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)) | mkhash md5 | 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 IMG_PREFIX_EXTRA:=$(if $(EXTRA_IMAGE_NAME),$(call sanitize,$(EXTRA_IMAGE_NAME))-)
  44 IMG_PREFIX_VERNUM:=$(if $(CONFIG_VERSION_FILENAMES),$(call sanitize,$(VERSION_NUMBER))-)
  45 IMG_PREFIX_VERCODE:=$(if $(CONFIG_VERSION_CODE_FILENAMES),$(call sanitize,$(VERSION_CODE))-)
  46
  47 IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(IMG_PREFIX_VERNUM)$(IMG_PREFIX_VERCODE)$(IMG_PREFIX_EXTRA)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  48
  49 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  50
  51 ifneq ($(CONFIG_BIG_ENDIAN),)
  52   JFFS2OPTS     :=  --big-endian --squash-uids -v
  53 else
  54   JFFS2OPTS     :=  --little-endian --squash-uids -v
  55 endif
  56
  57 ifeq ($(CONFIG_JFFS2_RTIME),y)
  58   JFFS2OPTS += -X rtime
  59 endif
  60 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  61   JFFS2OPTS += -X zlib
  62 endif
  63 ifeq ($(CONFIG_JFFS2_LZMA),y)
  64   JFFS2OPTS += -X lzma --compression-mode=size
  65 endif
  66 ifneq ($(CONFIG_JFFS2_RTIME),y)
  67   JFFS2OPTS += -x rtime
  68 endif
  69 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  70   JFFS2OPTS += -x zlib
  71 endif
  72 ifneq ($(CONFIG_JFFS2_LZMA),y)
  73   JFFS2OPTS += -x lzma
  74 endif
  75
  76 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  77
  78 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  79 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  80 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  81 SQUASHFSCOMP := gzip
  82 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  83 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  84   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  85     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  86   endif
  87   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  88 endif
  89
  90 JFFS2_BLOCKSIZE ?= 64k 128k
  91
  92 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  93 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  94 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  95 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  96 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  97 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
  98 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  99
 100 TARGET_FILESYSTEMS := $(fs-types-y)
 101
 102 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
 103 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
 104 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
 105
 106 define add_jffs2_mark
 107         echo -ne '\xde\xad\xc0\xde' >> $(1)
 108 endef
 109
 110 PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
 111
 112 define split_args
 113 $(foreach data, \
 114         $(subst |,$(space),\
 115                 $(subst $(space),^,$(1))), \
 116         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
 117 endef
 118
 119 define build_cmd
 120 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 121 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 122
 123 endef
 124
 125 define concat_cmd
 126 $(call split_args,$(1),build_cmd)
 127 endef
 128
 129 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 130 define prepare_generic_squashfs
 131         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 132 endef
 133
 134 define Image/BuildKernel/Initramfs
 135         $(call Image/Build/Initramfs)
 136 endef
 137
 138 define Image/BuildKernel/MkuImage
 139         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 140                 -n '$(call toupper,$(ARCH)) LEDE Linux-$(LINUX_VERSION)' -d $(4) $(5)
 141 endef
 142
 143 define Image/BuildKernel/MkFIT
 144         $(TOPDIR)/scripts/mkits.sh \
 145                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 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 # $(1) source dts file
 158 # $(2) target dtb file
 159 # $(3) extra CPP flags
 160 # $(4) extra DTC flags
 161 define Image/BuildDTB
 162         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 163                 -I$(DTS_DIR) \
 164                 -I$(DTS_DIR)/include \
 165                 -undef -D__DTS__ $(3) \
 166                 -o $(2).tmp $(1)
 167         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 168                 -i$(dir $(1)) $(4) \
 169                 -o $(2) $(2).tmp
 170         $(RM) $(2).tmp
 171 endef
 172
 173 define Image/mkfs/jffs2/sub-raw
 174         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 175                 $(2) \
 176                 -e $(patsubst %k,%KiB,$(1)) \
 177                 -o $@ -d $(call mkfs_target_dir,$(3)) \
 178                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 179 endef
 180
 181 define Image/mkfs/jffs2/sub
 182         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
 183         $(call add_jffs2_mark,$@)
 184 endef
 185
 186 define Image/mkfs/jffs2/template
 187   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
 188   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 189
 190 endef
 191
 192 define Image/mkfs/jffs2-nand/template
 193   Image/mkfs/jffs2-nand-$(1) = \
 194         $$(call Image/mkfs/jffs2/sub, \
 195                 $(word 2,$(subst -, ,$(1))), \
 196                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 197
 198 endef
 199
 200 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 201 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 202
 203 define Image/mkfs/squashfs
 204         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 205                 -nopad -noappend -root-owned \
 206                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
 207                 -processors 1 \
 208                 $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
 209 endef
 210
 211 # $(1): board name
 212 # $(2): rootfs type
 213 # $(3): kernel image
 214 ifneq ($(CONFIG_NAND_SUPPORT),)
 215    define Image/Build/SysupgradeNAND
 216         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 217         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 218         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 219         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 220         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 221                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1) \
 222                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 223         )
 224    endef
 225
 226 # $(1) board name
 227 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 228 # $(3) rootfstype (e.g. squashfs or ubifs)
 229 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 230    define Image/Build/UbinizeImage
 231         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 232                 "$(KDIR)/root.$(3)" \
 233                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 234                 $(4)
 235    endef
 236
 237 endif
 238
 239 define Image/mkfs/ubifs
 240         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 241                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
 242                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 243                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--compr=none) \
 244                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--compr=lzo) \
 245                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--compr=zlib) \
 246                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 247                 --squash-uids \
 248                 -o $@ -d $(call mkfs_target_dir,$(1))
 249 endef
 250
 251 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 252
 253 define Image/mkfs/ext4
 254         $(STAGING_DIR_HOST)/bin/make_ext4fs \
 255                 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 256                 $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
 257                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 258                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 259                 $@ $(call mkfs_target_dir,$(1))/
 260 endef
 261
 262 define Image/Manifest
 263         $(STAGING_DIR_HOST)/bin/opkg \
 264                 --offline-root $(TARGET_DIR) \
 265                 --add-arch all:100 \
 266                 --add-arch $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD)):200 list-installed > \
 267                 $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 268 endef
 269
 270 ifdef CONFIG_TARGET_ROOTFS_TARGZ
 271   define Image/Build/targz
 272         $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
 273                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 274                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 275   endef
 276 endif
 277
 278 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
 279   define Image/Build/cpiogz
 280         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 281   endef
 282 endif
 283
 284 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
 285 mkfs_packages_add = $(filter-out -%,$(mkfs_packages))
 286 mkfs_packages_remove = $(patsubst -%,%,$(filter -%,$(mkfs_packages)))
 287 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 288
 289 opkg_target = \
 290         $(call opkg,$(mkfs_cur_target_dir)) \
 291                 -f $(mkfs_cur_target_dir).conf
 292
 293 target-dir-%: FORCE
 294         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
 295         $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
 296         -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
 297         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
 298         $(if $(mkfs_packages_remove), \
 299                 -$(call opkg,$(mkfs_cur_target_dir)) remove \
 300                         $(mkfs_packages_remove))
 301         $(if $(call opkg_package_files,$(mkfs_packages_add)), \
 302                 $(opkg_target) update && \
 303                 $(opkg_target) install \
 304                         $(call opkg_package_files,$(mkfs_packages_add)))
 305         $(call prepare_rootfs,$(mkfs_cur_target_dir))
 306         -mv $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir)/etc/opkg
 307         rm -f $(mkfs_cur_target_dir).conf
 308
 309 $(KDIR)/root.%: kernel_prepare
 310         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
 311
 312 define Device/InitProfile
 313   PROFILES := $(PROFILE)
 314   DEVICE_TITLE :=
 315   DEVICE_PACKAGES :=
 316   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 317 endef
 318
 319 define Device/Init
 320   DEVICE_NAME := $(1)
 321   KERNEL:=
 322   KERNEL_INITRAMFS = $$(KERNEL)
 323   KERNEL_SIZE:=
 324   CMDLINE:=
 325
 326   IMAGES :=
 327   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 328   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 329   KERNEL_PREFIX = $$(IMAGE_PREFIX)
 330   KERNEL_SUFFIX := -kernel.bin
 331   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 332   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 333   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 334   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 335   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 336   KERNEL_INSTALL :=
 337   KERNEL_NAME := vmlinux
 338   KERNEL_DEPENDS :=
 339   KERNEL_SIZE :=
 340
 341   UBOOTENV_IN_UBI :=
 342   KERNEL_IN_UBI :=
 343   BLOCKSIZE :=
 344   PAGESIZE :=
 345   SUBPAGESIZE :=
 346   VID_HDR_OFFSET :=
 347   UBINIZE_OPTS :=
 348   UBINIZE_PARTS :=
 349   MKUBIFS_OPTS :=
 350
 351   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 352
 353   DEVICE_DTS :=
 354   DEVICE_DTS_DIR :=
 355
 356   BOARD_NAME :=
 357   UIMAGE_NAME :=
 358   SUPPORTED_DEVICES :=
 359   IMAGE_METADATA :=
 360
 361   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 362 endef
 363
 364 DEFAULT_DEVICE_VARS := \
 365   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_SIZE KERNEL_INITRAMFS_IMAGE \
 366   DEVICE_DTS DEVICE_DTS_DIR BOARD_NAME CMDLINE \
 367   UBOOTENV_IN_UBI KERNEL_IN_UBI \
 368   BLOCKSIZE PAGESIZE SUBPAGESIZE VID_HDR_OFFSET \
 369   UBINIZE_OPTS UIMAGE_NAME UBINIZE_PARTS \
 370   SUPPORTED_DEVICES IMAGE_METADATA
 371
 372 define Device/ExportVar
 373   $(1) : $(2):=$$($(2))
 374
 375 endef
 376 define Device/Export
 377   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 378   $(1) : FILESYSTEM:=$(2)
 379 endef
 380
 381 ifdef IB
 382   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 383 else
 384   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 385 endif
 386
 387 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 388
 389 define merge_packages
 390   $(1) :=
 391   $(foreach pkg,$(2),
 392     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 393   )
 394 endef
 395
 396 define Device/Check/Common
 397   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 398   ifdef TARGET_PER_DEVICE_ROOTFS
 399     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 400     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 401     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 402   endif
 403 endef
 404
 405 define Device/Check
 406   $(Device/Check/Common)
 407   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 408   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 409   ifndef IB
 410     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 411   endif
 412 endef
 413
 414 ifndef IB
 415 define Device/Build/initramfs
 416   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 417   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 418
 419   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 420   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 421         cp $$^ $$@
 422
 423   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS)
 424         @rm -f $$@
 425         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 426 endef
 427 endif
 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 Build/check-size,$$(KERNEL_SIZE)))
 451   endif
 452 endef
 453
 454 define Device/Build/image
 455   GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
 456   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX)
 457   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 458   ROOTFS/$(1)/$(3) := \
 459         $(KDIR)/root.$(1)$$(strip \
 460                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
 461         )$$(strip \
 462                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
 463         )
 464   ifndef IB
 465     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
 466   endif
 467   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
 468         @rm -f $$@
 469         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 470         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 471
 472   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 473
 474   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 475         gzip -c -9n $$^ > $$@
 476
 477   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 478         cp $$^ $$@
 479
 480 endef
 481
 482 define Device/Build
 483   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 484   $(call Device/Build/kernel,$(1))
 485
 486   $$(eval $$(foreach compile,$$(COMPILE), \
 487     $$(call Device/Build/compile,$$(compile),$(1))))
 488
 489   $$(eval $$(foreach image,$$(IMAGES), \
 490     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 491       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 492 endef
 493
 494 define Device/DumpInfo
 495 Target-Profile: DEVICE_$(1)
 496 Target-Profile-Name: $(DEVICE_TITLE)
 497 Target-Profile-Packages: $(DEVICE_PACKAGES)
 498 Target-Profile-Description:
 499 $(DEVICE_DESCRIPTION)
 500 @@
 501
 502 endef
 503
 504 define Device/Dump
 505 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 506 endef
 507
 508 define Device
 509   $(call Device/InitProfile,$(1))
 510   $(call Device/Init,$(1))
 511   $(call Device/Default,$(1))
 512   $(call Device/$(1),$(1))
 513   $(call Device/Check,$(1))
 514   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 515
 516 endef
 517
 518 define BuildImage
 519
 520   ifneq ($(DUMP),)
 521     all: dumpinfo
 522     dumpinfo: FORCE
 523         @true
 524   endif
 525
 526   download:
 527   prepare:
 528   compile:
 529   clean:
 530   legacy-images-prepare:
 531   legacy-images:
 532   image_prepare:
 533
 534   ifeq ($(IB),)
 535     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
 536     compile:
 537                 $(call Build/Compile)
 538
 539     clean:
 540                 $(call Build/Clean)
 541
 542     image_prepare: compile
 543                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 544                 $(call Image/Prepare)
 545
 546     legacy-images-prepare-make: image_prepare
 547                 $(MAKE) legacy-images-prepare
 548
 549   else
 550     image_prepare:
 551                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 552   endif
 553
 554   kernel_prepare: image_prepare
 555         $(call Image/Build/targz)
 556         $(call Image/Build/cpiogz)
 557         $(call Image/BuildKernel)
 558         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 559         $(call Image/InstallKernel)
 560
 561   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 562   $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
 563
 564   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 565         $(foreach fs,$(TARGET_FILESYSTEMS),
 566                 $(call Image/Build,$(fs))
 567         )
 568
 569   legacy-images-make: install-images
 570         $(call Image/mkfs/ubifs/legacy)
 571         $(MAKE) legacy-images
 572
 573   install: install-images
 574         $(call Image/Manifest)
 575
 576 endef