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 | head -c 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
  48 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  49
  50 ifneq ($(CONFIG_BIG_ENDIAN),)
  51   JFFS2OPTS     :=  --big-endian --squash-uids -v
  52 else
  53   JFFS2OPTS     :=  --little-endian --squash-uids -v
  54 endif
  55
  56 ifeq ($(CONFIG_JFFS2_RTIME),y)
  57   JFFS2OPTS += -X rtime
  58 endif
  59 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  60   JFFS2OPTS += -X zlib
  61 endif
  62 ifeq ($(CONFIG_JFFS2_LZMA),y)
  63   JFFS2OPTS += -X lzma --compression-mode=size
  64 endif
  65 ifneq ($(CONFIG_JFFS2_RTIME),y)
  66   JFFS2OPTS += -x rtime
  67 endif
  68 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  69   JFFS2OPTS += -x zlib
  70 endif
  71 ifneq ($(CONFIG_JFFS2_LZMA),y)
  72   JFFS2OPTS += -x lzma
  73 endif
  74
  75 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  76
  77 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  78 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  79 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  80 SQUASHFSCOMP := gzip
  81 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  82 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  83   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  84     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  85   endif
  86   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  87 endif
  88
  89 JFFS2_BLOCKSIZE ?= 64k 128k
  90
  91 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  92 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  93 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  94 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  95 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  96 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
  97 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  98
  99 TARGET_FILESYSTEMS := $(fs-types-y)
 100
 101 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
 102 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
 103 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
 104
 105 define add_jffs2_mark
 106         echo -ne '\xde\xad\xc0\xde' >> $(1)
 107 endef
 108
 109 PROFILE_SANITIZED := $(call tolower,$(subst DEVICE_,,$(subst $(space),-,$(PROFILE))))
 110
 111 define split_args
 112 $(foreach data, \
 113         $(subst |,$(space),\
 114                 $(subst $(space),^,$(1))), \
 115         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
 116 endef
 117
 118 define build_cmd
 119 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 120 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 121
 122 endef
 123
 124 define concat_cmd
 125 $(call split_args,$(1),build_cmd)
 126 endef
 127
 128 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 129 define prepare_generic_squashfs
 130         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 131 endef
 132
 133 define Image/BuildKernel/Initramfs
 134         $(call Image/Build/Initramfs)
 135 endef
 136
 137 define Image/BuildKernel/MkuImage
 138         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 139                 -n '$(call toupper,$(ARCH)) $(VERSION_DIST) Linux-$(LINUX_VERSION)' -d $(4) $(5)
 140 endef
 141
 142 define Image/BuildKernel/MkFIT
 143         $(TOPDIR)/scripts/mkits.sh \
 144                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 145                 -c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config@1") \
 146                 -A $(LINUX_KARCH) -v $(LINUX_VERSION)
 147         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 148 endef
 149
 150 ifdef CONFIG_TARGET_IMAGES_GZIP
 151   define Image/Gzip
 152         rm -f $(1).gz
 153         gzip -9n $(1)
 154   endef
 155 endif
 156
 157
 158 # Disable noisy checks by default as in upstream
 159 ifeq ($(strip $(call kernel_patchver_ge,4.7.0)),1)
 160   DTC_FLAGS += -Wno-unit_address_vs_reg
 161 endif
 162 ifeq ($(strip $(call kernel_patchver_ge,4.12.0)),1)
 163   DTC_FLAGS += \
 164         -Wno-unit_address_vs_reg \
 165         -Wno-simple_bus_reg \
 166         -Wno-unit_address_format \
 167         -Wno-pci_bridge \
 168         -Wno-pci_device_bus_num \
 169         -Wno-pci_device_reg
 170 endif
 171 ifeq ($(strip $(call kernel_patchver_ge,4.17.0)),1)
 172   DTC_FLAGS += \
 173         -Wno-avoid_unnecessary_addr_size \
 174         -Wno-alias_paths
 175 endif
 176 ifeq ($(strip $(call kernel_patchver_ge,4.18.0)),1)
 177   DTC_FLAGS += \
 178         -Wno-graph_child_address \
 179         -Wno-graph_port \
 180         -Wno-unique_unit_address
 181 endif
 182
 183 define Image/pad-to
 184         dd if=$(1) of=$(1).new bs=$(2) conv=sync
 185         mv $(1).new $(1)
 186 endef
 187
 188 ROOTFS_PARTSIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 189
 190 define Image/pad-root-squashfs
 191         $(call Image/pad-to,$(KDIR)/root.squashfs,$(if $(1),$(1),$(ROOTFS_PARTSIZE)))
 192 endef
 193
 194 # $(1) source dts file
 195 # $(2) target dtb file
 196 # $(3) extra CPP flags
 197 # $(4) extra DTC flags
 198 define Image/BuildDTB
 199         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 200                 -I$(DTS_DIR) \
 201                 -I$(DTS_DIR)/include \
 202                 -I$(LINUX_DIR)/include/ \
 203                 -undef -D__DTS__ $(3) \
 204                 -o $(2).tmp $(1)
 205         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 206                 -i$(dir $(1)) $(DTC_FLAGS) $(4) \
 207                 -o $(2) $(2).tmp
 208         $(RM) $(2).tmp
 209 endef
 210
 211 define Image/mkfs/jffs2/sub-raw
 212         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 213                 $(2) \
 214                 -e $(patsubst %k,%KiB,$(1)) \
 215                 -o $@ -d $(call mkfs_target_dir,$(3)) \
 216                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 217 endef
 218
 219 define Image/mkfs/jffs2/sub
 220         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
 221         $(call add_jffs2_mark,$@)
 222 endef
 223
 224 define Image/mkfs/jffs2/template
 225   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
 226   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 227
 228 endef
 229
 230 define Image/mkfs/jffs2-nand/template
 231   Image/mkfs/jffs2-nand-$(1) = \
 232         $$(call Image/mkfs/jffs2/sub, \
 233                 $(word 2,$(subst -, ,$(1))), \
 234                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 235
 236 endef
 237
 238 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 239 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 240
 241 define Image/mkfs/squashfs
 242         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 243                 -nopad -noappend -root-owned \
 244                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
 245                 -processors 1
 246 endef
 247
 248 # $(1): board name
 249 # $(2): rootfs type
 250 # $(3): kernel image
 251 # $(4): compat string
 252 ifneq ($(CONFIG_NAND_SUPPORT),)
 253    define Image/Build/SysupgradeNAND
 254         mkdir -p "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/"
 255         echo "BOARD=$(if $(4),$(4),$(1))" > "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/CONTROL"
 256         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/root"
 257         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/kernel"
 258         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 259                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(if $(4),$(4),$(1)) \
 260                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 261         )
 262    endef
 263
 264 # $(1) board name
 265 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 266 # $(3) rootfstype (e.g. squashfs or ubifs)
 267 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 268    define Image/Build/UbinizeImage
 269         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 270                 "$(KDIR)/root.$(3)" \
 271                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 272                 $(4)
 273    endef
 274
 275 endif
 276
 277 define Image/mkfs/ubifs
 278         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 279                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
 280                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 281                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--compr=none) \
 282                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--compr=lzo) \
 283                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--compr=zlib) \
 284                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 285                 --squash-uids \
 286                 -o $@ -d $(call mkfs_target_dir,$(1))
 287 endef
 288
 289 define Image/mkfs/ext4
 290         $(STAGING_DIR_HOST)/bin/make_ext4fs -L rootfs \
 291                 -l $(ROOTFS_PARTSIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 292                 $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
 293                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 294                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 295                 $@ $(call mkfs_target_dir,$(1))/
 296 endef
 297
 298 define Image/Manifest
 299         $(call opkg,$(TARGET_DIR_ORIG)) list-installed > \
 300                 $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 301 endef
 302
 303 define Image/gzip-ext4-padded-squashfs
 304
 305   define Image/Build/squashfs
 306     $(call Image/pad-root-squashfs)
 307   endef
 308
 309   ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
 310     define Image/Build/gzip/ext4
 311       $(call Image/Build/gzip,ext4)
 312     endef
 313     define Image/Build/gzip/squashfs
 314       $(call Image/Build/gzip,squashfs)
 315     endef
 316   endif
 317
 318 endef
 319
 320 ifdef CONFIG_TARGET_ROOTFS_TARGZ
 321   define Image/Build/targz
 322         $(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
 323                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 324                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 325   endef
 326 endif
 327
 328 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
 329   define Image/Build/cpiogz
 330         ( cd $(TARGET_DIR); find . | cpio -o -H newc -R root:root | gzip -9n >$(BIN_DIR)/$(IMG_ROOTFS).cpio.gz )
 331   endef
 332 endif
 333
 334 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
 335 mkfs_packages_add = $(foreach pkg,$(filter-out -%,$(mkfs_packages)),$(pkg)$(call GetABISuffix,$(pkg)))
 336 mkfs_packages_remove = $(foreach pkg,$(patsubst -%,%,$(filter -%,$(mkfs_packages))),$(pkg)$(call GetABISuffix,$(pkg)))
 337 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 338
 339 opkg_target = \
 340         $(call opkg,$(mkfs_cur_target_dir)) \
 341                 -f $(mkfs_cur_target_dir).conf
 342
 343 target-dir-%: FORCE
 344         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
 345         $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
 346         -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
 347         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
 348         $(if $(mkfs_packages_remove), \
 349                 -$(call opkg,$(mkfs_cur_target_dir)) remove \
 350                         $(mkfs_packages_remove))
 351         $(if $(call opkg_package_files,$(mkfs_packages_add)), \
 352                 $(opkg_target) update && \
 353                 $(opkg_target) install \
 354                         $(call opkg_package_files,$(mkfs_packages_add)))
 355         -$(CP) -T $(mkfs_cur_target_dir).opkg/ $(mkfs_cur_target_dir)/etc/opkg/
 356         rm -rf $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir).conf
 357         $(call prepare_rootfs,$(mkfs_cur_target_dir),$(TOPDIR)/files)
 358
 359 $(KDIR)/root.%: kernel_prepare
 360         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
 361
 362 define Device/InitProfile
 363   PROFILES := $(PROFILE)
 364   DEVICE_TITLE = $$(DEVICE_VENDOR) $$(DEVICE_MODEL)$$(if $$(DEVICE_VARIANT), $$(DEVICE_VARIANT))
 365   DEVICE_ALT0_TITLE = $$(DEVICE_ALT0_VENDOR) $$(DEVICE_ALT0_MODEL)$$(if $$(DEVICE_ALT0_VARIANT), $$(DEVICE_ALT0_VARIANT))
 366   DEVICE_ALT1_TITLE = $$(DEVICE_ALT1_VENDOR) $$(DEVICE_ALT1_MODEL)$$(if $$(DEVICE_ALT1_VARIANT), $$(DEVICE_ALT1_VARIANT))
 367   DEVICE_ALT2_TITLE = $$(DEVICE_ALT2_VENDOR) $$(DEVICE_ALT2_MODEL)$$(if $$(DEVICE_ALT2_VARIANT), $$(DEVICE_ALT2_VARIANT))
 368   DEVICE_VENDOR :=
 369   DEVICE_MODEL :=
 370   DEVICE_VARIANT :=
 371   DEVICE_ALT0_VENDOR :=
 372   DEVICE_ALT0_MODEL :=
 373   DEVICE_ALT0_VARIANT :=
 374   DEVICE_ALT1_VENDOR :=
 375   DEVICE_ALT1_MODEL :=
 376   DEVICE_ALT1_VARIANT :=
 377   DEVICE_ALT2_VENDOR :=
 378   DEVICE_ALT2_MODEL :=
 379   DEVICE_ALT2_VARIANT :=
 380   DEVICE_PACKAGES :=
 381   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 382 endef
 383
 384 define Device/Init
 385   DEVICE_NAME := $(1)
 386   KERNEL:=
 387   KERNEL_INITRAMFS = $$(KERNEL)
 388   KERNEL_SIZE:=
 389   CMDLINE:=
 390
 391   IMAGES :=
 392   ARTIFACTS :=
 393   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 394   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 395   KERNEL_PREFIX = $$(IMAGE_PREFIX)
 396   KERNEL_SUFFIX := -kernel.bin
 397   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 398   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 399   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 400   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 401   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 402   KERNEL_INSTALL :=
 403   KERNEL_NAME := vmlinux
 404   KERNEL_DEPENDS :=
 405   KERNEL_SIZE :=
 406
 407   UBOOTENV_IN_UBI :=
 408   KERNEL_IN_UBI :=
 409   BLOCKSIZE :=
 410   PAGESIZE :=
 411   SUBPAGESIZE :=
 412   VID_HDR_OFFSET :=
 413   UBINIZE_OPTS :=
 414   UBINIZE_PARTS :=
 415   MKUBIFS_OPTS :=
 416
 417   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 418
 419   DEVICE_DTS :=
 420   DEVICE_DTS_CONFIG :=
 421   DEVICE_DTS_DIR :=
 422
 423   BOARD_NAME :=
 424   UIMAGE_NAME :=
 425   SUPPORTED_DEVICES :=
 426   IMAGE_METADATA :=
 427
 428   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 429
 430   UBOOT_PATH :=  $(STAGING_DIR_IMAGE)/uboot-$(1)
 431
 432   DEFAULT :=
 433 endef
 434
 435 DEFAULT_DEVICE_VARS := \
 436   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE KERNEL_SIZE \
 437   CMDLINE UBOOTENV_IN_UBI KERNEL_IN_UBI BLOCKSIZE PAGESIZE SUBPAGESIZE \
 438   VID_HDR_OFFSET UBINIZE_OPTS UBINIZE_PARTS MKUBIFS_OPTS DEVICE_DTS \
 439   DEVICE_DTS_CONFIG DEVICE_DTS_DIR BOARD_NAME UIMAGE_NAME SUPPORTED_DEVICES \
 440   IMAGE_METADATA KERNEL_ENTRY KERNEL_LOADADDR UBOOT_PATH DEVICE_VENDOR \
 441   DEVICE_MODEL DEVICE_VARIANT \
 442   DEVICE_ALT0_VENDOR DEVICE_ALT0_MODEL DEVICE_ALT0_VARIANT \
 443   DEVICE_ALT1_VENDOR DEVICE_ALT1_MODEL DEVICE_ALT1_VARIANT \
 444   DEVICE_ALT2_VENDOR DEVICE_ALT2_MODEL DEVICE_ALT2_VARIANT
 445
 446 define Device/ExportVar
 447   $(1) : $(2):=$$($(2))
 448
 449 endef
 450 define Device/Export
 451   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 452   $(1) : FILESYSTEM:=$(2)
 453 endef
 454
 455 ifdef IB
 456   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 457 else
 458   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 459 endif
 460
 461 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 462
 463 define merge_packages
 464   $(1) :=
 465   $(foreach pkg,$(2),
 466     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 467   )
 468 endef
 469
 470 define Device/Check/Common
 471   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 472   DEVICE_PACKAGES += $$(call extra_packages,$$(DEVICE_PACKAGES))
 473   ifdef TARGET_PER_DEVICE_ROOTFS
 474     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 475     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 476     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 477   endif
 478 endef
 479
 480 define Device/Check
 481   $(Device/Check/Common)
 482   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 483   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 484   ifndef IB
 485     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 486   endif
 487 endef
 488
 489 ifndef IB
 490 define Device/Build/initramfs
 491   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 492   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 493
 494   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 495   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 496         cp $$^ $$@
 497
 498   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 499         @rm -f $$@
 500         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 501 endef
 502 endif
 503
 504 define Device/Build/compile
 505   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 506   $(eval $(call Device/Export,$(KDIR)/$(1)))
 507   $(KDIR)/$(1):
 508         $$(call concat_cmd,$(COMPILE/$(1)))
 509
 510 endef
 511
 512 ifndef IB
 513 define Device/Build/dtb
 514   ifndef BUILD_DTS_$(1)
 515   BUILD_DTS_$(1) := 1
 516   $(KDIR)/image-$(1).dtb: FORCE
 517         $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
 518
 519   image_prepare: $(KDIR)/image-$(1).dtb
 520   endif
 521
 522 endef
 523 endif
 524
 525 define Device/Build/kernel
 526   $$(eval $$(foreach dts,$$(DEVICE_DTS), \
 527         $$(call Device/Build/dtb,$$(notdir $$(dts)), \
 528                 $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)), \
 529                 $$(dts) \
 530         ) \
 531   ))
 532
 533   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 534   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 535   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
 536   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
 537         cp $$^ $$@
 538   ifndef IB
 539     ifdef CONFIG_IB
 540       install: $$(KDIR_KERNEL_IMAGE)
 541     endif
 542     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 543         @rm -f $$@
 544         $$(call concat_cmd,$$(KERNEL))
 545         $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
 546   endif
 547 endef
 548
 549 define Device/Build/image
 550   GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
 551   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX)
 552   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 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         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 566
 567   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 568
 569   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 570         gzip -c -9n $$^ > $$@
 571
 572   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 573         cp $$^ $$@
 574         $(if $(CONFIG_JSON_ADD_IMAGE_INFO), \
 575                 DEVICE_ID="$(DEVICE_NAME)" \
 576                 BIN_DIR="$(BIN_DIR)" \
 577                 IMAGE_NAME="$(IMAGE_NAME)" \
 578                 IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
 579                 IMAGE_PREFIX="$(IMAGE_PREFIX)" \
 580                 DEVICE_VENDOR="$(DEVICE_VENDOR)" \
 581                 DEVICE_MODEL="$(DEVICE_MODEL)" \
 582                 DEVICE_VARIANT="$(DEVICE_VARIANT)" \
 583                 DEVICE_ALT0_VENDOR="$(DEVICE_ALT0_VENDOR)" \
 584                 DEVICE_ALT0_MODEL="$(DEVICE_ALT0_MODEL)" \
 585                 DEVICE_ALT0_VARIANT="$(DEVICE_ALT0_VARIANT)" \
 586                 DEVICE_ALT1_VENDOR="$(DEVICE_ALT1_VENDOR)" \
 587                 DEVICE_ALT1_MODEL="$(DEVICE_ALT1_MODEL)" \
 588                 DEVICE_ALT1_VARIANT="$(DEVICE_ALT1_VARIANT)" \
 589                 DEVICE_ALT2_VENDOR="$(DEVICE_ALT2_VENDOR)" \
 590                 DEVICE_ALT2_MODEL="$(DEVICE_ALT2_MODEL)" \
 591                 DEVICE_ALT2_VARIANT="$(DEVICE_ALT2_VARIANT)" \
 592                 DEVICE_TITLE="$(DEVICE_TITLE)" \
 593                 TARGET="$(BOARD)" \
 594                 SUBTARGET="$(SUBTARGET)" \
 595                 VERSION_NUMBER="$(VERSION_NUMBER)" \
 596                 VERSION_CODE="$(VERSION_CODE)" \
 597                 SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
 598                 $(TOPDIR)/scripts/json_add_image_info.py \
 599         )
 600
 601 endef
 602
 603 define Device/Build/artifact
 604   $$(_TARGET): $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
 605   $(eval $(call Device/Export,$(KDIR)/tmp/$(IMAGE_PREFIX)-$(1)))
 606   $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1): $$(KDIR_KERNEL_IMAGE)
 607         @rm -f $$@
 608         $$(call concat_cmd,$(ARTIFACT/$(1)))
 609
 610   .IGNORE: $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
 611
 612   $(BIN_DIR)/$(IMAGE_PREFIX)-$(1): $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1)
 613         cp $$^ $$@
 614
 615 endef
 616
 617 define Device/Build
 618   $(shell rm -f $(BIN_DIR)/$(IMG_PREFIX)-$(1).json)
 619
 620   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 621   $(call Device/Build/kernel,$(1))
 622
 623   $$(eval $$(foreach compile,$$(COMPILE), \
 624     $$(call Device/Build/compile,$$(compile),$(1))))
 625
 626   $$(eval $$(foreach image,$$(IMAGES), \
 627     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 628       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 629
 630   $$(eval $$(foreach artifact,$$(ARTIFACTS), \
 631     $$(call Device/Build/artifact,$$(artifact))))
 632
 633 endef
 634
 635 define Device/DumpInfo
 636 Target-Profile: DEVICE_$(1)
 637 Target-Profile-Name: $(DEVICE_DISPLAY)
 638 Target-Profile-Packages: $(DEVICE_PACKAGES)
 639 Target-Profile-hasImageMetadata: $(if $(foreach image,$(IMAGES),$(findstring append-metadata,$(IMAGE/$(image)))),1,0)
 640 Target-Profile-SupportedDevices: $(SUPPORTED_DEVICES)
 641 $(if $(DEFAULT),Target-Profile-Default: $(DEFAULT))
 642 Target-Profile-Description:
 643 $(DEVICE_DESCRIPTION)
 644 $(if $(strip $(DEVICE_ALT0_TITLE)),Alternative device titles:
 645 - $(DEVICE_ALT0_TITLE))
 646 $(if $(strip $(DEVICE_ALT1_TITLE)),- $(DEVICE_ALT1_TITLE))
 647 $(if $(strip $(DEVICE_ALT2_TITLE)),- $(DEVICE_ALT2_TITLE))
 648 @@
 649
 650 endef
 651
 652 define Device/Dump
 653 ifneq ($$(strip $$(DEVICE_ALT0_TITLE)),)
 654 DEVICE_DISPLAY = $$(DEVICE_ALT0_TITLE) ($$(DEVICE_TITLE))
 655 $$(info $$(call Device/DumpInfo,$(1)))
 656 endif
 657 ifneq ($$(strip $$(DEVICE_ALT1_TITLE)),)
 658 DEVICE_DISPLAY = $$(DEVICE_ALT1_TITLE) ($$(DEVICE_TITLE))
 659 $$(info $$(call Device/DumpInfo,$(1)))
 660 endif
 661 ifneq ($$(strip $$(DEVICE_ALT2_TITLE)),)
 662 DEVICE_DISPLAY = $$(DEVICE_ALT2_TITLE) ($$(DEVICE_TITLE))
 663 $$(info $$(call Device/DumpInfo,$(1)))
 664 endif
 665 DEVICE_DISPLAY = $$(DEVICE_TITLE)
 666 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 667 endef
 668
 669 define Device
 670   $(call Device/InitProfile,$(1))
 671   $(call Device/Init,$(1))
 672   $(call Device/Default,$(1))
 673   $(call Device/$(1),$(1))
 674   $(call Device/Check,$(1))
 675   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 676
 677 endef
 678
 679 define BuildImage
 680
 681   ifneq ($(DUMP),)
 682     all: dumpinfo
 683     dumpinfo: FORCE
 684         @true
 685   endif
 686
 687   download:
 688   prepare:
 689   compile:
 690   clean:
 691   legacy-images-prepare:
 692   legacy-images:
 693   image_prepare:
 694
 695   ifeq ($(IB),)
 696     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
 697     compile:
 698                 $(call Build/Compile)
 699
 700     clean:
 701                 $(call Build/Clean)
 702
 703     image_prepare: compile
 704                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 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