diff options
Diffstat (limited to 'tools/firmware-utils/src/imagetag.c')
| -rw-r--r-- | tools/firmware-utils/src/imagetag.c | 524 |
1 files changed, 524 insertions, 0 deletions
diff --git a/tools/firmware-utils/src/imagetag.c b/tools/firmware-utils/src/imagetag.c new file mode 100644 index 000000000..166ce9a0e --- /dev/null +++ b/tools/firmware-utils/src/imagetag.c @@ -0,0 +1,524 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2008 Axel Gembe <ago@bastart.eu.org> + * Copyright (C) 2009-2010 Daniel Dickinson <openwrt@cshore.neomailbox.net> + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdint.h> +#include <time.h> +#include <unistd.h> +#include <sys/stat.h> +#include <netinet/in.h> + +#include "bcm_tag.h" +#include "imagetag_cmdline.h" + +#define DEADCODE 0xDEADC0DE + +/* Kernel header */ +struct kernelhdr { + uint32_t loadaddr; /* Kernel load address */ + uint32_t entry; /* Kernel entry point address */ + uint32_t lzmalen; /* Compressed length of the LZMA data that follows */ +}; + +static char pirellitab[NUM_PIRELLI][BOARDID_LEN] = PIRELLI_BOARDS; + +static uint32_t crc32tab[256] = { + 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, + 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, + 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, + 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, + 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, + 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, + 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, + 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, + 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, + 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, + 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, + 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, + 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, + 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, + 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, + 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, + 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, + 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, + 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, + 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, + 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, + 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, + 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, + 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, + 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, + 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, + 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, + 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, + 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, + 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, + 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, + 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D +}; + +void int2tag(char *tag, uint32_t value) { + uint32_t network = htonl(value); + memcpy(tag, (char *)(&network), 4); +} + +uint32_t crc32(uint32_t crc, uint8_t *data, size_t len) +{ + while (len--) + crc = (crc >> 8) ^ crc32tab[(crc ^ *data++) & 0xFF]; + + return crc; +} + +uint32_t compute_crc32(uint32_t crc, FILE *binfile, size_t compute_start, size_t compute_len) +{ + uint8_t readbuf[1024]; + size_t read; + + fseek(binfile, compute_start, SEEK_SET); + + /* read block of 1024 bytes */ + while (binfile && !feof(binfile) && !ferror(binfile) && (compute_len >= sizeof(readbuf))) { + read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), binfile); + crc = crc32(crc, readbuf, read); + compute_len = compute_len - read; + } + + /* Less than 1024 bytes remains, read compute_len bytes */ + if (binfile && !feof(binfile) && !ferror(binfile) && (compute_len > 0)) { + read = fread(readbuf, sizeof(uint8_t), compute_len, binfile); + crc = crc32(crc, readbuf, read); + } + + return crc; +} + +size_t getlen(FILE *fp) +{ + size_t retval, curpos; + + if (!fp) + return 0; + + curpos = ftell(fp); + fseek(fp, 0, SEEK_END); + retval = ftell(fp); + fseek(fp, curpos, SEEK_SET); + + return retval; +} + +int tagfile(const char *kernel, const char *rootfs, const char *bin, \ + const struct gengetopt_args_info *args, \ + uint32_t flash_start, uint32_t image_offset, \ + uint32_t block_size, uint32_t load_address, uint32_t entry) +{ + struct bcm_tag tag; + struct kernelhdr khdr; + FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile = NULL, *cfefile = NULL; + size_t cfeoff, cfelen, kerneloff, kernellen, rootfsoff, rootfslen, \ + read, imagelen, rootfsoffpadlen = 0, kernelfslen, kerneloffpadlen = 0, oldrootfslen; + uint8_t readbuf[1024]; + uint32_t imagecrc = IMAGETAG_CRC_START; + uint32_t kernelcrc = IMAGETAG_CRC_START; + uint32_t rootfscrc = IMAGETAG_CRC_START; + uint32_t kernelfscrc = IMAGETAG_CRC_START; + uint32_t fwaddr = 0; + uint8_t crc_val; + const uint32_t deadcode = htonl(DEADCODE); + int i; + int is_pirelli = 0; + + + memset(&tag, 0, sizeof(struct bcm_tag)); + + if (!kernel || !rootfs) { + fprintf(stderr, "imagetag can't create an image without both kernel and rootfs\n"); + } + + if (kernel && !(kernelfile = fopen(kernel, "rb"))) { + fprintf(stderr, "Unable to open kernel \"%s\"\n", kernel); + return 1; + } + + if (rootfs && !(rootfsfile = fopen(rootfs, "rb"))) { + fprintf(stderr, "Unable to open rootfs \"%s\"\n", rootfs); + return 1; + } + + if (!bin || !(binfile = fopen(bin, "wb+"))) { + fprintf(stderr, "Unable to open output file \"%s\"\n", bin); + return 1; + } + + if ((args->cfe_given) && (args->cfe_arg)) { + if (!(cfefile = fopen(args->cfe_arg, "rb"))) { + fprintf(stderr, "Unable to open CFE file \"%s\"\n", args->cfe_arg); + } + } + + fwaddr = flash_start + image_offset; + if (cfefile) { + cfeoff = flash_start; + cfelen = getlen(cfefile); + /* Seek to the start of the file after tag */ + fseek(binfile, sizeof(tag), SEEK_SET); + + /* Write the cfe */ + while (cfefile && !feof(cfefile) && !ferror(cfefile)) { + read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), cfefile); + fwrite(readbuf, sizeof(uint8_t), read, binfile); + } + + } else { + cfeoff = 0; + cfelen = 0; + } + + if (!args->root_first_flag) { + /* Build the kernel address and length (doesn't need to be aligned, read only) */ + kerneloff = fwaddr + sizeof(tag); + + kernellen = getlen(kernelfile); + + if (!args->kernel_file_has_header_flag) { + /* Build the kernel header */ + khdr.loadaddr = htonl(load_address); + khdr.entry = htonl(entry); + khdr.lzmalen = htonl(kernellen); + + /* Increase the kernel size by the header size */ + kernellen += sizeof(khdr); + } + + /* Build the rootfs address and length (start and end do need to be aligned on flash erase block boundaries */ + rootfsoff = kerneloff + kernellen; + rootfsoff = (rootfsoff % block_size) > 0 ? (((rootfsoff / block_size) + 1) * block_size) : rootfsoff; + rootfslen = getlen(rootfsfile); + rootfslen = ( (rootfslen % block_size) > 0 ? (((rootfslen / block_size) + 1) * block_size) : rootfslen ); + imagelen = rootfsoff + rootfslen - kerneloff + sizeof(deadcode); + rootfsoffpadlen = rootfsoff - (kerneloff + kernellen); + + /* Seek to the start of the kernel */ + fseek(binfile, kerneloff - fwaddr + cfelen, SEEK_SET); + + /* Write the kernel header */ + fwrite(&khdr, sizeof(khdr), 1, binfile); + + /* Write the kernel */ + while (kernelfile && !feof(kernelfile) && !ferror(kernelfile)) { + read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), kernelfile); + fwrite(readbuf, sizeof(uint8_t), read, binfile); + } + + /* Write the RootFS */ + fseek(binfile, rootfsoff - fwaddr + cfelen, SEEK_SET); + while (rootfsfile && !feof(rootfsfile) && !ferror(rootfsfile)) { + read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), rootfsfile); + fwrite(readbuf, sizeof(uint8_t), read, binfile); + } + + /* Align image to specified erase block size and append deadc0de */ + printf("Data alignment to %dk with 'deadc0de' appended\n", block_size/1024); + fseek(binfile, rootfsoff + rootfslen - fwaddr + cfelen, SEEK_SET); + fwrite(&deadcode, sizeof(uint32_t), 1, binfile); + + oldrootfslen = rootfslen; + if (args->pad_given) { + uint32_t allfs = 0xffffffff; + uint32_t pad_size = args->pad_arg * 1024 * 1024; + + printf("Padding image to %d bytes ...\n", pad_size); + while (imagelen < pad_size) { + fwrite(&allfs, sizeof(uint32_t), 1, binfile); + imagelen += 4; + rootfslen += 4; + } + } + + /* Flush the binfile buffer so that when we read from file, it contains + * everything in the buffer + */ + fflush(binfile); + + /* Compute the crc32 of the entire image (deadC0de included) */ + imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr + cfelen, imagelen); + /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ + kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr + cfelen, kernellen + rootfsoffpadlen); + /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ + kernelfscrc = compute_crc32(kernelfscrc, binfile, kerneloff - fwaddr + cfelen, kernellen + rootfsoffpadlen + rootfslen + sizeof(deadcode)); + /* Compute the crc32 of the flashImageStart to rootLength. + * The broadcom firmware assumes the rootfs starts the image, + * therefore uses the rootfs start to determine where to flash + * the image. Since we have the kernel first we have to give + * it the kernel address, but the crc uses the length + * associated with this address, which is added to the kernel + * length to determine the length of image to flash and thus + * needs to be rootfs + deadcode + */ + rootfscrc = compute_crc32(rootfscrc, binfile, kerneloff - fwaddr + cfelen, rootfslen + sizeof(deadcode)); + + } else { + /* Build the kernel address and length (doesn't need to be aligned, read only) */ + rootfsoff = fwaddr + sizeof(tag); + oldrootfslen = getlen(rootfsfile); + rootfslen = oldrootfslen; + rootfslen = ( (rootfslen % block_size) > 0 ? (((rootfslen / block_size) + 1) * block_size) : rootfslen ); + kerneloffpadlen = rootfslen - oldrootfslen; + oldrootfslen = rootfslen; + + kerneloff = rootfsoff + rootfslen; + kernellen = getlen(kernelfile); + + imagelen = cfelen + rootfslen + kernellen; + + /* Seek to the start of the kernel */ + fseek(binfile, kerneloff - fwaddr + cfelen, SEEK_SET); + + if (!args->kernel_file_has_header_flag) { + /* Build the kernel header */ + khdr.loadaddr = htonl(load_address); + khdr.entry = htonl(entry); + khdr.lzmalen = htonl(kernellen); + + /* Write the kernel header */ + fwrite(&khdr, sizeof(khdr), 1, binfile); + + /* Increase the kernel size by the header size */ + kernellen += sizeof(khdr); + } + + /* Write the kernel */ + while (kernelfile && !feof(kernelfile) && !ferror(kernelfile)) { + read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), kernelfile); + fwrite(readbuf, sizeof(uint8_t), read, binfile); + } + + /* Write the RootFS */ + fseek(binfile, rootfsoff - fwaddr + cfelen, SEEK_SET); + while (rootfsfile && !feof(rootfsfile) && !ferror(rootfsfile)) { + read = fread(readbuf, sizeof(uint8_t), sizeof(readbuf), rootfsfile); + fwrite(readbuf, sizeof(uint8_t), read, binfile); + } + + /* Flush the binfile buffer so that when we read from file, it contains + * everything in the buffer + */ + fflush(binfile); + + /* Compute the crc32 of the entire image (deadC0de included) */ + imagecrc = compute_crc32(imagecrc, binfile, sizeof(tag), imagelen); + /* Compute the crc32 of the kernel and padding between kernel and rootfs) */ + kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr + cfelen, kernellen + rootfsoffpadlen); + kernelfscrc = compute_crc32(kernelfscrc, binfile, rootfsoff - fwaddr + cfelen, kernellen + rootfslen); + rootfscrc = compute_crc32(rootfscrc, binfile, rootfsoff - fwaddr + cfelen, rootfslen); + } + + /* Close the files */ + if (cfefile) { + fclose(cfefile); + } + fclose(kernelfile); + fclose(rootfsfile); + + /* Build the tag */ + strncpy(tag.tagVersion, args->tag_version_arg, sizeof(tag.tagVersion) - 1); + strncpy(tag.sig_1, args->signature_arg, sizeof(tag.sig_1) - 1); + strncpy(tag.sig_2, args->signature2_arg, sizeof(tag.sig_2) - 1); + strncpy(tag.chipid, args->chipid_arg, sizeof(tag.chipid) - 1); + strncpy(tag.boardid, args->boardid_arg, sizeof(tag.boardid) - 1); + strcpy(tag.big_endian, "1"); + sprintf(tag.totalLength, "%lu", imagelen); + + if (args->cfe_given) { + sprintf(tag.cfeAddress, "%lu", flash_start); + sprintf(tag.cfeLength, "%lu", cfelen); + } else { + /* We don't include CFE */ + strcpy(tag.cfeAddress, "0"); + strcpy(tag.cfeLength, "0"); + } + + sprintf(tag.kernelAddress, "%lu", kerneloff); + sprintf(tag.kernelLength, "%lu", kernellen + rootfsoffpadlen); + + if (args->root_first_flag) { + sprintf(tag.flashImageStart, "%lu", rootfsoff); + sprintf(tag.flashRootLength, "%lu", rootfslen); + } else { + sprintf(tag.flashImageStart, "%lu", kerneloff); + sprintf(tag.flashRootLength, "%lu", rootfslen + sizeof(deadcode)); + } + int2tag(tag.rootLength, oldrootfslen + sizeof(deadcode)); + + if (args->rsa_signature_given) { + strncpy(tag.rsa_signature, args->rsa_signature_arg, RSASIG_LEN); + } + + if (args->layoutver_given) { + strncpy(tag.flashLayoutVer, args->layoutver_arg, TAGLAYOUT_LEN); + } + + if (args->info1_given) { + strncpy(tag.information1, args->info1_arg, TAGINFO1_LEN); + } + + if (args->info2_given) { + strncpy(tag.information2, args->info2_arg, TAGINFO2_LEN); + } + + if (args->reserved2_given) { + strncpy(tag.reserved2, args->reserved2_arg, 16); + } + + if (args->altinfo_given) { + strncpy(&tag.information1[0], args->altinfo_arg, ALTTAGINFO_LEN); + } + + if (args->second_image_flag_given) { + if (strncmp(args->second_image_flag_arg, "2", DUALFLAG_LEN) != 0) { + strncpy(tag.dualImage, args->second_image_flag_arg, DUALFLAG_LEN); + } + } + + if (args->inactive_given) { + if (strncmp(args->inactive_arg, "2", INACTIVEFLAG_LEN) != 0) { + strncpy(tag.inactiveFlag, args->second_image_flag_arg, INACTIVEFLAG_LEN); + } + } + + for (i = 0; i < NUM_PIRELLI; i++) { + if (strncmp(args->boardid_arg, pirellitab[i], BOARDID_LEN) == 0) { + is_pirelli = 1; + break; + } + } + + if ( !is_pirelli ) { + int2tag(tag.imageCRC, kernelfscrc); + } else { + int2tag(tag.imageCRC, kernelcrc); + } + + int2tag(&(tag.rootfsCRC[0]), rootfscrc); + int2tag(tag.kernelCRC, kernelcrc); + int2tag(tag.fskernelCRC, kernelfscrc); + int2tag(tag.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20)); + + fseek(binfile, 0L, SEEK_SET); + fwrite(&tag, sizeof(uint8_t), sizeof(tag), binfile); + + fflush(binfile); + fclose(binfile); + + return 0; +} + +int main(int argc, char **argv) +{ + int c, i; + char *kernel, *rootfs, *bin; + uint32_t flash_start, image_offset, block_size, load_address, entry; + flash_start = image_offset = block_size = load_address = entry = 0; + struct gengetopt_args_info parsed_args; + + kernel = rootfs = bin = NULL; + + if (cmdline_parser(argc, argv, &parsed_args)) { + exit(1); + } + + printf("Broadcom 63xx image tagger - v2.0.0\n"); + printf("Copyright (C) 2008 Axel Gembe\n"); + printf("Copyright (C) 2009-2010 Daniel Dickinson\n"); + printf("Licensed under the terms of the Gnu General Public License\n"); + + kernel = parsed_args.kernel_arg; + rootfs = parsed_args.rootfs_arg; + bin = parsed_args.output_arg; + if (strlen(parsed_args.tag_version_arg) >= TAGVER_LEN) { + fprintf(stderr, "Error: Tag Version (tag_version,v) too long.\n"); + exit(1); + } + if (strlen(parsed_args.boardid_arg) >= BOARDID_LEN) { + fprintf(stderr, "Error: Board ID (boardid,b) too long.\n"); + exit(1); + } + if (strlen(parsed_args.chipid_arg) >= CHIPID_LEN) { + fprintf(stderr, "Error: Chip ID (chipid,c) too long.\n"); + exit(1); + } + if (strlen(parsed_args.signature_arg) >= SIG1_LEN) { + fprintf(stderr, "Error: Magic string (signature,a) too long.\n"); + exit(1); + } + if (strlen(parsed_args.signature2_arg) >= SIG2_LEN) { + fprintf(stderr, "Error: Second magic string (signature2,m) too long.\n"); + exit(1); + } + if (parsed_args.layoutver_given) { + if (strlen(parsed_args.layoutver_arg) > FLASHLAYOUTVER_LEN) { + fprintf(stderr, "Error: Flash layout version (layoutver,y) too long.\n"); + exit(1); + } + } + if (parsed_args.rsa_signature_given) { + if (strlen(parsed_args.rsa_signature_arg) > RSASIG_LEN) { + fprintf(stderr, "Error: RSA Signature (rsa_signature,r) too long.\n"); + exit(1); + } + } + + if (parsed_args.info1_given) { + if (strlen(parsed_args.info1_arg) >= TAGINFO1_LEN) { + fprintf(stderr, "Error: Vendor Information 1 (info1) too long.\n"); + exit(1); + } + } + + if (parsed_args.info2_given) { + if (strlen(parsed_args.info2_arg) >= TAGINFO2_LEN) { + fprintf(stderr, "Error: Vendor Information 2 (info2) too long.\n"); + exit(1); + } + } + + if (parsed_args.altinfo_given) { + if (strlen(parsed_args.altinfo_arg) >= ALTTAGINFO_LEN) { + fprintf(stderr, "Error: Vendor Information 1 (info1) too long.\n"); + exit(1); + } + } + + if (parsed_args.pad_given) { + if (parsed_args.pad_arg < 0) { + fprintf(stderr, "Error: pad size must be positive.\r"); + exit(1); + } + } + + flash_start = strtoul(parsed_args.flash_start_arg, NULL, 16); + image_offset = strtoul(parsed_args.image_offset_arg, NULL, 16); + block_size = strtoul(parsed_args.block_size_arg, NULL, 16); + + if (!parsed_args.kernel_file_has_header_flag) { + load_address = strtoul(parsed_args.load_addr_arg, NULL, 16); + entry = strtoul(parsed_args.entry_arg, NULL, 16); + if (load_address == 0) { + fprintf(stderr, "Error: Invalid value for load address\n"); + } + if (entry == 0) { + fprintf(stderr, "Error: Invalid value for entry\n"); + } + } + + return tagfile(kernel, rootfs, bin, &parsed_args, flash_start, image_offset, block_size, load_address, entry); +} |