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 * This program is free software; you can redistribute it and/or modify *
9 * it under the terms of the GNU General Public License as published by *
10 * the Free Software Foundation; either version 2 of the License, or *
11 * (at your option) any later version. *
13 * This program is distributed in the hope that it will be useful, *
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16 * GNU General Public License for more details. *
18 * You should have received a copy of the GNU General Public License *
19 * along with this program; if not, write to the *
20 * Free Software Foundation, Inc., *
21 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
22 ***************************************************************************/
30 #include "time_support.h"
35 #include "algorithm.h"
36 #include "binarybuffer.h"
42 #include <sys/types.h>
47 /* command handlers */
48 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
49 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
50 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
51 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
52 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
53 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
54 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
55 int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
56 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
57 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
58 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
59 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
60 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
64 extern flash_driver_t lpc2000_flash;
65 extern flash_driver_t cfi_flash;
66 extern flash_driver_t at91sam7_flash;
67 extern flash_driver_t str7x_flash;
68 extern flash_driver_t str9x_flash;
69 extern flash_driver_t stellaris_flash;
70 extern flash_driver_t str9xpec_flash;
71 extern flash_driver_t stm32x_flash;
72 extern flash_driver_t tms470_flash;
73 extern flash_driver_t ecosflash_flash;
74 extern flash_driver_t lpc288x_flash;
75 extern flash_driver_t ocl_flash;
77 flash_driver_t *flash_drivers[] =
94 flash_bank_t *flash_banks;
95 static command_t *flash_cmd;
97 /* wafer thin wrapper for invoking the flash driver */
98 static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
102 retval=bank->driver->write(bank, buffer, offset, count);
103 if (retval!=ERROR_OK)
105 LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval);
111 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
115 retval=bank->driver->erase(bank, first, last);
116 if (retval!=ERROR_OK)
118 LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval);
124 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
128 retval=bank->driver->protect(bank, set, first, last);
129 if (retval!=ERROR_OK)
131 LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval);
137 int flash_register_commands(struct command_context_s *cmd_ctx)
139 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
141 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 ...]");
145 static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
150 Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
159 Jim_Obj *list=Jim_NewListObj(interp, NULL, 0);
160 for (p = flash_banks; p; p = p->next)
162 Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0);
164 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
165 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1));
166 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1));
167 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base));
168 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1));
169 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size));
170 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1));
171 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width));
172 Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1));
173 Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width));
175 Jim_ListAppendElement(interp, list, elem);
178 Jim_SetResult(interp, list);
183 int flash_init_drivers(struct command_context_s *cmd_ctx)
187 register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks");
189 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
190 "print info about flash bank <num>");
191 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
192 "identify flash bank <num>");
193 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
194 "check erase state of sectors in flash bank <num>");
195 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
196 "check protection state of sectors in flash bank <num>");
197 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
198 "erase sectors at <bank> <first> <last>");
199 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
200 "erase address range <address> <length>");
202 register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC,
203 "fill with pattern <address> <word_pattern> <count>");
204 register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
205 "fill with pattern <address> <halfword_pattern> <count>");
206 register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
207 "fill with pattern <address> <byte_pattern> <count>");
209 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
210 "write binary data to <bank> <file> <offset>");
211 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
212 "write_image [erase] <file> [offset] [type]");
213 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
214 "set protection of sectors at <bank> <first> <last> <on|off>");
220 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
225 for (p = flash_banks; p; p = p->next)
232 LOG_ERROR("flash bank %d does not exist", num);
236 int flash_get_bank_count(void)
240 for (p = flash_banks; p; p = p->next)
247 flash_bank_t *get_flash_bank_by_num(int num)
249 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
255 retval = p->driver->auto_probe(p);
257 if (retval != ERROR_OK)
259 LOG_ERROR("auto_probe failed %d\n", retval);
265 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
273 return ERROR_COMMAND_SYNTAX_ERROR;
276 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
278 LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
282 for (i = 0; flash_drivers[i]; i++)
284 if (strcmp(args[0], flash_drivers[i]->name) == 0)
288 /* register flash specific commands */
289 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
291 LOG_ERROR("couldn't register '%s' commands", args[0]);
295 c = malloc(sizeof(flash_bank_t));
297 c->driver = flash_drivers[i];
298 c->driver_priv = NULL;
299 c->base = strtoul(args[1], NULL, 0);
300 c->size = strtoul(args[2], NULL, 0);
301 c->chip_width = strtoul(args[3], NULL, 0);
302 c->bus_width = strtoul(args[4], NULL, 0);
307 if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
309 LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
314 /* put flash bank in linked list */
317 /* find last flash bank */
318 for (p = flash_banks; p && p->next; p = p->next);
331 /* no matching flash driver found */
334 LOG_ERROR("flash driver '%s' not found", args[0]);
341 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
350 return ERROR_COMMAND_SYNTAX_ERROR;
353 for (p = flash_banks; p; p = p->next, i++)
355 if (i == strtoul(args[0], NULL, 0))
359 /* attempt auto probe */
360 if ((retval = p->driver->auto_probe(p)) != ERROR_OK)
363 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
364 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
365 for (j = 0; j < p->num_sectors; j++)
369 if (p->sectors[j].is_protected == 0)
370 protect_state = "not protected";
371 else if (p->sectors[j].is_protected == 1)
372 protect_state = "protected";
374 protect_state = "protection state unknown";
376 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
377 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
381 *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */
382 retval = p->driver->info(p, buf, sizeof(buf));
383 command_print(cmd_ctx, "%s", buf);
384 if (retval != ERROR_OK)
385 LOG_ERROR("error retrieving flash info (%d)", retval);
392 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
399 return ERROR_COMMAND_SYNTAX_ERROR;
402 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
405 if ((retval = p->driver->probe(p)) == ERROR_OK)
407 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
409 else if (retval == ERROR_FLASH_BANK_INVALID)
411 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
416 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
422 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
428 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
435 return ERROR_COMMAND_SYNTAX_ERROR;
438 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
442 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
444 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
448 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
452 for (j = 0; j < p->num_sectors; j++)
456 if (p->sectors[j].is_erased == 0)
457 erase_state = "not erased";
458 else if (p->sectors[j].is_erased == 1)
459 erase_state = "erased";
461 erase_state = "erase state unknown";
463 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
464 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
473 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
482 target_t *target = get_current_target(cmd_ctx);
486 return ERROR_COMMAND_SYNTAX_ERROR;
489 address = strtoul(args[0], NULL, 0);
490 length = strtoul(args[1], NULL, 0);
493 command_print(cmd_ctx, "Length must be >0");
494 return ERROR_COMMAND_SYNTAX_ERROR;
497 p = get_flash_bank_by_addr(target, address);
503 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
506 duration_start_measure(&duration);
508 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
510 duration_stop_measure(&duration, &duration_text);
511 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
518 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
525 return ERROR_COMMAND_SYNTAX_ERROR;
528 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
531 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
533 command_print(cmd_ctx, "successfully checked protect state");
535 else if (retval == ERROR_FLASH_OPERATION_FAILED)
537 command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
541 command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
546 return ERROR_COMMAND_SYNTAX_ERROR;
552 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
556 int first = strtoul(args[1], NULL, 0);
557 int last = strtoul(args[2], NULL, 0);
559 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
563 duration_start_measure(&duration);
567 return ERROR_COMMAND_SYNTAX_ERROR;
570 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
572 duration_stop_measure(&duration, &duration_text);
574 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
580 return ERROR_COMMAND_SYNTAX_ERROR;
586 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
590 int first = strtoul(args[1], NULL, 0);
591 int last = strtoul(args[2], NULL, 0);
594 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
597 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
601 if (strcmp(args[3], "on") == 0)
603 else if (strcmp(args[3], "off") == 0)
607 return ERROR_COMMAND_SYNTAX_ERROR;
610 retval = flash_driver_protect(p, set, first, last);
611 if (retval == ERROR_OK)
613 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));
618 return ERROR_COMMAND_SYNTAX_ERROR;
625 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
627 target_t *target = get_current_target(cmd_ctx);
639 return ERROR_COMMAND_SYNTAX_ERROR;
642 /* flash auto-erase is disabled by default*/
645 if (strcmp(args[0], "erase")==0)
650 command_print(cmd_ctx, "auto erase enabled");
656 return ERROR_COMMAND_SYNTAX_ERROR;
661 LOG_ERROR("no target selected");
665 duration_start_measure(&duration);
669 image.base_address_set = 1;
670 image.base_address = strtoul(args[1], NULL, 0);
674 image.base_address_set = 0;
675 image.base_address = 0x0;
678 image.start_address_set = 0;
680 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
681 if (retval != ERROR_OK)
686 retval = flash_write(target, &image, &written, auto_erase);
687 if (retval != ERROR_OK)
693 duration_stop_measure(&duration, &duration_text);
694 if (retval == ERROR_OK)
696 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
697 written, args[0], duration_text,
698 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
707 int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
718 target_t *target = get_current_target(cmd_ctx);
724 return ERROR_COMMAND_SYNTAX_ERROR;
727 address = strtoul(args[0], NULL, 0);
728 pattern = strtoul(args[1], NULL, 0);
729 count = strtoul(args[2], NULL, 0);
747 return ERROR_COMMAND_SYNTAX_ERROR;
750 chunk_count = MIN(count, (1024 / wordsize));
754 for(i = 0; i < chunk_count; i++)
756 target_buffer_set_u32(target, chunk + i * wordsize, pattern);
760 for(i = 0; i < chunk_count; i++)
762 target_buffer_set_u16(target, chunk + i * wordsize, pattern);
766 memset(chunk, pattern, chunk_count);
769 LOG_ERROR("BUG: can't happen");
773 duration_start_measure(&duration);
776 err = flash_erase_address_range( target, address, count*wordsize );
779 for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
781 int cur_size = MIN( (count*wordsize - wrote) , 1024 );
785 bank = get_flash_bank_by_addr(target, address);
791 err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
799 duration_stop_measure(&duration, &duration_text);
804 speed=wrote / 1024.0;
805 speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
806 command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
807 count*wordsize, address, duration_text,
814 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
830 return ERROR_COMMAND_SYNTAX_ERROR;
833 duration_start_measure(&duration);
835 offset = strtoul(args[2], NULL, 0);
836 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
839 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
843 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
848 buffer = malloc(fileio.size);
849 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
852 fileio_close(&fileio);
856 retval = flash_driver_write(p, buffer, offset, buf_cnt);
861 duration_stop_measure(&duration, &duration_text);
862 if (retval!=ERROR_OK)
864 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
865 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
866 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
870 fileio_close(&fileio);
875 void flash_set_dirty(void)
880 /* set all flash to require erasing */
881 for (c = flash_banks; c; c = c->next)
883 for (i = 0; i < c->num_sectors; i++)
885 c->sectors[i].is_erased = 0;
890 /* lookup flash bank by address */
891 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
895 /* cycle through bank list */
896 for (c = flash_banks; c; c = c->next)
899 retval = c->driver->auto_probe(c);
901 if (retval != ERROR_OK)
903 LOG_ERROR("auto_probe failed %d\n", retval);
906 /* check whether address belongs to this flash bank */
907 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
910 LOG_ERROR("No flash at address 0x%08x\n", addr);
914 /* erase given flash region, selects proper bank according to target and address */
915 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
922 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
923 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
925 if (c->size == 0 || c->num_sectors == 0)
927 LOG_ERROR("Bank is invalid");
928 return ERROR_FLASH_BANK_INVALID;
933 /* special case, erase whole bank when length is zero */
935 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
937 return flash_driver_erase(c, 0, c->num_sectors - 1);
940 /* check whether it fits */
941 if (addr + length > c->base + c->size)
942 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
946 for (i = 0; i < c->num_sectors; i++)
948 /* check whether sector overlaps with the given range and is not yet erased */
949 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
950 /* if first is not set yet then this is the first sector */
953 last = i; /* and it is the last one so far in any case */
957 if( first == -1 || last == -1 )
960 return flash_driver_erase(c, first, last);
963 /* write (optional verify) an image to flash memory of the given target */
964 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
981 /* assume all sectors need erasing - stops any problems
982 * when flash_write is called multiple times */
987 /* allocate padding array */
988 padding = malloc(image->num_sections * sizeof(padding));
990 /* loop until we reach end of the image */
991 while (section < image->num_sections)
997 u32 run_address = image->sections[section].base_address + section_offset;
998 u32 run_size = image->sections[section].size - section_offset;
1001 if (image->sections[section].size == 0)
1003 LOG_WARNING("empty section %d", section);
1009 /* find the corresponding flash bank */
1010 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
1012 section++; /* and skip it */
1017 /* collect consecutive sections which fall into the same bank */
1018 section_first = section;
1019 section_last = section;
1020 padding[section] = 0;
1021 while ((run_address + run_size < c->base + c->size)
1022 && (section_last + 1 < image->num_sections))
1024 if (image->sections[section_last + 1].base_address < (run_address + run_size))
1026 LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
1029 /* if we have multiple sections within our image, flash programming could fail due to alignment issues
1030 * attempt to rebuild a consecutive buffer for the flash loader */
1031 pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size);
1032 if ((run_address + run_size + pad_bytes) > (c->base + c->size))
1034 padding[section_last] = pad_bytes;
1035 run_size += image->sections[++section_last].size;
1036 run_size += pad_bytes;
1037 padding[section_last] = 0;
1039 LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes );
1042 /* fit the run into bank constraints */
1043 if (run_address + run_size > c->base + c->size)
1044 run_size = c->base + c->size - run_address;
1046 /* allocate buffer */
1047 buffer = malloc(run_size);
1050 /* read sections to the buffer */
1051 while (buffer_size < run_size)
1055 size_read = run_size - buffer_size;
1056 if (size_read > image->sections[section].size - section_offset)
1057 size_read = image->sections[section].size - section_offset;
1059 if ((retval = image_read_section(image, section, section_offset,
1060 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
1067 /* see if we need to pad the section */
1068 while (padding[section]--)
1069 (buffer+buffer_size)[size_read++] = 0xff;
1071 buffer_size += size_read;
1072 section_offset += size_read;
1074 if (section_offset >= image->sections[section].size)
1085 /* calculate and erase sectors */
1086 retval = flash_erase_address_range( target, run_address, run_size );
1089 if (retval == ERROR_OK)
1091 /* write flash sectors */
1092 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
1097 if (retval != ERROR_OK)
1100 return retval; /* abort operation */
1103 if (written != NULL)
1104 *written += run_size; /* add run size to total written counter */
1112 int default_flash_mem_blank_check(struct flash_bank_s *bank)
1114 target_t *target = bank->target;
1116 int buffer_size = sizeof(buffer);
1120 if (bank->target->state != TARGET_HALTED)
1122 return ERROR_TARGET_NOT_HALTED;
1125 for (i = 0; i < bank->num_sectors; i++)
1128 bank->sectors[i].is_erased = 1;
1130 for (j = 0; j < bank->sectors[i].size; j += buffer_size)
1134 chunk = buffer_size;
1135 if (chunk > (j - bank->sectors[i].size))
1137 chunk = (j - bank->sectors[i].size);
1140 retval = target->type->read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
1141 if (retval != ERROR_OK)
1144 for (nBytes = 0; nBytes < chunk; nBytes++)
1146 if (buffer[nBytes] != 0xFF)
1148 bank->sectors[i].is_erased = 0;
1158 int default_flash_blank_check(struct flash_bank_s *bank)
1160 target_t *target = bank->target;
1166 if (bank->target->state != TARGET_HALTED)
1168 return ERROR_TARGET_NOT_HALTED;
1171 for (i = 0; i < bank->num_sectors; i++)
1173 u32 address = bank->base + bank->sectors[i].offset;
1174 u32 size = bank->sectors[i].size;
1176 if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
1182 bank->sectors[i].is_erased = 1;
1184 bank->sectors[i].is_erased = 0;
1190 LOG_USER("Running slow fallback erase check - add working memory");
1191 return default_flash_mem_blank_check(bank);