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fs/ubi: add option to use custom ubinize config file

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By default, the UBI FS target creates a ubinize configuration
file on-the-fly, for a single volume.  Add an option to specify
a custom config file.

E.g., one might want to deploy a system with a volume for the
built ubifs image, a volume for a future upgrade image, and a
volume for user data.

Signed-off-by: Danomi Manchego <danomimanchego123@gmail.com>
Reviewed-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Danomi Manchego 2014-01-28 23:54:00 -05:00 committed by Peter Korsgaard
parent d517415bcd
commit 74a0f963ed
3 changed files with 32 additions and 6 deletions

20
fs/ubifs/Config.in
View File

@ -119,6 +119,26 @@ config BR2_TARGET_ROOTFS_UBI_SUBSIZE
The value provided here is passed to the -s/--sub-page-size
option of ubinize.
config BR2_TARGET_ROOTFS_UBI_USE_CUSTOM_CONFIG
bool "Use custom config file"
help
Select this option to use a custom ubinize configuration file,
rather than the default configuration used by Buildroot (which
defines a single dynamic volume marked as auto-resize). Passing
a custom ubinize configuration file allows you to create several
volumes, specify volume types, etc.
As a convenience, buildroot replaces the string
"BR2_ROOTFS_UBIFS_PATH" with the path to the built ubifs file.
So the volume defined for the root filesystem can specify the
image path as: image=BR2_ROOTFS_UBIFS_PATH
config BR2_TARGET_ROOTFS_UBI_CUSTOM_CONFIG_FILE
string "Configuration file path"
depends on BR2_TARGET_ROOTFS_UBI_USE_CUSTOM_CONFIG
help
Path to the ubinize configuration file.
config BR2_TARGET_ROOTFS_UBI_OPTS
string "Additional ubinize options"
help

17
fs/ubifs/ubi.mk
View File

@ -1,6 +1,6 @@
################################################################################
#
# Embed the ubifs image into an ubi one
# Embed the ubifs image into an ubi image
#
################################################################################
@ -14,12 +14,17 @@ UBI_UBINIZE_OPTS += $(call qstrip,$(BR2_TARGET_ROOTFS_UBI_OPTS))
ROOTFS_UBI_DEPENDENCIES = rootfs-ubifs
ifeq ($(BR2_TARGET_ROOTFS_UBI_USE_CUSTOM_CONFIG),y)
UBINIZE_CONFIG_FILE_PATH = $(call qstrip,$(BR2_TARGET_ROOTFS_UBI_CUSTOM_CONFIG_FILE))
else
UBINIZE_CONFIG_FILE_PATH = fs/ubifs/ubinize.cfg
endif
define ROOTFS_UBI_CMD
cp fs/ubifs/ubinize.cfg . ;\
echo "image=$@fs" \
>> ./ubinize.cfg ;\
$(HOST_DIR)/usr/sbin/ubinize -o $@ $(UBI_UBINIZE_OPTS) ubinize.cfg ;\
rm ubinize.cfg
$(INSTALL) -m 0644 $(UBINIZE_CONFIG_FILE_PATH) $(BUILD_DIR)/ubinize.cfg ;\
$(SED) 's;BR2_ROOTFS_UBIFS_PATH;$@fs;' $(BUILD_DIR)/ubinize.cfg ;\
$(HOST_DIR)/usr/sbin/ubinize -o $@ $(UBI_UBINIZE_OPTS) $(BUILD_DIR)/ubinize.cfg ;\
rm $(BUILD_DIR)/ubinize.cfg
endef
$(eval $(call ROOTFS_TARGET,ubi))

1
fs/ubifs/ubinize.cfg
View File

@ -5,3 +5,4 @@ vol_type=dynamic
vol_name=rootfs
vol_alignment=1
vol_flags=autoresize
image=BR2_ROOTFS_UBIFS_PATH