include/image.mk

   1 #
   2 # Copyright (C) 2006-2010 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 override TARGET_BUILD=
   9 include $(INCLUDE_DIR)/prereq.mk
  10 include $(INCLUDE_DIR)/kernel.mk
  11 include $(INCLUDE_DIR)/version.mk
  12 include $(INCLUDE_DIR)/image-commands.mk
  13
  14 ifndef IB
  15   ifdef CONFIG_TARGET_PER_DEVICE_ROOTFS
  16     TARGET_PER_DEVICE_ROOTFS := 1
  17   endif
  18 endif
  19
  20 include $(INCLUDE_DIR)/image-legacy.mk
  21 include $(INCLUDE_DIR)/feeds.mk
  22 include $(INCLUDE_DIR)/rootfs.mk
  23
  24 override MAKE:=$(_SINGLE)$(SUBMAKE)
  25 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  26
  27 target_params = $(subst +,$(space),$*)
  28 param_get = $(patsubst $(1)=%,%,$(filter $(1)=%,$(2)))
  29 param_get_default = $(firstword $(call param_get,$(1),$(2)) $(3))
  30 param_mangle = $(subst $(space),_,$(strip $(1)))
  31 param_unmangle = $(subst _,$(space),$(1))
  32
  33 mkfs_packages_id = $(shell echo $(sort $(1)) | mkhash md5 | cut -b1-8)
  34 mkfs_target_dir = $(if $(call param_get,pkg,$(1)),$(KDIR)/target-dir-$(call param_get,pkg,$(1)),$(TARGET_DIR))
  35
  36 KDIR=$(KERNEL_BUILD_DIR)
  37 KDIR_TMP=$(KDIR)/tmp
  38 DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
  39
  40 IMG_PREFIX_EXTRA:=$(if $(EXTRA_IMAGE_NAME),$(call sanitize,$(EXTRA_IMAGE_NAME))-)
  41 IMG_PREFIX_VERNUM:=$(if $(CONFIG_VERSION_FILENAMES),$(call sanitize,$(VERSION_NUMBER))-)
  42 IMG_PREFIX_VERCODE:=$(if $(CONFIG_VERSION_CODE_FILENAMES),$(call sanitize,$(VERSION_CODE))-)
  43
  44 IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(IMG_PREFIX_VERNUM)$(IMG_PREFIX_VERCODE)$(IMG_PREFIX_EXTRA)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  45 IMG_ROOTFS:=$(IMG_PREFIX)-rootfs
  46 IMG_COMBINED:=$(IMG_PREFIX)-combined
  47 IMG_PART_SIGNATURE:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | cut -b1-8)
  48 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/')
  49
  50 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  51
  52 ifneq ($(CONFIG_BIG_ENDIAN),)
  53   JFFS2OPTS     :=  --big-endian --squash-uids -v
  54 else
  55   JFFS2OPTS     :=  --little-endian --squash-uids -v
  56 endif
  57
  58 ifeq ($(CONFIG_JFFS2_RTIME),y)
  59   JFFS2OPTS += -X rtime
  60 endif
  61 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  62   JFFS2OPTS += -X zlib
  63 endif
  64 ifeq ($(CONFIG_JFFS2_LZMA),y)
  65   JFFS2OPTS += -X lzma --compression-mode=size
  66 endif
  67 ifneq ($(CONFIG_JFFS2_RTIME),y)
  68   JFFS2OPTS += -x rtime
  69 endif
  70 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  71   JFFS2OPTS += -x zlib
  72 endif
  73 ifneq ($(CONFIG_JFFS2_LZMA),y)
  74   JFFS2OPTS += -x lzma
  75 endif
  76
  77 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  78
  79 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  80 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  81 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  82 SQUASHFSCOMP := gzip
  83 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  84 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  85   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  86     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  87   endif
  88   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  89 endif
  90
  91 JFFS2_BLOCKSIZE ?= 64k 128k
  92
  93 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  94 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  95 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  96 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  97 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
  98 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  99
 100 TARGET_FILESYSTEMS := $(fs-types-y)
 101
 102 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
 103 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
 104 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
 105
 106 define add_jffs2_mark
 107         echo -ne '\xde\xad\xc0\xde' >> $(1)
 108 endef
 109
 110 PROFILE_SANITIZED := $(call tolower,$(subst DEVICE_,,$(subst $(space),-,$(PROFILE))))
 111
 112 define split_args
 113 $(foreach data, \
 114         $(subst |,$(space),\
 115                 $(subst $(space),^,$(1))), \
 116         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
 117 endef
 118
 119 define build_cmd
 120 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 121 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 122
 123 endef
 124
 125 define concat_cmd
 126 $(call split_args,$(1),build_cmd)
 127 endef
 128
 129 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 130 define prepare_generic_squashfs
 131         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 132 endef
 133
 134 define Image/BuildKernel/Initramfs
 135         $(call Image/Build/Initramfs)
 136 endef
 137
 138 define Image/BuildKernel/MkuImage
 139         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 140                 -n '$(call toupper,$(ARCH)) $(VERSION_DIST) Linux-$(LINUX_VERSION)' -d $(4) $(5)
 141 endef
 142
 143 define Image/BuildKernel/MkFIT
 144         $(TOPDIR)/scripts/mkits.sh \
 145                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 146                 -c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config@1") \
 147                 -A $(LINUX_KARCH) -v $(LINUX_VERSION)
 148         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 149 endef
 150
 151 ifdef CONFIG_TARGET_IMAGES_GZIP
 152   define Image/Gzip
 153         rm -f $(1).gz
 154         gzip -9n $(1)
 155   endef
 156 endif
 157
 158
 159 # Disable noisy checks by default as in upstream
 160 DTC_FLAGS += \
 161   -Wno-unit_address_vs_reg \
 162   -Wno-simple_bus_reg \
 163   -Wno-unit_address_format \
 164   -Wno-pci_bridge \
 165   -Wno-pci_device_bus_num \
 166   -Wno-pci_device_reg
 167 ifeq ($(strip $(call kernel_patchver_ge,4.17.0)),1)
 168   DTC_FLAGS += \
 169         -Wno-avoid_unnecessary_addr_size \
 170         -Wno-alias_paths
 171 endif
 172 ifeq ($(strip $(call kernel_patchver_ge,4.18.0)),1)
 173   DTC_FLAGS += \
 174         -Wno-graph_child_address \
 175         -Wno-graph_port \
 176         -Wno-unique_unit_address
 177 endif
 178
 179 define Image/pad-to
 180         dd if=$(1) of=$(1).new bs=$(2) conv=sync
 181         mv $(1).new $(1)
 182 endef
 183
 184 ROOTFS_PARTSIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 185
 186 define Image/pad-root-squashfs
 187         $(call Image/pad-to,$(KDIR)/root.squashfs,$(if $(1),$(1),$(ROOTFS_PARTSIZE)))
 188 endef
 189
 190 # $(1) source dts file
 191 # $(2) target dtb file
 192 # $(3) extra CPP flags
 193 # $(4) extra DTC flags
 194 define Image/BuildDTB
 195         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 196                 -I$(DTS_DIR) \
 197                 -I$(DTS_DIR)/include \
 198                 -I$(LINUX_DIR)/include/ \
 199                 -undef -D__DTS__ $(3) \
 200                 -o $(2).tmp $(1)
 201         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 202                 -i$(dir $(1)) $(DTC_FLAGS) $(4) \
 203                 -o $(2) $(2).tmp
 204         $(RM) $(2).tmp
 205 endef
 206
 207 define Image/mkfs/jffs2/sub-raw
 208         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 209                 $(2) \
 210                 -e $(patsubst %k,%KiB,$(1)) \
 211                 -o $@ -d $(call mkfs_target_dir,$(3)) \
 212                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 213 endef
 214
 215 define Image/mkfs/jffs2/sub
 216         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
 217         $(call add_jffs2_mark,$@)
 218 endef
 219
 220 define Image/mkfs/jffs2/template
 221   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
 222   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 223
 224 endef
 225
 226 define Image/mkfs/jffs2-nand/template
 227   Image/mkfs/jffs2-nand-$(1) = \
 228         $$(call Image/mkfs/jffs2/sub, \
 229                 $(word 2,$(subst -, ,$(1))), \
 230                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 231
 232 endef
 233
 234 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 235 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 236
 237 define Image/mkfs/squashfs
 238         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 239                 -nopad -noappend -root-owned \
 240                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
 241                 -processors 1
 242 endef
 243
 244 # $(1): board name
 245 # $(2): rootfs type
 246 # $(3): kernel image
 247 # $(4): compat string
 248 ifneq ($(CONFIG_NAND_SUPPORT),)
 249    define Image/Build/SysupgradeNAND
 250         mkdir -p "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/"
 251         echo "BOARD=$(if $(4),$(4),$(1))" > "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/CONTROL"
 252         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/root"
 253         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/kernel"
 254         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 255                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(if $(4),$(4),$(1)) \
 256                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 257         )
 258    endef
 259
 260 # $(1) board name
 261 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 262 # $(3) rootfstype (e.g. squashfs or ubifs)
 263 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 264    define Image/Build/UbinizeImage
 265         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 266                 "$(KDIR)/root.$(3)" \
 267                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 268                 $(4)
 269    endef
 270
 271 endif
 272
 273 define Image/mkfs/ubifs
 274         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 275                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
 276                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 277                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--compr=none) \
 278                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--compr=lzo) \
 279                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--compr=zlib) \
 280                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 281                 --squash-uids \
 282                 -o $@ -d $(call mkfs_target_dir,$(1))
 283 endef
 284
 285 define Image/mkfs/ext4
 286         $(STAGING_DIR_HOST)/bin/make_ext4fs -L rootfs \
 287                 -l $(ROOTFS_PARTSIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 288                 $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
 289                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 290                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 291                 $@ $(call mkfs_target_dir,$(1))/
 292 endef
 293
 294 define Image/Manifest
 295         $(call opkg,$(TARGET_DIR_ORIG)) list-installed > \
 296                 $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 297 endef
 298
 299 define Image/gzip-ext4-padded-squashfs
 300
 301   define Image/Build/squashfs
 302     $(call Image/pad-root-squashfs)
 303   endef
 304
 305   ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
 306     define Image/Build/gzip/ext4
 307       $(call Image/Build/gzip,ext4)
 308     endef
 309     define Image/Build/gzip/squashfs
 310       $(call Image/Build/gzip,squashfs)
 311     endef
 312   endif
 313
 314 endef
 315
 316 ifdef CONFIG_TARGET_ROOTFS_TARGZ
 317   define Image/Build/targz
 318         $(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
 319                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 320                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 321   endef
 322 endif
 323
 324 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
 325   define Image/Build/cpiogz
 326         ( cd $(TARGET_DIR); find . | cpio -o -H newc -R root:root | gzip -9n >$(BIN_DIR)/$(IMG_ROOTFS).cpio.gz )
 327   endef
 328 endif
 329
 330 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
 331 mkfs_packages_add = $(foreach pkg,$(filter-out -%,$(mkfs_packages)),$(pkg)$(call GetABISuffix,$(pkg)))
 332 mkfs_packages_remove = $(foreach pkg,$(patsubst -%,%,$(filter -%,$(mkfs_packages))),$(pkg)$(call GetABISuffix,$(pkg)))
 333 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 334
 335 opkg_target = \
 336         $(call opkg,$(mkfs_cur_target_dir)) \
 337                 -f $(mkfs_cur_target_dir).conf
 338
 339 target-dir-%: FORCE
 340         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
 341         $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
 342         -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
 343         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
 344         $(if $(mkfs_packages_remove), \
 345                 -$(call opkg,$(mkfs_cur_target_dir)) remove \
 346                         $(mkfs_packages_remove))
 347         $(if $(call opkg_package_files,$(mkfs_packages_add)), \
 348                 $(opkg_target) update && \
 349                 $(opkg_target) install \
 350                         $(call opkg_package_files,$(mkfs_packages_add)))
 351         -$(CP) -T $(mkfs_cur_target_dir).opkg/ $(mkfs_cur_target_dir)/etc/opkg/
 352         rm -rf $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir).conf
 353         $(call prepare_rootfs,$(mkfs_cur_target_dir),$(TOPDIR)/files)
 354
 355 $(KDIR)/root.%: kernel_prepare
 356         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
 357
 358 define Device/InitProfile
 359   PROFILES := $(PROFILE)
 360   DEVICE_TITLE = $$(DEVICE_VENDOR) $$(DEVICE_MODEL)$$(if $$(DEVICE_VARIANT), $$(DEVICE_VARIANT))
 361   DEVICE_ALT0_TITLE = $$(DEVICE_ALT0_VENDOR) $$(DEVICE_ALT0_MODEL)$$(if $$(DEVICE_ALT0_VARIANT), $$(DEVICE_ALT0_VARIANT))
 362   DEVICE_ALT1_TITLE = $$(DEVICE_ALT1_VENDOR) $$(DEVICE_ALT1_MODEL)$$(if $$(DEVICE_ALT1_VARIANT), $$(DEVICE_ALT1_VARIANT))
 363   DEVICE_ALT2_TITLE = $$(DEVICE_ALT2_VENDOR) $$(DEVICE_ALT2_MODEL)$$(if $$(DEVICE_ALT2_VARIANT), $$(DEVICE_ALT2_VARIANT))
 364   DEVICE_VENDOR :=
 365   DEVICE_MODEL :=
 366   DEVICE_VARIANT :=
 367   DEVICE_ALT0_VENDOR :=
 368   DEVICE_ALT0_MODEL :=
 369   DEVICE_ALT0_VARIANT :=
 370   DEVICE_ALT1_VENDOR :=
 371   DEVICE_ALT1_MODEL :=
 372   DEVICE_ALT1_VARIANT :=
 373   DEVICE_ALT2_VENDOR :=
 374   DEVICE_ALT2_MODEL :=
 375   DEVICE_ALT2_VARIANT :=
 376   DEVICE_PACKAGES :=
 377   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 378 endef
 379
 380 define Device/Init
 381   DEVICE_NAME := $(1)
 382   KERNEL:=
 383   KERNEL_INITRAMFS = $$(KERNEL)
 384   CMDLINE:=
 385
 386   IMAGES :=
 387   ARTIFACTS :=
 388   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 389   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 390   IMAGE_SIZE :=
 391   KERNEL_PREFIX = $$(IMAGE_PREFIX)
 392   KERNEL_SUFFIX := -kernel.bin
 393   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 394   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 395   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 396   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 397   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 398   KERNEL_INSTALL :=
 399   KERNEL_NAME := vmlinux
 400   KERNEL_DEPENDS :=
 401   KERNEL_SIZE :=
 402
 403   UBOOTENV_IN_UBI :=
 404   KERNEL_IN_UBI :=
 405   BLOCKSIZE :=
 406   PAGESIZE :=
 407   SUBPAGESIZE :=
 408   VID_HDR_OFFSET :=
 409   UBINIZE_OPTS :=
 410   UBINIZE_PARTS :=
 411   MKUBIFS_OPTS :=
 412
 413   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 414
 415   DEVICE_DTS :=
 416   DEVICE_DTS_CONFIG :=
 417   DEVICE_DTS_DIR :=
 418   SOC :=
 419
 420   BOARD_NAME :=
 421   UIMAGE_NAME :=
 422   SUPPORTED_DEVICES :=
 423   IMAGE_METADATA :=
 424
 425   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 426
 427   UBOOT_PATH :=  $(STAGING_DIR_IMAGE)/uboot-$(1)
 428
 429   BROKEN :=
 430   DEFAULT :=
 431 endef
 432
 433 DEFAULT_DEVICE_VARS := \
 434   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE KERNEL_SIZE \
 435   CMDLINE UBOOTENV_IN_UBI KERNEL_IN_UBI BLOCKSIZE PAGESIZE SUBPAGESIZE \
 436   VID_HDR_OFFSET UBINIZE_OPTS UBINIZE_PARTS MKUBIFS_OPTS DEVICE_DTS \
 437   DEVICE_DTS_CONFIG DEVICE_DTS_DIR SOC BOARD_NAME UIMAGE_NAME SUPPORTED_DEVICES \
 438   IMAGE_METADATA KERNEL_ENTRY KERNEL_LOADADDR UBOOT_PATH IMAGE_SIZE \
 439   DEVICE_VENDOR DEVICE_MODEL DEVICE_VARIANT \
 440   DEVICE_ALT0_VENDOR DEVICE_ALT0_MODEL DEVICE_ALT0_VARIANT \
 441   DEVICE_ALT1_VENDOR DEVICE_ALT1_MODEL DEVICE_ALT1_VARIANT \
 442   DEVICE_ALT2_VENDOR DEVICE_ALT2_MODEL DEVICE_ALT2_VARIANT
 443
 444 define Device/ExportVar
 445   $(1) : $(2):=$$($(2))
 446
 447 endef
 448 define Device/Export
 449   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 450   $(1) : FILESYSTEM:=$(2)
 451 endef
 452
 453 ifdef IB
 454   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 455 else
 456   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 457 endif
 458
 459 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 460
 461 define merge_packages
 462   $(1) :=
 463   $(foreach pkg,$(2),
 464     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 465   )
 466 endef
 467
 468 define Device/Check/Common
 469   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 470   DEVICE_PACKAGES += $$(call extra_packages,$$(DEVICE_PACKAGES))
 471   ifdef TARGET_PER_DEVICE_ROOTFS
 472     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 473     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 474     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 475   endif
 476 endef
 477
 478 define Device/Check
 479   $(Device/Check/Common)
 480   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 481   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 482   ifndef IB
 483     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 484   endif
 485 endef
 486
 487 ifndef IB
 488 define Device/Build/initramfs
 489   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 490   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 491
 492   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 493   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 494         cp $$^ $$@
 495
 496   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 497         @rm -f $$@
 498         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 499 endef
 500 endif
 501
 502 define Device/Build/compile
 503   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 504   $(eval $(call Device/Export,$(KDIR)/$(1)))
 505   $(KDIR)/$(1):
 506         $$(call concat_cmd,$(COMPILE/$(1)))
 507
 508 endef
 509
 510 ifndef IB
 511 define Device/Build/dtb
 512   ifndef BUILD_DTS_$(1)
 513   BUILD_DTS_$(1) := 1
 514   $(KDIR)/image-$(1).dtb: FORCE
 515         $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
 516
 517   image_prepare: $(KDIR)/image-$(1).dtb
 518   endif
 519
 520 endef
 521 endif
 522
 523 define Device/Build/kernel
 524   $$(eval $$(foreach dts,$$(DEVICE_DTS), \
 525         $$(call Device/Build/dtb,$$(notdir $$(dts)), \
 526                 $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)), \
 527                 $$(dts) \
 528         ) \
 529   ))
 530
 531   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 532   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 533   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
 534   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
 535         cp $$^ $$@
 536   ifndef IB
 537     ifdef CONFIG_IB
 538       install: $$(KDIR_KERNEL_IMAGE)
 539     endif
 540     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 541         @rm -f $$@
 542         $$(call concat_cmd,$$(KERNEL))
 543         $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
 544   endif
 545 endef
 546
 547 define Device/Build/image
 548   GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
 549   $$(_TARGET): $(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
 550           $(BUILD_DIR)/json_info_files/$(call IMAGE_NAME,$(1),$(2)).json, \
 551           $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX))
 552   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 553
 554   ROOTFS/$(1)/$(3) := \
 555         $(KDIR)/root.$(1)$$(strip \
 556                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
 557         )$$(strip \
 558                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
 559         )
 560   ifndef IB
 561     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
 562   endif
 563   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
 564         @rm -f $$@
 565         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 566         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 567
 568   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 569
 570   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 571         gzip -c -9n $$^ > $$@
 572
 573   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 574         cp $$^ $$@
 575
 576   $(BUILD_DIR)/json_info_files/$(call IMAGE_NAME,$(1),$(2)).json: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX)
 577         @mkdir -p $$(shell dirname $$@)
 578         DEVICE_ID="$(DEVICE_NAME)" \
 579         BIN_DIR="$(BIN_DIR)" \
 580         IMAGE_NAME="$(IMAGE_NAME)" \
 581         IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
 582         IMAGE_PREFIX="$(IMAGE_PREFIX)" \
 583         DEVICE_VENDOR="$(DEVICE_VENDOR)" \
 584         DEVICE_MODEL="$(DEVICE_MODEL)" \
 585         DEVICE_VARIANT="$(DEVICE_VARIANT)" \
 586         DEVICE_ALT0_VENDOR="$(DEVICE_ALT0_VENDOR)" \
 587         DEVICE_ALT0_MODEL="$(DEVICE_ALT0_MODEL)" \
 588         DEVICE_ALT0_VARIANT="$(DEVICE_ALT0_VARIANT)" \
 589         DEVICE_ALT1_VENDOR="$(DEVICE_ALT1_VENDOR)" \
 590         DEVICE_ALT1_MODEL="$(DEVICE_ALT1_MODEL)" \
 591         DEVICE_ALT1_VARIANT="$(DEVICE_ALT1_VARIANT)" \
 592         DEVICE_ALT2_VENDOR="$(DEVICE_ALT2_VENDOR)" \
 593         DEVICE_ALT2_MODEL="$(DEVICE_ALT2_MODEL)" \
 594         DEVICE_ALT2_VARIANT="$(DEVICE_ALT2_VARIANT)" \
 595         DEVICE_TITLE="$(DEVICE_TITLE)" \
 596         DEVICE_PACKAGES="$(DEVICE_PACKAGES)" \
 597         TARGET="$(BOARD)" \
 598         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 599         VERSION_NUMBER="$(VERSION_NUMBER)" \
 600         VERSION_CODE="$(VERSION_CODE)" \
 601         SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
 602         $(TOPDIR)/scripts/json_add_image_info.py $$@
 603
 604 endef
 605
 606 define Device/Build/artifact
 607   $$(_TARGET): $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
 608   $(eval $(call Device/Export,$(KDIR)/tmp/$(IMAGE_PREFIX)-$(1)))
 609   $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1): $$(KDIR_KERNEL_IMAGE)
 610         @rm -f $$@
 611         $$(call concat_cmd,$(ARTIFACT/$(1)))
 612
 613   .IGNORE: $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
 614
 615   $(BIN_DIR)/$(IMAGE_PREFIX)-$(1): $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1)
 616         cp $$^ $$@
 617
 618 endef
 619
 620 define Device/Build
 621   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 622   $(call Device/Build/kernel,$(1))
 623
 624   $$(eval $$(foreach compile,$$(COMPILE), \
 625     $$(call Device/Build/compile,$$(compile),$(1))))
 626
 627   $$(eval $$(foreach image,$$(IMAGES), \
 628     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 629       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 630
 631   $$(eval $$(foreach artifact,$$(ARTIFACTS), \
 632     $$(call Device/Build/artifact,$$(artifact))))
 633
 634 endef
 635
 636 define Device/DumpInfo
 637 Target-Profile: DEVICE_$(1)
 638 Target-Profile-Name: $(DEVICE_DISPLAY)
 639 Target-Profile-Packages: $(DEVICE_PACKAGES)
 640 Target-Profile-hasImageMetadata: $(if $(foreach image,$(IMAGES),$(findstring append-metadata,$(IMAGE/$(image)))),1,0)
 641 Target-Profile-SupportedDevices: $(SUPPORTED_DEVICES)
 642 $(if $(BROKEN),Target-Profile-Broken: $(BROKEN))
 643 $(if $(DEFAULT),Target-Profile-Default: $(DEFAULT))
 644 Target-Profile-Description:
 645 $(DEVICE_DESCRIPTION)
 646 $(if $(strip $(DEVICE_ALT0_TITLE)),Alternative device titles:
 647 - $(DEVICE_ALT0_TITLE))
 648 $(if $(strip $(DEVICE_ALT1_TITLE)),- $(DEVICE_ALT1_TITLE))
 649 $(if $(strip $(DEVICE_ALT2_TITLE)),- $(DEVICE_ALT2_TITLE))
 650 @@
 651
 652 endef
 653
 654 define Device/Dump
 655 ifneq ($$(strip $$(DEVICE_ALT0_TITLE)),)
 656 DEVICE_DISPLAY = $$(DEVICE_ALT0_TITLE) ($$(DEVICE_TITLE))
 657 $$(info $$(call Device/DumpInfo,$(1)))
 658 endif
 659 ifneq ($$(strip $$(DEVICE_ALT1_TITLE)),)
 660 DEVICE_DISPLAY = $$(DEVICE_ALT1_TITLE) ($$(DEVICE_TITLE))
 661 $$(info $$(call Device/DumpInfo,$(1)))
 662 endif
 663 ifneq ($$(strip $$(DEVICE_ALT2_TITLE)),)
 664 DEVICE_DISPLAY = $$(DEVICE_ALT2_TITLE) ($$(DEVICE_TITLE))
 665 $$(info $$(call Device/DumpInfo,$(1)))
 666 endif
 667 DEVICE_DISPLAY = $$(DEVICE_TITLE)
 668 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 669 endef
 670
 671 define Device
 672   $(call Device/InitProfile,$(1))
 673   $(call Device/Init,$(1))
 674   $(call Device/Default,$(1))
 675   $(call Device/$(1),$(1))
 676   $(call Device/Check,$(1))
 677   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 678
 679 endef
 680
 681 define BuildImage
 682
 683   ifneq ($(DUMP),)
 684     all: dumpinfo
 685     dumpinfo: FORCE
 686         @true
 687   endif
 688
 689   download:
 690   prepare:
 691   compile:
 692   clean:
 693   legacy-images-prepare:
 694   legacy-images:
 695   image_prepare:
 696
 697   ifeq ($(IB),)
 698     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
 699     compile:
 700                 $(call Build/Compile)
 701
 702     clean:
 703                 $(call Build/Clean)
 704
 705     image_prepare: compile
 706                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 707                 rm -rf $(BUILD_DIR)/json_info_files
 708                 $(call Image/Prepare)
 709
 710     legacy-images-prepare-make: image_prepare
 711                 $(MAKE) legacy-images-prepare BIN_DIR="$(BIN_DIR)"
 712
 713   else
 714     image_prepare:
 715                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 716   endif
 717
 718   kernel_prepare: image_prepare
 719         $(call Image/Build/targz)
 720         $(call Image/Build/cpiogz)
 721         $(call Image/BuildKernel)
 722         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 723         $(call Image/InstallKernel)
 724
 725   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 726   $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
 727
 728   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 729         $(foreach fs,$(TARGET_FILESYSTEMS),
 730                 $(call Image/Build,$(fs))
 731         )
 732
 733   legacy-images-make: install-images
 734         $(call Image/mkfs/ubifs/legacy)
 735         $(MAKE) legacy-images BIN_DIR="$(BIN_DIR)"
 736
 737   install: install-images
 738         $(call Image/Manifest)
 739
 740 endef