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 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
61 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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 aduc702x_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;
78 extern flash_driver_t pic32mx_flash;
79 extern flash_driver_t avr_flash;
81 flash_driver_t *flash_drivers[] = {
100 flash_bank_t *flash_banks;
101 static command_t *flash_cmd;
103 /* wafer thin wrapper for invoking the flash driver */
104 static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
108 retval=bank->driver->write(bank, buffer, offset, count);
109 if (retval!=ERROR_OK)
111 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval);
117 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
121 retval=bank->driver->erase(bank, first, last);
122 if (retval!=ERROR_OK)
124 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
130 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
134 retval=bank->driver->protect(bank, set, first, last);
135 if (retval!=ERROR_OK)
137 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
143 int flash_register_commands(struct command_context_s *cmd_ctx)
145 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
147 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 ...]");
151 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
156 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);
165 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
166 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
167 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
168 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
169 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
170 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
171 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
172 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
173 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
174 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
176 Jim_ListAppendElement(interp, list, elem);
179 Jim_SetResult(interp, list);
184 int flash_init_drivers(struct command_context_s *cmd_ctx)
186 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
190 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
191 "print info about flash bank <num>");
192 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
193 "identify flash bank <num>");
194 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
195 "check erase state of sectors in flash bank <num>");
196 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
197 "check protection state of sectors in flash bank <num>");
198 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
199 "erase sectors at <bank> <first> <last>");
200 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
201 "erase address range <address> <length>");
203 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
204 "fill with pattern (no autoerase) <address> <word_pattern> <count>");
205 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
206 "fill with pattern <address> <halfword_pattern> <count>");
207 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
208 "fill with pattern <address> <byte_pattern> <count>");
210 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
211 "write binary data to <bank> <file> <offset>");
212 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
213 "write_image [erase] <file> [offset] [type]");
214 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
215 "set protection of sectors at <bank> <first> <last> <on|off>");
221 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
226 for (p = flash_banks; p; p = p->next)
233 LOG_ERROR("flash bank %d does not exist", num);
237 int flash_get_bank_count(void)
241 for (p = flash_banks; p; p = p->next)
248 flash_bank_t *get_flash_bank_by_num(int num)
250 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
256 retval = p->driver->auto_probe(p);
258 if (retval != ERROR_OK)
260 LOG_ERROR("auto_probe failed %d\n", retval);
266 static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
275 return ERROR_COMMAND_SYNTAX_ERROR;
278 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
280 LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
284 for (i = 0; flash_drivers[i]; i++)
286 if (strcmp(args[0], flash_drivers[i]->name) == 0)
290 /* register flash specific commands */
291 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
293 LOG_ERROR("couldn't register '%s' commands", args[0]);
297 c = malloc(sizeof(flash_bank_t));
299 c->driver = flash_drivers[i];
300 c->driver_priv = NULL;
301 c->base = strtoul(args[1], NULL, 0);
302 c->size = strtoul(args[2], NULL, 0);
303 c->chip_width = strtoul(args[3], NULL, 0);
304 c->bus_width = strtoul(args[4], NULL, 0);
309 if ((retval=flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK)
311 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
316 /* put flash bank in linked list */
320 /* find last flash bank */
321 for (p = flash_banks; p && p->next; p = p->next) bank_num++;
324 c->bank_number = bank_num + 1;
336 /* no matching flash driver found */
339 LOG_ERROR("flash driver '%s' not found", args[0]);
346 static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
355 return ERROR_COMMAND_SYNTAX_ERROR;
358 for (p = flash_banks; p; p = p->next, i++)
360 if (i == strtoul(args[0], NULL, 0))
364 /* attempt auto probe */
365 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
368 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
369 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
370 for (j = 0; j < p->num_sectors; j++)
374 if (p->sectors[j].is_protected == 0)
375 protect_state = "not protected";
376 else if (p->sectors[j].is_protected == 1)
377 protect_state = "protected";
379 protect_state = "protection state unknown";
381 command_print(cmd_ctx, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
382 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
386 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
387 retval = p->driver->info(p, buf, sizeof(buf));
388 command_print(cmd_ctx, "%s", buf);
389 if (retval != ERROR_OK)
390 LOG_ERROR("error retrieving flash info (%d)", retval);
397 static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
404 return ERROR_COMMAND_SYNTAX_ERROR;
407 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
410 if ((retval = p->driver->probe(p)) == ERROR_OK)
412 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
414 else if (retval == ERROR_FLASH_BANK_INVALID)
416 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
421 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
427 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
433 static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
440 return ERROR_COMMAND_SYNTAX_ERROR;
443 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
447 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
449 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
453 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
457 for (j = 0; j < p->num_sectors; j++)
461 if (p->sectors[j].is_erased == 0)
462 erase_state = "not erased";
463 else if (p->sectors[j].is_erased == 1)
464 erase_state = "erased";
466 erase_state = "erase state unknown";
468 command_print(cmd_ctx, "\t#%3i: 0x%8.8x (0x%x %ikB) %s",
469 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
477 static 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 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
518 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
525 static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
532 return ERROR_COMMAND_SYNTAX_ERROR;
535 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
538 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
540 command_print(cmd_ctx, "successfully checked protect state");
542 else if (retval == ERROR_FLASH_OPERATION_FAILED)
544 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
548 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
553 return ERROR_COMMAND_SYNTAX_ERROR;
559 static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
563 int first = strtoul(args[1], NULL, 0);
564 int last = strtoul(args[2], NULL, 0);
566 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
570 duration_start_measure(&duration);
574 return ERROR_COMMAND_SYNTAX_ERROR;
577 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
579 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
584 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
590 return ERROR_COMMAND_SYNTAX_ERROR;
596 static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
600 int first = strtoul(args[1], NULL, 0);
601 int last = strtoul(args[2], NULL, 0);
604 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
607 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
611 if (strcmp(args[3], "on") == 0)
613 else if (strcmp(args[3], "off") == 0)
617 return ERROR_COMMAND_SYNTAX_ERROR;
620 retval = flash_driver_protect(p, set, first, last);
621 if (retval == ERROR_OK)
623 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));
628 return ERROR_COMMAND_SYNTAX_ERROR;
635 static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
637 target_t *target = get_current_target(cmd_ctx);
645 int retval, retvaltemp;
649 return ERROR_COMMAND_SYNTAX_ERROR;
652 /* flash auto-erase is disabled by default*/
655 if (strcmp(args[0], "erase")==0)
660 command_print(cmd_ctx, "auto erase enabled");
665 return ERROR_COMMAND_SYNTAX_ERROR;
670 LOG_ERROR("no target selected");
674 duration_start_measure(&duration);
678 image.base_address_set = 1;
679 image.base_address = strtoul(args[1], NULL, 0);
683 image.base_address_set = 0;
684 image.base_address = 0x0;
687 image.start_address_set = 0;
689 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
690 if (retval != ERROR_OK)
695 retval = flash_write(target, &image, &written, auto_erase);
696 if (retval != ERROR_OK)
702 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
707 if (retval == ERROR_OK)
709 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
710 written, args[0], duration_text,
711 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
720 static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
722 int err = ERROR_OK, retval;
733 target_t *target = get_current_target(cmd_ctx);
739 return ERROR_COMMAND_SYNTAX_ERROR;
742 address = strtoul(args[0], NULL, 0);
743 pattern = strtoul(args[1], NULL, 0);
744 count = strtoul(args[2], NULL, 0);
761 return ERROR_COMMAND_SYNTAX_ERROR;
764 chunk_count = MIN(count, (1024 / wordsize));
768 for(i = 0; i < chunk_count; i++)
770 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
774 for(i = 0; i < chunk_count; i++)
776 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
780 memset(chunk, pattern, chunk_count);
783 LOG_ERROR("BUG: can't happen");
787 duration_start_measure(&duration);
789 for (wrote=0; wrote<(count*wordsize); wrote += cur_size)
791 cur_size = MIN( (count*wordsize - wrote), sizeof(chunk) );
793 bank = get_flash_bank_by_addr(target, address);
798 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
802 err = target_read_buffer(target, address + wrote, cur_size, readback);
807 for (i=0; i<cur_size; i++)
809 if (readback[i]!=chunk[i])
811 LOG_ERROR("Verfication error address 0x%08x, read back 0x%02x, expected 0x%02x", address + wrote + i, readback[i], chunk[i]);
818 if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
826 speed=wrote / 1024.0;
827 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
828 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
829 count*wordsize, address, duration_text,
836 static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
847 int retval, retvaltemp;
852 return ERROR_COMMAND_SYNTAX_ERROR;
855 duration_start_measure(&duration);
857 offset = strtoul(args[2], NULL, 0);
858 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
861 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
865 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
870 buffer = malloc(fileio.size);
871 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
874 fileio_close(&fileio);
878 retval = flash_driver_write(p, buffer, offset, buf_cnt);
883 if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
885 fileio_close(&fileio);
888 if (retval==ERROR_OK)
890 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
891 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
892 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
896 fileio_close(&fileio);
901 void flash_set_dirty(void)
906 /* set all flash to require erasing */
907 for (c = flash_banks; c; c = c->next)
909 for (i = 0; i < c->num_sectors; i++)
911 c->sectors[i].is_erased = 0;
916 /* lookup flash bank by address */
917 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
921 /* cycle through bank list */
922 for (c = flash_banks; c; c = c->next)
925 retval = c->driver->auto_probe(c);
927 if (retval != ERROR_OK)
929 LOG_ERROR("auto_probe failed %d\n", retval);
932 /* check whether address belongs to this flash bank */
933 if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target)
936 LOG_ERROR("No flash at address 0x%08x\n", addr);
940 /* erase given flash region, selects proper bank according to target and address */
941 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
948 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
949 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
951 if (c->size == 0 || c->num_sectors == 0)
953 LOG_ERROR("Bank is invalid");
954 return ERROR_FLASH_BANK_INVALID;
959 /* special case, erase whole bank when length is zero */
961 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
963 return flash_driver_erase(c, 0, c->num_sectors - 1);
966 /* check whether it fits */
967 if (addr + length - 1 > c->base + c->size - 1)
968 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
972 for (i = 0; i < c->num_sectors; i++)
974 /* check whether sector overlaps with the given range and is not yet erased */
975 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
976 /* if first is not set yet then this is the first sector */
979 last = i; /* and it is the last one so far in any case */
983 if( first == -1 || last == -1 )
986 return flash_driver_erase(c, first, last);
989 /* write (optional verify) an image to flash memory of the given target */
990 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
1007 /* assume all sectors need erasing - stops any problems
1008 * when flash_write is called multiple times */
1013 /* allocate padding array */
1014 padding = malloc(image->num_sections * sizeof(padding));
1016 /* loop until we reach end of the image */
1017 while (section < image->num_sections)
1023 u32 run_address = image->sections[section].base_address + section_offset;
1024 u32 run_size = image->sections[section].size - section_offset;
1027 if (image->sections[section].size == 0)
1029 LOG_WARNING("empty section %d", section);
1035 /* find the corresponding flash bank */
1036 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1038 section++; /* and skip it */
1043 /* collect consecutive sections which fall into the same bank */
1044 section_first = section;
1045 section_last = section;
1046 padding[section] = 0;
1047 while ((run_address + run_size - 1 < c->base + c->size - 1)
1048 && (section_last + 1 < image->num_sections))
1050 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1052 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1055 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1056 * attempt to rebuild a consecutive buffer for the flash loader */
1057 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1058 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1060 padding[section_last] = pad_bytes;
1061 run_size += image->sections[++section_last].size;
1062 run_size += pad_bytes;
1063 padding[section_last] = 0;
1065 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes );
1068 /* fit the run into bank constraints */
1069 if (run_address + run_size - 1 > c->base + c->size - 1)
1071 LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \
1072 c->base + c->size - run_address, run_size, c->size);
1073 run_size = c->base + c->size - run_address;
1076 /* allocate buffer */
1077 buffer = malloc(run_size);
1080 /* read sections to the buffer */
1081 while (buffer_size < run_size)
1085 size_read = run_size - buffer_size;
1086 if (size_read > image->sections[section].size - section_offset)
1087 size_read = image->sections[section].size - section_offset;
1089 if ((retval = image_read_section(image, section, section_offset,
1090 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1097 /* see if we need to pad the section */
1098 while (padding[section]--)
1099 (buffer+buffer_size)[size_read++] = 0xff;
1101 buffer_size += size_read;
1102 section_offset += size_read;
1104 if (section_offset >= image->sections[section].size)
1115 /* calculate and erase sectors */
1116 retval = flash_erase_address_range( target, run_address, run_size );
1119 if (retval == ERROR_OK)
1121 /* write flash sectors */
1122 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1127 if (retval != ERROR_OK)
1130 return retval; /* abort operation */
1133 if (written != NULL)
1134 *written += run_size; /* add run size to total written counter */
1142 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1144 target_t *target = bank->target;
1146 int buffer_size = sizeof(buffer);
1150 if (bank->target->state != TARGET_HALTED)
1152 LOG_ERROR("Target not halted");
1153 return ERROR_TARGET_NOT_HALTED;
1156 for (i = 0; i < bank->num_sectors; i++)
1159 bank->sectors[i].is_erased = 1;
1161 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1165 chunk = buffer_size;
1166 if (chunk > (j - bank->sectors[i].size))
1168 chunk = (j - bank->sectors[i].size);
1171 retval = target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1172 if (retval != ERROR_OK)
1175 for (nBytes = 0; nBytes < chunk; nBytes++)
1177 if (buffer[nBytes] != 0xFF)
1179 bank->sectors[i].is_erased = 0;
1189 int default_flash_blank_check(struct flash_bank_s *bank)
1191 target_t *target = bank->target;
1197 if (bank->target->state != TARGET_HALTED)
1199 LOG_ERROR("Target not halted");
1200 return ERROR_TARGET_NOT_HALTED;
1203 for (i = 0; i < bank->num_sectors; i++)
1205 u32 address = bank->base + bank->sectors[i].offset;
1206 u32 size = bank->sectors[i].size;
1208 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1214 bank->sectors[i].is_erased = 1;
1216 bank->sectors[i].is_erased = 0;
1222 LOG_USER("Running slow fallback erase check - add working memory");
1223 return default_flash_mem_blank_check(bank);