diff options
Diffstat (limited to 'src/flash/flash.c')
-rw-r--r-- | src/flash/flash.c | 2016 |
1 files changed, 945 insertions, 1071 deletions
diff --git a/src/flash/flash.c b/src/flash/flash.c index dc87f5d..416cac4 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -1,1071 +1,945 @@ -/*************************************************************************** - * Copyright (C) 2005 by Dominic Rath * - * Dominic.Rath@gmx.de * - * * - * 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 * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * 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., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - ***************************************************************************/ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "flash.h" -#include "command.h" -#include "target.h" -#include "time_support.h" -#include "fileio.h" -#include "image.h" -#include "log.h" - -#include <string.h> -#include <unistd.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> -#include <inttypes.h> - -/* command handlers */ -int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -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 - */ -extern flash_driver_t lpc2000_flash; -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[] = -{ - &lpc2000_flash, - &cfi_flash, - &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, "flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]"); - register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY, - "auto erase flash sectors <on|off>"); - return ERROR_OK; -} - -int flash_init_drivers(struct command_context_s *cmd_ctx) -{ - if (flash_banks) - { - register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC, - "list configured flash banks "); - register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC, - "print info about flash bank <num>"); - register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC, - "identify flash bank <num>"); - register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC, - "check erase state of sectors in flash bank <num>"); - register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC, - "check protection state of sectors in flash bank <num>"); - 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 <bank> <first> <last>"); - register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC, - "erase address range <address> <length>"); - 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 <bank> <file> <offset>"); - register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC, - "write_image <file> [offset] [type]"); - register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC, - "set protection of sectors at <bank> <first> <last> <on|off>"); - } - - return ERROR_OK; -} - -flash_bank_t *get_flash_bank_by_num_noprobe(int num) -{ - flash_bank_t *p; - int i = 0; - - for (p = flash_banks; p; p = p->next) - { - if (i++ == num) - { - return p; - } - } - - return NULL; -} - -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; -} - -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 < 6) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - 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; - } - - for (i = 0; flash_drivers[i]; i++) - { - if (strcmp(args[0], flash_drivers[i]->name) == 0) - { - flash_bank_t *p, *c; - - /* register flash specific commands */ - if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK) - { - ERROR("couldn't register '%s' commands", args[0]); - exit(-1); - } - - 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) - { - ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base); - free(c); - return ERROR_OK; - } - - /* put flash bank in linked list */ - if (flash_banks) - { - /* find last flash bank */ - for (p = flash_banks; p && p->next; p = p->next); - if (p) - p->next = c; - } - else - { - flash_banks = c; - } - - found = 1; - } - } - - /* no matching flash driver found */ - if (!found) - { - ERROR("flash driver '%s' not found", args[0]); - exit(-1); - } - - return ERROR_OK; -} - -int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int i = 0; - - if (!flash_banks) - { - command_print(cmd_ctx, "no flash banks configured"); - return ERROR_OK; - } - - for (p = flash_banks; p; p = p->next) - { - 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); - } - - return ERROR_OK; -} - -int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int i = 0; - int j = 0; - - if (argc != 1) - { - command_print(cmd_ctx, "usage: flash info <num>"); - return ERROR_OK; - } - - for (p = flash_banks; p; p = p->next, i++) - { - 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++) - { - char *erase_state, *protect_state; - - if (p->sectors[j].is_erased == 0) - erase_state = "not erased"; - else if (p->sectors[j].is_erased == 1) - erase_state = "erased"; - else - erase_state = "erase state unknown"; - - if (p->sectors[j].is_protected == 0) - protect_state = "not protected"; - else if (p->sectors[j].is_protected == 1) - protect_state = "protected"; - else - protect_state = "protection state unknown"; - - 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); - } - - p->driver->info(p, buf, 1024); - command_print(cmd_ctx, "%s", buf); - } - } - - return ERROR_OK; -} - -int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int retval; - - if (argc != 1) - { - command_print(cmd_ctx, "usage: flash probe <num>"); - return ERROR_OK; - } - - p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0)); - if (p) - { - if ((retval = p->driver->probe(p)) == ERROR_OK) - { - command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base); - } - else if (retval == ERROR_FLASH_BANK_INVALID) - { - command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x", - args[0], p->base); - } - else - { - command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x", - args[0], p->base); - } - } - else - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - } - - return ERROR_OK; -} - -int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int retval; - - if (argc != 1) - { - command_print(cmd_ctx, "usage: flash erase_check <num>"); - return ERROR_OK; - } - - p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - if (p) - { - if ((retval = p->driver->erase_check(p)) == ERROR_OK) - { - command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base); - } - else - { - command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x", - args[0], p->base); - } - } - else - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - } - - 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 <address> <length>"); - 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 <address> <length>"); - 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; - int retval; - - if (argc != 1) - { - command_print(cmd_ctx, "usage: flash protect_check <num>"); - return ERROR_OK; - } - - p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - if (p) - { - if ((retval = p->driver->protect_check(p)) == ERROR_OK) - { - command_print(cmd_ctx, "successfully checked protect state"); - } - else if (retval == ERROR_FLASH_OPERATION_FAILED) - { - command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base); - } - else - { - command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base); - } - } - else - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - } - - return ERROR_OK; -} - -int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - if (argc > 2) - { - int first = strtoul(args[1], NULL, 0); - int last = strtoul(args[2], NULL, 0); - int retval; - flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - duration_t duration; - char *duration_text; - - duration_start_measure(&duration); - - if (!p) - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - return ERROR_OK; - } - - if ((retval = p->driver->erase(p, first, last)) != 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 <bank> <first> <last>"); - 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; - case ERROR_OK: - command_print(cmd_ctx, "erased flash sectors %i to %i", first, last); - break; - default: - command_print(cmd_ctx, "unknown error"); - } - } - else - { - 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 - { - command_print(cmd_ctx, "usage: flash erase <bank> <first> <last>"); - } - - return ERROR_OK; -} - -int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - if (argc > 3) - { - int first = strtoul(args[1], NULL, 0); - int last = strtoul(args[2], NULL, 0); - int set; - int retval; - flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - if (!p) - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - return ERROR_OK; - } - - if (strcmp(args[3], "on") == 0) - set = 1; - else if (strcmp(args[3], "off") == 0) - set = 0; - else - { - command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>"); - return ERROR_OK; - } - - if ((retval = p->driver->protect(p, set, first, last)) != 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 protect <bank> <first> <last> <on|off>"); - 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 program error"); - break; - case ERROR_FLASH_SECTOR_INVALID: - command_print(cmd_ctx, "sector number(s) invalid"); - break; - case ERROR_OK: - command_print(cmd_ctx, "protection of flash sectors %i to %i turned %s", first, last, args[3]); - break; - default: - command_print(cmd_ctx, "unknown error"); - } - } - else - { - 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)); - } - } - else - { - command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>"); - } - - return ERROR_OK; -} - -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 <file> [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; - u8 *buffer; - u32 buf_cnt; - - fileio_t fileio; - - duration_t duration; - char *duration_text; - - int retval; - flash_bank_t *p; - - if (argc < 3) - { - command_print(cmd_ctx, "usage: flash write_binary <bank> <file> <offset>"); - return ERROR_OK; - } - - duration_start_measure(&duration); - - offset = strtoul(args[2], NULL, 0); - p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - if (!p) - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - return ERROR_OK; - } - - if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK) - { - command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str); - return ERROR_OK; - } - - 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: - 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 write <bank> <file> <offset>"); - 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 program error"); - break; - case ERROR_FLASH_DST_BREAKS_ALIGNMENT: - command_print(cmd_ctx, "offset breaks required alignment"); - break; - case ERROR_FLASH_DST_OUT_OF_BANK: - command_print(cmd_ctx, "destination is out of flash bank (offset and/or file too large)"); - break; - case ERROR_FLASH_SECTOR_NOT_ERASED: - command_print(cmd_ctx, "destination sector(s) not erased"); - break; - default: - command_print(cmd_ctx, "unknown error"); - } - } - - 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) - { - 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; - - 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 <on|off>"); - 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; -} +/***************************************************************************
+ * Copyright (C) 2005 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * 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 *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "flash.h"
+#include "command.h"
+#include "target.h"
+#include "time_support.h"
+#include "fileio.h"
+#include "image.h"
+#include "log.h"
+
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <inttypes.h>
+
+/* command handlers */
+int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+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_bank_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
+ */
+extern flash_driver_t lpc2000_flash;
+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[] =
+{
+ &lpc2000_flash,
+ &cfi_flash,
+ &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;
+
+/* wafer thin wrapper for invoking the flash driver */
+static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
+{
+ int retval=ERROR_OK;
+ if (bank->target->state != TARGET_HALTED)
+ {
+ ERROR("target not halted - aborting flash write");
+ retval=ERROR_TARGET_NOT_HALTED;
+ } else
+ {
+ retval=bank->driver->write(bank, buffer, offset, count);
+ }
+ if (retval!=ERROR_OK)
+ {
+ ERROR("Writing to flash bank at address 0x%08x at offset 0x%8.8x", bank->base, offset);
+ }
+ return retval;
+}
+
+static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
+{
+ int retval=ERROR_OK;
+ if (bank->target->state != TARGET_HALTED)
+ {
+ ERROR("target not halted - aborting flash erase");
+ retval=ERROR_TARGET_NOT_HALTED;
+ } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
+ {
+ ERROR("invalid flash sector");
+ retval=ERROR_FLASH_SECTOR_INVALID;
+ } else
+ {
+ retval=bank->driver->erase(bank, first, last);
+ }
+ if (retval!=ERROR_OK)
+ {
+ ERROR("Failed erasing banks %d to %d", first, last);
+ }
+ return retval;
+}
+
+int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
+{
+ int retval;
+ if (bank->target->state != TARGET_HALTED)
+ {
+ ERROR("target not halted - aborting flash erase");
+ retval=ERROR_TARGET_NOT_HALTED;
+ } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
+ {
+ ERROR("invalid flash sector");
+ retval=ERROR_FLASH_SECTOR_INVALID;
+ } else
+ {
+ retval=bank->driver->protect(bank, set, first, last);
+ }
+ if (retval!=ERROR_OK)
+ {
+ ERROR("Failed protecting banks %d to %d", first, last);
+ }
+ return retval;
+}
+
+
+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, "flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
+ register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY,
+ "auto erase flash sectors <on|off>");
+ return ERROR_OK;
+}
+
+int flash_init_drivers(struct command_context_s *cmd_ctx)
+{
+ if (flash_banks)
+ {
+ register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
+ "list configured flash banks ");
+ register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
+ "print info about flash bank <num>");
+ register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
+ "identify flash bank <num>");
+ register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
+ "check erase state of sectors in flash bank <num>");
+ register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
+ "check protection state of sectors in flash bank <num>");
+ register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
+ "erase sectors at <bank> <first> <last>");
+ register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
+ "erase address range <address> <length>");
+ register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
+ "write binary data to <bank> <file> <offset>");
+ register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
+ "write_image <file> [offset] [type]");
+ register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
+ "set protection of sectors at <bank> <first> <last> <on|off>");
+ }
+
+ return ERROR_OK;
+}
+
+flash_bank_t *get_flash_bank_by_num_noprobe(int num)
+{
+ flash_bank_t *p;
+ int i = 0;
+
+ for (p = flash_banks; p; p = p->next)
+ {
+ if (i++ == num)
+ {
+ return p;
+ }
+ }
+ ERROR("Flash bank %d does not exist", num);
+ return NULL;
+}
+
+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;
+}
+
+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 < 6)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ 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;
+ }
+
+ for (i = 0; flash_drivers[i]; i++)
+ {
+ if (strcmp(args[0], flash_drivers[i]->name) == 0)
+ {
+ flash_bank_t *p, *c;
+
+ /* register flash specific commands */
+ if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
+ {
+ ERROR("couldn't register '%s' commands", args[0]);
+ exit(-1);
+ }
+
+ 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)
+ {
+ ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
+ free(c);
+ return ERROR_OK;
+ }
+
+ /* put flash bank in linked list */
+ if (flash_banks)
+ {
+ /* find last flash bank */
+ for (p = flash_banks; p && p->next; p = p->next);
+ if (p)
+ p->next = c;
+ }
+ else
+ {
+ flash_banks = c;
+ }
+
+ found = 1;
+ }
+ }
+
+ /* no matching flash driver found */
+ if (!found)
+ {
+ ERROR("flash driver '%s' not found", args[0]);
+ exit(-1);
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int i = 0;
+
+ if (!flash_banks)
+ {
+ command_print(cmd_ctx, "no flash banks configured");
+ return ERROR_OK;
+ }
+
+ for (p = flash_banks; p; p = p->next)
+ {
+ 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);
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int i = 0;
+ int j = 0;
+
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ for (p = flash_banks; p; p = p->next, i++)
+ {
+ 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++)
+ {
+ char *erase_state, *protect_state;
+
+ if (p->sectors[j].is_erased == 0)
+ erase_state = "not erased";
+ else if (p->sectors[j].is_erased == 1)
+ erase_state = "erased";
+ else
+ erase_state = "erase state unknown";
+
+ if (p->sectors[j].is_protected == 0)
+ protect_state = "not protected";
+ else if (p->sectors[j].is_protected == 1)
+ protect_state = "protected";
+ else
+ protect_state = "protection state unknown";
+
+ 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);
+ }
+
+ p->driver->info(p, buf, 1024);
+ command_print(cmd_ctx, "%s", buf);
+ }
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int retval;
+
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
+ if (p)
+ {
+ if ((retval = p->driver->probe(p)) == ERROR_OK)
+ {
+ command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
+ }
+ else if (retval == ERROR_FLASH_BANK_INVALID)
+ {
+ command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
+ args[0], p->base);
+ }
+ else
+ {
+ command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
+ args[0], p->base);
+ }
+ }
+ else
+ {
+ command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ flash_bank_t *p;
+ int retval;
+
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ if (p)
+ {
+ if ((retval = p->driver->erase_check(p)) == ERROR_OK)
+ {
+ command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
+ }
+ else
+ {
+ command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
+ args[0], p->base);
+ }
+ }
+
+ 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)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ 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_COMMAND_SYNTAX_ERROR;
+ }
+
+ p = get_flash_bank_by_addr(target, address);
+ if (p == NULL)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ /* 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)
+ {
+ 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;
+ int retval;
+
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ if (p)
+ {
+ if ((retval = p->driver->protect_check(p)) == ERROR_OK)
+ {
+ command_print(cmd_ctx, "successfully checked protect state");
+ }
+ else if (retval == ERROR_FLASH_OPERATION_FAILED)
+ {
+ command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
+ }
+ else
+ {
+ command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
+ }
+ }
+ else
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc > 2)
+ {
+ int first = strtoul(args[1], NULL, 0);
+ int last = strtoul(args[2], NULL, 0);
+ int retval;
+ flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ duration_t duration;
+ char *duration_text;
+
+ duration_start_measure(&duration);
+
+ if (!p)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
+ {
+ 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
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc > 3)
+ {
+ int first = strtoul(args[1], NULL, 0);
+ int last = strtoul(args[2], NULL, 0);
+ int set;
+ int retval;
+ flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ if (!p)
+ {
+ command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+ return ERROR_OK;
+ }
+
+ if (strcmp(args[3], "on") == 0)
+ set = 1;
+ else if (strcmp(args[3], "off") == 0)
+ set = 0;
+ else
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ 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 %i", (set) ? "set" : "cleared", first, last, strtoul(args[0], 0, 0));
+ }
+ }
+ else
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ }
+
+ return ERROR_OK;
+}
+
+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;
+
+ duration_t duration;
+ char *duration_text;
+
+ int retval;
+
+ if (argc < 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ }
+
+ 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;
+ }
+
+ retval = flash_write(target, &image, &written, auto_erase);
+
+ if (retval != ERROR_OK)
+ {
+ image_close(&image);
+ return retval;
+ }
+
+ duration_stop_measure(&duration, &duration_text);
+ if (retval == ERROR_OK)
+ {
+ 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);
+
+ image_close(&image);
+
+ return retval;
+}
+
+int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ u32 offset;
+ u8 *buffer;
+ u32 buf_cnt;
+
+ fileio_t fileio;
+
+ duration_t duration;
+ char *duration_text;
+
+ int retval;
+ flash_bank_t *p;
+
+ if (argc != 3)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ duration_start_measure(&duration);
+
+ offset = strtoul(args[2], NULL, 0);
+ p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
+ if (!p)
+ {
+ command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
+ return ERROR_OK;
+ }
+
+ if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
+ {
+ command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
+ return ERROR_OK;
+ }
+
+ 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;
+ }
+
+ retval = flash_driver_write(p, buffer, offset, buf_cnt);
+
+ free(buffer);
+
+ duration_stop_measure(&duration, &duration_text);
+ if (retval!=ERROR_OK)
+ {
+ 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 retval;
+}
+
+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)
+ {
+ 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;
+ }
+ ERROR("No flash at address 0x%08x\n", addr);
+ 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;
+
+ 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 flash_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 flash_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, int erase)
+{
+ int retval;
+
+ int section;
+ u32 section_offset;
+ flash_bank_t *c;
+
+ section = 0;
+ section_offset = 0;
+
+ if (written)
+ *written = 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)
+ {
+ 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);
+
+ return retval;
+ }
+
+ 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 = flash_driver_write(c, buffer, run_address - c->base, run_size);
+ }
+
+ free(buffer);
+
+ if (retval != ERROR_OK)
+ {
+ 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)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ }
+
+ if (strcmp(args[0], "on") == 0)
+ auto_erase = 1;
+ else if (strcmp(args[0], "off") == 0)
+ auto_erase = 0;
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ return ERROR_OK;
+}
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