int
main (int argc, char **argv)
{
int ifd = -1;
uint32_t checksum;
uint32_t addr;
uint32_t ep;
struct stat sbuf;
unsigned char *ptr;
char *name = "";
cmdname = *argv;
addr = ep = 0;
while (--argc > 0 && **++argv == '-') {
while (*++*argv) {
switch (**argv) {
case 'l':
lflag = 1;
break;
case 'A':
if ((--argc <= 0) ||
(opt_arch = genimg_get_arch_id (*++argv)) < 0)
usage ();
goto NXTARG;
case 'C':
if ((--argc <= 0) ||
(opt_comp = genimg_get_comp_id (*++argv)) < 0)
usage ();
goto NXTARG;
case 'D':
if (--argc <= 0)
usage ();
opt_dtc = *++argv;
goto NXTARG;
case 'O':
if ((--argc <= 0) ||
(opt_os = genimg_get_os_id (*++argv)) < 0)
usage ();
goto NXTARG;
case 'T':
if ((--argc <= 0) ||
(opt_type = genimg_get_type_id (*++argv)) < 0)
usage ();
goto NXTARG;
case 'a':
if (--argc <= 0)
usage ();
addr = strtoul (*++argv, (char **)&ptr, 16);
if (*ptr) {
fprintf (stderr,
"%s: invalid load address %s\n",
cmdname, *argv);
exit (EXIT_FAILURE);
}
goto NXTARG;
case 'd':
if (--argc <= 0)
usage ();
datafile = *++argv;
dflag = 1;
goto NXTARG;
case 'e':
if (--argc <= 0)
usage ();
ep = strtoul (*++argv, (char **)&ptr, 16);
if (*ptr) {
fprintf (stderr,
"%s: invalid entry point %s\n",
cmdname, *argv);
exit (EXIT_FAILURE);
}
eflag = 1;
goto NXTARG;
case 'f':
if (--argc <= 0)
usage ();
datafile = *++argv;
fflag = 1;
goto NXTARG;
case 'n':
if (--argc <= 0)
usage ();
name = *++argv;
goto NXTARG;
case 'v':
vflag++;
break;
case 'x':
xflag++;
break;
default:
usage ();
}
}
NXTARG: ;
}
if ((argc != 1) ||
(dflag && (fflag || lflag)) ||
(fflag && (dflag || lflag)) ||
(lflag && (dflag || fflag)))
usage();
if (!eflag) {
ep = addr;
/* If XIP, entry point must be after the U-Boot header */
if (xflag)
ep += image_get_header_size ();
}
/*
* If XIP, ensure the entry point is equal to the load address plus
* the size of the U-Boot header.
*/
if (xflag) {
if (ep != addr + image_get_header_size ()) {
fprintf (stderr,
"%s: For XIP, the entry point must be the load addr + %lu\n",
cmdname,
(unsigned long)image_get_header_size ());
exit (EXIT_FAILURE);
}
}
imagefile = *argv;
if (!fflag){
if (lflag) {
ifd = open (imagefile, O_RDONLY|O_BINARY);
} else {
ifd = open (imagefile,
O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
}
if (ifd < 0) {
fprintf (stderr, "%s: Can't open %s: %s\n",
cmdname, imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
}
if (lflag) {
/*
* list header information of existing image
*/
if (fstat(ifd, &sbuf) < 0) {
fprintf (stderr, "%s: Can't stat %s: %s\n",
cmdname, imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
if ((unsigned)sbuf.st_size < image_get_header_size ()) {
fprintf (stderr,
"%s: Bad size: \"%s\" is no valid image\n",
cmdname, imagefile);
exit (EXIT_FAILURE);
}
ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, ifd, 0);
if (ptr == MAP_FAILED) {
fprintf (stderr, "%s: Can't read %s: %s\n",
cmdname, imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
if (fdt_check_header (ptr)) {
/* old-style image */
image_verify_header ((char *)ptr, sbuf.st_size);
image_print_contents ((image_header_t *)ptr);
} else {
/* FIT image */
fit_print_contents (ptr);
}
(void) munmap((void *)ptr, sbuf.st_size);
(void) close (ifd);
exit (EXIT_SUCCESS);
} else if (fflag) {
/* Flattened Image Tree (FIT) format handling */
debug ("FIT format handling\n");
fit_handle_file ();
exit (EXIT_SUCCESS);
}
/*
* Must be -w then:
*
* write dummy header, to be fixed later
*/
memset (hdr, 0, image_get_header_size ());
if (write(ifd, hdr, image_get_header_size ()) != image_get_header_size ()) {
fprintf (stderr, "%s: Write error on %s: %s\n",
cmdname, imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
if (opt_type == IH_TYPE_MULTI || opt_type == IH_TYPE_SCRIPT) {
char *file = datafile;
uint32_t size;
for (;;) {
char *sep = NULL;
if (file) {
if ((sep = strchr(file, ':')) != NULL) {
*sep = '\0';
}
if (stat (file, &sbuf) < 0) {
fprintf (stderr, "%s: Can't stat %s: %s\n",
cmdname, file, strerror(errno));
exit (EXIT_FAILURE);
}
size = cpu_to_uimage (sbuf.st_size);
} else {
size = 0;
}
if (write(ifd, (char *)&size, sizeof(size)) != sizeof(size)) {
fprintf (stderr, "%s: Write error on %s: %s\n",
cmdname, imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
if (!file) {
break;
}
if (sep) {
*sep = ':';
file = sep + 1;
} else {
file = NULL;
}
}
file = datafile;
for (;;) {
char *sep = strchr(file, ':');
if (sep) {
*sep = '\0';
copy_file (ifd, file, 1);
*sep++ = ':';
file = sep;
} else {
copy_file (ifd, file, 0);
break;
}
}
} else {
copy_file (ifd, datafile, 0);
}
/* We're a bit of paranoid */
#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__)
(void) fdatasync (ifd);
#else
(void) fsync (ifd);
#endif
if (fstat(ifd, &sbuf) < 0) {
fprintf (stderr, "%s: Can't stat %s: %s\n",
cmdname, imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
ptr = mmap(0, sbuf.st_size, PROT_READ|PROT_WRITE, MAP_SHARED, ifd, 0);
if (ptr == MAP_FAILED) {
fprintf (stderr, "%s: Can't map %s: %s\n",
cmdname, imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
hdr = (image_header_t *)ptr;
checksum = crc32 (0,
(const char *)(ptr + image_get_header_size ()),
sbuf.st_size - image_get_header_size ()
);
/* Build new header */
image_set_magic (hdr, IH_MAGIC);
image_set_time (hdr, sbuf.st_mtime);
image_set_size (hdr, sbuf.st_size - image_get_header_size ());
image_set_load (hdr, addr);
image_set_ep (hdr, ep);
image_set_dcrc (hdr, checksum);
image_set_os (hdr, opt_os);
image_set_arch (hdr, opt_arch);
image_set_type (hdr, opt_type);
image_set_comp (hdr, opt_comp);
image_set_name (hdr, name);
checksum = crc32 (0, (const char *)hdr, image_get_header_size ());
image_set_hcrc (hdr, checksum);
image_print_contents (hdr);
(void) munmap((void *)ptr, sbuf.st_size);
/* We're a bit of paranoid */
#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__) && !defined(__APPLE__)
(void) fdatasync (ifd);
#else
(void) fsync (ifd);
#endif
if (close(ifd)) {
fprintf (stderr, "%s: Write error on %s: %s\n",
cmdname, imagefile, strerror(errno));
exit (EXIT_FAILURE);
}
exit (EXIT_SUCCESS);
}
int main (int argc, char **argv)
{
int fd = -1, err = 0, readbyte = 0, j;
struct mtd_info_user mtdinfo;
char buf[sizeof(image_header_t)];
int found = 0;
cmdname = *argv;
while (--argc > 0 && **++argv == '-') {
while (*++*argv) {
switch (**argv) {
case 'c':
if (--argc <= 0)
usage ();
sectorcount = (unsigned int)atoi(*++argv);
cflag = 1;
goto NXTARG;
case 'o':
if (--argc <= 0)
usage ();
sectoroffset = (unsigned int)atoi(*++argv);
goto NXTARG;
case 's':
if (--argc <= 0)
usage ();
sectorsize = (unsigned int)atoi(*++argv);
sflag = 1;
goto NXTARG;
default:
usage ();
}
}
NXTARG: ;
}
if (argc != 1 || cflag == 0 || sflag == 0)
usage();
devicefile = *argv;
fd = open(devicefile, O_RDONLY);
if (fd < 0) {
fprintf (stderr, "%s: Can't open %s: %s\n",
cmdname, devicefile, strerror(errno));
exit(EXIT_FAILURE);
}
err = ioctl(fd, MEMGETINFO, &mtdinfo);
if (err < 0) {
fprintf(stderr, "%s: Cannot get MTD information: %s\n",cmdname,
strerror(errno));
exit(EXIT_FAILURE);
}
if (mtdinfo.type != MTD_NORFLASH && mtdinfo.type != MTD_NANDFLASH) {
fprintf(stderr, "%s: Unsupported flash type %u\n",
cmdname, mtdinfo.type);
exit(EXIT_FAILURE);
}
if (sectorsize * sectorcount != mtdinfo.size) {
fprintf(stderr, "%s: Partition size (%d) incompatible with "
"sector size and count\n", cmdname, mtdinfo.size);
exit(EXIT_FAILURE);
}
if (sectorsize * sectoroffset >= mtdinfo.size) {
fprintf(stderr, "%s: Partition size (%d) incompatible with "
"sector offset given\n", cmdname, mtdinfo.size);
exit(EXIT_FAILURE);
}
if (sectoroffset > sectorcount - 1) {
fprintf(stderr, "%s: Sector offset cannot be grater than "
"sector count minus one\n", cmdname);
exit(EXIT_FAILURE);
}
printf("Searching....\n");
for (j = sectoroffset; j < sectorcount; ++j) {
if (lseek(fd, j*sectorsize, SEEK_SET) != j*sectorsize) {
fprintf(stderr, "%s: lseek failure: %s\n",
cmdname, strerror(errno));
exit(EXIT_FAILURE);
}
err = flash_bad_block(fd, mtdinfo.type, j*sectorsize);
if (err < 0)
exit(EXIT_FAILURE);
if (err)
continue; /* Skip and jump to next */
readbyte = read(fd, buf, sizeof(image_header_t));
if (readbyte != sizeof(image_header_t)) {
fprintf(stderr, "%s: Can't read from device: %s\n",
cmdname, strerror(errno));
exit(EXIT_FAILURE);
}
if (fdt_check_header(buf)) {
/* old-style image */
if (image_verify_header(buf, fd)) {
found = 1;
image_print_contents((image_header_t *)buf);
}
} else {
/* FIT image */
fit_print_contents(buf);
}
}
close(fd);
if(!found)
printf("No images found\n");
exit(EXIT_SUCCESS);
}
