1 /***************************************************************************
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2 * Copyright (C) 2005 by Dominic Rath *
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3 * Dominic.Rath@gmx.de *
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5 * This program is free software; you can redistribute it and/or modify *
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6 * it under the terms of the GNU General Public License as published by *
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7 * the Free Software Foundation; either version 2 of the License, or *
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8 * (at your option) any later version. *
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10 * This program is distributed in the hope that it will be useful, *
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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13 * GNU General Public License for more details. *
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15 * You should have received a copy of the GNU General Public License *
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16 * along with this program; if not, write to the *
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17 * Free Software Foundation, Inc., *
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18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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19 ***************************************************************************/
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20 #ifdef HAVE_CONFIG_H
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25 #include "command.h"
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27 #include "time_support.h"
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35 #include <sys/types.h>
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36 #include <sys/stat.h>
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38 #include <inttypes.h>
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40 /* command handlers */
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41 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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42 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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43 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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44 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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45 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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46 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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47 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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48 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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49 int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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50 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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51 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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52 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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53 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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54 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
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58 extern flash_driver_t lpc2000_flash;
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59 extern flash_driver_t cfi_flash;
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60 extern flash_driver_t at91sam7_flash;
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61 extern flash_driver_t str7x_flash;
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62 extern flash_driver_t str9x_flash;
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63 extern flash_driver_t stellaris_flash;
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64 extern flash_driver_t str9xpec_flash;
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65 extern flash_driver_t stm32x_flash;
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66 extern flash_driver_t tms470_flash;
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68 flash_driver_t *flash_drivers[] =
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82 flash_bank_t *flash_banks;
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83 static command_t *flash_cmd;
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84 static int auto_erase = 0;
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86 /* wafer thin wrapper for invoking the flash driver */
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87 static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
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89 int retval=ERROR_OK;
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90 if (bank->target->state != TARGET_HALTED)
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92 ERROR("target not halted - aborting flash write");
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93 retval=ERROR_TARGET_NOT_HALTED;
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96 retval=bank->driver->write(bank, buffer, offset, count);
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98 if (retval!=ERROR_OK)
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100 ERROR("Writing to flash bank at address 0x%08x at offset 0x%8.8x", bank->base, offset);
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105 static int flash_driver_erase(struct flash_bank_s *bank, int first, int last)
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107 int retval=ERROR_OK;
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108 if (bank->target->state != TARGET_HALTED)
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110 ERROR("target not halted - aborting flash erase");
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111 retval=ERROR_TARGET_NOT_HALTED;
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112 } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
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114 ERROR("invalid flash sector");
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115 retval=ERROR_FLASH_SECTOR_INVALID;
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118 retval=bank->driver->erase(bank, first, last);
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120 if (retval!=ERROR_OK)
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122 ERROR("Failed erasing banks %d to %d", first, last);
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127 int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last)
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130 if (bank->target->state != TARGET_HALTED)
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132 ERROR("target not halted - aborting flash erase");
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133 retval=ERROR_TARGET_NOT_HALTED;
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134 } else if ((first < 0) || (last < first) || (last >= bank->num_sectors))
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136 ERROR("invalid flash sector");
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137 retval=ERROR_FLASH_SECTOR_INVALID;
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140 retval=bank->driver->protect(bank, set, first, last);
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142 if (retval!=ERROR_OK)
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144 ERROR("Failed protecting banks %d to %d", first, last);
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150 int flash_register_commands(struct command_context_s *cmd_ctx)
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152 flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
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154 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 ...]");
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155 register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY,
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156 "auto erase flash sectors <on|off>");
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160 int flash_init_drivers(struct command_context_s *cmd_ctx)
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164 register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
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165 "list configured flash banks ");
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166 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
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167 "print info about flash bank <num>");
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168 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
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169 "identify flash bank <num>");
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170 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
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171 "check erase state of sectors in flash bank <num>");
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172 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
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173 "check protection state of sectors in flash bank <num>");
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174 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
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175 "erase sectors at <bank> <first> <last>");
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176 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
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177 "erase address range <address> <length>");
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178 register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
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179 "write binary data to <bank> <file> <offset>");
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180 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
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181 "write_image <file> [offset] [type]");
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182 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
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183 "set protection of sectors at <bank> <first> <last> <on|off>");
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189 flash_bank_t *get_flash_bank_by_num_noprobe(int num)
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194 for (p = flash_banks; p; p = p->next)
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201 ERROR("Flash bank %d does not exist", num);
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205 flash_bank_t *get_flash_bank_by_num(int num)
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207 flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
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213 retval = p->driver->auto_probe(p);
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215 if (retval != ERROR_OK)
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217 ERROR("auto_probe failed %d\n", retval);
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223 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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231 return ERROR_COMMAND_SYNTAX_ERROR;
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234 if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
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236 ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
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240 for (i = 0; flash_drivers[i]; i++)
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242 if (strcmp(args[0], flash_drivers[i]->name) == 0)
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244 flash_bank_t *p, *c;
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246 /* register flash specific commands */
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247 if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
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249 ERROR("couldn't register '%s' commands", args[0]);
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253 c = malloc(sizeof(flash_bank_t));
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254 c->target = target;
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255 c->driver = flash_drivers[i];
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256 c->driver_priv = NULL;
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257 c->base = strtoul(args[1], NULL, 0);
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258 c->size = strtoul(args[2], NULL, 0);
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259 c->chip_width = strtoul(args[3], NULL, 0);
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260 c->bus_width = strtoul(args[4], NULL, 0);
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261 c->num_sectors = 0;
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265 if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
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267 ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
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272 /* put flash bank in linked list */
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275 /* find last flash bank */
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276 for (p = flash_banks; p && p->next; p = p->next);
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289 /* no matching flash driver found */
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292 ERROR("flash driver '%s' not found", args[0]);
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299 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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306 command_print(cmd_ctx, "no flash banks configured");
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310 for (p = flash_banks; p; p = p->next)
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312 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
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313 i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
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319 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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327 return ERROR_COMMAND_SYNTAX_ERROR;
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330 for (p = flash_banks; p; p = p->next, i++)
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332 if (i == strtoul(args[0], NULL, 0))
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336 /* attempt auto probe */
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337 p->driver->auto_probe(p);
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339 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
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340 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
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341 for (j = 0; j < p->num_sectors; j++)
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343 char *erase_state, *protect_state;
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345 if (p->sectors[j].is_erased == 0)
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346 erase_state = "not erased";
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347 else if (p->sectors[j].is_erased == 1)
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348 erase_state = "erased";
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350 erase_state = "erase state unknown";
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352 if (p->sectors[j].is_protected == 0)
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353 protect_state = "not protected";
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354 else if (p->sectors[j].is_protected == 1)
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355 protect_state = "protected";
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357 protect_state = "protection state unknown";
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359 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s",
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360 j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
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361 erase_state, protect_state);
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364 p->driver->info(p, buf, 1024);
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365 command_print(cmd_ctx, "%s", buf);
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372 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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379 return ERROR_COMMAND_SYNTAX_ERROR;
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382 p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0));
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385 if ((retval = p->driver->probe(p)) == ERROR_OK)
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387 command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
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389 else if (retval == ERROR_FLASH_BANK_INVALID)
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391 command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
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396 command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
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402 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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408 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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415 return ERROR_COMMAND_SYNTAX_ERROR;
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418 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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421 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
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423 command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
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427 command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
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435 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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441 duration_t duration;
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442 char *duration_text;
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444 target_t *target = get_current_target(cmd_ctx);
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448 return ERROR_COMMAND_SYNTAX_ERROR;
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451 address = strtoul(args[0], NULL, 0);
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452 length = strtoul(args[1], NULL, 0);
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455 command_print(cmd_ctx, "Length must be >0");
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456 return ERROR_COMMAND_SYNTAX_ERROR;
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459 p = get_flash_bank_by_addr(target, address);
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462 return ERROR_COMMAND_SYNTAX_ERROR;
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465 /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
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468 duration_start_measure(&duration);
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470 if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
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472 duration_stop_measure(&duration, &duration_text);
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473 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
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474 free(duration_text);
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480 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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487 return ERROR_COMMAND_SYNTAX_ERROR;
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490 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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493 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
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495 command_print(cmd_ctx, "successfully checked protect state");
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497 else if (retval == ERROR_FLASH_OPERATION_FAILED)
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499 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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503 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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508 return ERROR_COMMAND_SYNTAX_ERROR;
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514 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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518 int first = strtoul(args[1], NULL, 0);
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519 int last = strtoul(args[2], NULL, 0);
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521 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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522 duration_t duration;
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523 char *duration_text;
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525 duration_start_measure(&duration);
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529 return ERROR_COMMAND_SYNTAX_ERROR;
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532 if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
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534 duration_stop_measure(&duration, &duration_text);
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536 command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
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537 free(duration_text);
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542 return ERROR_COMMAND_SYNTAX_ERROR;
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548 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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552 int first = strtoul(args[1], NULL, 0);
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553 int last = strtoul(args[2], NULL, 0);
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556 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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559 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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563 if (strcmp(args[3], "on") == 0)
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565 else if (strcmp(args[3], "off") == 0)
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569 return ERROR_COMMAND_SYNTAX_ERROR;
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572 retval = flash_driver_protect(p, set, first, last);
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573 if (retval == ERROR_OK)
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575 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));
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580 return ERROR_COMMAND_SYNTAX_ERROR;
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587 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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589 target_t *target = get_current_target(cmd_ctx);
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594 duration_t duration;
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595 char *duration_text;
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601 return ERROR_COMMAND_SYNTAX_ERROR;
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607 ERROR("no target selected");
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611 duration_start_measure(&duration);
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615 image.base_address_set = 1;
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616 image.base_address = strtoul(args[1], NULL, 0);
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620 image.base_address_set = 0;
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621 image.base_address = 0x0;
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624 image.start_address_set = 0;
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626 retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
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627 if (retval != ERROR_OK)
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629 command_print(cmd_ctx, "image_open error: %s", image.error_str);
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633 retval = flash_write(target, &image, &written, auto_erase);
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635 if (retval != ERROR_OK)
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637 image_close(&image);
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641 duration_stop_measure(&duration, &duration_text);
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642 if (retval == ERROR_OK)
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644 command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
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645 written, args[0], duration_text,
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646 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
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648 free(duration_text);
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650 image_close(&image);
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655 int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
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663 duration_t duration;
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664 char *duration_text;
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671 return ERROR_COMMAND_SYNTAX_ERROR;
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674 duration_start_measure(&duration);
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676 offset = strtoul(args[2], NULL, 0);
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677 p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
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680 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
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684 if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
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686 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
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690 buffer = malloc(fileio.size);
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691 if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
\r
693 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
\r
697 retval = flash_driver_write(p, buffer, offset, buf_cnt);
\r
701 duration_stop_measure(&duration, &duration_text);
\r
702 if (retval!=ERROR_OK)
\r
704 command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
\r
705 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
\r
706 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
\r
708 free(duration_text);
\r
710 fileio_close(&fileio);
\r
715 void flash_set_dirty(void)
\r
720 /* set all flash to require erasing */
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721 for (c = flash_banks; c; c = c->next)
\r
723 for (i = 0; i < c->num_sectors; i++)
\r
725 c->sectors[i].is_erased = 0;
\r
730 /* lookup flash bank by address */
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731 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
\r
735 /* cycle through bank list */
\r
736 for (c = flash_banks; c; c = c->next)
\r
739 retval = c->driver->auto_probe(c);
\r
741 if (retval != ERROR_OK)
\r
743 ERROR("auto_probe failed %d\n", retval);
\r
746 /* check whether address belongs to this flash bank */
\r
747 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
\r
750 ERROR("No flash at address 0x%08x\n", addr);
\r
754 /* erase given flash region, selects proper bank according to target and address */
\r
755 int flash_erase_address_range(target_t *target, u32 addr, u32 length)
\r
762 if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
\r
763 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
\r
765 if (c->size == 0 || c->num_sectors == 0)
\r
766 return ERROR_FLASH_BANK_INVALID;
\r
770 /* special case, erase whole bank when length is zero */
\r
771 if (addr != c->base)
\r
772 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
\r
774 return flash_driver_erase(c, 0, c->num_sectors - 1);
\r
777 /* check whether it fits */
\r
778 if (addr + length > c->base + c->size)
\r
779 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
\r
783 for (i = 0; i < c->num_sectors; i++)
\r
785 /* check whether sector overlaps with the given range and is not yet erased */
\r
786 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
\r
787 /* if first is not set yet then this is the first sector */
\r
790 last = i; /* and it is the last one so far in any case */
\r
794 if( first == -1 || last == -1 )
\r
797 return flash_driver_erase(c, first, last);
\r
800 /* write (optional verify) an image to flash memory of the given target */
\r
801 int flash_write(target_t *target, image_t *image, u32 *written, int erase)
\r
806 u32 section_offset;
\r
810 section_offset = 0;
\r
817 /* assume all sectors need erasing - stops any problems
\r
818 * when flash_write is called multiple times */
\r
823 /* loop until we reach end of the image */
\r
824 while (section < image->num_sections)
\r
830 u32 run_address = image->sections[section].base_address + section_offset;
\r
831 u32 run_size = image->sections[section].size - section_offset;
\r
833 if (image->sections[section].size == 0)
\r
835 WARNING("empty section %d", section);
\r
837 section_offset = 0;
\r
841 /* find the corresponding flash bank */
\r
842 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
\r
844 section++; /* and skip it */
\r
845 section_offset = 0;
\r
849 /* collect consecutive sections which fall into the same bank */
\r
850 section_first = section;
\r
851 section_last = section;
\r
852 while ((run_address + run_size < c->base + c->size)
\r
853 && (section_last + 1 < image->num_sections))
\r
855 if (image->sections[section_last + 1].base_address < (run_address + run_size))
\r
857 DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
\r
860 if (image->sections[section_last + 1].base_address != (run_address + run_size))
\r
862 run_size += image->sections[++section_last].size;
\r
865 /* fit the run into bank constraints */
\r
866 if (run_address + run_size > c->base + c->size)
\r
867 run_size = c->base + c->size - run_address;
\r
869 /* allocate buffer */
\r
870 buffer = malloc(run_size);
\r
873 /* read sections to the buffer */
\r
874 while (buffer_size < run_size)
\r
878 if (buffer_size - run_size <= image->sections[section].size - section_offset)
\r
879 size_read = buffer_size - run_size;
\r
881 size_read = image->sections[section].size - section_offset;
\r
883 if ((retval = image_read_section(image, section, section_offset,
\r
884 size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
\r
891 buffer_size += size_read;
\r
892 section_offset += size_read;
\r
894 if (section_offset >= image->sections[section].size)
\r
897 section_offset = 0;
\r
905 /* calculate and erase sectors */
\r
906 retval = flash_erase_address_range( target, run_address, run_size );
\r
909 if (retval == ERROR_OK)
\r
911 /* write flash sectors */
\r
912 retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
\r
917 if (retval != ERROR_OK)
\r
919 return retval; /* abort operation */
\r
922 if (written != NULL)
\r
923 *written += run_size; /* add run size to total written counter */
\r
929 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
\r
933 return ERROR_COMMAND_SYNTAX_ERROR;
\r
937 if (strcmp(args[0], "on") == 0)
\r
939 else if (strcmp(args[0], "off") == 0)
\r
942 return ERROR_COMMAND_SYNTAX_ERROR;
\r