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wic: add GPT support 

Add GPT partition table support.

(From OE-Core rev: a3479ab45d89273b4474ca54517554fc5346da32)

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Alexandre Belloni 2015-02-10 00:46:44 +01:00 committed by Richard Purdie
parent fa818fbb7b
commit 8102bd0172
1 changed files with 8 additions and 1 deletions
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9
scripts/lib/wic/utils/partitionedfs.py
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@ -29,6 +29,9 @@ from wic.utils.oe.misc import *
# Overhead of the MBR partitioning scheme (just one sector)
MBR_OVERHEAD = 1
# Overhead of the GPT partitioning scheme
GPT_OVERHEAD = 34
# Size of a sector in bytes
SECTOR_SIZE = 512
@ -122,7 +125,7 @@ class Image:
msger.debug("Assigning %s partitions to disks" % ptable_format)
if ptable_format not in ('msdos'):
if ptable_format not in ('msdos', 'gpt'):
raise ImageError("Unknown partition table format '%s', supported " \
"formats are: 'msdos'" % ptable_format)
@ -156,6 +159,8 @@ class Image:
if d['numpart'] == 1:
if ptable_format == "msdos":
overhead = MBR_OVERHEAD
elif ptable_format == "gpt":
overhead = GPT_OVERHEAD
# Skip one sector required for the partitioning scheme overhead
d['offset'] += overhead
@ -214,6 +219,8 @@ class Image:
# minumim disk sizes.
for disk_name, d in self.disks.items():
d['min_size'] = d['offset']
if d['ptable_format'] == "gpt":
d['min_size'] += GPT_OVERHEAD
d['min_size'] *= self.sector_size