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-rw-r--r--ubi-utils/src/ubiformat.c22
1 files changed, 20 insertions, 2 deletions
diff --git a/ubi-utils/src/ubiformat.c b/ubi-utils/src/ubiformat.c
index fe7040e..345593c 100644
--- a/ubi-utils/src/ubiformat.c
+++ b/ubi-utils/src/ubiformat.c
@@ -59,6 +59,7 @@ struct args {
int subpage_size;
int vid_hdr_offs;
int ubi_ver;
+ uint32_t image_seq;
off_t image_sz;
long long ec;
const char *image;
@@ -68,7 +69,8 @@ struct args {
static struct args args =
{
- .ubi_ver = 1,
+ .ubi_ver = 1,
+ .image_seq = -1,
};
static const char *doc = PROGRAM_NAME " version " PROGRAM_VERSION
@@ -91,6 +93,8 @@ static const char *optionsstr =
" eraseblocks\n"
"-x, --ubi-ver=<num> UBI version number to put to EC headers\n"
" (default is 1)\n"
+"-Q, --image-seq=<num> 32-bit UBI image sequence number to use\n"
+" (by default a random number is picked)\n"
"-y, --yes assume the answer is \"yes\" for all question\n"
" this program would otherwise ask\n"
"-q, --quiet suppress progress percentage information\n"
@@ -130,6 +134,7 @@ static int parse_opt(int argc, char * const argv[])
while (1) {
int key;
char *endp;
+ unsigned long long image_seq;
key = getopt_long(argc, argv, "nh?Vyqve:x:s:O:f:S:", long_options, NULL);
if (key == -1)
@@ -187,6 +192,14 @@ static int parse_opt(int argc, char * const argv[])
return errmsg("bad UBI version: \"%s\"", optarg);
break;
+ case 'Q':
+ image_seq = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg || image_seq > 0xFFFFFFFF)
+ return errmsg("bad UBI image sequence number: \"%s\"", optarg);
+ args.image_seq = image_seq;
+ break;
+
+
case 'v':
args.verbose = 1;
break;
@@ -222,6 +235,11 @@ static int parse_opt(int argc, char * const argv[])
if (args.image && args.novtbl)
return errmsg("-n cannot be used together with -f");
+ if (!args.image_seq == -1) {
+ srand(getpid());
+ args.image_seq = random();
+ }
+
args.node = argv[optind];
return 0;
}
@@ -872,7 +890,7 @@ int main(int argc, char * const argv[])
normsg("use erase counter %lld for all eraseblocks", args.ec);
ubigen_info_init(&ui, mtd.eb_size, mtd.min_io_size, mtd.subpage_size,
- args.vid_hdr_offs, args.ubi_ver, 0);
+ args.vid_hdr_offs, args.ubi_ver, args.image_seq);
if (si->vid_hdr_offs != -1 && ui.vid_hdr_offs != si->vid_hdr_offs) {
/*