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>
45 extern Jim_Interp *interp;
48 /* command handlers */
49 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
65 extern flash_driver_t lpc2000_flash;
66 extern flash_driver_t cfi_flash;
67 extern flash_driver_t at91sam7_flash;
68 extern flash_driver_t str7x_flash;
69 extern flash_driver_t str9x_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;
78 flash_driver_t *flash_drivers[] =
95 flash_bank_t *flash_banks;
96 static command_t *flash_cmd;
98 /* wafer thin wrapper for invoking the flash driver */
99 static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
103 retval=bank->driver->write(bank, buffer, offset, count);
104 if (retval!=ERROR_OK)
106 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval);
112 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
116 retval=bank->driver->erase(bank, first, last);
117 if (retval!=ERROR_OK)
119 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
125 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
129 retval=bank->driver->protect(bank, set, first, last);
130 if (retval!=ERROR_OK)
132 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
138 int flash_register_commands(struct command_context_s *cmd_ctx)
140 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
142 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 ...]");
146 static int Jim_Command_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
149 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
160 Jim_Obj *list=Jim_NewListObj(interp, NULL, 0);
161 for (p = flash_banks; p; p = p->next)
163 Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0);
166 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
167 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
168 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
169 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
170 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
171 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
172 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
173 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
174 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
175 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
177 Jim_ListAppendElement(interp, list, elem);
180 Jim_SetResult(interp, list);
186 int flash_init_drivers(struct command_context_s *cmd_ctx)
190 Jim_CreateCommand(interp, "openocd_flash_banks", Jim_Command_flash_banks, NULL, NULL );
192 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
193 "print info about flash bank <num>");
194 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
195 "identify flash bank <num>");
196 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
197 "check erase state of sectors in flash bank <num>");
198 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
199 "check protection state of sectors in flash bank <num>");
200 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
201 "erase sectors at <bank> <first> <last>");
202 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
203 "erase address range <address> <length>");
205 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
206 "fill with pattern <address> <word_pattern> <count>");
207 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
208 "fill with pattern <address> <halfword_pattern> <count>");
209 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
210 "fill with pattern <address> <byte_pattern> <count>");
212 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
213 "write binary data to <bank> <file> <offset>");
214 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
215 "write_image [erase] <file> [offset] [type]");
216 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
217 "set protection of sectors at <bank> <first> <last> <on|off>");
223 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
228 for (p = flash_banks; p; p = p->next)
235 LOG_ERROR("flash bank %d does not exist", num);
239 int flash_get_bank_count()
243 for (p = flash_banks; p; p = p->next)
250 flash_bank_t *get_flash_bank_by_num(int num)
252 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
258 retval = p->driver->auto_probe(p);
260 if (retval != ERROR_OK)
262 LOG_ERROR("auto_probe failed %d\n", retval);
268 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
276 return ERROR_COMMAND_SYNTAX_ERROR;
279 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
281 LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
285 for (i = 0; flash_drivers[i]; i++)
287 if (strcmp(args[0], flash_drivers[i]->name) == 0)
291 /* register flash specific commands */
292 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
294 LOG_ERROR("couldn't register '%s' commands", args[0]);
298 c = malloc(sizeof(flash_bank_t));
300 c->driver = flash_drivers[i];
301 c->driver_priv = NULL;
302 c->base = strtoul(args[1], NULL, 0);
303 c->size = strtoul(args[2], NULL, 0);
304 c->chip_width = strtoul(args[3], NULL, 0);
305 c->bus_width = strtoul(args[4], NULL, 0);
310 if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
312 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
317 /* put flash bank in linked list */
320 /* find last flash bank */
321 for (p = flash_banks; p && p->next; p = p->next);
334 /* no matching flash driver found */
337 LOG_ERROR("flash driver '%s' not found", args[0]);
344 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
353 return ERROR_COMMAND_SYNTAX_ERROR;
356 for (p = flash_banks; p; p = p->next, i++)
358 if (i == strtoul(args[0], NULL, 0))
362 /* attempt auto probe */
363 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
366 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
367 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
368 for (j = 0; j < p->num_sectors; j++)
372 if (p->sectors[j].is_protected == 0)
373 protect_state = "not protected";
374 else if (p->sectors[j].is_protected == 1)
375 protect_state = "protected";
377 protect_state = "protection state unknown";
379 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
380 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
384 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
385 retval = p->driver->info(p, buf, sizeof(buf));
386 command_print(cmd_ctx, "%s", buf);
387 if (retval != ERROR_OK)
388 LOG_ERROR("error retrieving flash info (%d)", retval);
395 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
402 return ERROR_COMMAND_SYNTAX_ERROR;
405 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
408 if ((retval = p->driver->probe(p)) == ERROR_OK)
410 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
412 else if (retval == ERROR_FLASH_BANK_INVALID)
414 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
419 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
425 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
431 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
438 return ERROR_COMMAND_SYNTAX_ERROR;
441 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
445 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
447 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
451 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
455 for (j = 0; j < p->num_sectors; j++)
459 if (p->sectors[j].is_erased == 0)
460 erase_state = "not erased";
461 else if (p->sectors[j].is_erased == 1)
462 erase_state = "erased";
464 erase_state = "erase state unknown";
466 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
467 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
476 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 duration_stop_measure(&duration, &duration_text);
514 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
521 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
528 return ERROR_COMMAND_SYNTAX_ERROR;
531 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
534 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
536 command_print(cmd_ctx, "successfully checked protect state");
538 else if (retval == ERROR_FLASH_OPERATION_FAILED)
540 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
544 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
549 return ERROR_COMMAND_SYNTAX_ERROR;
555 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
559 int first = strtoul(args[1], NULL, 0);
560 int last = strtoul(args[2], NULL, 0);
562 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
566 duration_start_measure(&duration);
570 return ERROR_COMMAND_SYNTAX_ERROR;
573 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
575 duration_stop_measure(&duration, &duration_text);
577 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
583 return ERROR_COMMAND_SYNTAX_ERROR;
589 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
593 int first = strtoul(args[1], NULL, 0);
594 int last = strtoul(args[2], NULL, 0);
597 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
600 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
604 if (strcmp(args[3], "on") == 0)
606 else if (strcmp(args[3], "off") == 0)
610 return ERROR_COMMAND_SYNTAX_ERROR;
613 retval = flash_driver_protect(p, set, first, last);
614 if (retval == ERROR_OK)
616 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));
621 return ERROR_COMMAND_SYNTAX_ERROR;
628 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
630 target_t *target = get_current_target(cmd_ctx);
642 return ERROR_COMMAND_SYNTAX_ERROR;
645 /* flash auto-erase is disabled by default*/
648 if (strcmp(args[0], "erase")==0)
653 command_print(cmd_ctx, "auto erase enabled");
659 return ERROR_COMMAND_SYNTAX_ERROR;
664 LOG_ERROR("no target selected");
668 duration_start_measure(&duration);
672 image.base_address_set = 1;
673 image.base_address = strtoul(args[1], NULL, 0);
677 image.base_address_set = 0;
678 image.base_address = 0x0;
681 image.start_address_set = 0;
683 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
684 if (retval != ERROR_OK)
689 retval = flash_write(target, &image, &written, auto_erase);
690 if (retval != ERROR_OK)
696 duration_stop_measure(&duration, &duration_text);
697 if (retval == ERROR_OK)
699 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
700 written, args[0], duration_text,
701 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
710 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
721 target_t *target = get_current_target(cmd_ctx);
727 return ERROR_COMMAND_SYNTAX_ERROR;
730 address = strtoul(args[0], NULL, 0);
731 pattern = strtoul(args[1], NULL, 0);
732 count = strtoul(args[2], NULL, 0);
750 return ERROR_COMMAND_SYNTAX_ERROR;
753 chunk_count = MIN(count, (1024 / wordsize));
757 for(i = 0; i < chunk_count; i++)
759 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
763 for(i = 0; i < chunk_count; i++)
765 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
769 memset(chunk, pattern, chunk_count);
772 LOG_ERROR("BUG: can't happen");
776 duration_start_measure(&duration);
779 err = flash_erase_address_range( target, address, count*wordsize );
782 for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
784 int cur_size = MIN( (count*wordsize - wrote) , 1024 );
788 bank = get_flash_bank_by_addr(target, address);
794 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
802 duration_stop_measure(&duration, &duration_text);
807 speed=wrote / 1024.0;
808 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
809 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
810 count*wordsize, address, duration_text,
817 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
833 return ERROR_COMMAND_SYNTAX_ERROR;
836 duration_start_measure(&duration);
838 offset = strtoul(args[2], NULL, 0);
839 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
842 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
846 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
851 buffer = malloc(fileio.size);
852 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
855 fileio_close(&fileio);
859 retval = flash_driver_write(p, buffer, offset, buf_cnt);
864 duration_stop_measure(&duration, &duration_text);
865 if (retval!=ERROR_OK)
867 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
868 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
869 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
873 fileio_close(&fileio);
878 void flash_set_dirty(void)
883 /* set all flash to require erasing */
884 for (c = flash_banks; c; c = c->next)
886 for (i = 0; i < c->num_sectors; i++)
888 c->sectors[i].is_erased = 0;
893 /* lookup flash bank by address */
894 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
898 /* cycle through bank list */
899 for (c = flash_banks; c; c = c->next)
902 retval = c->driver->auto_probe(c);
904 if (retval != ERROR_OK)
906 LOG_ERROR("auto_probe failed %d\n", retval);
909 /* check whether address belongs to this flash bank */
910 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
913 LOG_ERROR("No flash at address 0x%08x\n", addr);
917 /* erase given flash region, selects proper bank according to target and address */
918 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
925 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
926 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
928 if (c->size == 0 || c->num_sectors == 0)
930 LOG_ERROR("Bank is invalid");
931 return ERROR_FLASH_BANK_INVALID;
936 /* special case, erase whole bank when length is zero */
938 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
940 return flash_driver_erase(c, 0, c->num_sectors - 1);
943 /* check whether it fits */
944 if (addr + length > c->base + c->size)
945 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
949 for (i = 0; i < c->num_sectors; i++)
951 /* check whether sector overlaps with the given range and is not yet erased */
952 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
953 /* if first is not set yet then this is the first sector */
956 last = i; /* and it is the last one so far in any case */
960 if( first == -1 || last == -1 )
963 return flash_driver_erase(c, first, last);
966 /* write (optional verify) an image to flash memory of the given target */
967 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
984 /* assume all sectors need erasing - stops any problems
985 * when flash_write is called multiple times */
990 /* allocate padding array */
991 padding = malloc(image->num_sections * sizeof(padding));
993 /* loop until we reach end of the image */
994 while (section < image->num_sections)
1000 u32 run_address = image->sections[section].base_address + section_offset;
1001 u32 run_size = image->sections[section].size - section_offset;
1004 if (image->sections[section].size == 0)
1006 LOG_WARNING("empty section %d", section);
1012 /* find the corresponding flash bank */
1013 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1015 section++; /* and skip it */
1020 /* collect consecutive sections which fall into the same bank */
1021 section_first = section;
1022 section_last = section;
1023 padding[section] = 0;
1024 while ((run_address + run_size < c->base + c->size)
1025 && (section_last + 1 < image->num_sections))
1027 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1029 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1032 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1033 * attempt to rebuild a consecutive buffer for the flash loader */
1034 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1035 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1037 padding[section_last] = pad_bytes;
1038 run_size += image->sections[++section_last].size;
1039 run_size += pad_bytes;
1040 padding[section_last] = 0;
1042 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes );
1045 /* fit the run into bank constraints */
1046 if (run_address + run_size > c->base + c->size)
1047 run_size = c->base + c->size - run_address;
1049 /* allocate buffer */
1050 buffer = malloc(run_size);
1053 /* read sections to the buffer */
1054 while (buffer_size < run_size)
1058 if (buffer_size - run_size <= image->sections[section].size - section_offset)
1059 size_read = buffer_size - run_size;
1061 size_read = image->sections[section].size - section_offset;
1063 if ((retval = image_read_section(image, section, section_offset,
1064 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1071 /* see if we need to pad the section */
1072 while (padding[section]--)
1073 buffer[size_read++] = 0xff;
1075 buffer_size += size_read;
1076 section_offset += size_read;
1078 if (section_offset >= image->sections[section].size)
1089 /* calculate and erase sectors */
1090 retval = flash_erase_address_range( target, run_address, run_size );
1093 if (retval == ERROR_OK)
1095 /* write flash sectors */
1096 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1101 if (retval != ERROR_OK)
1104 return retval; /* abort operation */
1107 if (written != NULL)
1108 *written += run_size; /* add run size to total written counter */
1116 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1118 target_t *target = bank->target;
1120 int buffer_size = sizeof(buffer);
1124 if (bank->target->state != TARGET_HALTED)
1126 return ERROR_TARGET_NOT_HALTED;
1129 for (i = 0; i < bank->num_sectors; i++)
1132 bank->sectors[i].is_erased = 1;
1134 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1138 chunk = buffer_size;
1139 if (chunk > (j - bank->sectors[i].size))
1141 chunk = (j - bank->sectors[i].size);
1144 retval = target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1145 if (retval != ERROR_OK)
1148 for (nBytes = 0; nBytes < chunk; nBytes++)
1150 if (buffer[nBytes] != 0xFF)
1152 bank->sectors[i].is_erased = 0;
1162 int default_flash_blank_check(struct flash_bank_s *bank)
1164 target_t *target = bank->target;
1170 if (bank->target->state != TARGET_HALTED)
1172 return ERROR_TARGET_NOT_HALTED;
1175 for (i = 0; i < bank->num_sectors; i++)
1177 u32 address = bank->base + bank->sectors[i].offset;
1178 u32 size = bank->sectors[i].size;
1180 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1186 bank->sectors[i].is_erased = 1;
1188 bank->sectors[i].is_erased = 0;
1194 LOG_USER("Running slow fallback erase check - add working memory");
1195 return default_flash_mem_blank_check(bank);