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/$(LINUX_KARCH)/boot/dts
  20
  21 sanitize = $(call tolower,$(subst _,-,$(1)))
  22
  23 SUBTARGET ?= default
  24 DIST_SANITIZED:=$(call sanitize,$(VERSION_DIST))
  25 EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME))
  26
  27 IMG_PREFIX:=$(DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(if $(EXTRA_NAME_SANITIZED),$(EXTRA_NAME_SANITIZED)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  28
  29 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  30
  31 ifneq ($(CONFIG_BIG_ENDIAN),)
  32   JFFS2OPTS     :=  --big-endian --squash-uids -v
  33 else
  34   JFFS2OPTS     :=  --little-endian --squash-uids -v
  35 endif
  36
  37 ifeq ($(CONFIG_JFFS2_RTIME),y)
  38   JFFS2OPTS += -X rtime
  39 endif
  40 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  41   JFFS2OPTS += -X zlib
  42 endif
  43 ifeq ($(CONFIG_JFFS2_LZMA),y)
  44   JFFS2OPTS += -X lzma --compression-mode=size
  45 endif
  46 ifneq ($(CONFIG_JFFS2_RTIME),y)
  47   JFFS2OPTS += -x rtime
  48 endif
  49 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  50   JFFS2OPTS += -x zlib
  51 endif
  52 ifneq ($(CONFIG_JFFS2_LZMA),y)
  53   JFFS2OPTS += -x lzma
  54 endif
  55
  56 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  57
  58 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  59 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  60 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  61 SQUASHFSCOMP := gzip
  62 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  63 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
  64   SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
  65 endif
  66 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  67   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  68     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  69   endif
  70   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  71 endif
  72
  73 JFFS2_BLOCKSIZE ?= 64k 128k
  74
  75 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  76 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  77 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  78 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  79 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  80 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  81 fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
  82 fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
  83
  84 TARGET_FILESYSTEMS := $(fs-types-y)
  85
  86 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
  87 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
  88 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
  89
  90 define add_jffs2_mark
  91         echo -ne '\xde\xad\xc0\xde' >> $(1)
  92 endef
  93
  94 PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
  95
  96 define split_args
  97 $(foreach data, \
  98         $(subst |,$(space),\
  99                 $(subst $(space),^,$(1))), \
 100         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
 101 endef
 102
 103 define build_cmd
 104 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 105 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 106
 107 endef
 108
 109 define concat_cmd
 110 $(call split_args,$(1),build_cmd)
 111 endef
 112
 113 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 114 define prepare_generic_squashfs
 115         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 116 endef
 117
 118 define Image/BuildKernel/Initramfs
 119         $(call Image/Build/Initramfs)
 120 endef
 121
 122 define Image/BuildKernel/MkuImage
 123         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 124                 -n '$(call toupper,$(ARCH)) LEDE Linux-$(LINUX_VERSION)' -d $(4) $(5)
 125 endef
 126
 127 define Image/BuildKernel/MkFIT
 128         $(TOPDIR)/scripts/mkits.sh \
 129                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 130                 -A $(ARCH) -v $(LINUX_VERSION)
 131         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 132 endef
 133
 134 # $(1) source dts file
 135 # $(2) target dtb file
 136 # $(3) extra CPP flags
 137 # $(4) extra DTC flags
 138 define Image/BuildDTB
 139         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 140                 -I$(DTS_DIR) \
 141                 -I$(DTS_DIR)/include \
 142                 -undef -D__DTS__ $(3) \
 143                 -o $(2).tmp $(1)
 144         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 145                 -i$(dir $(1)) $(4) \
 146                 -o $(2) $(2).tmp
 147         $(RM) $(2).tmp
 148 endef
 149
 150 define Image/mkfs/jffs2/sub
 151                 $(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 '/^.+$$$$/'
 152                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
 153 endef
 154
 155 define Image/mkfs/jffs2/sub-raw
 156                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 157 endef
 158
 159 define Image/mkfs/jffs2/template
 160   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
 161   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
 162
 163 endef
 164
 165 define Image/mkfs/jffs2-nand/template
 166   Image/mkfs/jffs2-nand-$(1) = \
 167         $$(call Image/mkfs/jffs2/sub, \
 168                 $(word 2,$(subst -, ,$(1))),nand-$(1), \
 169                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
 170
 171 endef
 172
 173 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 174 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 175
 176 define Image/mkfs/squashfs
 177         $(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))
 178 endef
 179
 180 # $(1): board name
 181 # $(2): rootfs type
 182 # $(3): kernel image
 183 ifneq ($(CONFIG_NAND_SUPPORT),)
 184    define Image/Build/SysupgradeNAND
 185         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 186         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 187         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 188         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 189         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 190                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1) \
 191                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 192         )
 193    endef
 194
 195 # $(1) board name
 196 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 197 # $(3) rootfstype (e.g. squashfs or ubifs)
 198 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 199    define Image/Build/UbinizeImage
 200         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 201                 "$(KDIR)/root.$(3)" \
 202                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 203                 $(4)
 204    endef
 205
 206 endif
 207
 208 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 209     define Image/mkfs/ubifs/generate
 210         $(CP) ./ubinize$(1).cfg $(KDIR)
 211         ( cd $(KDIR); \
 212                 $(STAGING_DIR_HOST)/bin/ubinize \
 213                 $(if $($(PROFILE)_UBI_OPTS), \
 214                         $(shell echo $($(PROFILE)_UBI_OPTS)), \
 215                         $(shell echo $(UBI_OPTS)) \
 216                 ) \
 217                 -o $(KDIR)/root$(1).ubi \
 218                 ubinize$(1).cfg \
 219         )
 220     endef
 221
 222     define Image/mkfs/ubifs
 223
 224         ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
 225                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 226                         $(if $($(PROFILE)_UBIFS_OPTS), \
 227                                 $(shell echo $($(PROFILE)_UBIFS_OPTS)), \
 228                                 $(shell echo $(UBIFS_OPTS)) \
 229                         ) \
 230                         $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 231                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 232                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 233                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 234                         $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 235                         --squash-uids \
 236                         -o $(KDIR)/root.ubifs \
 237                         -d $(TARGET_DIR)
 238         endif
 239         $(call Image/Build,ubifs)
 240
 241         ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
 242                 $(if $(wildcard ./ubinize.cfg),$(call Image/mkfs/ubifs/generate,))
 243                 $(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
 244         endif
 245         $(if $(wildcard ./ubinize.cfg),$(call Image/Build,ubi))
 246     endef
 247 endif
 248
 249 define Image/mkfs/cpiogz
 250         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 251 endef
 252
 253 define Image/mkfs/targz
 254         $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
 255                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 256                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 257 endef
 258
 259 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 260
 261 define Image/mkfs/ext4
 262         $(STAGING_DIR_HOST)/bin/make_ext4fs \
 263                 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 264                 -i $(CONFIG_TARGET_EXT4_MAXINODE) \
 265                 -m $(CONFIG_TARGET_EXT4_RESERVED_PCT) \
 266                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 267                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 268                 $(KDIR)/root.ext4 $(TARGET_DIR)/
 269 endef
 270
 271 define Image/mkfs/prepare/default
 272         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 273         - $(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
 274         - $(FIND) $(TARGET_DIR) -type f -perm /0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 275         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 276         $(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
 277         chmod 1777 $(TARGET_DIR)/tmp
 278 endef
 279
 280 define Image/mkfs/prepare
 281         $(call Image/mkfs/prepare/default)
 282 endef
 283
 284
 285 define Image/Checksum
 286         ( cd ${BIN_DIR} ; \
 287                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs $1 > $2 \
 288         )
 289 endef
 290
 291 define BuildImage/mkfs
 292   install: mkfs-$(1)
 293   .PHONY: mkfs-$(1)
 294   mkfs-$(1): kernel_prepare
 295         $(Image/mkfs/$(1))
 296         $(call Build/mkfs/default,$(1))
 297         $(call Build/mkfs/$(1),$(1))
 298   $(KDIR)/root.$(1): mkfs-$(1)
 299
 300 endef
 301
 302 # Build commands that can be called from Device/* templates
 303 define Build/uImage
 304         mkimage -A $(LINUX_KARCH) \
 305                 -O linux -T kernel \
 306                 -C $(1) -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 307                 -n '$(call toupper,$(LINUX_KARCH)) LEDE Linux-$(LINUX_VERSION)' -d $@ $@.new
 308         @mv $@.new $@
 309 endef
 310
 311 define Build/netgear-chk
 312         $(STAGING_DIR_HOST)/bin/mkchkimg \
 313                 -o $@.new \
 314                 -k $@ \
 315                 -b $(NETGEAR_BOARD_ID) \
 316                 -r $(NETGEAR_REGION)
 317         mv $@.new $@
 318 endef
 319
 320 define Build/netgear-dni
 321         $(STAGING_DIR_HOST)/bin/mkdniimg \
 322                 -B $(NETGEAR_BOARD_ID) -v LEDE.$(REVISION) \
 323                 $(if $(NETGEAR_HW_ID),-H $(NETGEAR_HW_ID)) \
 324                 -r "$(1)" \
 325                 -i $@ -o $@.new
 326         mv $@.new $@
 327 endef
 328
 329 define Build/fit
 330         $(TOPDIR)/scripts/mkits.sh \
 331                 -D $(DEVICE_NAME) -o $@.its -k $@ \
 332                 $(if $(word 2,$(1)),-d $(word 2,$(1))) -C $(word 1,$(1)) \
 333                 -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 334                 -A $(ARCH) -v $(LINUX_VERSION)
 335         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
 336         @mv $@.new $@
 337 endef
 338
 339 define Build/lzma
 340         $(call Build/lzma-no-dict,-lc1 -lp2 -pb2 $(1))
 341 endef
 342
 343 define Build/lzma-no-dict
 344         $(STAGING_DIR_HOST)/bin/lzma e $@ $(1) $@.new
 345         @mv $@.new $@
 346 endef
 347
 348 define Build/gzip
 349         gzip -9n -c $@ $(1) > $@.new
 350         @mv $@.new $@
 351 endef
 352
 353 define Build/jffs2
 354         rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 && \
 355                 mkdir -p $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$$(dirname $(1)) && \
 356                 cp $@ $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$(1) && \
 357                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 --pad \
 358                         $(if $(CONFIG_BIG_ENDIAN),--big-endian,--little-endian) \
 359                         --squash-uids -v -e $(patsubst %k,%KiB,$(BLOCKSIZE)) \
 360                         -o $@.new \
 361                         -d $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 \
 362                         2>&1 1>/dev/null | awk '/^.+$$$$/' && \
 363                 $(STAGING_DIR_HOST)/bin/padjffs2 $@.new -J $(patsubst %k,,$(BLOCKSIZE))
 364         -rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/
 365         @mv $@.new $@
 366 endef
 367
 368 define Build/kernel-bin
 369         rm -f $@
 370         cp $< $@
 371 endef
 372
 373 define Build/patch-cmdline
 374         $(STAGING_DIR_HOST)/bin/patch-cmdline $@ '$(CMDLINE)'
 375 endef
 376
 377 define Build/append-kernel
 378         dd if=$(word 1,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 379 endef
 380
 381 define Build/append-rootfs
 382         dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 383 endef
 384
 385 define Build/append-ubi
 386         sh $(TOPDIR)/scripts/ubinize-image.sh \
 387                 $(if $(UBOOTENV_IN_UBI),--uboot-env) \
 388                 $(if $(KERNEL_IN_UBI),--kernel $(word 1,$^)) \
 389                 $(word 2,$^) \
 390                 $@.tmp \
 391                 -p $(BLOCKSIZE) -m $(PAGESIZE) -E 5 \
 392                 $(if $(SUBPAGESIZE),-s $(SUBPAGESIZE))
 393         cat $@.tmp >> $@
 394         rm $@.tmp
 395 endef
 396
 397 define Build/pad-to
 398         dd if=$@ of=$@.new bs=$(1) conv=sync
 399         mv $@.new $@
 400 endef
 401
 402 define Build/pad-rootfs
 403         $(call prepare_generic_squashfs,$@ $(1))
 404 endef
 405
 406 define Build/pad-offset
 407         let \
 408                 size="$$(stat -c%s $@)" \
 409                 pad="$(word 1, $(1))" \
 410                 offset="$(word 2, $(1))" \
 411                 pad="(pad - ((size + offset) % pad)) % pad" \
 412                 newsize='size + pad'; \
 413                 dd if=$@ of=$@.new bs=$$newsize count=1 conv=sync
 414         mv $@.new $@
 415 endef
 416
 417 define Build/check-size
 418         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
 419                 echo "WARNING: Image file $@ is too big" >&2; \
 420                 rm -f $@; \
 421         }
 422 endef
 423
 424 define Build/combined-image
 425         -sh $(TOPDIR)/scripts/combined-image.sh \
 426                 "$(word 1,$^)" \
 427                 "$@" \
 428                 "$@.new"
 429         @mv $@.new $@
 430 endef
 431
 432 define Build/sysupgrade-nand
 433         sh $(TOPDIR)/scripts/sysupgrade-nand.sh \
 434                 --board $(if $(BOARD_NAME),$(BOARD_NAME),$(DEVICE_NAME)) \
 435                 --kernel $(word 1,$^) \
 436                 --rootfs $(word 2,$^) \
 437                 $@
 438 endef
 439
 440 define Device/Init
 441   PROFILES := $(PROFILE)
 442   SUBTARGETS := $(SUBTARGET)
 443   DEVICE_NAME := $(1)
 444   DEVICE_TITLE :=
 445   DEVICE_PACKAGES :=
 446   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 447   KERNEL:=
 448   KERNEL_INITRAMFS = $$(KERNEL)
 449   KERNEL_SIZE:=
 450   CMDLINE:=
 451
 452   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 453   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 454   KERNEL_PREFIX = $(1)
 455   KERNEL_SUFFIX := -kernel.bin
 456   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 457   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 458   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX)
 459   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 460   KERNEL_INSTALL :=
 461   KERNEL_NAME := vmlinux
 462   KERNEL_DEPENDS :=
 463   KERNEL_SIZE :=
 464
 465   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 466 endef
 467
 468 define Device/ExportVar
 469   $(1) : $(2):=$$($(2))
 470
 471 endef
 472 define Device/Export
 473   $(foreach var,$(DEVICE_VARS) DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE,$(call Device/ExportVar,$(1),$(var)))
 474   $(1) : FILESYSTEM:=$(2)
 475 endef
 476
 477 define Device/Check
 478   _TARGET = $$(if $$(and $$(filter $(SUBTARGET),$$(SUBTARGETS)),$$(filter $(PROFILE),$$(PROFILES) DEVICE_$(1))),install,install-disabled)
 479   _COMPILE_TARGET = $$(if $(if $(IB),,$(CONFIG_IB)$$(filter $(PROFILE),$$(PROFILES) DEVICE_$(1))),compile,compile-disabled)
 480 endef
 481
 482 ifndef IB
 483 define Device/Build/initramfs
 484   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 485   $$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
 486
 487   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 488   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 489         cp $$^ $$@
 490
 491   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
 492         @rm -f $$@
 493         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 494 endef
 495 endif
 496
 497 define Device/Build/check_size
 498         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
 499                 echo "WARNING: Image file $@ is too big" >&2; \
 500                 rm -f $@; \
 501         }
 502 endef
 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 define Device/Build/kernel
 513   _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME)
 514   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 515   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 516   $(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1))
 517   $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE)
 518         cp $$^ $$@
 519   ifndef IB
 520     ifdef CONFIG_IB
 521       install: $(KDIR)/$$(KERNEL_IMAGE)
 522     endif
 523     $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
 524         @rm -f $$@
 525         $$(call concat_cmd,$$(KERNEL))
 526         $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
 527   endif
 528 endef
 529
 530 define Device/Build/image
 531   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 532   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 533   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1)
 534         @rm -f $$@
 535         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 536         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 537
 538   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 539   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 540         cp $$^ $$@
 541
 542 endef
 543
 544 define Device/Build
 545   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 546   $(call Device/Build/kernel,$(1))
 547
 548   $$(eval $$(foreach compile,$$(COMPILE), \
 549     $$(call Device/Build/compile,$$(compile),$(1))))
 550
 551   $$(eval $$(foreach image,$$(IMAGES), \
 552     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 553       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 554 endef
 555
 556 define Device/DumpInfo
 557 Target-Profile: DEVICE_$(1)
 558 Target-Profile-Name: $(DEVICE_TITLE)
 559 Target-Profile-Packages: $(DEVICE_PACKAGES)
 560 Target-Profile-Description:
 561 $(DEVICE_DESCRIPTION)
 562 @@
 563
 564 endef
 565
 566 DEVICE_PROFILE_CHECK=$(and $(DEVICE_TITLE),$(filter $(SUBTARGET),$(SUBTARGETS)))
 567
 568 define Device/Dump
 569 $$(eval $$(if $$(DEVICE_PROFILE_CHECK),$$(info $$(call Device/DumpInfo,$(1)))))
 570 endef
 571
 572 define Device
 573   $(call Device/Init,$(1))
 574   $(call Device/Default,$(1))
 575   $(call Device/Check,$(1))
 576   $(call Device/$(1),$(1))
 577   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 578
 579 endef
 580
 581 define BuildImage
 582
 583   ifneq ($(DUMP),)
 584     all: dumpinfo
 585     dumpinfo: FORCE
 586         @true
 587   endif
 588
 589   download:
 590   prepare:
 591   compile:
 592   clean:
 593   image_prepare:
 594
 595   ifeq ($(IB),)
 596     .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
 597     compile:
 598                 $(call Build/Compile)
 599
 600     clean:
 601                 $(call Build/Clean)
 602
 603     image_prepare: compile
 604                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 605                 $(call Image/Prepare)
 606   else
 607     image_prepare:
 608                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 609   endif
 610
 611   mkfs_prepare: image_prepare
 612         $(call Image/mkfs/prepare)
 613
 614   kernel_prepare: mkfs_prepare
 615         $(call Image/BuildKernel)
 616         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 617         $(call Image/InstallKernel)
 618
 619   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 620   $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
 621
 622   install: kernel_prepare
 623         $(foreach fs,$(TARGET_FILESYSTEMS),
 624                 $(call Image/Build,$(fs))
 625         )
 626         $(call Image/mkfs/ubifs)
 627         $(call Image/Checksum,md5sum --binary,md5sums)
 628         $(call Image/Checksum,openssl dgst -sha256,sha256sums)
 629
 630 endef