diff --git a/tools/ipod_fw.c b/tools/ipod_fw.c index eefe3f7db8..59285df63c 100644 --- a/tools/ipod_fw.c +++ b/tools/ipod_fw.c @@ -110,7 +110,7 @@ usage() { printf("Usage: ipod_fw [-h]\n" " ipod_fw [-v] -o outfile -e img_no fw_file\n" - " ipod_fw [-v] -g gen [-r rev] -o outfile [-i img_from_-e]* [-l raw_img]* ldr_img\n\n" + " ipod_fw [-v] -g gen [-r rev] [-s size] -o outfile [-i img_from_-e]* [-l raw_img]* ldr_img\n\n" " -g: set target ipod generation, valid options are: 1g, 2g, 3g\n" " 4g, 5g, scroll, touch, dock, mini, photo, color, nano and video\n" " -e: extract the image at img_no in boot table to outfile\n" @@ -124,7 +124,9 @@ usage() " may be needed if newest -e img is not the same as the flash rev\n" " ldr_img is the iPodLinux loader binary.\n" " first image is loaded by default, 2., 3., 4. or 5. loaded if\n" - " rew, menu, play or ff is hold while booting\n\n" + " rew, menu, play or ff is hold while booting\n" + " -n: do not add a boot loader (ldr_img)\n" + " -s: set sector size in bytes (default is 512)\n\n" " -v: verbose\n\n" " This program is used to create a bootable ipod image.\n\n"); } @@ -339,12 +341,13 @@ main(int argc, char **argv) int images_done = 0; unsigned version = 0, offset = 0, len = 0; int needs_rcsc = 0; + int no_boot = 0; test_endian(); /* parse options */ opterr = 0; - while ((c = getopt(argc, argv, "3hve:o:i:l:r:g:")) != -1) + while ((c = getopt(argc, argv, "3hve:o:i:l:nr:g:s:")) != -1) switch (c) { case 'h': if (verbose || in || out || images_done || ext) { @@ -471,6 +474,9 @@ main(int argc, char **argv) images_done++; fclose(in); break; + case 'n': + no_boot = 1; + break; case 'r': if (ext) { usage(); @@ -478,6 +484,9 @@ main(int argc, char **argv) } version = strtol(optarg, NULL, 16); break; + case 's': + sectorsize = atoi(optarg); + break; case '?': fprintf(stderr, "invalid option -%c specified\n", optopt); usage(); @@ -488,7 +497,7 @@ main(int argc, char **argv) return 1; } - if (argc - optind != 1) { + if ((argc - optind != 1) && !no_boot) { usage(); return 1; } @@ -528,19 +537,22 @@ main(int argc, char **argv) fprintf(stderr, "no images specified!\n"); return 1; } - if ((in = fopen(argv[optind], "rb")) == NULL) { - fprintf(stderr, "Cannot open loader image file %s\n", argv[optind]); - return 1; + if (!no_boot) + { + if ((in = fopen(argv[optind], "rb")) == NULL) { + fprintf(stderr, "Cannot open loader image file %s\n", argv[optind]); + return 1; + } + offset = (offset + 0x1ff) & ~0x1ff; + if ((len = lengthof(in)) == -1) + return 1; + if (fseek(out, offset, SEEK_SET) == -1) { + fprintf(stderr, "fseek failed: %s\n", strerror(errno)); + return 1; + } + if (copysum(in, out, len, 0) == -1) + return 1; } - offset = (offset + 0x1ff) & ~0x1ff; - if ((len = lengthof(in)) == -1) - return 1; - if (fseek(out, offset, SEEK_SET) == -1) { - fprintf(stderr, "fseek failed: %s\n", strerror(errno)); - return 1; - } - if (copysum(in, out, len, 0) == -1) - return 1; for (i=0; i < images_done; i++) { if (images[i].vers > image.vers) image.vers = images[i].vers; if (write_entry(images+i, out, offset+0x0100, i) == -1) @@ -548,7 +560,10 @@ main(int argc, char **argv) } if (version) image.vers = version; image.len = offset + len - FIRST_OFFSET; - image.entryOffset = offset - FIRST_OFFSET; + if (!no_boot) + { + image.entryOffset = offset - FIRST_OFFSET; + } image.devOffset = (sectorsize==512 ? 0x4400 : 0x4800); if ((image.chksum = copysum(out, NULL, image.len, FIRST_OFFSET)) == -1) return 1;