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"
45 #include <sys/types.h>
50 /* command handlers */
51 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
62 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
63 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
67 extern flash_driver_t lpc2000_flash;
68 extern flash_driver_t cfi_flash;
69 extern flash_driver_t at91sam7_flash;
70 extern flash_driver_t str7x_flash;
71 extern flash_driver_t str9x_flash;
72 extern flash_driver_t x7026_flash;
73 extern flash_driver_t stellaris_flash;
74 extern flash_driver_t str9xpec_flash;
75 extern flash_driver_t stm32x_flash;
76 extern flash_driver_t tms470_flash;
77 extern flash_driver_t ecosflash_flash;
78 extern flash_driver_t lpc288x_flash;
79 extern flash_driver_t ocl_flash;
81 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");
164 Jim_Obj *list=Jim_NewListObj(interp, NULL, 0);
165 for (p = flash_banks; p; p = p->next)
167 Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0);
169 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
170 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
171 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
172 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
173 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
174 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
175 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
176 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
177 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
178 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
180 Jim_ListAppendElement(interp, list, elem);
183 Jim_SetResult(interp, list);
188 int flash_init_drivers(struct command_context_s *cmd_ctx)
192 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
194 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
195 "print info about flash bank <num>");
196 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
197 "identify flash bank <num>");
198 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
199 "check erase state of sectors in flash bank <num>");
200 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
201 "check protection state of sectors in flash bank <num>");
202 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
203 "erase sectors at <bank> <first> <last>");
204 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
205 "erase address range <address> <length>");
207 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
208 "fill with pattern <address> <word_pattern> <count>");
209 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
210 "fill with pattern <address> <halfword_pattern> <count>");
211 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
212 "fill with pattern <address> <byte_pattern> <count>");
214 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
215 "write binary data to <bank> <file> <offset>");
216 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
217 "write_image [erase] <file> [offset] [type]");
218 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
219 "set protection of sectors at <bank> <first> <last> <on|off>");
225 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
230 for (p = flash_banks; p; p = p->next)
237 LOG_ERROR("flash bank %d does not exist", num);
241 int flash_get_bank_count(void)
245 for (p = flash_banks; p; p = p->next)
252 flash_bank_t *get_flash_bank_by_num(int num)
254 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
260 retval = p->driver->auto_probe(p);
262 if (retval != ERROR_OK)
264 LOG_ERROR("auto_probe failed %d\n", retval);
270 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
279 return ERROR_COMMAND_SYNTAX_ERROR;
282 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
284 LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
288 for (i = 0; flash_drivers[i]; i++)
290 if (strcmp(args[0], flash_drivers[i]->name) == 0)
294 /* register flash specific commands */
295 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
297 LOG_ERROR("couldn't register '%s' commands", args[0]);
301 c = malloc(sizeof(flash_bank_t));
303 c->driver = flash_drivers[i];
304 c->driver_priv = NULL;
305 c->base = strtoul(args[1], NULL, 0);
306 c->size = strtoul(args[2], NULL, 0);
307 c->chip_width = strtoul(args[3], NULL, 0);
308 c->bus_width = strtoul(args[4], NULL, 0);
313 if ((retval=flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
315 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
320 /* put flash bank in linked list */
323 /* find last flash bank */
324 for (p = flash_banks; p && p->next; p = p->next);
337 /* no matching flash driver found */
340 LOG_ERROR("flash driver '%s' not found", args[0]);
347 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
356 return ERROR_COMMAND_SYNTAX_ERROR;
359 for (p = flash_banks; p; p = p->next, i++)
361 if (i == strtoul(args[0], NULL, 0))
365 /* attempt auto probe */
366 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
369 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
370 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
371 for (j = 0; j < p->num_sectors; j++)
375 if (p->sectors[j].is_protected == 0)
376 protect_state = "not protected";
377 else if (p->sectors[j].is_protected == 1)
378 protect_state = "protected";
380 protect_state = "protection state unknown";
382 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
383 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
387 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
388 retval = p->driver->info(p, buf, sizeof(buf));
389 command_print(cmd_ctx, "%s", buf);
390 if (retval != ERROR_OK)
391 LOG_ERROR("error retrieving flash info (%d)", retval);
398 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
405 return ERROR_COMMAND_SYNTAX_ERROR;
408 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
411 if ((retval = p->driver->probe(p)) == ERROR_OK)
413 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
415 else if (retval == ERROR_FLASH_BANK_INVALID)
417 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
422 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
428 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
434 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
441 return ERROR_COMMAND_SYNTAX_ERROR;
444 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
448 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
450 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
454 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
458 for (j = 0; j < p->num_sectors; j++)
462 if (p->sectors[j].is_erased == 0)
463 erase_state = "not erased";
464 else if (p->sectors[j].is_erased == 1)
465 erase_state = "erased";
467 erase_state = "erase state unknown";
469 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
470 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
479 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
488 target_t *target = get_current_target(cmd_ctx);
492 return ERROR_COMMAND_SYNTAX_ERROR;
495 address = strtoul(args[0], NULL, 0);
496 length = strtoul(args[1], NULL, 0);
499 command_print(cmd_ctx, "Length must be >0");
500 return ERROR_COMMAND_SYNTAX_ERROR;
503 p = get_flash_bank_by_addr(target, address);
509 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
512 duration_start_measure(&duration);
514 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
516 duration_stop_measure(&duration, &duration_text);
517 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
524 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 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 duration_stop_measure(&duration, &duration_text);
580 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
586 return ERROR_COMMAND_SYNTAX_ERROR;
592 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
596 int first = strtoul(args[1], NULL, 0);
597 int last = strtoul(args[2], NULL, 0);
600 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
603 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
607 if (strcmp(args[3], "on") == 0)
609 else if (strcmp(args[3], "off") == 0)
613 return ERROR_COMMAND_SYNTAX_ERROR;
616 retval = flash_driver_protect(p, set, first, last);
617 if (retval == ERROR_OK)
619 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));
624 return ERROR_COMMAND_SYNTAX_ERROR;
631 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
633 target_t *target = get_current_target(cmd_ctx);
645 return ERROR_COMMAND_SYNTAX_ERROR;
648 /* flash auto-erase is disabled by default*/
651 if (strcmp(args[0], "erase")==0)
656 command_print(cmd_ctx, "auto erase enabled");
662 return ERROR_COMMAND_SYNTAX_ERROR;
667 LOG_ERROR("no target selected");
671 duration_start_measure(&duration);
675 image.base_address_set = 1;
676 image.base_address = strtoul(args[1], NULL, 0);
680 image.base_address_set = 0;
681 image.base_address = 0x0;
684 image.start_address_set = 0;
686 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
687 if (retval != ERROR_OK)
692 retval = flash_write(target, &image, &written, auto_erase);
693 if (retval != ERROR_OK)
699 duration_stop_measure(&duration, &duration_text);
700 if (retval == ERROR_OK)
702 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
703 written, args[0], duration_text,
704 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
713 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
724 target_t *target = get_current_target(cmd_ctx);
730 return ERROR_COMMAND_SYNTAX_ERROR;
733 address = strtoul(args[0], NULL, 0);
734 pattern = strtoul(args[1], NULL, 0);
735 count = strtoul(args[2], NULL, 0);
753 return ERROR_COMMAND_SYNTAX_ERROR;
756 chunk_count = MIN(count, (1024 / wordsize));
760 for(i = 0; i < chunk_count; i++)
762 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
766 for(i = 0; i < chunk_count; i++)
768 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
772 memset(chunk, pattern, chunk_count);
775 LOG_ERROR("BUG: can't happen");
779 duration_start_measure(&duration);
782 err = flash_erase_address_range( target, address, count*wordsize );
785 for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
787 int cur_size = MIN( (count*wordsize - wrote) , 1024 );
791 bank = get_flash_bank_by_addr(target, address);
797 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
805 duration_stop_measure(&duration, &duration_text);
810 speed=wrote / 1024.0;
811 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
812 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
813 count*wordsize, address, duration_text,
820 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
836 return ERROR_COMMAND_SYNTAX_ERROR;
839 duration_start_measure(&duration);
841 offset = strtoul(args[2], NULL, 0);
842 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
845 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
849 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
854 buffer = malloc(fileio.size);
855 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
858 fileio_close(&fileio);
862 retval = flash_driver_write(p, buffer, offset, buf_cnt);
867 duration_stop_measure(&duration, &duration_text);
868 if (retval!=ERROR_OK)
870 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
871 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
872 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
876 fileio_close(&fileio);
881 void flash_set_dirty(void)
886 /* set all flash to require erasing */
887 for (c = flash_banks; c; c = c->next)
889 for (i = 0; i < c->num_sectors; i++)
891 c->sectors[i].is_erased = 0;
896 /* lookup flash bank by address */
897 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
901 /* cycle through bank list */
902 for (c = flash_banks; c; c = c->next)
905 retval = c->driver->auto_probe(c);
907 if (retval != ERROR_OK)
909 LOG_ERROR("auto_probe failed %d\n", retval);
912 /* check whether address belongs to this flash bank */
913 if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
916 LOG_ERROR("No flash at address 0x%08x\n", addr);
920 /* erase given flash region, selects proper bank according to target and address */
921 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
928 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
929 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
931 if (c->size == 0 || c->num_sectors == 0)
933 LOG_ERROR("Bank is invalid");
934 return ERROR_FLASH_BANK_INVALID;
939 /* special case, erase whole bank when length is zero */
941 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
943 return flash_driver_erase(c, 0, c->num_sectors - 1);
946 /* check whether it fits */
947 if (addr + length > c->base + c->size)
948 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
952 for (i = 0; i < c->num_sectors; i++)
954 /* check whether sector overlaps with the given range and is not yet erased */
955 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
956 /* if first is not set yet then this is the first sector */
959 last = i; /* and it is the last one so far in any case */
963 if( first == -1 || last == -1 )
966 return flash_driver_erase(c, first, last);
969 /* write (optional verify) an image to flash memory of the given target */
970 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
987 /* assume all sectors need erasing - stops any problems
988 * when flash_write is called multiple times */
993 /* allocate padding array */
994 padding = malloc(image->num_sections * sizeof(padding));
996 /* loop until we reach end of the image */
997 while (section < image->num_sections)
1003 u32 run_address = image->sections[section].base_address + section_offset;
1004 u32 run_size = image->sections[section].size - section_offset;
1007 if (image->sections[section].size == 0)
1009 LOG_WARNING("empty section %d", section);
1015 /* find the corresponding flash bank */
1016 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1018 section++; /* and skip it */
1023 /* collect consecutive sections which fall into the same bank */
1024 section_first = section;
1025 section_last = section;
1026 padding[section] = 0;
1027 while ((run_address + run_size < c->base + c->size)
1028 && (section_last + 1 < image->num_sections))
1030 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1032 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1035 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1036 * attempt to rebuild a consecutive buffer for the flash loader */
1037 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1038 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1040 padding[section_last] = pad_bytes;
1041 run_size += image->sections[++section_last].size;
1042 run_size += pad_bytes;
1043 padding[section_last] = 0;
1045 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes );
1048 /* fit the run into bank constraints */
1049 if (run_address + run_size > c->base + c->size)
1050 run_size = c->base + c->size - run_address;
1052 /* allocate buffer */
1053 buffer = malloc(run_size);
1056 /* read sections to the buffer */
1057 while (buffer_size < run_size)
1061 size_read = run_size - buffer_size;
1062 if (size_read > image->sections[section].size - section_offset)
1063 size_read = image->sections[section].size - section_offset;
1065 if ((retval = image_read_section(image, section, section_offset,
1066 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1073 /* see if we need to pad the section */
1074 while (padding[section]--)
1075 (buffer+buffer_size)[size_read++] = 0xff;
1077 buffer_size += size_read;
1078 section_offset += size_read;
1080 if (section_offset >= image->sections[section].size)
1091 /* calculate and erase sectors */
1092 retval = flash_erase_address_range( target, run_address, run_size );
1095 if (retval == ERROR_OK)
1097 /* write flash sectors */
1098 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1103 if (retval != ERROR_OK)
1106 return retval; /* abort operation */
1109 if (written != NULL)
1110 *written += run_size; /* add run size to total written counter */
1118 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1120 target_t *target = bank->target;
1122 int buffer_size = sizeof(buffer);
1126 if (bank->target->state != TARGET_HALTED)
1128 LOG_ERROR("Target not halted");
1129 return ERROR_TARGET_NOT_HALTED;
1132 for (i = 0; i < bank->num_sectors; i++)
1135 bank->sectors[i].is_erased = 1;
1137 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1141 chunk = buffer_size;
1142 if (chunk > (j - bank->sectors[i].size))
1144 chunk = (j - bank->sectors[i].size);
1147 retval = target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1148 if (retval != ERROR_OK)
1151 for (nBytes = 0; nBytes < chunk; nBytes++)
1153 if (buffer[nBytes] != 0xFF)
1155 bank->sectors[i].is_erased = 0;
1165 int default_flash_blank_check(struct flash_bank_s *bank)
1167 target_t *target = bank->target;
1173 if (bank->target->state != TARGET_HALTED)
1175 LOG_ERROR("Target not halted");
1176 return ERROR_TARGET_NOT_HALTED;
1179 for (i = 0; i < bank->num_sectors; i++)
1181 u32 address = bank->base + bank->sectors[i].offset;
1182 u32 size = bank->sectors[i].size;
1184 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1190 bank->sectors[i].is_erased = 1;
1192 bank->sectors[i].is_erased = 0;
1198 LOG_USER("Running slow fallback erase check - add working memory");
1199 return default_flash_mem_blank_check(bank);