[ELDK] [PATCH] RFSB: add support for ubi image creation for ubifs images
Bastian Ruppert
Bastian.Ruppert at Sewerin.de
Mon Apr 11 12:40:27 CEST 2011
An ubifs image can be placed in an ubi image. This image can
be flashed with the ubiformat utility.
Signed-off-by: Bastian Ruppert <Bastian.Ruppert at Sewerin.de>
---
Config.in | 43 +++++++++++++++++++++++++++++++++++++++++++
Makefile | 26 ++++++++++++++++++++++++--
2 files changed, 67 insertions(+), 2 deletions(-)
diff --git a/Config.in b/Config.in
index 03dd3ff..3cea227 100644
--- a/Config.in
+++ b/Config.in
@@ -204,6 +204,49 @@ config UBIFS_MAX_LEB_COUNT
there is no default value. More information under:
http://www.linux-mtd.infradead.org/faq/ubifs.html#L_max_leb_cnt
+menu "UBI Image"
+ depends IMAGE_UBIFS
+
+config IMAGE_UBI
+ depends IMAGE_UBIFS
+ bool "Create UBI image"
+ default n
+ help
+ Create a UBI image containing the UBIFS image. This image can
+ be flashed to a mtd device with the ubiformat tool.
+
+config UBI_CFG_VOL_NAME
+ depends IMAGE_UBI
+ string "vol_name"
+ default "rootfs"
+ help
+ This will be used for vol_name in the cfg file
+
+config UBI_ERASE_BLOCK_SIZE
+ depends IMAGE_UBI
+ int "ubi Eraseblock size in KiB"
+ default 0
+ help
+ You must set this value because it is device dependent. Set
+ the Eraseblock size (peb-size) as reported by the mtdinfo utility.
+
+config UBI_SUB_PAGE_SIZE
+ depends IMAGE_UBI
+ int "Sub page size"
+ default 0
+ help
+ You must set this value because it is device dependent. Set
+ the Sub page size as reported by the mtdinfo utility.
+
+config UBI_UBINIZE_CMD
+ depends IMAGE_UBI
+ string "ubinize command"
+ default "ubinize"
+ help
+ Set the ubinize tool to use.
+
+endmenu
+
config IMAGE_CRAMFS
bool "Create CRamFS image"
default n
diff --git a/Makefile b/Makefile
index 7c40960..0b8fd4a 100644
--- a/Makefile
+++ b/Makefile
@@ -38,6 +38,8 @@ CRAMFS_FILE := $(BUILD)/images/image.cramfs
EXT2_FILE := $(BUILD)/images/image.ext2
JFFS2_FILE := $(BUILD)/images/image.jffs2
UBIFS_FILE := $(BUILD)/images/image.ubifs
+UBI_FILE := $(BUILD)/images/image.ubi
+UBI_CFG_FILE := $(BUILD)/images/ubinize_rootfs.cfg
URAMDISK_FILE := $(BUILD)/images/uRamdisk
SQFS_DEV_TAB := $(BUILD)/images/squashfs_devices.tab
SQUASHFS_FILE := $(BUILD)/images/image.squashfs
@@ -97,7 +99,7 @@ ifeq ($(strip $$($(2))),y)
endif
endef
image_targets =
-IMAGE_CONFIGS = EXT2 URAMDISK JFFS2 CRAMFS SQUASHFS UBIFS
+IMAGE_CONFIGS = EXT2 URAMDISK JFFS2 CRAMFS SQUASHFS UBIFS UBI
$(foreach img,$(IMAGE_CONFIGS),$(eval $(call ADD_CONDITIONAL,image_targets,IMAGE_$(img),$$($(img)_FILE))))
$(info Current target list is $(image_targets))
@@ -295,7 +297,7 @@ pkgs_clean: $(TARGETS_CLEAN)
############################################################
# Image targets below
############################################################
-.PHONY: image_cramfs image_ext2 image_jffs2 image_ubifs image_uramdisk
+.PHONY: image_cramfs image_ext2 image_jffs2 image_ubifs image_ubi image_uramdisk
image_ext2: $(EXT2_FILE)
@@ -328,6 +330,26 @@ $(UBIFS_FILE): $(STAMP_ROOTFS)
--max-leb-cnt=$(UBIFS_MAX_LEB_COUNT) -o $(UBIFS_FILE); \
fi
+image_ubi: $(UBI_FILE) $(UBIFS_FILE)
+
+$(UBI_FILE): $(STAMP_ROOTFS)
+ @echo Generating UBI image
+ @if [[ $(UBI_SUB_PAGE_SIZE) == 0 || $(UBI_ERASE_BLOCK_SIZE) == 0 ]];then \
+ echo "ERROR: Not all UBI parameters set. Fix your configuration and try again" >&2 ; \
+ else \
+ echo "[ubifs]" > $(UBI_CFG_FILE); \
+ echo "mode=ubi" >> $(UBI_CFG_FILE); \
+ echo "image="$(UBIFS_FILE) >> $(UBI_CFG_FILE); \
+ echo "vol_id=0" >> $(UBI_CFG_FILE); \
+ echo "vol_size="$(IMAGE_SIZE)"KiB" >> $(UBI_CFG_FILE); \
+ echo "vol_type=dynamic" >> $(UBI_CFG_FILE);\
+ echo "vol_name="$(UBI_CFG_VOL_NAME) >> $(UBI_CFG_FILE);\
+ echo "vol_flags=autoresize" >> $(UBI_CFG_FILE);\
+ $(UBI_UBINIZE_CMD) --output=$(UBI_FILE) --min-io-size=$(UBIFS_MIN_IO_SIZE) \
+ --peb-size=$(UBI_ERASE_BLOCK_SIZE)KiB --sub-page-size=$(UBI_SUB_PAGE_SIZE) \
+ $(UBI_CFG_FILE);\
+ fi
+
image_uramdisk: $(URAMDISK_FILE)
$(URAMDISK_FILE): $(EXT2_FILE)
--
1.6.3.3
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