include/image.mk

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # Copyright (C) 2006-2020 OpenWrt.org
   4
   5 override TARGET_BUILD=
   6 include $(INCLUDE_DIR)/prereq.mk
   7 include $(INCLUDE_DIR)/kernel.mk
   8 include $(INCLUDE_DIR)/version.mk
   9 include $(INCLUDE_DIR)/image-commands.mk
  10
  11 ifndef IB
  12   ifdef CONFIG_TARGET_PER_DEVICE_ROOTFS
  13     TARGET_PER_DEVICE_ROOTFS := 1
  14   endif
  15 endif
  16
  17 include $(INCLUDE_DIR)/feeds.mk
  18 include $(INCLUDE_DIR)/rootfs.mk
  19
  20 override MAKE:=$(_SINGLE)$(SUBMAKE)
  21 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  22
  23 target_params = $(subst +,$(space),$*)
  24 param_get = $(patsubst $(1)=%,%,$(filter $(1)=%,$(2)))
  25 param_get_default = $(firstword $(call param_get,$(1),$(2)) $(3))
  26 param_mangle = $(subst $(space),_,$(strip $(1)))
  27 param_unmangle = $(subst _,$(space),$(1))
  28
  29 mkfs_packages_id = $(shell echo $(sort $(1)) | mkhash md5 | cut -b1-8)
  30 mkfs_target_dir = $(if $(call param_get,pkg,$(1)),$(KDIR)/target-dir-$(call param_get,pkg,$(1)),$(TARGET_DIR))
  31
  32 KDIR=$(KERNEL_BUILD_DIR)
  33 KDIR_TMP=$(KDIR)/tmp
  34 DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts
  35
  36 IMG_PREFIX_EXTRA:=$(if $(EXTRA_IMAGE_NAME),$(call sanitize,$(EXTRA_IMAGE_NAME))-)
  37 IMG_PREFIX_VERNUM:=$(if $(CONFIG_VERSION_FILENAMES),$(call sanitize,$(VERSION_NUMBER))-)
  38 IMG_PREFIX_VERCODE:=$(if $(CONFIG_VERSION_CODE_FILENAMES),$(call sanitize,$(VERSION_CODE))-)
  39
  40 IMG_PREFIX:=$(VERSION_DIST_SANITIZED)-$(IMG_PREFIX_VERNUM)$(IMG_PREFIX_VERCODE)$(IMG_PREFIX_EXTRA)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  41 IMG_ROOTFS:=$(IMG_PREFIX)-rootfs
  42 IMG_COMBINED:=$(IMG_PREFIX)-combined
  43 IMG_PART_SIGNATURE:=$(shell echo $(SOURCE_DATE_EPOCH)$(LINUX_VERMAGIC) | mkhash md5 | cut -b1-8)
  44 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/')
  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_UBIFS) += ubifs
  94 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  95
  96 TARGET_FILESYSTEMS := $(fs-types-y)
  97
  98 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
  99 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
 100 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
 101
 102 define add_jffs2_mark
 103         echo -ne '\xde\xad\xc0\xde' >> $(1)
 104 endef
 105
 106 PROFILE_SANITIZED := $(call tolower,$(subst DEVICE_,,$(subst $(space),-,$(PROFILE))))
 107
 108 define split_args
 109 $(foreach data, \
 110         $(subst |,$(space),\
 111                 $(subst $(space),^,$(1))), \
 112         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
 113 endef
 114
 115 define build_cmd
 116 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 117 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 118
 119 endef
 120
 121 define concat_cmd
 122 $(call split_args,$(1),build_cmd)
 123 endef
 124
 125 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 126 define prepare_generic_squashfs
 127         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 128 endef
 129
 130 define Image/BuildKernel/Initramfs
 131         $(call Image/Build/Initramfs)
 132 endef
 133
 134 define Image/BuildKernel/MkuImage
 135         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 136                 -n '$(call toupper,$(ARCH)) $(VERSION_DIST) Linux-$(LINUX_VERSION)' -d $(4) $(5)
 137 endef
 138
 139 define Image/BuildKernel/MkFIT
 140         $(TOPDIR)/scripts/mkits.sh \
 141                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \
 142                 -c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config@1") \
 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 $(1)
 151   endef
 152 endif
 153
 154
 155 # Disable noisy checks by default as in upstream
 156 DTC_FLAGS += \
 157   -Wno-unit_address_vs_reg \
 158   -Wno-simple_bus_reg \
 159   -Wno-unit_address_format \
 160   -Wno-pci_bridge \
 161   -Wno-pci_device_bus_num \
 162   -Wno-pci_device_reg \
 163   -Wno-avoid_unnecessary_addr_size \
 164   -Wno-alias_paths \
 165   -Wno-graph_child_address \
 166   -Wno-graph_port \
 167   -Wno-unique_unit_address
 168
 169 define Image/pad-to
 170         dd if=$(1) of=$(1).new bs=$(2) conv=sync
 171         mv $(1).new $(1)
 172 endef
 173
 174 ROOTFS_PARTSIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 175
 176 define Image/pad-root-squashfs
 177         $(call Image/pad-to,$(KDIR)/root.squashfs,$(if $(1),$(1),$(ROOTFS_PARTSIZE)))
 178 endef
 179
 180 # $(1) source dts file
 181 # $(2) target dtb file
 182 # $(3) extra CPP flags
 183 # $(4) extra DTC flags
 184 define Image/BuildDTB
 185         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 186                 -I$(DTS_DIR) \
 187                 -I$(DTS_DIR)/include \
 188                 -I$(LINUX_DIR)/include/ \
 189                 -undef -D__DTS__ $(3) \
 190                 -o $(2).tmp $(1)
 191         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 192                 -i$(dir $(1)) $(DTC_FLAGS) $(4) \
 193                 -o $(2) $(2).tmp
 194         $(RM) $(2).tmp
 195 endef
 196
 197 define Image/mkfs/jffs2/sub-raw
 198         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 199                 $(2) \
 200                 -e $(patsubst %k,%KiB,$(1)) \
 201                 -o $@ -d $(call mkfs_target_dir,$(3)) \
 202                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 203 endef
 204
 205 define Image/mkfs/jffs2/sub
 206         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
 207         $(call add_jffs2_mark,$@)
 208 endef
 209
 210 define Image/mkfs/jffs2/template
 211   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
 212   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 213
 214 endef
 215
 216 define Image/mkfs/jffs2-nand/template
 217   Image/mkfs/jffs2-nand-$(1) = \
 218         $$(call Image/mkfs/jffs2/sub, \
 219                 $(word 2,$(subst -, ,$(1))), \
 220                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 221
 222 endef
 223
 224 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 225 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 226
 227 define Image/mkfs/squashfs-common
 228         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 229                 -nopad -noappend -root-owned \
 230                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
 231                 -processors 1
 232 endef
 233
 234 ifeq ($(CONFIG_TARGET_ROOTFS_SECURITY_LABELS),y)
 235 define Image/mkfs/squashfs
 236         echo ". $(call mkfs_target_dir,$(1))/etc/selinux/config" > $@.fakeroot-script
 237         echo "$(STAGING_DIR_HOST)/bin/setfiles -r" \
 238              "$(call mkfs_target_dir,$(1))" \
 239              "$(call mkfs_target_dir,$(1))/etc/selinux/\$${SELINUXTYPE}/contexts/files/file_contexts " \
 240              "$(call mkfs_target_dir,$(1))" >> $@.fakeroot-script
 241         echo "$(Image/mkfs/squashfs-common)" >> $@.fakeroot-script
 242         chmod +x $@.fakeroot-script
 243         $(FAKEROOT) "$@.fakeroot-script"
 244 endef
 245 else
 246 define Image/mkfs/squashfs
 247         $(call Image/mkfs/squashfs-common,$(1))
 248 endef
 249 endif
 250
 251 define Image/mkfs/ubifs
 252         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 253                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
 254                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 255                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--compr=none) \
 256                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--compr=lzo) \
 257                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--compr=zlib) \
 258                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 259                 --squash-uids \
 260                 -o $@ -d $(call mkfs_target_dir,$(1))
 261 endef
 262
 263 define Image/mkfs/ext4
 264         $(STAGING_DIR_HOST)/bin/make_ext4fs -L rootfs \
 265                 -l $(ROOTFS_PARTSIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 266                 $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
 267                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 268                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 269                 $@ $(call mkfs_target_dir,$(1))/
 270 endef
 271
 272 define Image/Manifest
 273         $(call opkg,$(TARGET_DIR_ORIG)) list-installed > \
 274                 $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 275 endef
 276
 277 define Image/gzip-ext4-padded-squashfs
 278
 279   define Image/Build/squashfs
 280     $(call Image/pad-root-squashfs)
 281   endef
 282
 283   ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
 284     define Image/Build/gzip/ext4
 285       $(call Image/Build/gzip,ext4)
 286     endef
 287     define Image/Build/gzip/squashfs
 288       $(call Image/Build/gzip,squashfs)
 289     endef
 290   endif
 291
 292 endef
 293
 294 ifdef CONFIG_TARGET_ROOTFS_TARGZ
 295   define Image/Build/targz
 296         $(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
 297                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 298                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 299   endef
 300 endif
 301
 302 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
 303   define Image/Build/cpiogz
 304         ( cd $(TARGET_DIR); find . | cpio -o -H newc -R root:root | gzip -9n >$(BIN_DIR)/$(IMG_ROOTFS).cpio.gz )
 305   endef
 306 endif
 307
 308 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
 309 mkfs_packages_add = $(foreach pkg,$(filter-out -%,$(mkfs_packages)),$(pkg)$(call GetABISuffix,$(pkg)))
 310 mkfs_packages_remove = $(foreach pkg,$(patsubst -%,%,$(filter -%,$(mkfs_packages))),$(pkg)$(call GetABISuffix,$(pkg)))
 311 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 312
 313 opkg_target = \
 314         $(call opkg,$(mkfs_cur_target_dir)) \
 315                 -f $(mkfs_cur_target_dir).conf
 316
 317 target-dir-%: FORCE
 318         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
 319         $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
 320         -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
 321         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
 322         $(if $(mkfs_packages_remove), \
 323                 -$(call opkg,$(mkfs_cur_target_dir)) remove \
 324                         $(mkfs_packages_remove))
 325         $(if $(call opkg_package_files,$(mkfs_packages_add)), \
 326                 $(opkg_target) update && \
 327                 $(opkg_target) install \
 328                         $(call opkg_package_files,$(mkfs_packages_add)))
 329         -$(CP) -T $(mkfs_cur_target_dir).opkg/ $(mkfs_cur_target_dir)/etc/opkg/
 330         rm -rf $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir).conf
 331         $(call prepare_rootfs,$(mkfs_cur_target_dir),$(TOPDIR)/files)
 332
 333 $(KDIR)/root.%: kernel_prepare
 334         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
 335
 336 define Device/InitProfile
 337   PROFILES := $(PROFILE)
 338   DEVICE_TITLE = $$(DEVICE_VENDOR) $$(DEVICE_MODEL)$$(if $$(DEVICE_VARIANT), $$(DEVICE_VARIANT))
 339   DEVICE_ALT0_TITLE = $$(DEVICE_ALT0_VENDOR) $$(DEVICE_ALT0_MODEL)$$(if $$(DEVICE_ALT0_VARIANT), $$(DEVICE_ALT0_VARIANT))
 340   DEVICE_ALT1_TITLE = $$(DEVICE_ALT1_VENDOR) $$(DEVICE_ALT1_MODEL)$$(if $$(DEVICE_ALT1_VARIANT), $$(DEVICE_ALT1_VARIANT))
 341   DEVICE_ALT2_TITLE = $$(DEVICE_ALT2_VENDOR) $$(DEVICE_ALT2_MODEL)$$(if $$(DEVICE_ALT2_VARIANT), $$(DEVICE_ALT2_VARIANT))
 342   DEVICE_VENDOR :=
 343   DEVICE_MODEL :=
 344   DEVICE_VARIANT :=
 345   DEVICE_ALT0_VENDOR :=
 346   DEVICE_ALT0_MODEL :=
 347   DEVICE_ALT0_VARIANT :=
 348   DEVICE_ALT1_VENDOR :=
 349   DEVICE_ALT1_MODEL :=
 350   DEVICE_ALT1_VARIANT :=
 351   DEVICE_ALT2_VENDOR :=
 352   DEVICE_ALT2_MODEL :=
 353   DEVICE_ALT2_VARIANT :=
 354   DEVICE_PACKAGES :=
 355   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 356 endef
 357
 358 define Device/Init
 359   DEVICE_NAME := $(1)
 360   KERNEL:=
 361   KERNEL_INITRAMFS = $$(KERNEL)
 362   CMDLINE:=
 363
 364   IMAGES :=
 365   ARTIFACTS :=
 366   DEVICE_IMG_PREFIX := $(IMG_PREFIX)-$(1)
 367   DEVICE_IMG_NAME = $$(DEVICE_IMG_PREFIX)-$$(1)-$$(2)
 368   IMAGE_SIZE :=
 369   KERNEL_PREFIX = $$(DEVICE_IMG_PREFIX)
 370   KERNEL_SUFFIX := -kernel.bin
 371   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 372   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 373   KERNEL_INITRAMFS_PREFIX = $$(DEVICE_IMG_PREFIX)-initramfs
 374   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 375   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 376   KERNEL_INSTALL :=
 377   KERNEL_NAME := vmlinux
 378   KERNEL_DEPENDS :=
 379   KERNEL_SIZE :=
 380
 381   UBOOTENV_IN_UBI :=
 382   KERNEL_IN_UBI :=
 383   BLOCKSIZE :=
 384   PAGESIZE :=
 385   SUBPAGESIZE :=
 386   VID_HDR_OFFSET :=
 387   UBINIZE_OPTS :=
 388   UBINIZE_PARTS :=
 389   MKUBIFS_OPTS :=
 390
 391   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 392
 393   DEVICE_DTS :=
 394   DEVICE_DTS_CONFIG :=
 395   DEVICE_DTS_DIR :=
 396   DEVICE_FDT_NUM :=
 397   SOC :=
 398
 399   BOARD_NAME :=
 400   UIMAGE_MAGIC :=
 401   UIMAGE_NAME :=
 402   DEVICE_COMPAT_VERSION := 1.0
 403   DEVICE_COMPAT_MESSAGE :=
 404   SUPPORTED_DEVICES := $(subst _,$(comma),$(1))
 405   IMAGE_METADATA :=
 406
 407   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 408
 409   UBOOT_PATH :=  $(STAGING_DIR_IMAGE)/uboot-$(1)
 410
 411   BROKEN :=
 412   DEFAULT :=
 413 endef
 414
 415 DEFAULT_DEVICE_VARS := \
 416   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE KERNEL_SIZE \
 417   CMDLINE UBOOTENV_IN_UBI KERNEL_IN_UBI BLOCKSIZE PAGESIZE SUBPAGESIZE \
 418   VID_HDR_OFFSET UBINIZE_OPTS UBINIZE_PARTS MKUBIFS_OPTS DEVICE_DTS \
 419   DEVICE_DTS_CONFIG DEVICE_DTS_DIR DEVICE_FDT_NUM SOC BOARD_NAME \
 420   UIMAGE_MAGIC UIMAGE_NAME \
 421   SUPPORTED_DEVICES IMAGE_METADATA KERNEL_ENTRY KERNEL_LOADADDR \
 422   UBOOT_PATH IMAGE_SIZE \
 423   DEVICE_COMPAT_VERSION DEVICE_COMPAT_MESSAGE \
 424   DEVICE_VENDOR DEVICE_MODEL DEVICE_VARIANT \
 425   DEVICE_ALT0_VENDOR DEVICE_ALT0_MODEL DEVICE_ALT0_VARIANT \
 426   DEVICE_ALT1_VENDOR DEVICE_ALT1_MODEL DEVICE_ALT1_VARIANT \
 427   DEVICE_ALT2_VENDOR DEVICE_ALT2_MODEL DEVICE_ALT2_VARIANT
 428
 429 define Device/ExportVar
 430   $(1) : $(2):=$$($(2))
 431
 432 endef
 433 define Device/Export
 434   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 435   $(1) : FILESYSTEM:=$(2)
 436 endef
 437
 438 ifdef IB
 439   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 440 else
 441   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 442 endif
 443
 444 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 445
 446 define merge_packages
 447   $(1) :=
 448   $(foreach pkg,$(2),
 449     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 450   )
 451 endef
 452
 453 define Device/Check/Common
 454   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 455   DEVICE_PACKAGES += $$(call extra_packages,$$(DEVICE_PACKAGES))
 456   ifdef TARGET_PER_DEVICE_ROOTFS
 457     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 458     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 459     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 460   endif
 461 endef
 462
 463 define Device/Check
 464   $(Device/Check/Common)
 465   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 466   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 467   ifndef IB
 468     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 469   endif
 470 endef
 471
 472 ifndef IB
 473 define Device/Build/initramfs
 474   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 475   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE) \
 476           $$(if $$(CONFIG_JSON_OVERVIEW_IMAGE_INFO), $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,))
 477
 478   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 479   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 480         cp $$^ $$@
 481
 482   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 483         @rm -f $$@
 484         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 485
 486   $(call Device/Export,$(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,$(1))
 487
 488   $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json: $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
 489         @mkdir -p $$(shell dirname $$@)
 490         DEVICE_ID="$(1)" \
 491         BIN_DIR="$(BIN_DIR)" \
 492         SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
 493         DEVICE_IMG_NAME="$$(notdir $$^)" \
 494         IMAGE_TYPE="kernel" \
 495         IMAGE_FILESYSTEM="initramfs" \
 496         DEVICE_IMG_PREFIX="$$(DEVICE_IMG_PREFIX)" \
 497         DEVICE_VENDOR="$$(DEVICE_VENDOR)" \
 498         DEVICE_MODEL="$$(DEVICE_MODEL)" \
 499         DEVICE_VARIANT="$$(DEVICE_VARIANT)" \
 500         DEVICE_ALT0_VENDOR="$$(DEVICE_ALT0_VENDOR)" \
 501         DEVICE_ALT0_MODEL="$$(DEVICE_ALT0_MODEL)" \
 502         DEVICE_ALT0_VARIANT="$$(DEVICE_ALT0_VARIANT)" \
 503         DEVICE_ALT1_VENDOR="$$(DEVICE_ALT1_VENDOR)" \
 504         DEVICE_ALT1_MODEL="$$(DEVICE_ALT1_MODEL)" \
 505         DEVICE_ALT1_VARIANT="$$(DEVICE_ALT1_VARIANT)" \
 506         DEVICE_ALT2_VENDOR="$$(DEVICE_ALT2_VENDOR)" \
 507         DEVICE_ALT2_MODEL="$$(DEVICE_ALT2_MODEL)" \
 508         DEVICE_ALT2_VARIANT="$$(DEVICE_ALT2_VARIANT)" \
 509         DEVICE_TITLE="$$(DEVICE_TITLE)" \
 510         DEVICE_PACKAGES="$$(DEVICE_PACKAGES)" \
 511         TARGET="$(BOARD)" \
 512         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 513         VERSION_NUMBER="$(VERSION_NUMBER)" \
 514         VERSION_CODE="$(VERSION_CODE)" \
 515         SUPPORTED_DEVICES="$$(SUPPORTED_DEVICES)" \
 516         $(TOPDIR)/scripts/json_add_image_info.py $$@
 517 endef
 518 endif
 519
 520 define Device/Build/compile
 521   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 522   $(eval $(call Device/Export,$(KDIR)/$(1)))
 523   $(KDIR)/$(1):
 524         $$(call concat_cmd,$(COMPILE/$(1)))
 525
 526 endef
 527
 528 ifndef IB
 529 define Device/Build/dtb
 530   ifndef BUILD_DTS_$(1)
 531   BUILD_DTS_$(1) := 1
 532   $(KDIR)/image-$(1).dtb: FORCE
 533         $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
 534
 535   image_prepare: $(KDIR)/image-$(1).dtb
 536   endif
 537
 538 endef
 539 endif
 540
 541 define Device/Build/kernel
 542   $$(eval $$(foreach dts,$$(DEVICE_DTS), \
 543         $$(call Device/Build/dtb,$$(notdir $$(dts)), \
 544                 $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)), \
 545                 $$(dts) \
 546         ) \
 547   ))
 548
 549   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 550   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 551   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
 552   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
 553         cp $$^ $$@
 554   ifndef IB
 555     ifdef CONFIG_IB
 556       install: $$(KDIR_KERNEL_IMAGE)
 557     endif
 558     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 559         @rm -f $$@
 560         $$(call concat_cmd,$$(KERNEL))
 561         $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
 562   endif
 563 endef
 564
 565 define Device/Build/image
 566   GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
 567   $$(_TARGET): $(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
 568           $(BUILD_DIR)/json_info_files/$(call DEVICE_IMG_NAME,$(1),$(2)).json, \
 569           $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX))
 570   $(eval $(call Device/Export,$(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2)),$(1)))
 571
 572   ROOTFS/$(1)/$(3) := \
 573         $(KDIR)/root.$(1)$$(strip \
 574                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
 575         )$$(strip \
 576                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
 577         )
 578   ifndef IB
 579     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
 580   endif
 581   $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
 582         @rm -f $$@
 583         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 584         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 585
 586   .IGNORE: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))
 587
 588   $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2))
 589         gzip -c -9n $$^ > $$@
 590
 591   $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2)): $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2))
 592         cp $$^ $$@
 593
 594   $(BUILD_DIR)/json_info_files/$(call DEVICE_IMG_NAME,$(1),$(2)).json: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX)
 595         @mkdir -p $$(shell dirname $$@)
 596         DEVICE_ID="$(DEVICE_NAME)" \
 597         BIN_DIR="$(BIN_DIR)" \
 598         SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
 599         DEVICE_IMG_NAME="$(DEVICE_IMG_NAME)" \
 600         IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
 601         IMAGE_FILESYSTEM="$(1)" \
 602         DEVICE_IMG_PREFIX="$(DEVICE_IMG_PREFIX)" \
 603         DEVICE_VENDOR="$(DEVICE_VENDOR)" \
 604         DEVICE_MODEL="$(DEVICE_MODEL)" \
 605         DEVICE_VARIANT="$(DEVICE_VARIANT)" \
 606         DEVICE_ALT0_VENDOR="$(DEVICE_ALT0_VENDOR)" \
 607         DEVICE_ALT0_MODEL="$(DEVICE_ALT0_MODEL)" \
 608         DEVICE_ALT0_VARIANT="$(DEVICE_ALT0_VARIANT)" \
 609         DEVICE_ALT1_VENDOR="$(DEVICE_ALT1_VENDOR)" \
 610         DEVICE_ALT1_MODEL="$(DEVICE_ALT1_MODEL)" \
 611         DEVICE_ALT1_VARIANT="$(DEVICE_ALT1_VARIANT)" \
 612         DEVICE_ALT2_VENDOR="$(DEVICE_ALT2_VENDOR)" \
 613         DEVICE_ALT2_MODEL="$(DEVICE_ALT2_MODEL)" \
 614         DEVICE_ALT2_VARIANT="$(DEVICE_ALT2_VARIANT)" \
 615         DEVICE_TITLE="$(DEVICE_TITLE)" \
 616         DEVICE_PACKAGES="$(DEVICE_PACKAGES)" \
 617         TARGET="$(BOARD)" \
 618         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 619         VERSION_NUMBER="$(VERSION_NUMBER)" \
 620         VERSION_CODE="$(VERSION_CODE)" \
 621         SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
 622         $(TOPDIR)/scripts/json_add_image_info.py $$@
 623
 624 endef
 625
 626 define Device/Build/artifact
 627   $$(_TARGET): $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1)
 628   $(eval $(call Device/Export,$(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1)))
 629   $(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1): $$(KDIR_KERNEL_IMAGE)
 630         @rm -f $$@
 631         $$(call concat_cmd,$(ARTIFACT/$(1)))
 632
 633   .IGNORE: $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1)
 634
 635   $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1): $(KDIR)/tmp/$(DEVICE_IMG_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 ($(DUMP),)
 704     all: dumpinfo
 705     dumpinfo: FORCE
 706         @true
 707   endif
 708
 709   download:
 710   prepare:
 711   compile:
 712   clean:
 713   image_prepare:
 714
 715   ifeq ($(IB),)
 716     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
 717     compile:
 718                 $(call Build/Compile)
 719
 720     clean:
 721                 $(call Build/Clean)
 722
 723     image_prepare: compile
 724                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 725                 rm -rf $(BUILD_DIR)/json_info_files
 726                 $(call Image/Prepare)
 727
 728   else
 729     image_prepare:
 730                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 731   endif
 732
 733   kernel_prepare: image_prepare
 734         $(call Image/Build/targz)
 735         $(call Image/Build/cpiogz)
 736         $(call Image/BuildKernel)
 737         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 738         $(call Image/InstallKernel)
 739
 740   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 741
 742   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 743         $(foreach fs,$(TARGET_FILESYSTEMS),
 744                 $(call Image/Build,$(fs))
 745         )
 746
 747   install: install-images
 748         $(call Image/Manifest)
 749
 750 endef