X-Git-Url: https://git.archive.openwrt.org/?p=openwrt.git;a=blobdiff_plain;f=include%2Fimage.mk;h=bc383e6ba81c783518fe4bb24308e8942b90e64d;hp=53919052e9f0bcf777bb140746df51c2e4cf3655;hb=df4bba11a95f6d42446aa6168a50fe46fff02576;hpb=9b7976eebcc7b5d7f168f4c322c5456eb9332409

diff --git a/include/image.mk b/include/image.mk
index 53919052e9..bc383e6ba8 100644
--- a/include/image.mk
+++ b/include/image.mk
@@ -9,13 +9,21 @@ override TARGET_BUILD=
 include $(INCLUDE_DIR)/prereq.mk
 include $(INCLUDE_DIR)/kernel.mk
 include $(INCLUDE_DIR)/host.mk
+include $(INCLUDE_DIR)/version.mk
+
+override MAKE:=$(_SINGLE)$(SUBMAKE)
+override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
 
-.NOTPARALLEL:
-override MAKEFLAGS=
-override MAKE:=$(SUBMAKE)
 KDIR=$(KERNEL_BUILD_DIR)
+KDIR_TMP=$(KDIR)/tmp
+DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
+
+sanitize = $(call tolower,$(subst _,-,$(1)))
+
+DIST_SANITIZED:=$(call sanitize,$(VERSION_DIST))
+EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME))
 
-IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
+IMG_PREFIX:=$(DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(if $(EXTRA_NAME_SANITIZED),$(EXTRA_NAME_SANITIZED)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
 
 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
 
@@ -46,7 +54,7 @@ endif
 
 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
 
-SQUASHFS_BLOCKSIZE := 256k
+SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
 SQUASHFSCOMP := gzip
@@ -63,12 +71,42 @@ endif
 
 JFFS2_BLOCKSIZE ?= 64k 128k
 
+fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
+fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
+fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
+fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
+fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
+fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
+fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
+fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
+
+TARGET_FILESYSTEMS := $(fs-types-y)
+
+FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
+FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
+FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
+
 define add_jffs2_mark
 	echo -ne '\xde\xad\xc0\xde' >> $(1)
 endef
 
-define toupper
-$(shell echo $(1) | tr '[:lower:]' '[:upper:]')
+PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
+
+define split_args
+$(foreach data, \
+	$(subst |,$(space),\
+		$(subst $(space),^,$(1))), \
+	$(call $(2),$(strip $(subst ^,$(space),$(data)))))
+endef
+
+define build_cmd
+$(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
+$(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
+
+endef
+
+define concat_cmd
+$(call split_args,$(1),build_cmd)
 endef
 
 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
@@ -76,15 +114,9 @@ define prepare_generic_squashfs
 	$(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 endef
 
-ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
-  define Image/BuildKernel/Initramfs
-	cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs.elf
+define Image/BuildKernel/Initramfs
 	$(call Image/Build/Initramfs)
-  endef
-else
-  define Image/BuildKernel/Initramfs
-  endef
-endif
+endef
 
 define Image/BuildKernel/MkuImage
 	mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
@@ -93,40 +125,83 @@ endef
 
 define Image/BuildKernel/MkFIT
 	$(TOPDIR)/scripts/mkits.sh \
-		-D $(1) -o $(KDIR)/fit-$(1).its -k $(2) -d $(3) -C $(4) -a $(5) -e $(6) \
+		-D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 		-A $(ARCH) -v $(LINUX_VERSION)
 	PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 endef
 
+# $(1) source dts file
+# $(2) target dtb file
+# $(3) extra CPP flags
+# $(4) extra DTC flags
+define Image/BuildDTB
+	$(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
+		-I$(DTS_DIR) \
+		-I$(DTS_DIR)/include \
+		-undef -D__DTS__ $(3) \
+		-o $(2).tmp $(1)
+	$(LINUX_DIR)/scripts/dtc/dtc -O dtb \
+		-i$(dir $(1)) $(4) \
+		-o $(2) $(2).tmp
+	$(RM) $(2).tmp
+endef
+
 define Image/mkfs/jffs2/sub
-		# FIXME: removing this line will cause strange behaviour in the foreach loop below
 		$(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) --pad -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
-		$(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 		$(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
-		$(call Image/Build,jffs2-$(2))
 endef
 
-ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
-    define Image/mkfs/jffs2
-		$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ),$(SZ),$(JFFS2OPTS)))
-    endef
-endif
+define Image/mkfs/jffs2/sub-raw
+		$(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
+endef
 
-ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2_NAND),)
-    define Image/mkfs/jffs2_nand
-		$(foreach SZ,$(NAND_BLOCKSIZE), $(call Image/mkfs/jffs2/sub, \
-			$(word 2,$(subst :, ,$(SZ))),nand-$(subst :,-,$(SZ)), \
-			$(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst :, ,$(SZ)))) \
-		)
-    endef
-endif
+define Image/mkfs/jffs2/template
+  Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
+  Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
+
+endef
+
+define Image/mkfs/jffs2-nand/template
+  Image/mkfs/jffs2-nand-$(1) = \
+	$$(call Image/mkfs/jffs2/sub, \
+		$(word 2,$(subst -, ,$(1))),nand-$(1), \
+			$(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
+
+endef
+
+$(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
+$(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
+
+define Image/mkfs/squashfs
+	$(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1) $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
+endef
+
+# $(1): board name
+# $(2): rootfs type
+# $(3): kernel image
+ifneq ($(CONFIG_NAND_SUPPORT),)
+   define Image/Build/SysupgradeNAND
+	mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
+	echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
+	[ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
+	[ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
+	(cd "$(KDIR_TMP)"; $(TAR) cvf \
+		"$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1) \
+			$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
+	)
+   endef
+
+# $(1) board name
+# $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
+# $(3) rootfstype (e.g. squashfs or ubifs)
+# $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
+   define Image/Build/UbinizeImage
+	sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
+		"$(KDIR)/root.$(3)" \
+		"$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
+		$(4)
+   endef
 
-ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
-    define Image/mkfs/squashfs
-		@mkdir -p $(TARGET_DIR)/overlay
-		$(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1)
-		$(call Image/Build,squashfs)
-    endef
 endif
 
 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
@@ -163,53 +238,41 @@ ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 	$(call Image/Build,ubifs)
 
         ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
-		$(call Image/mkfs/ubifs/generate,)
+		$(if $(wildcard ./ubinize.cfg),$(call Image/mkfs/ubifs/generate,))
 		$(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
         endif
-	$(call Image/Build,ubi)
+	$(if $(wildcard ./ubinize.cfg),$(call Image/Build,ubi))
     endef
 endif
 
-ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
-  define Image/mkfs/cpiogz
-		( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
-  endef
-endif
-
-ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
-  define Image/mkfs/targz
-		# Preserve permissions (-p) when building as non-root user
-		$(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
-  endef
-endif
+define Image/mkfs/cpiogz
+	( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
+endef
 
-ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
-  E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
-
-  define Image/mkfs/ext4
-# generate an ext2 fs
-	$(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_ROOTFS_RESERVED_PCT) $(MKFS_DEVTABLE_OPT)
-# convert it to ext4
-	$(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
-# fix it up
-	$(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
-	$(call Image/Build,ext4)
-  endef
-endif
+define Image/mkfs/targz
+	$(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
+		$(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
+		-C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
+endef
 
-ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
-  define Image/mkfs/iso
-		$(call Image/Build,iso)
-  endef
-endif
+E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 
+define Image/mkfs/ext4
+	$(STAGING_DIR_HOST)/bin/make_ext4fs \
+		-l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
+		-i $(CONFIG_TARGET_EXT4_MAXINODE) \
+		-m $(CONFIG_TARGET_EXT4_RESERVED_PCT) \
+		$(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
+		$(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
+		$(KDIR)/root.ext4 $(TARGET_DIR)/
+endef
 
 define Image/mkfs/prepare/default
 	# Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
-	- $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
-	- $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
+	- $(FIND) $(TARGET_DIR) -type f -not -perm /0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
+	- $(FIND) $(TARGET_DIR) -type f -perm /0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 	- $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
-	$(INSTALL_DIR) $(TARGET_DIR)/tmp
+	$(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
 	chmod 1777 $(TARGET_DIR)/tmp
 endef
 
@@ -220,65 +283,321 @@ endef
 
 define Image/Checksum
 	( cd ${BIN_DIR} ; \
-		$(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
-		md5sum --binary > md5sums \
+		$(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs $1 > $2 \
 	)
 endef
 
+define BuildImage/mkfs
+  install: mkfs-$(1)
+  .PHONY: mkfs-$(1)
+  mkfs-$(1): kernel_prepare
+	$(Image/mkfs/$(1))
+	$(call Build/mkfs/default,$(1))
+	$(call Build/mkfs/$(1),$(1))
+  $(KDIR)/root.$(1): mkfs-$(1)
+
+endef
+
+# Build commands that can be called from Device/* templates
+define Build/uImage
+	mkimage -A $(LINUX_KARCH) \
+		-O linux -T kernel \
+		-C $(1) -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
+		-n '$(call toupper,$(LINUX_KARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $@ $@.new
+	@mv $@.new $@
+endef
+
+define Build/netgear-chk
+	$(STAGING_DIR_HOST)/bin/mkchkimg \
+		-o $@.new \
+		-k $@ \
+		-b $(NETGEAR_BOARD_ID) \
+		-r $(NETGEAR_REGION)
+	mv $@.new $@
+endef
+
+define Build/netgear-dni
+	$(STAGING_DIR_HOST)/bin/mkdniimg \
+		-B $(NETGEAR_BOARD_ID) -v OpenWrt.$(REVISION) \
+		$(if $(NETGEAR_HW_ID),-H $(NETGEAR_HW_ID)) \
+		-r "$(1)" \
+		-i $@ -o $@.new
+	mv $@.new $@
+endef
+
+define Build/fit
+	$(TOPDIR)/scripts/mkits.sh \
+		-D $(DEVICE_NAME) -o $@.its -k $@ \
+		$(if $(word 2,$(1)),-d $(word 2,$(1))) -C $(word 1,$(1)) \
+		-a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
+		-A $(ARCH) -v $(LINUX_VERSION)
+	PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
+	@mv $@.new $@
+endef
+
+define Build/lzma
+	$(call Build/lzma-no-dict,-lc1 -lp2 -pb2 $(1))
+endef
+
+define Build/lzma-no-dict
+	$(STAGING_DIR_HOST)/bin/lzma e $@ $(1) $@.new
+	@mv $@.new $@
+endef
+
+define Build/gzip
+	gzip -9n -c $@ $(1) > $@.new
+	@mv $@.new $@
+endef
+
+define Build/jffs2
+	rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 && \
+		mkdir -p $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$$(dirname $(1)) && \
+		cp $@ $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$(1) && \
+		$(STAGING_DIR_HOST)/bin/mkfs.jffs2 --pad \
+			$(if $(CONFIG_BIG_ENDIAN),--big-endian,--little-endian) \
+			--squash-uids -v -e $(patsubst %k,%KiB,$(BLOCKSIZE)) \
+			-o $@.new \
+			-d $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 \
+			2>&1 1>/dev/null | awk '/^.+$$$$/' && \
+		$(STAGING_DIR_HOST)/bin/padjffs2 $@.new -J $(patsubst %k,,$(BLOCKSIZE))
+	-rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/
+	@mv $@.new $@
+endef
+
+define Build/kernel-bin
+	rm -f $@
+	cp $< $@
+endef
+
+define Build/patch-cmdline
+	$(STAGING_DIR_HOST)/bin/patch-cmdline $@ '$(CMDLINE)'
+endef
+
+define Build/append-kernel
+	dd if=$(word 1,$^) $(if $(1),bs=$(1) conv=sync) >> $@
+endef
+
+define Build/append-rootfs
+	dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
+endef
+
+define Build/append-ubi
+	sh $(TOPDIR)/scripts/ubinize-image.sh \
+		$(if $(UBOOTENV_IN_UBI),--uboot-env) \
+		$(if $(KERNEL_IN_UBI),--kernel $(word 1,$^)) \
+		$(word 2,$^) \
+		$@.tmp \
+		-p $(BLOCKSIZE) -m $(PAGESIZE) -E 5 \
+		$(if $(SUBPAGESIZE),-s $(SUBPAGESIZE))
+	cat $@.tmp >> $@
+	rm $@.tmp
+endef
+
+define Build/pad-to
+	dd if=$@ of=$@.new bs=$(1) conv=sync
+	mv $@.new $@
+endef
+
+define Build/pad-rootfs
+	$(call prepare_generic_squashfs,$@ $(1))
+endef
+
+define Build/pad-offset
+	let \
+		size="$$(stat -c%s $@)" \
+		pad="$(word 1, $(1))" \
+		offset="$(word 2, $(1))" \
+		pad="(pad - ((size + offset) % pad)) % pad" \
+		newsize='size + pad'; \
+		dd if=$@ of=$@.new bs=$$newsize count=1 conv=sync
+	mv $@.new $@
+endef
+
+define Build/check-size
+	@[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
+		echo "WARNING: Image file $@ is too big" >&2; \
+		rm -f $@; \
+	}
+endef
+
+define Build/combined-image
+	-sh $(TOPDIR)/scripts/combined-image.sh \
+		"$(word 1,$^)" \
+		"$@" \
+		"$@.new"
+	@mv $@.new $@
+endef
+
+define Build/sysupgrade-nand
+	sh $(TOPDIR)/scripts/sysupgrade-nand.sh \
+		--board $(if $(BOARD_NAME),$(BOARD_NAME),$(DEVICE_NAME)) \
+		--kernel $(word 1,$^) \
+		--rootfs $(word 2,$^) \
+		$@
+endef
+
+define Device/Init
+  PROFILES := $(PROFILE)
+  DEVICE_NAME := $(1)
+  KERNEL:=
+  KERNEL_INITRAMFS = $$(KERNEL)
+  KERNEL_SIZE:=
+  CMDLINE:=
+
+  IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
+  IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
+  KERNEL_PREFIX = $(1)
+  KERNEL_SUFFIX := -kernel.bin
+  KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
+  KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
+  KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX)
+  KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
+  KERNEL_INSTALL :=
+  KERNEL_NAME := vmlinux
+  KERNEL_DEPENDS :=
+  KERNEL_SIZE :=
+
+  FILESYSTEMS := $(TARGET_FILESYSTEMS)
+endef
+
+define Device/ExportVar
+  $(1) : $(2):=$$($(2))
+
+endef
+define Device/Export
+  $(foreach var,$(DEVICE_VARS) DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE,$(call Device/ExportVar,$(1),$(var)))
+  $(1) : FILESYSTEM:=$(2)
+endef
+
+define Device/Check
+  _TARGET = $$(if $$(filter $(PROFILE),$$(PROFILES)),install,install-disabled)
+  _COMPILE_TARGET = $$(if $(if $(IB),,$(CONFIG_IB)$$(filter $(PROFILE),$$(PROFILES))),compile,compile-disabled)
+endef
+
+ifndef IB
+define Device/Build/initramfs
+  $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
+  $$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
+
+  $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
+  $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
+	cp $$^ $$@
+
+  $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
+	@rm -f $$@
+	$$(call concat_cmd,$$(KERNEL_INITRAMFS))
+endef
+endif
+
+define Device/Build/check_size
+	@[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
+		echo "WARNING: Image file $@ is too big" >&2; \
+		rm -f $@; \
+	}
+endef
+
+define Device/Build/compile
+  $$(_COMPILE_TARGET): $(KDIR)/$(1)
+  $(eval $(call Device/Export,$(KDIR)/$(1)))
+  $(KDIR)/$(1):
+	$$(call concat_cmd,$(COMPILE/$(1)))
+
+endef
+
+define Device/Build/kernel
+  _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME)
+  $(KDIR)/$$(KERNEL_NAME):: image_prepare
+  $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
+  $(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1))
+  $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE)
+	cp $$^ $$@
+  ifndef IB
+    ifdef CONFIG_IB
+      install: $(KDIR)/$$(KERNEL_IMAGE)
+    endif
+    $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
+	@rm -f $$@
+	$$(call concat_cmd,$$(KERNEL))
+	$$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
+  endif
+endef
+
+define Device/Build/image
+  $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
+  $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
+  $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1)
+	@rm -f $$@
+	[ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
+	$$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
+
+  .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
+  $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
+	cp $$^ $$@
+
+endef
+
+define Device/Build
+  $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
+  $(call Device/Build/kernel,$(1))
+
+  $$(eval $$(foreach compile,$$(COMPILE), \
+    $$(call Device/Build/compile,$$(compile),$(1))))
+
+  $$(eval $$(foreach image,$$(IMAGES), \
+    $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
+      $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
+endef
+
+define Device
+  $(call Device/Init,$(1))
+  $(call Device/Default,$(1))
+  $(call Device/Check,$(1))
+  $(call Device/$(1),$(1))
+  $(call Device/Build,$(1))
+
+endef
 
 define BuildImage
 
   download:
   prepare:
+  compile:
+  clean:
+  image_prepare:
 
   ifeq ($(IB),)
-    compile: compile-targets FORCE
-		$(call Build/Compile)
-  else
+    .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
     compile:
-  endif
+		$(call Build/Compile)
 
-  ifeq ($(IB),)
-    install: compile install-targets FORCE
+    clean:
+		$(call Build/Clean)
+
+    image_prepare: compile
+		mkdir -p $(KDIR)/tmp
 		$(call Image/Prepare)
-		$(call Image/mkfs/prepare)
-		$(call Image/BuildKernel)
-		$(call Image/BuildKernel/Initramfs)
-		$(call Image/InstallKernel)
-		$(call Image/mkfs/cpiogz)
-		$(call Image/mkfs/targz)
-		$(call Image/mkfs/ext4)
-		$(call Image/mkfs/iso)
-		$(call Image/mkfs/jffs2)
-		$(call Image/mkfs/jffs2_nand)
-		$(call Image/mkfs/squashfs)
-		$(call Image/mkfs/ubifs)
-		$(call Image/Checksum)
   else
-    install: compile install-targets
-		$(call Image/BuildKernel)
-		$(call Image/BuildKernel/Initramfs)
-		$(call Image/InstallKernel)
-		$(call Image/mkfs/cpiogz)
-		$(call Image/mkfs/targz)
-		$(call Image/mkfs/ext4)
-		$(call Image/mkfs/iso)
-		$(call Image/mkfs/jffs2)
-		$(call Image/mkfs/jffs2_nand)
-		$(call Image/mkfs/squashfs)
-		$(call Image/mkfs/ubifs)
-		$(call Image/Checksum)
+    image_prepare:
+		mkdir -p $(KDIR)/tmp
   endif
 
-  ifeq ($(IB),)
-    clean: clean-targets
-		$(call Build/Clean)
-  else
-    clean:
-  endif
+  mkfs_prepare: image_prepare
+	$(call Image/mkfs/prepare)
+
+  kernel_prepare: mkfs_prepare
+	$(call Image/BuildKernel)
+	$(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
+	$(call Image/InstallKernel)
 
-  compile-targets:
-  install-targets:
-  clean-targets:
+  $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
+  $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
+
+  install: kernel_prepare
+	$(foreach fs,$(TARGET_FILESYSTEMS),
+		$(call Image/Build,$(fs))
+	)
+	$(call Image/mkfs/ubifs)
+	$(call Image/Checksum,md5sum --binary,md5sums)
+	$(call Image/Checksum,openssl dgst -sha256,sha256sums)
 
 endef