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)/host.mk
  12 include $(INCLUDE_DIR)/version.mk
  13 include $(INCLUDE_DIR)/image-commands.mk
  14 include $(INCLUDE_DIR)/image-legacy.mk
  15
  16 override MAKE:=$(_SINGLE)$(SUBMAKE)
  17 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  18
  19 KDIR=$(KERNEL_BUILD_DIR)
  20 KDIR_TMP=$(KDIR)/tmp
  21 DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
  22
  23 EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME))
  24
  25 IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(if $(EXTRA_NAME_SANITIZED),$(EXTRA_NAME_SANITIZED)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  26
  27 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  28
  29 ifneq ($(CONFIG_BIG_ENDIAN),)
  30   JFFS2OPTS     :=  --big-endian --squash-uids -v
  31 else
  32   JFFS2OPTS     :=  --little-endian --squash-uids -v
  33 endif
  34
  35 ifeq ($(CONFIG_JFFS2_RTIME),y)
  36   JFFS2OPTS += -X rtime
  37 endif
  38 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  39   JFFS2OPTS += -X zlib
  40 endif
  41 ifeq ($(CONFIG_JFFS2_LZMA),y)
  42   JFFS2OPTS += -X lzma --compression-mode=size
  43 endif
  44 ifneq ($(CONFIG_JFFS2_RTIME),y)
  45   JFFS2OPTS += -x rtime
  46 endif
  47 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  48   JFFS2OPTS += -x zlib
  49 endif
  50 ifneq ($(CONFIG_JFFS2_LZMA),y)
  51   JFFS2OPTS += -x lzma
  52 endif
  53
  54 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  55
  56 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  57 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  58 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  59 SQUASHFSCOMP := gzip
  60 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  61 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  62   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  63     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  64   endif
  65   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  66 endif
  67
  68 JFFS2_BLOCKSIZE ?= 64k 128k
  69
  70 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  71 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  72 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  73 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  74 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  75 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
  76 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  77 fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
  78 fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
  79
  80 TARGET_FILESYSTEMS := $(fs-types-y)
  81
  82 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
  83 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
  84 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
  85
  86 define add_jffs2_mark
  87         echo -ne '\xde\xad\xc0\xde' >> $(1)
  88 endef
  89
  90 PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
  91
  92 define split_args
  93 $(foreach data, \
  94         $(subst |,$(space),\
  95                 $(subst $(space),^,$(1))), \
  96         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
  97 endef
  98
  99 define build_cmd
 100 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 101 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 102
 103 endef
 104
 105 define concat_cmd
 106 $(call split_args,$(1),build_cmd)
 107 endef
 108
 109 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 110 define prepare_generic_squashfs
 111         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 112 endef
 113
 114 define Image/BuildKernel/Initramfs
 115         $(call Image/Build/Initramfs)
 116 endef
 117
 118 define Image/BuildKernel/MkuImage
 119         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 120                 -n '$(call toupper,$(ARCH)) LEDE Linux-$(LINUX_VERSION)' -d $(4) $(5)
 121 endef
 122
 123 define Image/BuildKernel/MkFIT
 124         $(TOPDIR)/scripts/mkits.sh \
 125                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 126                 -A $(ARCH) -v $(LINUX_VERSION)
 127         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 128 endef
 129
 130 # $(1) source dts file
 131 # $(2) target dtb file
 132 # $(3) extra CPP flags
 133 # $(4) extra DTC flags
 134 define Image/BuildDTB
 135         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 136                 -I$(DTS_DIR) \
 137                 -I$(DTS_DIR)/include \
 138                 -undef -D__DTS__ $(3) \
 139                 -o $(2).tmp $(1)
 140         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 141                 -i$(dir $(1)) $(4) \
 142                 -o $(2) $(2).tmp
 143         $(RM) $(2).tmp
 144 endef
 145
 146 define Image/mkfs/jffs2/sub
 147                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) --pad -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 148                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
 149 endef
 150
 151 define Image/mkfs/jffs2/sub-raw
 152                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 153 endef
 154
 155 define Image/mkfs/jffs2/template
 156   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
 157   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
 158
 159 endef
 160
 161 define Image/mkfs/jffs2-nand/template
 162   Image/mkfs/jffs2-nand-$(1) = \
 163         $$(call Image/mkfs/jffs2/sub, \
 164                 $(word 2,$(subst -, ,$(1))),nand-$(1), \
 165                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
 166
 167 endef
 168
 169 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 170 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 171
 172 define Image/mkfs/squashfs
 173         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1) $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
 174 endef
 175
 176 # $(1): board name
 177 # $(2): rootfs type
 178 # $(3): kernel image
 179 ifneq ($(CONFIG_NAND_SUPPORT),)
 180    define Image/Build/SysupgradeNAND
 181         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 182         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 183         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 184         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 185         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 186                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1) \
 187                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 188         )
 189    endef
 190
 191 # $(1) board name
 192 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 193 # $(3) rootfstype (e.g. squashfs or ubifs)
 194 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 195    define Image/Build/UbinizeImage
 196         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 197                 "$(KDIR)/root.$(3)" \
 198                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 199                 $(4)
 200    endef
 201
 202 endif
 203
 204 define Image/mkfs/ubifs
 205         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 206                 $(UBIFS_OPTS) \
 207                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 208                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 209                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 210                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 211                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 212                 --squash-uids \
 213                 -o $@ -d $(TARGET_DIR)
 214 endef
 215
 216 define Image/mkfs/cpiogz
 217         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 218 endef
 219
 220 define Image/mkfs/targz
 221         $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
 222                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 223                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 224 endef
 225
 226 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 227
 228 define Image/mkfs/ext4
 229         $(STAGING_DIR_HOST)/bin/make_ext4fs \
 230                 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 231                 -i $(CONFIG_TARGET_EXT4_MAXINODE) \
 232                 -m $(CONFIG_TARGET_EXT4_RESERVED_PCT) \
 233                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 234                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 235                 $(KDIR)/root.ext4 $(TARGET_DIR)/
 236 endef
 237
 238 define Image/mkfs/prepare/default
 239         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 240         - $(FIND) $(TARGET_DIR) -type f -not -perm /0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
 241         - $(FIND) $(TARGET_DIR) -type f -perm /0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 242         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 243         $(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
 244         chmod 1777 $(TARGET_DIR)/tmp
 245 endef
 246
 247 define Image/mkfs/prepare
 248         $(call Image/mkfs/prepare/default)
 249 endef
 250
 251
 252 define Image/Checksum
 253         ( cd ${BIN_DIR} ; \
 254                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs $1 > $2 \
 255         )
 256 endef
 257
 258 $(KDIR)/root.%: kernel_prepare
 259         $(Image/mkfs/$*)
 260
 261 define Device/InitProfile
 262   PROFILES := $(PROFILE)
 263   DEVICE_TITLE :=
 264   DEVICE_PACKAGES :=
 265   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 266 endef
 267
 268 define Device/Init
 269   DEVICE_NAME := $(1)
 270   KERNEL:=
 271   KERNEL_INITRAMFS = $$(KERNEL)
 272   KERNEL_SIZE:=
 273   CMDLINE:=
 274
 275   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 276   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 277   KERNEL_PREFIX = $$(IMAGE_PREFIX)
 278   KERNEL_SUFFIX := -kernel.bin
 279   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 280   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 281   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 282   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 283   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 284   KERNEL_INSTALL :=
 285   KERNEL_NAME := vmlinux
 286   KERNEL_DEPENDS :=
 287   KERNEL_SIZE :=
 288
 289   UBOOTENV_IN_UBI :=
 290   KERNEL_IN_UBI :=
 291   BLOCKSIZE :=
 292   PAGESIZE :=
 293   SUBPAGESIZE :=
 294   UBINIZE_OPTS := -E 5
 295
 296   DEVICE_DTS :=
 297   DEVICE_DTS_DIR :=
 298
 299   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 300 endef
 301
 302 DEFAULT_DEVICE_VARS := \
 303   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE \
 304   DEVICE_DTS DEVICE_DTS_DIR \
 305   UBOOTENV_IN_UBI KERNEL_IN_UBI \
 306   BLOCKSIZE PAGESIZE SUBPAGESIZE \
 307   UBINIZE_OPTS
 308
 309 define Device/ExportVar
 310   $(1) : $(2):=$$($(2))
 311
 312 endef
 313 define Device/Export
 314   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 315   $(1) : FILESYSTEM:=$(2)
 316 endef
 317
 318 ifdef IB
 319   DEVICE_CHECK_PROFILE = $(filter $(1),$(PROFILE))
 320 else
 321   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 322 endif
 323
 324 define Device/Check
 325   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 326   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 327   ifndef IB
 328     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 329   endif
 330 endef
 331
 332 ifndef IB
 333 define Device/Build/initramfs
 334   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 335   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 336
 337   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 338   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 339         cp $$^ $$@
 340
 341   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
 342         @rm -f $$@
 343         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 344 endef
 345 endif
 346
 347 define Device/Build/check_size
 348         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
 349                 echo "WARNING: Image file $@ is too big" >&2; \
 350                 rm -f $@; \
 351         }
 352 endef
 353
 354 define Device/Build/compile
 355   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 356   $(eval $(call Device/Export,$(KDIR)/$(1)))
 357   $(KDIR)/$(1):
 358         $$(call concat_cmd,$(COMPILE/$(1)))
 359
 360 endef
 361
 362 define Device/Build/kernel
 363   _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME)
 364   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 365   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 366   $(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1))
 367   $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE)
 368         cp $$^ $$@
 369   ifndef IB
 370     ifdef CONFIG_IB
 371       install: $(KDIR)/$$(KERNEL_IMAGE)
 372     endif
 373     $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
 374         @rm -f $$@
 375         $$(call concat_cmd,$$(KERNEL))
 376         $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
 377   endif
 378 endef
 379
 380 define Device/Build/image
 381   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 382   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 383   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1)
 384         @rm -f $$@
 385         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 386         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 387
 388   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 389   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 390         cp $$^ $$@
 391
 392 endef
 393
 394 define Device/Build
 395   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 396   $(call Device/Build/kernel,$(1))
 397
 398   $$(eval $$(foreach compile,$$(COMPILE), \
 399     $$(call Device/Build/compile,$$(compile),$(1))))
 400
 401   $$(eval $$(foreach image,$$(IMAGES), \
 402     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 403       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 404 endef
 405
 406 define Device/DumpInfo
 407 Target-Profile: DEVICE_$(1)
 408 Target-Profile-Name: $(DEVICE_TITLE)
 409 Target-Profile-Packages: $(DEVICE_PACKAGES)
 410 Target-Profile-Description:
 411 $(DEVICE_DESCRIPTION)
 412 @@
 413
 414 endef
 415
 416 define Device/Dump
 417 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 418 endef
 419
 420 define Device
 421   $(call Device/InitProfile,$(1))
 422   $(call Device/Init,$(1))
 423   $(call Device/Default,$(1))
 424   $(call Device/$(1),$(1))
 425   $(call Device/Check,$(1))
 426   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 427
 428 endef
 429
 430 define BuildImage
 431
 432   ifneq ($(DUMP),)
 433     all: dumpinfo
 434     dumpinfo: FORCE
 435         @true
 436   endif
 437
 438   download:
 439   prepare:
 440   compile:
 441   clean:
 442   legacy-images-prepare:
 443   legacy-images:
 444   image_prepare:
 445
 446   ifeq ($(IB),)
 447     .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install install-images
 448     compile:
 449                 $(call Build/Compile)
 450
 451     clean:
 452                 $(call Build/Clean)
 453
 454     image_prepare: compile
 455                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 456                 $(call Image/Prepare)
 457
 458     legacy-images-prepare-make: image_prepare
 459                 $(MAKE) legacy-images-prepare
 460
 461   else
 462     image_prepare:
 463                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 464   endif
 465
 466   mkfs_prepare: image_prepare
 467         $(call Image/mkfs/prepare)
 468
 469   kernel_prepare: mkfs_prepare
 470         $(call Image/BuildKernel)
 471         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 472         $(call Image/InstallKernel)
 473
 474   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 475   $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
 476
 477   install-images: kernel_prepare $(foreach fs,$(filter-out ubifs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 478         $(foreach fs,$(TARGET_FILESYSTEMS),
 479                 $(call Image/Build,$(fs))
 480         )
 481
 482   legacy-images-make: install-images
 483         $(call Image/mkfs/ubifs/legacy)
 484         $(MAKE) legacy-images
 485
 486   install: install-images
 487         $(call Image/Checksum,md5sum --binary,md5sums)
 488         $(call Image/Checksum,openssl dgst -sha256,sha256sums)
 489
 490 endef