#include <sys/stat.h>
#include <netinet/in.h>
-#define IMAGETAG_MAGIC1 "OpenWRT BCM963xx"
-#define IMAGETAG_MAGIC2 "V1"
+#define IMAGETAG_MAGIC1 "Broadcom Corporatio"
+#define IMAGETAG_MAGIC2 "ver. 2.0"
#define IMAGETAG_VER "6"
#define IMAGETAG_DEFAULT_LOADADDR 0x80010000
#define IMAGETAG_CRC_START 0xFFFFFFFF
-#define FLASH_CFE_SIZE 0x10000 /* TODO: Make this a command line option */
-#define FLASH_START 0xBFC00000 /* TODO: Make this a command line option */
-#define FLASH_BS (64 * 1024) /* TODO: Make this a command line option */
+#define DEFAULT_FW_OFFSET 0x10000
+#define DEFAULT_FLASH_START 0xBFC00000
+#define DEFAULT_FLASH_BS (64 * 1024)
+#define DEADCODE 0xDEADC0DE
/* Kernel header */
struct kernelhdr {
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 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 */
+// uint8_t reserved2[16]; /* 220 - 235: reserved */
+ uint8_t reserved2[4]; /* 220 - 223: reserved */
+ uint8_t wrtrootfsaddr[12]; /* 224 - 235: wrt rootfs address */
uint32_t headercrc; /* 236 - 239: crc starting from sig1 until headercrc (net byte order) */
- uint8_t reserved3[16]; /* 240 - 255: reserved */
+// uint8_t reserved3[16]; /* 240 - 255: reserved */
+ uint8_t reserved3[6]; /* 240 - 245: reserved */
+ uint8_t wrtrootfslen[10]; /* 246 - 255: wrt rootfs lenght */
};
static uint32_t crc32tab[256] = {
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;
}
int tagfile(const char *kernel, const char *rootfs, const char *bin,
- const char *boardid, const char *chipid, const uint32_t loadaddr,
- const uint32_t entry)
+ 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 *profile)
{
struct imagetag tag;
struct kernelhdr khdr;
FILE *kernelfile = NULL, *rootfsfile = NULL, *binfile;
- size_t kerneloff, kernellen, rootfsoff, rootfslen, read;
+ size_t kerneloff, kernellen, rootfsoff, rootfslen, read, imagelen;
uint8_t readbuf[1024];
- uint32_t crc;
+ uint32_t crc = IMAGETAG_CRC_START;
+ const uint32_t deadcode = htonl(DEADCODE);
memset(&tag, 0, sizeof(struct imagetag));
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 = FLASH_START + FLASH_CFE_SIZE + sizeof(tag);
+ kerneloff = fwaddr + sizeof(tag);
kernellen = getlen(kernelfile);
/* Build the kernel header */
/* 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;
+ 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;
+ rootfslen = (rootfslen % flash_bs) > 0 ? (((rootfslen / flash_bs) + 1) * flash_bs) : rootfslen;
+ imagelen = rootfsoff + rootfslen - kerneloff + sizeof(deadcode);
/* Seek to the start of the kernel */
- fseek(binfile, kerneloff - FLASH_START - FLASH_CFE_SIZE, SEEK_SET);
+ fseek(binfile, kerneloff - fwaddr, SEEK_SET);
/* Write the kernel header */
- crc = crc32(IMAGETAG_CRC_START, (uint8_t*)&khdr, sizeof(khdr));
fwrite(&khdr, sizeof(khdr), 1, binfile);
/* 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 - FLASH_START - FLASH_CFE_SIZE, SEEK_SET);
+ fseek(binfile, rootfsoff - fwaddr, 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);
}
+ /* 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 */
+ /* and fill reserved tag following profile specification */
+ if ( profile && (strcmp(profile, "alice") == 0)) {
+ crc = compute_crc32(crc, binfile, kerneloff - fwaddr, kernellen);
+ /* Should fill alice_data and put them on reserved1 */
+ }
+ else {
+ /* Compute the crc32 of the entire image (deadC0de included) */
+ crc = compute_crc32(crc, binfile, kerneloff - fwaddr, imagelen);
+ }
+
+
/* Close the files */
fclose(kernelfile);
fclose(rootfsfile);
/* Build the tag */
- strcpy(tag.tagver, IMAGETAG_VER);
+ strcpy(tag.tagver, ver);
strncpy(tag.sig1, IMAGETAG_MAGIC1, sizeof(tag.sig1) - 1);
- strncpy(tag.sig2, IMAGETAG_MAGIC2, sizeof(tag.sig2) - 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);
+ sprintf(tag.imagelen, "%lu", imagelen);
/* We don't include CFE */
strcpy(tag.cfe.address, "0");
}
if (rootfsfile) {
- sprintf(tag.rootfs.address, "%lu", rootfsoff);
- sprintf(tag.rootfs.len, "%lu", rootfslen);
+ sprintf(tag.rootfs.address, "%lu", kerneloff);
+ sprintf(tag.rootfs.len, "%lu", rootfslen + sizeof(deadcode));
+ sprintf(tag.wrtrootfsaddr, "%lu", rootfsoff);
+ sprintf(tag.wrtrootfslen, "%lu", rootfslen);
}
tag.imagecrc = htonl(crc);
int main(int argc, char **argv)
{
int c;
- char *kernel, *rootfs, *bin, *boardid, *chipid;
- uint32_t loadaddr, entry;
-
- kernel = rootfs = bin = boardid = chipid = NULL;
+ char *kernel, *rootfs, *bin, *boardid, *chipid, *magic2, *ver, *profile;
+ uint32_t flashstart, fwoffset, loadaddr, entry;
+ uint32_t fwaddr, flash_bs;
+
+ kernel = rootfs = bin = boardid = chipid = magic2 = ver = profile = NULL;
entry = 0;
+ flashstart = DEFAULT_FLASH_START;
+ fwoffset = DEFAULT_FW_OFFSET;
loadaddr = IMAGETAG_DEFAULT_LOADADDR;
+ flash_bs = DEFAULT_FLASH_BS;
- printf("Broadcom image tagger - v0.1.0\n");
+ printf("Broadcom image tagger - v0.1.2\n");
printf("Copyright (C) 2008 Axel Gembe\n");
- while ((c = getopt(argc, argv, "i:f:o:b:c:l:e:h")) != -1) {
+ while ((c = getopt(argc, argv, "i:f:o:b:c:s:n:v:m:k:l:e:h:p:")) != -1) {
switch (c) {
case 'i':
kernel = optarg;
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 'p':
+ profile = optarg;
+ 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, "-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");
+ 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, " -p <profile> - Specify profile for particular devices, use 'list' to see available devices\n");
+ fprintf(stderr, " -h - Displays this text\n\n");
return 1;
}
}
fprintf(stderr, "You need to specify the kernel entry (-e)\n");
return 1;
}
+
+ if (profile && (strcmp(profile, "list") == 0)) {
+ fprintf(stderr, "\n----------------------------------------\n");
+ fprintf(stderr, "\tAvailable Profiles:");
+ fprintf(stderr, "\n\n");
+ fprintf(stderr, "\t'alice'\tALICE GATE VoIP 2 Plus Wi-Fi Business");
+ fprintf(stderr, "\n----------------------------------------\n");
+ return 0;
+ }
+
+ /* If the profile increase should found another way of testing the validity */
+ if (profile && !(strcmp(profile, "alice") == 0)) {
+ fprintf(stderr, "You specified an inexistent profile %s, see the list of availables options\n", profile);
+ 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, loadaddr, entry);
+ return tagfile(kernel, rootfs, bin, boardid, chipid, fwaddr, loadaddr, entry, ver, magic2, flash_bs, profile);
}
projects / openwrt.git / blobdiff