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openwrt/tools/firmware-utils/src/imagetag.c

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/*
* 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 Daniel Dickinson <crazycshore@gmail.com>
*/
#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"
#define IMAGETAG_MAGIC1 "Broadcom Corporatio"
#define IMAGETAG_MAGIC2 "ver. 2.0"
#define IMAGETAG_VER "6"
#define IMAGETAG_DEFAULT_LOADADDR 0x80010000
#define DEFAULT_FW_OFFSET 0x10000
#define DEFAULT_FLASH_START 0xBFC00000
#define DEFAULT_FLASH_BS (64 * 1024)
#define DEADCODE 0xDEADC0DE
union int2char {
uint32_t input;
unsigned char output[4];
};
/* This appears to be necessary due to alignment issues */
#define int2tag(tag, value) intchar.input = htonl(value); \
strncpy(tag, intchar.output, sizeof(union int2char))
/* 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 struct tagiddesc_t tagidtab[NUM_TAGID] = TAGID_DEFINITIONS;
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
};
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 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,
const char *tagid, const char *information)
{
union bcm_tag tag;
struct kernelhdr khdr;
FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile;
size_t kerneloff, kernellen, rootfsoff, rootfslen, read, imagelen, rootfsoffpadlen;
uint8_t readbuf[1024];
uint32_t imagecrc = IMAGETAG_CRC_START;
uint32_t kernelcrc = IMAGETAG_CRC_START;
uint32_t rootfscrc = IMAGETAG_CRC_START;
const uint32_t deadcode = htonl(DEADCODE);
union int2char intchar;
memset(&tag, 0, sizeof(union bcm_tag));
/* All imagetags have boardid in the same location and of the same
* size, so we just use the bccfe one
*/
if (strlen(boardid) >= sizeof(tag.bccfe.boardid)) {
fprintf(stderr, "Board id is too long!\n");
return 1;
}
/* Likewise chipid */
if (strlen(chipid) >= sizeof(tag.bccfe.chipid)) {
fprintf(stderr, "Chip id is too long!\n");
return 1;
}
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;
}
/* 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);
/* 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 );
imagelen = rootfsoff + rootfslen - kerneloff + sizeof(deadcode);
rootfsoffpadlen = rootfsoff - (kerneloff + kernellen);
/* Seek to the start of the kernel */
fseek(binfile, kerneloff - fwaddr, 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, 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", flash_bs/1024);
fseek(binfile, rootfsoff + rootfslen - fwaddr, SEEK_SET);
fwrite(&deadcode, sizeof(uint32_t), 1, binfile);
/* Choose and compute the CRC32 that should be inserted in the tag */
if ( tagid && ( (strncmp(tagid, "bccfe", TAGID_LEN) == 0)) || ( strncmp(tagid, "bc300", TAGID_LEN) == 0)) {
/* Compute the crc32 of the entire image (deadC0de included) */
imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen);
} else if ( tagid && (strncmp(tagid, "ag306", TAGID_LEN) == 0)) {
/* Compute the crc32 of the kernel and padding between kernel and rootfs) */
kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen);
} else if ( tagid && ( (strncmp(tagid, "bc308", TAGID_LEN) == 0))) {
/* Compute the crc32 of the entire image (deadC0de included) */
imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen);
/* Compute the crc32 of the kernel and padding between kernel and rootfs) */
kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen);
} else if ( tagid && (strncmp(tagid, "bc310", TAGID_LEN) == 0) ) {
/* Compute the crc32 of the entire image (deadC0de included) */
imagecrc = compute_crc32(imagecrc, binfile, kerneloff - fwaddr, imagelen);
/* Compute the crc32 of the kernel and padding between kernel and rootfs) */
kernelcrc = compute_crc32(kernelcrc, binfile, kerneloff - fwaddr, kernellen + rootfsoffpadlen);
/* 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, rootfslen + sizeof(deadcode));
}
/* Close the files */
fclose(kernelfile);
fclose(rootfsfile);
if ( tagid && (strcmp(tagid, "bccfe") == 0)) {
/* Build the tag */
strncpy(tag.bccfe.tagVersion, ver, TAGVER_LEN);
strncpy(tag.bccfe.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bccfe.sig_1) - 1);
strncpy(tag.bccfe.sig_2, magic2, sizeof(tag.bccfe.sig_2) - 1);
strcpy(tag.bccfe.chipid, chipid);
strcpy(tag.bccfe.boardid, boardid);
strcpy(tag.bccfe.big_endian, "1");
sprintf(tag.bccfe.totalLength, "%lu", imagelen);
/* We don't include CFE */
strcpy(tag.bccfe.cfeAddress, "0");
strcpy(tag.bccfe.cfeLength, "0");
if (kernelfile) {
sprintf(tag.bccfe.kernelAddress, "%lu", kerneloff);
sprintf(tag.bccfe.kernelLength, "%lu", kernellen + rootfsoffpadlen);
}
if (rootfsfile) {
sprintf(tag.bccfe.rootAddress, "%lu", rootfsoff);
sprintf(tag.bccfe.rootLength, "%lu", rootfslen);
}
strncpy(tag.bccfe.tagId, "bccfe", TAGID_LEN);
int2tag(tag.bccfe.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bccfe.tagId[0]), TAGID_LEN));
int2tag(tag.bccfe.imageCRC, imagecrc);
int2tag(tag.bccfe.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
} else if ( tagid && (strcmp(tagid, "bc300") == 0)) {
/* Build the tag */
strncpy(tag.bc300.tagVersion, ver, TAGVER_LEN);
strncpy(tag.bc300.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bc300.sig_1) - 1);
strncpy(tag.bc300.sig_2, magic2, sizeof(tag.bc300.sig_2) - 1);
strcpy(tag.bc300.chipid, chipid);
strcpy(tag.bc300.boardid, boardid);
strcpy(tag.bc300.big_endian, "1");
sprintf(tag.bc300.totalLength, "%lu", imagelen);
/* We don't include CFE */
strcpy(tag.bc300.cfeAddress, "0");
strcpy(tag.bc300.cfeLength, "0");
if (kernelfile) {
sprintf(tag.bc300.kernelAddress, "%lu", kerneloff);
sprintf(tag.bc300.kernelLength, "%lu", kernellen + rootfsoffpadlen);
}
if (rootfsfile) {
sprintf(tag.bc300.flashImageStart, "%lu", kerneloff);
sprintf(tag.bc300.flashRootLength, "%lu", rootfslen + sizeof(deadcode));
sprintf(tag.bc300.rootAddress, "%lu", rootfsoff);
sprintf(tag.bc300.rootLength, "%lu", rootfslen);
}
strncpy(tag.bc300.tagId, "bc300", TAGID_LEN);
int2tag(tag.bc300.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bc300.tagId[0]), TAGID_LEN));
int2tag(tag.bc300.imageCRC, imagecrc);
int2tag(tag.bc300.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
} else if ( tagid && (strcmp(tagid, "ag306") == 0)) {
/* Build the tag */
strncpy(tag.ag306.tagVersion, ver, TAGVER_LEN);
strncpy(tag.ag306.sig_1, IMAGETAG_MAGIC1, sizeof(tag.ag306.sig_1) - 1);
strncpy(tag.ag306.sig_2, magic2, sizeof(tag.ag306.sig_2) - 1);
strcpy(tag.ag306.chipid, chipid);
strcpy(tag.ag306.boardid, boardid);
strcpy(tag.ag306.big_endian, "1");
sprintf(tag.ag306.totalLength, "%lu", imagelen);
/* We don't include CFE */
strcpy(tag.ag306.cfeAddress, "0");
strcpy(tag.ag306.cfeLength, "0");
if (kernelfile) {
sprintf(tag.ag306.kernelAddress, "%lu", kerneloff);
sprintf(tag.ag306.kernelLength, "%lu", kernellen + rootfsoffpadlen);
}
if (rootfsfile) {
sprintf(tag.ag306.flashImageStart, "%lu", kerneloff);
sprintf(tag.ag306.flashRootLength, "%lu", rootfslen + sizeof(deadcode));
sprintf(tag.ag306.rootAddress, "%lu", rootfsoff);
sprintf(tag.ag306.rootLength, "%lu", rootfslen);
}
strncpy(tag.ag306.tagId, "ag306", TAGID_LEN);
int2tag(tag.ag306.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.ag306.tagId[0]), TAGID_LEN));
int2tag(tag.ag306.kernelCRC, kernelcrc);
int2tag(tag.ag306.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
} else if ( tagid && (strcmp(tagid, "bc308") == 0)) {
/* Build the tag */
strncpy(tag.bc308.tagVersion, ver, TAGVER_LEN);
strncpy(tag.bc308.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bc308.sig_1) - 1);
strncpy(tag.bc308.sig_2, magic2, sizeof(tag.bc308.sig_2) - 1);
strcpy(tag.bc308.chipid, chipid);
strcpy(tag.bc308.boardid, boardid);
strcpy(tag.bc308.big_endian, "1");
sprintf(tag.bc308.totalLength, "%lu", imagelen);
/* We don't include CFE */
strcpy(tag.bc308.cfeAddress, "0");
strcpy(tag.bc308.cfeLength, "0");
if (kernelfile) {
sprintf(tag.bc308.kernelAddress, "%lu", kerneloff);
sprintf(tag.bc308.kernelLength, "%lu", kernellen + rootfsoffpadlen);
}
if (rootfsfile) {
sprintf(tag.bc308.flashImageStart, "%lu", kerneloff);
sprintf(tag.bc308.flashRootLength, "%lu", rootfslen + sizeof(deadcode));
sprintf(tag.bc308.rootAddress, "%lu", rootfsoff);
sprintf(tag.bc308.rootLength, "%lu", rootfslen);
}
strncpy(tag.bc308.tagId, "bc308", TAGID_LEN);
strcpy(tag.bc308.flashLayoutVer, "5"); // This is needed at least for BT Voyager
int2tag(tag.bc308.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bc308.tagId[0]), TAGID_LEN));
int2tag(tag.bc308.imageCRC, imagecrc);
int2tag(tag.bc308.kernelCRC, kernelcrc);
int2tag(tag.bc308.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
} else if ( tagid && (strcmp(tagid, "bc310") == 0)) {
/* Build the tag */
strncpy(tag.bc310.tagVersion, ver, TAGVER_LEN);
strncpy(tag.bc310.sig_1, IMAGETAG_MAGIC1, sizeof(tag.bc310.sig_1) - 1);
strncpy(tag.bc310.sig_2, magic2, sizeof(tag.bc310.sig_2) - 1);
strcpy(tag.bc310.chipid, chipid);
strcpy(tag.bc310.boardid, boardid);
strcpy(tag.bc310.big_endian, "1");
sprintf(tag.bc310.totalLength, "%lu", imagelen);
/* We don't include CFE */
strcpy(tag.bc310.cfeAddress, "0");
strcpy(tag.bc310.cfeLength, "0");
if (kernelfile) {
sprintf(tag.bc310.kernelAddress, "%lu", kerneloff);
sprintf(tag.bc310.kernelLength, "%lu", kernellen + rootfsoffpadlen);
}
if (rootfsfile) {
sprintf(tag.bc310.flashImageStart, "%lu", kerneloff);
sprintf(tag.bc310.flashRootLength, "%lu", rootfslen + sizeof(deadcode));
sprintf(tag.bc310.rootAddress, "%lu", rootfsoff);
sprintf(tag.bc310.rootLength, "%lu", rootfslen);
}
strncpy(tag.bc310.tagId, "bc310", TAGID_LEN);
if (information) {
strncpy(tag.bc310.information1, information, TAGINFO_LEN);
}
int2tag(tag.bc310.tagIdCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&(tag.bc310.tagId[0]), TAGID_LEN));
int2tag(tag.bc310.imageCRC, imagecrc);
int2tag(tag.bc310.kernelCRC, kernelcrc);
int2tag(tag.bc310.rootfsCRC, rootfscrc);
int2tag(tag.bc310.headerCRC, crc32(IMAGETAG_CRC_START, (uint8_t*)&tag, sizeof(tag) - 20));
}
fseek(binfile, 0L, SEEK_SET);
fwrite(&tag, sizeof(uint8_t), sizeof(tag), binfile);
fclose(binfile);
return 0;
}
int main(int argc, char **argv)
{
int c, i;
char *kernel, *rootfs, *bin, *boardid, *chipid, *magic2, *ver, *tagid, *information;
uint32_t flashstart, fwoffset, loadaddr, entry;
uint32_t fwaddr, flash_bs;
int tagidfound = 0;
kernel = rootfs = bin = boardid = chipid = magic2 = ver = tagid = information = NULL;
entry = 0;
flashstart = DEFAULT_FLASH_START;
fwoffset = DEFAULT_FW_OFFSET;
loadaddr = IMAGETAG_DEFAULT_LOADADDR;
flash_bs = DEFAULT_FLASH_BS;
printf("Broadcom image tagger - v0.2.0\n");
printf("Copyright (C) 2008 Axel Gembe\n");
printf("Copyright (C) 2009 Daniel Dickinson\n");
while ((c = getopt(argc, argv, "i:f:o:b:c:s:n:v:m:k:l:e:h:t:d:")) != -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 't':
tagid = optarg;
break;
case 'd':
information = optarg;
break;
case 'h':
default:
fprintf(stderr, "Usage: imagetag <parameters>\n\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> - flash erase block size\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, " -t <tagid> - type if imagetag to create, use 'list' to see available choices");
fprintf(stderr, " -d <information> - vendor specific information, for those that need it");
fprintf(stderr, " -h - Displays this text\n\n");
return 1;
}
}
if (!boardid || !chipid) {
fprintf(stderr, "You need to specify the board (-b) and chip id (-c)!\n");
return 1;
}
if (entry == 0) {
fprintf(stderr, "You need to specify the kernel entry (-e)\n");
return 1;
}
tagidfound = 0;
if (!tagid) {
fprintf(stderr, "You must specify a tagid (-t)\n");
} else {
if (strncmp(tagid, "list", 4) == 0) {
fprintf(stderr, "\n----------------------------------------\n");
fprintf(stderr, "\tAvailable tagId:");
fprintf(stderr, "\n\n");
for (i = 0; i < NUM_TAGID; i++) {
fprintf(stderr, "\t%s\t%s", tagidtab[i].tagid, tagidtab[i].tagiddesc);
}
fprintf(stderr, "\n----------------------------------------\n");
return 0;
}
}
if (tagid) {
for(i = 0; i < NUM_TAGID; i++) {
if (strncmp(tagid, tagidtab[i].tagid, TAGID_LEN) == 0) {
tagidfound = 1;
break;
}
}
if (!tagidfound) {
if (tagid) {
fprintf(stderr, "The tagid you selected '%s' does't exist.\n", tagid);
}
fprintf(stderr, "Use -t list to see the list of available ids");
return 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 (!ver) {
ver = malloc(sizeof(char) * 4);
if (!ver) {
perror("malloc");
return 1;
}
strcpy(ver, IMAGETAG_VER);
}
return tagfile(kernel, rootfs, bin, boardid, chipid, fwaddr, loadaddr, entry, ver, magic2, flash_bs, tagid, information);
}
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