X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fflash%2Fflash.c;h=cae099b55cd437e04558639c06d47093569e8a4c;hb=edc0db163aafc78b68ad23878225703742425df5;hp=f5c83f80c43ffdc43cdd8e6cd60758f1af0a63ab;hpb=cb582796539d35920e918bec2d0118eb3736d40e;p=openocd.git diff --git a/src/flash/flash.c b/src/flash/flash.c index f5c83f80c4..cae099b55c 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -23,9 +23,11 @@ #include "flash.h" #include "command.h" -#include "log.h" #include "target.h" #include "time_support.h" +#include "fileio.h" +#include "image.h" +#include "log.h" #include #include @@ -33,8 +35,7 @@ #include #include #include - -#include +#include /* command handlers */ int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); @@ -42,10 +43,15 @@ int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, cha int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +int handle_flash_write_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr); /* flash drivers */ @@ -54,6 +60,10 @@ extern flash_driver_t cfi_flash; extern flash_driver_t at91sam7_flash; extern flash_driver_t str7x_flash; extern flash_driver_t str9x_flash; +extern flash_driver_t stellaris_flash; +extern flash_driver_t str9xpec_flash; +extern flash_driver_t stm32x_flash; +extern flash_driver_t tms470_flash; flash_driver_t *flash_drivers[] = { @@ -62,22 +72,28 @@ flash_driver_t *flash_drivers[] = &at91sam7_flash, &str7x_flash, &str9x_flash, + &stellaris_flash, + &str9xpec_flash, + &stm32x_flash, + &tms470_flash, NULL, }; flash_bank_t *flash_banks; static command_t *flash_cmd; +static int auto_erase = 0; int flash_register_commands(struct command_context_s *cmd_ctx) { flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL); register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, NULL); - + register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY, + "auto erase flash sectors "); return ERROR_OK; } -int flash_init(struct command_context_s *cmd_ctx) +int flash_init_drivers(struct command_context_s *cmd_ctx) { if (flash_banks) { @@ -92,9 +108,17 @@ int flash_init(struct command_context_s *cmd_ctx) register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC, "check protection state of sectors in flash bank "); register_command(cmd_ctx, flash_cmd, "erase", handle_flash_erase_command, COMMAND_EXEC, + "DEPRECATED, use 'erase_sector' instead"); + register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC, "erase sectors at "); - register_command(cmd_ctx, flash_cmd, "write", handle_flash_write_command, COMMAND_EXEC, + register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC, + "erase address range
"); + register_command(cmd_ctx, flash_cmd, "write", handle_flash_write_binary_command, COMMAND_EXEC, + "DEPRECATED, use 'write_binary' instead"); + register_command(cmd_ctx, flash_cmd, "write_binary", handle_flash_write_binary_command, COMMAND_EXEC, "write binary "); + register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC, + "write_image [offset] [type]"); register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC, "set protection of sectors at "); } @@ -102,7 +126,7 @@ int flash_init(struct command_context_s *cmd_ctx) return ERROR_OK; } -flash_bank_t *get_flash_bank_by_num(int num) +flash_bank_t *get_flash_bank_by_num_noprobe(int num) { flash_bank_t *p; int i = 0; @@ -118,16 +142,42 @@ flash_bank_t *get_flash_bank_by_num(int num) return NULL; } -/* flash_bank [driver_options ...] +flash_bank_t *get_flash_bank_by_num(int num) +{ + flash_bank_t *p = get_flash_bank_by_num_noprobe(num); + int retval; + + if (p == NULL) + return NULL; + + retval = p->driver->auto_probe(p); + + if (retval != ERROR_OK) + { + ERROR("auto_probe failed %d\n", retval); + return NULL; + } + return p; +} + +/* flash_bank [driver_options ...] */ int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { int i; int found = 0; + target_t *target; - if (argc < 5) + if (argc < 6) { WARNING("incomplete flash_bank configuration"); + WARNING("flash_bank [driver_options ...]"); + return ERROR_OK; + } + + if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL) + { + ERROR("target %lu not defined", strtoul(args[5], NULL, 0)); return ERROR_OK; } @@ -145,12 +195,15 @@ int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char } c = malloc(sizeof(flash_bank_t)); + c->target = target; c->driver = flash_drivers[i]; c->driver_priv = NULL; c->base = strtoul(args[1], NULL, 0); c->size = strtoul(args[2], NULL, 0); c->chip_width = strtoul(args[3], NULL, 0); c->bus_width = strtoul(args[4], NULL, 0); + c->num_sectors = 0; + c->sectors = NULL; c->next = NULL; if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK) @@ -219,12 +272,15 @@ int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char return ERROR_OK; } - for (p = flash_banks; p; p = p->next) + for (p = flash_banks; p; p = p->next, i++) { - if (i++ == strtoul(args[0], NULL, 0)) + if (i == strtoul(args[0], NULL, 0)) { char buf[1024]; + /* attempt auto probe */ + p->driver->auto_probe(p); + command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i", i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width); for (j = 0; j < p->num_sectors; j++) @@ -245,8 +301,8 @@ int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char else protect_state = "protection state unknown"; - command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%xkB) %s, %s", - j, p->sectors[j].offset, p->sectors[j].size, + command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s", + j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10, erase_state, protect_state); } @@ -269,7 +325,7 @@ int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, cha return ERROR_OK; } - p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); + p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0)); if (p) { if ((retval = p->driver->probe(p)) == ERROR_OK) @@ -327,6 +383,76 @@ int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cm return ERROR_OK; } +int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + flash_bank_t *p; + int retval; + int address; + int length; + duration_t duration; + char *duration_text; + + target_t *target = get_current_target(cmd_ctx); + + if (argc != 2) + { + command_print(cmd_ctx, "usage: flash erase_address
"); + return ERROR_OK; + } + + address = strtoul(args[0], NULL, 0); + length = strtoul(args[1], NULL, 0); + if (length <= 0) + { + command_print(cmd_ctx, "Length must be >0"); + return ERROR_INVALID_ARGUMENTS; + } + + p = get_flash_bank_by_addr(target, address); + if (p == NULL) + { + command_print(cmd_ctx, "No flash at that address"); + return ERROR_INVALID_ARGUMENTS; + } + + /* We can't know if we did a resume + halt, in which case we no longer know the erased state */ + flash_set_dirty(); + + duration_start_measure(&duration); + + if ((retval = flash_erase_address_range(target, address, length)) != ERROR_OK) + { + switch (retval) + { + case ERROR_TARGET_NOT_HALTED: + command_print(cmd_ctx, "can't work with this flash while target is running"); + break; + case ERROR_INVALID_ARGUMENTS: + command_print(cmd_ctx, "usage: flash erase_address
"); + break; + case ERROR_FLASH_BANK_INVALID: + command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base); + break; + case ERROR_FLASH_OPERATION_FAILED: + command_print(cmd_ctx, "flash erase error"); + break; + case ERROR_FLASH_SECTOR_INVALID: + command_print(cmd_ctx, "sector number(s) invalid"); + break; + default: + command_print(cmd_ctx, "unknown error"); + } + } + else + { + duration_stop_measure(&duration, &duration_text); + command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text); + free(duration_text); + } + + return retval; +} + int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { flash_bank_t *p; @@ -370,9 +496,10 @@ int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, cha int last = strtoul(args[2], NULL, 0); int retval; flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - struct timeval start, end, duration; - - gettimeofday(&start, NULL); + duration_t duration; + char *duration_text; + + duration_start_measure(&duration); if (!p) { @@ -408,10 +535,10 @@ int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, cha } else { - gettimeofday(&end, NULL); - timeval_subtract(&duration, &end, &start); - - command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %is %ius", first, last, strtoul(args[0], 0, 0), duration.tv_sec, duration.tv_usec); + duration_stop_measure(&duration, &duration_text); + + command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text); + free(duration_text); } } else @@ -486,16 +613,102 @@ int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, c return ERROR_OK; } -int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + target_t *target = get_current_target(cmd_ctx); + + image_t image; + u32 written; + char *error_str; + int *failed; + + int i; + + duration_t duration; + char *duration_text; + + int retval; + + if (argc < 1) + { + command_print(cmd_ctx, "usage: flash %s [offset] [type]", cmd); + return ERROR_INVALID_ARGUMENTS; + } + + if (!target) + { + ERROR("no target selected"); + return ERROR_OK; + } + + duration_start_measure(&duration); + + if (argc >= 2) + { + image.base_address_set = 1; + image.base_address = strtoul(args[1], NULL, 0); + } + else + { + image.base_address_set = 0; + image.base_address = 0x0; + } + + image.start_address_set = 0; + + retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL); + if (retval != ERROR_OK) + { + command_print(cmd_ctx, "image_open error: %s", image.error_str); + return retval; + } + + failed = malloc(sizeof(int) * image.num_sections); + + error_str = NULL; + + retval = flash_write(target, &image, &written, &error_str, failed, auto_erase); + + if (retval != ERROR_OK) + { + if (error_str) + { + command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str); + free(error_str); + } + image_close(&image); + free(failed); + return retval; + } + + for (i = 0; i < image.num_sections; i++) + { + if (failed[i]) + { + command_print(cmd_ctx, "didn't write section at 0x%8.8x, size 0x%8.8x", + image.sections[i].base_address, image.sections[i].size); + } + } + + duration_stop_measure(&duration, &duration_text); + command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)", + written, args[0], duration_text, + (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0))); + free(duration_text); + free(failed); + + image_close(&image); + + return ERROR_OK; +} + +int handle_flash_write_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { u32 offset; - u32 binary_size; u8 *buffer; u32 buf_cnt; - fileio_t file; - fileio_image_t image_info; - enum fileio_sec_type sec_type; + fileio_t fileio; duration_t duration; char *duration_text; @@ -505,14 +718,12 @@ int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, cha if (argc < 3) { - command_print(cmd_ctx, "usage: flash write [type]"); + command_print(cmd_ctx, "usage: flash write_binary "); return ERROR_OK; } duration_start_measure(&duration); - fileio_identify_image_type(&sec_type, (argc == 4) ? args[3] : NULL); - offset = strtoul(args[2], NULL, 0); p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); if (!p) @@ -521,25 +732,24 @@ int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, cha return ERROR_OK; } - image_info.base_address = strtoul(args[2], NULL, 0); - image_info.has_start_address = 0; - - if (fileio_open(&file, args[1], FILEIO_READ, - FILEIO_IMAGE, &image_info, sec_type) != ERROR_OK) + if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK) { - command_print(cmd_ctx, "flash write error: %s", file.error_str); + command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str); return ERROR_OK; } - binary_size = file.size; - buffer = malloc(binary_size); - - fileio_read(&file, binary_size, buffer, &buf_cnt); + buffer = malloc(fileio.size); + if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK) + { + command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str); + return ERROR_OK; + } if ((retval = p->driver->write(p, buffer, offset, buf_cnt)) != ERROR_OK) { command_print(cmd_ctx, "failed writing file %s to flash bank %i at offset 0x%8.8x", args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0)); + switch (retval) { case ERROR_TARGET_NOT_HALTED: @@ -567,16 +777,299 @@ int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, cha command_print(cmd_ctx, "unknown error"); } } - else + + free(buffer); + + duration_stop_measure(&duration, &duration_text); + command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)", + fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text, + (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0))); + free(duration_text); + + fileio_close(&fileio); + + return ERROR_OK; +} + +void flash_set_dirty(void) +{ + flash_bank_t *c; + int i; + + /* set all flash to require erasing */ + for (c = flash_banks; c; c = c->next) { - duration_stop_measure(&duration, &duration_text); - command_print(cmd_ctx, "wrote file %s to flash bank %i at offset 0x%8.8x in %s", - file.url, strtoul(args[0], NULL, 0), offset, duration_text); - free(duration_text); + for (i = 0; i < c->num_sectors; i++) + { + c->sectors[i].is_erased = 0; + } + } +} + +/* lookup flash bank by address */ +flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr) +{ + flash_bank_t *c; + + /* cycle through bank list */ + for (c = flash_banks; c; c = c->next) + { + int retval; + retval = c->driver->auto_probe(c); + + if (retval != ERROR_OK) + { + ERROR("auto_probe failed %d\n", retval); + return NULL; + } + /* check whether address belongs to this flash bank */ + if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target) + return c; } + + return NULL; +} + +/* erase given flash region, selects proper bank according to target and address */ +int flash_erase_address_range(target_t *target, u32 addr, u32 length) +{ + flash_bank_t *c; + int first = -1; + int last = -1; + int i; - free(buffer); - fileio_close(&file); + if ((c = get_flash_bank_by_addr(target, addr)) == NULL) + return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */ + + if (c->size == 0 || c->num_sectors == 0) + return ERROR_FLASH_BANK_INVALID; + + if (length == 0) + { + /* special case, erase whole bank when length is zero */ + if (addr != c->base) + return ERROR_FLASH_DST_BREAKS_ALIGNMENT; + + return c->driver->erase(c, 0, c->num_sectors - 1); + } + + /* check whether it fits */ + if (addr + length > c->base + c->size) + return ERROR_FLASH_DST_BREAKS_ALIGNMENT; + + addr -= c->base; + + for (i = 0; i < c->num_sectors; i++) + { + /* check whether sector overlaps with the given range and is not yet erased */ + if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) { + /* if first is not set yet then this is the first sector */ + if (first == -1) + first = i; + last = i; /* and it is the last one so far in any case */ + } + } + + if( first == -1 || last == -1 ) + return ERROR_OK; + + return c->driver->erase(c, first, last); +} + +/* write (optional verify) an image to flash memory of the given target */ +int flash_write(target_t *target, image_t *image, u32 *written, char **error_str, int *failed, int erase) +{ + int retval; + int i; + + int section; + u32 section_offset; + flash_bank_t *c; + + section = 0; + section_offset = 0; + + if (written) + *written = 0; + + if (failed != NULL) + for (i = 0; i < image->num_sections; i++) + failed[i] = 0; + + if (erase) + { + /* assume all sectors need erasing - stops any problems + * when flash_write is called multiple times */ + + flash_set_dirty(); + } + + /* loop until we reach end of the image */ + while (section < image->num_sections) + { + u32 buffer_size; + u8 *buffer; + int section_first; + int section_last; + u32 run_address = image->sections[section].base_address + section_offset; + u32 run_size = image->sections[section].size - section_offset; + + if (image->sections[section].size == 0) + { + WARNING("empty section %d", section); + section++; + section_offset = 0; + continue; + } + + /* find the corresponding flash bank */ + if ((c = get_flash_bank_by_addr(target, run_address)) == NULL) + { + if (failed == NULL) + { + if (error_str == NULL) + return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */ + *error_str = malloc(FLASH_MAX_ERROR_STR); + snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address"); + return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */ + } + failed[section] = ERROR_FLASH_DST_OUT_OF_BANK; /* mark the section as failed */ + section++; /* and skip it */ + section_offset = 0; + continue; + } + + /* collect consecutive sections which fall into the same bank */ + section_first = section; + section_last = section; + while ((run_address + run_size < c->base + c->size) + && (section_last + 1 < image->num_sections)) + { + if (image->sections[section_last + 1].base_address < (run_address + run_size)) + { + DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1); + break; + } + if (image->sections[section_last + 1].base_address != (run_address + run_size)) + break; + run_size += image->sections[++section_last].size; + } + + /* fit the run into bank constraints */ + if (run_address + run_size > c->base + c->size) + run_size = c->base + c->size - run_address; + + /* allocate buffer */ + buffer = malloc(run_size); + buffer_size = 0; + + /* read sections to the buffer */ + while (buffer_size < run_size) + { + u32 size_read; + + if (buffer_size - run_size <= image->sections[section].size - section_offset) + size_read = buffer_size - run_size; + else + size_read = image->sections[section].size - section_offset; + + if ((retval = image_read_section(image, section, section_offset, + size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0) + { + free(buffer); + + if (error_str == NULL) + return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE; + + *error_str = malloc(FLASH_MAX_ERROR_STR); + + /* if image_read_section returned an error there's an error string we can pass on */ + if (retval != ERROR_OK) + snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image: %s", image->error_str); + else + snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image"); + + return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE; + } + + buffer_size += size_read; + section_offset += size_read; + + if (section_offset >= image->sections[section].size) + { + section++; + section_offset = 0; + } + } + + retval = ERROR_OK; + + if (erase) + { + /* calculate and erase sectors */ + retval = flash_erase_address_range( target, run_address, run_size ); + } + + if (retval == ERROR_OK) + { + /* write flash sectors */ + retval = c->driver->write(c, buffer, run_address - c->base, run_size); + } + + free(buffer); + + if (retval != ERROR_OK) + { + if (error_str == NULL) + return retval; /* abort operation */ + + *error_str = malloc(FLASH_MAX_ERROR_STR); + switch (retval) + { + case ERROR_TARGET_NOT_HALTED: + snprintf(*error_str, FLASH_MAX_ERROR_STR, "can't flash image while target is running"); + break; + case ERROR_INVALID_ARGUMENTS: + snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash driver can't fulfill request"); + break; + case ERROR_FLASH_OPERATION_FAILED: + snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash program error"); + break; + case ERROR_FLASH_DST_BREAKS_ALIGNMENT: + snprintf(*error_str, FLASH_MAX_ERROR_STR, "offset breaks required alignment"); + break; + case ERROR_FLASH_DST_OUT_OF_BANK: + snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address"); + break; + case ERROR_FLASH_SECTOR_NOT_ERASED: + snprintf(*error_str, FLASH_MAX_ERROR_STR, "destination sector(s) not erased"); + break; + default: + snprintf(*error_str, FLASH_MAX_ERROR_STR, "unknown error: %i", retval); + } + + return retval; /* abort operation */ + } + + if (written != NULL) + *written += run_size; /* add run size to total written counter */ + } + + return ERROR_OK; +} + +int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc != 1) + { + command_print(cmd_ctx, "usage: flash auto_erase "); + return ERROR_OK; + } + + if (strcmp(args[0], "on") == 0) + auto_erase = 1; + else if (strcmp(args[0], "off") == 0) + auto_erase = 0; return ERROR_OK; }