557 lines
16 KiB
C
557 lines
16 KiB
C
/***************************************************************************
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* Copyright (C) 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include "flash.h"
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#include "command.h"
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#include "log.h"
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#include "target.h"
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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/* command handlers */
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int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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/* flash drivers
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*/
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extern flash_driver_t lpc2000_flash;
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extern flash_driver_t cfi_flash;
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extern flash_driver_t at91sam7_flash;
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extern flash_driver_t str7x_flash;
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flash_driver_t *flash_drivers[] =
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{
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&lpc2000_flash,
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&cfi_flash,
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&at91sam7_flash,
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&str7x_flash,
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NULL,
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};
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flash_bank_t *flash_banks;
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static command_t *flash_cmd;
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int flash_register_commands(struct command_context_s *cmd_ctx)
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{
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flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
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register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, NULL);
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return ERROR_OK;
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}
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int flash_init(struct command_context_s *cmd_ctx)
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{
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if (flash_banks)
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{
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register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
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"list configured flash banks ");
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register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
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"print info about flash bank <num>");
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register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
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"identify flash bank <num>");
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register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
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"check erase state of sectors in flash bank <num>");
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register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
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"check protection state of sectors in flash bank <num>");
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register_command(cmd_ctx, flash_cmd, "erase", handle_flash_erase_command, COMMAND_EXEC,
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"erase sectors at <bank> <first> <last>");
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register_command(cmd_ctx, flash_cmd, "write", handle_flash_write_command, COMMAND_EXEC,
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"write binary <bank> <file> <offset>");
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register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
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"set protection of sectors at <bank> <first> <last> <on|off>");
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}
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return ERROR_OK;
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}
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flash_bank_t *get_flash_bank_by_num(int num)
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{
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flash_bank_t *p;
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int i = 0;
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for (p = flash_banks; p; p = p->next)
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{
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if (i++ == num)
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{
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return p;
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}
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}
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return NULL;
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}
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/* flash_bank <driver> <base> <size> <chip_width> <bus_width> [driver_options ...]
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*/
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int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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int i;
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int found = 0;
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if (argc < 5)
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{
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WARNING("incomplete flash_bank configuration");
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return ERROR_OK;
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}
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for (i = 0; flash_drivers[i]; i++)
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{
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if (strcmp(args[0], flash_drivers[i]->name) == 0)
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{
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flash_bank_t *p, *c;
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/* register flash specific commands */
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if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
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{
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ERROR("couldn't register '%s' commands", args[0]);
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exit(-1);
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}
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c = malloc(sizeof(flash_bank_t));
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c->driver = flash_drivers[i];
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c->driver_priv = NULL;
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c->base = strtoul(args[1], NULL, 0);
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c->size = strtoul(args[2], NULL, 0);
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c->chip_width = strtoul(args[3], NULL, 0);
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c->bus_width = strtoul(args[4], NULL, 0);
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c->next = NULL;
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if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
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{
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ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
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free(c);
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return ERROR_OK;
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}
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/* put flash bank in linked list */
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if (flash_banks)
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{
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/* find last flash bank */
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for (p = flash_banks; p && p->next; p = p->next);
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if (p)
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p->next = c;
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}
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else
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{
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flash_banks = c;
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}
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found = 1;
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}
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}
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/* no matching flash driver found */
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if (!found)
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{
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ERROR("flash driver '%s' not found", args[0]);
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exit(-1);
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}
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return ERROR_OK;
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}
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int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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flash_bank_t *p;
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int i = 0;
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if (!flash_banks)
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{
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command_print(cmd_ctx, "no flash banks configured");
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return ERROR_OK;
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}
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for (p = flash_banks; p; p = p->next)
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{
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command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
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i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
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}
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return ERROR_OK;
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}
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int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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flash_bank_t *p;
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int i = 0;
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int j = 0;
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if (argc != 1)
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{
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command_print(cmd_ctx, "usage: flash info <num>");
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return ERROR_OK;
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}
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for (p = flash_banks; p; p = p->next)
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{
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if (i++ == strtoul(args[0], NULL, 0))
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{
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char buf[1024];
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command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
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i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
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for (j = 0; j < p->num_sectors; j++)
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{
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char *erase_state, *protect_state;
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if (p->sectors[j].is_erased == 0)
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erase_state = "not erased";
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else if (p->sectors[j].is_erased == 1)
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erase_state = "erased";
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else
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erase_state = "erase state unknown";
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if (p->sectors[j].is_protected == 0)
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protect_state = "not protected";
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else if (p->sectors[j].is_protected == 1)
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protect_state = "protected";
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else
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protect_state = "protection state unknown";
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command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%xkB) %s, %s",
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j, p->sectors[j].offset, p->sectors[j].size,
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erase_state, protect_state);
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}
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p->driver->info(p, buf, 1024);
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command_print(cmd_ctx, "%s", buf);
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}
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}
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return ERROR_OK;
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}
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int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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flash_bank_t *p;
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int retval;
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if (argc != 1)
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{
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command_print(cmd_ctx, "usage: flash probe <num>");
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return ERROR_OK;
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}
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p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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if (p)
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{
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if ((retval = p->driver->probe(p)) == ERROR_OK)
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{
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command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
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}
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else if (retval == ERROR_FLASH_BANK_INVALID)
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{
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command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
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args[0], p->base);
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}
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else
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{
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command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
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args[0], p->base);
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}
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}
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else
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{
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command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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}
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return ERROR_OK;
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}
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int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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flash_bank_t *p;
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int retval;
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if (argc != 1)
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{
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command_print(cmd_ctx, "usage: flash erase_check <num>");
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return ERROR_OK;
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}
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p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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if (p)
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{
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if ((retval = p->driver->erase_check(p)) == ERROR_OK)
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{
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command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
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}
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else
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{
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command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
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args[0], p->base);
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}
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}
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else
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{
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command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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}
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return ERROR_OK;
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}
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int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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flash_bank_t *p;
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int retval;
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if (argc != 1)
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{
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command_print(cmd_ctx, "usage: flash protect_check <num>");
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return ERROR_OK;
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}
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p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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if (p)
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{
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if ((retval = p->driver->protect_check(p)) == ERROR_OK)
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{
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command_print(cmd_ctx, "successfully checked protect state");
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}
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else if (retval == ERROR_FLASH_OPERATION_FAILED)
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{
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command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
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}
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else
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{
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command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
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}
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}
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else
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{
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command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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}
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return ERROR_OK;
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}
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int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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if (argc > 2)
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{
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int first = strtoul(args[1], NULL, 0);
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int last = strtoul(args[2], NULL, 0);
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int retval;
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flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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if (!p)
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{
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command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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return ERROR_OK;
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}
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if ((retval = p->driver->erase(p, first, last)) != ERROR_OK)
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{
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switch (retval)
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{
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case ERROR_TARGET_NOT_HALTED:
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command_print(cmd_ctx, "can't work with this flash while target is running");
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break;
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case ERROR_INVALID_ARGUMENTS:
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command_print(cmd_ctx, "usage: flash_erase <bank> <first> <last>");
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break;
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case ERROR_FLASH_BANK_INVALID:
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command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
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break;
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case ERROR_FLASH_OPERATION_FAILED:
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command_print(cmd_ctx, "flash erase error");
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break;
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case ERROR_FLASH_SECTOR_INVALID:
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command_print(cmd_ctx, "sector number(s) invalid");
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break;
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case ERROR_OK:
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command_print(cmd_ctx, "erased flash sectors %i to %i", first, last);
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break;
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default:
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command_print(cmd_ctx, "unknown error");
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}
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}
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}
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else
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{
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command_print(cmd_ctx, "usage: flash erase <bank> <first> <last>");
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}
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return ERROR_OK;
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}
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int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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if (argc > 3)
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{
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int first = strtoul(args[1], NULL, 0);
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int last = strtoul(args[2], NULL, 0);
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int set;
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int retval;
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flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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if (!p)
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{
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command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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return ERROR_OK;
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}
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if (strcmp(args[3], "on") == 0)
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set = 1;
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else if (strcmp(args[3], "off") == 0)
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set = 0;
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else
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{
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command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
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return ERROR_OK;
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}
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if ((retval = p->driver->protect(p, set, first, last)) != ERROR_OK)
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{
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switch (retval)
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{
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case ERROR_TARGET_NOT_HALTED:
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command_print(cmd_ctx, "can't work with this flash while target is running");
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break;
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case ERROR_INVALID_ARGUMENTS:
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command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
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break;
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case ERROR_FLASH_BANK_INVALID:
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command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
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break;
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case ERROR_FLASH_OPERATION_FAILED:
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command_print(cmd_ctx, "flash program error");
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break;
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case ERROR_FLASH_SECTOR_INVALID:
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command_print(cmd_ctx, "sector number(s) invalid");
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break;
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case ERROR_OK:
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command_print(cmd_ctx, "protection of flash sectors %i to %i turned %s", first, last, args[3]);
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break;
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default:
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command_print(cmd_ctx, "unknown error");
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}
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}
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}
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else
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{
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command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
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}
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return ERROR_OK;
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}
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int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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{
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FILE *binary;
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u32 offset;
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struct stat binary_stat;
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u32 binary_size;
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u8 *buffer;
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u32 buf_cnt;
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int retval;
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flash_bank_t *p;
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if (argc < 3)
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{
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command_print(cmd_ctx, "usage: flash write <bank> <file> <offset>");
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return ERROR_OK;
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}
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offset = strtoul(args[2], NULL, 0);
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p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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if (!p)
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{
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command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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return ERROR_OK;
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}
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if (stat(args[1], &binary_stat) == -1)
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{
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ERROR("couldn't stat() %s: %s", args[1], strerror(errno));
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return ERROR_OK;
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}
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if (S_ISDIR(binary_stat.st_mode))
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{
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ERROR("%s is a directory", args[1]);
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command_print(cmd_ctx,"%s is a directory", args[1]);
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return ERROR_OK;
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}
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if (binary_stat.st_size == 0){
|
|
ERROR("Empty file %s", args[1]);
|
|
command_print(cmd_ctx,"Empty file %s", args[1]);
|
|
return ERROR_OK;
|
|
}
|
|
|
|
if (!(binary = fopen(args[1], "r")))
|
|
{
|
|
ERROR("couldn't open %s: %s", args[1], strerror(errno));
|
|
command_print(cmd_ctx, "couldn't open %s", args[1]);
|
|
return ERROR_OK;
|
|
}
|
|
|
|
binary_size = binary_stat.st_size;
|
|
buffer = malloc(binary_size);
|
|
buf_cnt = fread(buffer, 1, binary_size, binary);
|
|
|
|
if ((retval = p->driver->write(p, buffer, offset, buf_cnt)) != 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 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);
|
|
fclose(binary);
|
|
|
|
command_print(cmd_ctx, "wrote file %s to flash bank %i at offset 0x%8.8x", args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0));
|
|
|
|
return ERROR_OK;
|
|
|
|
}
|