wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 1 | /* |
wdenk | 0c852a2 | 2004-02-26 23:01:04 +0000 | [diff] [blame] | 2 | * (C) Copyright 2000-2004 |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 3 | * DENX Software Engineering |
| 4 | * Wolfgang Denk, wd@denx.de |
| 5 | * All rights reserved. |
wdenk | 0c852a2 | 2004-02-26 23:01:04 +0000 | [diff] [blame] | 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 |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 21 | */ |
| 22 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 23 | #include "mkimage.h" |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 24 | #include <image.h> |
| 25 | |
| 26 | extern int errno; |
| 27 | |
| 28 | #ifndef MAP_FAILED |
| 29 | #define MAP_FAILED (-1) |
| 30 | #endif |
| 31 | |
Marian Balakowicz | 570abb0 | 2008-02-29 15:59:59 +0100 | [diff] [blame^] | 32 | extern unsigned long crc32 (unsigned long crc, const char *buf, unsigned int len); |
| 33 | static void copy_file (int, const char *, int); |
| 34 | static void usage (void); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 35 | |
| 36 | char *datafile; |
| 37 | char *imagefile; |
Marian Balakowicz | 570abb0 | 2008-02-29 15:59:59 +0100 | [diff] [blame^] | 38 | char *cmdname; |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 39 | |
| 40 | int dflag = 0; |
| 41 | int eflag = 0; |
| 42 | int lflag = 0; |
| 43 | int vflag = 0; |
| 44 | int xflag = 0; |
| 45 | int opt_os = IH_OS_LINUX; |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 46 | int opt_arch = IH_ARCH_PPC; |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 47 | int opt_type = IH_TYPE_KERNEL; |
| 48 | int opt_comp = IH_COMP_GZIP; |
| 49 | |
| 50 | image_header_t header; |
| 51 | image_header_t *hdr = &header; |
| 52 | |
| 53 | int |
| 54 | main (int argc, char **argv) |
| 55 | { |
| 56 | int ifd; |
| 57 | uint32_t checksum; |
| 58 | uint32_t addr; |
| 59 | uint32_t ep; |
| 60 | struct stat sbuf; |
| 61 | unsigned char *ptr; |
| 62 | char *name = ""; |
| 63 | |
| 64 | cmdname = *argv; |
| 65 | |
| 66 | addr = ep = 0; |
| 67 | |
| 68 | while (--argc > 0 && **++argv == '-') { |
| 69 | while (*++*argv) { |
| 70 | switch (**argv) { |
| 71 | case 'l': |
| 72 | lflag = 1; |
| 73 | break; |
| 74 | case 'A': |
| 75 | if ((--argc <= 0) || |
Marian Balakowicz | 570abb0 | 2008-02-29 15:59:59 +0100 | [diff] [blame^] | 76 | (opt_arch = genimg_get_arch_id (*++argv)) < 0) |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 77 | usage (); |
| 78 | goto NXTARG; |
| 79 | case 'C': |
| 80 | if ((--argc <= 0) || |
Marian Balakowicz | 570abb0 | 2008-02-29 15:59:59 +0100 | [diff] [blame^] | 81 | (opt_comp = genimg_get_comp_id (*++argv)) < 0) |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 82 | usage (); |
| 83 | goto NXTARG; |
| 84 | case 'O': |
| 85 | if ((--argc <= 0) || |
Marian Balakowicz | 570abb0 | 2008-02-29 15:59:59 +0100 | [diff] [blame^] | 86 | (opt_os = genimg_get_os_id (*++argv)) < 0) |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 87 | usage (); |
| 88 | goto NXTARG; |
| 89 | case 'T': |
| 90 | if ((--argc <= 0) || |
Marian Balakowicz | 570abb0 | 2008-02-29 15:59:59 +0100 | [diff] [blame^] | 91 | (opt_type = genimg_get_type_id (*++argv)) < 0) |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 92 | usage (); |
| 93 | goto NXTARG; |
| 94 | |
| 95 | case 'a': |
| 96 | if (--argc <= 0) |
| 97 | usage (); |
| 98 | addr = strtoul (*++argv, (char **)&ptr, 16); |
| 99 | if (*ptr) { |
| 100 | fprintf (stderr, |
| 101 | "%s: invalid load address %s\n", |
| 102 | cmdname, *argv); |
| 103 | exit (EXIT_FAILURE); |
| 104 | } |
| 105 | goto NXTARG; |
| 106 | case 'd': |
| 107 | if (--argc <= 0) |
| 108 | usage (); |
| 109 | datafile = *++argv; |
| 110 | dflag = 1; |
| 111 | goto NXTARG; |
| 112 | case 'e': |
| 113 | if (--argc <= 0) |
| 114 | usage (); |
| 115 | ep = strtoul (*++argv, (char **)&ptr, 16); |
| 116 | if (*ptr) { |
| 117 | fprintf (stderr, |
| 118 | "%s: invalid entry point %s\n", |
| 119 | cmdname, *argv); |
| 120 | exit (EXIT_FAILURE); |
| 121 | } |
| 122 | eflag = 1; |
| 123 | goto NXTARG; |
| 124 | case 'n': |
| 125 | if (--argc <= 0) |
| 126 | usage (); |
| 127 | name = *++argv; |
| 128 | goto NXTARG; |
| 129 | case 'v': |
| 130 | vflag++; |
| 131 | break; |
| 132 | case 'x': |
| 133 | xflag++; |
| 134 | break; |
| 135 | default: |
| 136 | usage (); |
| 137 | } |
| 138 | } |
| 139 | NXTARG: ; |
| 140 | } |
| 141 | |
| 142 | if ((argc != 1) || ((lflag ^ dflag) == 0)) |
| 143 | usage(); |
| 144 | |
| 145 | if (!eflag) { |
| 146 | ep = addr; |
| 147 | /* If XIP, entry point must be after the U-Boot header */ |
| 148 | if (xflag) |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 149 | ep += image_get_header_size (); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | /* |
| 153 | * If XIP, ensure the entry point is equal to the load address plus |
| 154 | * the size of the U-Boot header. |
| 155 | */ |
| 156 | if (xflag) { |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 157 | if (ep != addr + image_get_header_size ()) { |
Wolfgang Denk | 3577d3a | 2006-04-28 21:24:32 +0200 | [diff] [blame] | 158 | fprintf (stderr, |
| 159 | "%s: For XIP, the entry point must be the load addr + %lu\n", |
wdenk | a6c7ad2 | 2002-12-03 21:28:10 +0000 | [diff] [blame] | 160 | cmdname, |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 161 | (unsigned long)image_get_header_size ()); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 162 | exit (EXIT_FAILURE); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | imagefile = *argv; |
| 167 | |
| 168 | if (lflag) { |
wdenk | ef1464c | 2003-10-08 22:14:02 +0000 | [diff] [blame] | 169 | ifd = open(imagefile, O_RDONLY|O_BINARY); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 170 | } else { |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 171 | ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 172 | } |
| 173 | |
| 174 | if (ifd < 0) { |
| 175 | fprintf (stderr, "%s: Can't open %s: %s\n", |
| 176 | cmdname, imagefile, strerror(errno)); |
| 177 | exit (EXIT_FAILURE); |
| 178 | } |
| 179 | |
| 180 | if (lflag) { |
| 181 | int len; |
| 182 | char *data; |
| 183 | /* |
| 184 | * list header information of existing image |
| 185 | */ |
| 186 | if (fstat(ifd, &sbuf) < 0) { |
| 187 | fprintf (stderr, "%s: Can't stat %s: %s\n", |
| 188 | cmdname, imagefile, strerror(errno)); |
| 189 | exit (EXIT_FAILURE); |
| 190 | } |
| 191 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 192 | if ((unsigned)sbuf.st_size < image_get_header_size ()) { |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 193 | fprintf (stderr, |
| 194 | "%s: Bad size: \"%s\" is no valid image\n", |
| 195 | cmdname, imagefile); |
| 196 | exit (EXIT_FAILURE); |
| 197 | } |
| 198 | |
| 199 | ptr = (unsigned char *)mmap(0, sbuf.st_size, |
| 200 | PROT_READ, MAP_SHARED, ifd, 0); |
| 201 | if ((caddr_t)ptr == (caddr_t)-1) { |
| 202 | fprintf (stderr, "%s: Can't read %s: %s\n", |
| 203 | cmdname, imagefile, strerror(errno)); |
| 204 | exit (EXIT_FAILURE); |
| 205 | } |
| 206 | |
| 207 | /* |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 208 | * image_check_hcrc() creates copy of header so that |
| 209 | * we can blank out the checksum field for checking - |
| 210 | * this can't be done on the PROT_READ mapped data. |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 211 | */ |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 212 | hdr = (image_header_t *)ptr; |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 213 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 214 | if (!image_check_magic (hdr)) { |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 215 | fprintf (stderr, |
| 216 | "%s: Bad Magic Number: \"%s\" is no valid image\n", |
| 217 | cmdname, imagefile); |
| 218 | exit (EXIT_FAILURE); |
| 219 | } |
| 220 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 221 | if (!image_check_hcrc (hdr)) { |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 222 | fprintf (stderr, |
Wolfgang Denk | 3577d3a | 2006-04-28 21:24:32 +0200 | [diff] [blame] | 223 | "%s: ERROR: \"%s\" has bad header checksum!\n", |
| 224 | cmdname, imagefile); |
| 225 | exit (EXIT_FAILURE); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 226 | } |
| 227 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 228 | data = (char *)image_get_data (hdr); |
| 229 | len = sbuf.st_size - image_get_header_size (); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 230 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 231 | if (crc32(0, data, len) != image_get_dcrc (hdr)) { |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 232 | fprintf (stderr, |
Wolfgang Denk | 3577d3a | 2006-04-28 21:24:32 +0200 | [diff] [blame] | 233 | "%s: ERROR: \"%s\" has corrupted data!\n", |
| 234 | cmdname, imagefile); |
| 235 | exit (EXIT_FAILURE); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | /* for multi-file images we need the data part, too */ |
Marian Balakowicz | 570abb0 | 2008-02-29 15:59:59 +0100 | [diff] [blame^] | 239 | image_print_contents_noindent ((image_header_t *)ptr); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 240 | |
| 241 | (void) munmap((void *)ptr, sbuf.st_size); |
| 242 | (void) close (ifd); |
| 243 | |
| 244 | exit (EXIT_SUCCESS); |
| 245 | } |
| 246 | |
| 247 | /* |
| 248 | * Must be -w then: |
| 249 | * |
| 250 | * write dummy header, to be fixed later |
| 251 | */ |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 252 | memset (hdr, 0, image_get_header_size ()); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 253 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 254 | if (write(ifd, hdr, image_get_header_size ()) != image_get_header_size ()) { |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 255 | fprintf (stderr, "%s: Write error on %s: %s\n", |
| 256 | cmdname, imagefile, strerror(errno)); |
| 257 | exit (EXIT_FAILURE); |
| 258 | } |
| 259 | |
| 260 | if (opt_type == IH_TYPE_MULTI || opt_type == IH_TYPE_SCRIPT) { |
| 261 | char *file = datafile; |
Wolfgang Denk | 3bb6680 | 2006-01-11 13:03:54 +0100 | [diff] [blame] | 262 | uint32_t size; |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 263 | |
| 264 | for (;;) { |
| 265 | char *sep = NULL; |
| 266 | |
| 267 | if (file) { |
| 268 | if ((sep = strchr(file, ':')) != NULL) { |
| 269 | *sep = '\0'; |
| 270 | } |
| 271 | |
| 272 | if (stat (file, &sbuf) < 0) { |
| 273 | fprintf (stderr, "%s: Can't stat %s: %s\n", |
| 274 | cmdname, file, strerror(errno)); |
| 275 | exit (EXIT_FAILURE); |
| 276 | } |
Marian Balakowicz | 9a4daad | 2008-02-29 14:58:34 +0100 | [diff] [blame] | 277 | size = cpu_to_uimage (sbuf.st_size); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 278 | } else { |
| 279 | size = 0; |
| 280 | } |
| 281 | |
| 282 | if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) { |
| 283 | fprintf (stderr, "%s: Write error on %s: %s\n", |
| 284 | cmdname, imagefile, strerror(errno)); |
| 285 | exit (EXIT_FAILURE); |
| 286 | } |
| 287 | |
| 288 | if (!file) { |
| 289 | break; |
| 290 | } |
| 291 | |
| 292 | if (sep) { |
| 293 | *sep = ':'; |
| 294 | file = sep + 1; |
| 295 | } else { |
| 296 | file = NULL; |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | file = datafile; |
| 301 | |
| 302 | for (;;) { |
| 303 | char *sep = strchr(file, ':'); |
| 304 | if (sep) { |
| 305 | *sep = '\0'; |
| 306 | copy_file (ifd, file, 1); |
| 307 | *sep++ = ':'; |
| 308 | file = sep; |
| 309 | } else { |
| 310 | copy_file (ifd, file, 0); |
| 311 | break; |
| 312 | } |
| 313 | } |
| 314 | } else { |
| 315 | copy_file (ifd, datafile, 0); |
| 316 | } |
| 317 | |
| 318 | /* We're a bit of paranoid */ |
Aubrey.Li | 5dfaa50 | 2007-05-14 11:47:35 +0800 | [diff] [blame] | 319 | #if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__) |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 320 | (void) fdatasync (ifd); |
| 321 | #else |
| 322 | (void) fsync (ifd); |
| 323 | #endif |
| 324 | |
| 325 | if (fstat(ifd, &sbuf) < 0) { |
| 326 | fprintf (stderr, "%s: Can't stat %s: %s\n", |
| 327 | cmdname, imagefile, strerror(errno)); |
| 328 | exit (EXIT_FAILURE); |
| 329 | } |
| 330 | |
| 331 | ptr = (unsigned char *)mmap(0, sbuf.st_size, |
| 332 | PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0); |
| 333 | if (ptr == (unsigned char *)MAP_FAILED) { |
| 334 | fprintf (stderr, "%s: Can't map %s: %s\n", |
| 335 | cmdname, imagefile, strerror(errno)); |
| 336 | exit (EXIT_FAILURE); |
| 337 | } |
| 338 | |
| 339 | hdr = (image_header_t *)ptr; |
| 340 | |
| 341 | checksum = crc32 (0, |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 342 | (const char *)(ptr + image_get_header_size ()), |
| 343 | sbuf.st_size - image_get_header_size () |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 344 | ); |
| 345 | |
| 346 | /* Build new header */ |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 347 | image_set_magic (hdr, IH_MAGIC); |
| 348 | image_set_time (hdr, sbuf.st_mtime); |
| 349 | image_set_size (hdr, sbuf.st_size - image_get_header_size ()); |
| 350 | image_set_load (hdr, addr); |
| 351 | image_set_ep (hdr, ep); |
| 352 | image_set_dcrc (hdr, checksum); |
| 353 | image_set_os (hdr, opt_os); |
| 354 | image_set_arch (hdr, opt_arch); |
| 355 | image_set_type (hdr, opt_type); |
| 356 | image_set_comp (hdr, opt_comp); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 357 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 358 | image_set_name (hdr, name); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 359 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 360 | checksum = crc32 (0, (const char *)hdr, image_get_header_size ()); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 361 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 362 | image_set_hcrc (hdr, checksum); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 363 | |
Marian Balakowicz | 570abb0 | 2008-02-29 15:59:59 +0100 | [diff] [blame^] | 364 | image_print_contents_noindent (hdr); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 365 | |
| 366 | (void) munmap((void *)ptr, sbuf.st_size); |
| 367 | |
| 368 | /* We're a bit of paranoid */ |
Aubrey.Li | 5dfaa50 | 2007-05-14 11:47:35 +0800 | [diff] [blame] | 369 | #if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__) |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 370 | (void) fdatasync (ifd); |
| 371 | #else |
| 372 | (void) fsync (ifd); |
| 373 | #endif |
| 374 | |
| 375 | if (close(ifd)) { |
| 376 | fprintf (stderr, "%s: Write error on %s: %s\n", |
| 377 | cmdname, imagefile, strerror(errno)); |
| 378 | exit (EXIT_FAILURE); |
| 379 | } |
| 380 | |
| 381 | exit (EXIT_SUCCESS); |
| 382 | } |
| 383 | |
| 384 | static void |
| 385 | copy_file (int ifd, const char *datafile, int pad) |
| 386 | { |
| 387 | int dfd; |
| 388 | struct stat sbuf; |
| 389 | unsigned char *ptr; |
| 390 | int tail; |
| 391 | int zero = 0; |
| 392 | int offset = 0; |
| 393 | int size; |
| 394 | |
| 395 | if (vflag) { |
| 396 | fprintf (stderr, "Adding Image %s\n", datafile); |
| 397 | } |
| 398 | |
wdenk | ef1464c | 2003-10-08 22:14:02 +0000 | [diff] [blame] | 399 | if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) { |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 400 | fprintf (stderr, "%s: Can't open %s: %s\n", |
| 401 | cmdname, datafile, strerror(errno)); |
| 402 | exit (EXIT_FAILURE); |
| 403 | } |
| 404 | |
| 405 | if (fstat(dfd, &sbuf) < 0) { |
| 406 | fprintf (stderr, "%s: Can't stat %s: %s\n", |
| 407 | cmdname, datafile, strerror(errno)); |
| 408 | exit (EXIT_FAILURE); |
| 409 | } |
| 410 | |
| 411 | ptr = (unsigned char *)mmap(0, sbuf.st_size, |
| 412 | PROT_READ, MAP_SHARED, dfd, 0); |
| 413 | if (ptr == (unsigned char *)MAP_FAILED) { |
| 414 | fprintf (stderr, "%s: Can't read %s: %s\n", |
| 415 | cmdname, datafile, strerror(errno)); |
| 416 | exit (EXIT_FAILURE); |
| 417 | } |
| 418 | |
| 419 | if (xflag) { |
| 420 | unsigned char *p = NULL; |
| 421 | /* |
| 422 | * XIP: do not append the image_header_t at the |
| 423 | * beginning of the file, but consume the space |
| 424 | * reserved for it. |
| 425 | */ |
| 426 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 427 | if ((unsigned)sbuf.st_size < image_get_header_size ()) { |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 428 | fprintf (stderr, |
| 429 | "%s: Bad size: \"%s\" is too small for XIP\n", |
| 430 | cmdname, datafile); |
| 431 | exit (EXIT_FAILURE); |
| 432 | } |
| 433 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 434 | for (p = ptr; p < ptr + image_get_header_size (); p++) { |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 435 | if ( *p != 0xff ) { |
| 436 | fprintf (stderr, |
| 437 | "%s: Bad file: \"%s\" has invalid buffer for XIP\n", |
| 438 | cmdname, datafile); |
| 439 | exit (EXIT_FAILURE); |
| 440 | } |
| 441 | } |
| 442 | |
Marian Balakowicz | b97a2a0 | 2008-01-08 18:14:09 +0100 | [diff] [blame] | 443 | offset = image_get_header_size (); |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 444 | } |
| 445 | |
| 446 | size = sbuf.st_size - offset; |
| 447 | if (write(ifd, ptr + offset, size) != size) { |
| 448 | fprintf (stderr, "%s: Write error on %s: %s\n", |
| 449 | cmdname, imagefile, strerror(errno)); |
| 450 | exit (EXIT_FAILURE); |
| 451 | } |
| 452 | |
| 453 | if (pad && ((tail = size % 4) != 0)) { |
| 454 | |
| 455 | if (write(ifd, (char *)&zero, 4-tail) != 4-tail) { |
| 456 | fprintf (stderr, "%s: Write error on %s: %s\n", |
| 457 | cmdname, imagefile, strerror(errno)); |
| 458 | exit (EXIT_FAILURE); |
| 459 | } |
| 460 | } |
| 461 | |
| 462 | (void) munmap((void *)ptr, sbuf.st_size); |
| 463 | (void) close (dfd); |
| 464 | } |
| 465 | |
| 466 | void |
| 467 | usage () |
| 468 | { |
| 469 | fprintf (stderr, "Usage: %s -l image\n" |
| 470 | " -l ==> list image header information\n" |
wdenk | 9d5028c | 2004-11-21 00:06:33 +0000 | [diff] [blame] | 471 | " %s [-x] -A arch -O os -T type -C comp " |
wdenk | 5b1d713 | 2002-11-03 00:07:02 +0000 | [diff] [blame] | 472 | "-a addr -e ep -n name -d data_file[:data_file...] image\n", |
| 473 | cmdname, cmdname); |
| 474 | fprintf (stderr, " -A ==> set architecture to 'arch'\n" |
| 475 | " -O ==> set operating system to 'os'\n" |
| 476 | " -T ==> set image type to 'type'\n" |
| 477 | " -C ==> set compression type 'comp'\n" |
| 478 | " -a ==> set load address to 'addr' (hex)\n" |
| 479 | " -e ==> set entry point to 'ep' (hex)\n" |
| 480 | " -n ==> set image name to 'name'\n" |
| 481 | " -d ==> use image data from 'datafile'\n" |
| 482 | " -x ==> set XIP (execute in place)\n" |
| 483 | ); |
| 484 | exit (EXIT_FAILURE); |
| 485 | } |