1/* 2 * (C) Copyright 2000-2004 3 * DENX Software Engineering 4 * Wolfgang Denk, wd@denx.de 5 * All rights reserved. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of 10 * the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 20 * MA 02111-1307 USA 21 */ 22#ifdef __APPLE__ 23#define __FreeBSD__ 10 24#endif 25 26#include <errno.h> 27#include <fcntl.h> 28#include <stdio.h> 29#include <stdlib.h> 30#include <string.h> 31#ifndef __WIN32__ 32#include <netinet/in.h> /* for host / network byte order conversions */ 33#endif 34#include <sys/mman.h> 35#include <sys/stat.h> 36#include <time.h> 37#include <unistd.h> 38 39#if defined(__BEOS__) || defined(__NetBSD__) || defined(__APPLE__) 40#include <inttypes.h> 41#include <sys/types.h> 42#endif 43#ifdef __WIN32__ 44typedef unsigned int __u32; 45 46#define SWAP_LONG(x) \ 47 ((__u32)( \ 48 (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \ 49 (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \ 50 (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \ 51 (((__u32)(x) & (__u32)0xff000000UL) >> 24) )) 52typedef unsigned char uint8_t; 53typedef unsigned short uint16_t; 54typedef unsigned int uint32_t; 55 56#define ntohl(a) SWAP_LONG(a) 57#define htonl(a) SWAP_LONG(a) 58#endif /* __WIN32__ */ 59 60#ifndef O_BINARY /* should be define'd on __WIN32__ */ 61#define O_BINARY 0 62#endif 63 64#include "image.h" 65 66extern int errno; 67 68#ifndef MAP_FAILED 69#define MAP_FAILED (-1) 70#endif 71 72char *cmdname; 73 74extern unsigned long crc32 (unsigned long crc, const char *buf, unsigned int len); 75 76typedef struct table_entry { 77 int val; /* as defined in image.h */ 78 char *sname; /* short (input) name */ 79 char *lname; /* long (output) name */ 80} table_entry_t; 81 82table_entry_t arch_name[] = { 83 { IH_CPU_INVALID, NULL, "Invalid CPU", }, 84 { IH_CPU_ALPHA, "alpha", "Alpha", }, 85 { IH_CPU_ARM, "arm", "ARM", }, 86 { IH_CPU_I386, "x86", "Intel x86", }, 87 { IH_CPU_IA64, "ia64", "IA64", }, 88 { IH_CPU_M68K, "m68k", "MC68000", }, 89 { IH_CPU_MICROBLAZE, "microblaze", "MicroBlaze", }, 90 { IH_CPU_MIPS, "mips", "MIPS", }, 91 { IH_CPU_MIPS64, "mips64", "MIPS 64 Bit", }, 92 { IH_CPU_NIOS, "nios", "NIOS", }, 93 { IH_CPU_NIOS2, "nios2", "NIOS II", }, 94 { IH_CPU_PPC, "ppc", "PowerPC", }, 95 { IH_CPU_S390, "s390", "IBM S390", }, 96 { IH_CPU_SH, "sh", "SuperH", }, 97 { IH_CPU_SPARC, "sparc", "SPARC", }, 98 { IH_CPU_SPARC64, "sparc64", "SPARC 64 Bit", }, 99 { IH_CPU_BLACKFIN, "blackfin", "Blackfin", }, 100 { IH_CPU_AVR32, "avr32", "AVR32", }, 101 { -1, "", "", }, 102}; 103 104table_entry_t os_name[] = { 105 { IH_OS_INVALID, NULL, "Invalid OS", }, 106 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 107 { IH_OS_ARTOS, "artos", "ARTOS", }, 108 { IH_OS_DELL, "dell", "Dell", }, 109 { IH_OS_ESIX, "esix", "Esix", }, 110 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 111 { IH_OS_IRIX, "irix", "Irix", }, 112 { IH_OS_LINUX, "linux", "Linux", }, 113 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 114 { IH_OS_NCR, "ncr", "NCR", }, 115 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 116 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 117 { IH_OS_PSOS, "psos", "pSOS", }, 118 { IH_OS_QNX, "qnx", "QNX", }, 119 { IH_OS_RTEMS, "rtems", "RTEMS", }, 120 { IH_OS_SCO, "sco", "SCO", }, 121 { IH_OS_SOLARIS, "solaris", "Solaris", }, 122 { IH_OS_SVR4, "svr4", "SVR4", }, 123 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 124 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 125 { -1, "", "", }, 126}; 127 128table_entry_t type_name[] = { 129 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 130 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 131 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 132 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 133 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 134 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 135 { IH_TYPE_SCRIPT, "script", "Script", }, 136 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 137 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 138 { -1, "", "", }, 139}; 140 141table_entry_t comp_name[] = { 142 { IH_COMP_NONE, "none", "uncompressed", }, 143 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 144 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 145 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 146 { -1, "", "", }, 147}; 148 149static void copy_file (int, const char *, int); 150static void usage (void); 151static void print_header (image_header_t *); 152static void print_type (image_header_t *); 153static char *put_table_entry (table_entry_t *, char *, int); 154static char *put_arch (int); 155static char *put_type (int); 156static char *put_os (int); 157static char *put_comp (int); 158static int get_table_entry (table_entry_t *, char *, char *); 159static int get_arch(char *); 160static int get_comp(char *); 161static int get_os (char *); 162static int get_type(char *); 163 164 165char *datafile; 166char *imagefile; 167 168int dflag = 0; 169int eflag = 0; 170int lflag = 0; 171int vflag = 0; 172int xflag = 0; 173int opt_os = IH_OS_LINUX; 174int opt_arch = IH_CPU_PPC; 175int opt_type = IH_TYPE_KERNEL; 176int opt_comp = IH_COMP_GZIP; 177 178image_header_t header; 179image_header_t *hdr = &header; 180 181int 182main (int argc, char **argv) 183{ 184 int ifd; 185 uint32_t checksum; 186 uint32_t addr; 187 uint32_t ep; 188 struct stat sbuf; 189 unsigned char *ptr; 190 char *name = ""; 191 192 cmdname = *argv; 193 194 addr = ep = 0; 195 196 while (--argc > 0 && **++argv == '-') { 197 while (*++*argv) { 198 switch (**argv) { 199 case 'l': 200 lflag = 1; 201 break; 202 case 'A': 203 if ((--argc <= 0) || 204 (opt_arch = get_arch(*++argv)) < 0) 205 usage (); 206 goto NXTARG; 207 case 'C': 208 if ((--argc <= 0) || 209 (opt_comp = get_comp(*++argv)) < 0) 210 usage (); 211 goto NXTARG; 212 case 'O': 213 if ((--argc <= 0) || 214 (opt_os = get_os(*++argv)) < 0) 215 usage (); 216 goto NXTARG; 217 case 'T': 218 if ((--argc <= 0) || 219 (opt_type = get_type(*++argv)) < 0) 220 usage (); 221 goto NXTARG; 222 223 case 'a': 224 if (--argc <= 0) 225 usage (); 226 addr = strtoul (*++argv, (char **)&ptr, 16); 227 if (*ptr) { 228 fprintf (stderr, 229 "%s: invalid load address %s\n", 230 cmdname, *argv); 231 exit (EXIT_FAILURE); 232 } 233 goto NXTARG; 234 case 'd': 235 if (--argc <= 0) 236 usage (); 237 datafile = *++argv; 238 dflag = 1; 239 goto NXTARG; 240 case 'e': 241 if (--argc <= 0) 242 usage (); 243 ep = strtoul (*++argv, (char **)&ptr, 16); 244 if (*ptr) { 245 fprintf (stderr, 246 "%s: invalid entry point %s\n", 247 cmdname, *argv); 248 exit (EXIT_FAILURE); 249 } 250 eflag = 1; 251 goto NXTARG; 252 case 'n': 253 if (--argc <= 0) 254 usage (); 255 name = *++argv; 256 goto NXTARG; 257 case 'v': 258 vflag++; 259 break; 260 case 'x': 261 xflag++; 262 break; 263 default: 264 usage (); 265 } 266 } 267NXTARG: ; 268 } 269 270 if ((argc != 1) || ((lflag ^ dflag) == 0)) 271 usage(); 272 273 if (!eflag) { 274 ep = addr; 275 /* If XIP, entry point must be after the U-Boot header */ 276 if (xflag) 277 ep += sizeof(image_header_t); 278 } 279 280 /* 281 * If XIP, ensure the entry point is equal to the load address plus 282 * the size of the U-Boot header. 283 */ 284 if (xflag) { 285 if (ep != addr + sizeof(image_header_t)) { 286 fprintf (stderr, 287 "%s: For XIP, the entry point must be the load addr + %lu\n", 288 cmdname, 289 (unsigned long)sizeof(image_header_t)); 290 exit (EXIT_FAILURE); 291 } 292 } 293 294 imagefile = *argv; 295 296 if (lflag) { 297 ifd = open(imagefile, O_RDONLY|O_BINARY); 298 } else { 299 ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666); 300 } 301 302 if (ifd < 0) { 303 fprintf (stderr, "%s: Can't open %s: %s\n", 304 cmdname, imagefile, strerror(errno)); 305 exit (EXIT_FAILURE); 306 } 307 308 if (lflag) { 309 int len; 310 char *data; 311 /* 312 * list header information of existing image 313 */ 314 if (fstat(ifd, &sbuf) < 0) { 315 fprintf (stderr, "%s: Can't stat %s: %s\n", 316 cmdname, imagefile, strerror(errno)); 317 exit (EXIT_FAILURE); 318 } 319 320 if ((unsigned)sbuf.st_size < sizeof(image_header_t)) { 321 fprintf (stderr, 322 "%s: Bad size: \"%s\" is no valid image\n", 323 cmdname, imagefile); 324 exit (EXIT_FAILURE); 325 } 326 327 ptr = (unsigned char *)mmap(0, sbuf.st_size, 328 PROT_READ, MAP_SHARED, ifd, 0); 329 if ((caddr_t)ptr == (caddr_t)-1) { 330 fprintf (stderr, "%s: Can't read %s: %s\n", 331 cmdname, imagefile, strerror(errno)); 332 exit (EXIT_FAILURE); 333 } 334 335 /* 336 * create copy of header so that we can blank out the 337 * checksum field for checking - this can't be done 338 * on the PROT_READ mapped data. 339 */ 340 memcpy (hdr, ptr, sizeof(image_header_t)); 341 342 if (ntohl(hdr->ih_magic) != IH_MAGIC) { 343 fprintf (stderr, 344 "%s: Bad Magic Number: \"%s\" is no valid image\n", 345 cmdname, imagefile); 346 exit (EXIT_FAILURE); 347 } 348 349 data = (char *)hdr; 350 len = sizeof(image_header_t); 351 352 checksum = ntohl(hdr->ih_hcrc); 353 hdr->ih_hcrc = htonl(0); /* clear for re-calculation */ 354 355 if (crc32 (0, data, len) != checksum) { 356 fprintf (stderr, 357 "%s: ERROR: \"%s\" has bad header checksum!\n", 358 cmdname, imagefile); 359 exit (EXIT_FAILURE); 360 } 361 362 data = (char *)(ptr + sizeof(image_header_t)); 363 len = sbuf.st_size - sizeof(image_header_t) ; 364 365 if (crc32 (0, data, len) != ntohl(hdr->ih_dcrc)) { 366 fprintf (stderr, 367 "%s: ERROR: \"%s\" has corrupted data!\n", 368 cmdname, imagefile); 369 exit (EXIT_FAILURE); 370 } 371 372 /* for multi-file images we need the data part, too */ 373 print_header ((image_header_t *)ptr); 374 375 (void) munmap((void *)ptr, sbuf.st_size); 376 (void) close (ifd); 377 378 exit (EXIT_SUCCESS); 379 } 380 381 /* 382 * Must be -w then: 383 * 384 * write dummy header, to be fixed later 385 */ 386 memset (hdr, 0, sizeof(image_header_t)); 387 388 if (write(ifd, hdr, sizeof(image_header_t)) != sizeof(image_header_t)) { 389 fprintf (stderr, "%s: Write error on %s: %s\n", 390 cmdname, imagefile, strerror(errno)); 391 exit (EXIT_FAILURE); 392 } 393 394 if (opt_type == IH_TYPE_MULTI || opt_type == IH_TYPE_SCRIPT) { 395 char *file = datafile; 396 uint32_t size; 397 398 for (;;) { 399 char *sep = NULL; 400 401 if (file) { 402 if ((sep = strchr(file, ':')) != NULL) { 403 *sep = '\0'; 404 } 405 406 if (stat (file, &sbuf) < 0) { 407 fprintf (stderr, "%s: Can't stat %s: %s\n", 408 cmdname, file, strerror(errno)); 409 exit (EXIT_FAILURE); 410 } 411 size = htonl(sbuf.st_size); 412 } else { 413 size = 0; 414 } 415 416 if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) { 417 fprintf (stderr, "%s: Write error on %s: %s\n", 418 cmdname, imagefile, strerror(errno)); 419 exit (EXIT_FAILURE); 420 } 421 422 if (!file) { 423 break; 424 } 425 426 if (sep) { 427 *sep = ':'; 428 file = sep + 1; 429 } else { 430 file = NULL; 431 } 432 } 433 434 file = datafile; 435 436 for (;;) { 437 char *sep = strchr(file, ':'); 438 if (sep) { 439 *sep = '\0'; 440 copy_file (ifd, file, 1); 441 *sep++ = ':'; 442 file = sep; 443 } else { 444 copy_file (ifd, file, 0); 445 break; 446 } 447 } 448 } else { 449 copy_file (ifd, datafile, 0); 450 } 451 452 /* We're a bit of paranoid */ 453#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) 454 (void) fdatasync (ifd); 455#else 456 (void) fsync (ifd); 457#endif 458 459 if (fstat(ifd, &sbuf) < 0) { 460 fprintf (stderr, "%s: Can't stat %s: %s\n", 461 cmdname, imagefile, strerror(errno)); 462 exit (EXIT_FAILURE); 463 } 464 465 ptr = (unsigned char *)mmap(0, sbuf.st_size, 466 PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0); 467 if (ptr == (unsigned char *)MAP_FAILED) { 468 fprintf (stderr, "%s: Can't map %s: %s\n", 469 cmdname, imagefile, strerror(errno)); 470 exit (EXIT_FAILURE); 471 } 472 473 hdr = (image_header_t *)ptr; 474 475 checksum = crc32 (0, 476 (const char *)(ptr + sizeof(image_header_t)), 477 sbuf.st_size - sizeof(image_header_t) 478 ); 479 480 /* Build new header */ 481 hdr->ih_magic = htonl(IH_MAGIC); 482 hdr->ih_time = htonl(sbuf.st_mtime); 483 hdr->ih_size = htonl(sbuf.st_size - sizeof(image_header_t)); 484 hdr->ih_load = htonl(addr); 485 hdr->ih_ep = htonl(ep); 486 hdr->ih_dcrc = htonl(checksum); 487 hdr->ih_os = opt_os; 488 hdr->ih_arch = opt_arch; 489 hdr->ih_type = opt_type; 490 hdr->ih_comp = opt_comp; 491 492 strncpy((char *)hdr->ih_name, name, IH_NMLEN); 493 494 checksum = crc32(0,(const char *)hdr,sizeof(image_header_t)); 495 496 hdr->ih_hcrc = htonl(checksum); 497 498 print_header (hdr); 499 500 (void) munmap((void *)ptr, sbuf.st_size); 501 502 /* We're a bit of paranoid */ 503#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) 504 (void) fdatasync (ifd); 505#else 506 (void) fsync (ifd); 507#endif 508 509 if (close(ifd)) { 510 fprintf (stderr, "%s: Write error on %s: %s\n", 511 cmdname, imagefile, strerror(errno)); 512 exit (EXIT_FAILURE); 513 } 514 515 exit (EXIT_SUCCESS); 516} 517 518static void 519copy_file (int ifd, const char *datafile, int pad) 520{ 521 int dfd; 522 struct stat sbuf; 523 unsigned char *ptr; 524 int tail; 525 int zero = 0; 526 int offset = 0; 527 int size; 528 529 if (vflag) { 530 fprintf (stderr, "Adding Image %s\n", datafile); 531 } 532 533 if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) { 534 fprintf (stderr, "%s: Can't open %s: %s\n", 535 cmdname, datafile, strerror(errno)); 536 exit (EXIT_FAILURE); 537 } 538 539 if (fstat(dfd, &sbuf) < 0) { 540 fprintf (stderr, "%s: Can't stat %s: %s\n", 541 cmdname, datafile, strerror(errno)); 542 exit (EXIT_FAILURE); 543 } 544 545 ptr = (unsigned char *)mmap(0, sbuf.st_size, 546 PROT_READ, MAP_SHARED, dfd, 0); 547 if (ptr == (unsigned char *)MAP_FAILED) { 548 fprintf (stderr, "%s: Can't read %s: %s\n", 549 cmdname, datafile, strerror(errno)); 550 exit (EXIT_FAILURE); 551 } 552 553 if (xflag) { 554 unsigned char *p = NULL; 555 /* 556 * XIP: do not append the image_header_t at the 557 * beginning of the file, but consume the space 558 * reserved for it. 559 */ 560 561 if ((unsigned)sbuf.st_size < sizeof(image_header_t)) { 562 fprintf (stderr, 563 "%s: Bad size: \"%s\" is too small for XIP\n", 564 cmdname, datafile); 565 exit (EXIT_FAILURE); 566 } 567 568 for (p=ptr; p < ptr+sizeof(image_header_t); p++) { 569 if ( *p != 0xff ) { 570 fprintf (stderr, 571 "%s: Bad file: \"%s\" has invalid buffer for XIP\n", 572 cmdname, datafile); 573 exit (EXIT_FAILURE); 574 } 575 } 576 577 offset = sizeof(image_header_t); 578 } 579 580 size = sbuf.st_size - offset; 581 if (write(ifd, ptr + offset, size) != size) { 582 fprintf (stderr, "%s: Write error on %s: %s\n", 583 cmdname, imagefile, strerror(errno)); 584 exit (EXIT_FAILURE); 585 } 586 587 if (pad && ((tail = size % 4) != 0)) { 588 589 if (write(ifd, (char *)&zero, 4-tail) != 4-tail) { 590 fprintf (stderr, "%s: Write error on %s: %s\n", 591 cmdname, imagefile, strerror(errno)); 592 exit (EXIT_FAILURE); 593 } 594 } 595 596 (void) munmap((void *)ptr, sbuf.st_size); 597 (void) close (dfd); 598} 599 600void 601usage () 602{ 603 fprintf (stderr, "Usage: %s -l image\n" 604 " -l ==> list image header information\n" 605 " %s [-x] -A arch -O os -T type -C comp " 606 "-a addr -e ep -n name -d data_file[:data_file...] image\n", 607 cmdname, cmdname); 608 fprintf (stderr, " -A ==> set architecture to 'arch'\n" 609 " -O ==> set operating system to 'os'\n" 610 " -T ==> set image type to 'type'\n" 611 " -C ==> set compression type 'comp'\n" 612 " -a ==> set load address to 'addr' (hex)\n" 613 " -e ==> set entry point to 'ep' (hex)\n" 614 " -n ==> set image name to 'name'\n" 615 " -d ==> use image data from 'datafile'\n" 616 " -x ==> set XIP (execute in place)\n" 617 ); 618 exit (EXIT_FAILURE); 619} 620 621static void 622print_header (image_header_t *hdr) 623{ 624 time_t timestamp; 625 uint32_t size; 626 627 timestamp = (time_t)ntohl(hdr->ih_time); 628 size = ntohl(hdr->ih_size); 629 630 printf ("Image Name: %.*s\n", IH_NMLEN, hdr->ih_name); 631 printf ("Created: %s", ctime(×tamp)); 632 printf ("Image Type: "); print_type(hdr); 633 printf ("Data Size: %d Bytes = %.2f kB = %.2f MB\n", 634 size, (double)size / 1.024e3, (double)size / 1.048576e6 ); 635 printf ("Load Address: 0x%08X\n", ntohl(hdr->ih_load)); 636 printf ("Entry Point: 0x%08X\n", ntohl(hdr->ih_ep)); 637 638 if (hdr->ih_type == IH_TYPE_MULTI || hdr->ih_type == IH_TYPE_SCRIPT) { 639 int i, ptrs; 640 uint32_t pos; 641 uint32_t *len_ptr = (uint32_t *) ( 642 (unsigned long)hdr + sizeof(image_header_t) 643 ); 644 645 /* determine number of images first (to calculate image offsets) */ 646 for (i=0; len_ptr[i]; ++i) /* null pointer terminates list */ 647 ; 648 ptrs = i; /* null pointer terminates list */ 649 650 pos = sizeof(image_header_t) + ptrs * sizeof(long); 651 printf ("Contents:\n"); 652 for (i=0; len_ptr[i]; ++i) { 653 size = ntohl(len_ptr[i]); 654 655 printf (" Image %d: %8d Bytes = %4d kB = %d MB\n", 656 i, size, size>>10, size>>20); 657 if (hdr->ih_type == IH_TYPE_SCRIPT && i > 0) { 658 /* 659 * the user may need to know offsets 660 * if planning to do something with 661 * multiple files 662 */ 663 printf (" Offset = %08X\n", pos); 664 } 665 /* copy_file() will pad the first files to even word align */ 666 size += 3; 667 size &= ~3; 668 pos += size; 669 } 670 } 671} 672 673 674static void 675print_type (image_header_t *hdr) 676{ 677 printf ("%s %s %s (%s)\n", 678 put_arch (hdr->ih_arch), 679 put_os (hdr->ih_os ), 680 put_type (hdr->ih_type), 681 put_comp (hdr->ih_comp) 682 ); 683} 684 685static char *put_arch (int arch) 686{ 687 return (put_table_entry(arch_name, "Unknown Architecture", arch)); 688} 689 690static char *put_os (int os) 691{ 692 return (put_table_entry(os_name, "Unknown OS", os)); 693} 694 695static char *put_type (int type) 696{ 697 return (put_table_entry(type_name, "Unknown Image", type)); 698} 699 700static char *put_comp (int comp) 701{ 702 return (put_table_entry(comp_name, "Unknown Compression", comp)); 703} 704 705static char *put_table_entry (table_entry_t *table, char *msg, int type) 706{ 707 for (; table->val>=0; ++table) { 708 if (table->val == type) 709 return (table->lname); 710 } 711 return (msg); 712} 713 714static int get_arch(char *name) 715{ 716 return (get_table_entry(arch_name, "CPU", name)); 717} 718 719 720static int get_comp(char *name) 721{ 722 return (get_table_entry(comp_name, "Compression", name)); 723} 724 725 726static int get_os (char *name) 727{ 728 return (get_table_entry(os_name, "OS", name)); 729} 730 731 732static int get_type(char *name) 733{ 734 return (get_table_entry(type_name, "Image", name)); 735} 736 737static int get_table_entry (table_entry_t *table, char *msg, char *name) 738{ 739 table_entry_t *t; 740 int first = 1; 741 742 for (t=table; t->val>=0; ++t) { 743 if (t->sname && strcasecmp(t->sname, name)==0) 744 return (t->val); 745 } 746 fprintf (stderr, "\nInvalid %s Type - valid names are", msg); 747 for (t=table; t->val>=0; ++t) { 748 if (t->sname == NULL) 749 continue; 750 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 751 first = 0; 752 } 753 fprintf (stderr, "\n"); 754 return (-1); 755} 756