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 $(INCLUDE_DIR)/version.mk
  13
  14 override MAKE:=$(_SINGLE)$(SUBMAKE)
  15 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  16
  17 KDIR=$(KERNEL_BUILD_DIR)
  18 KDIR_TMP=$(KDIR)/tmp
  19 DTS_DIR:=$(LINUX_DIR)/arch/$(ARCH)/boot/dts/
  20
  21 IMG_PREFIX:=openwrt-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  22
  23 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  24
  25 ifneq ($(CONFIG_BIG_ENDIAN),)
  26   JFFS2OPTS     :=  --big-endian --squash-uids -v
  27 else
  28   JFFS2OPTS     :=  --little-endian --squash-uids -v
  29 endif
  30
  31 ifeq ($(CONFIG_JFFS2_RTIME),y)
  32   JFFS2OPTS += -X rtime
  33 endif
  34 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  35   JFFS2OPTS += -X zlib
  36 endif
  37 ifeq ($(CONFIG_JFFS2_LZMA),y)
  38   JFFS2OPTS += -X lzma --compression-mode=size
  39 endif
  40 ifneq ($(CONFIG_JFFS2_RTIME),y)
  41   JFFS2OPTS += -x rtime
  42 endif
  43 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  44   JFFS2OPTS += -x zlib
  45 endif
  46 ifneq ($(CONFIG_JFFS2_LZMA),y)
  47   JFFS2OPTS += -x lzma
  48 endif
  49
  50 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  51
  52 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  53 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  54 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  55 SQUASHFSCOMP := gzip
  56 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  57 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
  58   SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
  59 endif
  60 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  61   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  62     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  63   endif
  64   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  65 endif
  66
  67 JFFS2_BLOCKSIZE ?= 64k 128k
  68
  69 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  70 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  71 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  72 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  73 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  74 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  75 fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
  76 fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
  77
  78 TARGET_FILESYSTEMS := $(fs-types-y)
  79
  80 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
  81 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
  82 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
  83
  84 define add_jffs2_mark
  85         echo -ne '\xde\xad\xc0\xde' >> $(1)
  86 endef
  87
  88 define toupper
  89 $(shell echo $(1) | tr '[:lower:]' '[:upper:]')
  90 endef
  91
  92 define tolower
  93 $(shell echo $(1) | tr '[:upper:]' '[:lower:]')
  94 endef
  95
  96 define sanitize
  97 $(shell echo $(call tolower,$(1)) | sed 's/_/-/g')
  98 endef
  99
 100 PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
 101
 102 define split_args
 103 $(foreach data, \
 104         $(subst |,$(space),\
 105                 $(subst $(space),^,$(1))), \
 106         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
 107 endef
 108
 109 define build_cmd
 110 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 111 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 112
 113 endef
 114
 115 define concat_cmd
 116 $(call split_args,$(1),build_cmd)
 117 endef
 118
 119 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 120 define prepare_generic_squashfs
 121         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 122 endef
 123
 124 define Image/BuildKernel/Initramfs
 125         $(call Image/Build/Initramfs)
 126 endef
 127
 128 define Image/BuildKernel/MkuImage
 129         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 130                 -n '$(call toupper,$(ARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $(4) $(5)
 131 endef
 132
 133 define Image/BuildKernel/MkFIT
 134         $(TOPDIR)/scripts/mkits.sh \
 135                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 136                 -A $(ARCH) -v $(LINUX_VERSION)
 137         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 138 endef
 139
 140 # $(1) source dts file
 141 # $(2) target dtb file
 142 # $(3) extra CPP flags
 143 # $(4) extra DTC flags
 144 define Image/BuildDTB
 145         $(CPP) -nostdinc -x assembler-with-cpp \
 146                 -I$(LINUX_DIR)/arch/$(ARCH)/boot/dts \
 147                 -I$(LINUX_DIR)/arch/$(ARCH)/boot/dts/include \
 148                 -undef -D__DTS__ $(3) \
 149                 -o $(2).tmp $(1)
 150         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 151                 -i$(dir $(1)) $(4) \
 152                 -o $(2) $(2).tmp
 153         $(RM) $(2).tmp
 154 endef
 155
 156 define Image/mkfs/jffs2/sub
 157                 $(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 '/^.+$$$$/'
 158                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
 159 endef
 160
 161 define Image/mkfs/jffs2/sub-raw
 162                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 163 endef
 164
 165 define Image/mkfs/jffs2/template
 166   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
 167   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
 168
 169 endef
 170
 171 define Image/mkfs/jffs2-nand/template
 172   Image/mkfs/jffs2-nand-$(1) = \
 173         $$(call Image/mkfs/jffs2/sub, \
 174                 $(word 2,$(subst -, ,$(1))),nand-$(1), \
 175                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
 176
 177 endef
 178
 179 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 180 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 181
 182 define Image/mkfs/squashfs
 183         $(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)
 184 endef
 185
 186 # $(1): board name
 187 # $(2): rootfs type
 188 # $(3): kernel image
 189 ifneq ($(CONFIG_NAND_SUPPORT),)
 190    define Image/Build/SysupgradeNAND
 191         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 192         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 193         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 194         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 195         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 196                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1))
 197    endef
 198
 199 # $(1) board name
 200 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 201 # $(3) rootfstype (e.g. squashfs or ubifs)
 202 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 203    define Image/Build/UbinizeImage
 204         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 205                 "$(KDIR)/root.$(3)" \
 206                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 207                 $(4)
 208    endef
 209
 210 endif
 211
 212 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 213     define Image/mkfs/ubifs/generate
 214         $(CP) ./ubinize$(1).cfg $(KDIR)
 215         ( cd $(KDIR); \
 216                 $(STAGING_DIR_HOST)/bin/ubinize \
 217                 $(if $($(PROFILE)_UBI_OPTS), \
 218                         $(shell echo $($(PROFILE)_UBI_OPTS)), \
 219                         $(shell echo $(UBI_OPTS)) \
 220                 ) \
 221                 -o $(KDIR)/root$(1).ubi \
 222                 ubinize$(1).cfg \
 223         )
 224     endef
 225
 226     define Image/mkfs/ubifs
 227
 228         ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
 229                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 230                         $(if $($(PROFILE)_UBIFS_OPTS), \
 231                                 $(shell echo $($(PROFILE)_UBIFS_OPTS)), \
 232                                 $(shell echo $(UBIFS_OPTS)) \
 233                         ) \
 234                         $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 235                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 236                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 237                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 238                         $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 239                         --squash-uids \
 240                         -o $(KDIR)/root.ubifs \
 241                         -d $(TARGET_DIR)
 242         endif
 243         $(call Image/Build,ubifs)
 244
 245         ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
 246                 $(if $(wildcard ./ubinize.cfg),$(call Image/mkfs/ubifs/generate,))
 247                 $(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
 248         endif
 249         $(if $(wildcard ./ubinize.cfg),$(call Image/Build,ubi))
 250     endef
 251 endif
 252
 253 define Image/mkfs/cpiogz
 254         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 255 endef
 256
 257 define Image/mkfs/targz
 258         $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 --sort=name -C $(TARGET_DIR)/ .
 259 endef
 260
 261 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 262
 263 define Image/mkfs/ext4
 264         $(STAGING_DIR_HOST)/bin/make_ext4fs \
 265                 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 266                 -i $(CONFIG_TARGET_EXT4_MAXINODE) \
 267                 -m $(CONFIG_TARGET_EXT4_RESERVED_PCT) \
 268                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 269                 $(KDIR)/root.ext4 $(TARGET_DIR)/
 270 endef
 271
 272 define Image/mkfs/prepare/default
 273         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 274         - $(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
 275         - $(FIND) $(TARGET_DIR) -type f -perm /0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 276         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 277         $(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
 278         chmod 1777 $(TARGET_DIR)/tmp
 279 endef
 280
 281 define Image/mkfs/prepare
 282         $(call Image/mkfs/prepare/default)
 283 endef
 284
 285
 286 define Image/Checksum
 287         ( cd ${BIN_DIR} ; \
 288                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs $1 > $2 \
 289         )
 290 endef
 291
 292 define BuildImage/mkfs
 293   install: mkfs-$(1)
 294   .PHONY: mkfs-$(1)
 295   mkfs-$(1): kernel_prepare
 296         $(Image/mkfs/$(1))
 297         $(call Build/mkfs/default,$(1))
 298         $(call Build/mkfs/$(1),$(1))
 299   $(KDIR)/root.$(1): mkfs-$(1)
 300
 301 endef
 302
 303 # Build commands that can be called from Device/* templates
 304 define Build/uImage
 305         mkimage -A $(LINUX_KARCH) \
 306                 -O linux -T kernel \
 307                 -C $(1) -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 308                 -n '$(call toupper,$(LINUX_KARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $@ $@.new
 309         @mv $@.new $@
 310 endef
 311
 312 define Build/netgear-chk
 313         $(STAGING_DIR_HOST)/bin/mkchkimg \
 314                 -o $@.new \
 315                 -k $@ \
 316                 -b $(NETGEAR_BOARD_ID) \
 317                 -r $(NETGEAR_REGION)
 318         mv $@.new $@
 319 endef
 320
 321 define Build/netgear-dni
 322         $(STAGING_DIR_HOST)/bin/mkdniimg \
 323                 -B $(NETGEAR_BOARD_ID) -v OpenWrt.$(REVISION) \
 324                 $(if $(NETGEAR_HW_ID),-H $(NETGEAR_HW_ID)) \
 325                 -r "$(1)" \
 326                 -i $@ -o $@.new
 327         mv $@.new $@
 328 endef
 329
 330 define Build/fit
 331         $(TOPDIR)/scripts/mkits.sh \
 332                 -D $(DEVICE_NAME) -o $@.its -k $@ \
 333                 $(if $(word 2,$(1)),-d $(word 2,$(1))) -C $(word 1,$(1)) \
 334                 -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 335                 -A $(ARCH) -v $(LINUX_VERSION)
 336         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
 337         @mv $@.new $@
 338 endef
 339
 340 define Build/lzma
 341         $(STAGING_DIR_HOST)/bin/lzma e $@ -lc1 -lp2 -pb2 $(1) $@.new
 342         @mv $@.new $@
 343 endef
 344
 345 define Build/gzip
 346         gzip -9n -c $@ $(1) > $@.new
 347         @mv $@.new $@
 348 endef
 349
 350 define Build/kernel-bin
 351         rm -f $@
 352         cp $^ $@
 353 endef
 354
 355 define Build/patch-cmdline
 356         $(STAGING_DIR_HOST)/bin/patch-cmdline $@ '$(CMDLINE)'
 357 endef
 358
 359 define Build/append-kernel
 360         dd if=$(word 1,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 361 endef
 362
 363 define Build/append-rootfs
 364         dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 365 endef
 366
 367 define Build/append-ubi
 368         sh $(TOPDIR)/scripts/ubinize-image.sh \
 369                 $(if $(KERNEL_IN_UBI),--kernel $(word 1,$^)) \
 370                 $(word 2,$^) \
 371                 $@.tmp \
 372                 -p $(BLOCKSIZE) -m $(PAGESIZE) -E 5
 373         cat $@.tmp >> $@
 374         rm $@.tmp
 375 endef
 376
 377 define Build/pad-to
 378         dd if=$@ of=$@.new bs=$(1) conv=sync
 379         mv $@.new $@
 380 endef
 381
 382 define Build/pad-rootfs
 383         $(call prepare_generic_squashfs,$@ $(1))
 384 endef
 385
 386 define Build/pad-offset
 387         let \
 388                 size="$$(stat -c%s $@)" \
 389                 pad="$(word 1, $(1))" \
 390                 offset="$(word 2, $(1))" \
 391                 pad="(pad - ((size + offset) % pad)) % pad" \
 392                 newsize='size + pad'; \
 393                 dd if=$@ of=$@.new bs=$$newsize count=1 conv=sync
 394         mv $@.new $@
 395 endef
 396
 397 define Build/check-size
 398         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
 399                 echo "WARNING: Image file $@ is too big" >&2; \
 400                 rm -f $@; \
 401         }
 402 endef
 403
 404 define Build/combined-image
 405         -sh $(TOPDIR)/scripts/combined-image.sh \
 406                 "$(word 1,$^)" \
 407                 "$@" \
 408                 "$@.new"
 409         @mv $@.new $@
 410 endef
 411
 412 define Build/sysupgrade-nand
 413         sh $(TOPDIR)/scripts/sysupgrade-nand.sh \
 414                 --board $(if $(BOARD_NAME),$(BOARD_NAME),$(DEVICE_NAME)) \
 415                 --kernel $(word 1,$^) \
 416                 --rootfs $(word 2,$^) \
 417                 $@
 418 endef
 419
 420 define Device/Init
 421   PROFILES := $(PROFILE)
 422   DEVICE_NAME := $(1)
 423   KERNEL:=
 424   KERNEL_INITRAMFS = $$(KERNEL)
 425   KERNEL_SIZE:=
 426   CMDLINE:=
 427
 428   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 429   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 430   KERNEL_PREFIX = $(1)
 431   KERNEL_SUFFIX := -kernel.bin
 432   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 433   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 434   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX)
 435   KERNEL_INSTALL :=
 436   KERNEL_NAME := vmlinux
 437   KERNEL_SIZE :=
 438
 439   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 440 endef
 441
 442 define Device/ExportVar
 443   $(1) : $(2):=$$($(2))
 444
 445 endef
 446 define Device/Export
 447   $(foreach var,$(DEVICE_VARS) DEVICE_NAME KERNEL KERNEL_INITRAMFS,$(call Device/ExportVar,$(1),$(var)))
 448   $(1) : FILESYSTEM:=$(2)
 449 endef
 450
 451 define Device/Check
 452   _TARGET = $$(if $$(filter $(PROFILE),$$(PROFILES)),install,install-disabled)
 453   _COMPILE_TARGET = $$(if $(if $(IB),,$(CONFIG_IB)$$(filter $(PROFILE),$$(PROFILES))),compile,compile-disabled)
 454 endef
 455
 456 ifndef IB
 457 define Device/Build/initramfs
 458   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 459   $$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
 460
 461   $(KDIR)/$$(KERNEL_NAME)-initramfs: image_prepare
 462   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 463         cp $$^ $$@
 464
 465   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_NAME)-initramfs
 466         @rm -f $$@
 467         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 468 endef
 469 endif
 470
 471 define Device/Build/check_size
 472         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
 473                 echo "WARNING: Image file $@ is too big" >&2; \
 474                 rm -f $@; \
 475         }
 476 endef
 477
 478 define Device/Build/compile
 479   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 480   $(eval $(call Device/Export,$(KDIR)/$(1)))
 481   $(KDIR)/$(1):
 482         $$(call concat_cmd,$(COMPILE/$(1)))
 483
 484 endef
 485
 486 define Device/Build/kernel
 487   _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME)
 488   $(KDIR)/$$(KERNEL_NAME): image_prepare
 489   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 490   $(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1))
 491   $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE)
 492         cp $$^ $$@
 493   ifndef IB
 494     ifdef CONFIG_IB
 495       install: $(KDIR)/$$(KERNEL_IMAGE)
 496     endif
 497     $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME)
 498         @rm -f $$@
 499         $$(call concat_cmd,$$(KERNEL))
 500         $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
 501   endif
 502 endef
 503
 504 define Device/Build/image
 505   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 506   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 507   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1)
 508         @rm -f $$@
 509         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 510         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 511
 512   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 513   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 514         cp $$^ $$@
 515
 516 endef
 517
 518 define Device/Build
 519   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 520   $(call Device/Build/kernel,$(1))
 521
 522   $$(eval $$(foreach compile,$$(COMPILE), \
 523     $$(call Device/Build/compile,$$(compile),$(1))))
 524
 525   $$(eval $$(foreach image,$$(IMAGES), \
 526     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 527       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 528 endef
 529
 530 define Device
 531   $(call Device/Init,$(1))
 532   $(call Device/Default,$(1))
 533   $(call Device/Check,$(1))
 534   $(call Device/$(1),$(1))
 535   $(call Device/Build,$(1))
 536
 537 endef
 538
 539 define BuildImage
 540
 541   download:
 542   prepare:
 543   compile:
 544   clean:
 545   image_prepare:
 546
 547   ifeq ($(IB),)
 548     .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
 549     compile:
 550                 $(call Build/Compile)
 551
 552     clean:
 553                 $(call Build/Clean)
 554
 555     image_prepare: compile
 556                 mkdir -p $(KDIR)/tmp
 557                 $(call Image/Prepare)
 558   else
 559     image_prepare:
 560                 mkdir -p $(KDIR)/tmp
 561   endif
 562
 563   mkfs_prepare: image_prepare
 564         $(call Image/mkfs/prepare)
 565
 566   kernel_prepare: mkfs_prepare
 567         $(call Image/BuildKernel)
 568         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 569         $(call Image/InstallKernel)
 570
 571   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 572   $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
 573
 574   $$(sort $$(_KERNEL_IMAGES)):
 575         @touch $$@
 576
 577   install: kernel_prepare
 578         $(foreach fs,$(TARGET_FILESYSTEMS),
 579                 $(call Image/Build,$(fs))
 580         )
 581         $(call Image/mkfs/ubifs)
 582         $(call Image/Checksum,md5sum --binary,md5sums)
 583         $(call Image/Checksum,openssl dgst -sha256,sha256sums)
 584
 585 endef