X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fflash%2Fnor%2Ftcl.c;h=34681db146af746d17121252e5ecd04a57a0387a;hb=69b0021846fd5b3ded5dc3ed85b9d1aef331900f;hp=8a30e1cd995a95eb43755b2f6a904d30de100ed7;hpb=24d9f0cfa0ee84e927d84957cab22c6571fa3185;p=openocd.git diff --git a/src/flash/nor/tcl.c b/src/flash/nor/tcl.c index 8a30e1cd99..34681db146 100644 --- a/src/flash/nor/tcl.c +++ b/src/flash/nor/tcl.c @@ -3,6 +3,7 @@ * Copyright (C) 2007,2008 Øyvind Harboe * * Copyright (C) 2008 by Spencer Oliver * * Copyright (C) 2009 Zachary T Welch * + * Copyright (C) 2017-2018 Tomas Vanek * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * @@ -15,9 +16,7 @@ * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * + * along with this program. If not, see . * ***************************************************************************/ #ifdef HAVE_CONFIG_H #include "config.h" @@ -72,16 +71,27 @@ COMMAND_HANDLER(handle_flash_info_command) struct flash_bank *p; int j = 0; int retval; + bool show_sectors = false; + bool prot_block_available; - if (CMD_ARGC != 1) + if (CMD_ARGC < 1 || CMD_ARGC > 2) return ERROR_COMMAND_SYNTAX_ERROR; + if (CMD_ARGC == 2) { + if (strcmp("sectors", CMD_ARGV[1]) == 0) + show_sectors = true; + else + return ERROR_COMMAND_SYNTAX_ERROR; + } + retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p); if (retval != ERROR_OK) return retval; if (p != NULL) { char buf[1024]; + int num_blocks; + struct flash_sector *block_array; /* attempt auto probe */ retval = p->driver->auto_probe(p); @@ -102,22 +112,32 @@ COMMAND_HANDLER(handle_flash_info_command) p->size, p->bus_width, p->chip_width); - for (j = 0; j < p->num_sectors; j++) { - char *protect_state; - if (p->sectors[j].is_protected == 0) + prot_block_available = p->num_prot_blocks && p->prot_blocks; + if (!show_sectors && prot_block_available) { + block_array = p->prot_blocks; + num_blocks = p->num_prot_blocks; + } else { + block_array = p->sectors; + num_blocks = p->num_sectors; + } + + for (j = 0; j < num_blocks; j++) { + char *protect_state = ""; + + if (block_array[j].is_protected == 0) protect_state = "not protected"; - else if (p->sectors[j].is_protected == 1) + else if (block_array[j].is_protected == 1) protect_state = "protected"; - else + else if (!show_sectors || !prot_block_available) protect_state = "protection state unknown"; command_print(CMD_CTX, "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s", j, - p->sectors[j].offset, - p->sectors[j].size, - p->sectors[j].size >> 10, + block_array[j].offset, + block_array[j].size, + block_array[j].size >> 10, protect_state); } @@ -162,6 +182,7 @@ COMMAND_HANDLER(handle_flash_probe_command) COMMAND_HANDLER(handle_flash_erase_check_command) { + bool blank = true; if (CMD_ARGC != 1) return ERROR_COMMAND_SYNTAX_ERROR; @@ -187,10 +208,11 @@ COMMAND_HANDLER(handle_flash_erase_check_command) if (p->sectors[j].is_erased == 0) erase_state = "not erased"; else if (p->sectors[j].is_erased == 1) - erase_state = "erased"; + continue; else erase_state = "erase state unknown"; + blank = false; command_print(CMD_CTX, "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIi32 "kB) %s", j, @@ -200,6 +222,8 @@ COMMAND_HANDLER(handle_flash_erase_check_command) erase_state); } + if (blank) + command_print(CMD_CTX, "\tBank is erased"); return retval; } @@ -274,8 +298,8 @@ static int flash_check_sector_parameters(struct command_context *cmd_ctx, } if (!(last <= (num_sectors - 1))) { - command_print(cmd_ctx, "ERROR: last sector must be <= %d", - (int) num_sectors - 1); + command_print(cmd_ctx, "ERROR: last sector must be <= %" PRIu32, + num_sectors - 1); return ERROR_FAIL; } @@ -318,7 +342,7 @@ COMMAND_HANDLER(handle_flash_erase_command) "in %fs", first, last, p->bank_number, duration_elapsed(&bench)); } - return ERROR_OK; + return retval; } COMMAND_HANDLER(handle_flash_protect_command) @@ -331,30 +355,35 @@ COMMAND_HANDLER(handle_flash_protect_command) struct flash_bank *p; int retval; + int num_blocks; retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p); if (retval != ERROR_OK) return retval; + if (p->num_prot_blocks) + num_blocks = p->num_prot_blocks; + else + num_blocks = p->num_sectors; + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first); if (strcmp(CMD_ARGV[2], "last") == 0) - last = p->num_sectors - 1; + last = num_blocks - 1; else COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last); bool set; COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set); - retval = flash_check_sector_parameters(CMD_CTX, first, last, p->num_sectors); + retval = flash_check_sector_parameters(CMD_CTX, first, last, num_blocks); if (retval != ERROR_OK) return retval; retval = flash_driver_protect(p, set, first, last); if (retval == ERROR_OK) { - command_print(CMD_CTX, "%s protection for sectors %i " - "through %i on flash bank %d", - (set) ? "set" : "cleared", (int) first, - (int) last, p->bank_number); + command_print(CMD_CTX, "%s protection for sectors %" PRIu32 + " through %" PRIu32 " on flash bank %d", + (set) ? "set" : "cleared", first, last, p->bank_number); } return retval; @@ -432,42 +461,29 @@ COMMAND_HANDLER(handle_flash_write_image_command) COMMAND_HANDLER(handle_flash_fill_command) { - int err = ERROR_OK; - uint32_t address; + target_addr_t address; uint32_t pattern; uint32_t count; - uint32_t wrote = 0; - uint32_t cur_size = 0; - uint32_t chunk_count; struct target *target = get_current_target(CMD_CTX); unsigned i; uint32_t wordsize; - int retval = ERROR_OK; - - static size_t const chunksize = 1024; - uint8_t *chunk = NULL, *readback = NULL; + int retval; - if (CMD_ARGC != 3) { - retval = ERROR_COMMAND_SYNTAX_ERROR; - goto done; - } + if (CMD_ARGC != 3) + return ERROR_COMMAND_SYNTAX_ERROR; +#if BUILD_TARGET64 + COMMAND_PARSE_NUMBER(u64, CMD_ARGV[0], address); +#else COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address); +#endif COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern); COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count); - chunk = malloc(chunksize); - if (chunk == NULL) - return ERROR_FAIL; - - readback = malloc(chunksize); - if (readback == NULL) { - free(chunk); - return ERROR_FAIL; - } - - if (count == 0) - goto done; + struct flash_bank *bank; + retval = get_flash_bank_by_addr(target, address, true, &bank); + if (retval != ERROR_OK) + return retval; switch (CMD_NAME[4]) { case 'w': @@ -480,73 +496,109 @@ COMMAND_HANDLER(handle_flash_fill_command) wordsize = 1; break; default: - retval = ERROR_COMMAND_SYNTAX_ERROR; - goto done; + return ERROR_COMMAND_SYNTAX_ERROR; + } + + if (count == 0) + return ERROR_OK; + + if (address + count >= bank->base + bank->size) { + LOG_ERROR("Cannot cross flash bank borders"); + return ERROR_FAIL; + } + + uint32_t size_bytes = count * wordsize; + target_addr_t aligned_start = flash_write_align_start(bank, address); + target_addr_t end_addr = address + size_bytes - 1; + target_addr_t aligned_end = flash_write_align_end(bank, end_addr); + uint32_t aligned_size = aligned_end + 1 - aligned_start; + uint32_t padding_at_start = address - aligned_start; + uint32_t padding_at_end = aligned_end - end_addr; + + uint8_t *buffer = malloc(aligned_size); + if (buffer == NULL) + return ERROR_FAIL; + + if (padding_at_start) { + memset(buffer, bank->default_padded_value, padding_at_start); + LOG_WARNING("Start address " TARGET_ADDR_FMT + " breaks the required alignment of flash bank %s", + address, bank->name); + LOG_WARNING("Padding %" PRId32 " bytes from " TARGET_ADDR_FMT, + padding_at_start, aligned_start); } - chunk_count = MIN(count, (chunksize / wordsize)); + uint8_t *ptr = buffer + padding_at_start; + switch (wordsize) { case 4: - for (i = 0; i < chunk_count; i++) - target_buffer_set_u32(target, chunk + i * wordsize, pattern); + for (i = 0; i < count; i++, ptr += wordsize) + target_buffer_set_u32(target, ptr, pattern); break; case 2: - for (i = 0; i < chunk_count; i++) - target_buffer_set_u16(target, chunk + i * wordsize, pattern); + for (i = 0; i < count; i++, ptr += wordsize) + target_buffer_set_u16(target, ptr, pattern); break; case 1: - memset(chunk, pattern, chunk_count); + memset(ptr, pattern, count); + ptr += count; break; default: LOG_ERROR("BUG: can't happen"); exit(-1); } + if (padding_at_end) { + memset(ptr, bank->default_padded_value, padding_at_end); + LOG_INFO("Padding at " TARGET_ADDR_FMT " with %" PRId32 + " bytes (bank write end alignment)", + end_addr + 1, padding_at_end); + } + struct duration bench; duration_start(&bench); - for (wrote = 0; wrote < (count*wordsize); wrote += cur_size) { - struct flash_bank *bank; + retval = flash_driver_write(bank, buffer, aligned_start - bank->base, aligned_size); + if (retval != ERROR_OK) + goto done; - retval = get_flash_bank_by_addr(target, address, true, &bank); - if (retval != ERROR_OK) - goto done; + retval = flash_driver_read(bank, buffer, address - bank->base, size_bytes); + if (retval != ERROR_OK) + goto done; - cur_size = MIN((count * wordsize - wrote), chunksize); - err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size); - if (err != ERROR_OK) { - retval = err; - goto done; - } + for (i = 0, ptr = buffer; i < count; i++) { + uint32_t readback = 0; - err = flash_driver_read(bank, readback, address - bank->base + wrote, cur_size); - if (err != ERROR_OK) { - retval = err; - goto done; + switch (wordsize) { + case 4: + readback = target_buffer_get_u32(target, ptr); + break; + case 2: + readback = target_buffer_get_u16(target, ptr); + break; + case 1: + readback = *ptr; + break; } - - for (i = 0; i < cur_size; i++) { - if (readback[i] != chunk[i]) { - LOG_ERROR( - "Verification error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x", - address + wrote + i, - readback[i], - chunk[i]); - retval = ERROR_FAIL; - goto done; - } + if (readback != pattern) { + LOG_ERROR( + "Verification error address " TARGET_ADDR_FMT + ", read back 0x%02" PRIx32 ", expected 0x%02" PRIx32, + address + i * wordsize, readback, pattern); + retval = ERROR_FAIL; + goto done; } + ptr += wordsize; } if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) { - command_print(CMD_CTX, "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32 - " in %fs (%0.3f KiB/s)", wrote, address, - duration_elapsed(&bench), duration_kbps(&bench, wrote)); + command_print(CMD_CTX, "wrote %" PRIu32 " bytes to " TARGET_ADDR_FMT + " in %fs (%0.3f KiB/s)", size_bytes, address, + duration_elapsed(&bench), duration_kbps(&bench, size_bytes)); } done: - free(readback); - free(chunk); + free(buffer); return retval; } @@ -555,57 +607,112 @@ COMMAND_HANDLER(handle_flash_write_bank_command) { uint32_t offset; uint8_t *buffer; - struct fileio fileio; + size_t length; + struct fileio *fileio; - if (CMD_ARGC != 3) + if (CMD_ARGC < 2 || CMD_ARGC > 3) return ERROR_COMMAND_SYNTAX_ERROR; struct duration bench; duration_start(&bench); - struct flash_bank *p; - int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p); + struct flash_bank *bank; + int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank); if (ERROR_OK != retval) return retval; - COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset); + offset = 0; + + if (CMD_ARGC > 2) + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset); + + if (offset > bank->size) { + LOG_ERROR("Offset 0x%8.8" PRIx32 " is out of range of the flash bank", + offset); + return ERROR_COMMAND_ARGUMENT_INVALID; + } if (fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK) - return ERROR_OK; + return ERROR_FAIL; size_t filesize; - retval = fileio_size(&fileio, &filesize); + retval = fileio_size(fileio, &filesize); if (retval != ERROR_OK) { - fileio_close(&fileio); + fileio_close(fileio); return retval; } - buffer = malloc(filesize); + length = MIN(filesize, bank->size - offset); + + if (!length) { + LOG_INFO("Nothing to write to flash bank"); + fileio_close(fileio); + return ERROR_OK; + } + + if (length != filesize) + LOG_INFO("File content exceeds flash bank size. Only writing the " + "first %zu bytes of the file", length); + + target_addr_t start_addr = bank->base + offset; + target_addr_t aligned_start = flash_write_align_start(bank, start_addr); + target_addr_t end_addr = start_addr + length - 1; + target_addr_t aligned_end = flash_write_align_end(bank, end_addr); + uint32_t aligned_size = aligned_end + 1 - aligned_start; + uint32_t padding_at_start = start_addr - aligned_start; + uint32_t padding_at_end = aligned_end - end_addr; + + buffer = malloc(aligned_size); if (buffer == NULL) { - fileio_close(&fileio); + fileio_close(fileio); LOG_ERROR("Out of memory"); return ERROR_FAIL; } + + if (padding_at_start) { + memset(buffer, bank->default_padded_value, padding_at_start); + LOG_WARNING("Start offset 0x%08" PRIx32 + " breaks the required alignment of flash bank %s", + offset, bank->name); + LOG_WARNING("Padding %" PRId32 " bytes from " TARGET_ADDR_FMT, + padding_at_start, aligned_start); + } + + uint8_t *ptr = buffer + padding_at_start; size_t buf_cnt; - if (fileio_read(&fileio, filesize, buffer, &buf_cnt) != ERROR_OK) { + if (fileio_read(fileio, length, ptr, &buf_cnt) != ERROR_OK) { free(buffer); - fileio_close(&fileio); - return ERROR_OK; + fileio_close(fileio); + return ERROR_FAIL; + } + + if (buf_cnt != length) { + LOG_ERROR("Short read"); + free(buffer); + return ERROR_FAIL; + } + + ptr += length; + + if (padding_at_end) { + memset(ptr, bank->default_padded_value, padding_at_end); + LOG_INFO("Padding at " TARGET_ADDR_FMT " with %" PRId32 + " bytes (bank write end alignment)", + end_addr + 1, padding_at_end); } - retval = flash_driver_write(p, buffer, offset, buf_cnt); + retval = flash_driver_write(bank, buffer, aligned_start - bank->base, aligned_size); free(buffer); - buffer = NULL; if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) { command_print(CMD_CTX, "wrote %zu bytes from file %s to flash bank %u" " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)", - filesize, CMD_ARGV[1], p->bank_number, offset, - duration_elapsed(&bench), duration_kbps(&bench, filesize)); + length, CMD_ARGV[1], bank->bank_number, offset, + duration_elapsed(&bench), duration_kbps(&bench, length)); } - fileio_close(&fileio); + fileio_close(fileio); return retval; } @@ -614,11 +721,11 @@ COMMAND_HANDLER(handle_flash_read_bank_command) { uint32_t offset; uint8_t *buffer; - struct fileio fileio; + struct fileio *fileio; uint32_t length; size_t written; - if (CMD_ARGC != 4) + if (CMD_ARGC < 2 || CMD_ARGC > 4) return ERROR_COMMAND_SYNTAX_ERROR; struct duration bench; @@ -626,11 +733,31 @@ COMMAND_HANDLER(handle_flash_read_bank_command) struct flash_bank *p; int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p); + if (ERROR_OK != retval) return retval; - COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset); - COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], length); + offset = 0; + + if (CMD_ARGC > 2) + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset); + + if (offset > p->size) { + LOG_ERROR("Offset 0x%8.8" PRIx32 " is out of range of the flash bank", + offset); + return ERROR_COMMAND_ARGUMENT_INVALID; + } + + length = p->size - offset; + + if (CMD_ARGC > 3) + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], length); + + if (offset + length > p->size) { + LOG_ERROR("Length of %" PRIu32 " bytes with offset 0x%8.8" PRIx32 + " is out of range of the flash bank", length, offset); + return ERROR_COMMAND_ARGUMENT_INVALID; + } buffer = malloc(length); if (buffer == NULL) { @@ -652,8 +779,8 @@ COMMAND_HANDLER(handle_flash_read_bank_command) return retval; } - retval = fileio_write(&fileio, length, buffer, &written); - fileio_close(&fileio); + retval = fileio_write(fileio, length, buffer, &written); + fileio_close(fileio); free(buffer); if (retval != ERROR_OK) { LOG_ERROR("Could not write file"); @@ -661,9 +788,9 @@ COMMAND_HANDLER(handle_flash_read_bank_command) } if (duration_measure(&bench) == ERROR_OK) - command_print(CMD_CTX, "wrote %ld bytes to file %s from flash bank %u" + command_print(CMD_CTX, "wrote %zd bytes to file %s from flash bank %u" " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)", - (long)written, CMD_ARGV[1], p->bank_number, offset, + written, CMD_ARGV[1], p->bank_number, offset, duration_elapsed(&bench), duration_kbps(&bench, written)); return retval; @@ -674,12 +801,13 @@ COMMAND_HANDLER(handle_flash_verify_bank_command) { uint32_t offset; uint8_t *buffer_file, *buffer_flash; - struct fileio fileio; + struct fileio *fileio; size_t read_cnt; size_t filesize; + size_t length; int differ; - if (CMD_ARGC != 3) + if (CMD_ARGC < 2 || CMD_ARGC > 3) return ERROR_COMMAND_SYNTAX_ERROR; struct duration bench; @@ -690,7 +818,16 @@ COMMAND_HANDLER(handle_flash_verify_bank_command) if (ERROR_OK != retval) return retval; - COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset); + offset = 0; + + if (CMD_ARGC > 2) + COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset); + + if (offset > p->size) { + LOG_ERROR("Offset 0x%8.8" PRIx32 " is out of range of the flash bank", + offset); + return ERROR_COMMAND_ARGUMENT_INVALID; + } retval = fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY); if (retval != ERROR_OK) { @@ -698,41 +835,53 @@ COMMAND_HANDLER(handle_flash_verify_bank_command) return retval; } - retval = fileio_size(&fileio, &filesize); + retval = fileio_size(fileio, &filesize); if (retval != ERROR_OK) { - fileio_close(&fileio); + fileio_close(fileio); return retval; } - buffer_file = malloc(filesize); + length = MIN(filesize, p->size - offset); + + if (!length) { + LOG_INFO("Nothing to compare with flash bank"); + fileio_close(fileio); + return ERROR_OK; + } + + if (length != filesize) + LOG_INFO("File content exceeds flash bank size. Only comparing the " + "first %zu bytes of the file", length); + + buffer_file = malloc(length); if (buffer_file == NULL) { LOG_ERROR("Out of memory"); - fileio_close(&fileio); + fileio_close(fileio); return ERROR_FAIL; } - retval = fileio_read(&fileio, filesize, buffer_file, &read_cnt); - fileio_close(&fileio); + retval = fileio_read(fileio, length, buffer_file, &read_cnt); + fileio_close(fileio); if (retval != ERROR_OK) { LOG_ERROR("File read failure"); free(buffer_file); return retval; } - if (read_cnt != filesize) { + if (read_cnt != length) { LOG_ERROR("Short read"); free(buffer_file); return ERROR_FAIL; } - buffer_flash = malloc(filesize); + buffer_flash = malloc(length); if (buffer_flash == NULL) { LOG_ERROR("Out of memory"); free(buffer_file); return ERROR_FAIL; } - retval = flash_driver_read(p, buffer_flash, offset, read_cnt); + retval = flash_driver_read(p, buffer_flash, offset, length); if (retval != ERROR_OK) { LOG_ERROR("Flash read error"); free(buffer_flash); @@ -741,17 +890,17 @@ COMMAND_HANDLER(handle_flash_verify_bank_command) } if (duration_measure(&bench) == ERROR_OK) - command_print(CMD_CTX, "read %ld bytes from file %s and flash bank %u" + command_print(CMD_CTX, "read %zd bytes from file %s and flash bank %u" " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)", - (long)read_cnt, CMD_ARGV[1], p->bank_number, offset, - duration_elapsed(&bench), duration_kbps(&bench, read_cnt)); + length, CMD_ARGV[1], p->bank_number, offset, + duration_elapsed(&bench), duration_kbps(&bench, length)); - differ = memcmp(buffer_file, buffer_flash, read_cnt); + differ = memcmp(buffer_file, buffer_flash, length); command_print(CMD_CTX, "contents %s", differ ? "differ" : "match"); if (differ) { uint32_t t; int diffs = 0; - for (t = 0; t < read_cnt; t++) { + for (t = 0; t < length; t++) { if (buffer_flash[t] == buffer_file[t]) continue; command_print(CMD_CTX, "diff %d address 0x%08x. Was 0x%02x instead of 0x%02x", @@ -811,7 +960,7 @@ static const struct command_registration flash_exec_command_handlers[] = { .name = "info", .handler = handle_flash_info_command, .mode = COMMAND_EXEC, - .usage = "bank_id", + .usage = "bank_id ['sectors']", .help = "Print information about a flash bank.", }, { @@ -871,10 +1020,9 @@ static const struct command_registration flash_exec_command_handlers[] = { .name = "write_bank", .handler = handle_flash_write_bank_command, .mode = COMMAND_EXEC, - .usage = "bank_id filename offset", - .help = "Write binary data from file to flash bank, " - "starting at specified byte offset from the " - "beginning of the bank.", + .usage = "bank_id filename [offset]", + .help = "Write binary data from file to flash bank. Allow optional " + "offset from beginning of the bank (defaults to zero).", }, { .name = "write_image", @@ -889,28 +1037,28 @@ static const struct command_registration flash_exec_command_handlers[] = { .name = "read_bank", .handler = handle_flash_read_bank_command, .mode = COMMAND_EXEC, - .usage = "bank_id filename offset length", - .help = "Read binary data from flash bank to file, " - "starting at specified byte offset from the " - "beginning of the bank.", + .usage = "bank_id filename [offset [length]]", + .help = "Read binary data from flash bank to file. Allow optional " + "offset from beginning of the bank (defaults to zero).", }, { .name = "verify_bank", .handler = handle_flash_verify_bank_command, .mode = COMMAND_EXEC, - .usage = "bank_id filename offset", - .help = "Read binary data from flash bank and file, " - "starting at specified byte offset from the " - "beginning of the bank. Compare the contents.", + .usage = "bank_id filename [offset]", + .help = "Compare the contents of a file with the contents of the " + "flash bank. Allow optional offset from beginning of the bank " + "(defaults to zero).", }, { .name = "protect", .handler = handle_flash_protect_command, .mode = COMMAND_EXEC, - .usage = "bank_id first_sector [last_sector|'last'] " + .usage = "bank_id first_block [last_block|'last'] " "('on'|'off')", - .help = "Turn protection on or off for a range of sectors " - "in a given flash bank.", + .help = "Turn protection on or off for a range of protection " + "blocks or sectors in a given flash bank. " + "See 'flash info' output for a list of blocks.", }, { .name = "padded_value", @@ -974,19 +1122,16 @@ COMMAND_HANDLER(handle_flash_bank_command) } } - struct flash_bank *c = malloc(sizeof(*c)); + struct flash_bank *c = calloc(1, sizeof(*c)); c->name = strdup(bank_name); c->target = target; c->driver = driver; - c->driver_priv = NULL; COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base); COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size); COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width); COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width); - c->default_padded_value = 0xff; - c->num_sectors = 0; - c->sectors = NULL; - c->next = NULL; + c->default_padded_value = c->erased_value = 0xff; + c->minimal_write_gap = FLASH_WRITE_GAP_SECTOR; int retval; retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);