Move all filesystem generation code to fs/

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

26 files changed, 1010 insertions, 0 deletions

diff --git a/fs/Config.in b/fs/Config.in
new file mode 100644
index 000000000..f885c52e7
--- /dev/null
+++ b/fs/Config.in
@@ -0,0 +1,30 @@
+menu "Target filesystem options"
+
+config BR2_ROOTFS_POST_BUILD_SCRIPT
+	string "Custom script to run before packing files"
+	default ""
+	help
+	  Specify a script to be run after the build has finished and before
+	  the BR2 starts packing the files into selected packages.
+
+	  This gives users the oportunity to do board-specific cleanups,
+	  add-ons and the like, so the generated files can be used directly
+	  without further processing.
+
+	  The script is called with the target directory name as first and
+	  only argument. Make sure the exit code of that script is 0,
+	  otherwise make will stop after calling it.
+
+source "fs/cramfs/Config.in"
+source "fs/cloop/Config.in"
+source "fs/ext2/Config.in"
+source "fs/jffs2/Config.in"
+source "fs/ubifs/Config.in"
+source "fs/squashfs/Config.in"
+source "fs/tar/Config.in"
+source "fs/cpio/Config.in"
+source "fs/iso9660/Config.in"
+source "fs/initramfs/Config.in"
+source "fs/romfs/Config.in"
+
+endmenu
diff --git a/fs/cloop/Config.in b/fs/cloop/Config.in
new file mode 100644
index 000000000..3e01067a1
--- /dev/null
+++ b/fs/cloop/Config.in
@@ -0,0 +1,10 @@
+config BR2_TARGET_ROOTFS_CLOOP
+	bool "cloop root filesystem for the target device"
+	help
+	  Build a cloop root filesystem
+
+	  cloop is a Linux kernel module that enables compressed
+	  loopback filesystem support. With it you can mount a
+	  compressed filesystem like a block device and seamlessly
+	  decompress its data while accessing it.  The majority of the
+	  software on an LNX-BBC is accessed in this fashion.
diff --git a/fs/cloop/cloop.mk b/fs/cloop/cloop.mk
new file mode 100644
index 000000000..c1d6abb80
--- /dev/null
+++ b/fs/cloop/cloop.mk
@@ -0,0 +1,13 @@
+#############################################################
+#
+# Build the compressed loop root filesystem image
+#
+#############################################################
+
+ROOTFS_CLOOP_DEPENDENCIES = host-cloop host-cdrkit
+
+define ROOTFS_CLOOP_CMD
+	$(HOST_DIR)/usr/bin/genisoimage -r $(TARGET_DIR) | $(HOST_DIR)/usr/bin/create_compressed_fs - 65536 > $$@
+endef
+
+$(eval $(call ROOTFS_TARGET,cloop))
\ No newline at end of file
diff --git a/fs/common.mk b/fs/common.mk
new file mode 100644
index 000000000..fa6afd94d
--- /dev/null
+++ b/fs/common.mk
@@ -0,0 +1,70 @@
+#
+# Macro that builds the needed Makefile target to create a root
+# filesystem image.
+#
+# The following variable must be defined before calling this macro
+#
+#  ROOTFS_$(FSTYPE)_CMD, the command that generates the root
+#  filesystem image. A single command is allowed. The filename of the
+#  filesystem image that it must generate is $$@.
+#
+# The following variables can optionaly be defined
+#
+#  ROOTFS_$(FSTYPE)_DEPENDENCIES, the list of dependencies needed to
+#  build the root filesystem (usually host tools)
+#
+#  ROOTFS_$(FSTYPE)_PRE_GEN_HOOKS, a list of hooks to call before
+#  generating the filesystem image
+#
+#  ROOTFS_$(FSTYPE)_POST_GEN_HOOKS, a list of hooks to call after
+#  generating the filesystem image
+#
+# In terms of configuration option, this macro assumes that the
+# BR2_TARGET_ROOTFS_$(FSTYPE) config option allows to enable/disable
+# the generation of a filesystem image of a particular type. If
+# configura options BR2_TARGET_ROOTFS_$(FSTYPE)_GZIP,
+# BR2_TARGET_ROOTFS_$(FSTYPE)_BZIP2 or
+# BR2_TARGET_ROOTFS_$(FSTYPE)_LZMA exist and are enabled, then the
+# macro will automatically generate a compressed filesystem image.
+
+FAKEROOT_SCRIPT = $(BUILD_DIR)/_fakeroot.fs
+
+define ROOTFS_TARGET_INTERNAL
+
+$(BINARIES_DIR)/rootfs.$(1): $(ROOTFS_$(2)_DEPENDENCIES) host-fakeroot makedevs $(if $(BR2_TARGET_ROOTFS_$(2)_LZMA),host-lzma)
+	@$(call MESSAGE,"Generating root filesystem image rootfs.$(1)")
+	$(foreach hook,$(ROOTFS_$(2)_PRE_GEN_HOOKS),$(call $(hook))$(sep))
+	rm -f $(FAKEROOT_SCRIPT)
+	touch $(BUILD_DIR)/.fakeroot.00000
+	cat $(BUILD_DIR)/.fakeroot* > $(FAKEROOT_SCRIPT)
+	echo "chown -R 0:0 $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT)
+ifneq ($(TARGET_DEVICE_TABLE),)
+	echo "$(HOST_DIR)/usr/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT)
+endif
+	echo "$(ROOTFS_$(2)_CMD)" >> $(FAKEROOT_SCRIPT)
+	chmod a+x $(FAKEROOT_SCRIPT)
+	$(HOST_DIR)/usr/bin/fakeroot -- $(FAKEROOT_SCRIPT)
+	-@rm -f $(FAKEROOT_SCRIPT)
+	$(foreach hook,$(ROOTFS_$(2)_POST_GEN_HOOKS),$(call $(hook))$(sep))
+ifeq ($$(BR2_TARGET_ROOTFS_$(2)_GZIP),y)
+	gzip -9 -c $$@ > $$@.gz
+endif
+ifeq ($$(BR2_TARGET_ROOTFS_$(2)_BZIP2),y)
+	bzip2 -9 -c $$@ > $$@.bz2
+endif
+ifeq ($$(BR2_TARGET_ROOTFS_$(2)_LZMA),y)
+	$(LZMA) -9 -c $$@ > $$@.lzma
+endif
+
+$(1)-root: $(BINARIES_DIR)/rootfs.$(1)
+
+ifeq ($$(BR2_TARGET_ROOTFS_$(2)),y)
+TARGETS += $(1)-root
+endif
+endef
+
+define ROOTFS_TARGET
+$(call ROOTFS_TARGET_INTERNAL,$(1),$(call UPPERCASE,$(1)))
+endef
+
+include fs/*/*.mk
diff --git a/fs/cpio/Config.in b/fs/cpio/Config.in
new file mode 100644
index 000000000..02fd00d34
--- /dev/null
+++ b/fs/cpio/Config.in
@@ -0,0 +1,40 @@
+config BR2_TARGET_ROOTFS_CPIO
+	bool "cpio the root filesystem"
+	help
+	  Build a cpio archive of the root filesystem
+
+choice
+        prompt "Compression method"
+        default BR2_TARGET_ROOTFS_CPIO_NONE
+        depends on BR2_TARGET_ROOTFS_CPIO
+        help
+          Select compressor for cpio filesystem of the root filesystem
+
+config BR2_TARGET_ROOTFS_CPIO_NONE
+        bool "no compression"
+        help
+         Do not compress the cpio filesystem.
+
+config BR2_TARGET_ROOTFS_CPIO_GZIP
+        bool "gzip"
+        help
+         Do compress the cpio 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_CPIO_BZIP2
+        bool "bzip2"
+        help
+         Do compress the cpio 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_CPIO_LZMA
+        bool "lzma"
+        help
+         Do compress the cpio 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
+
diff --git a/fs/cpio/cpioroot.mk b/fs/cpio/cpioroot.mk
new file mode 100644
index 000000000..ab7d54618
--- /dev/null
+++ b/fs/cpio/cpioroot.mk
@@ -0,0 +1,18 @@
+#############################################################
+#
+# cpio to archive target filesystem
+#
+#############################################################
+
+define ROOTFS_CPIO_INIT_SYMLINK
+	rm -f $(TARGET_DIR)/init
+	ln -s sbin/init $(TARGET_DIR)/init
+endef
+
+ROOTFS_CPIO_PRE_GEN_HOOKS += ROOTFS_CPIO_INIT_SYMLINK
+
+define ROOTFS_CPIO_CMD
+	cd $(TARGET_DIR) && find . | cpio --quiet -o -H newc > $$@
+endef
+
+$(eval $(call ROOTFS_TARGET,cpio))
\ No newline at end of file
diff --git a/fs/cramfs/Config.in b/fs/cramfs/Config.in
new file mode 100644
index 000000000..1a4e32647
--- /dev/null
+++ b/fs/cramfs/Config.in
@@ -0,0 +1,6 @@
+config BR2_TARGET_ROOTFS_CRAMFS
+	bool "cramfs root filesystem"
+	help
+	  Build a cramfs root filesystem
+
+	  http://sourceforge.net/projects/cramfs/
diff --git a/fs/cramfs/cramfs.mk b/fs/cramfs/cramfs.mk
new file mode 100644
index 000000000..ccd316f5d
--- /dev/null
+++ b/fs/cramfs/cramfs.mk
@@ -0,0 +1,22 @@
+#############################################################
+#
+# Build the cramfs root filesystem image
+#
+#############################################################
+ifeq ($(BR2_ENDIAN),"BIG")
+CRAMFS_OPTS=-b
+else
+CRAMFS_OPTS=-l
+endif
+
+ifneq ($(TARGET_DEVICE_TABLE),)
+CRAMFS_OPTS += -D $(TARGET_DEVICE_TABLE)
+endif
+
+define ROOTFS_CRAMFS_CMD
+ $(HOST_DIR)/usr/bin/mkcramfs -q $(CRAMFS_OPTS) $(TARGET_DIR) $$@
+endef
+
+ROOTFS_CRAMFS_DEPENDENCIES = host-cramfs
+
+$(eval $(call ROOTFS_TARGET,cramfs))
\ No newline at end of file
diff --git a/fs/ext2/Config.in b/fs/ext2/Config.in
new file mode 100644
index 000000000..02ec18f40
--- /dev/null
+++ b/fs/ext2/Config.in
@@ -0,0 +1,61 @@
+config BR2_TARGET_ROOTFS_EXT2
+	bool "ext2 root filesystem"
+	default y
+	help
+	  Build an ext2 root filesystem
+
+config BR2_TARGET_ROOTFS_EXT2_BLOCKS
+	int "size in blocks (leave at 0 for auto calculation)"
+	depends on BR2_TARGET_ROOTFS_EXT2
+	default 0
+
+config BR2_TARGET_ROOTFS_EXT2_INODES
+	int "inodes (leave at 0 for auto calculation)"
+	depends on BR2_TARGET_ROOTFS_EXT2
+	default 0
+
+config BR2_TARGET_ROOTFS_EXT2_RESBLKS
+	int "reserved blocks percentage"
+	depends on BR2_TARGET_ROOTFS_EXT2
+	default 0
+
+config BR2_TARGET_ROOTFS_EXT2_SQUASH
+	bool "Make all files be owned by root"
+	depends on  BR2_TARGET_ROOTFS_EXT2
+	default y
+
+choice
+	prompt "Compression method"
+	default BR2_TARGET_ROOTFS_EXT2_NONE
+	depends on BR2_TARGET_ROOTFS_EXT2
+	help
+	  Select compressor for ext2 filesystem of the root filesystem
+
+config BR2_TARGET_ROOTFS_EXT2_NONE
+	bool "no compression"
+	help
+	  Do not compress the ext2 filesystem.
+
+config BR2_TARGET_ROOTFS_EXT2_GZIP
+	bool "gzip"
+	help
+	  Do compress the ext2 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_EXT2_BZIP2
+	bool "bzip2"
+	help
+	  Do compress the ext2 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_EXT2_LZMA
+	bool "lzma"
+	help
+	  Do compress the ext2 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
+
diff --git a/fs/ext2/ext2root.mk b/fs/ext2/ext2root.mk
new file mode 100644
index 000000000..68b3b813c
--- /dev/null
+++ b/fs/ext2/ext2root.mk
@@ -0,0 +1,40 @@
+#############################################################
+#
+# Build the ext2 root filesystem image
+#
+#############################################################
+
+EXT2_OPTS :=
+
+ifeq ($(BR2_TARGET_ROOTFS_EXT2_SQUASH),y)
+EXT2_OPTS += -U
+endif
+
+ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)),0)
+EXT2_OPTS += -b $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)
+endif
+
+ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_INODES)),0)
+EXT2_OPTS += -N $(BR2_TARGET_ROOTFS_EXT2_INODES)
+endif
+
+ifneq ($(strip $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)),)
+EXT2_OPTS += -m $(BR2_TARGET_ROOTFS_EXT2_RESBLKS)
+endif
+
+ROOTFS_EXT2_DEPENDENCIES = host-genext2fs
+
+ifeq ($(strip $(BR2_TARGET_ROOTFS_EXT2_BLOCKS)),0)
+GENEXT2_REALSIZE=$(shell LC_ALL=C du -s -c -k $(TARGET_DIR) | grep total | sed -e "s/total//")
+GENEXT2_ADDTOROOTSIZE=$(shell if [ $(GENEXT2_REALSIZE) -ge 20000 ]; then echo 16384; else echo 2400; fi)
+GENEXT2_SIZE=$(shell expr $(GENEXT2_REALSIZE) + $(GENEXT2_ADDTOROOTSIZE))
+GENEXT2_ADDTOINODESIZE=$(shell find $(TARGET_DIR) | wc -l)
+GENEXT2_INODES=$(shell expr $(GENEXT2_ADDTOINODESIZE) + 400)
+EXT2_OPTS += -b $(GENEXT2_SIZE) -N $(GENEXT2_INODES)
+endif
+
+define ROOTFS_EXT2_CMD
+	$(HOST_DIR)/usr/bin/genext2fs -d $(TARGET_DIR) $(EXT2_OPTS) $$@
+endef
+
+$(eval $(call ROOTFS_TARGET,ext2))
\ No newline at end of file
diff --git a/fs/initramfs/Config.in b/fs/initramfs/Config.in
new file mode 100644
index 000000000..d53982cb9
--- /dev/null
+++ b/fs/initramfs/Config.in
@@ -0,0 +1,15 @@
+config BR2_TARGET_ROOTFS_INITRAMFS
+	bool "initramfs for initial ramdisk of linux kernel"
+	help
+	  Build a file which is usable for the gen_init_cpio tool
+	  at linux kernel build.
+	  This file is normally called initramfs_list and can be
+	  generated with gen_initramfs_list.sh script from the root
+	  directory structure.
+	  The file is then used in the kernel build process to generate
+	  the cpio filesystem for the initial ramdisk. Make sure that
+	  you configure this file in kernel build configuration.
+	  The location in the kernel build configuration menu is
+	  Device Drivers -> Block devices -> Initramfs source file(s).
+	  The configuration variable is CONFIG_INITRAMFS_SOURCE
+
diff --git a/fs/initramfs/gen_initramfs_list.sh b/fs/initramfs/gen_initramfs_list.sh
new file mode 100644
index 000000000..26252b619
--- /dev/null
+++ b/fs/initramfs/gen_initramfs_list.sh
@@ -0,0 +1,203 @@
+#!/bin/sh
+# Copyright (C) Martin Schlemmer <azarah@nosferatu.za.org>
+# Released under the terms of the GNU GPL
+#
+# Generate a newline separated list of entries from the file/directory
+# supplied as an argument.
+#
+# If a file/directory is not supplied then generate a small dummy file.
+#
+# The output is suitable for gen_init_cpio built from usr/gen_init_cpio.c.
+#
+
+default_initramfs() {
+	cat <<-EOF
+		# This is a very simple, default initramfs
+
+		dir /dev 0755 0 0
+		nod /dev/console 0600 0 0 c 5 1
+		dir /root 0700 0 0
+	EOF
+}
+
+filetype() {
+	local argv1="$1"
+
+	# symlink test must come before file test
+	if [ -L "$argv1" ]; then
+		echo "slink"
+	elif [ -f "$argv1" ]; then
+		echo "file"
+	elif [ -d "$argv1" ]; then
+		echo "dir"
+	elif [ -b "$argv1" -o -c "$argv1" ]; then
+		echo "nod"
+	elif [ -p "$argv1" ]; then
+		echo "pipe"
+	elif [ -S "$argv1" ]; then
+		echo "sock"
+	else
+		echo "invalid"
+	fi
+	return 0
+}
+
+print_mtime() {
+	local argv1="$1"
+	local mymtime="0"
+
+	if [ -e "$argv1" ]; then
+		mymtime=$(find "$argv1" -printf "%T@\n" | sort -r | head -n 1)
+	fi
+	
+	echo "# Last modified: $mymtime"
+	echo
+}
+
+parse() {
+	local location="$1"
+	local name=$(echo "$location" | sed -e "s,$srcdir,,")
+	# change '//' into '/'
+	name=$(echo $name | sed -e 's,/[/]*,/,g')
+	local mode="$2"
+	local uid="$3"
+	local gid="$4"
+	local ftype=$(filetype "$location")
+	# remap uid/gid to 0 if necessary
+	[ "x$uid" != "x" ] && [ $uid -eq $root_uid ] && uid=0
+	[ "x$gid" != "x" ] && [ $gid -eq $root_gid ] && gid=0
+	local str="$mode $uid $gid"
+
+	[ "$ftype" = "invalid" ] && return 0
+	[ "$location" = "$srcdir" ] && return 0
+
+	case "$ftype" in
+		"file")
+			str="$ftype $name $location $str"
+			;;
+		"nod")
+			local devtype=
+			local maj=$(LC_ALL=C ls -l "$location" | \
+					awk '{sub(/,/, "", $5); print $5}')
+			local min=$(LC_ALL=C ls -l "$location" | \
+					awk '{print $6}')
+
+			if [ -b "$location" ]; then
+				devtype="b"
+			else
+				devtype="c"
+			fi
+			str="$ftype $name $str $devtype $maj $min"
+			;;
+		"slink")
+			local target=$(LC_ALL=C ls -l "$location" | \
+					awk '{print $11}')
+			str="$ftype $name $target $str"
+			;;
+		*)
+			str="$ftype $name $str"
+			;;
+	esac
+
+	echo "$str"
+
+	return 0
+}
+
+usage() {
+	printf    "Usage:\n"
+	printf    "$0 [ [-u <root_uid>] [-g <root_gid>] [-d | <cpio_source>] ] . . .\n"
+	printf    "\n"
+	printf -- "-u <root_uid>  User ID to map to user ID 0 (root).\n"
+	printf    "               <root_uid> is only meaningful if <cpio_source>\n"
+	printf    "               is a directory.\n"
+	printf -- "-g <root_gid>  Group ID to map to group ID 0 (root).\n"
+	printf    "               <root_gid> is only meaningful if <cpio_source>\n"
+	printf    "               is a directory.\n"
+	printf    "<cpio_source>  File list or directory for cpio archive.\n"
+	printf    "               If <cpio_source> is not provided then a\n"
+	printf    "               a default list will be output.\n"
+	printf -- "-d             Output the default cpio list.  If no <cpio_source>\n"
+	printf    "               is given then the default cpio list will be output.\n"
+	printf    "\n"
+	printf    "All options may be repeated and are interpreted sequentially\n"
+	printf    "and immediately.  -u and -g states are preserved across\n"
+	printf    "<cpio_source> options so an explicit \"-u 0 -g 0\" is required\n"
+	printf    "to reset the root/group mapping.\n"
+}
+
+build_list() {
+	printf "\n#####################\n# $cpio_source\n"
+
+	if [ -f "$cpio_source" ]; then
+		print_mtime "$cpio_source"
+		cat "$cpio_source"
+	elif [ -d "$cpio_source" ]; then
+		srcdir=$(echo "$cpio_source" | sed -e 's://*:/:g;s:/$::')
+		dirlist=$(find "$srcdir" -printf "%p %m %U %G\n" 2>/dev/null)
+
+		# If $dirlist is only one line, then the directory is empty
+		if [  "$(echo "$dirlist" | wc -l)" -gt 1 ]; then
+			print_mtime "$cpio_source"
+		
+			echo "$dirlist" | \
+			while read x; do
+				parse $x
+			done
+		else
+			# Failsafe in case directory is empty
+			default_initramfs
+		fi
+	else
+		echo "  $0: Cannot open '$cpio_source'" >&2
+		exit 1
+	fi
+}
+
+
+root_uid=0
+root_gid=0
+
+while [ $# -gt 0 ]; do
+	arg="$1"
+	shift
+	case "$arg" in
+		"-u")
+			root_uid="$1"
+			shift
+			;;
+		"-g")
+			root_gid="$1"
+			shift
+			;;
+		"-d")
+			default_list="$arg"
+			default_initramfs
+			;;
+		"-h")
+			usage
+			exit 0
+			;;
+		*)
+			case "$arg" in
+				"-"*)
+					printf "ERROR: unknown option \"$arg\"\n" >&2
+					printf "If the filename validly begins with '-', then it must be prefixed\n" >&2
+					printf "by './' so that it won't be interpreted as an option." >&2
+					printf "\n" >&2
+					usage >&2
+					exit 1
+					;;
+				*)
+					cpio_source="$arg"
+					build_list
+					;;
+			esac
+			;;
+	esac
+done
+
+# spit out the default cpio list if a source hasn't been specified
+[ -z "$cpio_source" -a -z "$default_list" ] && default_initramfs
+
+exit 0
diff --git a/fs/initramfs/initramfs.mk b/fs/initramfs/initramfs.mk
new file mode 100644
index 000000000..cf1fcdbae
--- /dev/null
+++ b/fs/initramfs/initramfs.mk
@@ -0,0 +1,18 @@
+#############################################################
+#
+# Make a initramfs_list file to be used by gen_init_cpio
+# gen_init_cpio is part of the 2.6 linux kernels to build an
+# initial ramdisk filesystem based on cpio
+#
+#############################################################
+
+define ROOTFS_INITRAMFS_INIT_SYMLINK
+	rm -f $(TARGET_DIR)/init
+	ln -s sbin/init $(TARGET_DIR)/init
+endef
+
+define ROOTFS_INITRAMFS_CMD
+	$(SHELL) target/initramfs/gen_initramfs_list.sh -u 0 -g 0 $(TARGET_DIR) > $$@
+endef
+
+$(eval $(call ROOTFS_TARGET,initramfs))
\ No newline at end of file
diff --git a/fs/iso9660/Config.in b/fs/iso9660/Config.in
new file mode 100644
index 000000000..ceee52ff9
--- /dev/null
+++ b/fs/iso9660/Config.in
@@ -0,0 +1,16 @@
+config BR2_TARGET_ROOTFS_ISO9660
+	bool "iso image"
+	depends on BR2_i386
+	depends on !BR2_KERNEL_none
+	select BR2_TARGET_ROOTFS_EXT2
+	select BR2_TARGET_GRUB
+	help
+	  Build a bootable iso9660 image
+
+config BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU
+	string "Boot menu.lst file"
+	depends on BR2_TARGET_ROOTFS_ISO9660
+	default "target/iso9660/menu.lst"
+
+comment "iso image requires a Linux kernel to be built"
+	depends on BR2_i386 && BR2_KERNEL_none
diff --git a/fs/iso9660/iso9660.mk b/fs/iso9660/iso9660.mk
new file mode 100644
index 000000000..66e2de20b
--- /dev/null
+++ b/fs/iso9660/iso9660.mk
@@ -0,0 +1,49 @@
+#############################################################
+#
+# Build the iso96600 root filesystem image
+#
+# Cannot be converted to the ROOTFS_TARGET infrastructure, because of
+# the temporary construction in ISO9660_TARGET_DIR.
+#
+#############################################################
+
+ISO9660_TARGET_DIR=$(BUILD_DIR)/iso9660
+ISO9660_BOOT_MENU:=$(call qstrip,$(BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU))
+ISO9660_OPTS:=
+
+ifeq ($(BR2_TARGET_ROOTFS_ISO9660_SQUASH),y)
+ISO9660_OPTS+=-U
+endif
+
+$(BINARIES_DIR)/rootfs.iso9660: host-cdrkit host-fakeroot $(LINUX_KERNEL) $(BINARIES_DIR)/rootfs.ext2 grub
+	@$(call MESSAGE,"Generating root filesystem image rootfs.iso9660")
+	mkdir -p $(ISO9660_TARGET_DIR)
+	mkdir -p $(ISO9660_TARGET_DIR)/boot/grub
+	cp $(GRUB_DIR)/stage2/stage2_eltorito $(ISO9660_TARGET_DIR)/boot/grub/
+	cp $(ISO9660_BOOT_MENU) $(ISO9660_TARGET_DIR)/boot/grub/menu.lst
+	cp $(LINUX_KERNEL) $(ISO9660_TARGET_DIR)/kernel
+	cp $(EXT2_TARGET) $(ISO9660_TARGET_DIR)/initrd
+	# Use fakeroot to pretend all target binaries are owned by root
+	rm -f $(FAKEROOT_SCRIPT)
+	touch $(BUILD_DIR)/.fakeroot.00000
+	cat $(BUILD_DIR)/.fakeroot* > $(FAKEROOT_SCRIPT)
+	echo "chown -R 0:0 $(ISO9660_TARGET_DIR)" >> $(FAKEROOT_SCRIPT)
+	# Use fakeroot so mkisofs believes the previous fakery
+	echo "$(HOST_DIR)/usr/bin/genisoimage -R -b boot/grub/stage2_eltorito -no-emul-boot " \
+		"-boot-load-size 4 -boot-info-table -o $@ $(ISO9660_TARGET_DIR)" \
+		>> $(FAKEROOT_SCRIPT)
+	chmod a+x $(FAKEROOT_SCRIPT)
+	$(HOST_DIR)/usr/bin/fakeroot -- $(FAKEROOT_SCRIPT)
+	-@rm -f $(FAKEROOT_SCRIPT)
+	-@rm -rf $(ISO9660_TARGET_DIR)
+
+iso9660-root: $(BINARIES_DIR)/rootfs.iso9660
+
+#############################################################
+#
+# Toplevel Makefile options
+#
+#############################################################
+ifeq ($(BR2_TARGET_ROOTFS_ISO9660),y)
+TARGETS+=iso9660-root
+endif
diff --git a/fs/iso9660/menu.lst b/fs/iso9660/menu.lst
new file mode 100644
index 000000000..d78caebe1
--- /dev/null
+++ b/fs/iso9660/menu.lst
@@ -0,0 +1,11 @@
+default		0
+timeout		10
+color cyan/blue white/blue
+
+title		Hard Drive (first partition)
+rootnoverify	(hd0)
+chainloader	+1
+
+title		BuildRoot ISO9660 image
+kernel		/kernel
+initrd		/initrd
diff --git a/fs/jffs2/Config.in b/fs/jffs2/Config.in
new file mode 100644
index 000000000..b787ec9d1
--- /dev/null
+++ b/fs/jffs2/Config.in
@@ -0,0 +1,117 @@
+config BR2_TARGET_ROOTFS_JFFS2
+	bool "jffs2 root filesystem"
+	help
+	  Build a jffs2 root filesystem
+
+if BR2_TARGET_ROOTFS_JFFS2
+
+choice
+	prompt "Flash Type"
+	default BR2_TARGET_ROOTFS_JFFS2_FLASH_128
+
+config BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_1056
+	bool "AT45 dataflash with 1056 byte pagesize"
+	select BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+
+config BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_528
+	bool "AT45 dataflash with 528 byte pagesize"
+	select BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+
+config BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_512_16K
+	bool "NAND flash with 512B Page and 16 kB erasesize"
+	select BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+
+config BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_2K_128K
+	bool "NAND flash with 2kB Page and 128 kB erasesize"
+	select BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+
+config BR2_TARGET_ROOTFS_JFFS2_FLASH_128
+	bool "Parallel flash with 4 kB pagesize and 128 kB erase size"
+
+config BR2_TARGET_ROOTFS_JFFS2_FLASH_64
+	bool "Parallel flash with 4 kB pagesize and 64 kB erase size"
+
+config BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+	bool "Select custom page and erase size"
+
+endchoice
+
+config BR2_TARGET_ROOTFS_JFFS2_CUSTOM_PAGESIZE
+	hex "Page Size"
+	depends on BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+	default 0x1000
+	help
+	  Set to pagesize of memory
+
+config BR2_TARGET_ROOTFS_JFFS2_CUSTOM_EBSIZE
+	hex "Erase block size"
+	depends on BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+	default 0x20000
+	help
+	  Set to erase size of memory
+
+config BR2_TARGET_ROOTFS_JFFS2_PAGESIZE
+	hex
+	default 0x420 if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_1056
+	default 0x210 if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_528
+	default 0x200 if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_512_16K
+	default 0x800 if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_2K_128K
+	default 0x1000 if BR2_TARGET_ROOTFS_JFFS2_FLASH_128
+	default 0x1000 if BR2_TARGET_ROOTFS_JFFS2_FLASH_64
+	default $(BR2_TARGET_ROOTFS_JFFS2_CUSTOM_PAGESIZE) if BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+
+config BR2_TARGET_ROOTFS_JFFS2_EBSIZE
+	hex
+	default 0x2100 if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_1056
+	default 0x1080 if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_528
+	default 0x4000 if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_512_16K
+	default 0x20000 if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_2K_128K
+	default 0x20000 if BR2_TARGET_ROOTFS_JFFS2_FLASH_128
+	default 0x10000 if BR2_TARGET_ROOTFS_JFFS2_FLASH_64
+	default $(BR2_TARGET_ROOTFS_JFFS2_CUSTOM_EBSIZE) if BR2_TARGET_ROOTFS_JFFS2_CUSTOM
+
+config BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER
+	bool "Do not use Cleanmarker"
+	default y if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_1056
+	default y if BR2_TARGET_ROOTFS_JFFS2_DATAFLASH_528
+	default y if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_512_16K
+	default y if BR2_TARGET_ROOTFS_JFFS2_NANDFLASH_2K_128K
+	help
+	  Do not use cleanmarkers if using NAND flash or Dataflash where
+	  the pagesize is not a power of 2
+
+config BR2_JFFS2_TARGET_SREC
+	bool "RootFS in SREC file formet"
+
+config BR2_TARGET_ROOTFS_JFFS2_PAD
+	bool "Pad output"
+
+config BR2_TARGET_ROOTFS_JFFS2_PADSIZE
+	hex "Pad output size (0x0 = to end of EB)"
+	depends on BR2_TARGET_ROOTFS_JFFS2_PAD
+	default 0x0
+	help
+	  Set to 0x0 to pad to end of erase block.
+
+choice
+	prompt "Endianess"
+	default BR2_TARGET_ROOTFS_JFFS2_BE if BR2_alpha || BR2_armeb || \
+			BR2_avr32 || BR2_m68k || BR2_mips || \
+			BR2_powerpc || BR2_sh2a_nofpueb || BR2_sh2eb || \
+			BR2_sh3eb || BR2_sh4eb || BR2_sparc || BR2_sparc64
+
+config BR2_TARGET_ROOTFS_JFFS2_LE
+	bool "little-endian"
+
+config BR2_TARGET_ROOTFS_JFFS2_BE
+	bool "big-endian"
+
+endchoice
+
+config BR2_TARGET_ROOTFS_JFFS2_SUMMARY
+	bool "Produce a summarized JFFS2 image"
+	help
+	  A summarised image can be mounted faster if support is
+	  enabled in the kernel (CONFIG_JFFS2_SUMMARY)
+
+endif
diff --git a/fs/jffs2/jffs2root.mk b/fs/jffs2/jffs2root.mk
new file mode 100644
index 000000000..a0a563d18
--- /dev/null
+++ b/fs/jffs2/jffs2root.mk
@@ -0,0 +1,61 @@
+#############################################################
+#
+# Build the jffs2 root filesystem image
+#
+#############################################################
+
+JFFS2_OPTS := -e $(BR2_TARGET_ROOTFS_JFFS2_EBSIZE)
+SUMTOOL_OPTS := $(JFFS2_OPTS)
+
+ifeq ($(BR2_TARGET_ROOTFS_JFFS2_PAD),y)
+ifneq ($(strip $(BR2_TARGET_ROOTFS_JFFS2_PADSIZE)),0x0)
+JFFS2_OPTS += --pad=$(strip $(BR2_TARGET_ROOTFS_JFFS2_PADSIZE))
+else
+JFFS2_OPTS += -p
+endif
+SUMTOOL_OPTS += -p
+endif
+
+ifeq ($(BR2_TARGET_ROOTFS_JFFS2_LE),y)
+JFFS2_OPTS += -l
+SUMTOOL_OPTS += -l
+endif
+
+ifeq ($(BR2_TARGET_ROOTFS_JFFS2_BE),y)
+JFFS2_OPTS += -b
+SUMTOOL_OPTS += -b
+endif
+
+JFFS2_OPTS += -s $(BR2_TARGET_ROOTFS_JFFS2_PAGESIZE)
+ifeq ($(BR2_TARGET_ROOTFS_JFFS2_NOCLEANMARKER),y)
+JFFS2_OPTS += -n
+SUMTOOL_OPTS += -n
+endif
+
+ifneq ($(TARGET_DEVICE_TABLE),)
+JFFS2_OPTS += -D $(TARGET_DEVICE_TABLE)
+endif
+
+ROOTFS_JFFS2_DEPENDENCIES = host-mtd
+
+ifneq ($(BR2_TARGET_ROOTFS_JFFS2_SUMMARY),)
+define ROOTFS_JFFS2_CMD
+	$(MKFS_JFFS2) $(JFFS2_OPTS) -d $(TARGET_DIR) -o $$@.nosummary && \
+	$(SUMTOOL) $(SUMTOOL_OPTS) -i $$@.nosummary -o $$@ && \
+	rm $$@.nosummary
+endef
+else
+define ROOTFS_JFFS2_CMD
+	$(MKFS_JFFS2) $(JFFS2_OPTS) -d $(TARGET_DIR) -o $$@
+endef
+endif
+
+define JFFS2_GEN_SREC
+	$(TARGET_CROSS)objcopy -I binary -O srec --adjust-vma 0xa1000000 $$@ $$@.srec
+endef
+
+ifeq ($(BR2_JFFS2_TARGET_SREC),y)
+ROOTFS_JFFS2_POST_GEN_HOOKS += JFFS2_GEN_SREC
+endif
+
+$(eval $(call ROOTFS_TARGET,jffs2))
\ No newline at end of file
diff --git a/fs/romfs/Config.in b/fs/romfs/Config.in
new file mode 100644
index 000000000..7a8c663dd
--- /dev/null
+++ b/fs/romfs/Config.in
@@ -0,0 +1,5 @@
+config BR2_TARGET_ROOTFS_ROMFS
+	bool "romfs root filesystem"
+	help
+	  Build a romfs image of the root filesystem.
+
diff --git a/fs/romfs/romfs.mk b/fs/romfs/romfs.mk
new file mode 100644
index 000000000..971947880
--- /dev/null
+++ b/fs/romfs/romfs.mk
@@ -0,0 +1,15 @@
+#############################################################
+#
+# Build the romfs root filesystem image
+#
+#############################################################
+
+ROMFS_TARGET=$(IMAGE).romfs
+
+ROOTFS_ROMFS_DEPENDENCIES = host-genromfs
+
+define ROOTFS_ROMFS_CMD
+	$(HOST_DIR)/usr/bin/genromfs -d $(TARGET_DIR) -f $$@
+endef
+
+$(eval $(call ROOTFS_TARGET,romfs))
\ No newline at end of file
diff --git a/fs/squashfs/Config.in b/fs/squashfs/Config.in
new file mode 100644
index 000000000..6cc8fcae0
--- /dev/null
+++ b/fs/squashfs/Config.in
@@ -0,0 +1,4 @@
+config BR2_TARGET_ROOTFS_SQUASHFS
+	bool "squashfs root filesystem"
+	help
+	  Build a squashfs root filesystem
diff --git a/fs/squashfs/squashfsroot.mk b/fs/squashfs/squashfsroot.mk
new file mode 100644
index 000000000..d72388ebf
--- /dev/null
+++ b/fs/squashfs/squashfsroot.mk
@@ -0,0 +1,13 @@
+#############################################################
+#
+# Build the squashfs root filesystem image
+#
+#############################################################
+
+ROOTFS_SQUASHFS_DEPENDENCIES = host-squashfs
+
+define ROOTFS_SQUASHFS_CMD
+	$(HOST_DIR)/usr/bin/mksquashfs $(TARGET_DIR) $$@ -noappend
+endef
+
+$(eval $(call ROOTFS_TARGET,squashfs))
\ No newline at end of file
diff --git a/fs/tar/Config.in b/fs/tar/Config.in
new file mode 100644
index 000000000..0adca795f
--- /dev/null
+++ b/fs/tar/Config.in
@@ -0,0 +1,47 @@
+config BR2_TARGET_ROOTFS_TAR
+	bool "tar the root filesystem"
+	help
+	  Build a tar archive of the root filesystem
+
+choice
+	prompt "Compression method"
+	default BR2_TARGET_ROOTFS_TAR_NONE
+	depends on BR2_TARGET_ROOTFS_TAR
+	help
+	  Select compressor for tar archive of the root filesystem
+
+config BR2_TARGET_ROOTFS_TAR_NONE
+	bool "no compression"
+	help
+	 Do not compress the tarball.
+
+config BR2_TARGET_ROOTFS_TAR_GZIP
+	bool "gzip"
+	help
+	 Do compress the tarball with gzip.
+	 Note that you either have to have gzip installed on your host
+	 or select to build a gzip for your host. See the packages submenu.
+
+config BR2_TARGET_ROOTFS_TAR_BZIP2
+	bool "bzip2"
+	help
+	 Do compress the tarball with bzip2.
+	 Note that you either have to have bzip2 installed on your host
+	 or select to build a bzip2 for your host. See the packages submenu.
+
+config BR2_TARGET_ROOTFS_TAR_LZMA
+	bool "lzma"
+	help
+	 Do compress the tarball with lzma.
+	 Note that you either have to have lzma installed on your host
+	 or select to build a lzma for your host. See the packages submenu.
+
+endchoice
+
+config BR2_TARGET_ROOTFS_TAR_OPTIONS
+	string "other random options to pass to tar"
+	depends on BR2_TARGET_ROOTFS_TAR
+	default ""
+	help
+	  Any other flags you want to pass to tar
+	  Refer to tar --help for details
diff --git a/fs/tar/tarroot.mk b/fs/tar/tarroot.mk
new file mode 100644
index 000000000..4d435cb33
--- /dev/null
+++ b/fs/tar/tarroot.mk
@@ -0,0 +1,13 @@
+#############################################################
+#
+# tar to archive target filesystem
+#
+#############################################################
+
+TAR_OPTS:=$(BR2_TARGET_ROOTFS_TAR_OPTIONS)
+
+define ROOTFS_TAR_CMD
+ tar -c$(TAR_OPTS)f $$@ -C $(TARGET_DIR) .
+endef
+
+$(eval $(call ROOTFS_TARGET,tar))
diff --git a/fs/ubifs/Config.in b/fs/ubifs/Config.in
new file mode 100644
index 000000000..9fa510e75
--- /dev/null
+++ b/fs/ubifs/Config.in
@@ -0,0 +1,88 @@
+config BR2_TARGET_ROOTFS_UBIFS
+	bool "ubifs root filesystem"
+	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
+
+choice
+	prompt "ubifs runtime compression"
+	default BR2_TARGET_ROOTFS_UBIFS_RT_LZO
+	depends on BR2_TARGET_ROOTFS_UBIFS
+	help
+	  Select which compression format to use at run-time within
+	  the ubifs file system.
+
+config BR2_TARGET_ROOTFS_UBIFS_RT_NONE
+	bool "no compression"
+	help
+	  Don't use run-time compression.
+
+config BR2_TARGET_ROOTFS_UBIFS_RT_ZLIB
+	bool "gzip"
+	help
+	  Use zlib compression at run-time.
+
+config BR2_TARGET_ROOTFS_UBIFS_RT_LZO
+	bool "lzo"
+	help
+	  Use lzo compression at run-time.
+
+endchoice
+
+choice
+	prompt "Compression method"
+	default BR2_TARGET_ROOTFS_UBIFS_NONE
+	depends on BR2_TARGET_ROOTFS_UBIFS
+	help
+	  Select which compression format to compress the final image
+	  into.
+
+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
+
diff --git a/fs/ubifs/ubifsroot.mk b/fs/ubifs/ubifsroot.mk
new file mode 100644
index 000000000..0fad23421
--- /dev/null
+++ b/fs/ubifs/ubifsroot.mk
@@ -0,0 +1,25 @@
+#############################################################
+#
+# Build the ubifs root filesystem image
+#
+#############################################################
+
+UBIFS_OPTS := -e $(BR2_TARGET_ROOTFS_UBIFS_LEBSIZE) -c $(BR2_TARGET_ROOTFS_UBIFS_MAXLEBCNT) -m $(BR2_TARGET_ROOTFS_UBIFS_MINIOSIZE)
+
+ifeq ($(BR2_TARGET_ROOTFS_UBIFS_RT_ZLIB),y)
+UBIFS_OPTS += -x zlib
+endif
+ifeq ($(BR2_TARGET_ROOTFS_UBIFS_RT_LZI),y)
+UBIFS_OPTS += -x lzo
+endif
+ifeq ($(BR2_TARGET_ROOTFS_UBIFS_RT_NONE),y)
+UBIFS_OPTS += -x none
+endif
+
+ROOTFS_UBIFS_DEPENDENCIES = host-mtd
+
+define ROOTFS_UBIFS_CMD
+	$(HOST_DIR)/usr/sbin/mkfs.ubifs -d $(TARGET_DIR) $(UBIFS_OPTS) -o $$@
+endef
+
+$(eval $(call ROOTFS_TARGET,ubifs))
\ No newline at end of file