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 | cut -b1-8)
  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 IMG_ROOTFS:=$(IMG_PREFIX)-rootfs
  46 IMG_COMBINED:=$(IMG_PREFIX)-combined
  47 IMG_PART_SIGNATURE:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | cut -b1-8)
  48 IMG_PART_DISKGUID:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | sed -E 's/(.{8})(.{4})(.{4})(.{4})(.{10})../\1-\2-\3-\4-\500/')
  49
  50 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  51
  52 ifneq ($(CONFIG_BIG_ENDIAN),)
  53   JFFS2OPTS     :=  --big-endian --squash-uids -v
  54 else
  55   JFFS2OPTS     :=  --little-endian --squash-uids -v
  56 endif
  57
  58 ifeq ($(CONFIG_JFFS2_RTIME),y)
  59   JFFS2OPTS += -X rtime
  60 endif
  61 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  62   JFFS2OPTS += -X zlib
  63 endif
  64 ifeq ($(CONFIG_JFFS2_LZMA),y)
  65   JFFS2OPTS += -X lzma --compression-mode=size
  66 endif
  67 ifneq ($(CONFIG_JFFS2_RTIME),y)
  68   JFFS2OPTS += -x rtime
  69 endif
  70 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  71   JFFS2OPTS += -x zlib
  72 endif
  73 ifneq ($(CONFIG_JFFS2_LZMA),y)
  74   JFFS2OPTS += -x lzma
  75 endif
  76
  77 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  78
  79 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  80 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  81 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  82 SQUASHFSCOMP := gzip
  83 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  84 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  85   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  86     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  87   endif
  88   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  89 endif
  90
  91 JFFS2_BLOCKSIZE ?= 64k 128k
  92
  93 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  94 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  95 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  96 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  97 fs-types-$(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 := $(call tolower,$(subst DEVICE_,,$(subst $(space),-,$(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)) $(VERSION_DIST) Linux-$(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                 -c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config@1") \
 147                 -A $(LINUX_KARCH) -v $(LINUX_VERSION)
 148         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 149 endef
 150
 151 ifdef CONFIG_TARGET_IMAGES_GZIP
 152   define Image/Gzip
 153         rm -f $(1).gz
 154         gzip -9n $(1)
 155   endef
 156 endif
 157
 158
 159 # Disable noisy checks by default as in upstream
 160 DTC_FLAGS += \
 161   -Wno-unit_address_vs_reg \
 162   -Wno-simple_bus_reg \
 163   -Wno-unit_address_format \
 164   -Wno-pci_bridge \
 165   -Wno-pci_device_bus_num \
 166   -Wno-pci_device_reg
 167 ifeq ($(strip $(call kernel_patchver_ge,4.17.0)),1)
 168   DTC_FLAGS += \
 169         -Wno-avoid_unnecessary_addr_size \
 170         -Wno-alias_paths
 171 endif
 172 ifeq ($(strip $(call kernel_patchver_ge,4.18.0)),1)
 173   DTC_FLAGS += \
 174         -Wno-graph_child_address \
 175         -Wno-graph_port \
 176         -Wno-unique_unit_address
 177 endif
 178
 179 define Image/pad-to
 180         dd if=$(1) of=$(1).new bs=$(2) conv=sync
 181         mv $(1).new $(1)
 182 endef
 183
 184 ROOTFS_PARTSIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 185
 186 define Image/pad-root-squashfs
 187         $(call Image/pad-to,$(KDIR)/root.squashfs,$(if $(1),$(1),$(ROOTFS_PARTSIZE)))
 188 endef
 189
 190 # $(1) source dts file
 191 # $(2) target dtb file
 192 # $(3) extra CPP flags
 193 # $(4) extra DTC flags
 194 define Image/BuildDTB
 195         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 196                 -I$(DTS_DIR) \
 197                 -I$(DTS_DIR)/include \
 198                 -I$(LINUX_DIR)/include/ \
 199                 -undef -D__DTS__ $(3) \
 200                 -o $(2).tmp $(1)
 201         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 202                 -i$(dir $(1)) $(DTC_FLAGS) $(4) \
 203                 -o $(2) $(2).tmp
 204         $(RM) $(2).tmp
 205 endef
 206
 207 define Image/mkfs/jffs2/sub-raw
 208         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 209                 $(2) \
 210                 -e $(patsubst %k,%KiB,$(1)) \
 211                 -o $@ -d $(call mkfs_target_dir,$(3)) \
 212                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 213 endef
 214
 215 define Image/mkfs/jffs2/sub
 216         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
 217         $(call add_jffs2_mark,$@)
 218 endef
 219
 220 define Image/mkfs/jffs2/template
 221   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
 222   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 223
 224 endef
 225
 226 define Image/mkfs/jffs2-nand/template
 227   Image/mkfs/jffs2-nand-$(1) = \
 228         $$(call Image/mkfs/jffs2/sub, \
 229                 $(word 2,$(subst -, ,$(1))), \
 230                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 231
 232 endef
 233
 234 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 235 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 236
 237 define Image/mkfs/squashfs-common
 238         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 239                 -nopad -noappend -root-owned \
 240                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
 241                 -processors 1
 242 endef
 243
 244 ifeq ($(CONFIG_TARGET_ROOTFS_SECURITY_LABELS),y)
 245 define Image/mkfs/squashfs
 246         echo "LD_LIBRARY_PATH=\$$LD_LIBRARY_PATH:$(STAGING_DIR_HOSTPKG)/lib" \
 247              "$(STAGING_DIR_HOSTPKG)/sbin/setfiles -r" \
 248              "$(call mkfs_target_dir,$(1))" \
 249              "$(call mkfs_target_dir,$(1))/etc/selinux/targeted/contexts/files/file_contexts " \
 250              "$(call mkfs_target_dir,$(1))" > $@.fakeroot-script
 251         echo "$(Image/mkfs/squashfs-common)" >> $@.fakeroot-script
 252         chmod +x $@.fakeroot-script
 253         $(FAKEROOT) "$@.fakeroot-script"
 254 endef
 255 else
 256 define Image/mkfs/squashfs
 257         $(call Image/mkfs/squashfs-common,$(1))
 258 endef
 259 endif
 260
 261 # $(1): board name
 262 # $(2): rootfs type
 263 # $(3): kernel image
 264 # $(4): compat string
 265 ifneq ($(CONFIG_NAND_SUPPORT),)
 266    define Image/Build/SysupgradeNAND
 267         mkdir -p "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/"
 268         echo "BOARD=$(if $(4),$(4),$(1))" > "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/CONTROL"
 269         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/root"
 270         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(if $(4),$(4),$(1))/kernel"
 271         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 272                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(if $(4),$(4),$(1)) \
 273                         $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 274         )
 275    endef
 276
 277 # $(1) board name
 278 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 279 # $(3) rootfstype (e.g. squashfs or ubifs)
 280 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 281    define Image/Build/UbinizeImage
 282         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 283                 "$(KDIR)/root.$(3)" \
 284                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 285                 $(4)
 286    endef
 287
 288 endif
 289
 290 define Image/mkfs/ubifs
 291         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 292                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
 293                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 294                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--compr=none) \
 295                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--compr=lzo) \
 296                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--compr=zlib) \
 297                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 298                 --squash-uids \
 299                 -o $@ -d $(call mkfs_target_dir,$(1))
 300 endef
 301
 302 define Image/mkfs/ext4
 303         $(STAGING_DIR_HOST)/bin/make_ext4fs -L rootfs \
 304                 -l $(ROOTFS_PARTSIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 305                 $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
 306                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 307                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 308                 $@ $(call mkfs_target_dir,$(1))/
 309 endef
 310
 311 define Image/Manifest
 312         $(call opkg,$(TARGET_DIR_ORIG)) list-installed > \
 313                 $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 314 endef
 315
 316 define Image/gzip-ext4-padded-squashfs
 317
 318   define Image/Build/squashfs
 319     $(call Image/pad-root-squashfs)
 320   endef
 321
 322   ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
 323     define Image/Build/gzip/ext4
 324       $(call Image/Build/gzip,ext4)
 325     endef
 326     define Image/Build/gzip/squashfs
 327       $(call Image/Build/gzip,squashfs)
 328     endef
 329   endif
 330
 331 endef
 332
 333 ifdef CONFIG_TARGET_ROOTFS_TARGZ
 334   define Image/Build/targz
 335         $(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
 336                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 337                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 338   endef
 339 endif
 340
 341 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
 342   define Image/Build/cpiogz
 343         ( cd $(TARGET_DIR); find . | cpio -o -H newc -R root:root | gzip -9n >$(BIN_DIR)/$(IMG_ROOTFS).cpio.gz )
 344   endef
 345 endif
 346
 347 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
 348 mkfs_packages_add = $(foreach pkg,$(filter-out -%,$(mkfs_packages)),$(pkg)$(call GetABISuffix,$(pkg)))
 349 mkfs_packages_remove = $(foreach pkg,$(patsubst -%,%,$(filter -%,$(mkfs_packages))),$(pkg)$(call GetABISuffix,$(pkg)))
 350 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 351
 352 opkg_target = \
 353         $(call opkg,$(mkfs_cur_target_dir)) \
 354                 -f $(mkfs_cur_target_dir).conf
 355
 356 target-dir-%: FORCE
 357         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
 358         $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
 359         -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
 360         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
 361         $(if $(mkfs_packages_remove), \
 362                 -$(call opkg,$(mkfs_cur_target_dir)) remove \
 363                         $(mkfs_packages_remove))
 364         $(if $(call opkg_package_files,$(mkfs_packages_add)), \
 365                 $(opkg_target) update && \
 366                 $(opkg_target) install \
 367                         $(call opkg_package_files,$(mkfs_packages_add)))
 368         -$(CP) -T $(mkfs_cur_target_dir).opkg/ $(mkfs_cur_target_dir)/etc/opkg/
 369         rm -rf $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir).conf
 370         $(call prepare_rootfs,$(mkfs_cur_target_dir),$(TOPDIR)/files)
 371
 372 $(KDIR)/root.%: kernel_prepare
 373         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
 374
 375 define Device/InitProfile
 376   PROFILES := $(PROFILE)
 377   DEVICE_TITLE = $$(DEVICE_VENDOR) $$(DEVICE_MODEL)$$(if $$(DEVICE_VARIANT), $$(DEVICE_VARIANT))
 378   DEVICE_ALT0_TITLE = $$(DEVICE_ALT0_VENDOR) $$(DEVICE_ALT0_MODEL)$$(if $$(DEVICE_ALT0_VARIANT), $$(DEVICE_ALT0_VARIANT))
 379   DEVICE_ALT1_TITLE = $$(DEVICE_ALT1_VENDOR) $$(DEVICE_ALT1_MODEL)$$(if $$(DEVICE_ALT1_VARIANT), $$(DEVICE_ALT1_VARIANT))
 380   DEVICE_ALT2_TITLE = $$(DEVICE_ALT2_VENDOR) $$(DEVICE_ALT2_MODEL)$$(if $$(DEVICE_ALT2_VARIANT), $$(DEVICE_ALT2_VARIANT))
 381   DEVICE_VENDOR :=
 382   DEVICE_MODEL :=
 383   DEVICE_VARIANT :=
 384   DEVICE_ALT0_VENDOR :=
 385   DEVICE_ALT0_MODEL :=
 386   DEVICE_ALT0_VARIANT :=
 387   DEVICE_ALT1_VENDOR :=
 388   DEVICE_ALT1_MODEL :=
 389   DEVICE_ALT1_VARIANT :=
 390   DEVICE_ALT2_VENDOR :=
 391   DEVICE_ALT2_MODEL :=
 392   DEVICE_ALT2_VARIANT :=
 393   DEVICE_PACKAGES :=
 394   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 395 endef
 396
 397 define Device/Init
 398   DEVICE_NAME := $(1)
 399   KERNEL:=
 400   KERNEL_INITRAMFS = $$(KERNEL)
 401   CMDLINE:=
 402
 403   IMAGES :=
 404   ARTIFACTS :=
 405   IMAGE_PREFIX := $(IMG_PREFIX)-$(1)
 406   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 407   IMAGE_SIZE :=
 408   KERNEL_PREFIX = $$(IMAGE_PREFIX)
 409   KERNEL_SUFFIX := -kernel.bin
 410   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 411   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 412   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 413   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 414   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 415   KERNEL_INSTALL :=
 416   KERNEL_NAME := vmlinux
 417   KERNEL_DEPENDS :=
 418   KERNEL_SIZE :=
 419
 420   UBOOTENV_IN_UBI :=
 421   KERNEL_IN_UBI :=
 422   BLOCKSIZE :=
 423   PAGESIZE :=
 424   SUBPAGESIZE :=
 425   VID_HDR_OFFSET :=
 426   UBINIZE_OPTS :=
 427   UBINIZE_PARTS :=
 428   MKUBIFS_OPTS :=
 429
 430   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 431
 432   DEVICE_DTS :=
 433   DEVICE_DTS_CONFIG :=
 434   DEVICE_DTS_DIR :=
 435   SOC :=
 436
 437   BOARD_NAME :=
 438   UIMAGE_NAME :=
 439   DEVICE_COMPAT_VERSION := 1.0
 440   DEVICE_COMPAT_MESSAGE :=
 441   SUPPORTED_DEVICES :=
 442   IMAGE_METADATA :=
 443
 444   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 445
 446   UBOOT_PATH :=  $(STAGING_DIR_IMAGE)/uboot-$(1)
 447
 448   BROKEN :=
 449   DEFAULT :=
 450 endef
 451
 452 DEFAULT_DEVICE_VARS := \
 453   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE KERNEL_SIZE \
 454   CMDLINE UBOOTENV_IN_UBI KERNEL_IN_UBI BLOCKSIZE PAGESIZE SUBPAGESIZE \
 455   VID_HDR_OFFSET UBINIZE_OPTS UBINIZE_PARTS MKUBIFS_OPTS DEVICE_DTS \
 456   DEVICE_DTS_CONFIG DEVICE_DTS_DIR SOC BOARD_NAME UIMAGE_NAME SUPPORTED_DEVICES \
 457   IMAGE_METADATA KERNEL_ENTRY KERNEL_LOADADDR UBOOT_PATH IMAGE_SIZE \
 458   DEVICE_COMPAT_VERSION DEVICE_COMPAT_MESSAGE \
 459   DEVICE_VENDOR DEVICE_MODEL DEVICE_VARIANT \
 460   DEVICE_ALT0_VENDOR DEVICE_ALT0_MODEL DEVICE_ALT0_VARIANT \
 461   DEVICE_ALT1_VENDOR DEVICE_ALT1_MODEL DEVICE_ALT1_VARIANT \
 462   DEVICE_ALT2_VENDOR DEVICE_ALT2_MODEL DEVICE_ALT2_VARIANT
 463
 464 define Device/ExportVar
 465   $(1) : $(2):=$$($(2))
 466
 467 endef
 468 define Device/Export
 469   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 470   $(1) : FILESYSTEM:=$(2)
 471 endef
 472
 473 ifdef IB
 474   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 475 else
 476   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 477 endif
 478
 479 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 480
 481 define merge_packages
 482   $(1) :=
 483   $(foreach pkg,$(2),
 484     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 485   )
 486 endef
 487
 488 define Device/Check/Common
 489   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 490   DEVICE_PACKAGES += $$(call extra_packages,$$(DEVICE_PACKAGES))
 491   ifdef TARGET_PER_DEVICE_ROOTFS
 492     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 493     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 494     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 495   endif
 496 endef
 497
 498 define Device/Check
 499   $(Device/Check/Common)
 500   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 501   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 502   ifndef IB
 503     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 504   endif
 505 endef
 506
 507 ifndef IB
 508 define Device/Build/initramfs
 509   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 510   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 511
 512   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 513   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 514         cp $$^ $$@
 515
 516   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 517         @rm -f $$@
 518         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 519 endef
 520 endif
 521
 522 define Device/Build/compile
 523   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 524   $(eval $(call Device/Export,$(KDIR)/$(1)))
 525   $(KDIR)/$(1):
 526         $$(call concat_cmd,$(COMPILE/$(1)))
 527
 528 endef
 529
 530 ifndef IB
 531 define Device/Build/dtb
 532   ifndef BUILD_DTS_$(1)
 533   BUILD_DTS_$(1) := 1
 534   $(KDIR)/image-$(1).dtb: FORCE
 535         $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
 536
 537   image_prepare: $(KDIR)/image-$(1).dtb
 538   endif
 539
 540 endef
 541 endif
 542
 543 define Device/Build/kernel
 544   $$(eval $$(foreach dts,$$(DEVICE_DTS), \
 545         $$(call Device/Build/dtb,$$(notdir $$(dts)), \
 546                 $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)), \
 547                 $$(dts) \
 548         ) \
 549   ))
 550
 551   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 552   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 553   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
 554   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
 555         cp $$^ $$@
 556   ifndef IB
 557     ifdef CONFIG_IB
 558       install: $$(KDIR_KERNEL_IMAGE)
 559     endif
 560     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 561         @rm -f $$@
 562         $$(call concat_cmd,$$(KERNEL))
 563         $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
 564   endif
 565 endef
 566
 567 define Device/Build/image
 568   GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
 569   $$(_TARGET): $(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
 570           $(BUILD_DIR)/json_info_files/$(call IMAGE_NAME,$(1),$(2)).json, \
 571           $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX))
 572   $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1)))
 573
 574   ROOTFS/$(1)/$(3) := \
 575         $(KDIR)/root.$(1)$$(strip \
 576                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
 577         )$$(strip \
 578                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
 579         )
 580   ifndef IB
 581     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
 582   endif
 583   $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
 584         @rm -f $$@
 585         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 586         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 587
 588   .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))
 589
 590   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 591         gzip -c -9n $$^ > $$@
 592
 593   $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2))
 594         cp $$^ $$@
 595
 596   $(BUILD_DIR)/json_info_files/$(call IMAGE_NAME,$(1),$(2)).json: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2))$$(GZ_SUFFIX)
 597         @mkdir -p $$(shell dirname $$@)
 598         DEVICE_ID="$(DEVICE_NAME)" \
 599         BIN_DIR="$(BIN_DIR)" \
 600         IMAGE_NAME="$(IMAGE_NAME)" \
 601         IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
 602         IMAGE_PREFIX="$(IMAGE_PREFIX)" \
 603         DEVICE_VENDOR="$(DEVICE_VENDOR)" \
 604         DEVICE_MODEL="$(DEVICE_MODEL)" \
 605         DEVICE_VARIANT="$(DEVICE_VARIANT)" \
 606         DEVICE_ALT0_VENDOR="$(DEVICE_ALT0_VENDOR)" \
 607         DEVICE_ALT0_MODEL="$(DEVICE_ALT0_MODEL)" \
 608         DEVICE_ALT0_VARIANT="$(DEVICE_ALT0_VARIANT)" \
 609         DEVICE_ALT1_VENDOR="$(DEVICE_ALT1_VENDOR)" \
 610         DEVICE_ALT1_MODEL="$(DEVICE_ALT1_MODEL)" \
 611         DEVICE_ALT1_VARIANT="$(DEVICE_ALT1_VARIANT)" \
 612         DEVICE_ALT2_VENDOR="$(DEVICE_ALT2_VENDOR)" \
 613         DEVICE_ALT2_MODEL="$(DEVICE_ALT2_MODEL)" \
 614         DEVICE_ALT2_VARIANT="$(DEVICE_ALT2_VARIANT)" \
 615         DEVICE_TITLE="$(DEVICE_TITLE)" \
 616         DEVICE_PACKAGES="$(DEVICE_PACKAGES)" \
 617         TARGET="$(BOARD)" \
 618         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 619         VERSION_NUMBER="$(VERSION_NUMBER)" \
 620         VERSION_CODE="$(VERSION_CODE)" \
 621         SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
 622         $(TOPDIR)/scripts/json_add_image_info.py $$@
 623
 624 endef
 625
 626 define Device/Build/artifact
 627   $$(_TARGET): $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
 628   $(eval $(call Device/Export,$(KDIR)/tmp/$(IMAGE_PREFIX)-$(1)))
 629   $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1): $$(KDIR_KERNEL_IMAGE)
 630         @rm -f $$@
 631         $$(call concat_cmd,$(ARTIFACT/$(1)))
 632
 633   .IGNORE: $(BIN_DIR)/$(IMAGE_PREFIX)-$(1)
 634
 635   $(BIN_DIR)/$(IMAGE_PREFIX)-$(1): $(KDIR)/tmp/$(IMAGE_PREFIX)-$(1)
 636         cp $$^ $$@
 637
 638 endef
 639
 640 define Device/Build
 641   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 642   $(call Device/Build/kernel,$(1))
 643
 644   $$(eval $$(foreach compile,$$(COMPILE), \
 645     $$(call Device/Build/compile,$$(compile),$(1))))
 646
 647   $$(eval $$(foreach image,$$(IMAGES), \
 648     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 649       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 650
 651   $$(eval $$(foreach artifact,$$(ARTIFACTS), \
 652     $$(call Device/Build/artifact,$$(artifact))))
 653
 654 endef
 655
 656 define Device/DumpInfo
 657 Target-Profile: DEVICE_$(1)
 658 Target-Profile-Name: $(DEVICE_DISPLAY)
 659 Target-Profile-Packages: $(DEVICE_PACKAGES)
 660 Target-Profile-hasImageMetadata: $(if $(foreach image,$(IMAGES),$(findstring append-metadata,$(IMAGE/$(image)))),1,0)
 661 Target-Profile-SupportedDevices: $(SUPPORTED_DEVICES)
 662 $(if $(BROKEN),Target-Profile-Broken: $(BROKEN))
 663 $(if $(DEFAULT),Target-Profile-Default: $(DEFAULT))
 664 Target-Profile-Description:
 665 $(DEVICE_DESCRIPTION)
 666 $(if $(strip $(DEVICE_ALT0_TITLE)),Alternative device titles:
 667 - $(DEVICE_ALT0_TITLE))
 668 $(if $(strip $(DEVICE_ALT1_TITLE)),- $(DEVICE_ALT1_TITLE))
 669 $(if $(strip $(DEVICE_ALT2_TITLE)),- $(DEVICE_ALT2_TITLE))
 670 @@
 671
 672 endef
 673
 674 define Device/Dump
 675 ifneq ($$(strip $$(DEVICE_ALT0_TITLE)),)
 676 DEVICE_DISPLAY = $$(DEVICE_ALT0_TITLE) ($$(DEVICE_TITLE))
 677 $$(info $$(call Device/DumpInfo,$(1)))
 678 endif
 679 ifneq ($$(strip $$(DEVICE_ALT1_TITLE)),)
 680 DEVICE_DISPLAY = $$(DEVICE_ALT1_TITLE) ($$(DEVICE_TITLE))
 681 $$(info $$(call Device/DumpInfo,$(1)))
 682 endif
 683 ifneq ($$(strip $$(DEVICE_ALT2_TITLE)),)
 684 DEVICE_DISPLAY = $$(DEVICE_ALT2_TITLE) ($$(DEVICE_TITLE))
 685 $$(info $$(call Device/DumpInfo,$(1)))
 686 endif
 687 DEVICE_DISPLAY = $$(DEVICE_TITLE)
 688 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 689 endef
 690
 691 define Device
 692   $(call Device/InitProfile,$(1))
 693   $(call Device/Init,$(1))
 694   $(call Device/Default,$(1))
 695   $(call Device/$(1),$(1))
 696   $(call Device/Check,$(1))
 697   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 698
 699 endef
 700
 701 define BuildImage
 702
 703   ifneq ($(DUMP),)
 704     all: dumpinfo
 705     dumpinfo: FORCE
 706         @true
 707   endif
 708
 709   download:
 710   prepare:
 711   compile:
 712   clean:
 713   legacy-images-prepare:
 714   legacy-images:
 715   image_prepare:
 716
 717   ifeq ($(IB),)
 718     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
 719     compile:
 720                 $(call Build/Compile)
 721
 722     clean:
 723                 $(call Build/Clean)
 724
 725     image_prepare: compile
 726                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 727                 rm -rf $(BUILD_DIR)/json_info_files
 728                 $(call Image/Prepare)
 729
 730     legacy-images-prepare-make: image_prepare
 731                 $(MAKE) legacy-images-prepare BIN_DIR="$(BIN_DIR)"
 732
 733   else
 734     image_prepare:
 735                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 736   endif
 737
 738   kernel_prepare: image_prepare
 739         $(call Image/Build/targz)
 740         $(call Image/Build/cpiogz)
 741         $(call Image/BuildKernel)
 742         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 743         $(call Image/InstallKernel)
 744
 745   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 746   $(foreach device,$(LEGACY_DEVICES),$(call LegacyDevice,$(device)))
 747
 748   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 749         $(foreach fs,$(TARGET_FILESYSTEMS),
 750                 $(call Image/Build,$(fs))
 751         )
 752
 753   legacy-images-make: install-images
 754         $(call Image/mkfs/ubifs/legacy)
 755         $(MAKE) legacy-images BIN_DIR="$(BIN_DIR)"
 756
 757   install: install-images
 758         $(call Image/Manifest)
 759
 760 endef