|
- /***************************************************************************
- * 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_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 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;
-
- flash_driver_t *flash_drivers[] =
- {
- &lpc2000_flash,
- &cfi_flash,
- &at91sam7_flash,
- &str7x_flash,
- &str9x_flash,
- &stellaris_flash,
- &str9xpec_flash,
- &stm32x_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);
-
- return ERROR_OK;
- }
-
- int flash_init(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,
- "erase sectors at <bank> <first> <last>");
- register_command(cmd_ctx, flash_cmd, "write", handle_flash_write_binary_command, COMMAND_EXEC,
- "DEPRECATED, use 'write_binary' or 'write_image' 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>");
- register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_EXEC,
- "auto erase flash sectors <on|off>");
- }
-
- return ERROR_OK;
- }
-
- flash_bank_t *get_flash_bank_by_num(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 <driver> <base> <size> <chip_width> <bus_width> <target> [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 < 6)
- {
- WARNING("incomplete flash_bank configuration");
- WARNING("flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [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;
- }
-
- 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->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];
-
- 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(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_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 (!strcmp(cmd, "write"))
- {
- command_print(cmd_ctx, "'flash write' has been deprecated in favor of 'flash write_binary' and 'flash write_image'");
- DEBUG("'flash write' has been deprecated in favor of 'flash write_binary' and 'flash write_image'");
- }
-
- if (argc < 1)
- {
- command_print(cmd_ctx, "usage: flash write <file> [offset] [type]");
- return ERROR_OK;
- }
-
- 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;
-
- if (image_open(&image, args[0], (argc == 4) ? args[2] : NULL) != ERROR_OK)
- {
- command_print(cmd_ctx, "flash write error: %s", image.error_str);
- return ERROR_OK;
- }
-
- failed = malloc(sizeof(int) * image.num_sections);
-
- if ((retval = flash_write(target, &image, &written, &error_str, failed, auto_erase)) != ERROR_OK)
- {
- command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
- free(error_str);
- }
-
- 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 <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 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 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;
- }
-
- /* 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)
- {
- /* 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(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 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;
-
- section = 0;
- section_offset = 0;
-
- if (written)
- *written = 0;
-
- if (failed != NULL)
- for (i = 0; i < image->num_sections; i++)
- failed[i] = 0;
-
- /* loop until we reach end of the image */
- while (section < image->num_sections)
- {
- flash_bank_t *c;
- 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))
- {
- WARNING("section %d out of order", 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,
- run_size, 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( 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;
- }
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