From df43e6a89080bd4d3a9496dee9085eed7035a68f Mon Sep 17 00:00:00 2001
From: Hamish Moffatt <hamish@cloud.net.au>
Date: Fri, 4 Apr 2008 04:25:18 +0000
Subject: [PATCH] Add ubifs target

---
 target/Config.in          |   1 +
 target/ubifs/Config.in    | 103 ++++++++++++++++++++++++++++
 target/ubifs/ubifsroot.mk | 139 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 243 insertions(+)
 create mode 100644 target/ubifs/Config.in
 create mode 100644 target/ubifs/ubifsroot.mk

diff --git a/target/Config.in b/target/Config.in
index 385d7ffb34..0ea3861a70 100644
--- a/target/Config.in
+++ b/target/Config.in
@@ -6,6 +6,7 @@ source "target/cramfs/Config.in"
 source "target/cloop/Config.in"
 source "target/ext2/Config.in"
 source "target/jffs2/Config.in"
+source "target/ubifs/Config.in"
 source "target/squashfs/Config.in"
 source "target/tar/Config.in"
 source "target/cpio/Config.in"
diff --git a/target/ubifs/Config.in b/target/ubifs/Config.in
new file mode 100644
index 0000000000..9037539401
--- /dev/null
+++ b/target/ubifs/Config.in
@@ -0,0 +1,103 @@
+config BR2_TARGET_ROOTFS_UBIFS
+	bool "ubifs root filesystem"
+	default n
+	select BR2_HOST_FAKEROOT
+	help
+	  Build a ubifs root filesystem
+
+config BR2_TARGET_ROOTFS_UBIFS_LEBSIZE
+	hex "UBI logical erase block size"
+	depends on BR2_TARGET_ROOTFS_UBIFS
+	default 0x1f800
+
+config BR2_TARGET_ROOTFS_UBIFS_MINIOSIZE
+	hex "UBI minimum I/O size"
+	depends on BR2_TARGET_ROOTFS_UBIFS
+	default 0x800
+	help
+	  Some comment required here
+
+config BR2_TARGET_ROOTFS_UBIFS_MAXLEBCNT
+	int "Maximum LEB count"
+	depends on BR2_TARGET_ROOTFS_UBIFS
+	default 2048
+	help
+	  Some comment required here
+
+config BR2_TARGET_ROOTFS_UBIFS_SQUASH
+	bool "Make all files be owned by root"
+	depends on  BR2_TARGET_ROOTFS_UBIFS
+	default y
+
+config BR2_TARGET_ROOTFS_UBIFS_OUTPUT
+	string "Output File"
+	depends on BR2_TARGET_ROOTFS_UBIFS
+	default "$(IMAGE).ubifs"
+
+choice
+	prompt "ubifs runtime compression"
+	default BR2_TARGET_ROOTFS_UBIFS_LZO
+	depends on BR2_TARGET_ROOTFS_UBIFS
+	help
+	  Select compressor for ubifs filesystem of the root filesystem
+
+config BR2_TARGET_ROOTFS_UBIFS_NONE
+	bool "no compression"
+	help
+	  Do not compress the ubifs filesystem.
+
+config BR2_TARGET_ROOTFS_UBIFS_ZLIB
+	bool "gzip"
+	help
+	  Compress the ubifs filesystem with zlib.
+
+config BR2_TARGET_ROOTFS_UBIFS_LZO
+	bool "lzo"
+	help
+	  Compress the ext2 filesystem with lzo.
+
+endchoice
+
+choice
+	prompt "Compression method"
+	default BR2_TARGET_ROOTFS_UBIFS_NONE
+	depends on BR2_TARGET_ROOTFS_UBIFS
+	help
+	  Select compressor for ubifs filesystem of the root filesystem
+
+config BR2_TARGET_ROOTFS_UBIFS_NONE
+	bool "no compression"
+	help
+	  Do not compress the ubifs filesystem.
+
+config BR2_TARGET_ROOTFS_UBIFS_GZIP
+	bool "gzip"
+	help
+	  Do compress the ubifs filesystem with gzip.
+	  Note that you either have to have gzip installed on your host
+	  or select to build a gzip for your host. See the packages submenu.
+
+config BR2_TARGET_ROOTFS_UBIFS_BZIP2
+	bool "bzip2"
+	help
+	  Do compress the ubifs filesystem with bzip2.
+	  Note that you either have to have bzip2 installed on your host
+	  or select to build a bzip2 for your host. See the packages submenu.
+
+config BR2_TARGET_ROOTFS_UBIFS_LZMA
+	bool "lzma"
+	help
+	  Do compress the ubifs filesystem with lzma.
+	  Note that you either have to have lzma installed on your host
+	  or select to build a lzma for your host. See the packages submenu.
+
+endchoice
+
+config BR2_TARGET_ROOTFS_UBIFS_COPYTO
+	string "also copy the image to..."
+	depends on BR2_TARGET_ROOTFS_UBIFS
+	default ""
+	help
+	  Copies the resulting image to a secondary location
+	  like a tftp server's root directory.
+
diff --git a/target/ubifs/ubifsroot.mk b/target/ubifs/ubifsroot.mk
new file mode 100644
index 0000000000..c56fa9bd1e
--- /dev/null
+++ b/target/ubifs/ubifsroot.mk
@@ -0,0 +1,139 @@
+#############################################################
+#
+# mkfs.ubifs to build to target ubifs filesystems
+#
+#############################################################
+MKFS_UBIFS_VERSION=2582f128dad78591bc3adcc87c343c690bb82e61
+MKFS_UBIFS_URL=http://git.infradead.org/users/dedekind/mkfs.ubifs.git?a=snapshot;h=$(MKFS_UBIFS_VERSION);sf=tgz
+MKFS_UBIFS_SOURCE:=mkfs.ubifs-$(MKFS_UBIFS_VERSION).tar.gz
+MKFS_UBIFS_DIR:= $(BUILD_DIR)/mkfs-ubifs-$(MKFS_UBIFS_VERSION)
+MKFS_UBIFS_CAT:=$(ZCAT)
+MKFS_UBIFS_NAME:=mkfs.ubifs
+
+$(DL_DIR)/$(MKFS_UBIFS_SOURCE):
+	$(WGET) -O $(DL_DIR)/$(MKFS_UBIFS_SOURCE) "$(MKFS_UBIFS_URL)"
+
+$(MKFS_UBIFS_DIR)/.unpacked: $(DL_DIR)/$(MKFS_UBIFS_SOURCE)
+	$(ZCAT) $(DL_DIR)/$(MKFS_UBIFS_SOURCE) | tar -C $(BUILD_DIR) -xvf -
+	mv $(BUILD_DIR)/$(MKFS_UBIFS_NAME) $(MKFS_UBIFS_DIR)
+	toolchain/patch-kernel.sh $(MKFS_UBIFS_DIR) target/ubifs/ mkfs-ubifs-\*.patch
+	touch $@
+
+$(MKFS_UBIFS_DIR)/mkfs.ubifs: $(MKFS_UBIFS_DIR)/.unpacked
+	$(MAKE) -C $(MKFS_UBIFS_DIR)
+	touch -c $@
+
+mkfs.ubifs-dirclean:
+	rm -rf $(MKFS_UBIFS_DIR)
+
+mkfs.ubifs: $(MKFS_UBIFS_DIR)/mkfs.ubifs
+
+#############################################################
+#
+# Build the ubifs root filesystem image
+#
+#############################################################
+
+UBIFS_OPTS := -e $(BR2_TARGET_ROOTFS_UBIFS_LEBSIZE) -c $(BR2_TARGET_ROOTFS_UBIFS_MAXLEBCNT) -m $(BR2_TARGET_ROOTFS_UBIFS_MINIOSIZE)
+
+UBIFS_BASE := $(subst ",,$(BR2_TARGET_ROOTFS_UBIFS_OUTPUT))
+#")
+
+ifeq ($(BR2_TARGET_ROOTFS_UBIFS_ZLIB),y)
+UBIFS_OPTS += -x zlib
+endif
+ifeq ($(BR2_TARGET_ROOTFS_UBIFS_LZI),y)
+UBIFS_OPTS += -x lzo
+endif
+ifeq ($(BR2_TARGET_ROOTFS_UBIFS_NONE),y)
+UBIFS_OPTS += -x none
+endif
+
+UBIFS_ROOTFS_COMPRESSOR:=
+UBIFS_ROOTFS_COMPRESSOR_EXT:=
+UBIFS_ROOTFS_COMPRESSOR_PREREQ:=
+ifeq ($(BR2_TARGET_ROOTFS_UBIFS_GZIP),y)
+UBIFS_ROOTFS_COMPRESSOR:=gzip -9 -c
+UBIFS_ROOTFS_COMPRESSOR_EXT:=gz
+#UBIFS_ROOTFS_COMPRESSOR_PREREQ:= gzip-host
+endif
+ifeq ($(BR2_TARGET_ROOTFS_UBIFS_BZIP2),y)
+UBIFS_ROOTFS_COMPRESSOR:=bzip2 -9 -c
+UBIFS_ROOTFS_COMPRESSOR_EXT:=bz2
+#UBIFS_ROOTFS_COMPRESSOR_PREREQ:= bzip2-host
+endif
+ifeq ($(BR2_TARGET_ROOTFS_UBIFS_LZMA),y)
+UBIFS_ROOTFS_COMPRESSOR:=lzma -9 -c
+UBIFS_ROOTFS_COMPRESSOR_EXT:=lzma
+UBIFS_ROOTFS_COMPRESSOR_PREREQ:= lzma-host
+endif
+
+ifneq ($(UBIFS_ROOTFS_COMPRESSOR),)
+UBIFS_TARGET := $(UBIFS_BASE).$(UBIFS_ROOTFS_COMPRESSOR_EXT)
+else
+UBIFS_TARGET := $(UBIFS_BASE)
+endif
+
+$(UBIFS_BASE): host-fakeroot makedevs mkfs.ubifs
+	-@find $(TARGET_DIR) -type f -perm +111 | xargs $(STRIPCMD) 2>/dev/null || true
+ifneq ($(BR2_HAVE_MANPAGES),y)
+	@rm -rf $(TARGET_DIR)/usr/man
+	@rm -rf $(TARGET_DIR)/usr/share/man
+endif
+ifneq ($(BR2_HAVE_INFOPAGES),y)
+	@rm -rf $(TARGET_DIR)/usr/info
+endif
+	@test -d $(TARGET_DIR)/usr/share && \
+		rmdir -p --ignore-fail-on-non-empty $(TARGET_DIR)/usr/share || \
+		true
+	$(if $(TARGET_LDCONFIG),test -x $(TARGET_LDCONFIG) && $(TARGET_LDCONFIG) -r $(TARGET_DIR) 2>/dev/null)
+	# Use fakeroot to pretend all target binaries are owned by root
+	rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(UBIFS_TARGET))
+	touch $(PROJECT_BUILD_DIR)/.fakeroot.00000
+	cat $(PROJECT_BUILD_DIR)/.fakeroot* > $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(UBIFS_TARGET))
+ifneq ($(BR2_TARGET_ROOTFS_UBIFS_SQUASH),)
+	echo "chown -R 0:0 $(TARGET_DIR)" >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(UBIFS_TARGET))
+endif
+ifneq ($(TARGET_DEVICE_TABLE),)
+	# Use fakeroot to pretend to create all needed device nodes
+	echo "$(STAGING_DIR)/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" \
+		>> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(UBIFS_TARGET))
+endif
+	# Use fakeroot so mkfs.ubifs believes the previous fakery
+	echo "$(MKFS_UBIFS_DIR)/mkfs.ubifs -d $(TARGET_DIR) " \
+		"$(UBIFS_OPTS) -o $(UBIFS_BASE)" >> $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(UBIFS_TARGET))
+	chmod a+x $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(UBIFS_TARGET))
+	$(STAGING_DIR)/usr/bin/fakeroot -- $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(UBIFS_TARGET))
+	-@rm -f $(PROJECT_BUILD_DIR)/_fakeroot.$(notdir $(UBIFS_TARGET))
+
+ifneq ($(UBIFS_ROOTFS_COMPRESSOR),)
+$(UBIFS_BASE).$(UBIFS_ROOTFS_COMPRESSOR_EXT): $(UBIFS_ROOTFS_COMPRESSOR_PREREQ) $(UBIFS_BASE)
+	$(UBIFS_ROOTFS_COMPRESSOR) $(UBIFS_BASE) > $(UBIFS_TARGET)
+endif
+
+UBIFS_COPYTO := $(strip $(subst ",,$(BR2_TARGET_ROOTFS_UBIFS_COPYTO)))
+# "))
+
+ubifsroot: $(UBIFS_TARGET)
+	@ls -l $(UBIFS_TARGET)
+ifneq ($(UBIFS_COPYTO),)
+	@cp -f $(UBIFS_TARGET) $(UBIFS_COPYTO)
+endif
+
+ubifsroot-source: $(DL_DIR)/$(GENUBIFS_SOURCE)
+
+ubifsroot-clean:
+	-$(MAKE) -C $(MKFS_UBIFS_DIR) clean
+
+ubifsroot-dirclean:
+	rm -rf $(MKFS_UBIFS_DIR)
+
+#############################################################
+#
+# Toplevel Makefile options
+#
+#############################################################
+ifeq ($(strip $(BR2_TARGET_ROOTFS_UBIFS)),y)
+TARGETS+=ubifsroot
+endif
+