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 = $$(MKUBIFS_OPTS)
 414
 415   DEVICE_DTS :=
 416   DEVICE_DTS_CONFIG :=
 417   DEVICE_DTS_DIR :=
 418   SOC :=
 419
 420   BOARD_NAME :=
 421   UIMAGE_NAME :=
 422   SUPPORTED_DEVICES :=
 423   IMAGE_METADATA :=
 424
 425   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 426
 427   UBOOT_PATH :=  $(STAGING_DIR_IMAGE)/uboot-$(1)
 428
 429   DEFAULT :=
 430 endef
 431
 432 DEFAULT_DEVICE_VARS := \
 433   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE KERNEL_SIZE \
 434   CMDLINE UBOOTENV_IN_UBI KERNEL_IN_UBI BLOCKSIZE PAGESIZE SUBPAGESIZE \
 435   VID_HDR_OFFSET UBINIZE_OPTS UBINIZE_PARTS MKUBIFS_OPTS DEVICE_DTS \
 436   DEVICE_DTS_CONFIG DEVICE_DTS_DIR SOC BOARD_NAME UIMAGE_NAME SUPPORTED_DEVICES \
 437   IMAGE_METADATA KERNEL_ENTRY KERNEL_LOADADDR UBOOT_PATH IMAGE_SIZE \
 438   DEVICE_VENDOR DEVICE_MODEL DEVICE_VARIANT \
 439   DEVICE_ALT0_VENDOR DEVICE_ALT0_MODEL DEVICE_ALT0_VARIANT \
 440   DEVICE_ALT1_VENDOR DEVICE_ALT1_MODEL DEVICE_ALT1_VARIANT \
 441   DEVICE_ALT2_VENDOR DEVICE_ALT2_MODEL DEVICE_ALT2_VARIANT
 442
 443 define Device/ExportVar
 444   $(1) : $(2):=$$($(2))
 445
 446 endef
 447 define Device/Export
 448   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 449   $(1) : FILESYSTEM:=$(2)
 450 endef
 451
 452 ifdef IB
 453   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 454 else
 455   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 456 endif
 457
 458 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 459
 460 define merge_packages
 461   $(1) :=
 462   $(foreach pkg,$(2),
 463     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 464   )
 465 endef
 466
 467 define Device/Check/Common
 468   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 469   DEVICE_PACKAGES += $$(call extra_packages,$$(DEVICE_PACKAGES))
 470   ifdef TARGET_PER_DEVICE_ROOTFS
 471     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 472     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 473     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 474   endif
 475 endef
 476
 477 define Device/Check
 478   $(Device/Check/Common)
 479   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 480   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 481   ifndef IB
 482     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 483   endif
 484 endef
 485
 486 ifndef IB
 487 define Device/Build/initramfs
 488   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 489   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 490
 491   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 492   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 493         cp $$^ $$@
 494
 495   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 496         @rm -f $$@
 497         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 498 endef
 499 endif
 500
 501 define Device/Build/compile
 502   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 503   $(eval $(call Device/Export,$(KDIR)/$(1)))
 504   $(KDIR)/$(1):
 505         $$(call concat_cmd,$(COMPILE/$(1)))
 506
 507 endef
 508
 509 ifndef IB
 510 define Device/Build/dtb
 511   ifndef BUILD_DTS_$(1)
 512   BUILD_DTS_$(1) := 1
 513   $(KDIR)/image-$(1).dtb: FORCE
 514         $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
 515
 516   image_prepare: $(KDIR)/image-$(1).dtb
 517   endif
 518
 519 endef
 520 endif
 521
 522 define Device/Build/kernel
 523   $$(eval $$(foreach dts,$$(DEVICE_DTS), \
 524         $$(call Device/Build/dtb,$$(notdir $$(dts)), \
 525                 $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)), \
 526                 $$(dts) \
 527         ) \
 528   ))
 529
 530   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 531   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 532   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
 533   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
 534         cp $$^ $$@
 535   ifndef IB
 536     ifdef CONFIG_IB
 537       install: $$(KDIR_KERNEL_IMAGE)
 538     endif
 539     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 540         @rm -f $$@
 541         $$(call concat_cmd,$$(KERNEL))
 542         $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
 543   endif
 544 endef
 545
 546 define Device/Build/image
 547   GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
 548   $$(_TARGET): $(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
 549           $(BUILD_DIR)/json_info_files/$(call IMAGE_NAME,$(1),$(2)).json, \
 550           $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX))
 551   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 552
 553   ROOTFS/$(1)/$(3) := \
 554         $(KDIR)/root.$(1)$$(strip \
 555                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
 556         )$$(strip \
 557                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
 558         )
 559   ifndef IB
 560     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
 561   endif
 562   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
 563         @rm -f $$@
 564         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 565         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 566
 567   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 568
 569   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 570         gzip -c -9n $$^ > $$@
 571
 572   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 573         cp $$^ $$@
 574
 575   $(BUILD_DIR)/json_info_files/$(call IMAGE_NAME,$(1),$(2)).json: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX)
 576         @mkdir -p $$(shell dirname $$@)
 577         DEVICE_ID="$(DEVICE_NAME)" \
 578         BIN_DIR="$(BIN_DIR)" \
 579         IMAGE_NAME="$(IMAGE_NAME)" \
 580         IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
 581         IMAGE_PREFIX="$(IMAGE_PREFIX)" \
 582         DEVICE_VENDOR="$(DEVICE_VENDOR)" \
 583         DEVICE_MODEL="$(DEVICE_MODEL)" \
 584         DEVICE_VARIANT="$(DEVICE_VARIANT)" \
 585         DEVICE_ALT0_VENDOR="$(DEVICE_ALT0_VENDOR)" \
 586         DEVICE_ALT0_MODEL="$(DEVICE_ALT0_MODEL)" \
 587         DEVICE_ALT0_VARIANT="$(DEVICE_ALT0_VARIANT)" \
 588         DEVICE_ALT1_VENDOR="$(DEVICE_ALT1_VENDOR)" \
 589         DEVICE_ALT1_MODEL="$(DEVICE_ALT1_MODEL)" \
 590         DEVICE_ALT1_VARIANT="$(DEVICE_ALT1_VARIANT)" \
 591         DEVICE_ALT2_VENDOR="$(DEVICE_ALT2_VENDOR)" \
 592         DEVICE_ALT2_MODEL="$(DEVICE_ALT2_MODEL)" \
 593         DEVICE_ALT2_VARIANT="$(DEVICE_ALT2_VARIANT)" \
 594         DEVICE_TITLE="$(DEVICE_TITLE)" \
 595         TARGET="$(BOARD)" \
 596         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 597         VERSION_NUMBER="$(VERSION_NUMBER)" \
 598         VERSION_CODE="$(VERSION_CODE)" \
 599         SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
 600         $(TOPDIR)/scripts/json_add_image_info.py $$@
 601
 602 endef
 603
 604 define Device/Build/artifact
 605   $$(_TARGET): $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
 606   $(eval $(call Device/Export,$(KDIR)/tmp/$(IMAGE_PREFIX)-$(1)))
 607   $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1): $$(KDIR_KERNEL_IMAGE)
 608         @rm -f $$@
 609         $$(call concat_cmd,$(ARTIFACT/$(1)))
 610
 611   .IGNORE: $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
 612
 613   $(BIN_DIR)/$(IMAGE_PREFIX)-$(1): $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1)
 614         cp $$^ $$@
 615
 616 endef
 617
 618 define Device/Build
 619   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 620   $(call Device/Build/kernel,$(1))
 621
 622   $$(eval $$(foreach compile,$$(COMPILE), \
 623     $$(call Device/Build/compile,$$(compile),$(1))))
 624
 625   $$(eval $$(foreach image,$$(IMAGES), \
 626     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 627       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 628
 629   $$(eval $$(foreach artifact,$$(ARTIFACTS), \
 630     $$(call Device/Build/artifact,$$(artifact))))
 631
 632 endef
 633
 634 define Device/DumpInfo
 635 Target-Profile: DEVICE_$(1)
 636 Target-Profile-Name: $(DEVICE_DISPLAY)
 637 Target-Profile-Packages: $(DEVICE_PACKAGES)
 638 Target-Profile-hasImageMetadata: $(if $(foreach image,$(IMAGES),$(findstring append-metadata,$(IMAGE/$(image)))),1,0)
 639 Target-Profile-SupportedDevices: $(SUPPORTED_DEVICES)
 640 $(if $(DEFAULT),Target-Profile-Default: $(DEFAULT))
 641 Target-Profile-Description:
 642 $(DEVICE_DESCRIPTION)
 643 $(if $(strip $(DEVICE_ALT0_TITLE)),Alternative device titles:
 644 - $(DEVICE_ALT0_TITLE))
 645 $(if $(strip $(DEVICE_ALT1_TITLE)),- $(DEVICE_ALT1_TITLE))
 646 $(if $(strip $(DEVICE_ALT2_TITLE)),- $(DEVICE_ALT2_TITLE))
 647 @@
 648
 649 endef
 650
 651 define Device/Dump
 652 ifneq ($$(strip $$(DEVICE_ALT0_TITLE)),)
 653 DEVICE_DISPLAY = $$(DEVICE_ALT0_TITLE) ($$(DEVICE_TITLE))
 654 $$(info $$(call Device/DumpInfo,$(1)))
 655 endif
 656 ifneq ($$(strip $$(DEVICE_ALT1_TITLE)),)
 657 DEVICE_DISPLAY = $$(DEVICE_ALT1_TITLE) ($$(DEVICE_TITLE))
 658 $$(info $$(call Device/DumpInfo,$(1)))
 659 endif
 660 ifneq ($$(strip $$(DEVICE_ALT2_TITLE)),)
 661 DEVICE_DISPLAY = $$(DEVICE_ALT2_TITLE) ($$(DEVICE_TITLE))
 662 $$(info $$(call Device/DumpInfo,$(1)))
 663 endif
 664 DEVICE_DISPLAY = $$(DEVICE_TITLE)
 665 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 666 endef
 667
 668 define Device
 669   $(call Device/InitProfile,$(1))
 670   $(call Device/Init,$(1))
 671   $(call Device/Default,$(1))
 672   $(call Device/$(1),$(1))
 673   $(call Device/Check,$(1))
 674   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 675
 676 endef
 677
 678 define BuildImage
 679
 680   ifneq ($(DUMP),)
 681     all: dumpinfo
 682     dumpinfo: FORCE
 683         @true
 684   endif
 685
 686   download:
 687   prepare:
 688   compile:
 689   clean:
 690   legacy-images-prepare:
 691   legacy-images:
 692   image_prepare:
 693
 694   ifeq ($(IB),)
 695     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
 696     compile:
 697                 $(call Build/Compile)
 698
 699     clean:
 700                 $(call Build/Clean)
 701
 702     image_prepare: compile
 703                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 704                 rm -rf $(BUILD_DIR)/json_info_files
 705                 $(call Image/Prepare)
 706
 707     legacy-images-prepare-make: image_prepare
 708                 $(MAKE) legacy-images-prepare BIN_DIR="$(BIN_DIR)"
 709
 710   else
 711     image_prepare:
 712                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 713   endif
 714
 715   kernel_prepare: image_prepare
 716         $(call Image/Build/targz)
 717         $(call Image/Build/cpiogz)
 718         $(call Image/BuildKernel)
 719         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 720         $(call Image/InstallKernel)
 721
 722   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 723   $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
 724
 725   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 726         $(foreach fs,$(TARGET_FILESYSTEMS),
 727                 $(call Image/Build,$(fs))
 728         )
 729
 730   legacy-images-make: install-images
 731         $(call Image/mkfs/ubifs/legacy)
 732         $(MAKE) legacy-images BIN_DIR="$(BIN_DIR)"
 733
 734   install: install-images
 735         $(call Image/Manifest)
 736
 737 endef