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   1 /***************************************************************************
   2  *   Copyright (C) 2005 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "flash.h"
  25 #include "command.h"
  26 #include "target.h"
  27 #include "time_support.h"
  28 #include "fileio.h"
  29 #include "image.h"
  30 #include "log.h"
  31
  32 #include <string.h>
  33 #include <unistd.h>
  34 #include <stdlib.h>
  35 #include <sys/types.h>
  36 #include <sys/stat.h>
  37 #include <errno.h>
  38 #include <inttypes.h>
  39
  40 /* command handlers */
  41 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  42 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  43 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  44 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  45 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  46 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  47 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  48 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  49 int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  50 int handle_flash_write_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  51 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  52 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  53 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
  54 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
  55
  56 /* flash drivers
  57  */
  58 extern flash_driver_t lpc2000_flash;
  59 extern flash_driver_t cfi_flash;
  60 extern flash_driver_t at91sam7_flash;
  61 extern flash_driver_t str7x_flash;
  62 extern flash_driver_t str9x_flash;
  63 extern flash_driver_t stellaris_flash;
  64 extern flash_driver_t str9xpec_flash;
  65 extern flash_driver_t stm32x_flash;
  66
  67 flash_driver_t *flash_drivers[] =
  68 {
  69         &lpc2000_flash,
  70         &cfi_flash,
  71         &at91sam7_flash,
  72         &str7x_flash,
  73         &str9x_flash,
  74         &stellaris_flash,
  75         &str9xpec_flash,
  76         &stm32x_flash,
  77         NULL,
  78 };
  79
  80 flash_bank_t *flash_banks;
  81 static  command_t *flash_cmd;
  82 static int auto_erase = 0;
  83
  84 int flash_register_commands(struct command_context_s *cmd_ctx)
  85 {
  86         flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL);
  87
  88         register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, NULL);
  89
  90         return ERROR_OK;
  91 }
  92
  93 int flash_init(struct command_context_s *cmd_ctx)
  94 {
  95         if (flash_banks)
  96         {
  97                 register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC,
  98                                                  "list configured flash banks ");
  99                 register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC,
 100                                                  "print info about flash bank <num>");
 101                 register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
 102                                                  "identify flash bank <num>");
 103                 register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
 104                                                  "check erase state of sectors in flash bank <num>");
 105                 register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
 106                                                  "check protection state of sectors in flash bank <num>");
 107                 register_command(cmd_ctx, flash_cmd, "erase", handle_flash_erase_command, COMMAND_EXEC,
 108                                                  "DEPRECATED, use 'erase_sector' instead");
 109                 register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
 110                                                  "erase sectors at <bank> <first> <last>");
 111                 register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
 112                                                  "erase address range <address> <length>");
 113                 register_command(cmd_ctx, flash_cmd, "write", handle_flash_write_binary_command, COMMAND_EXEC,
 114                                                  "DEPRECATED, use 'write_binary' instead");
 115                 register_command(cmd_ctx, flash_cmd, "write_binary", handle_flash_write_binary_command, COMMAND_EXEC,
 116                                                  "write binary <bank> <file> <offset>");
 117                 register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
 118                                                  "write_image <file> [offset] [type]");
 119                 register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
 120                                                  "set protection of sectors at <bank> <first> <last> <on|off>");
 121                 register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_EXEC,
 122                                                  "auto erase flash sectors <on|off>");
 123         }
 124
 125         return ERROR_OK;
 126 }
 127
 128 flash_bank_t *get_flash_bank_by_num(int num)
 129 {
 130         flash_bank_t *p;
 131         int i = 0;
 132
 133         for (p = flash_banks; p; p = p->next)
 134         {
 135                 if (i++ == num)
 136                 {
 137                         return p;
 138                 }
 139         }
 140
 141         return NULL;
 142 }
 143
 144 /* flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]
 145  */
 146 int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 147 {
 148         int i;
 149         int found = 0;
 150         target_t *target;
 151
 152         if (argc < 6)
 153         {
 154                 WARNING("incomplete flash_bank configuration");
 155                 WARNING("flash_bank <driver> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
 156                 return ERROR_OK;
 157         }
 158
 159         if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
 160         {
 161                 ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
 162                 return ERROR_OK;
 163         }
 164
 165         for (i = 0; flash_drivers[i]; i++)
 166         {
 167                 if (strcmp(args[0], flash_drivers[i]->name) == 0)
 168                 {
 169                         flash_bank_t *p, *c;
 170
 171                         /* register flash specific commands */
 172                         if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
 173                         {
 174                                 ERROR("couldn't register '%s' commands", args[0]);
 175                                 exit(-1);
 176                         }
 177
 178                         c = malloc(sizeof(flash_bank_t));
 179                         c->target = target;
 180                         c->driver = flash_drivers[i];
 181                         c->driver_priv = NULL;
 182                         c->base = strtoul(args[1], NULL, 0);
 183                         c->size = strtoul(args[2], NULL, 0);
 184                         c->chip_width = strtoul(args[3], NULL, 0);
 185                         c->bus_width = strtoul(args[4], NULL, 0);
 186                         c->num_sectors = 0;
 187                         c->sectors = NULL;
 188                         c->next = NULL;
 189
 190                         if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
 191                         {
 192                                 ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base);
 193                                 free(c);
 194                                 return ERROR_OK;
 195                         }
 196
 197                         /* put flash bank in linked list */
 198                         if (flash_banks)
 199                         {
 200                                 /* find last flash bank */
 201                                 for (p = flash_banks; p && p->next; p = p->next);
 202                                 if (p)
 203                                         p->next = c;
 204                         }
 205                         else
 206                         {
 207                                 flash_banks = c;
 208                         }
 209
 210                         found = 1;
 211                 }
 212         }
 213
 214         /* no matching flash driver found */
 215         if (!found)
 216         {
 217                 ERROR("flash driver '%s' not found", args[0]);
 218                 exit(-1);
 219         }
 220
 221         return ERROR_OK;
 222 }
 223
 224 int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 225 {
 226         flash_bank_t *p;
 227         int i = 0;
 228
 229         if (!flash_banks)
 230         {
 231                 command_print(cmd_ctx, "no flash banks configured");
 232                 return ERROR_OK;
 233         }
 234
 235         for (p = flash_banks; p; p = p->next)
 236         {
 237                 command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
 238                                           i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
 239         }
 240
 241         return ERROR_OK;
 242 }
 243
 244 int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 245 {
 246         flash_bank_t *p;
 247         int i = 0;
 248         int j = 0;
 249
 250         if (argc != 1)
 251         {
 252                 command_print(cmd_ctx, "usage: flash info <num>");
 253                 return ERROR_OK;
 254         }
 255
 256         for (p = flash_banks; p; p = p->next, i++)
 257         {
 258                 if (i == strtoul(args[0], NULL, 0))
 259                 {
 260                         char buf[1024];
 261
 262                         command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i",
 263                                                 i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width);
 264                         for (j = 0; j < p->num_sectors; j++)
 265                         {
 266                                 char *erase_state, *protect_state;
 267
 268                                 if (p->sectors[j].is_erased == 0)
 269                                         erase_state = "not erased";
 270                                 else if (p->sectors[j].is_erased == 1)
 271                                         erase_state = "erased";
 272                                 else
 273                                         erase_state = "erase state unknown";
 274
 275                                 if (p->sectors[j].is_protected == 0)
 276                                         protect_state = "not protected";
 277                                 else if (p->sectors[j].is_protected == 1)
 278                                         protect_state = "protected";
 279                                 else
 280                                         protect_state = "protection state unknown";
 281
 282                                 command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s",
 283                                                         j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
 284                                                         erase_state, protect_state);
 285                         }
 286
 287                         p->driver->info(p, buf, 1024);
 288                         command_print(cmd_ctx, "%s", buf);
 289                 }
 290         }
 291
 292         return ERROR_OK;
 293 }
 294
 295 int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 296 {
 297         flash_bank_t *p;
 298         int retval;
 299
 300         if (argc != 1)
 301         {
 302                 command_print(cmd_ctx, "usage: flash probe <num>");
 303                 return ERROR_OK;
 304         }
 305
 306         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 307         if (p)
 308         {
 309                 if ((retval = p->driver->probe(p)) == ERROR_OK)
 310                 {
 311                         command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base);
 312                 }
 313                 else if (retval == ERROR_FLASH_BANK_INVALID)
 314                 {
 315                         command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x",
 316                                                   args[0], p->base);
 317                 }
 318                 else
 319                 {
 320                         command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x",
 321                                                   args[0], p->base);
 322                 }
 323         }
 324         else
 325         {
 326                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 327         }
 328
 329         return ERROR_OK;
 330 }
 331
 332 int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 333 {
 334         flash_bank_t *p;
 335         int retval;
 336
 337         if (argc != 1)
 338         {
 339                 command_print(cmd_ctx, "usage: flash erase_check <num>");
 340                 return ERROR_OK;
 341         }
 342
 343         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 344         if (p)
 345         {
 346                 if ((retval = p->driver->erase_check(p)) == ERROR_OK)
 347                 {
 348                         command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
 349                 }
 350                 else
 351                 {
 352                         command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x",
 353                                 args[0], p->base);
 354                 }
 355         }
 356         else
 357         {
 358                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 359         }
 360
 361         return ERROR_OK;
 362 }
 363
 364 int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 365 {
 366         flash_bank_t *p;
 367         int retval;
 368         int address;
 369         int length;
 370         duration_t duration;
 371         char *duration_text;
 372
 373         target_t *target = get_current_target(cmd_ctx);
 374
 375         if (argc != 2)
 376         {
 377                 command_print(cmd_ctx, "usage: flash erase_address <address> <length>");
 378                 return ERROR_OK;
 379         }
 380
 381         address = strtoul(args[0], NULL, 0);
 382         length = strtoul(args[1], NULL, 0);
 383         if (length <= 0)
 384         {
 385                 command_print(cmd_ctx, "Length must be >0");
 386                 return ERROR_INVALID_ARGUMENTS;
 387         }
 388
 389         p = get_flash_bank_by_addr(target, address);
 390         if (p == NULL)
 391         {
 392                 command_print(cmd_ctx, "No flash at that address");
 393                 return ERROR_INVALID_ARGUMENTS;
 394         }
 395
 396         /* We can't know if we did a resume + halt, in which case we no longer know the erased state */
 397         flash_set_dirty();
 398
 399         duration_start_measure(&duration);
 400
 401         if ((retval = flash_erase(target, address, length)) != ERROR_OK)
 402         {
 403                 switch (retval)
 404                 {
 405                         case ERROR_TARGET_NOT_HALTED:
 406                                 command_print(cmd_ctx, "can't work with this flash while target is running");
 407                                 break;
 408                         case ERROR_INVALID_ARGUMENTS:
 409                                 command_print(cmd_ctx, "usage: flash erase_address <address> <length>");
 410                                 break;
 411                         case ERROR_FLASH_BANK_INVALID:
 412                                 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
 413                                 break;
 414                         case ERROR_FLASH_OPERATION_FAILED:
 415                                 command_print(cmd_ctx, "flash erase error");
 416                                 break;
 417                         case ERROR_FLASH_SECTOR_INVALID:
 418                                 command_print(cmd_ctx, "sector number(s) invalid");
 419                                 break;
 420                         default:
 421                                 command_print(cmd_ctx, "unknown error");
 422                 }
 423         }
 424         else
 425         {
 426                 duration_stop_measure(&duration, &duration_text);
 427                 command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text);
 428                 free(duration_text);
 429         }
 430
 431         return retval;
 432 }
 433
 434 int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 435 {
 436         flash_bank_t *p;
 437         int retval;
 438
 439         if (argc != 1)
 440         {
 441                 command_print(cmd_ctx, "usage: flash protect_check <num>");
 442                 return ERROR_OK;
 443         }
 444
 445         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 446         if (p)
 447         {
 448                 if ((retval = p->driver->protect_check(p)) == ERROR_OK)
 449                 {
 450                         command_print(cmd_ctx, "successfully checked protect state");
 451                 }
 452                 else if (retval == ERROR_FLASH_OPERATION_FAILED)
 453                 {
 454                         command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base);
 455                 }
 456                 else
 457                 {
 458                         command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base);
 459                 }
 460         }
 461         else
 462         {
 463                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 464         }
 465
 466         return ERROR_OK;
 467 }
 468
 469 int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 470 {
 471         if (argc > 2)
 472         {
 473                 int first = strtoul(args[1], NULL, 0);
 474                 int last = strtoul(args[2], NULL, 0);
 475                 int retval;
 476                 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 477                 duration_t duration;
 478                 char *duration_text;
 479
 480                 duration_start_measure(&duration);
 481
 482                 if (!p)
 483                 {
 484                         command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 485                         return ERROR_OK;
 486                 }
 487
 488                 if ((retval = p->driver->erase(p, first, last)) != ERROR_OK)
 489                 {
 490                         switch (retval)
 491                         {
 492                                 case ERROR_TARGET_NOT_HALTED:
 493                                         command_print(cmd_ctx, "can't work with this flash while target is running");
 494                                         break;
 495                                 case ERROR_INVALID_ARGUMENTS:
 496                                         command_print(cmd_ctx, "usage: flash_erase <bank> <first> <last>");
 497                                         break;
 498                                 case ERROR_FLASH_BANK_INVALID:
 499                                         command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
 500                                         break;
 501                                 case ERROR_FLASH_OPERATION_FAILED:
 502                                         command_print(cmd_ctx, "flash erase error");
 503                                         break;
 504                                 case ERROR_FLASH_SECTOR_INVALID:
 505                                         command_print(cmd_ctx, "sector number(s) invalid");
 506                                         break;
 507                                 case ERROR_OK:
 508                                         command_print(cmd_ctx, "erased flash sectors %i to %i", first, last);
 509                                         break;
 510                                 default:
 511                                         command_print(cmd_ctx, "unknown error");
 512                         }
 513                 }
 514                 else
 515                 {
 516                         duration_stop_measure(&duration, &duration_text);
 517
 518                         command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
 519                         free(duration_text);
 520                 }
 521         }
 522         else
 523         {
 524                 command_print(cmd_ctx, "usage: flash erase <bank> <first> <last>");
 525         }
 526
 527         return ERROR_OK;
 528 }
 529
 530 int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 531 {
 532         if (argc > 3)
 533         {
 534                 int first = strtoul(args[1], NULL, 0);
 535                 int last = strtoul(args[2], NULL, 0);
 536                 int set;
 537                 int retval;
 538                 flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 539                 if (!p)
 540                 {
 541                         command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 542                         return ERROR_OK;
 543                 }
 544
 545                 if (strcmp(args[3], "on") == 0)
 546                         set = 1;
 547                 else if (strcmp(args[3], "off") == 0)
 548                         set = 0;
 549                 else
 550                 {
 551                         command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
 552                         return ERROR_OK;
 553                 }
 554
 555                 if ((retval = p->driver->protect(p, set, first, last)) != ERROR_OK)
 556                 {
 557                         switch (retval)
 558                         {
 559                                 case ERROR_TARGET_NOT_HALTED:
 560                                         command_print(cmd_ctx, "can't work with this flash while target is running");
 561                                         break;
 562                                 case ERROR_INVALID_ARGUMENTS:
 563                                         command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
 564                                         break;
 565                                 case ERROR_FLASH_BANK_INVALID:
 566                                         command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
 567                                         break;
 568                                 case ERROR_FLASH_OPERATION_FAILED:
 569                                         command_print(cmd_ctx, "flash program error");
 570                                         break;
 571                                 case ERROR_FLASH_SECTOR_INVALID:
 572                                         command_print(cmd_ctx, "sector number(s) invalid");
 573                                         break;
 574                                 case ERROR_OK:
 575                                         command_print(cmd_ctx, "protection of flash sectors %i to %i turned %s", first, last, args[3]);
 576                                         break;
 577                                 default:
 578                                         command_print(cmd_ctx, "unknown error");
 579                         }
 580                 }
 581                 else
 582                 {
 583                         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));
 584                 }
 585         }
 586         else
 587         {
 588                 command_print(cmd_ctx, "usage: flash protect <bank> <first> <last> <on|off>");
 589         }
 590
 591         return ERROR_OK;
 592 }
 593
 594 int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 595 {
 596         target_t *target = get_current_target(cmd_ctx);
 597
 598         image_t image;
 599         u32 written;
 600         char *error_str;
 601         int *failed;
 602
 603         int i;
 604
 605         duration_t duration;
 606         char *duration_text;
 607
 608         int retval;
 609
 610         if (argc < 1)
 611         {
 612                 command_print(cmd_ctx, "usage: flash %s <file> [offset] [type]", cmd);
 613                 return ERROR_INVALID_ARGUMENTS;
 614         }
 615
 616         if (!target)
 617         {
 618                 ERROR("no target selected");
 619                 return ERROR_OK;
 620         }
 621
 622         duration_start_measure(&duration);
 623
 624         if (argc >= 2)
 625         {
 626                 image.base_address_set = 1;
 627                 image.base_address = strtoul(args[1], NULL, 0);
 628         }
 629         else
 630         {
 631                 image.base_address_set = 0;
 632                 image.base_address = 0x0;
 633         }
 634
 635         image.start_address_set = 0;
 636
 637         retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
 638         if (retval != ERROR_OK)
 639         {
 640                 command_print(cmd_ctx, "image_open error: %s", image.error_str);
 641                 return retval;
 642         }
 643
 644         failed = malloc(sizeof(int) * image.num_sections);
 645
 646         error_str = NULL;
 647
 648         retval = flash_write(target, &image, &written, &error_str, failed, auto_erase);
 649
 650         if (retval != ERROR_OK)
 651         {
 652                 if (error_str)
 653                 {
 654                         command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
 655                         free(error_str);
 656                 }
 657                 image_close(&image);
 658                 free(failed);
 659                 return retval;
 660         }
 661
 662         for (i = 0; i < image.num_sections; i++)
 663         {
 664                 if (failed[i])
 665                 {
 666                         command_print(cmd_ctx, "didn't write section at 0x%8.8x, size 0x%8.8x",
 667                                         image.sections[i].base_address, image.sections[i].size);
 668                 }
 669         }
 670
 671         duration_stop_measure(&duration, &duration_text);
 672         command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
 673                 written, args[0], duration_text,
 674                 (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
 675         free(duration_text);
 676         free(failed);
 677
 678         image_close(&image);
 679
 680         return ERROR_OK;
 681 }
 682
 683 int handle_flash_write_binary_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
 684 {
 685         u32 offset;
 686         u8 *buffer;
 687         u32 buf_cnt;
 688
 689         fileio_t fileio;
 690
 691         duration_t duration;
 692         char *duration_text;
 693
 694         int retval;
 695         flash_bank_t *p;
 696
 697         if (argc < 3)
 698         {
 699                 command_print(cmd_ctx, "usage: flash write_binary <bank> <file> <offset>");
 700                 return ERROR_OK;
 701         }
 702
 703         duration_start_measure(&duration);
 704
 705         offset = strtoul(args[2], NULL, 0);
 706         p = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
 707         if (!p)
 708         {
 709                 command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]);
 710                 return ERROR_OK;
 711         }
 712
 713         if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
 714         {
 715                 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
 716                 return ERROR_OK;
 717         }
 718
 719         buffer = malloc(fileio.size);
 720         if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
 721         {
 722                 command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str);
 723                 return ERROR_OK;
 724         }
 725
 726         if ((retval = p->driver->write(p, buffer, offset, buf_cnt)) != ERROR_OK)
 727         {
 728                 command_print(cmd_ctx, "failed writing file %s to flash bank %i at offset 0x%8.8x",
 729                         args[1], strtoul(args[0], NULL, 0), strtoul(args[2], NULL, 0));
 730
 731                 switch (retval)
 732                 {
 733                         case ERROR_TARGET_NOT_HALTED:
 734                                 command_print(cmd_ctx, "can't work with this flash while target is running");
 735                                 break;
 736                         case ERROR_INVALID_ARGUMENTS:
 737                                 command_print(cmd_ctx, "usage: flash write <bank> <file> <offset>");
 738                                 break;
 739                         case ERROR_FLASH_BANK_INVALID:
 740                                 command_print(cmd_ctx, "no '%s' flash found at 0x%8.8x", p->driver->name, p->base);
 741                                 break;
 742                         case ERROR_FLASH_OPERATION_FAILED:
 743                                 command_print(cmd_ctx, "flash program error");
 744                                 break;
 745                         case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
 746                                 command_print(cmd_ctx, "offset breaks required alignment");
 747                                 break;
 748                         case ERROR_FLASH_DST_OUT_OF_BANK:
 749                                 command_print(cmd_ctx, "destination is out of flash bank (offset and/or file too large)");
 750                                 break;
 751                         case ERROR_FLASH_SECTOR_NOT_ERASED:
 752                                 command_print(cmd_ctx, "destination sector(s) not erased");
 753                                 break;
 754                         default:
 755                                 command_print(cmd_ctx, "unknown error");
 756                 }
 757         }
 758
 759         free(buffer);
 760
 761         duration_stop_measure(&duration, &duration_text);
 762         command_print(cmd_ctx, "wrote  %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)",
 763                 fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text,
 764                 (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
 765         free(duration_text);
 766
 767         fileio_close(&fileio);
 768
 769         return ERROR_OK;
 770 }
 771
 772 void flash_set_dirty(void)
 773 {
 774         flash_bank_t *c;
 775         int i;
 776
 777         /* set all flash to require erasing */
 778         for (c = flash_banks; c; c = c->next)
 779         {
 780                 for (i = 0; i < c->num_sectors; i++)
 781                 {
 782                         c->sectors[i].is_erased = 0;
 783                 }
 784         }
 785 }
 786
 787 /* lookup flash bank by address */
 788 flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
 789 {
 790         flash_bank_t *c;
 791
 792         /* cycle through bank list */
 793         for (c = flash_banks; c; c = c->next)
 794         {
 795                 /* check whether address belongs to this flash bank */
 796                 if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
 797                         return c;
 798         }
 799
 800         return NULL;
 801 }
 802
 803 /* erase given flash region, selects proper bank according to target and address */
 804 int flash_erase(target_t *target, u32 addr, u32 length)
 805 {
 806         flash_bank_t *c;
 807         int first = -1;
 808         int last = -1;
 809         int i;
 810
 811         if ((c = get_flash_bank_by_addr(target, addr)) == NULL)
 812                 return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */
 813
 814         if (c->size == 0 || c->num_sectors == 0)
 815                 return ERROR_FLASH_BANK_INVALID;
 816
 817         if (length == 0)
 818         {
 819                 /* special case, erase whole bank when length is zero */
 820                 if (addr != c->base)
 821                         return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 822
 823                 return c->driver->erase(c, 0, c->num_sectors - 1);
 824         }
 825
 826         /* check whether it fits */
 827         if (addr + length > c->base + c->size)
 828                 return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
 829
 830         addr -= c->base;
 831
 832         for (i = 0; i < c->num_sectors; i++)
 833         {
 834                 /* check whether sector overlaps with the given range and is not yet erased */
 835                 if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) {
 836                         /* if first is not set yet then this is the first sector */
 837                         if (first == -1)
 838                                 first = i;
 839                         last = i; /* and it is the last one so far in any case */
 840                 }
 841         }
 842
 843         if( first == -1 || last == -1 )
 844                 return ERROR_OK;
 845
 846         return c->driver->erase(c, first, last);
 847 }
 848
 849 /* write (optional verify) an image to flash memory of the given target */
 850 int flash_write(target_t *target, image_t *image, u32 *written, char **error_str, int *failed, int erase)
 851 {
 852         int retval;
 853         int i;
 854
 855         int section;
 856         u32 section_offset;
 857         flash_bank_t *c;
 858
 859         section = 0;
 860         section_offset = 0;
 861
 862         if (written)
 863                 *written = 0;
 864
 865         if (failed != NULL)
 866                 for (i = 0; i < image->num_sections; i++)
 867                         failed[i] = 0;
 868
 869         if (erase)
 870         {
 871                 /* assume all sectors need erasing - stops any problems
 872                  * when flash_write is called multiple times */
 873
 874                 flash_set_dirty();
 875         }
 876
 877         /* loop until we reach end of the image */
 878         while (section < image->num_sections)
 879         {
 880                 u32 buffer_size;
 881                 u8 *buffer;
 882                 int section_first;
 883                 int section_last;
 884                 u32 run_address = image->sections[section].base_address + section_offset;
 885                 u32 run_size = image->sections[section].size - section_offset;
 886
 887                 if (image->sections[section].size ==  0)
 888                 {
 889                         WARNING("empty section %d", section);
 890                         section++;
 891                         section_offset = 0;
 892                         continue;
 893                 }
 894
 895                 /* find the corresponding flash bank */
 896                 if ((c = get_flash_bank_by_addr(target, run_address)) == NULL)
 897                 {
 898                         if (failed == NULL)
 899                         {
 900                                 if (error_str == NULL)
 901                                         return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
 902                                 *error_str = malloc(FLASH_MAX_ERROR_STR);
 903                                 snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
 904                                 return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
 905                         }
 906                         failed[section] = ERROR_FLASH_DST_OUT_OF_BANK; /* mark the section as failed */
 907                         section++; /* and skip it */
 908                         section_offset = 0;
 909                         continue;
 910                 }
 911
 912                 /* collect consecutive sections which fall into the same bank */
 913                 section_first = section;
 914                 section_last = section;
 915                 while ((run_address + run_size < c->base + c->size)
 916                                 && (section_last + 1 < image->num_sections))
 917                 {
 918                         if (image->sections[section_last + 1].base_address < (run_address + run_size))
 919                         {
 920                                 DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
 921                                 break;
 922                         }
 923                         if (image->sections[section_last + 1].base_address != (run_address + run_size))
 924                                 break;
 925                         run_size += image->sections[++section_last].size;
 926                 }
 927
 928                 /* fit the run into bank constraints */
 929                 if (run_address + run_size > c->base + c->size)
 930                         run_size = c->base + c->size - run_address;
 931
 932                 /* allocate buffer */
 933                 buffer = malloc(run_size);
 934                 buffer_size = 0;
 935
 936                 /* read sections to the buffer */
 937                 while (buffer_size < run_size)
 938                 {
 939                         u32 size_read;
 940
 941                         if (buffer_size - run_size <= image->sections[section].size - section_offset)
 942                                 size_read = buffer_size - run_size;
 943                         else
 944                                 size_read = image->sections[section].size - section_offset;
 945
 946                         if ((retval = image_read_section(image, section, section_offset,
 947                                         size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0)
 948                         {
 949                                 free(buffer);
 950
 951                                 if (error_str == NULL)
 952                                         return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
 953
 954                                 *error_str = malloc(FLASH_MAX_ERROR_STR);
 955
 956                                 /* if image_read_section returned an error there's an error string we can pass on */
 957                                 if (retval != ERROR_OK)
 958                                         snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image: %s", image->error_str);
 959                                 else
 960                                         snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image");
 961
 962                                 return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
 963                         }
 964
 965                         buffer_size += size_read;
 966                         section_offset += size_read;
 967
 968                         if (section_offset >= image->sections[section].size)
 969                         {
 970                                 section++;
 971                                 section_offset = 0;
 972                         }
 973                 }
 974
 975                 retval = ERROR_OK;
 976
 977                 if (erase)
 978                 {
 979                         /* calculate and erase sectors */
 980                         retval = flash_erase( target, run_address, run_size );
 981                 }
 982
 983                 if (retval == ERROR_OK)
 984                 {
 985                         /* write flash sectors */
 986                         retval = c->driver->write(c, buffer, run_address - c->base, run_size);
 987                 }
 988
 989                 free(buffer);
 990
 991                 if (retval != ERROR_OK)
 992                 {
 993                         if (error_str == NULL)
 994                                 return retval; /* abort operation */
 995
 996                         *error_str = malloc(FLASH_MAX_ERROR_STR);
 997                         switch (retval)
 998                         {
 999                                 case ERROR_TARGET_NOT_HALTED:
1000                                         snprintf(*error_str, FLASH_MAX_ERROR_STR, "can't flash image while target is running");
1001                                         break;
1002                                 case ERROR_INVALID_ARGUMENTS:
1003                                         snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash driver can't fulfill request");
1004                                         break;
1005                                 case ERROR_FLASH_OPERATION_FAILED:
1006                                         snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash program error");
1007                                         break;
1008                                 case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
1009                                         snprintf(*error_str, FLASH_MAX_ERROR_STR, "offset breaks required alignment");
1010                                         break;
1011                                 case ERROR_FLASH_DST_OUT_OF_BANK:
1012                                         snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
1013                                         break;
1014                                 case ERROR_FLASH_SECTOR_NOT_ERASED:
1015                                         snprintf(*error_str, FLASH_MAX_ERROR_STR, "destination sector(s) not erased");
1016                                         break;
1017                                 default:
1018                                         snprintf(*error_str, FLASH_MAX_ERROR_STR, "unknown error: %i", retval);
1019                         }
1020
1021                         return retval; /* abort operation */
1022                 }
1023
1024                 if (written != NULL)
1025                         *written += run_size; /* add run size to total written counter */
1026         }
1027
1028         return ERROR_OK;
1029 }
1030
1031 int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
1032 {
1033         if (argc != 1)
1034         {
1035                 command_print(cmd_ctx, "usage: flash auto_erase <on|off>");
1036                 return ERROR_OK;
1037         }
1038
1039         if (strcmp(args[0], "on") == 0)
1040                 auto_erase = 1;
1041         else if (strcmp(args[0], "off") == 0)
1042                 auto_erase = 0;
1043
1044         return ERROR_OK;
1045 }