* 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 <sys/stat.h>
#include <netinet/in.h>
-#define IMAGETAG_MAGIC1 "OpenWRT BCM963xx"
-#define IMAGETAG_MAGIC2 "V1"
-#define IMAGETAG_VER "6"
-#define IMAGETAG_DEFAULT_LOADADDR 0x80010000
-#define IMAGETAG_CRC_START 0xFFFFFFFF
-#define DEFAULT_FW_OFFSET 0x10000
-#define DEFAULT_FLASH_START 0xBFC00000
-#define DEFAULT_FLASH_BS (64 * 1024)
+#include "bcm_tag.h"
+#include "imagetag_cmdline.h"
+
+#define DEADCODE 0xDEADC0DE
/* Kernel header */
struct kernelhdr {
uint32_t lzmalen; /* Compressed length of the LZMA data that follows */
};
-/* Image component */
-struct imagecomp {
- uint8_t address[12]; /* Address of this component as ASCII */
- uint8_t len[10]; /* Length of this component as ASCII */
-};
-
-/* Image tag */
-struct imagetag {
- uint8_t tagver[4]; /* 0 - 3: Version of the tag as ASCII (2) */
- uint8_t sig1[20]; /* 4 - 23: BCM_MAGIC_1 */
- uint8_t sig2[14]; /* 24 - 37: BCM_MAGIC_2 */
- uint8_t chipid[6]; /* 38 - 43: Chip id as ASCII (6345) */
- uint8_t boardid[16]; /* 44 - 59: Board id as ASCII (96345GW2, etc...) */
- uint8_t bigendian[2]; /* 60 - 61: "1" for big endian, "0" for little endian */
- uint8_t imagelen[10]; /* 62 - 71: The length of all data that follows */
- struct imagecomp cfe; /* 72 - 93: The offset and length of CFE */
- struct imagecomp rootfs; /* 94 - 115: The offset and length of the root file system */
- struct imagecomp kernel; /* 116 - 137: The offset and length of the kernel */
- uint8_t dualimage[2]; /* 138 - 139: use "0" here */
- uint8_t inactive[2]; /* 140 - 141: use "0" here */
- uint8_t reserved1[74]; /* 142 - 215: reserved */
- uint32_t imagecrc; /* 216 - 219: crc of the images (net byte order) */
- uint8_t reserved2[16]; /* 220 - 235: reserved */
- uint32_t headercrc; /* 236 - 239: crc starting from sig1 until headercrc (net byte order) */
- uint8_t reserved3[16]; /* 240 - 255: reserved */
-};
+static char pirellitab[NUM_PIRELLI][BOARDID_LEN] = PIRELLI_BOARDS;
static uint32_t crc32tab[256] = {
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
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--)
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;
return retval;
}
-int tagfile(const char *kernel, const char *rootfs, const char *bin,
- const char *boardid, const char *chipid, const uint32_t fwaddr,
- const uint32_t loadaddr, const uint32_t entry,
- const char *ver, const char *magic2, const uint32_t flash_bs)
+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 imagetag tag;
+ struct bcm_tag tag;
struct kernelhdr khdr;
- FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile;
- size_t kerneloff, kernellen, rootfsoff, rootfslen, read;
+ 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 crc;
+ 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 imagetag));
- if (strlen(boardid) >= sizeof(tag.boardid)) {
- fprintf(stderr, "Board id is too long!\n");
- return 1;
- }
+ memset(&tag, 0, sizeof(struct bcm_tag));
- if (strlen(chipid) >= sizeof(tag.chipid)) {
- fprintf(stderr, "Chip id is too long!\n");
- return 1;
+ if (!kernel || !rootfs) {
+ fprintf(stderr, "imagetag can't create an image without both kernel and rootfs\n");
}
if (kernel && !(kernelfile = fopen(kernel, "rb"))) {
return 1;
}
- if (!bin || !(binfile = fopen(bin, "wb"))) {
+ if (!bin || !(binfile = fopen(bin, "wb+"))) {
fprintf(stderr, "Unable to open output file \"%s\"\n", bin);
return 1;
}
- /* Build the kernel address and length (doesn't need to be aligned, read only) */
- kerneloff = fwaddr + sizeof(tag);
- kernellen = getlen(kernelfile);
-
- /* Build the kernel header */
- khdr.loadaddr = htonl(loadaddr);
- khdr.entry = htonl(entry);
- khdr.lzmalen = htonl(kernellen);
-
- /* Increase the kernel size by the header size */
- kernellen += sizeof(khdr);
+ 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);
+ }
+ }
- /* Build the rootfs address and length (start and end do need to be aligned on flash erase block boundaries */
- rootfsoff = kerneloff + kernellen;
- rootfsoff = (rootfsoff % flash_bs) > 0 ? (((rootfsoff / flash_bs) + 1) * flash_bs) : rootfsoff;
- rootfslen = getlen(rootfsfile);
- rootfslen = (rootfslen % flash_bs) > 0 ? (((rootfslen / flash_bs) + 1) * flash_bs) : rootfslen;
+ 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);
+ }
- /* Seek to the start of the kernel */
- fseek(binfile, kerneloff - fwaddr, SEEK_SET);
+ } else {
+ cfeoff = 0;
+ cfelen = 0;
+ }
- /* Write the kernel header */
- crc = crc32(IMAGETAG_CRC_START, (uint8_t*)&khdr, sizeof(khdr));
- fwrite(&khdr, sizeof(khdr), 1, binfile);
+ 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 kernel */
- while (kernelfile && !feof(kernelfile) && !ferror(kernelfile)) {
+ /* 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);
+
+ /* 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;
+
+ 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);
- crc = crc32(crc, readbuf, read);
fwrite(readbuf, sizeof(uint8_t), read, binfile);
- }
+ }
- /* Write the RootFS */
- fseek(binfile, rootfsoff - fwaddr, SEEK_SET);
- while (rootfsfile && !feof(rootfsfile) && !ferror(rootfsfile)) {
+ /* 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);
- /*
- * TODO: Is this necessary ?
- * crc = crc32(crc, readbuf, read);
- */
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 */
- strcpy(tag.tagver, ver);
- strncpy(tag.sig1, IMAGETAG_MAGIC1, sizeof(tag.sig1) - 1);
- strncpy(tag.sig2, magic2, sizeof(tag.sig2) - 1);
- strcpy(tag.chipid, chipid);
- strcpy(tag.boardid, boardid);
- strcpy(tag.bigendian, "1");
- sprintf(tag.imagelen, "%lu", kernellen + rootfslen);
+ 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, rootfslen + 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);
+ }
- /* We don't include CFE */
- strcpy(tag.cfe.address, "0");
- strcpy(tag.cfe.len, "0");
+ if (args->info1_given) {
+ strncpy(tag.information1, args->info1_arg, TAGINFO1_LEN);
+ }
- if (kernelfile) {
- sprintf(tag.kernel.address, "%lu", kerneloff);
- sprintf(tag.kernel.len, "%lu", kernellen);
+ if (args->info2_given) {
+ strncpy(tag.information2, args->info2_arg, TAGINFO2_LEN);
}
- if (rootfsfile) {
- sprintf(tag.rootfs.address, "%lu", rootfsoff);
- sprintf(tag.rootfs.len, "%lu", rootfslen);
+ if (args->reserved2_given) {
+ strncpy(tag.reserved2, args->reserved2_arg, 16);
}
- tag.imagecrc = htonl(crc);
- tag.headercrc = htonl(crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
+ 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;
- char *kernel, *rootfs, *bin, *boardid, *chipid, *magic2, *ver;
- uint32_t flashstart, fwoffset, loadaddr, entry;
- uint32_t fwaddr, flash_bs;
-
- kernel = rootfs = bin = boardid = chipid = NULL;
- entry = 0;
+ 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;
- flashstart = DEFAULT_FLASH_START;
- fwoffset = DEFAULT_FW_OFFSET;
- loadaddr = IMAGETAG_DEFAULT_LOADADDR;
- flash_bs = DEFAULT_FLASH_BS;
+ kernel = rootfs = bin = NULL;
- printf("Broadcom image tagger - v0.1.1\n");
- printf("Copyright (C) 2008 Axel Gembe\n");
-
- while ((c = getopt(argc, argv, "i:f:o:b:c:s:n:v:m:k:l:e:h")) != -1) {
- switch (c) {
- case 'i':
- kernel = optarg;
- break;
- case 'f':
- rootfs = optarg;
- break;
- case 'o':
- bin = optarg;
- break;
- case 'b':
- boardid = optarg;
- break;
- case 'c':
- chipid = optarg;
- break;
- case 's':
- flashstart = strtoul(optarg, NULL, 16);
- break;
- case 'n':
- fwoffset = strtoul(optarg, NULL, 16);
- break;
- case 'v':
- ver = optarg;
- break;
- case 'm':
- magic2 = optarg;
- break;
- case 'k':
- flash_bs = strtoul(optarg, NULL, 16);
- break;
- case 'l':
- loadaddr = strtoul(optarg, NULL, 16);
- break;
- case 'e':
- entry = strtoul(optarg, NULL, 16);
- break;
- case 'h':
- default:
- fprintf(stderr, "Usage: imagetag <parameters>\n");
- fprintf(stderr, "-i <kernel> - The LZMA compressed kernel file to include in the image\n");
- fprintf(stderr, "-f <rootfs> - The RootFS file to include in the image\n");
- fprintf(stderr, "-o <bin> - The output file\n");
- fprintf(stderr, "-b <boardid> - The board id to set in the image (i.e. \"96345GW2\")\n");
- fprintf(stderr, "-c <chipid> - The chip id to set in the image (i.e. \"6345\")\n");
- fprintf(stderr, "-s <flashstart> - Flash start address (i.e. \"0xBFC00000\"\n");
- fprintf(stderr, "-n <fwoffset> - \n");
- fprintf(stderr, "-v <version> - \n");
- fprintf(stderr, "-m <magic2> - \n");
- fprintf(stderr, "-k <flash_bs> - \n");
- fprintf(stderr, "-l <loadaddr> - Address where the kernel expects to be loaded (defaults to 0x80010000)\n");
- fprintf(stderr, "-e <entry> - Address where the kernel entry point will end up\n");
- fprintf(stderr, "-h - Displays this text\n");
- return 1;
- }
+ if (cmdline_parser(argc, argv, &parsed_args)) {
+ exit(1);
}
- if (!boardid || !chipid) {
- fprintf(stderr, "You need to specify the board (-b) and chip id (-c)!\n");
- return 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 (entry == 0) {
- fprintf(stderr, "You need to specify the kernel entry (-e)\n");
- return 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);
+ }
}
- /* Fallback to defaults */
-
- fwaddr = flashstart + fwoffset;
-
- if (!magic2) {
- magic2 = malloc(sizeof(char) * 14);
- if (!magic2) {
- perror("malloc");
- return 1;
- }
- strcpy(magic2, IMAGETAG_MAGIC2);
+ 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 (!ver) {
- ver = malloc(sizeof(char) * 4);
- if (!ver) {
- perror("malloc");
- return 1;
- }
- strcpy(ver, IMAGETAG_VER);
+ 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);
+ }
}
- return tagfile(kernel, rootfs, bin, boardid, chipid, fwaddr, loadaddr, entry, ver, magic2, flash_bs);
+ 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);
+ }
+ }
+ 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);
}
projects / openwrt.git / blobdiff