t *flash_banks;
92 static command_t *flash_cmd;
94 /* wafer thin wrapper for invoking the flash driver */
95 static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
99 retval=bank->driver->write(bank, buffer, offset, count);
100 if (retval!=ERROR_OK)
102 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval);
108 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
112 retval=bank->driver->erase(bank, first, last);
113 if (retval!=ERROR_OK)
115 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
121 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
125 retval=bank->driver->protect(bank, set, first, last);
126 if (retval!=ERROR_OK)
128 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
134 int flash_register_commands(struct command_context_s *cmd_ctx)
136 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
138 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 ...]");
142 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
147 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
156 Jim_Obj *list=Jim_NewListObj(interp, NULL, 0);
157 for (p = flash_banks; p; p = p->next)
159 Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0);
161 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
162 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
163 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
164 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
165 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
166 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
167 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
168 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
169 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
170 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
172 Jim_ListAppendElement(interp, list, elem);
175 Jim_SetResult(interp, list);
180 int flash_init_drivers(struct command_context_s *cmd_ctx)
184 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
186 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
187 "print info about flash bank <num>");
188 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
189 "identify flash bank <num>");
190 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
191 "check erase state of sectors in flash bank <num>");
192 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
193 "check protection state of sectors in flash bank <num>");
194 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
195 "erase sectors at <bank> <first> <last>");
196 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
197 "erase address range <address> <length>");
199 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
200 "fill with pattern <address> <word_pattern> <count>");
201 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
202 "fill with pattern <address> <halfword_pattern> <count>");
203 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
204 "fill with pattern <address> <byte_pattern> <count>");
206 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
207 "write binary data to <bank> <file> <offset>");
208 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
209 "write_image [erase] <file> [offset] [type]");
210 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
211 "set protection of sectors at <bank> <first> <last> <on|off>");
217 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
222 for (p = flash_banks; p; p = p->next)
229 LOG_ERROR("flash bank %d does not exist", num);
233 int flash_get_bank_count()
237 for (p = flash_banks; p; p = p->next)
244 flash_bank_t *get_flash_bank_by_num(int num)
246 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
252 retval = p->driver->auto_probe(p);
254 if (retval != ERROR_OK)
256 LOG_ERROR("auto_probe failed %d\n", retval);
262 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
270 return ERROR_COMMAND_SYNTAX_ERROR;
273 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
275 LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
279 for (i = 0; flash_drivers[i]; i++)
281 if (strcmp(args[0], flash_drivers[i]->name) == 0)
285 /* register flash specific commands */
286 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
288 LOG_ERROR("couldn't register '%s' commands", args[0]);
292 c = malloc(sizeof(flash_bank_t));
294 c->driver = flash_drivers[i];
295 c->driver_priv = NULL;
296 c->base = strtoul(args[1], NULL, 0);
297 c->size = strtoul(args[2], NULL, 0);
298 c->chip_width = strtoul(args[3], NULL, 0);
299 c->bus_width = strtoul(args[4], NULL, 0);
304 if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
306 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
311 /* put flash bank in linked list */
314 /* find last flash bank */
315 for (p = flash_banks; p && p->next; p = p->next);
328 /* no matching flash driver found */
331 LOG_ERROR("flash driver '%s' not found", args[0]);
338 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
347 return ERROR_COMMAND_SYNTAX_ERROR;
350 for (p = flash_banks; p; p = p->next, i++)
352 if (i == strtoul(args[0], NULL, 0))
356 /* attempt auto probe */
357 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
360 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
361 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
362 for (j = 0; j < p->num_sectors; j++)
366 if (p->sectors[j].is_protected == 0)
367 protect_state = "not protected";
368 else if (p->sectors[j].is_protected == 1)
369 protect_state = "protected";
371 protect_state = "protection state unknown";
373 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
374 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
378 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
379 retval = p->driver->info(p, buf, sizeof(buf));
380 command_print(cmd_ctx, "%s", buf);
381 if (retval != ERROR_OK)
382 LOG_ERROR("error retrieving flash info (%d)", retval);
389 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
396 return ERROR_COMMAND_SYNTAX_ERROR;
399 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
402 if ((retval = p->driver->probe(p)) == ERROR_OK)
404 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
406 else if (retval == ERROR_FLASH_BANK_INVALID)
408 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
413 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
419 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
425 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
432 return ERROR_COMMAND_SYNTAX_ERROR;
435 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
439 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
441 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
445 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
449 for (j = 0; j < p->num_sectors; j++)
453 if (p->sectors[j].is_erased == 0)
454 erase_state = "not erased";
455 else if (p->sectors[j].is_erased == 1)
456 erase_state = "erased";
458 erase_state = "erase state unknown";
460 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
461 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
470 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
479 target_t *target = get_current_target(cmd_ctx);
483 return ERROR_COMMAND_SYNTAX_ERROR;
486 address = strtoul(args[0], NULL, 0);
487 length = strtoul(args[1], NULL, 0);
490 command_print(cmd_ctx, "Length must be >0");
491 return ERROR_COMMAND_SYNTAX_ERROR;
494 p = get_flash_bank_by_addr(target, address);
500 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
503 duration_start_measure(&duration);
505 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
507 duration_stop_measure(&duration, &duration_text);
508 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
515 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
522 return ERROR_COMMAND_SYNTAX_ERROR;
525 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
528 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
530 command_print(cmd_ctx, "successfully checked protect state");
532 else if (retval == ERROR_FLASH_OPERATION_FAILED)
534 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
538 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
543 return ERROR_COMMAND_SYNTAX_ERROR;
549 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
553 int first = strtoul(args[1], NULL, 0);
554 int last = strtoul(args[2], NULL, 0);
556 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
560 duration_start_measure(&duration);
564 return ERROR_COMMAND_SYNTAX_ERROR;
567 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
569 duration_stop_measure(&duration, &duration_text);
571 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
577 return ERROR_COMMAND_SYNTAX_ERROR;
583 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
587 int first = strtoul(args[1], NULL, 0);
588 int last = strtoul(args[2], NULL, 0);
591 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
594 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
598 if (strcmp(args[3], "on") == 0)
600 else if (strcmp(args[3], "off") == 0)
604 return ERROR_COMMAND_SYNTAX_ERROR;
607 retval = flash_driver_protect(p, set, first, last);
608 if (retval == ERROR_OK)
610 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));
615 return ERROR_COMMAND_SYNTAX_ERROR;
622 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
624 target_t *target = get_current_target(cmd_ctx);
636 return ERROR_COMMAND_SYNTAX_ERROR;
639 /* flash auto-erase is disabled by default*/
642 if (strcmp(args[0], "erase")==0)
647 command_print(cmd_ctx, "auto erase enabled");
653 return ERROR_COMMAND_SYNTAX_ERROR;
658 LOG_ERROR("no target selected");
662 duration_start_measure(&duration);
666 image.base_address_set = 1;
667 image.base_address = strtoul(args[1], NULL, 0);
671 image.base_address_set = 0;
672 image.base_address = 0x0;
675 image.start_address_set = 0;
677 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
678 if (retval != ERROR_OK)
683 retval = flash_write(target, &image, &written, auto_erase);
684 if (retval != ERROR_OK)
690 duration_stop_measure(&duration, &duration_text);
691 if (retval == ERROR_OK)
693 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
694 written, args[0], duration_text,
695 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
704 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
715 target_t *target = get_current_target(cmd_ctx);
721 return ERROR_COMMAND_SYNTAX_ERROR;
724 address = strtoul(args[0], NULL, 0);
725 pattern = strtoul(args[1], NULL, 0);
726 count = strtoul(args[2], NULL, 0);
744 return ERROR_COMMAND_SYNTAX_ERROR;
747 chunk_count = MIN(count, (1024 / wordsize));
751 for(i = 0; i < chunk_count; i++)
753 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
757 for(i = 0; i < chunk_count; i++)
759 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
763 memset(chunk, pattern, chunk_count);
766 LOG_ERROR("BUG: can't happen");
770 duration_start_measure(&duration);
773 err = flash_erase_address_range( target, address, count*wordsize );
776 for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
778 int cur_size = MIN( (count*wordsize - wrote) , 1024 );
782 bank = get_flash_bank_by_addr(target, address);
788 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
796 duration_stop_measure(&duration, &duration_text);
801 speed=wrote / 1024.0;
802 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
803 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
804 count*wordsize, address, duration_text,
811 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
827 return ERROR_COMMAND_SYNTAX_ERROR;
830 duration_start_measure(&duration);
832 offset = strtoul(args[2], NULL, 0);
833 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
836 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
840 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
845 buffer = malloc(fileio.size);
846 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
849 fileio_close(&fileio);
853 retval = flash_driver_write(p, buffer, offset, buf_cnt);
858 duration_stop_measure(&duration, &duration_text);
859 if (retval!=ERROR_OK)
861 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
862 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
863 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
867 fileio_close(&fileio);
872 void flash_set_dirty(void)
877 /* set all flash to require erasing */
878 for (c = flash_banks; c; c = c->next)
880 for (i = 0; i < c->num_sectors; i++)
882 c->sectors[i].is_erased = 0;
887 /* lookup flash bank by address */
888 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
892 /* cycle through bank list */
893 for (c = flash_banks; c; c = c->next)
896 retval = c->driver->auto_probe(c);
898 if (retval != ERROR_OK)
900 LOG_ERROR("auto_probe failed %d\n", retval);
903 /* check whether address belongs to this flash bank */
904 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
907 LOG_ERROR("No flash at address 0x%08x\n", addr);
911 /* erase given flash region, selects proper bank according to target and address */
912 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
919 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
920 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
922 if (c->size == 0 || c->num_sectors == 0)
924 LOG_ERROR("Bank is invalid");
925 return ERROR_FLASH_BANK_INVALID;
930 /* special case, erase whole bank when length is zero */
932 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
934 return flash_driver_erase(c, 0, c->num_sectors - 1);
937 /* check whether it fits */
938 if (addr + length > c->base + c->size)
939 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
943 for (i = 0; i < c->num_sectors; i++)
945 /* check whether sector overlaps with the given range and is not yet erased */
946 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
947 /* if first is not set yet then this is the first sector */
950 last = i; /* and it is the last one so far in any case */
954 if( first == -1 || last == -1 )
957 return flash_driver_erase(c, first, last);
960 /* write (optional verify) an image to flash memory of the given target */
961 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
978 /* assume all sectors need erasing - stops any problems
979 * when flash_write is called multiple times */
984 /* allocate padding array */
985 padding = malloc(image->num_sections * sizeof(padding));
987 /* loop until we reach end of the image */
988 while (section < image->num_sections)
994 u32 run_address = image->sections[section].base_address + section_offset;
995 u32 run_size = image->sections[section].size - section_offset;
998 if (image->sections[section].size == 0)
1000 LOG_WARNING("empty section %d", section);
1006 /* find the corresponding flash bank */
1007 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1009 section++; /* and skip it */
1014 /* collect consecutive sections which fall into the same bank */
1015 section_first = section;
1016 section_last = section;
1017 padding[section] = 0;
1018 while ((run_address + run_size < c->base + c->size)
1019 && (section_last + 1 < image->num_sections))
1021 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1023 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1026 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1027 * attempt to rebuild a consecutive buffer for the flash loader */
1028 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1029 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1031 padding[section_last] = pad_bytes;
1032 run_size += image->sections[++section_last].size;
1033 run_size += pad_bytes;
1034 padding[section_last] = 0;
1036 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes );
1039 /* fit the run into bank constraints */
1040 if (run_address + run_size > c->base + c->size)
1041 run_size = c->base + c->size - run_address;
1043 /* allocate buffer */
1044 buffer = malloc(run_size);
1047 /* read sections to the buffer */
1048 while (buffer_size < run_size)
1052 if (buffer_size - run_size <= image->sections[section].size - section_offset)
1053 size_read = buffer_size - run_size;
1055 size_read = image->sections[section].size - section_offset;
1057 if ((retval = image_read_section(image, section, section_offset,
1058 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1065 /* see if we need to pad the section */
1066 while (padding[section]--)
1067 buffer[size_read++] = 0xff;
1069 buffer_size += size_read;
1070 section_offset += size_read;
1072 if (section_offset >= image->sections[section].size)
1083 /* calculate and erase sectors */
1084 retval = flash_erase_address_range( target, run_address, run_size );
1087 if (retval == ERROR_OK)
1089 /* write flash sectors */
1090 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1095 if (retval != ERROR_OK)
1098 return retval; /* abort operation */
1101 if (written != NULL)
1102 *written += run_size; /* add run size to total written counter */
1110 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1112 target_t *target = bank->target;
1114 int buffer_size = sizeof(buffer);
1118 if (bank->target->state != TARGET_HALTED)
1120 return ERROR_TARGET_NOT_HALTED;
1123 for (i = 0; i < bank->num_sectors; i++)
1126 bank->sectors[i].is_erased = 1;
1128 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1132 chunk = buffer_size;
1133 if (chunk > (j - bank->sectors[i].size))
1135 chunk = (j - bank->sectors[i].size);
1138 retval = target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1139 if (retval != ERROR_OK)
1142 for (nBytes = 0; nBytes < chunk; nBytes++)
1144 if (buffer[nBytes] != 0xFF)
1146 bank->sectors[i].is_erased = 0;
1156 int default_flash_blank_check(struct flash_bank_s *bank)
1158 target_t *target = bank->target;
1164 if (bank->target->state != TARGET_HALTED)
1166 return ERROR_TARGET_NOT_HALTED;
1169 for (i = 0; i < bank->num_sectors; i++)
1171 u32 address = bank->base + bank->sectors[i].offset;
1172 u32 size = bank->sectors[i].size;
1174 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1180 bank->sectors[i].is_erased = 1;
1182 bank->sectors[i].is_erased = 0;
1188 LOG_USER("Running slow fallback erase check - add working memory");
1189 return default_flash_mem_blank_check(bank);