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>
46 extern Jim_Interp *interp;
49 /* command handlers */
50 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
66 extern flash_driver_t lpc2000_flash;
67 extern flash_driver_t cfi_flash;
68 extern flash_driver_t at91sam7_flash;
69 extern flash_driver_t str7x_flash;
70 extern flash_driver_t str9x_flash;
71 extern flash_driver_t stellaris_flash;
72 extern flash_driver_t str9xpec_flash;
73 extern flash_driver_t stm32x_flash;
74 extern flash_driver_t tms470_flash;
75 extern flash_driver_t ecosflash_flash;
76 extern flash_driver_t lpc288x_flash;
77 extern flash_driver_t ocl_flash;
79 flash_driver_t *flash_drivers[] =
96 flash_bank_t *flash_banks;
97 static command_t *flash_cmd;
99 /* wafer thin wrapper for invoking the flash driver */
100 static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
104 retval=bank->driver->write(bank, buffer, offset, count);
105 if (retval!=ERROR_OK)
107 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval);
113 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
117 retval=bank->driver->erase(bank, first, last);
118 if (retval!=ERROR_OK)
120 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
126 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
130 retval=bank->driver->protect(bank, set, first, last);
131 if (retval!=ERROR_OK)
133 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
139 int flash_register_commands(struct command_context_s *cmd_ctx)
141 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
143 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 ...]");
147 static int Jim_Command_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
150 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
161 Jim_Obj *list=Jim_NewListObj(interp, NULL, 0);
162 for (p = flash_banks; p; p = p->next)
164 Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0);
167 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
168 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
169 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
170 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
171 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
172 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
173 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
174 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
175 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
176 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
178 Jim_ListAppendElement(interp, list, elem);
181 Jim_SetResult(interp, list);
187 int flash_init_drivers(struct command_context_s *cmd_ctx)
191 Jim_CreateCommand(interp, "openocd_flash_banks", Jim_Command_flash_banks, NULL, NULL );
193 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
194 "print info about flash bank <num>");
195 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
196 "identify flash bank <num>");
197 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
198 "check erase state of sectors in flash bank <num>");
199 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
200 "check protection state of sectors in flash bank <num>");
201 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
202 "erase sectors at <bank> <first> <last>");
203 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
204 "erase address range <address> <length>");
206 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
207 "fill with pattern <address> <word_pattern> <count>");
208 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
209 "fill with pattern <address> <halfword_pattern> <count>");
210 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
211 "fill with pattern <address> <byte_pattern> <count>");
213 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
214 "write binary data to <bank> <file> <offset>");
215 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
216 "write_image [erase] <file> [offset] [type]");
217 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
218 "set protection of sectors at <bank> <first> <last> <on|off>");
224 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
229 for (p = flash_banks; p; p = p->next)
236 LOG_ERROR("flash bank %d does not exist", num);
240 int flash_get_bank_count()
244 for (p = flash_banks; p; p = p->next)
251 flash_bank_t *get_flash_bank_by_num(int num)
253 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
259 retval = p->driver->auto_probe(p);
261 if (retval != ERROR_OK)
263 LOG_ERROR("auto_probe failed %d\n", retval);
269 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
277 return ERROR_COMMAND_SYNTAX_ERROR;
280 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
282 LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
286 for (i = 0; flash_drivers[i]; i++)
288 if (strcmp(args[0], flash_drivers[i]->name) == 0)
292 /* register flash specific commands */
293 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
295 LOG_ERROR("couldn't register '%s' commands", args[0]);
299 c = malloc(sizeof(flash_bank_t));
301 c->driver = flash_drivers[i];
302 c->driver_priv = NULL;
303 c->base = strtoul(args[1], NULL, 0);
304 c->size = strtoul(args[2], NULL, 0);
305 c->chip_width = strtoul(args[3], NULL, 0);
306 c->bus_width = strtoul(args[4], NULL, 0);
311 if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
313 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
318 /* put flash bank in linked list */
321 /* find last flash bank */
322 for (p = flash_banks; p && p->next; p = p->next);
335 /* no matching flash driver found */
338 LOG_ERROR("flash driver '%s' not found", args[0]);
345 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#%i: 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 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 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#%i: 0x%8.8x (0x%x %ikB) %s",
468 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
477 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
486 target_t *target = get_current_target(cmd_ctx);
490 return ERROR_COMMAND_SYNTAX_ERROR;
493 address = strtoul(args[0], NULL, 0);
494 length = strtoul(args[1], NULL, 0);
497 command_print(cmd_ctx, "Length must be >0");
498 return ERROR_COMMAND_SYNTAX_ERROR;
501 p = get_flash_bank_by_addr(target, address);
507 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
510 duration_start_measure(&duration);
512 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
514 duration_stop_measure(&duration, &duration_text);
515 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
522 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
529 return ERROR_COMMAND_SYNTAX_ERROR;
532 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
535 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
537 command_print(cmd_ctx, "successfully checked protect state");
539 else if (retval == ERROR_FLASH_OPERATION_FAILED)
541 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
545 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
550 return ERROR_COMMAND_SYNTAX_ERROR;
556 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
560 int first = strtoul(args[1], NULL, 0);
561 int last = strtoul(args[2], NULL, 0);
563 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
567 duration_start_measure(&duration);
571 return ERROR_COMMAND_SYNTAX_ERROR;
574 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
576 duration_stop_measure(&duration, &duration_text);
578 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
584 return ERROR_COMMAND_SYNTAX_ERROR;
590 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
594 int first = strtoul(args[1], NULL, 0);
595 int last = strtoul(args[2], NULL, 0);
598 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
601 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
605 if (strcmp(args[3], "on") == 0)
607 else if (strcmp(args[3], "off") == 0)
611 return ERROR_COMMAND_SYNTAX_ERROR;
614 retval = flash_driver_protect(p, set, first, last);
615 if (retval == ERROR_OK)
617 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));
622 return ERROR_COMMAND_SYNTAX_ERROR;
629 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
631 target_t *target = get_current_target(cmd_ctx);
643 return ERROR_COMMAND_SYNTAX_ERROR;
646 /* flash auto-erase is disabled by default*/
649 if (strcmp(args[0], "erase")==0)
654 command_print(cmd_ctx, "auto erase enabled");
660 return ERROR_COMMAND_SYNTAX_ERROR;
665 LOG_ERROR("no target selected");
669 duration_start_measure(&duration);
673 image.base_address_set = 1;
674 image.base_address = strtoul(args[1], NULL, 0);
678 image.base_address_set = 0;
679 image.base_address = 0x0;
682 image.start_address_set = 0;
684 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
685 if (retval != ERROR_OK)
690 retval = flash_write(target, &image, &written, auto_erase);
691 if (retval != ERROR_OK)
697 duration_stop_measure(&duration, &duration_text);
698 if (retval == ERROR_OK)
700 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
701 written, args[0], duration_text,
702 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
711 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
722 target_t *target = get_current_target(cmd_ctx);
728 return ERROR_COMMAND_SYNTAX_ERROR;
731 address = strtoul(args[0], NULL, 0);
732 pattern = strtoul(args[1], NULL, 0);
733 count = strtoul(args[2], NULL, 0);
751 return ERROR_COMMAND_SYNTAX_ERROR;
754 chunk_count = MIN(count, (1024 / wordsize));
758 for(i = 0; i < chunk_count; i++)
760 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
764 for(i = 0; i < chunk_count; i++)
766 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
770 memset(chunk, pattern, chunk_count);
773 LOG_ERROR("BUG: can't happen");
777 duration_start_measure(&duration);
780 err = flash_erase_address_range( target, address, count*wordsize );
783 for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
785 int cur_size = MIN( (count*wordsize - wrote) , 1024 );
789 bank = get_flash_bank_by_addr(target, address);
795 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
803 duration_stop_measure(&duration, &duration_text);
808 speed=wrote / 1024.0;
809 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
810 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
811 count*wordsize, address, duration_text,
818 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
834 return ERROR_COMMAND_SYNTAX_ERROR;
837 duration_start_measure(&duration);
839 offset = strtoul(args[2], NULL, 0);
840 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
843 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
847 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
852 buffer = malloc(fileio.size);
853 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
856 fileio_close(&fileio);
860 retval = flash_driver_write(p, buffer, offset, buf_cnt);
865 duration_stop_measure(&duration, &duration_text);
866 if (retval!=ERROR_OK)
868 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
869 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
870 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
874 fileio_close(&fileio);
879 void flash_set_dirty(void)
884 /* set all flash to require erasing */
885 for (c = flash_banks; c; c = c->next)
887 for (i = 0; i < c->num_sectors; i++)
889 c->sectors[i].is_erased = 0;
894 /* lookup flash bank by address */
895 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
899 /* cycle through bank list */
900 for (c = flash_banks; c; c = c->next)
903 retval = c->driver->auto_probe(c);
905 if (retval != ERROR_OK)
907 LOG_ERROR("auto_probe failed %d\n", retval);
910 /* check whether address belongs to this flash bank */
911 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
914 LOG_ERROR("No flash at address 0x%08x\n", addr);
918 /* erase given flash region, selects proper bank according to target and address */
919 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
926 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
927 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
929 if (c->size == 0 || c->num_sectors == 0)
931 LOG_ERROR("Bank is invalid");
932 return ERROR_FLASH_BANK_INVALID;
937 /* special case, erase whole bank when length is zero */
939 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
941 return flash_driver_erase(c, 0, c->num_sectors - 1);
944 /* check whether it fits */
945 if (addr + length > c->base + c->size)
946 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
950 for (i = 0; i < c->num_sectors; i++)
952 /* check whether sector overlaps with the given range and is not yet erased */
953 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
954 /* if first is not set yet then this is the first sector */
957 last = i; /* and it is the last one so far in any case */
961 if( first == -1 || last == -1 )
964 return flash_driver_erase(c, first, last);
967 /* write (optional verify) an image to flash memory of the given target */
968 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
985 /* assume all sectors need erasing - stops any problems
986 * when flash_write is called multiple times */
991 /* allocate padding array */
992 padding = malloc(image->num_sections * sizeof(padding));
994 /* loop until we reach end of the image */
995 while (section < image->num_sections)
1001 u32 run_address = image->sections[section].base_address + section_offset;
1002 u32 run_size = image->sections[section].size - section_offset;
1005 if (image->sections[section].size == 0)
1007 LOG_WARNING("empty section %d", section);
1013 /* find the corresponding flash bank */
1014 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1016 section++; /* and skip it */
1021 /* collect consecutive sections which fall into the same bank */
1022 section_first = section;
1023 section_last = section;
1024 padding[section] = 0;
1025 while ((run_address + run_size < c->base + c->size)
1026 && (section_last + 1 < image->num_sections))
1028 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1030 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1033 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1034 * attempt to rebuild a consecutive buffer for the flash loader */
1035 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1036 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1038 padding[section_last] = pad_bytes;
1039 run_size += image->sections[++section_last].size;
1040 run_size += pad_bytes;
1041 padding[section_last] = 0;
1043 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes );
1046 /* fit the run into bank constraints */
1047 if (run_address + run_size > c->base + c->size)
1048 run_size = c->base + c->size - run_address;
1050 /* allocate buffer */
1051 buffer = malloc(run_size);
1054 /* read sections to the buffer */
1055 while (buffer_size < run_size)
1059 if (buffer_size - run_size <= image->sections[section].size - section_offset)
1060 size_read = buffer_size - run_size;
1062 size_read = image->sections[section].size - section_offset;
1064 if ((retval = image_read_section(image, section, section_offset,
1065 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1072 /* see if we need to pad the section */
1073 while (padding[section]--)
1074 buffer[size_read++] = 0xff;
1076 buffer_size += size_read;
1077 section_offset += size_read;
1079 if (section_offset >= image->sections[section].size)
1090 /* calculate and erase sectors */
1091 retval = flash_erase_address_range( target, run_address, run_size );
1094 if (retval == ERROR_OK)
1096 /* write flash sectors */
1097 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1102 if (retval != ERROR_OK)
1105 return retval; /* abort operation */
1108 if (written != NULL)
1109 *written += run_size; /* add run size to total written counter */
1117 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1119 target_t *target = bank->target;
1121 int buffer_size = sizeof(buffer);
1125 if (bank->target->state != TARGET_HALTED)
1127 return ERROR_TARGET_NOT_HALTED;
1130 for (i = 0; i < bank->num_sectors; i++)
1133 bank->sectors[i].is_erased = 1;
1135 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1139 chunk = buffer_size;
1140 if (chunk > (j - bank->sectors[i].size))
1142 chunk = (j - bank->sectors[i].size);
1145 retval = target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1146 if (retval != ERROR_OK)
1149 for (nBytes = 0; nBytes < chunk; nBytes++)
1151 if (buffer[nBytes] != 0xFF)
1153 bank->sectors[i].is_erased = 0;
1163 int default_flash_blank_check(struct flash_bank_s *bank)
1165 target_t *target = bank->target;
1171 if (bank->target->state != TARGET_HALTED)
1173 return ERROR_TARGET_NOT_HALTED;
1176 for (i = 0; i < bank->num_sectors; i++)
1178 u32 address = bank->base + bank->sectors[i].offset;
1179 u32 size = bank->sectors[i].size;
1181 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1187 bank->sectors[i].is_erased = 1;
1189 bank->sectors[i].is_erased = 0;
1195 LOG_USER("Running slow fallback erase check - add working memory");
1196 return default_flash_mem_blank_check(bank);