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
  15 ifndef IB
  16   ifdef CONFIG_TARGET_PER_DEVICE_ROOTFS
  17     TARGET_PER_DEVICE_ROOTFS := 1
  18   endif
  19 endif
  20
  21 include $(INCLUDE_DIR)/image-legacy.mk
  22
  23 ifdef TARGET_PER_DEVICE_ROOTFS
  24   include $(INCLUDE_DIR)/rootfs.mk
  25 endif
  26
  27 override MAKE:=$(_SINGLE)$(SUBMAKE)
  28 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  29
  30 target_params = $(subst +,$(space),$*)
  31 param_get = $(patsubst $(1)=%,%,$(filter $(1)=%,$(2)))
  32 param_get_default = $(firstword $(call param_get,$(1),$(2)) $(3))
  33 param_mangle = $(subst $(space),_,$(strip $(1)))
  34 param_unmangle = $(subst _,$(space),$(1))
  35
  36 mkfs_packages_id = $(shell echo $(sort $(1)) | md5sum | head -c 8)
  37 mkfs_target_dir = $(if $(call param_get,pkg,$(1)),$(KDIR)/target-dir-$(call param_get,pkg,$(1)),$(TARGET_DIR))
  38
  39 KDIR=$(KERNEL_BUILD_DIR)
  40 KDIR_TMP=$(KDIR)/tmp
  41 DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
  42
  43 EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME))
  44
  45 IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(if $(EXTRA_NAME_SANITIZED),$(EXTRA_NAME_SANITIZED)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  46
  47 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  48
  49 ifneq ($(CONFIG_BIG_ENDIAN),)
  50   JFFS2OPTS     :=  --big-endian --squash-uids -v
  51 else
  52   JFFS2OPTS     :=  --little-endian --squash-uids -v
  53 endif
  54
  55 ifeq ($(CONFIG_JFFS2_RTIME),y)
  56   JFFS2OPTS += -X rtime
  57 endif
  58 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  59   JFFS2OPTS += -X zlib
  60 endif
  61 ifeq ($(CONFIG_JFFS2_LZMA),y)
  62   JFFS2OPTS += -X lzma --compression-mode=size
  63 endif
  64 ifneq ($(CONFIG_JFFS2_RTIME),y)
  65   JFFS2OPTS += -x rtime
  66 endif
  67 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  68   JFFS2OPTS += -x zlib
  69 endif
  70 ifneq ($(CONFIG_JFFS2_LZMA),y)
  71   JFFS2OPTS += -x lzma
  72 endif
  73
  74 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  75
  76 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  77 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  78 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  79 SQUASHFSCOMP := gzip
  80 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  81 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  82   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  83     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  84   endif
  85   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  86 endif
  87
  88 JFFS2_BLOCKSIZE ?= 64k 128k
  89
  90 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  91 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  92 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  93 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  94 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  95 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
  96 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  97
  98 TARGET_FILESYSTEMS := $(fs-types-y)
  99
 100 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
 101 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
 102 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
 103
 104 define add_jffs2_mark
 105         echo -ne '\xde\xad\xc0\xde' >> $(1)
 106 endef
 107
 108 PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
 109
 110 define split_args
 111 $(foreach data, \
 112         $(subst |,$(space),\
 113                 $(subst $(space),^,$(1))), \
 114         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
 115 endef
 116
 117 define build_cmd
 118 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 119 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 120
 121 endef
 122
 123 define concat_cmd
 124 $(call split_args,$(1),build_cmd)
 125 endef
 126
 127 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 128 define prepare_generic_squashfs
 129         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 130 endef
 131
 132 define Image/BuildKernel/Initramfs
 133         $(call Image/Build/Initramfs)
 134 endef
 135
 136 define Image/BuildKernel/MkuImage
 137         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 138                 -n '$(call toupper,$(ARCH)) LEDE Linux-$(LINUX_VERSION)' -d $(4) $(5)
 139 endef
 140
 141 define Image/BuildKernel/MkFIT
 142         $(TOPDIR)/scripts/mkits.sh \
 143                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 144                 -A $(ARCH) -v $(LINUX_VERSION)
 145         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 146 endef
 147
 148 # $(1) source dts file
 149 # $(2) target dtb file
 150 # $(3) extra CPP flags
 151 # $(4) extra DTC flags
 152 define Image/BuildDTB
 153         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 154                 -I$(DTS_DIR) \
 155                 -I$(DTS_DIR)/include \
 156                 -undef -D__DTS__ $(3) \
 157                 -o $(2).tmp $(1)
 158         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 159                 -i$(dir $(1)) $(4) \
 160                 -o $(2) $(2).tmp
 161         $(RM) $(2).tmp
 162 endef
 163
 164 define Image/mkfs/jffs2/sub-raw
 165         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 166                 $(2) \
 167                 -e $(patsubst %k,%KiB,$(1)) \
 168                 -o $@ -d $(call mkfs_target_dir,$(3)) \
 169                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 170 endef
 171
 172 define Image/mkfs/jffs2/sub
 173         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
 174         $(call add_jffs2_mark,$@)
 175 endef
 176
 177 define Image/mkfs/jffs2/template
 178   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
 179   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 180
 181 endef
 182
 183 define Image/mkfs/jffs2-nand/template
 184   Image/mkfs/jffs2-nand-$(1) = \
 185         $$(call Image/mkfs/jffs2/sub, \
 186                 $(word 2,$(subst -, ,$(1))), \
 187                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 188
 189 endef
 190
 191 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 192 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 193
 194 define Image/mkfs/squashfs
 195         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 196                 -nopad -noappend -root-owned \
 197                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
 198                 -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1) \
 199                 $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
 200 endef
 201
 202 # $(1): board name
 203 # $(2): rootfs type
 204 # $(3): kernel image
 205 ifneq ($(CONFIG_NAND_SUPPORT),)
 206    define Image/Build/SysupgradeNAND
 207         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 208         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 209         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 210         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 211         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 212                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1) \
 213                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 214         )
 215    endef
 216
 217 # $(1) board name
 218 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 219 # $(3) rootfstype (e.g. squashfs or ubifs)
 220 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 221    define Image/Build/UbinizeImage
 222         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 223                 "$(KDIR)/root.$(3)" \
 224                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 225                 $(4)
 226    endef
 227
 228 endif
 229
 230 define Image/mkfs/ubifs
 231         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 232                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
 233                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 234                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 235                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 236                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 237                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 238                 --squash-uids \
 239                 -o $@ -d $(call mkfs_target_dir,$(1))
 240 endef
 241
 242 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 243
 244 define Image/mkfs/ext4
 245         $(STAGING_DIR_HOST)/bin/make_ext4fs \
 246                 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 247                 -i $(CONFIG_TARGET_EXT4_MAXINODE) \
 248                 -m $(CONFIG_TARGET_EXT4_RESERVED_PCT) \
 249                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 250                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 251                 $@ $(call mkfs_target_dir,$(1))/
 252 endef
 253
 254 define Image/mkfs/prepare/default
 255         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 256         - $(FIND) $(1) -type f -not -perm /0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r
 257         - $(FIND) $(1) -type f -perm /0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 258         - $(FIND) $(1) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 259         $(INSTALL_DIR) $(1)/tmp $(1)/overlay
 260         chmod 1777 $(1)/tmp
 261 endef
 262
 263 define Image/mkfs/prepare
 264         $(call Image/mkfs/prepare/default,$(1))
 265 endef
 266
 267
 268 define Image/Checksum
 269         ( cd ${BIN_DIR} ; \
 270                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs $1 > $2 \
 271         )
 272 endef
 273
 274 ifdef CONFIG_TARGET_ROOTFS_TARGZ
 275   define Image/Build/targz
 276         $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
 277                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 278                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 279   endef
 280 endif
 281
 282 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
 283   define Image/Build/cpiogz
 284         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 285   endef
 286 endif
 287
 288 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
 289 mkfs_packages_add = $(filter-out -%,$(mkfs_packages))
 290 mkfs_packages_remove = $(patsubst -%,%,$(filter -%,$(mkfs_packages)))
 291 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 292
 293 opkg_target = \
 294         $(call opkg,$(mkfs_cur_target_dir)) \
 295                 -f $(mkfs_cur_target_dir).conf \
 296                 -l $(mkfs_cur_target_dir).tmp
 297
 298 target-dir-%: FORCE
 299         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
 300         $(CP) $(TARGET_DIR) $(mkfs_cur_target_dir)
 301         mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
 302         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
 303         $(if $(mkfs_packages_add), \
 304                 $(opkg_target) update && \
 305                 $(opkg_target) install \
 306                         $(call opkg_package_files,$(mkfs_packages_add)))
 307         $(if $(mkfs_packages_remove), \
 308                 $(call opkg,$(mkfs_cur_target_dir)) remove \
 309                         $(mkfs_packages_remove))
 310         $(call Image/mkfs/prepare,$(mkfs_cur_target_dir))
 311         $(call prepare_rootfs,$(mkfs_cur_target_dir))
 312         mv $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir)/etc/opkg
 313         rm -rf \
 314                 $(mkfs_cur_target_dir).conf \
 315                 $(mkfs_cur_target_dir).tmp
 316
 317 $(KDIR)/root.%: kernel_prepare
 318         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
 319
 320 define Device/InitProfile
 321   PROFILES := $(PROFILE)
 322   DEVICE_TITLE :=
 323   DEVICE_PACKAGES :=
 324   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 325 endef
 326
 327 define Device/Init
 328   DEVICE_NAME := $(1)
 329   KERNEL:=
 330   KERNEL_INITRAMFS = $$(KERNEL)
 331   KERNEL_SIZE:=
 332   CMDLINE:=
 333
 334   IMAGES :=
 335   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 336   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 337   KERNEL_PREFIX = $$(IMAGE_PREFIX)
 338   KERNEL_SUFFIX := -kernel.bin
 339   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 340   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 341   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 342   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 343   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 344   KERNEL_INSTALL :=
 345   KERNEL_NAME := vmlinux
 346   KERNEL_DEPENDS :=
 347   KERNEL_SIZE :=
 348
 349   UBOOTENV_IN_UBI :=
 350   KERNEL_IN_UBI :=
 351   BLOCKSIZE :=
 352   PAGESIZE :=
 353   SUBPAGESIZE :=
 354   VID_HDR_OFFSET :=
 355   UBINIZE_OPTS := -E 5
 356   MKUBIFS_OPTS :=
 357
 358   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 359
 360   DEVICE_DTS :=
 361   DEVICE_DTS_DIR :=
 362
 363   BOARD_NAME :=
 364
 365   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 366 endef
 367
 368 DEFAULT_DEVICE_VARS := \
 369   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE \
 370   DEVICE_DTS DEVICE_DTS_DIR BOARD_NAME CMDLINE \
 371   UBOOTENV_IN_UBI KERNEL_IN_UBI \
 372   BLOCKSIZE PAGESIZE SUBPAGESIZE VID_HDR_OFFSET \
 373   UBINIZE_OPTS
 374
 375 define Device/ExportVar
 376   $(1) : $(2):=$$($(2))
 377
 378 endef
 379 define Device/Export
 380   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 381   $(1) : FILESYSTEM:=$(2)
 382 endef
 383
 384 ifdef IB
 385   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 386 else
 387   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 388 endif
 389
 390 define Device/Check/Common
 391   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 392   ifdef TARGET_PER_DEVICE_ROOTFS
 393     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(DEVICE_PACKAGES)))
 394     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(DEVICE_PACKAGES)
 395   endif
 396 endef
 397
 398 define Device/Check
 399   $(Device/Check/Common)
 400   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 401   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 402   ifndef IB
 403     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 404   endif
 405 endef
 406
 407 ifndef IB
 408 define Device/Build/initramfs
 409   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 410   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 411
 412   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 413   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 414         cp $$^ $$@
 415
 416   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
 417         @rm -f $$@
 418         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 419 endef
 420 endif
 421
 422 define Device/Build/check_size
 423         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \
 424                 echo "WARNING: Image file $@ is too big" >&2; \
 425                 rm -f $@; \
 426         }
 427 endef
 428
 429 define Device/Build/compile
 430   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 431   $(eval $(call Device/Export,$(KDIR)/$(1)))
 432   $(KDIR)/$(1):
 433         $$(call concat_cmd,$(COMPILE/$(1)))
 434
 435 endef
 436
 437 define Device/Build/kernel
 438   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 439   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 440   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
 441   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
 442         cp $$^ $$@
 443   ifndef IB
 444     ifdef CONFIG_IB
 445       install: $$(KDIR_KERNEL_IMAGE)
 446     endif
 447     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
 448         @rm -f $$@
 449         $$(call concat_cmd,$$(KERNEL))
 450         $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
 451   endif
 452 endef
 453
 454 define Device/Build/image
 455   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 456   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 457   ROOTFS/$(1)/$(3) := \
 458         $(KDIR)/root.$(1)$$(strip \
 459                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
 460         )$$(strip \
 461                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
 462         )
 463   ifndef IB
 464     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
 465   endif
 466   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
 467         @rm -f $$@
 468         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 469         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 470
 471   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 472   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 473         cp $$^ $$@
 474
 475 endef
 476
 477 define Device/Build
 478   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 479   $(call Device/Build/kernel,$(1))
 480
 481   $$(eval $$(foreach compile,$$(COMPILE), \
 482     $$(call Device/Build/compile,$$(compile),$(1))))
 483
 484   $$(eval $$(foreach image,$$(IMAGES), \
 485     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 486       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 487 endef
 488
 489 define Device/DumpInfo
 490 Target-Profile: DEVICE_$(1)
 491 Target-Profile-Name: $(DEVICE_TITLE)
 492 Target-Profile-Packages: $(DEVICE_PACKAGES)
 493 Target-Profile-Description:
 494 $(DEVICE_DESCRIPTION)
 495 @@
 496
 497 endef
 498
 499 define Device/Dump
 500 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 501 endef
 502
 503 define Device
 504   $(call Device/InitProfile,$(1))
 505   $(call Device/Init,$(1))
 506   $(call Device/Default,$(1))
 507   $(call Device/$(1),$(1))
 508   $(call Device/Check,$(1))
 509   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 510
 511 endef
 512
 513 define BuildImage
 514
 515   ifneq ($(DUMP),)
 516     all: dumpinfo
 517     dumpinfo: FORCE
 518         @true
 519   endif
 520
 521   download:
 522   prepare:
 523   compile:
 524   clean:
 525   legacy-images-prepare:
 526   legacy-images:
 527   image_prepare:
 528
 529   ifeq ($(IB),)
 530     .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install install-images
 531     compile:
 532                 $(call Build/Compile)
 533
 534     clean:
 535                 $(call Build/Clean)
 536
 537     image_prepare: compile
 538                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 539                 $(call Image/Prepare)
 540
 541     legacy-images-prepare-make: image_prepare
 542                 $(MAKE) legacy-images-prepare
 543
 544   else
 545     image_prepare:
 546                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 547   endif
 548
 549   mkfs_prepare: image_prepare
 550         $(call Image/mkfs/prepare,$(TARGET_DIR))
 551
 552   kernel_prepare: mkfs_prepare
 553         $(call Image/Build/targz)
 554         $(call Image/Build/cpiogz)
 555         $(call Image/BuildKernel)
 556         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 557         $(call Image/InstallKernel)
 558
 559   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 560   $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
 561
 562   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 563         $(foreach fs,$(TARGET_FILESYSTEMS),
 564                 $(call Image/Build,$(fs))
 565         )
 566
 567   legacy-images-make: install-images
 568         $(call Image/mkfs/ubifs/legacy)
 569         $(MAKE) legacy-images
 570
 571   install: install-images
 572         $(call Image/Checksum,md5sum --binary,md5sums)
 573         $(call Image/Checksum,openssl dgst -sha256,sha256sums)
 574
 575 endef