aboutsummaryrefslogtreecommitdiffstats
path: root/include/image.mk
diff options
context:
space:
mode:
Diffstat (limited to 'include/image.mk')
-rw-r--r--include/image.mk585
1 files changed, 585 insertions, 0 deletions
diff --git a/include/image.mk b/include/image.mk
new file mode 100644
index 0000000..43980bc
--- /dev/null
+++ b/include/image.mk
@@ -0,0 +1,585 @@
+#
+# Copyright (C) 2006-2010 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+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)$(NO_TRACE_MAKE)
+
+KDIR=$(KERNEL_BUILD_DIR)
+KDIR_TMP=$(KDIR)/tmp
+DTS_DIR:=$(LINUX_DIR)/arch/$(ARCH)/boot/dts/
+
+IMG_PREFIX:=openwrt-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
+
+MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
+
+ifneq ($(CONFIG_BIG_ENDIAN),)
+ JFFS2OPTS := --big-endian --squash-uids -v
+else
+ JFFS2OPTS := --little-endian --squash-uids -v
+endif
+
+ifeq ($(CONFIG_JFFS2_RTIME),y)
+ JFFS2OPTS += -X rtime
+endif
+ifeq ($(CONFIG_JFFS2_ZLIB),y)
+ JFFS2OPTS += -X zlib
+endif
+ifeq ($(CONFIG_JFFS2_LZMA),y)
+ JFFS2OPTS += -X lzma --compression-mode=size
+endif
+ifneq ($(CONFIG_JFFS2_RTIME),y)
+ JFFS2OPTS += -x rtime
+endif
+ifneq ($(CONFIG_JFFS2_ZLIB),y)
+ JFFS2OPTS += -x zlib
+endif
+ifneq ($(CONFIG_JFFS2_LZMA),y)
+ JFFS2OPTS += -x lzma
+endif
+
+JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
+
+SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
+SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
+SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
+SQUASHFSCOMP := gzip
+LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
+ifeq ($(CONFIG_SQUASHFS_LZMA),y)
+ SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
+endif
+ifeq ($(CONFIG_SQUASHFS_XZ),y)
+ ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
+ BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
+ endif
+ SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
+endif
+
+JFFS2_BLOCKSIZE ?= 64k 128k
+
+fs-types-$(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 $(1) | tr '[:lower:]' '[:upper:]')
+endef
+
+define tolower
+$(shell echo $(1) | tr '[:upper:]' '[:lower:]')
+endef
+
+define sanitize
+$(shell echo $(call tolower,$(1)) | sed 's/_/-/g')
+endef
+
+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
+define prepare_generic_squashfs
+ $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
+endef
+
+define Image/BuildKernel/Initramfs
+ $(call Image/Build/Initramfs)
+endef
+
+define Image/BuildKernel/MkuImage
+ mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
+ -n '$(call toupper,$(ARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $(4) $(5)
+endef
+
+define Image/BuildKernel/MkFIT
+ $(TOPDIR)/scripts/mkits.sh \
+ -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
+ $(CPP) -nostdinc -x assembler-with-cpp \
+ -I$(LINUX_DIR)/arch/$(ARCH)/boot/dts \
+ -I$(LINUX_DIR)/arch/$(ARCH)/boot/dts/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
+ $(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 '/^.+$$$$/'
+ $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
+endef
+
+define Image/mkfs/jffs2/sub-raw
+ $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
+endef
+
+define Image/mkfs/jffs2/template
+ Image/mkfs/jffs2-$(1) = $$(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)
+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))
+ 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" \
+ $(4)
+ endef
+
+endif
+
+ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
+ define Image/mkfs/ubifs/generate
+ $(CP) ./ubinize$(1).cfg $(KDIR)
+ ( cd $(KDIR); \
+ $(STAGING_DIR_HOST)/bin/ubinize \
+ $(if $($(PROFILE)_UBI_OPTS), \
+ $(shell echo $($(PROFILE)_UBI_OPTS)), \
+ $(shell echo $(UBI_OPTS)) \
+ ) \
+ -o $(KDIR)/root$(1).ubi \
+ ubinize$(1).cfg \
+ )
+ endef
+
+ define Image/mkfs/ubifs
+
+ ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
+ $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
+ $(if $($(PROFILE)_UBIFS_OPTS), \
+ $(shell echo $($(PROFILE)_UBIFS_OPTS)), \
+ $(shell echo $(UBIFS_OPTS)) \
+ ) \
+ $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
+ $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
+ $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
+ $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
+ $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
+ --squash-uids \
+ -o $(KDIR)/root.ubifs \
+ -d $(TARGET_DIR)
+ endif
+ $(call Image/Build,ubifs)
+
+ ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
+ $(if $(wildcard ./ubinize.cfg),$(call Image/mkfs/ubifs/generate,))
+ $(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
+ endif
+ $(if $(wildcard ./ubinize.cfg),$(call Image/Build,ubi))
+ endef
+endif
+
+define Image/mkfs/cpiogz
+ ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
+endef
+
+define Image/mkfs/targz
+ $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 --sort=name -C $(TARGET_DIR)/ .
+endef
+
+E2SIZE=$(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) \
+ $(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 d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
+ $(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
+ chmod 1777 $(TARGET_DIR)/tmp
+endef
+
+define Image/mkfs/prepare
+ $(call Image/mkfs/prepare/default)
+endef
+
+
+define Image/Checksum
+ ( cd ${BIN_DIR} ; \
+ $(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
+ $(STAGING_DIR_HOST)/bin/lzma e $@ -lc1 -lp2 -pb2 $(1) $@.new
+ @mv $@.new $@
+endef
+
+define Build/gzip
+ gzip -9n -c $@ $(1) > $@.new
+ @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 $(KERNEL_IN_UBI),--kernel $(word 1,$^)) \
+ $(word 2,$^) \
+ $@.tmp \
+ -p $(BLOCKSIZE) -m $(PAGESIZE) -E 5
+ 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_INSTALL :=
+ KERNEL_NAME := vmlinux
+ KERNEL_SIZE :=
+
+ FILESYSTEMS := $(TARGET_FILESYSTEMS)
+endef
+
+define Device/ExportVar
+ $(1) : $(2):=$$($(2))
+
+endef
+define Device/Export
+ $(foreach var,$(DEVICE_VARS) DEVICE_NAME KERNEL KERNEL_INITRAMFS,$(call Device/ExportVar,$(1),$(var)))
+ $(1) : FILESYSTEM:=$(2)
+endef
+
+define Device/Check
+ _TARGET = $$(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)/$$(KERNEL_NAME)-initramfs: image_prepare
+ $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
+ cp $$^ $$@
+
+ $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_NAME)-initramfs
+ @rm -f $$@
+ $$(call concat_cmd,$$(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)
+ @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),$$(image),$(1)))))
+endef
+
+define Device
+ $(call Device/Init,$(1))
+ $(call Device/Default,$(1))
+ $(call Device/Check,$(1))
+ $(call Device/$(1),$(1))
+ $(call Device/Build,$(1))
+
+endef
+
+define BuildImage
+
+ download:
+ prepare:
+ compile:
+ clean:
+ image_prepare:
+
+ ifeq ($(IB),)
+ .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
+ compile:
+ $(call Build/Compile)
+
+ clean:
+ $(call Build/Clean)
+
+ image_prepare: compile
+ mkdir -p $(KDIR)/tmp
+ $(call Image/Prepare)
+ else
+ image_prepare:
+ mkdir -p $(KDIR)/tmp
+ endif
+
+ mkfs_prepare: image_prepare
+ $(call Image/mkfs/prepare)
+
+ kernel_prepare: mkfs_prepare
+ $(call Image/BuildKernel)
+ $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
+ $(call Image/InstallKernel)
+
+ $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
+ $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
+
+ $$(sort $$(_KERNEL_IMAGES)):
+ @touch $$@
+
+ 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