[oe-commits] [openembedded-core] 03/17: wic: allow multiple /boot partitions with different content
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Wed Sep 13 10:43:34 UTC 2017
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rpurdie pushed a commit to branch master-next
in repository openembedded-core.
commit f6b14cae845e6e8b8c9c2e28af14064addfc1aed
Author: Enrico Scholz <enrico.scholz at ensc.de>
AuthorDate: Fri Sep 8 19:33:02 2017 +0200
wic: allow multiple /boot partitions with different content
It can be useful to have multiple partitions with '--source bootimg-partition'
but different content.
E.g. for TI AM335x, one boot partition can contain an first stage
bootloader ("MLO"), while the real bootloader and kernel plus devicetree
are in another one.
Patch allows to specify multiple IMAGE_BOOT_FILES with optional "_label-XXX"
or "_uuid-XXX" overrides.
E.g. with this patch, a .wks file with
| part --source bootimg-partition ... --label=mlo --active
| part --source bootimg-partition ... --label=boot0
| part --source bootimg-partition ... --label=boot1
and a recipe with
| IMAGE_BOOT_FILES_label-mlo = "\
| MLO-${MACHINE}.img;MLO \
| "
|
| IMAGE_BOOT_FILES_label-boot0 = "\
| u-boot-${MACHINE}.img;u-boot.img \
| zImage \
| "
|
| IMAGE_BOOT_FILES_label-boot1 = "${IMAGE_BOOT_FILES_label-boot0}"
|
| WICVARS += " \
| IMAGE_BOOT_FILES_label-mlo \
| IMAGE_BOOT_FILES_label-boot0 \
| IMAGE_BOOT_FILES_label-boot1 \
| "
is possible. It will create one partition with the MLO and two redundant
ones with the uboot + kernel.
Signed-off-by: Enrico Scholz <enrico.scholz at ensc.de>
Signed-off-by: Ross Burton <ross.burton at intel.com>
---
scripts/lib/wic/plugins/source/bootimg-partition.py | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/scripts/lib/wic/plugins/source/bootimg-partition.py b/scripts/lib/wic/plugins/source/bootimg-partition.py
index ca074a3..67e5498 100644
--- a/scripts/lib/wic/plugins/source/bootimg-partition.py
+++ b/scripts/lib/wic/plugins/source/bootimg-partition.py
@@ -54,7 +54,7 @@ class BootimgPartitionPlugin(SourcePlugin):
- sets up a vfat partition
- copies all files listed in IMAGE_BOOT_FILES variable
"""
- hdddir = "%s/boot" % cr_workdir
+ hdddir = "%s/boot.%d" % (cr_workdir, part.lineno)
install_cmd = "install -d %s" % hdddir
exec_cmd(install_cmd)
@@ -65,10 +65,19 @@ class BootimgPartitionPlugin(SourcePlugin):
logger.debug('Kernel dir: %s', bootimg_dir)
- boot_files = get_bitbake_var("IMAGE_BOOT_FILES")
+ boot_files = None
+ for (fmt, id) in (("_uuid-%s", part.uuid), ("_label-%s", part.label), (None, None)):
+ if fmt:
+ var = fmt % id
+ else:
+ var = ""
+
+ boot_files = get_bitbake_var("IMAGE_BOOT_FILES" + var)
+ if boot_files is not None:
+ break
- if not boot_files:
- raise WicError('No boot files defined, IMAGE_BOOT_FILES unset')
+ if boot_files is None:
+ raise WicError('No boot files defined, IMAGE_BOOT_FILES unset for entry #%d' % part.lineno)
logger.debug('Boot files: %s', boot_files)
--
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