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boot-directdisk: ensure generated MBR disk signature is non-zero 

A zero MBR disk signature is generally seen as no signature and
another partitioning program might install a new signature.

(From OE-Core rev: b6cafb1fcd6c168f8f4a4d2d5c74f3b425f156f3)

Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Jonathan Liu 2013-09-27 01:30:10 +00:00 committed by Richard Purdie
parent cf2ebed2ff
commit df18dc084e
1 changed files with 5 additions and 1 deletions
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6
meta/classes/boot-directdisk.bbclass
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@ -148,7 +148,11 @@ python do_bootdirectdisk() {
def generate_disk_signature():
import uuid
return str(uuid.uuid4())[:8]
while True:
signature = str(uuid.uuid4())[:8]
if signature != '00000000':
return signature
def validate_disk_signature(d):
import re