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
  22 ifdef TARGET_PER_DEVICE_ROOTFS
  23   include $(INCLUDE_DIR)/rootfs.mk
  24 endif
  25
  26 override MAKE:=$(_SINGLE)$(SUBMAKE)
  27 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  28
  29 target_params = $(subst +,$(space),$*)
  30 param_get = $(patsubst $(1)=%,%,$(filter $(1)=%,$(2)))
  31 param_get_default = $(firstword $(call param_get,$(1),$(2)) $(3))
  32 param_mangle = $(subst $(space),_,$(strip $(1)))
  33 param_unmangle = $(subst _,$(space),$(1))
  34
  35 mkfs_packages_id = $(shell echo $(sort $(1)) | mkhash md5 | head -c 8)
  36 mkfs_target_dir = $(if $(call param_get,pkg,$(1)),$(KDIR)/target-dir-$(call param_get,pkg,$(1)),$(TARGET_DIR))
  37
  38 KDIR=$(KERNEL_BUILD_DIR)
  39 KDIR_TMP=$(KDIR)/tmp
  40 DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
  41
  42 IMG_PREFIX_EXTRA:=$(if $(EXTRA_IMAGE_NAME),$(call sanitize,$(EXTRA_IMAGE_NAME))-)
  43 IMG_PREFIX_VERNUM:=$(if $(CONFIG_VERSION_FILENAMES),$(call sanitize,$(VERSION_NUMBER))-)
  44 IMG_PREFIX_VERCODE:=$(if $(CONFIG_VERSION_CODE_FILENAMES),$(call sanitize,$(VERSION_CODE))-)
  45
  46 IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(IMG_PREFIX_VERNUM)$(IMG_PREFIX_VERCODE)$(IMG_PREFIX_EXTRA)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  47
  48 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  49
  50 ifneq ($(CONFIG_BIG_ENDIAN),)
  51   JFFS2OPTS     :=  --big-endian --squash-uids -v
  52 else
  53   JFFS2OPTS     :=  --little-endian --squash-uids -v
  54 endif
  55
  56 ifeq ($(CONFIG_JFFS2_RTIME),y)
  57   JFFS2OPTS += -X rtime
  58 endif
  59 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  60   JFFS2OPTS += -X zlib
  61 endif
  62 ifeq ($(CONFIG_JFFS2_LZMA),y)
  63   JFFS2OPTS += -X lzma --compression-mode=size
  64 endif
  65 ifneq ($(CONFIG_JFFS2_RTIME),y)
  66   JFFS2OPTS += -x rtime
  67 endif
  68 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  69   JFFS2OPTS += -x zlib
  70 endif
  71 ifneq ($(CONFIG_JFFS2_LZMA),y)
  72   JFFS2OPTS += -x lzma
  73 endif
  74
  75 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  76
  77 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  78 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  79 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  80 SQUASHFSCOMP := gzip
  81 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  82 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  83   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  84     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  85   endif
  86   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  87 endif
  88
  89 JFFS2_BLOCKSIZE ?= 64k 128k
  90
  91 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  92 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  93 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  94 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  95 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  96 fs-types-$(CONFIG_TARGET_ROOTFS_UBIFS) += ubifs
  97 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  98
  99 TARGET_FILESYSTEMS := $(fs-types-y)
 100
 101 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
 102 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
 103 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
 104
 105 define add_jffs2_mark
 106         echo -ne '\xde\xad\xc0\xde' >> $(1)
 107 endef
 108
 109 PROFILE_SANITIZED := $(call sanitize,$(PROFILE))
 110
 111 define split_args
 112 $(foreach data, \
 113         $(subst |,$(space),\
 114                 $(subst $(space),^,$(1))), \
 115         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
 116 endef
 117
 118 define build_cmd
 119 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 120 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 121
 122 endef
 123
 124 define concat_cmd
 125 $(call split_args,$(1),build_cmd)
 126 endef
 127
 128 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 129 define prepare_generic_squashfs
 130         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 131 endef
 132
 133 define Image/BuildKernel/Initramfs
 134         $(call Image/Build/Initramfs)
 135 endef
 136
 137 define Image/BuildKernel/MkuImage
 138         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 139                 -n '$(call toupper,$(ARCH)) LEDE Linux-$(LINUX_VERSION)' -d $(4) $(5)
 140 endef
 141
 142 define Image/BuildKernel/MkFIT
 143         $(TOPDIR)/scripts/mkits.sh \
 144                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 145                 -A $(LINUX_KARCH) -v $(LINUX_VERSION)
 146         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 147 endef
 148
 149 ifdef CONFIG_TARGET_IMAGES_GZIP
 150   define Image/Gzip
 151         rm -f $(1).gz
 152         gzip -9n $(1)
 153   endef
 154 endif
 155
 156 # $(1) source dts file
 157 # $(2) target dtb file
 158 # $(3) extra CPP flags
 159 # $(4) extra DTC flags
 160 define Image/BuildDTB
 161         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 162                 -I$(DTS_DIR) \
 163                 -I$(DTS_DIR)/include \
 164                 -I$(LINUX_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 # $(4): compat string
 215 ifneq ($(CONFIG_NAND_SUPPORT),)
 216    define Image/Build/SysupgradeNAND
 217         mkdir -p "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/"
 218         echo "BOARD=$(if $(4),$(4),$(1))" > "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/CONTROL"
 219         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/root"
 220         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/kernel"
 221         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 222                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(if $(4),$(4),$(1)) \
 223                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 224         )
 225    endef
 226
 227 # $(1) board name
 228 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 229 # $(3) rootfstype (e.g. squashfs or ubifs)
 230 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 231    define Image/Build/UbinizeImage
 232         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 233                 "$(KDIR)/root.$(3)" \
 234                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 235                 $(4)
 236    endef
 237
 238 endif
 239
 240 define Image/mkfs/ubifs
 241         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 242                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
 243                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 244                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--compr=none) \
 245                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--compr=lzo) \
 246                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--compr=zlib) \
 247                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 248                 --squash-uids \
 249                 -o $@ -d $(call mkfs_target_dir,$(1))
 250 endef
 251
 252 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 253
 254 define Image/mkfs/ext4
 255         $(STAGING_DIR_HOST)/bin/make_ext4fs \
 256                 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 257                 $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
 258                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 259                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 260                 $@ $(call mkfs_target_dir,$(1))/
 261 endef
 262
 263 define Image/Manifest
 264         $(STAGING_DIR_HOST)/bin/opkg \
 265                 --offline-root $(TARGET_DIR) \
 266                 --add-arch all:100 \
 267                 --add-arch $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD)):200 list-installed > \
 268                 $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 269 endef
 270
 271 ifdef CONFIG_TARGET_ROOTFS_TARGZ
 272   define Image/Build/targz
 273         $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \
 274                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 275                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 276   endef
 277 endif
 278
 279 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
 280   define Image/Build/cpiogz
 281         ( cd $(TARGET_DIR); find . | cpio -o -H newc -R root:root | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 282   endef
 283 endif
 284
 285 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
 286 mkfs_packages_add = $(filter-out -%,$(mkfs_packages))
 287 mkfs_packages_remove = $(patsubst -%,%,$(filter -%,$(mkfs_packages)))
 288 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 289
 290 opkg_target = \
 291         $(call opkg,$(mkfs_cur_target_dir)) \
 292                 -f $(mkfs_cur_target_dir).conf
 293
 294 target-dir-%: FORCE
 295         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
 296         $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
 297         -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
 298         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
 299         $(if $(mkfs_packages_remove), \
 300                 -$(call opkg,$(mkfs_cur_target_dir)) remove \
 301                         $(mkfs_packages_remove))
 302         $(if $(call opkg_package_files,$(mkfs_packages_add)), \
 303                 $(opkg_target) update && \
 304                 $(opkg_target) install \
 305                         $(call opkg_package_files,$(mkfs_packages_add)))
 306         $(call prepare_rootfs,$(mkfs_cur_target_dir))
 307         -mv $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir)/etc/opkg
 308         rm -f $(mkfs_cur_target_dir).conf
 309
 310 $(KDIR)/root.%: kernel_prepare
 311         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
 312
 313 define Device/InitProfile
 314   PROFILES := $(PROFILE)
 315   DEVICE_TITLE :=
 316   DEVICE_PACKAGES :=
 317   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 318 endef
 319
 320 define Device/Init
 321   DEVICE_NAME := $(1)
 322   KERNEL:=
 323   KERNEL_INITRAMFS = $$(KERNEL)
 324   KERNEL_SIZE:=
 325   CMDLINE:=
 326
 327   IMAGES :=
 328   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 329   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 330   KERNEL_PREFIX = $$(IMAGE_PREFIX)
 331   KERNEL_SUFFIX := -kernel.bin
 332   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 333   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 334   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 335   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 336   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 337   KERNEL_INSTALL :=
 338   KERNEL_NAME := vmlinux
 339   KERNEL_DEPENDS :=
 340   KERNEL_SIZE :=
 341
 342   UBOOTENV_IN_UBI :=
 343   KERNEL_IN_UBI :=
 344   BLOCKSIZE :=
 345   PAGESIZE :=
 346   SUBPAGESIZE :=
 347   VID_HDR_OFFSET :=
 348   UBINIZE_OPTS :=
 349   UBINIZE_PARTS :=
 350   MKUBIFS_OPTS :=
 351
 352   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 353
 354   DEVICE_DTS :=
 355   DEVICE_DTS_DIR :=
 356
 357   BOARD_NAME :=
 358   UIMAGE_NAME :=
 359   SUPPORTED_DEVICES :=
 360   IMAGE_METADATA :=
 361
 362   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 363 endef
 364
 365 DEFAULT_DEVICE_VARS := \
 366   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_SIZE KERNEL_INITRAMFS_IMAGE \
 367   KERNEL_LOADADDR DEVICE_DTS DEVICE_DTS_DIR BOARD_NAME CMDLINE \
 368   UBOOTENV_IN_UBI KERNEL_IN_UBI \
 369   BLOCKSIZE PAGESIZE SUBPAGESIZE VID_HDR_OFFSET \
 370   UBINIZE_OPTS UIMAGE_NAME UBINIZE_PARTS \
 371   SUPPORTED_DEVICES IMAGE_METADATA
 372
 373 define Device/ExportVar
 374   $(1) : $(2):=$$($(2))
 375
 376 endef
 377 define Device/Export
 378   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 379   $(1) : FILESYSTEM:=$(2)
 380 endef
 381
 382 ifdef IB
 383   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 384 else
 385   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 386 endif
 387
 388 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 389
 390 define merge_packages
 391   $(1) :=
 392   $(foreach pkg,$(2),
 393     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 394   )
 395 endef
 396
 397 define Device/Check/Common
 398   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 399   ifdef TARGET_PER_DEVICE_ROOTFS
 400     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 401     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 402     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 403   endif
 404 endef
 405
 406 define Device/Check
 407   $(Device/Check/Common)
 408   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 409   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 410   ifndef IB
 411     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 412   endif
 413 endef
 414
 415 ifndef IB
 416 define Device/Build/initramfs
 417   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 418   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 419
 420   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 421   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 422         cp $$^ $$@
 423
 424   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 425         @rm -f $$@
 426         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 427 endef
 428 endif
 429
 430 define Device/Build/compile
 431   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 432   $(eval $(call Device/Export,$(KDIR)/$(1)))
 433   $(KDIR)/$(1):
 434         $$(call concat_cmd,$(COMPILE/$(1)))
 435
 436 endef
 437
 438 ifndef IB
 439 define Device/Build/dtb
 440   $(KDIR)/image-$(1).dtb: FORCE
 441         $(call Image/BuildDTB,$(strip $(2))/$(1).dts,$$@)
 442
 443   image_prepare: $(KDIR)/image-$(1).dtb
 444 endef
 445 endif
 446
 447 define Device/Build/kernel
 448   $$(eval $$(foreach dts,$$(DEVICE_DTS), \
 449         $$(call Device/Build/dtb,$$(dts), \
 450                 $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)) \
 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