1 /* 2 * (C) Copyright 2009 3 * Stefano Babic, DENX Software Engineering, sbabic@denx.de. 4 * 5 * (C) Copyright 2008 6 * Marvell Semiconductor <www.marvell.com> 7 * Written-by: Prafulla Wadaskar <prafulla@marvell.com> 8 * 9 * SPDX-License-Identifier: GPL-2.0+ 10 */ 11 12 /* Required to obtain the getline prototype from stdio.h */ 13 #define _GNU_SOURCE 14 15 #include "mkimage.h" 16 #include <image.h> 17 #include "imximage.h" 18 19 #define UNDEFINED 0xFFFFFFFF 20 21 /* 22 * Supported commands for configuration file 23 */ 24 static table_entry_t imximage_cmds[] = { 25 {CMD_BOOT_FROM, "BOOT_FROM", "boot command", }, 26 {CMD_BOOT_OFFSET, "BOOT_OFFSET", "Boot offset", }, 27 {CMD_DATA, "DATA", "Reg Write Data", }, 28 {CMD_CSF, "CSF", "Command Sequence File", }, 29 {CMD_IMAGE_VERSION, "IMAGE_VERSION", "image version", }, 30 {-1, "", "", }, 31 }; 32 33 /* 34 * Supported Boot options for configuration file 35 * this is needed to set the correct flash offset 36 */ 37 static table_entry_t imximage_boot_offset[] = { 38 {FLASH_OFFSET_ONENAND, "onenand", "OneNAND Flash",}, 39 {FLASH_OFFSET_NAND, "nand", "NAND Flash", }, 40 {FLASH_OFFSET_NOR, "nor", "NOR Flash", }, 41 {FLASH_OFFSET_SATA, "sata", "SATA Disk", }, 42 {FLASH_OFFSET_SD, "sd", "SD Card", }, 43 {FLASH_OFFSET_SPI, "spi", "SPI Flash", }, 44 {-1, "", "Invalid", }, 45 }; 46 47 /* 48 * Supported Boot options for configuration file 49 * this is needed to determine the initial load size 50 */ 51 static table_entry_t imximage_boot_loadsize[] = { 52 {FLASH_LOADSIZE_ONENAND, "onenand", "OneNAND Flash",}, 53 {FLASH_LOADSIZE_NAND, "nand", "NAND Flash", }, 54 {FLASH_LOADSIZE_NOR, "nor", "NOR Flash", }, 55 {FLASH_LOADSIZE_SATA, "sata", "SATA Disk", }, 56 {FLASH_LOADSIZE_SD, "sd", "SD Card", }, 57 {FLASH_LOADSIZE_SPI, "spi", "SPI Flash", }, 58 {-1, "", "Invalid", }, 59 }; 60 61 /* 62 * IMXIMAGE version definition for i.MX chips 63 */ 64 static table_entry_t imximage_versions[] = { 65 {IMXIMAGE_V1, "", " (i.MX25/35/51 compatible)", }, 66 {IMXIMAGE_V2, "", " (i.MX53/6 compatible)", }, 67 {-1, "", " (Invalid)", }, 68 }; 69 70 static struct imx_header imximage_header; 71 static uint32_t imximage_version; 72 /* 73 * Image Vector Table Offset 74 * Initialized to a wrong not 4-bytes aligned address to 75 * check if it is was set by the cfg file. 76 */ 77 static uint32_t imximage_ivt_offset = UNDEFINED; 78 static uint32_t imximage_csf_size = UNDEFINED; 79 /* Initial Load Region Size */ 80 static uint32_t imximage_init_loadsize; 81 82 static set_dcd_val_t set_dcd_val; 83 static set_dcd_rst_t set_dcd_rst; 84 static set_imx_hdr_t set_imx_hdr; 85 static uint32_t max_dcd_entries; 86 static uint32_t *header_size_ptr; 87 static uint32_t *csf_ptr; 88 89 static uint32_t get_cfg_value(char *token, char *name, int linenr) 90 { 91 char *endptr; 92 uint32_t value; 93 94 errno = 0; 95 value = strtoul(token, &endptr, 16); 96 if (errno || (token == endptr)) { 97 fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n", 98 name, linenr, token); 99 exit(EXIT_FAILURE); 100 } 101 return value; 102 } 103 104 static uint32_t detect_imximage_version(struct imx_header *imx_hdr) 105 { 106 imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1; 107 imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2; 108 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; 109 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; 110 111 /* Try to detect V1 */ 112 if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) && 113 (hdr_v1->dcd_table.preamble.barker == DCD_BARKER)) 114 return IMXIMAGE_V1; 115 116 /* Try to detect V2 */ 117 if ((fhdr_v2->header.tag == IVT_HEADER_TAG) && 118 (hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG)) 119 return IMXIMAGE_V2; 120 121 return IMXIMAGE_VER_INVALID; 122 } 123 124 static void err_imximage_version(int version) 125 { 126 fprintf(stderr, 127 "Error: Unsupported imximage version:%d\n", version); 128 129 exit(EXIT_FAILURE); 130 } 131 132 static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno, 133 int fld, uint32_t value, uint32_t off) 134 { 135 dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table; 136 137 switch (fld) { 138 case CFG_REG_SIZE: 139 /* Byte, halfword, word */ 140 if ((value != 1) && (value != 2) && (value != 4)) { 141 fprintf(stderr, "Error: %s[%d] - " 142 "Invalid register size " "(%d)\n", 143 name, lineno, value); 144 exit(EXIT_FAILURE); 145 } 146 dcd_v1->addr_data[off].type = value; 147 break; 148 case CFG_REG_ADDRESS: 149 dcd_v1->addr_data[off].addr = value; 150 break; 151 case CFG_REG_VALUE: 152 dcd_v1->addr_data[off].value = value; 153 break; 154 default: 155 break; 156 157 } 158 } 159 160 static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno, 161 int fld, uint32_t value, uint32_t off) 162 { 163 dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table; 164 165 switch (fld) { 166 case CFG_REG_ADDRESS: 167 dcd_v2->addr_data[off].addr = cpu_to_be32(value); 168 break; 169 case CFG_REG_VALUE: 170 dcd_v2->addr_data[off].value = cpu_to_be32(value); 171 break; 172 default: 173 break; 174 175 } 176 } 177 178 /* 179 * Complete setting up the rest field of DCD of V1 180 * such as barker code and DCD data length. 181 */ 182 static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len, 183 char *name, int lineno) 184 { 185 dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table; 186 187 dcd_v1->preamble.barker = DCD_BARKER; 188 dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t); 189 } 190 191 /* 192 * Complete setting up the reset field of DCD of V2 193 * such as DCD tag, version, length, etc. 194 */ 195 static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len, 196 char *name, int lineno) 197 { 198 dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table; 199 200 dcd_v2->header.tag = DCD_HEADER_TAG; 201 dcd_v2->header.length = cpu_to_be16( 202 dcd_len * sizeof(dcd_addr_data_t) + 8); 203 dcd_v2->header.version = DCD_VERSION; 204 dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG; 205 dcd_v2->write_dcd_command.length = cpu_to_be16( 206 dcd_len * sizeof(dcd_addr_data_t) + 4); 207 dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM; 208 } 209 210 static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len, 211 uint32_t entry_point, uint32_t flash_offset) 212 { 213 imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1; 214 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; 215 dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; 216 uint32_t hdr_base; 217 uint32_t header_length = (((char *)&dcd_v1->addr_data[dcd_len].addr) 218 - ((char *)imxhdr)); 219 220 /* Set magic number */ 221 fhdr_v1->app_code_barker = APP_CODE_BARKER; 222 223 /* TODO: check i.MX image V1 handling, for now use 'old' style */ 224 hdr_base = entry_point - 4096; 225 fhdr_v1->app_dest_ptr = hdr_base - flash_offset; 226 fhdr_v1->app_code_jump_vector = entry_point; 227 228 fhdr_v1->dcd_ptr_ptr = hdr_base + offsetof(flash_header_v1_t, dcd_ptr); 229 fhdr_v1->dcd_ptr = hdr_base + offsetof(imx_header_v1_t, dcd_table); 230 231 /* Security feature are not supported */ 232 fhdr_v1->app_code_csf = 0; 233 fhdr_v1->super_root_key = 0; 234 header_size_ptr = (uint32_t *)(((char *)imxhdr) + header_length - 4); 235 } 236 237 static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len, 238 uint32_t entry_point, uint32_t flash_offset) 239 { 240 imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2; 241 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; 242 uint32_t hdr_base; 243 244 /* Set magic number */ 245 fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */ 246 fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t)); 247 fhdr_v2->header.version = IVT_VERSION; /* 0x40 */ 248 249 fhdr_v2->entry = entry_point; 250 fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0; 251 hdr_base = entry_point - imximage_init_loadsize + 252 flash_offset; 253 fhdr_v2->self = hdr_base; 254 fhdr_v2->dcd_ptr = hdr_base + offsetof(imx_header_v2_t, dcd_table); 255 fhdr_v2->boot_data_ptr = hdr_base 256 + offsetof(imx_header_v2_t, boot_data); 257 hdr_v2->boot_data.start = entry_point - imximage_init_loadsize; 258 259 fhdr_v2->csf = 0; 260 261 header_size_ptr = &hdr_v2->boot_data.size; 262 csf_ptr = &fhdr_v2->csf; 263 } 264 265 static void set_hdr_func(struct imx_header *imxhdr) 266 { 267 switch (imximage_version) { 268 case IMXIMAGE_V1: 269 set_dcd_val = set_dcd_val_v1; 270 set_dcd_rst = set_dcd_rst_v1; 271 set_imx_hdr = set_imx_hdr_v1; 272 max_dcd_entries = MAX_HW_CFG_SIZE_V1; 273 break; 274 case IMXIMAGE_V2: 275 set_dcd_val = set_dcd_val_v2; 276 set_dcd_rst = set_dcd_rst_v2; 277 set_imx_hdr = set_imx_hdr_v2; 278 max_dcd_entries = MAX_HW_CFG_SIZE_V2; 279 break; 280 default: 281 err_imximage_version(imximage_version); 282 break; 283 } 284 } 285 286 static void print_hdr_v1(struct imx_header *imx_hdr) 287 { 288 imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1; 289 flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr; 290 dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table; 291 uint32_t size, length, ver; 292 293 size = dcd_v1->preamble.length; 294 if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) { 295 fprintf(stderr, 296 "Error: Image corrupt DCD size %d exceed maximum %d\n", 297 (uint32_t)(size / sizeof(dcd_type_addr_data_t)), 298 MAX_HW_CFG_SIZE_V1); 299 exit(EXIT_FAILURE); 300 } 301 302 length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t); 303 ver = detect_imximage_version(imx_hdr); 304 305 printf("Image Type: Freescale IMX Boot Image\n"); 306 printf("Image Ver: %x", ver); 307 printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver)); 308 printf("Data Size: "); 309 genimg_print_size(dcd_v1->addr_data[length].type); 310 printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr); 311 printf("Entry Point: %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector); 312 } 313 314 static void print_hdr_v2(struct imx_header *imx_hdr) 315 { 316 imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2; 317 flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr; 318 dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table; 319 uint32_t size, version; 320 321 size = be16_to_cpu(dcd_v2->header.length) - 8; 322 if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) { 323 fprintf(stderr, 324 "Error: Image corrupt DCD size %d exceed maximum %d\n", 325 (uint32_t)(size / sizeof(dcd_addr_data_t)), 326 MAX_HW_CFG_SIZE_V2); 327 exit(EXIT_FAILURE); 328 } 329 330 version = detect_imximage_version(imx_hdr); 331 332 printf("Image Type: Freescale IMX Boot Image\n"); 333 printf("Image Ver: %x", version); 334 printf("%s\n", get_table_entry_name(imximage_versions, NULL, version)); 335 printf("Data Size: "); 336 genimg_print_size(hdr_v2->boot_data.size); 337 printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr); 338 printf("Entry Point: %08x\n", (uint32_t)fhdr_v2->entry); 339 if (fhdr_v2->csf && (imximage_ivt_offset != UNDEFINED) && 340 (imximage_csf_size != UNDEFINED)) { 341 printf("HAB Blocks: %08x %08x %08x\n", 342 (uint32_t)fhdr_v2->self, 0, 343 hdr_v2->boot_data.size - imximage_ivt_offset - 344 imximage_csf_size); 345 } 346 } 347 348 static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token, 349 char *name, int lineno, int fld, int dcd_len) 350 { 351 int value; 352 static int cmd_ver_first = ~0; 353 354 switch (cmd) { 355 case CMD_IMAGE_VERSION: 356 imximage_version = get_cfg_value(token, name, lineno); 357 if (cmd_ver_first == 0) { 358 fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION " 359 "command need be the first before other " 360 "valid command in the file\n", name, lineno); 361 exit(EXIT_FAILURE); 362 } 363 cmd_ver_first = 1; 364 set_hdr_func(imxhdr); 365 break; 366 case CMD_BOOT_FROM: 367 imximage_ivt_offset = get_table_entry_id(imximage_boot_offset, 368 "imximage boot option", token); 369 if (imximage_ivt_offset == -1) { 370 fprintf(stderr, "Error: %s[%d] -Invalid boot device" 371 "(%s)\n", name, lineno, token); 372 exit(EXIT_FAILURE); 373 } 374 375 imximage_init_loadsize = 376 get_table_entry_id(imximage_boot_loadsize, 377 "imximage boot option", token); 378 379 if (imximage_init_loadsize == -1) { 380 fprintf(stderr, 381 "Error: %s[%d] -Invalid boot device(%s)\n", 382 name, lineno, token); 383 exit(EXIT_FAILURE); 384 } 385 386 /* 387 * The SOC loads from the storage starting at address 0 388 * then ensures that the load size contains the offset 389 */ 390 if (imximage_init_loadsize < imximage_ivt_offset) 391 imximage_init_loadsize = imximage_ivt_offset; 392 if (unlikely(cmd_ver_first != 1)) 393 cmd_ver_first = 0; 394 break; 395 case CMD_BOOT_OFFSET: 396 imximage_ivt_offset = get_cfg_value(token, name, lineno); 397 if (unlikely(cmd_ver_first != 1)) 398 cmd_ver_first = 0; 399 break; 400 case CMD_DATA: 401 value = get_cfg_value(token, name, lineno); 402 (*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len); 403 if (unlikely(cmd_ver_first != 1)) 404 cmd_ver_first = 0; 405 break; 406 case CMD_CSF: 407 if (imximage_version != 2) { 408 fprintf(stderr, 409 "Error: %s[%d] - CSF only supported for VERSION 2(%s)\n", 410 name, lineno, token); 411 exit(EXIT_FAILURE); 412 } 413 imximage_csf_size = get_cfg_value(token, name, lineno); 414 if (unlikely(cmd_ver_first != 1)) 415 cmd_ver_first = 0; 416 break; 417 } 418 } 419 420 static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd, 421 char *token, char *name, int lineno, int fld, int *dcd_len) 422 { 423 int value; 424 425 switch (fld) { 426 case CFG_COMMAND: 427 *cmd = get_table_entry_id(imximage_cmds, 428 "imximage commands", token); 429 if (*cmd < 0) { 430 fprintf(stderr, "Error: %s[%d] - Invalid command" 431 "(%s)\n", name, lineno, token); 432 exit(EXIT_FAILURE); 433 } 434 break; 435 case CFG_REG_SIZE: 436 parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len); 437 break; 438 case CFG_REG_ADDRESS: 439 case CFG_REG_VALUE: 440 if (*cmd != CMD_DATA) 441 return; 442 443 value = get_cfg_value(token, name, lineno); 444 (*set_dcd_val)(imxhdr, name, lineno, fld, value, *dcd_len); 445 446 if (fld == CFG_REG_VALUE) { 447 (*dcd_len)++; 448 if (*dcd_len > max_dcd_entries) { 449 fprintf(stderr, "Error: %s[%d] -" 450 "DCD table exceeds maximum size(%d)\n", 451 name, lineno, max_dcd_entries); 452 exit(EXIT_FAILURE); 453 } 454 } 455 break; 456 default: 457 break; 458 } 459 } 460 static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name) 461 { 462 FILE *fd = NULL; 463 char *line = NULL; 464 char *token, *saveptr1, *saveptr2; 465 int lineno = 0; 466 int fld; 467 size_t len; 468 int dcd_len = 0; 469 int32_t cmd; 470 471 fd = fopen(name, "r"); 472 if (fd == 0) { 473 fprintf(stderr, "Error: %s - Can't open DCD file\n", name); 474 exit(EXIT_FAILURE); 475 } 476 477 /* 478 * Very simple parsing, line starting with # are comments 479 * and are dropped 480 */ 481 while ((getline(&line, &len, fd)) > 0) { 482 lineno++; 483 484 token = strtok_r(line, "\r\n", &saveptr1); 485 if (token == NULL) 486 continue; 487 488 /* Check inside the single line */ 489 for (fld = CFG_COMMAND, cmd = CMD_INVALID, 490 line = token; ; line = NULL, fld++) { 491 token = strtok_r(line, " \t", &saveptr2); 492 if (token == NULL) 493 break; 494 495 /* Drop all text starting with '#' as comments */ 496 if (token[0] == '#') 497 break; 498 499 parse_cfg_fld(imxhdr, &cmd, token, name, 500 lineno, fld, &dcd_len); 501 } 502 503 } 504 505 (*set_dcd_rst)(imxhdr, dcd_len, name, lineno); 506 fclose(fd); 507 508 /* Exit if there is no BOOT_FROM field specifying the flash_offset */ 509 if (imximage_ivt_offset == FLASH_OFFSET_UNDEFINED) { 510 fprintf(stderr, "Error: No BOOT_FROM tag in %s\n", name); 511 exit(EXIT_FAILURE); 512 } 513 return dcd_len; 514 } 515 516 517 static int imximage_check_image_types(uint8_t type) 518 { 519 if (type == IH_TYPE_IMXIMAGE) 520 return EXIT_SUCCESS; 521 else 522 return EXIT_FAILURE; 523 } 524 525 static int imximage_verify_header(unsigned char *ptr, int image_size, 526 struct mkimage_params *params) 527 { 528 struct imx_header *imx_hdr = (struct imx_header *) ptr; 529 530 if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID) 531 return -FDT_ERR_BADSTRUCTURE; 532 533 return 0; 534 } 535 536 static void imximage_print_header(const void *ptr) 537 { 538 struct imx_header *imx_hdr = (struct imx_header *) ptr; 539 uint32_t version = detect_imximage_version(imx_hdr); 540 541 switch (version) { 542 case IMXIMAGE_V1: 543 print_hdr_v1(imx_hdr); 544 break; 545 case IMXIMAGE_V2: 546 print_hdr_v2(imx_hdr); 547 break; 548 default: 549 err_imximage_version(version); 550 break; 551 } 552 } 553 554 static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd, 555 struct mkimage_params *params) 556 { 557 struct imx_header *imxhdr = (struct imx_header *)ptr; 558 uint32_t dcd_len; 559 560 /* 561 * In order to not change the old imx cfg file 562 * by adding VERSION command into it, here need 563 * set up function ptr group to V1 by default. 564 */ 565 imximage_version = IMXIMAGE_V1; 566 /* Be able to detect if the cfg file has no BOOT_FROM tag */ 567 imximage_ivt_offset = FLASH_OFFSET_UNDEFINED; 568 imximage_csf_size = 0; 569 set_hdr_func(imxhdr); 570 571 /* Parse dcd configuration file */ 572 dcd_len = parse_cfg_file(imxhdr, params->imagename); 573 574 /* Set the imx header */ 575 (*set_imx_hdr)(imxhdr, dcd_len, params->ep, imximage_ivt_offset); 576 577 /* 578 * ROM bug alert 579 * 580 * MX53 only loads 512 byte multiples in case of SD boot. 581 * MX53 only loads NAND page multiples in case of NAND boot and 582 * supports up to 4096 byte large pages, thus align to 4096. 583 * 584 * The remaining fraction of a block bytes would not be loaded! 585 */ 586 *header_size_ptr = ROUND(sbuf->st_size, 4096); 587 588 if (csf_ptr && imximage_csf_size) { 589 *csf_ptr = params->ep - imximage_init_loadsize + 590 *header_size_ptr; 591 *header_size_ptr += imximage_csf_size; 592 } 593 } 594 595 int imximage_check_params(struct mkimage_params *params) 596 { 597 if (!params) 598 return CFG_INVALID; 599 if (!strlen(params->imagename)) { 600 fprintf(stderr, "Error: %s - Configuration file not specified, " 601 "it is needed for imximage generation\n", 602 params->cmdname); 603 return CFG_INVALID; 604 } 605 /* 606 * Check parameters: 607 * XIP is not allowed and verify that incompatible 608 * parameters are not sent at the same time 609 * For example, if list is required a data image must not be provided 610 */ 611 return (params->dflag && (params->fflag || params->lflag)) || 612 (params->fflag && (params->dflag || params->lflag)) || 613 (params->lflag && (params->dflag || params->fflag)) || 614 (params->xflag) || !(strlen(params->imagename)); 615 } 616 617 static int imximage_generate(struct mkimage_params *params, 618 struct image_type_params *tparams) 619 { 620 struct imx_header *imxhdr; 621 size_t alloc_len; 622 struct stat sbuf; 623 char *datafile = params->datafile; 624 uint32_t pad_len; 625 626 memset(&imximage_header, 0, sizeof(imximage_header)); 627 628 /* 629 * In order to not change the old imx cfg file 630 * by adding VERSION command into it, here need 631 * set up function ptr group to V1 by default. 632 */ 633 imximage_version = IMXIMAGE_V1; 634 /* Be able to detect if the cfg file has no BOOT_FROM tag */ 635 imximage_ivt_offset = FLASH_OFFSET_UNDEFINED; 636 imximage_csf_size = 0; 637 set_hdr_func(imxhdr); 638 639 /* Parse dcd configuration file */ 640 parse_cfg_file(&imximage_header, params->imagename); 641 642 /* TODO: check i.MX image V1 handling, for now use 'old' style */ 643 if (imximage_version == IMXIMAGE_V1) { 644 alloc_len = 4096; 645 } else { 646 if (imximage_init_loadsize < imximage_ivt_offset + 647 sizeof(imx_header_v2_t)) 648 imximage_init_loadsize = imximage_ivt_offset + 649 sizeof(imx_header_v2_t); 650 alloc_len = imximage_init_loadsize - imximage_ivt_offset; 651 } 652 653 if (alloc_len < sizeof(struct imx_header)) { 654 fprintf(stderr, "%s: header error\n", 655 params->cmdname); 656 exit(EXIT_FAILURE); 657 } 658 659 imxhdr = malloc(alloc_len); 660 661 if (!imxhdr) { 662 fprintf(stderr, "%s: malloc return failure: %s\n", 663 params->cmdname, strerror(errno)); 664 exit(EXIT_FAILURE); 665 } 666 667 memset(imxhdr, 0, alloc_len); 668 669 tparams->header_size = alloc_len; 670 tparams->hdr = imxhdr; 671 672 /* determine data image file length */ 673 674 if (stat(datafile, &sbuf) < 0) { 675 fprintf(stderr, "%s: Can't stat %s: %s\n", 676 params->cmdname, datafile, strerror(errno)); 677 exit(EXIT_FAILURE); 678 } 679 680 pad_len = ROUND(sbuf.st_size, 4096) - sbuf.st_size; 681 682 /* TODO: check i.MX image V1 handling, for now use 'old' style */ 683 if (imximage_version == IMXIMAGE_V1) 684 return 0; 685 else 686 return pad_len; 687 } 688 689 690 /* 691 * imximage parameters 692 */ 693 static struct image_type_params imximage_params = { 694 .name = "Freescale i.MX Boot Image support", 695 .header_size = 0, 696 .hdr = NULL, 697 .check_image_type = imximage_check_image_types, 698 .verify_header = imximage_verify_header, 699 .print_header = imximage_print_header, 700 .set_header = imximage_set_header, 701 .check_params = imximage_check_params, 702 .vrec_header = imximage_generate, 703 }; 704 705 void init_imx_image_type(void) 706 { 707 mkimage_register(&imximage_params); 708 } 709