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Diffstat (limited to 'nanddump.c')
-rw-r--r--nanddump.c216
1 files changed, 108 insertions, 108 deletions
diff --git a/nanddump.c b/nanddump.c
index b2323f6..ab39c04 100644
--- a/nanddump.c
+++ b/nanddump.c
@@ -41,31 +41,31 @@ struct nand_oobinfo none_oobinfo = {
void display_help (void)
{
printf("Usage: nanddump [OPTIONS] MTD-device\n"
- "Dumps the contents of a nand mtd partition.\n"
- "\n"
- " --help display this help and exit\n"
- " --version output version information and exit\n"
- "-f file --file=file dump to file\n"
- "-i --ignoreerrors ignore errors\n"
- "-l length --length=length length\n"
- "-n --noecc read without error correction\n"
- "-o --omitoob omit oob data\n"
- "-b --omitbad omit bad blocks from the dump\n"
- "-p --prettyprint print nice (hexdump)\n"
- "-s addr --startaddress=addr start address\n");
+ "Dumps the contents of a nand mtd partition.\n"
+ "\n"
+ " --help display this help and exit\n"
+ " --version output version information and exit\n"
+ "-f file --file=file dump to file\n"
+ "-i --ignoreerrors ignore errors\n"
+ "-l length --length=length length\n"
+ "-n --noecc read without error correction\n"
+ "-o --omitoob omit oob data\n"
+ "-b --omitbad omit bad blocks from the dump\n"
+ "-p --prettyprint print nice (hexdump)\n"
+ "-s addr --startaddress=addr start address\n");
exit(0);
}
void display_version (void)
{
printf(PROGRAM " " VERSION "\n"
- "\n"
- PROGRAM " comes with NO WARRANTY\n"
- "to the extent permitted by law.\n"
- "\n"
- "You may redistribute copies of " PROGRAM "\n"
- "under the terms of the GNU General Public Licence.\n"
- "See the file `COPYING' for more information.\n");
+ "\n"
+ PROGRAM " comes with NO WARRANTY\n"
+ "to the extent permitted by law.\n"
+ "\n"
+ "You may redistribute copies of " PROGRAM "\n"
+ "under the terms of the GNU General Public Licence.\n"
+ "See the file `COPYING' for more information.\n");
exit(0);
}
@@ -102,52 +102,52 @@ void process_options (int argc, char *argv[])
};
int c = getopt_long(argc, argv, short_options,
- long_options, &option_index);
+ long_options, &option_index);
if (c == EOF) {
break;
}
switch (c) {
- case 0:
- switch (option_index) {
case 0:
- display_help();
+ switch (option_index) {
+ case 0:
+ display_help();
+ break;
+ case 1:
+ display_version();
+ break;
+ }
break;
- case 1:
- display_version();
+ case 'b':
+ omitbad = 1;
+ break;
+ case 's':
+ start_addr = strtol(optarg, NULL, 0);
+ break;
+ case 'f':
+ if (!(dumpfile = strdup(optarg))) {
+ perror("stddup");
+ exit(1);
+ }
+ break;
+ case 'i':
+ ignoreerrors = 1;
+ break;
+ case 'l':
+ length = strtol(optarg, NULL, 0);
+ break;
+ case 'o':
+ omitoob = 1;
+ break;
+ case 'p':
+ pretty_print = 1;
+ break;
+ case 'n':
+ noecc = 1;
+ break;
+ case '?':
+ error = 1;
break;
- }
- break;
- case 'b':
- omitbad = 1;
- break;
- case 's':
- start_addr = strtol(optarg, NULL, 0);
- break;
- case 'f':
- if (!(dumpfile = strdup(optarg))) {
- perror("stddup");
- exit(1);
- }
- break;
- case 'i':
- ignoreerrors = 1;
- break;
- case 'l':
- length = strtol(optarg, NULL, 0);
- break;
- case 'o':
- omitoob = 1;
- break;
- case 'p':
- pretty_print = 1;
- break;
- case 'n':
- noecc = 1;
- break;
- case '?':
- error = 1;
- break;
}
}
@@ -196,8 +196,8 @@ int main(int argc, char **argv)
/* Make sure device page sizes are valid */
if (!(meminfo.oobsize == 64 && meminfo.writesize == 2048) &&
- !(meminfo.oobsize == 16 && meminfo.writesize == 512) &&
- !(meminfo.oobsize == 8 && meminfo.writesize == 256)) {
+ !(meminfo.oobsize == 16 && meminfo.writesize == 512) &&
+ !(meminfo.oobsize == 8 && meminfo.writesize == 256)) {
fprintf(stderr, "Unknown flash (not normal NAND)\n");
close(fd);
exit(1);
@@ -208,27 +208,27 @@ int main(int argc, char **argv)
if (noecc) {
switch (ioctl(fd, MTDFILEMODE, (void *) MTD_MODE_RAW)) {
- case -ENOTTY:
- if (ioctl (fd, MEMGETOOBSEL, &old_oobinfo) != 0) {
- perror ("MEMGETOOBSEL");
- close (fd);
- exit (1);
- }
- if (ioctl (fd, MEMSETOOBSEL, &none_oobinfo) != 0) {
- perror ("MEMSETOOBSEL");
+ case -ENOTTY:
+ if (ioctl (fd, MEMGETOOBSEL, &old_oobinfo) != 0) {
+ perror ("MEMGETOOBSEL");
+ close (fd);
+ exit (1);
+ }
+ if (ioctl (fd, MEMSETOOBSEL, &none_oobinfo) != 0) {
+ perror ("MEMSETOOBSEL");
+ close (fd);
+ exit (1);
+ }
+ oobinfochanged = 1;
+ break;
+
+ case 0:
+ oobinfochanged = 2;
+ break;
+ default:
+ perror ("MTDFILEMODE");
close (fd);
exit (1);
- }
- oobinfochanged = 1;
- break;
-
- case 0:
- oobinfochanged = 2;
- break;
- default:
- perror ("MTDFILEMODE");
- close (fd);
- exit (1);
}
} else {
@@ -263,10 +263,10 @@ int main(int argc, char **argv)
/* Print informative message */
fprintf(stderr, "Block size %u, page size %u, OOB size %u\n",
- meminfo.erasesize, meminfo.writesize, meminfo.oobsize);
+ meminfo.erasesize, meminfo.writesize, meminfo.oobsize);
fprintf(stderr,
- "Dumping data starting at 0x%08x and ending at 0x%08x...\n",
- (unsigned int) start_addr, (unsigned int) end_addr);
+ "Dumping data starting at 0x%08x and ending at 0x%08x...\n",
+ (unsigned int) start_addr, (unsigned int) end_addr);
/* Dump the flash contents */
for (ofs = start_addr; ofs < end_addr ; ofs+=bs) {
@@ -300,12 +300,12 @@ int main(int argc, char **argv)
}
if (stat1.failed != stat2.failed)
fprintf(stderr, "ECC: %d uncorrectable bitflip(s)"
- " at offset 0x%08lx\n",
- stat2.failed - stat1.failed, ofs);
+ " at offset 0x%08lx\n",
+ stat2.failed - stat1.failed, ofs);
if (stat1.corrected != stat2.corrected)
fprintf(stderr, "ECC: %d corrected bitflip(s) at"
- " offset 0x%08lx\n",
- stat2.corrected - stat1.corrected, ofs);
+ " offset 0x%08lx\n",
+ stat2.corrected - stat1.corrected, ofs);
stat1 = stat2;
}
@@ -313,17 +313,17 @@ int main(int argc, char **argv)
if (pretty_print) {
for (i = 0; i < bs; i += 16) {
sprintf(pretty_buf,
- "0x%08x: %02x %02x %02x %02x %02x %02x %02x "
- "%02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
- (unsigned int) (ofs + i), readbuf[i],
- readbuf[i+1], readbuf[i+2],
- readbuf[i+3], readbuf[i+4],
- readbuf[i+5], readbuf[i+6],
- readbuf[i+7], readbuf[i+8],
- readbuf[i+9], readbuf[i+10],
- readbuf[i+11], readbuf[i+12],
- readbuf[i+13], readbuf[i+14],
- readbuf[i+15]);
+ "0x%08x: %02x %02x %02x %02x %02x %02x %02x "
+ "%02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ (unsigned int) (ofs + i), readbuf[i],
+ readbuf[i+1], readbuf[i+2],
+ readbuf[i+3], readbuf[i+4],
+ readbuf[i+5], readbuf[i+6],
+ readbuf[i+7], readbuf[i+8],
+ readbuf[i+9], readbuf[i+10],
+ readbuf[i+11], readbuf[i+12],
+ readbuf[i+13], readbuf[i+14],
+ readbuf[i+15]);
write(ofd, pretty_buf, 60);
}
} else
@@ -349,23 +349,23 @@ int main(int argc, char **argv)
if (pretty_print) {
if (meminfo.oobsize < 16) {
sprintf(pretty_buf, " OOB Data: %02x %02x %02x %02x %02x %02x "
- "%02x %02x\n",
- oobbuf[0], oobbuf[1], oobbuf[2],
- oobbuf[3], oobbuf[4], oobbuf[5],
- oobbuf[6], oobbuf[7]);
+ "%02x %02x\n",
+ oobbuf[0], oobbuf[1], oobbuf[2],
+ oobbuf[3], oobbuf[4], oobbuf[5],
+ oobbuf[6], oobbuf[7]);
write(ofd, pretty_buf, 48);
continue;
}
for (i = 0; i < meminfo.oobsize; i += 16) {
sprintf(pretty_buf, " OOB Data: %02x %02x %02x %02x %02x %02x "
- "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
- oobbuf[i], oobbuf[i+1], oobbuf[i+2],
- oobbuf[i+3], oobbuf[i+4], oobbuf[i+5],
- oobbuf[i+6], oobbuf[i+7], oobbuf[i+8],
- oobbuf[i+9], oobbuf[i+10], oobbuf[i+11],
- oobbuf[i+12], oobbuf[i+13], oobbuf[i+14],
- oobbuf[i+15]);
+ "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
+ oobbuf[i], oobbuf[i+1], oobbuf[i+2],
+ oobbuf[i+3], oobbuf[i+4], oobbuf[i+5],
+ oobbuf[i+6], oobbuf[i+7], oobbuf[i+8],
+ oobbuf[i+9], oobbuf[i+10], oobbuf[i+11],
+ oobbuf[i+12], oobbuf[i+13], oobbuf[i+14],
+ oobbuf[i+15]);
write(ofd, pretty_buf, 60);
}
} else
@@ -388,7 +388,7 @@ int main(int argc, char **argv)
/* Exit happy */
return 0;
- closeall:
+closeall:
/* The new mode change is per file descriptor ! */
if (oobinfochanged == 1) {
if (ioctl (fd, MEMSETOOBSEL, &old_oobinfo) != 0) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 19:03:37 +0000