build: Introduce building of artifacts
[openwrt/openwrt.git] / include / image.mk
index cdb1e48540c01be749ce0e771fe0a1a9ac2e1ab4..a2b106d909831411c99a725c959c05f1df912ec9 100644 (file)
@@ -8,16 +8,40 @@
 override TARGET_BUILD=
 include $(INCLUDE_DIR)/prereq.mk
 include $(INCLUDE_DIR)/kernel.mk
-include $(INCLUDE_DIR)/host.mk
 include $(INCLUDE_DIR)/version.mk
+include $(INCLUDE_DIR)/image-commands.mk
+
+ifndef IB
+  ifdef CONFIG_TARGET_PER_DEVICE_ROOTFS
+    TARGET_PER_DEVICE_ROOTFS := 1
+  endif
+endif
+
+include $(INCLUDE_DIR)/image-legacy.mk
+include $(INCLUDE_DIR)/feeds.mk
+include $(INCLUDE_DIR)/rootfs.mk
 
 override MAKE:=$(_SINGLE)$(SUBMAKE)
 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
 
+target_params = $(subst +,$(space),$*)
+param_get = $(patsubst $(1)=%,%,$(filter $(1)=%,$(2)))
+param_get_default = $(firstword $(call param_get,$(1),$(2)) $(3))
+param_mangle = $(subst $(space),_,$(strip $(1)))
+param_unmangle = $(subst _,$(space),$(1))
+
+mkfs_packages_id = $(shell echo $(sort $(1)) | mkhash md5 | head -c 8)
+mkfs_target_dir = $(if $(call param_get,pkg,$(1)),$(KDIR)/target-dir-$(call param_get,pkg,$(1)),$(TARGET_DIR))
+
 KDIR=$(KERNEL_BUILD_DIR)
-DTS_DIR:=$(LINUX_DIR)/arch/$(ARCH)/boot/dts/
+KDIR_TMP=$(KDIR)/tmp
+DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
+
+IMG_PREFIX_EXTRA:=$(if $(EXTRA_IMAGE_NAME),$(call sanitize,$(EXTRA_IMAGE_NAME))-)
+IMG_PREFIX_VERNUM:=$(if $(CONFIG_VERSION_FILENAMES),$(call sanitize,$(VERSION_NUMBER))-)
+IMG_PREFIX_VERCODE:=$(if $(CONFIG_VERSION_CODE_FILENAMES),$(call sanitize,$(VERSION_CODE))-)
 
-IMG_PREFIX:=openwrt-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
+IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(IMG_PREFIX_VERNUM)$(IMG_PREFIX_VERCODE)$(IMG_PREFIX_EXTRA)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
 
 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
 
@@ -53,9 +77,6 @@ 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 $(LINUX_KARCH)
@@ -70,9 +91,8 @@ fs-types-$(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-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
 fs-subtypes-$(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)
 
@@ -84,9 +104,7 @@ define add_jffs2_mark
        echo -ne '\xde\xad\xc0\xde' >> $(1)
 endef
 
-define toupper
-$(shell echo $(1) | tr '[:lower:]' '[:upper:]')
-endef
+PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
 
 define split_args
 $(foreach data, \
@@ -116,36 +134,65 @@ 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) $(5)
+               -n '$(call toupper,$(ARCH)) $(VERSION_DIST) Linux-$(LINUX_VERSION)' -d $(4) $(5)
 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) \
-               -A $(ARCH) -v $(LINUX_VERSION)
+               -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
+               -c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config@1") \
+               -A $(LINUX_KARCH) -v $(LINUX_VERSION)
        PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 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))
+ifdef CONFIG_TARGET_IMAGES_GZIP
+  define Image/Gzip
+       rm -f $(1).gz
+       gzip -9n $(1)
+  endef
+endif
+
+# $(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$(DTS_DIR)/include \
+               -I$(LINUX_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-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 '/^.+$$$$/'
+       $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
+               $(2) \
+               -e $(patsubst %k,%KiB,$(1)) \
+               -o $@ -d $(call mkfs_target_dir,$(3)) \
+               -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
+endef
+
+define Image/mkfs/jffs2/sub
+       $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
+       $(call add_jffs2_mark,$@)
 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),$(JFFS2OPTS))
+  Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
+  Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 
 endef
 
 define Image/mkfs/jffs2-nand/template
   Image/mkfs/jffs2-nand-$(1) = \
        $$(call Image/mkfs/jffs2/sub, \
-               $(word 2,$(subst -, ,$(1))),nand-$(1), \
-                       $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
+               $(word 2,$(subst -, ,$(1))), \
+                       $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 
 endef
 
@@ -153,20 +200,27 @@ $(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)
+       $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
+               -nopad -noappend -root-owned \
+               -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
+               -processors 1 \
+               $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
 endef
 
 # $(1): board name
 # $(2): rootfs type
 # $(3): kernel image
+# $(4): compat string
 ifneq ($(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"
+       mkdir -p "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/"
+       echo "BOARD=$(if $(4),$(4),$(1))" > "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/CONTROL"
+       [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/root"
+       [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/kernel"
        (cd "$(KDIR_TMP)"; $(TAR) cvf \
-               "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1))
+               "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(if $(4),$(4),$(1)) \
+                       $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
+       )
    endef
 
 # $(1) board name
@@ -182,229 +236,340 @@ ifneq ($(CONFIG_NAND_SUPPORT),)
 
 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 $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
+define Image/mkfs/ubifs
+       $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
+               $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
+               $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
+               $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--compr=none) \
+               $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--compr=lzo) \
+               $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--compr=zlib) \
+               $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
+               --squash-uids \
+               -o $@ -d $(call mkfs_target_dir,$(1))
 endef
 
-define Image/mkfs/targz
-       $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
-endef
-
-E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024/$(CONFIG_TARGET_EXT4_BLOCKSIZE))))
+E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 
 define Image/mkfs/ext4
-# generate an ext2 fs
-       $(STAGING_DIR_HOST)/bin/genext2fs -U -B $(CONFIG_TARGET_EXT4_BLOCKSIZE) -b $(E2SIZE) -N $(CONFIG_TARGET_EXT4_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_EXT4_RESERVED_PCT) $(MKFS_DEVTABLE_OPT)
-# convert it to ext4
-       $(STAGING_DIR_HOST)/bin/tune2fs $(if $(CONFIG_TARGET_EXT4_JOURNAL),-j) -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
-# fix it up
-       $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
+       $(STAGING_DIR_HOST)/bin/make_ext4fs \
+               -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
+               $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
+               $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
+               $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
+               $@ $(call mkfs_target_dir,$(1))/
 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
+define Image/Manifest
+       $(call opkg,$(TARGET_DIR_ORIG)) list-installed > \
+               $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 endef
 
-define Image/mkfs/prepare
-       $(call Image/mkfs/prepare/default)
-endef
+ifdef CONFIG_TARGET_ROOTFS_TARGZ
+  define Image/Build/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
+endif
 
+ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
+  define Image/Build/cpiogz
+       ( cd $(TARGET_DIR); find . | cpio -o -H newc -R root:root | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
+  endef
+endif
 
-define Image/Checksum
-       ( cd ${BIN_DIR} ; \
-               $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
-               md5sum --binary > md5sums \
-       )
+mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
+mkfs_packages_add = $(filter-out -%,$(mkfs_packages))
+mkfs_packages_remove = $(patsubst -%,%,$(filter -%,$(mkfs_packages)))
+mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
+
+opkg_target = \
+       $(call opkg,$(mkfs_cur_target_dir)) \
+               -f $(mkfs_cur_target_dir).conf
+
+target-dir-%: FORCE
+       rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
+       $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
+       -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
+       echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
+       $(if $(mkfs_packages_remove), \
+               -$(call opkg,$(mkfs_cur_target_dir)) remove \
+                       $(mkfs_packages_remove))
+       $(if $(call opkg_package_files,$(mkfs_packages_add)), \
+               $(opkg_target) update && \
+               $(opkg_target) install \
+                       $(call opkg_package_files,$(mkfs_packages_add)))
+       -$(CP) -T $(mkfs_cur_target_dir).opkg/ $(mkfs_cur_target_dir)/etc/opkg/
+       rm -rf $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir).conf
+       $(call prepare_rootfs,$(mkfs_cur_target_dir),$(TOPDIR)/files)
+
+$(KDIR)/root.%: kernel_prepare
+       $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
+
+define Device/InitProfile
+  PROFILES := $(PROFILE)
+  DEVICE_TITLE :=
+  DEVICE_PACKAGES :=
+  DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 endef
 
-define BuildImage/mkfs
-  install: mkfs-$(1)
-  .PHONY: mkfs-$(1)
-  mkfs-$(1): mkfs_prepare
-       $(Image/mkfs/$(1))
-  $(KDIR)/root.$(1): mkfs-$(1)
+define Device/Init
+  DEVICE_NAME := $(1)
+  KERNEL:=
+  KERNEL_INITRAMFS = $$(KERNEL)
+  KERNEL_SIZE:=
+  CMDLINE:=
 
-endef
+  IMAGES :=
+  ARTIFACTS :=
+  IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
+  IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
+  KERNEL_PREFIX = $$(IMAGE_PREFIX)
+  KERNEL_SUFFIX := -kernel.bin
+  KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
+  KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
+  KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
+  KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
+  KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
+  KERNEL_INSTALL :=
+  KERNEL_NAME := vmlinux
+  KERNEL_DEPENDS :=
+  KERNEL_SIZE :=
 
-# 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
+  UBOOTENV_IN_UBI :=
+  KERNEL_IN_UBI :=
+  BLOCKSIZE :=
+  PAGESIZE :=
+  SUBPAGESIZE :=
+  VID_HDR_OFFSET :=
+  UBINIZE_OPTS :=
+  UBINIZE_PARTS :=
+  MKUBIFS_OPTS :=
 
-define Build/lzma
-       $(STAGING_DIR_HOST)/bin/lzma e $@ -lc1 -lp2 -pb2 $(1) $@.new
-       @mv $@.new $@
-endef
+  FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 
-define Build/kernel-bin
-       rm -f $@
-       cp $^ $@
-endef
+  DEVICE_DTS :=
+  DEVICE_DTS_CONFIG :=
+  DEVICE_DTS_DIR :=
 
-define Build/patch-cmdline
-       $(STAGING_DIR_HOST)/bin/patch-cmdline $@ '$(CMDLINE)'
-endef
+  BOARD_NAME :=
+  UIMAGE_NAME :=
+  SUPPORTED_DEVICES :=
+  IMAGE_METADATA :=
 
-define Build/append-kernel
-       dd if=$(word 1,$^) $(if $(1),bs=$(1) conv=sync) >> $@
+  FILESYSTEMS := $(TARGET_FILESYSTEMS)
 endef
 
-define Build/append-rootfs
-       dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
-endef
+DEFAULT_DEVICE_VARS := \
+  DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_SIZE KERNEL_INITRAMFS_IMAGE \
+  KERNEL_LOADADDR DEVICE_DTS DEVICE_DTS_CONFIG DEVICE_DTS_DIR BOARD_NAME \
+  CMDLINE UBOOTENV_IN_UBI KERNEL_IN_UBI \
+  BLOCKSIZE PAGESIZE SUBPAGESIZE VID_HDR_OFFSET \
+  UBINIZE_OPTS UIMAGE_NAME UBINIZE_PARTS \
+  SUPPORTED_DEVICES IMAGE_METADATA
 
-define Build/pad-rootfs
-       $(call prepare_generic_squashfs,$@)
-endef
+define Device/ExportVar
+  $(1) : $(2):=$$($(2))
 
-define Build/check-size
-       @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -gt "$$(stat -c%s $@)" ] || { \
-               echo "WARNING: Image file $@ is too big"; \
-               rm -f $@; \
-       }
+endef
+define Device/Export
+  $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
+  $(1) : FILESYSTEM:=$(2)
 endef
 
+ifdef IB
+  DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
+else
+  DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
+endif
 
-define Device/Init
-  PROFILES := $(PROFILE)
-  KERNEL:=
-  KERNEL_INITRAMFS = $$(KERNEL)
-  KERNEL_SIZE:=
-  CMDLINE:=
-
-  IMAGE_PREFIX := $(BIN_DIR)/$(IMG_PREFIX)-$(1)
-  IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
-  KERNEL_PREFIX = $$(if $$(KERNEL_INSTALL),$$(IMAGE_PREFIX),$(KDIR)/$(1))
-  KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
-  KERNEL_SUFFIX := -kernel.bin
-  KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
-  KERNEL_INSTALL :=
-  KERNEL_SIZE :=
+DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 
-  FILESYSTEMS := $(TARGET_FILESYSTEMS)
+define merge_packages
+  $(1) :=
+  $(foreach pkg,$(2),
+    $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
+  )
+endef
 
-  BIN_KERNEL_IMAGE = $$(patsubst $$(KERNEL_PREFIX)%,$$(IMAGE_PREFIX)%,$$(KERNEL_IMAGE))
+define Device/Check/Common
+  _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
+  DEVICE_PACKAGES += $$(call extra_packages,$$(DEVICE_PACKAGES))
+  ifdef TARGET_PER_DEVICE_ROOTFS
+    $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
+    ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
+    PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
+  endif
 endef
 
 define Device/Check
-  _TARGET = $$(if $$(filter $(PROFILE),$$(PROFILES)),install,install-disabled)
+  $(Device/Check/Common)
+  KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
+  _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
+  ifndef IB
+    _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
+  endif
 endef
 
+ifndef IB
 define Device/Build/initramfs
-  $$(_TARGET): $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX)
+  $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
+  $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 
-  $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX): $$(KERNEL_PREFIX)-initramfs$$(KERNEL_SUFFIX)
+  $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
+  $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
        cp $$^ $$@
 
-  $$(KERNEL_PREFIX)-initramfs$$(KERNEL_SUFFIX): $(KDIR)/vmlinux-initramfs
+  $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
        @rm -f $$@
        $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 endef
+endif
+
+define Device/Build/compile
+  $$(_COMPILE_TARGET): $(KDIR)/$(1)
+  $(eval $(call Device/Export,$(KDIR)/$(1)))
+  $(KDIR)/$(1):
+       $$(call concat_cmd,$(COMPILE/$(1)))
 
-define Device/Build/check_size
-       @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -gt "$$(stat -c%s $@)" ] || { \
-               echo "WARNING: Image file $@ is too big"; \
-               rm -f $@; \
-       }
 endef
 
+ifndef IB
+define Device/Build/dtb
+  ifndef BUILD_DTS_$(1)
+  BUILD_DTS_$(1) := 1
+  $(KDIR)/image-$(1).dtb: FORCE
+       $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
+
+  image_prepare: $(KDIR)/image-$(1).dtb
+  endif
+
+endef
+endif
+
 define Device/Build/kernel
-  $$(_TARGET): $$(if $$(KERNEL_INSTALL),$$(BIN_KERNEL_IMAGE))
-  $$(BIN_KERNEL_IMAGE): $$(KERNEL_IMAGE)
+  $$(eval $$(foreach dts,$$(DEVICE_DTS), \
+       $$(call Device/Build/dtb,$$(notdir $$(dts)), \
+               $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)), \
+               $$(dts) \
+       ) \
+  ))
+
+  $(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 $$^ $$@
-  $$(KERNEL_IMAGE): $(KDIR)/vmlinux
+  ifndef IB
+    ifdef CONFIG_IB
+      install: $$(KDIR_KERNEL_IMAGE)
+    endif
+    $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
        @rm -f $$@
        $$(call concat_cmd,$$(KERNEL))
-       $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
+       $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
+  endif
 endef
 
 define Device/Build/image
-  $$(_TARGET): $(call IMAGE_NAME,$(1),$(2))
-  $(call IMAGE_NAME,$(1),$(2)): $$(KERNEL_IMAGE) $(KDIR)/root.$(1)
+  GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
+  $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX)
+  $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
+  ROOTFS/$(1)/$(3) := \
+       $(KDIR)/root.$(1)$$(strip \
+               $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
+       )$$(strip \
+               $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
+       )
+  ifndef IB
+    $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
+  endif
+  $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
        @rm -f $$@
        [ -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)).gz: $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
+       gzip -c -9n $$^ > $$@
+
+  $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
+       cp $$^ $$@
+
+endef
+
+define Device/Build/artifact
+  $$(_TARGET): $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
+  $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1): $$(KDIR_KERNEL_IMAGE)
+       @rm -f $$@
+       $$(call concat_cmd,$(ARTIFACT/$(1)))
+
+  .IGNORE: $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
+
+  $(BIN_DIR)/$(IMAGE_PREFIX)-$(1): $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1)
+       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)))))
+      $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
+
+  $$(eval $$(foreach artifact,$$(ARTIFACTS), \
+    $$(call Device/Build/artifact,$$(artifact))))
+
+endef
+
+define Device/DumpInfo
+Target-Profile: DEVICE_$(1)
+Target-Profile-Name: $(DEVICE_TITLE)
+Target-Profile-Packages: $(DEVICE_PACKAGES)
+Target-Profile-Description:
+$(DEVICE_DESCRIPTION)
+@@
+
+endef
+
+define Device/Dump
+$$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 endef
 
 define Device
+  $(call Device/InitProfile,$(1))
   $(call Device/Init,$(1))
   $(call Device/Default,$(1))
-  $(call Device/Check,$(1))
   $(call Device/$(1),$(1))
-  $(call Device/Build,$(1))
+  $(call Device/Check,$(1))
+  $(call Device/$(if $(DUMP),Dump,Build),$(1))
 
 endef
 
 define BuildImage
 
+  ifneq ($(DUMP),)
+    all: dumpinfo
+    dumpinfo: FORCE
+       @true
+  endif
+
   download:
   prepare:
   compile:
   clean:
+  legacy-images-prepare:
+  legacy-images:
   image_prepare:
 
   ifeq ($(IB),)
-    .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
+    .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
     compile:
                $(call Build/Compile)
 
@@ -412,25 +577,37 @@ define BuildImage
                $(call Build/Clean)
 
     image_prepare: compile
+               mkdir -p $(BIN_DIR) $(KDIR)/tmp
                $(call Image/Prepare)
-  endif
 
-  mkfs_prepare: image_prepare
-       $(call Image/mkfs/prepare)
+    legacy-images-prepare-make: image_prepare
+               $(MAKE) legacy-images-prepare
+
+  else
+    image_prepare:
+               mkdir -p $(BIN_DIR) $(KDIR)/tmp
+  endif
 
-  kernel_prepare: mkfs_prepare
+  kernel_prepare: image_prepare
+       $(call Image/Build/targz)
+       $(call Image/Build/cpiogz)
        $(call Image/BuildKernel)
-       $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/BuildKernel/Initramfs))
+       $(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)))
+  $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
 
-  install: kernel_prepare
+  install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
        $(foreach fs,$(TARGET_FILESYSTEMS),
                $(call Image/Build,$(fs))
        )
-       $(call Image/mkfs/ubifs)
-       $(call Image/Checksum)
+
+  legacy-images-make: install-images
+       $(call Image/mkfs/ubifs/legacy)
+       $(MAKE) legacy-images
+
+  install: install-images
+       $(call Image/Manifest)
 
 endef