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)/version.mk
  12 include $(INCLUDE_DIR)/image-commands.mk
  13
  14 ifndef IB
  15   ifdef CONFIG_TARGET_PER_DEVICE_ROOTFS
  16     TARGET_PER_DEVICE_ROOTFS := 1
  17   endif
  18 endif
  19
  20 include $(INCLUDE_DIR)/image-legacy.mk
  21 include $(INCLUDE_DIR)/feeds.mk
  22 include $(INCLUDE_DIR)/rootfs.mk
  23
  24 override MAKE:=$(_SINGLE)$(SUBMAKE)
  25 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  26
  27 target_params = $(subst +,$(space),$*)
  28 param_get = $(patsubst $(1)=%,%,$(filter $(1)=%,$(2)))
  29 param_get_default = $(firstword $(call param_get,$(1),$(2)) $(3))
  30 param_mangle = $(subst $(space),_,$(strip $(1)))
  31 param_unmangle = $(subst _,$(space),$(1))
  32
  33 mkfs_packages_id = $(shell echo $(sort $(1)) | mkhash md5 | head -c 8)
  34 mkfs_target_dir = $(if $(call param_get,pkg,$(1)),$(KDIR)/target-dir-$(call param_get,pkg,$(1)),$(TARGET_DIR))
  35
  36 KDIR=$(KERNEL_BUILD_DIR)
  37 KDIR_TMP=$(KDIR)/tmp
  38 DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
  39
  40 IMG_PREFIX_EXTRA:=$(if $(EXTRA_IMAGE_NAME),$(call sanitize,$(EXTRA_IMAGE_NAME))-)
  41 IMG_PREFIX_VERNUM:=$(if $(CONFIG_VERSION_FILENAMES),$(call sanitize,$(VERSION_NUMBER))-)
  42 IMG_PREFIX_VERCODE:=$(if $(CONFIG_VERSION_CODE_FILENAMES),$(call sanitize,$(VERSION_CODE))-)
  43
  44 IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(IMG_PREFIX_VERNUM)$(IMG_PREFIX_VERCODE)$(IMG_PREFIX_EXTRA)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  45
  46 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  47
  48 ifneq ($(CONFIG_BIG_ENDIAN),)
  49   JFFS2OPTS     :=  --big-endian --squash-uids -v
  50 else
  51   JFFS2OPTS     :=  --little-endian --squash-uids -v
  52 endif
  53
  54 ifeq ($(CONFIG_JFFS2_RTIME),y)
  55   JFFS2OPTS += -X rtime
  56 endif
  57 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  58   JFFS2OPTS += -X zlib
  59 endif
  60 ifeq ($(CONFIG_JFFS2_LZMA),y)
  61   JFFS2OPTS += -X lzma --compression-mode=size
  62 endif
  63 ifneq ($(CONFIG_JFFS2_RTIME),y)
  64   JFFS2OPTS += -x rtime
  65 endif
  66 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  67   JFFS2OPTS += -x zlib
  68 endif
  69 ifneq ($(CONFIG_JFFS2_LZMA),y)
  70   JFFS2OPTS += -x lzma
  71 endif
  72
  73 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  74
  75 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  76 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  77 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  78 SQUASHFSCOMP := gzip
  79 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  80 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  81   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  82     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  83   endif
  84   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  85 endif
  86
  87 JFFS2_BLOCKSIZE ?= 64k 128k
  88
  89 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  90 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  91 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  92 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  93 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  94 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
  95 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  96
  97 TARGET_FILESYSTEMS := $(fs-types-y)
  98
  99 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
 100 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
 101 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
 102
 103 define add_jffs2_mark
 104         echo -ne '\xde\xad\xc0\xde' >> $(1)
 105 endef
 106
 107 PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
 108
 109 define split_args
 110 $(foreach data, \
 111         $(subst |,$(space),\
 112                 $(subst $(space),^,$(1))), \
 113         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
 114 endef
 115
 116 define build_cmd
 117 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 118 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 119
 120 endef
 121
 122 define concat_cmd
 123 $(call split_args,$(1),build_cmd)
 124 endef
 125
 126 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 127 define prepare_generic_squashfs
 128         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 129 endef
 130
 131 define Image/BuildKernel/Initramfs
 132         $(call Image/Build/Initramfs)
 133 endef
 134
 135 define Image/BuildKernel/MkuImage
 136         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 137                 -n '$(call toupper,$(ARCH)) $(VERSION_DIST) Linux-$(LINUX_VERSION)' -d $(4) $(5)
 138 endef
 139
 140 define Image/BuildKernel/MkFIT
 141         $(TOPDIR)/scripts/mkits.sh \
 142                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 143                 -A $(LINUX_KARCH) -v $(LINUX_VERSION)
 144         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 145 endef
 146
 147 ifdef CONFIG_TARGET_IMAGES_GZIP
 148   define Image/Gzip
 149         rm -f $(1).gz
 150         gzip -9n $(1)
 151   endef
 152 endif
 153
 154 # $(1) source dts file
 155 # $(2) target dtb file
 156 # $(3) extra CPP flags
 157 # $(4) extra DTC flags
 158 define Image/BuildDTB
 159         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 160                 -I$(DTS_DIR) \
 161                 -I$(DTS_DIR)/include \
 162                 -I$(LINUX_DIR)/include/ \
 163                 -undef -D__DTS__ $(3) \
 164                 -o $(2).tmp $(1)
 165         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 166                 -i$(dir $(1)) $(4) \
 167                 -o $(2) $(2).tmp
 168         $(RM) $(2).tmp
 169 endef
 170
 171 define Image/mkfs/jffs2/sub-raw
 172         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 173                 $(2) \
 174                 -e $(patsubst %k,%KiB,$(1)) \
 175                 -o $@ -d $(call mkfs_target_dir,$(3)) \
 176                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 177 endef
 178
 179 define Image/mkfs/jffs2/sub
 180         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
 181         $(call add_jffs2_mark,$@)
 182 endef
 183
 184 define Image/mkfs/jffs2/template
 185   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
 186   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 187
 188 endef
 189
 190 define Image/mkfs/jffs2-nand/template
 191   Image/mkfs/jffs2-nand-$(1) = \
 192         $$(call Image/mkfs/jffs2/sub, \
 193                 $(word 2,$(subst -, ,$(1))), \
 194                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 195
 196 endef
 197
 198 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 199 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 200
 201 define Image/mkfs/squashfs
 202         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 203                 -nopad -noappend -root-owned \
 204                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
 205                 -processors 1 \
 206                 $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
 207 endef
 208
 209 # $(1): board name
 210 # $(2): rootfs type
 211 # $(3): kernel image
 212 # $(4): compat string
 213 ifneq ($(CONFIG_NAND_SUPPORT),)
 214    define Image/Build/SysupgradeNAND
 215         mkdir -p "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/"
 216         echo "BOARD=$(if $(4),$(4),$(1))" > "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/CONTROL"
 217         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/root"
 218         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/kernel"
 219         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 220                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(if $(4),$(4),$(1)) \
 221                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 222         )
 223    endef
 224
 225 # $(1) board name
 226 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 227 # $(3) rootfstype (e.g. squashfs or ubifs)
 228 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 229    define Image/Build/UbinizeImage
 230         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 231                 "$(KDIR)/root.$(3)" \
 232                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 233                 $(4)
 234    endef
 235
 236 endif
 237
 238 define Image/mkfs/ubifs
 239         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 240                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
 241                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 242                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--compr=none) \
 243                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--compr=lzo) \
 244                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--compr=zlib) \
 245                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 246                 --squash-uids \
 247                 -o $@ -d $(call mkfs_target_dir,$(1))
 248 endef
 249
 250 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 251
 252 define Image/mkfs/ext4
 253         $(STAGING_DIR_HOST)/bin/make_ext4fs \
 254                 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 255                 $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
 256                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 257                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 258                 $@ $(call mkfs_target_dir,$(1))/
 259 endef
 260
 261 define Image/Manifest
 262         $(call opkg,$(TARGET_DIR_ORIG)) list-installed > \
 263                 $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 264 endef
 265
 266 ifdef CONFIG_TARGET_ROOTFS_TARGZ
 267   define Image/Build/targz
 268         $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
 269                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 270                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 271   endef
 272 endif
 273
 274 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
 275   define Image/Build/cpiogz
 276         ( cd $(TARGET_DIR); find . | cpio -o -H newc -R root:root | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 277   endef
 278 endif
 279
 280 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
 281 mkfs_packages_add = $(filter-out -%,$(mkfs_packages))
 282 mkfs_packages_remove = $(patsubst -%,%,$(filter -%,$(mkfs_packages)))
 283 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 284
 285 opkg_target = \
 286         $(call opkg,$(mkfs_cur_target_dir)) \
 287                 -f $(mkfs_cur_target_dir).conf
 288
 289 target-dir-%: FORCE
 290         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
 291         $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
 292         -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
 293         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
 294         $(if $(mkfs_packages_remove), \
 295                 -$(call opkg,$(mkfs_cur_target_dir)) remove \
 296                         $(mkfs_packages_remove))
 297         $(if $(call opkg_package_files,$(mkfs_packages_add)), \
 298                 $(opkg_target) update && \
 299                 $(opkg_target) install \
 300                         $(call opkg_package_files,$(mkfs_packages_add)))
 301         -$(CP) -T $(mkfs_cur_target_dir).opkg/ $(mkfs_cur_target_dir)/etc/opkg/
 302         rm -rf $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir).conf
 303         $(call prepare_rootfs,$(mkfs_cur_target_dir),$(TOPDIR)/files)
 304
 305 $(KDIR)/root.%: kernel_prepare
 306         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
 307
 308 define Device/InitProfile
 309   PROFILES := $(PROFILE)
 310   DEVICE_TITLE :=
 311   DEVICE_PACKAGES :=
 312   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 313 endef
 314
 315 define Device/Init
 316   DEVICE_NAME := $(1)
 317   KERNEL:=
 318   KERNEL_INITRAMFS = $$(KERNEL)
 319   KERNEL_SIZE:=
 320   CMDLINE:=
 321
 322   IMAGES :=
 323   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 324   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 325   KERNEL_PREFIX = $$(IMAGE_PREFIX)
 326   KERNEL_SUFFIX := -kernel.bin
 327   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 328   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 329   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 330   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 331   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 332   KERNEL_INSTALL :=
 333   KERNEL_NAME := vmlinux
 334   KERNEL_DEPENDS :=
 335   KERNEL_SIZE :=
 336
 337   UBOOTENV_IN_UBI :=
 338   KERNEL_IN_UBI :=
 339   BLOCKSIZE :=
 340   PAGESIZE :=
 341   SUBPAGESIZE :=
 342   VID_HDR_OFFSET :=
 343   UBINIZE_OPTS :=
 344   UBINIZE_PARTS :=
 345   MKUBIFS_OPTS :=
 346
 347   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 348
 349   DEVICE_DTS :=
 350   DEVICE_DTS_DIR :=
 351
 352   BOARD_NAME :=
 353   UIMAGE_NAME :=
 354   SUPPORTED_DEVICES :=
 355   IMAGE_METADATA :=
 356
 357   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 358 endef
 359
 360 DEFAULT_DEVICE_VARS := \
 361   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_SIZE KERNEL_INITRAMFS_IMAGE \
 362   KERNEL_LOADADDR DEVICE_DTS DEVICE_DTS_DIR BOARD_NAME CMDLINE \
 363   UBOOTENV_IN_UBI KERNEL_IN_UBI \
 364   BLOCKSIZE PAGESIZE SUBPAGESIZE VID_HDR_OFFSET \
 365   UBINIZE_OPTS UIMAGE_NAME UBINIZE_PARTS \
 366   SUPPORTED_DEVICES IMAGE_METADATA
 367
 368 define Device/ExportVar
 369   $(1) : $(2):=$$($(2))
 370
 371 endef
 372 define Device/Export
 373   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 374   $(1) : FILESYSTEM:=$(2)
 375 endef
 376
 377 ifdef IB
 378   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 379 else
 380   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 381 endif
 382
 383 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 384
 385 define merge_packages
 386   $(1) :=
 387   $(foreach pkg,$(2),
 388     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 389   )
 390 endef
 391
 392 define Device/Check/Common
 393   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 394   ifdef TARGET_PER_DEVICE_ROOTFS
 395     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 396     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 397     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 398   endif
 399 endef
 400
 401 define Device/Check
 402   $(Device/Check/Common)
 403   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 404   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 405   ifndef IB
 406     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 407   endif
 408 endef
 409
 410 ifndef IB
 411 define Device/Build/initramfs
 412   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 413   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 414
 415   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 416   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 417         cp $$^ $$@
 418
 419   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 420         @rm -f $$@
 421         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 422 endef
 423 endif
 424
 425 define Device/Build/compile
 426   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 427   $(eval $(call Device/Export,$(KDIR)/$(1)))
 428   $(KDIR)/$(1):
 429         $$(call concat_cmd,$(COMPILE/$(1)))
 430
 431 endef
 432
 433 ifndef IB
 434 define Device/Build/dtb
 435   ifndef BUILD_DTS_$(1)
 436   BUILD_DTS_$(1) := 1
 437   $(KDIR)/image-$(1).dtb: FORCE
 438         $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
 439
 440   image_prepare: $(KDIR)/image-$(1).dtb
 441   endif
 442
 443 endef
 444 endif
 445
 446 define Device/Build/kernel
 447   $$(eval $$(foreach dts,$$(DEVICE_DTS), \
 448         $$(call Device/Build/dtb,$$(notdir $$(dts)), \
 449                 $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)), \
 450                 $$(dts) \
 451         ) \
 452   ))
 453
 454   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 455   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 456   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
 457   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
 458         cp $$^ $$@
 459   ifndef IB
 460     ifdef CONFIG_IB
 461       install: $$(KDIR_KERNEL_IMAGE)
 462     endif
 463     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 464         @rm -f $$@
 465         $$(call concat_cmd,$$(KERNEL))
 466         $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
 467   endif
 468 endef
 469
 470 define Device/Build/image
 471   GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
 472   $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX)
 473   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 474   ROOTFS/$(1)/$(3) := \
 475         $(KDIR)/root.$(1)$$(strip \
 476                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
 477         )$$(strip \
 478                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
 479         )
 480   ifndef IB
 481     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
 482   endif
 483   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
 484         @rm -f $$@
 485         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 486         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 487
 488   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 489
 490   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 491         gzip -c -9n $$^ > $$@
 492
 493   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 494         cp $$^ $$@
 495
 496 endef
 497
 498 define Device/Build
 499   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 500   $(call Device/Build/kernel,$(1))
 501
 502   $$(eval $$(foreach compile,$$(COMPILE), \
 503     $$(call Device/Build/compile,$$(compile),$(1))))
 504
 505   $$(eval $$(foreach image,$$(IMAGES), \
 506     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 507       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 508 endef
 509
 510 define Device/DumpInfo
 511 Target-Profile: DEVICE_$(1)
 512 Target-Profile-Name: $(DEVICE_TITLE)
 513 Target-Profile-Packages: $(DEVICE_PACKAGES)
 514 Target-Profile-Description:
 515 $(DEVICE_DESCRIPTION)
 516 @@
 517
 518 endef
 519
 520 define Device/Dump
 521 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 522 endef
 523
 524 define Device
 525   $(call Device/InitProfile,$(1))
 526   $(call Device/Init,$(1))
 527   $(call Device/Default,$(1))
 528   $(call Device/$(1),$(1))
 529   $(call Device/Check,$(1))
 530   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 531
 532 endef
 533
 534 define BuildImage
 535
 536   ifneq ($(DUMP),)
 537     all: dumpinfo
 538     dumpinfo: FORCE
 539         @true
 540   endif
 541
 542   download:
 543   prepare:
 544   compile:
 545   clean:
 546   legacy-images-prepare:
 547   legacy-images:
 548   image_prepare:
 549
 550   ifeq ($(IB),)
 551     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
 552     compile:
 553                 $(call Build/Compile)
 554
 555     clean:
 556                 $(call Build/Clean)
 557
 558     image_prepare: compile
 559                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 560                 $(call Image/Prepare)
 561
 562     legacy-images-prepare-make: image_prepare
 563                 $(MAKE) legacy-images-prepare
 564
 565   else
 566     image_prepare:
 567                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 568   endif
 569
 570   kernel_prepare: image_prepare
 571         $(call Image/Build/targz)
 572         $(call Image/Build/cpiogz)
 573         $(call Image/BuildKernel)
 574         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 575         $(call Image/InstallKernel)
 576
 577   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 578   $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
 579
 580   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 581         $(foreach fs,$(TARGET_FILESYSTEMS),
 582                 $(call Image/Build,$(fs))
 583         )
 584
 585   legacy-images-make: install-images
 586         $(call Image/mkfs/ubifs/legacy)
 587         $(MAKE) legacy-images
 588
 589   install: install-images
 590         $(call Image/Manifest)
 591
 592 endef