image: fix append-image when building multiple profiles
[openwrt/openwrt.git] / include / image.mk
index ad9535d0189c4618c5c1d85d3bbd643508180a3e..76c527a15eab9453dcae5c36025bc78dc25f3b8d 100644 (file)
@@ -1,9 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0-only
 #
-# Copyright (C) 2006-2010 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
+# Copyright (C) 2006-2020 OpenWrt.org
 
 override TARGET_BUILD=
 include $(INCLUDE_DIR)/prereq.mk
@@ -17,11 +14,8 @@ ifndef IB
   endif
 endif
 
-include $(INCLUDE_DIR)/image-legacy.mk
-
-ifdef TARGET_PER_DEVICE_ROOTFS
-  include $(INCLUDE_DIR)/rootfs.mk
-endif
+include $(INCLUDE_DIR)/feeds.mk
+include $(INCLUDE_DIR)/rootfs.mk
 
 override MAKE:=$(_SINGLE)$(SUBMAKE)
 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
@@ -32,7 +26,7 @@ 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_packages_id = $(shell echo $(sort $(1)) | mkhash md5 | cut -b1-8)
 mkfs_target_dir = $(if $(call param_get,pkg,$(1)),$(KDIR)/target-dir-$(call param_get,pkg,$(1)),$(TARGET_DIR))
 
 KDIR=$(KERNEL_BUILD_DIR)
@@ -44,6 +38,10 @@ IMG_PREFIX_VERNUM:=$(if $(CONFIG_VERSION_FILENAMES),$(call sanitize,$(VERSION_NU
 IMG_PREFIX_VERCODE:=$(if $(CONFIG_VERSION_CODE_FILENAMES),$(call sanitize,$(VERSION_CODE))-)
 
 IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(IMG_PREFIX_VERNUM)$(IMG_PREFIX_VERCODE)$(IMG_PREFIX_EXTRA)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
+IMG_ROOTFS:=$(IMG_PREFIX)-rootfs
+IMG_COMBINED:=$(IMG_PREFIX)-combined
+IMG_PART_SIGNATURE:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | cut -b1-8)
+IMG_PART_DISKGUID:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | sed -E 's/(.{8})(.{4})(.{4})(.{4})(.{10})../\1-\2-\3-\4-\500/')
 
 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
 
@@ -92,7 +90,6 @@ 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-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
 
@@ -106,7 +103,7 @@ define add_jffs2_mark
        echo -ne '\xde\xad\xc0\xde' >> $(1)
 endef
 
-PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
+PROFILE_SANITIZED := $(call tolower,$(subst DEVICE_,,$(subst $(space),-,$(PROFILE))))
 
 define split_args
 $(foreach data, \
@@ -136,12 +133,13 @@ endef
 
 define Image/BuildKernel/MkuImage
        mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
-               -n '$(call toupper,$(ARCH)) LEDE Linux-$(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) $(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
@@ -153,6 +151,32 @@ ifdef CONFIG_TARGET_IMAGES_GZIP
   endef
 endif
 
+
+# Disable noisy checks by default as in upstream
+DTC_FLAGS += \
+  -Wno-unit_address_vs_reg \
+  -Wno-simple_bus_reg \
+  -Wno-unit_address_format \
+  -Wno-pci_bridge \
+  -Wno-pci_device_bus_num \
+  -Wno-pci_device_reg \
+  -Wno-avoid_unnecessary_addr_size \
+  -Wno-alias_paths \
+  -Wno-graph_child_address \
+  -Wno-graph_port \
+  -Wno-unique_unit_address
+
+define Image/pad-to
+       dd if=$(1) of=$(1).new bs=$(2) conv=sync
+       mv $(1).new $(1)
+endef
+
+ROOTFS_PARTSIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
+
+define Image/pad-root-squashfs
+       $(call Image/pad-to,$(KDIR)/root.squashfs,$(if $(1),$(1),$(ROOTFS_PARTSIZE)))
+endef
+
 # $(1) source dts file
 # $(2) target dtb file
 # $(3) extra CPP flags
@@ -161,10 +185,12 @@ 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)) $(4) \
+               -i$(dir $(1)) $(DTC_FLAGS) $(4) \
+       $(if $(CONFIG_HAS_DT_OVERLAY_SUPPORT),-@) \
                -o $(2) $(2).tmp
        $(RM) $(2).tmp
 endef
@@ -199,41 +225,28 @@ 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
+define Image/mkfs/squashfs-common
        $(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 "$(KDIR_TMP)/sysupgrade-$(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)-$(2)-sysupgrade.tar" sysupgrade-$(if $(4),$(4),$(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
+               -processors 1
+endef
 
+ifeq ($(CONFIG_TARGET_ROOTFS_SECURITY_LABELS),y)
+define Image/mkfs/squashfs
+       echo ". $(call mkfs_target_dir,$(1))/etc/selinux/config" > $@.fakeroot-script
+       echo "$(STAGING_DIR_HOST)/bin/setfiles -r" \
+            "$(call mkfs_target_dir,$(1))" \
+            "$(call mkfs_target_dir,$(1))/etc/selinux/\$${SELINUXTYPE}/contexts/files/file_contexts " \
+            "$(call mkfs_target_dir,$(1))" >> $@.fakeroot-script
+       echo "$(Image/mkfs/squashfs-common)" >> $@.fakeroot-script
+       chmod +x $@.fakeroot-script
+       $(FAKEROOT) "$@.fakeroot-script"
+endef
+else
+define Image/mkfs/squashfs
+       $(call Image/mkfs/squashfs-common,$(1))
+endef
 endif
 
 define Image/mkfs/ubifs
@@ -248,11 +261,9 @@ define Image/mkfs/ubifs
                -o $@ -d $(call mkfs_target_dir,$(1))
 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) \
+       $(STAGING_DIR_HOST)/bin/make_ext4fs -L rootfs \
+               -l $(ROOTFS_PARTSIZE) -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)) \
@@ -260,16 +271,30 @@ define Image/mkfs/ext4
 endef
 
 define Image/Manifest
-       $(STAGING_DIR_HOST)/bin/opkg \
-               --offline-root $(TARGET_DIR) \
-               --add-arch all:100 \
-               --add-arch $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD)):200 list-installed > \
+       $(call opkg,$(TARGET_DIR_ORIG)) list-installed > \
                $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 endef
 
+define Image/gzip-ext4-padded-squashfs
+
+  define Image/Build/squashfs
+    $(call Image/pad-root-squashfs)
+  endef
+
+  ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
+    define Image/Build/gzip/ext4
+      $(call Image/Build/gzip,ext4)
+    endef
+    define Image/Build/gzip/squashfs
+      $(call Image/Build/gzip,squashfs)
+    endef
+  endif
+
+endef
+
 ifdef CONFIG_TARGET_ROOTFS_TARGZ
   define Image/Build/targz
-       $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
+       $(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --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
@@ -277,13 +302,13 @@ endif
 
 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
   define Image/Build/cpiogz
-       ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
+       ( cd $(TARGET_DIR); find . | $(STAGING_DIR_HOST)/bin/cpio -o -H newc -R 0:0 | gzip -9n >$(BIN_DIR)/$(IMG_ROOTFS).cpio.gz )
   endef
 endif
 
 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_packages_add = $(foreach pkg,$(filter-out -%,$(mkfs_packages)),$(pkg)$(call GetABISuffix,$(pkg)))
+mkfs_packages_remove = $(foreach pkg,$(patsubst -%,%,$(filter -%,$(mkfs_packages))),$(pkg)$(call GetABISuffix,$(pkg)))
 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 
 opkg_target = \
@@ -302,16 +327,31 @@ target-dir-%: FORCE
                $(opkg_target) update && \
                $(opkg_target) install \
                        $(call opkg_package_files,$(mkfs_packages_add)))
-       $(call prepare_rootfs,$(mkfs_cur_target_dir))
-       -mv $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir)/etc/opkg
-       rm -f $(mkfs_cur_target_dir).conf
+       -$(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_TITLE = $$(DEVICE_VENDOR) $$(DEVICE_MODEL)$$(if $$(DEVICE_VARIANT), $$(DEVICE_VARIANT))
+  DEVICE_ALT0_TITLE = $$(DEVICE_ALT0_VENDOR) $$(DEVICE_ALT0_MODEL)$$(if $$(DEVICE_ALT0_VARIANT), $$(DEVICE_ALT0_VARIANT))
+  DEVICE_ALT1_TITLE = $$(DEVICE_ALT1_VENDOR) $$(DEVICE_ALT1_MODEL)$$(if $$(DEVICE_ALT1_VARIANT), $$(DEVICE_ALT1_VARIANT))
+  DEVICE_ALT2_TITLE = $$(DEVICE_ALT2_VENDOR) $$(DEVICE_ALT2_MODEL)$$(if $$(DEVICE_ALT2_VARIANT), $$(DEVICE_ALT2_VARIANT))
+  DEVICE_VENDOR :=
+  DEVICE_MODEL :=
+  DEVICE_VARIANT :=
+  DEVICE_ALT0_VENDOR :=
+  DEVICE_ALT0_MODEL :=
+  DEVICE_ALT0_VARIANT :=
+  DEVICE_ALT1_VENDOR :=
+  DEVICE_ALT1_MODEL :=
+  DEVICE_ALT1_VARIANT :=
+  DEVICE_ALT2_VENDOR :=
+  DEVICE_ALT2_MODEL :=
+  DEVICE_ALT2_VARIANT :=
   DEVICE_PACKAGES :=
   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 endef
@@ -320,17 +360,18 @@ define Device/Init
   DEVICE_NAME := $(1)
   KERNEL:=
   KERNEL_INITRAMFS = $$(KERNEL)
-  KERNEL_SIZE:=
   CMDLINE:=
 
   IMAGES :=
-  IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
-  IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
-  KERNEL_PREFIX = $$(IMAGE_PREFIX)
+  ARTIFACTS :=
+  DEVICE_IMG_PREFIX := $(IMG_PREFIX)-$(1)
+  DEVICE_IMG_NAME = $$(DEVICE_IMG_PREFIX)-$$(1)-$$(2)
+  IMAGE_SIZE :=
+  KERNEL_PREFIX = $$(DEVICE_IMG_PREFIX)
   KERNEL_SUFFIX := -kernel.bin
   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
-  KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
+  KERNEL_INITRAMFS_PREFIX = $$(DEVICE_IMG_PREFIX)-initramfs
   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
   KERNEL_INSTALL :=
@@ -351,23 +392,41 @@ define Device/Init
   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 
   DEVICE_DTS :=
+  DEVICE_DTS_CONFIG :=
   DEVICE_DTS_DIR :=
+  DEVICE_DTS_OVERLAY :=
+  DEVICE_FDT_NUM :=
+  SOC :=
 
   BOARD_NAME :=
+  UIMAGE_MAGIC :=
   UIMAGE_NAME :=
-  SUPPORTED_DEVICES :=
+  DEVICE_COMPAT_VERSION := 1.0
+  DEVICE_COMPAT_MESSAGE :=
+  SUPPORTED_DEVICES := $(subst _,$(comma),$(1))
   IMAGE_METADATA :=
 
   FILESYSTEMS := $(TARGET_FILESYSTEMS)
+
+  UBOOT_PATH :=  $(STAGING_DIR_IMAGE)/uboot-$(1)
+
+  BROKEN :=
+  DEFAULT :=
 endef
 
 DEFAULT_DEVICE_VARS := \
-  DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_SIZE KERNEL_INITRAMFS_IMAGE \
-  KERNEL_LOADADDR DEVICE_DTS 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
+  DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE KERNEL_SIZE \
+  CMDLINE UBOOTENV_IN_UBI KERNEL_IN_UBI BLOCKSIZE PAGESIZE SUBPAGESIZE \
+  VID_HDR_OFFSET UBINIZE_OPTS UBINIZE_PARTS MKUBIFS_OPTS DEVICE_DTS \
+  DEVICE_DTS_CONFIG DEVICE_DTS_DIR DEVICE_DTS_OVERLAY DEVICE_FDT_NUM \
+  DEVICE_IMG_PREFIX SOC BOARD_NAME UIMAGE_MAGIC UIMAGE_NAME \
+  SUPPORTED_DEVICES IMAGE_METADATA KERNEL_ENTRY KERNEL_LOADADDR \
+  UBOOT_PATH IMAGE_SIZE \
+  DEVICE_COMPAT_VERSION DEVICE_COMPAT_MESSAGE \
+  DEVICE_VENDOR DEVICE_MODEL DEVICE_VARIANT \
+  DEVICE_ALT0_VENDOR DEVICE_ALT0_MODEL DEVICE_ALT0_VARIANT \
+  DEVICE_ALT1_VENDOR DEVICE_ALT1_MODEL DEVICE_ALT1_VARIANT \
+  DEVICE_ALT2_VENDOR DEVICE_ALT2_MODEL DEVICE_ALT2_VARIANT
 
 define Device/ExportVar
   $(1) : $(2):=$$($(2))
@@ -395,6 +454,7 @@ endef
 
 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,$$(_PACKAGES)))
@@ -414,15 +474,49 @@ endef
 ifndef IB
 define Device/Build/initramfs
   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
-  $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
+  $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE) \
+         $$(if $$(CONFIG_JSON_OVERVIEW_IMAGE_INFO), $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,))
 
   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
+  $(1)-images: $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
        cp $$^ $$@
 
   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
        @rm -f $$@
        $$(call concat_cmd,$$(KERNEL_INITRAMFS))
+
+  $(call Device/Export,$(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,$(1))
+
+  $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json: $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
+       @mkdir -p $$(shell dirname $$@)
+       DEVICE_ID="$(1)" \
+       BIN_DIR="$(BIN_DIR)" \
+       SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
+       DEVICE_IMG_NAME="$$(notdir $$^)" \
+       IMAGE_TYPE="kernel" \
+       IMAGE_FILESYSTEM="initramfs" \
+       DEVICE_IMG_PREFIX="$$(DEVICE_IMG_PREFIX)" \
+       DEVICE_VENDOR="$$(DEVICE_VENDOR)" \
+       DEVICE_MODEL="$$(DEVICE_MODEL)" \
+       DEVICE_VARIANT="$$(DEVICE_VARIANT)" \
+       DEVICE_ALT0_VENDOR="$$(DEVICE_ALT0_VENDOR)" \
+       DEVICE_ALT0_MODEL="$$(DEVICE_ALT0_MODEL)" \
+       DEVICE_ALT0_VARIANT="$$(DEVICE_ALT0_VARIANT)" \
+       DEVICE_ALT1_VENDOR="$$(DEVICE_ALT1_VENDOR)" \
+       DEVICE_ALT1_MODEL="$$(DEVICE_ALT1_MODEL)" \
+       DEVICE_ALT1_VARIANT="$$(DEVICE_ALT1_VARIANT)" \
+       DEVICE_ALT2_VENDOR="$$(DEVICE_ALT2_VENDOR)" \
+       DEVICE_ALT2_MODEL="$$(DEVICE_ALT2_MODEL)" \
+       DEVICE_ALT2_VARIANT="$$(DEVICE_ALT2_VARIANT)" \
+       DEVICE_TITLE="$$(DEVICE_TITLE)" \
+       DEVICE_PACKAGES="$$(DEVICE_PACKAGES)" \
+       TARGET="$(BOARD)" \
+       SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
+       VERSION_NUMBER="$(VERSION_NUMBER)" \
+       VERSION_CODE="$(VERSION_CODE)" \
+       SUPPORTED_DEVICES="$$(SUPPORTED_DEVICES)" \
+       $(TOPDIR)/scripts/json_add_image_info.py $$@
 endef
 endif
 
@@ -434,7 +528,27 @@ define Device/Build/compile
 
 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,$$@)
+
+  image_prepare: $(KDIR)/image-$(1).dtb
+  endif
+
+endef
+endif
+
 define Device/Build/kernel
+  $$(eval $$(foreach dts,$$(DEVICE_DTS) $$(DEVICE_DTS_OVERLAY), \
+       $$(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))
@@ -453,8 +567,12 @@ endef
 
 define Device/Build/image
   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)))
+  $$(_TARGET): $(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
+         $(BUILD_DIR)/json_info_files/$(call DEVICE_IMG_NAME,$(1),$(2)).json, \
+         $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX))
+  $(eval $(call Device/Export,$(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2)),$(1)))
+  $(3)-images: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX)
+
   ROOTFS/$(1)/$(3) := \
        $(KDIR)/root.$(1)$$(strip \
                $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
@@ -464,17 +582,61 @@ define Device/Build/image
   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))
+  $(KDIR)/tmp/$(call DEVICE_IMG_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))
+  .IGNORE: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))
 
-  $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
+  $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2))
        gzip -c -9n $$^ > $$@
 
-  $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
+  $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2)): $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2))
+       cp $$^ $$@
+
+  $(BUILD_DIR)/json_info_files/$(call DEVICE_IMG_NAME,$(1),$(2)).json: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX)
+       @mkdir -p $$(shell dirname $$@)
+       DEVICE_ID="$(DEVICE_NAME)" \
+       BIN_DIR="$(BIN_DIR)" \
+       SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
+       DEVICE_IMG_NAME="$(DEVICE_IMG_NAME)" \
+       IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
+       IMAGE_FILESYSTEM="$(1)" \
+       DEVICE_IMG_PREFIX="$(DEVICE_IMG_PREFIX)" \
+       DEVICE_VENDOR="$(DEVICE_VENDOR)" \
+       DEVICE_MODEL="$(DEVICE_MODEL)" \
+       DEVICE_VARIANT="$(DEVICE_VARIANT)" \
+       DEVICE_ALT0_VENDOR="$(DEVICE_ALT0_VENDOR)" \
+       DEVICE_ALT0_MODEL="$(DEVICE_ALT0_MODEL)" \
+       DEVICE_ALT0_VARIANT="$(DEVICE_ALT0_VARIANT)" \
+       DEVICE_ALT1_VENDOR="$(DEVICE_ALT1_VENDOR)" \
+       DEVICE_ALT1_MODEL="$(DEVICE_ALT1_MODEL)" \
+       DEVICE_ALT1_VARIANT="$(DEVICE_ALT1_VARIANT)" \
+       DEVICE_ALT2_VENDOR="$(DEVICE_ALT2_VENDOR)" \
+       DEVICE_ALT2_MODEL="$(DEVICE_ALT2_MODEL)" \
+       DEVICE_ALT2_VARIANT="$(DEVICE_ALT2_VARIANT)" \
+       DEVICE_TITLE="$(DEVICE_TITLE)" \
+       DEVICE_PACKAGES="$(DEVICE_PACKAGES)" \
+       TARGET="$(BOARD)" \
+       SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
+       VERSION_NUMBER="$(VERSION_NUMBER)" \
+       VERSION_CODE="$(VERSION_CODE)" \
+       SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
+       $(TOPDIR)/scripts/json_add_image_info.py $$@
+
+endef
+
+define Device/Build/artifact
+  $$(_TARGET): $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1)
+  $(eval $(call Device/Export,$(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1)))
+  $(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1): $$(KDIR_KERNEL_IMAGE) $(2)-images
+       @rm -f $$@
+       $$(call concat_cmd,$(ARTIFACT/$(1)))
+
+  .IGNORE: $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1)
+
+  $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1): $(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1)
        cp $$^ $$@
 
 endef
@@ -489,19 +651,44 @@ define Device/Build
   $$(eval $$(foreach image,$$(IMAGES), \
     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
+
+  $$(eval $$(foreach artifact,$$(ARTIFACTS), \
+    $$(call Device/Build/artifact,$$(artifact),$(1))))
+
 endef
 
 define Device/DumpInfo
 Target-Profile: DEVICE_$(1)
-Target-Profile-Name: $(DEVICE_TITLE)
+Target-Profile-Name: $(DEVICE_DISPLAY)
 Target-Profile-Packages: $(DEVICE_PACKAGES)
+Target-Profile-hasImageMetadata: $(if $(foreach image,$(IMAGES),$(findstring append-metadata,$(IMAGE/$(image)))),1,0)
+Target-Profile-SupportedDevices: $(SUPPORTED_DEVICES)
+$(if $(BROKEN),Target-Profile-Broken: $(BROKEN))
+$(if $(DEFAULT),Target-Profile-Default: $(DEFAULT))
 Target-Profile-Description:
 $(DEVICE_DESCRIPTION)
+$(if $(strip $(DEVICE_ALT0_TITLE)),Alternative device titles:
+- $(DEVICE_ALT0_TITLE))
+$(if $(strip $(DEVICE_ALT1_TITLE)),- $(DEVICE_ALT1_TITLE))
+$(if $(strip $(DEVICE_ALT2_TITLE)),- $(DEVICE_ALT2_TITLE))
 @@
 
 endef
 
 define Device/Dump
+ifneq ($$(strip $$(DEVICE_ALT0_TITLE)),)
+DEVICE_DISPLAY = $$(DEVICE_ALT0_TITLE) ($$(DEVICE_TITLE))
+$$(info $$(call Device/DumpInfo,$(1)))
+endif
+ifneq ($$(strip $$(DEVICE_ALT1_TITLE)),)
+DEVICE_DISPLAY = $$(DEVICE_ALT1_TITLE) ($$(DEVICE_TITLE))
+$$(info $$(call Device/DumpInfo,$(1)))
+endif
+ifneq ($$(strip $$(DEVICE_ALT2_TITLE)),)
+DEVICE_DISPLAY = $$(DEVICE_ALT2_TITLE) ($$(DEVICE_TITLE))
+$$(info $$(call Device/DumpInfo,$(1)))
+endif
+DEVICE_DISPLAY = $$(DEVICE_TITLE)
 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 endef
 
@@ -527,8 +714,6 @@ define BuildImage
   prepare:
   compile:
   clean:
-  legacy-images-prepare:
-  legacy-images:
   image_prepare:
 
   ifeq ($(IB),)
@@ -541,11 +726,9 @@ define BuildImage
 
     image_prepare: compile
                mkdir -p $(BIN_DIR) $(KDIR)/tmp
+               rm -rf $(BUILD_DIR)/json_info_files
                $(call Image/Prepare)
 
-    legacy-images-prepare-make: image_prepare
-               $(MAKE) legacy-images-prepare
-
   else
     image_prepare:
                mkdir -p $(BIN_DIR) $(KDIR)/tmp
@@ -559,17 +742,12 @@ define BuildImage
        $(call Image/InstallKernel)
 
   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
-  $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
 
   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))
        )
 
-  legacy-images-make: install-images
-       $(call Image/mkfs/ubifs/legacy)
-       $(MAKE) legacy-images
-
   install: install-images
        $(call Image/Manifest)