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author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-06-17 12:40:04 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-06-18 09:01:01 +0200 |
commit | bc31d85c6e23d724664e76bcfc3b2eda778012a3 (patch) | |
tree | 7555fa7f2093c7777635f576941c4a59bd7038db /common/partitions/dos.c | |
parent | acc930f1e9c482dc826bb63a6b9d36463a280210 (diff) | |
download | barebox-bc31d85c6e23d724664e76bcfc3b2eda778012a3.tar.gz barebox-bc31d85c6e23d724664e76bcfc3b2eda778012a3.tar.xz |
cdev: Add partuuid string to struct cdev
This adds the partuuid string to struct cdev in order to have this
available for constructing a suitable Linux root=PARTUUID= option
for booting Linux.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common/partitions/dos.c')
-rw-r--r-- | common/partitions/dos.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/common/partitions/dos.c b/common/partitions/dos.c index 37addfd2ef..e0cb35627d 100644 --- a/common/partitions/dos.c +++ b/common/partitions/dos.c @@ -185,6 +185,7 @@ static void dos_partition(void *buf, struct block_device *blk, uint8_t *buffer = buf; int i; struct disk_signature_priv *dsp; + uint32_t signature = get_unaligned_le32(buf + 0x1b8); table = (struct partition_entry *)&buffer[446]; @@ -202,6 +203,9 @@ static void dos_partition(void *buf, struct block_device *blk, pd->parts[n].first_sec = pentry.first_sec; pd->parts[n].size = pentry.size; pd->parts[n].dos_partition_type = pentry.dos_partition_type; + if (signature) + sprintf(pd->parts[n].partuuid, "%08x-%02d", + signature, i + 1); pd->used_entries++; /* * Partitions of type 0x05 and 0x0f (and some more) |