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 SQUASHFSOPT += $(if $(CONFIG_SELINUX),-xattrs,-no-xattrs)
  79 SQUASHFSCOMP := gzip
  80 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  81 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  82   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  83     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  84   endif
  85   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  86 endif
  87
  88 JFFS2_BLOCKSIZE ?= 64k 128k
  89
  90 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  91 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  92 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  93 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  94 fs-types-$(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 := $(call tolower,$(subst DEVICE_,,$(subst $(space),-,$(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                 -c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config-1") \
 144                 -A $(LINUX_KARCH) -v $(LINUX_VERSION)
 145         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 146 endef
 147
 148 ifdef CONFIG_TARGET_IMAGES_GZIP
 149   define Image/Gzip
 150         rm -f $(1).gz
 151         gzip -9n $(1)
 152   endef
 153 endif
 154
 155
 156 # Disable noisy checks by default as in upstream
 157 DTC_FLAGS += \
 158   -Wno-unit_address_vs_reg \
 159   -Wno-simple_bus_reg \
 160   -Wno-unit_address_format \
 161   -Wno-pci_bridge \
 162   -Wno-pci_device_bus_num \
 163   -Wno-pci_device_reg \
 164   -Wno-avoid_unnecessary_addr_size \
 165   -Wno-alias_paths \
 166   -Wno-graph_child_address \
 167   -Wno-graph_port \
 168   -Wno-unique_unit_address
 169
 170 define Image/pad-to
 171         dd if=$(1) of=$(1).new bs=$(2) conv=sync
 172         mv $(1).new $(1)
 173 endef
 174
 175 ROOTFS_PARTSIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 176
 177 define Image/pad-root-squashfs
 178         $(call Image/pad-to,$(KDIR)/root.squashfs,$(if $(1),$(1),$(ROOTFS_PARTSIZE)))
 179 endef
 180
 181 # $(1) source dts file
 182 # $(2) target dtb file
 183 # $(3) extra CPP flags
 184 # $(4) extra DTC flags
 185 define Image/BuildDTB
 186         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 187                 -I$(DTS_DIR) \
 188                 -I$(DTS_DIR)/include \
 189                 -I$(LINUX_DIR)/include/ \
 190                 -undef -D__DTS__ $(3) \
 191                 -o $(2).tmp $(1)
 192         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 193                 -i$(dir $(1)) $(DTC_FLAGS) $(4) \
 194         $(if $(CONFIG_HAS_DT_OVERLAY_SUPPORT),-@) \
 195                 -o $(2) $(2).tmp
 196         $(RM) $(2).tmp
 197 endef
 198
 199 define Image/mkfs/jffs2/sub-raw
 200         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 201                 $(2) \
 202                 -e $(patsubst %k,%KiB,$(1)) \
 203                 -o $@ -d $(call mkfs_target_dir,$(3)) \
 204                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 205 endef
 206
 207 define Image/mkfs/jffs2/sub
 208         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
 209         $(call add_jffs2_mark,$@)
 210 endef
 211
 212 define Image/mkfs/jffs2/template
 213   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
 214   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 215
 216 endef
 217
 218 define Image/mkfs/jffs2-nand/template
 219   Image/mkfs/jffs2-nand-$(1) = \
 220         $$(call Image/mkfs/jffs2/sub, \
 221                 $(word 2,$(subst -, ,$(1))), \
 222                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 223
 224 endef
 225
 226 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 227 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 228
 229 define Image/mkfs/squashfs-common
 230         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 231                 -nopad -noappend -root-owned \
 232                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT)
 233 endef
 234
 235 ifeq ($(CONFIG_TARGET_ROOTFS_SECURITY_LABELS),y)
 236 define Image/mkfs/squashfs
 237         echo ". $(call mkfs_target_dir,$(1))/etc/selinux/config" > $@.fakeroot-script
 238         echo "$(STAGING_DIR_HOST)/bin/setfiles -r" \
 239              "$(call mkfs_target_dir,$(1))" \
 240              "$(call mkfs_target_dir,$(1))/etc/selinux/\$${SELINUXTYPE}/contexts/files/file_contexts " \
 241              "$(call mkfs_target_dir,$(1))" >> $@.fakeroot-script
 242         echo "$(Image/mkfs/squashfs-common)" >> $@.fakeroot-script
 243         chmod +x $@.fakeroot-script
 244         $(FAKEROOT) "$@.fakeroot-script"
 245 endef
 246 else
 247 define Image/mkfs/squashfs
 248         $(call Image/mkfs/squashfs-common,$(1))
 249 endef
 250 endif
 251
 252 define Image/mkfs/ubifs
 253         $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 254                 $(UBIFS_OPTS) $(call param_unmangle,$(call param_get,fs,$(1))) \
 255                 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 256                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--compr=none) \
 257                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--compr=lzo) \
 258                 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--compr=zlib) \
 259                 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 260                 --squash-uids \
 261                 -o $@ -d $(call mkfs_target_dir,$(1))
 262 endef
 263
 264 define Image/mkfs/ext4
 265         $(STAGING_DIR_HOST)/bin/make_ext4fs -L rootfs \
 266                 -l $(ROOTFS_PARTSIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
 267                 $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
 268                 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
 269                 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
 270                 $@ $(call mkfs_target_dir,$(1))/
 271 endef
 272
 273 define Image/Manifest
 274         $(call opkg,$(TARGET_DIR_ORIG)) list-installed > \
 275                 $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED)).manifest
 276 endef
 277
 278 define Image/gzip-ext4-padded-squashfs
 279
 280   define Image/Build/squashfs
 281     $(call Image/pad-root-squashfs)
 282   endef
 283
 284   ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
 285     define Image/Build/gzip/ext4
 286       $(call Image/Build/gzip,ext4)
 287     endef
 288     define Image/Build/gzip/squashfs
 289       $(call Image/Build/gzip,squashfs)
 290     endef
 291   endif
 292
 293 endef
 294
 295 ifdef CONFIG_TARGET_ROOTFS_TARGZ
 296   define Image/Build/targz
 297         $(TAR) -cp --numeric-owner --owner=0 --group=0 --mode=a-s --sort=name \
 298                 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \
 299                 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz
 300   endef
 301 endif
 302
 303 ifdef CONFIG_TARGET_ROOTFS_CPIOGZ
 304   define Image/Build/cpiogz
 305         ( cd $(TARGET_DIR); find . | $(STAGING_DIR_HOST)/bin/cpio -o -H newc -R 0:0 | gzip -9n >$(BIN_DIR)/$(IMG_ROOTFS).cpio.gz )
 306   endef
 307 endif
 308
 309 mkfs_packages = $(filter-out @%,$(PACKAGES_$(call param_get,pkg,pkg=$(target_params))))
 310 mkfs_packages_add = $(foreach pkg,$(filter-out -%,$(mkfs_packages)),$(pkg)$(call GetABISuffix,$(pkg)))
 311 mkfs_packages_remove = $(foreach pkg,$(patsubst -%,%,$(filter -%,$(mkfs_packages))),$(pkg)$(call GetABISuffix,$(pkg)))
 312 mkfs_cur_target_dir = $(call mkfs_target_dir,pkg=$(target_params))
 313
 314 opkg_target = \
 315         $(call opkg,$(mkfs_cur_target_dir)) \
 316                 -f $(mkfs_cur_target_dir).conf
 317
 318 target-dir-%: FORCE
 319         rm -rf $(mkfs_cur_target_dir) $(mkfs_cur_target_dir).opkg
 320         $(CP) $(TARGET_DIR_ORIG) $(mkfs_cur_target_dir)
 321         -mv $(mkfs_cur_target_dir)/etc/opkg $(mkfs_cur_target_dir).opkg
 322         echo 'src default file://$(PACKAGE_DIR_ALL)' > $(mkfs_cur_target_dir).conf
 323         $(if $(mkfs_packages_remove), \
 324                 -$(call opkg,$(mkfs_cur_target_dir)) remove \
 325                         $(mkfs_packages_remove))
 326         $(if $(call opkg_package_files,$(mkfs_packages_add)), \
 327                 $(opkg_target) update && \
 328                 $(opkg_target) install \
 329                         $(call opkg_package_files,$(mkfs_packages_add)))
 330         -$(CP) -T $(mkfs_cur_target_dir).opkg/ $(mkfs_cur_target_dir)/etc/opkg/
 331         rm -rf $(mkfs_cur_target_dir).opkg $(mkfs_cur_target_dir).conf
 332         $(call prepare_rootfs,$(mkfs_cur_target_dir),$(TOPDIR)/files)
 333
 334 $(KDIR)/root.%: kernel_prepare
 335         $(call Image/mkfs/$(word 1,$(target_params)),$(target_params))
 336
 337 define Device/InitProfile
 338   PROFILES := $(PROFILE)
 339   DEVICE_TITLE = $$(DEVICE_VENDOR) $$(DEVICE_MODEL)$$(if $$(DEVICE_VARIANT), $$(DEVICE_VARIANT))
 340   DEVICE_ALT0_TITLE = $$(DEVICE_ALT0_VENDOR) $$(DEVICE_ALT0_MODEL)$$(if $$(DEVICE_ALT0_VARIANT), $$(DEVICE_ALT0_VARIANT))
 341   DEVICE_ALT1_TITLE = $$(DEVICE_ALT1_VENDOR) $$(DEVICE_ALT1_MODEL)$$(if $$(DEVICE_ALT1_VARIANT), $$(DEVICE_ALT1_VARIANT))
 342   DEVICE_ALT2_TITLE = $$(DEVICE_ALT2_VENDOR) $$(DEVICE_ALT2_MODEL)$$(if $$(DEVICE_ALT2_VARIANT), $$(DEVICE_ALT2_VARIANT))
 343   DEVICE_VENDOR :=
 344   DEVICE_MODEL :=
 345   DEVICE_VARIANT :=
 346   DEVICE_ALT0_VENDOR :=
 347   DEVICE_ALT0_MODEL :=
 348   DEVICE_ALT0_VARIANT :=
 349   DEVICE_ALT1_VENDOR :=
 350   DEVICE_ALT1_MODEL :=
 351   DEVICE_ALT1_VARIANT :=
 352   DEVICE_ALT2_VENDOR :=
 353   DEVICE_ALT2_MODEL :=
 354   DEVICE_ALT2_VARIANT :=
 355   DEVICE_PACKAGES :=
 356   DEVICE_DESCRIPTION = Build firmware images for $$(DEVICE_TITLE)
 357 endef
 358
 359 define Device/Init
 360   DEVICE_NAME := $(1)
 361   KERNEL:=
 362   KERNEL_INITRAMFS = $$(KERNEL)
 363   CMDLINE:=
 364
 365   IMAGES :=
 366   ARTIFACTS :=
 367   DEVICE_IMG_PREFIX := $(IMG_PREFIX)-$(1)
 368   DEVICE_IMG_NAME = $$(DEVICE_IMG_PREFIX)-$$(1)-$$(2)
 369   IMAGE_SIZE :=
 370   KERNEL_PREFIX = $$(DEVICE_IMG_PREFIX)
 371   KERNEL_SUFFIX := -kernel.bin
 372   KERNEL_INITRAMFS_SUFFIX = $$(KERNEL_SUFFIX)
 373   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 374   KERNEL_INITRAMFS_PREFIX = $$(DEVICE_IMG_PREFIX)-initramfs
 375   KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_INITRAMFS_SUFFIX)
 376   KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs
 377   KERNEL_INSTALL :=
 378   KERNEL_NAME := vmlinux
 379   KERNEL_DEPENDS :=
 380   KERNEL_SIZE :=
 381
 382   UBOOTENV_IN_UBI :=
 383   KERNEL_IN_UBI :=
 384   BLOCKSIZE :=
 385   PAGESIZE :=
 386   SUBPAGESIZE :=
 387   VID_HDR_OFFSET :=
 388   UBINIZE_OPTS :=
 389   UBINIZE_PARTS :=
 390   MKUBIFS_OPTS :=
 391
 392   FS_OPTIONS/ubifs = $$(MKUBIFS_OPTS)
 393
 394   DEVICE_DTS :=
 395   DEVICE_DTS_CONFIG :=
 396   DEVICE_DTS_DELIMITER :=
 397   DEVICE_DTS_DIR :=
 398   DEVICE_DTS_OVERLAY :=
 399   DEVICE_FDT_NUM :=
 400   SOC :=
 401
 402   BOARD_NAME :=
 403   UIMAGE_MAGIC :=
 404   UIMAGE_NAME :=
 405   DEVICE_COMPAT_VERSION := 1.0
 406   DEVICE_COMPAT_MESSAGE :=
 407   SUPPORTED_DEVICES := $(subst _,$(comma),$(1))
 408   IMAGE_METADATA :=
 409
 410   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 411
 412   UBOOT_PATH :=  $(STAGING_DIR_IMAGE)/uboot-$(1)
 413
 414   BROKEN :=
 415   DEFAULT :=
 416 endef
 417
 418 DEFAULT_DEVICE_VARS := \
 419   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE KERNEL_SIZE \
 420   CMDLINE UBOOTENV_IN_UBI KERNEL_IN_UBI BLOCKSIZE PAGESIZE SUBPAGESIZE \
 421   VID_HDR_OFFSET UBINIZE_OPTS UBINIZE_PARTS MKUBIFS_OPTS DEVICE_DTS \
 422   DEVICE_DTS_CONFIG DEVICE_DTS_DELIMITER DEVICE_DTS_DIR DEVICE_DTS_OVERLAY \
 423   DEVICE_FDT_NUM DEVICE_IMG_PREFIX SOC BOARD_NAME UIMAGE_MAGIC UIMAGE_NAME \
 424   SUPPORTED_DEVICES IMAGE_METADATA KERNEL_ENTRY KERNEL_LOADADDR \
 425   UBOOT_PATH IMAGE_SIZE \
 426   DEVICE_PACKAGES DEVICE_COMPAT_VERSION DEVICE_COMPAT_MESSAGE \
 427   DEVICE_VENDOR DEVICE_MODEL DEVICE_VARIANT \
 428   DEVICE_ALT0_VENDOR DEVICE_ALT0_MODEL DEVICE_ALT0_VARIANT \
 429   DEVICE_ALT1_VENDOR DEVICE_ALT1_MODEL DEVICE_ALT1_VARIANT \
 430   DEVICE_ALT2_VENDOR DEVICE_ALT2_MODEL DEVICE_ALT2_VARIANT
 431
 432 define Device/ExportVar
 433   $(1) : $(2):=$$($(2))
 434
 435 endef
 436 define Device/Export
 437   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 438   $(1) : FILESYSTEM:=$(2)
 439 endef
 440
 441 ifdef IB
 442   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 443 else
 444   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 445 endif
 446
 447 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 448
 449 define merge_packages
 450   $(1) :=
 451   $(foreach pkg,$(2),
 452     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 453   )
 454 endef
 455
 456 define Device/Check/Common
 457   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 458   DEVICE_PACKAGES += $$(call extra_packages,$$(DEVICE_PACKAGES))
 459   ifdef TARGET_PER_DEVICE_ROOTFS
 460     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 461     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 462     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 463   endif
 464 endef
 465
 466 define Device/Check
 467   $(Device/Check/Common)
 468   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 469   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 470   ifndef IB
 471     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 472   endif
 473 endef
 474
 475 ifndef IB
 476 define Device/Build/initramfs
 477   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 478   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE) \
 479           $$(if $$(CONFIG_JSON_OVERVIEW_IMAGE_INFO), $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,))
 480
 481   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 482   $(1)-images: $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE))
 483   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 484         cp $$^ $$@
 485
 486   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 487         @rm -f $$@
 488         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 489
 490   $(call Device/Export,$(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,$(1))
 491
 492   $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json: $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
 493         @mkdir -p $$(shell dirname $$@)
 494         DEVICE_ID="$(1)" \
 495         SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
 496         FILE_NAME="$$(notdir $$^)" \
 497         FILE_DIR="$(KDIR)/tmp" \
 498         FILE_TYPE="kernel" \
 499         FILE_FILESYSTEM="initramfs" \
 500         DEVICE_IMG_PREFIX="$$(DEVICE_IMG_PREFIX)" \
 501         DEVICE_VENDOR="$$(DEVICE_VENDOR)" \
 502         DEVICE_MODEL="$$(DEVICE_MODEL)" \
 503         DEVICE_VARIANT="$$(DEVICE_VARIANT)" \
 504         DEVICE_ALT0_VENDOR="$$(DEVICE_ALT0_VENDOR)" \
 505         DEVICE_ALT0_MODEL="$$(DEVICE_ALT0_MODEL)" \
 506         DEVICE_ALT0_VARIANT="$$(DEVICE_ALT0_VARIANT)" \
 507         DEVICE_ALT1_VENDOR="$$(DEVICE_ALT1_VENDOR)" \
 508         DEVICE_ALT1_MODEL="$$(DEVICE_ALT1_MODEL)" \
 509         DEVICE_ALT1_VARIANT="$$(DEVICE_ALT1_VARIANT)" \
 510         DEVICE_ALT2_VENDOR="$$(DEVICE_ALT2_VENDOR)" \
 511         DEVICE_ALT2_MODEL="$$(DEVICE_ALT2_MODEL)" \
 512         DEVICE_ALT2_VARIANT="$$(DEVICE_ALT2_VARIANT)" \
 513         DEVICE_TITLE="$$(DEVICE_TITLE)" \
 514         DEVICE_PACKAGES="$$(DEVICE_PACKAGES)" \
 515         TARGET="$(BOARD)" \
 516         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 517         VERSION_NUMBER="$(VERSION_NUMBER)" \
 518         VERSION_CODE="$(VERSION_CODE)" \
 519         SUPPORTED_DEVICES="$$(SUPPORTED_DEVICES)" \
 520         $(TOPDIR)/scripts/json_add_image_info.py $$@
 521 endef
 522 endif
 523
 524 define Device/Build/compile
 525   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 526   $(eval $(call Device/Export,$(KDIR)/$(1)))
 527   $(KDIR)/$(1):
 528         $$(call concat_cmd,$(COMPILE/$(1)))
 529
 530 endef
 531
 532 ifndef IB
 533 define Device/Build/dtb
 534   ifndef BUILD_DTS_$(1)
 535   BUILD_DTS_$(1) := 1
 536   $(KDIR)/image-$(1).dtb: FORCE
 537         $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
 538
 539   image_prepare: $(KDIR)/image-$(1).dtb
 540   endif
 541
 542 endef
 543 endif
 544
 545 define Device/Build/kernel
 546   $$(eval $$(foreach dts,$$(DEVICE_DTS) $$(DEVICE_DTS_OVERLAY), \
 547         $$(call Device/Build/dtb,$$(notdir $$(dts)), \
 548                 $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)), \
 549                 $$(dts) \
 550         ) \
 551   ))
 552
 553   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 554   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 555   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
 556   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
 557         cp $$^ $$@
 558   ifndef IB
 559     ifdef CONFIG_IB
 560       install: $$(KDIR_KERNEL_IMAGE)
 561     endif
 562     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 563         @rm -f $$@
 564         $$(call concat_cmd,$$(KERNEL))
 565         $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
 566   endif
 567 endef
 568
 569 define Device/Build/image
 570   GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
 571   $$(_TARGET): $(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
 572           $(BUILD_DIR)/json_info_files/$(call DEVICE_IMG_NAME,$(1),$(2)).json, \
 573           $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX))
 574   $(eval $(call Device/Export,$(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2)),$(1)))
 575   $(3)-images: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX)
 576
 577   ROOTFS/$(1)/$(3) := \
 578         $(KDIR)/root.$(1)$$(strip \
 579                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
 580         )$$(strip \
 581                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
 582         )
 583   ifndef IB
 584     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
 585   endif
 586   $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
 587         @rm -f $$@
 588         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 589         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 590
 591   .IGNORE: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))
 592
 593   $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2))
 594         gzip -c -9n $$^ > $$@
 595
 596   $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2)): $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2))
 597         cp $$^ $$@
 598
 599   $(BUILD_DIR)/json_info_files/$(call DEVICE_IMG_NAME,$(1),$(2)).json: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX)
 600         @mkdir -p $$(shell dirname $$@)
 601         DEVICE_ID="$(DEVICE_NAME)" \
 602         SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
 603         FILE_NAME="$(DEVICE_IMG_NAME)" \
 604         FILE_DIR="$(KDIR)/tmp" \
 605         FILE_TYPE=$(word 1,$(subst ., ,$(2))) \
 606         FILE_FILESYSTEM="$(1)" \
 607         DEVICE_IMG_PREFIX="$(DEVICE_IMG_PREFIX)" \
 608         DEVICE_VENDOR="$(DEVICE_VENDOR)" \
 609         DEVICE_MODEL="$(DEVICE_MODEL)" \
 610         DEVICE_VARIANT="$(DEVICE_VARIANT)" \
 611         DEVICE_ALT0_VENDOR="$(DEVICE_ALT0_VENDOR)" \
 612         DEVICE_ALT0_MODEL="$(DEVICE_ALT0_MODEL)" \
 613         DEVICE_ALT0_VARIANT="$(DEVICE_ALT0_VARIANT)" \
 614         DEVICE_ALT1_VENDOR="$(DEVICE_ALT1_VENDOR)" \
 615         DEVICE_ALT1_MODEL="$(DEVICE_ALT1_MODEL)" \
 616         DEVICE_ALT1_VARIANT="$(DEVICE_ALT1_VARIANT)" \
 617         DEVICE_ALT2_VENDOR="$(DEVICE_ALT2_VENDOR)" \
 618         DEVICE_ALT2_MODEL="$(DEVICE_ALT2_MODEL)" \
 619         DEVICE_ALT2_VARIANT="$(DEVICE_ALT2_VARIANT)" \
 620         DEVICE_TITLE="$(DEVICE_TITLE)" \
 621         DEVICE_PACKAGES="$(DEVICE_PACKAGES)" \
 622         TARGET="$(BOARD)" \
 623         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 624         VERSION_NUMBER="$(VERSION_NUMBER)" \
 625         VERSION_CODE="$(VERSION_CODE)" \
 626         SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
 627         $(TOPDIR)/scripts/json_add_image_info.py $$@
 628
 629 endef
 630
 631 define Device/Build/artifact
 632   $$(_TARGET): $(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
 633           $(BUILD_DIR)/json_info_files/$(DEVICE_IMG_PREFIX)-$(1).json, \
 634           $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1))
 635   $(eval $(call Device/Export,$(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1)))
 636   $(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1): $$(KDIR_KERNEL_IMAGE) $(2)-images
 637         @rm -f $$@
 638         $$(call concat_cmd,$(ARTIFACT/$(1)))
 639
 640   .IGNORE: $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1)
 641
 642   $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1): $(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1)
 643         cp $$^ $$@
 644
 645   $(BUILD_DIR)/json_info_files/$(DEVICE_IMG_PREFIX)-$(1).json: $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1)
 646         @mkdir -p $$(shell dirname $$@)
 647         DEVICE_ID="$(DEVICE_NAME)" \
 648         SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
 649         FILE_NAME="$(DEVICE_IMG_PREFIX)-$(1)" \
 650         FILE_DIR="$(KDIR)/tmp" \
 651         FILE_TYPE="$(1)" \
 652         DEVICE_IMG_PREFIX="$(DEVICE_IMG_PREFIX)" \
 653         DEVICE_VENDOR="$(DEVICE_VENDOR)" \
 654         DEVICE_MODEL="$(DEVICE_MODEL)" \
 655         DEVICE_VARIANT="$(DEVICE_VARIANT)" \
 656         DEVICE_ALT0_VENDOR="$(DEVICE_ALT0_VENDOR)" \
 657         DEVICE_ALT0_MODEL="$(DEVICE_ALT0_MODEL)" \
 658         DEVICE_ALT0_VARIANT="$(DEVICE_ALT0_VARIANT)" \
 659         DEVICE_ALT1_VENDOR="$(DEVICE_ALT1_VENDOR)" \
 660         DEVICE_ALT1_MODEL="$(DEVICE_ALT1_MODEL)" \
 661         DEVICE_ALT1_VARIANT="$(DEVICE_ALT1_VARIANT)" \
 662         DEVICE_ALT2_VENDOR="$(DEVICE_ALT2_VENDOR)" \
 663         DEVICE_ALT2_MODEL="$(DEVICE_ALT2_MODEL)" \
 664         DEVICE_ALT2_VARIANT="$(DEVICE_ALT2_VARIANT)" \
 665         DEVICE_TITLE="$(DEVICE_TITLE)" \
 666         DEVICE_PACKAGES="$(DEVICE_PACKAGES)" \
 667         TARGET="$(BOARD)" \
 668         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 669         VERSION_NUMBER="$(VERSION_NUMBER)" \
 670         VERSION_CODE="$(VERSION_CODE)" \
 671         SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
 672         $(TOPDIR)/scripts/json_add_image_info.py $$@
 673
 674 endef
 675
 676 define Device/Build
 677   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 678   $(call Device/Build/kernel,$(1))
 679
 680   $$(eval $$(foreach compile,$$(COMPILE), \
 681     $$(call Device/Build/compile,$$(compile),$(1))))
 682
 683   $$(eval $$(foreach image,$$(IMAGES), \
 684     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 685       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 686
 687   $$(eval $$(foreach artifact,$$(ARTIFACTS), \
 688     $$(call Device/Build/artifact,$$(artifact),$(1))))
 689
 690 endef
 691
 692 define Device/DumpInfo
 693 Target-Profile: DEVICE_$(1)
 694 Target-Profile-Name: $(DEVICE_DISPLAY)
 695 Target-Profile-Packages: $(DEVICE_PACKAGES)
 696 Target-Profile-hasImageMetadata: $(if $(foreach image,$(IMAGES),$(findstring append-metadata,$(IMAGE/$(image)))),1,0)
 697 Target-Profile-SupportedDevices: $(SUPPORTED_DEVICES)
 698 $(if $(BROKEN),Target-Profile-Broken: $(BROKEN))
 699 $(if $(DEFAULT),Target-Profile-Default: $(DEFAULT))
 700 Target-Profile-Description:
 701 $(DEVICE_DESCRIPTION)
 702 $(if $(strip $(DEVICE_ALT0_TITLE)),Alternative device titles:
 703 - $(DEVICE_ALT0_TITLE))
 704 $(if $(strip $(DEVICE_ALT1_TITLE)),- $(DEVICE_ALT1_TITLE))
 705 $(if $(strip $(DEVICE_ALT2_TITLE)),- $(DEVICE_ALT2_TITLE))
 706 @@
 707
 708 endef
 709
 710 define Device/Dump
 711 ifneq ($$(strip $$(DEVICE_ALT0_TITLE)),)
 712 DEVICE_DISPLAY = $$(DEVICE_ALT0_TITLE) ($$(DEVICE_TITLE))
 713 $$(info $$(call Device/DumpInfo,$(1)))
 714 endif
 715 ifneq ($$(strip $$(DEVICE_ALT1_TITLE)),)
 716 DEVICE_DISPLAY = $$(DEVICE_ALT1_TITLE) ($$(DEVICE_TITLE))
 717 $$(info $$(call Device/DumpInfo,$(1)))
 718 endif
 719 ifneq ($$(strip $$(DEVICE_ALT2_TITLE)),)
 720 DEVICE_DISPLAY = $$(DEVICE_ALT2_TITLE) ($$(DEVICE_TITLE))
 721 $$(info $$(call Device/DumpInfo,$(1)))
 722 endif
 723 DEVICE_DISPLAY = $$(DEVICE_TITLE)
 724 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 725 endef
 726
 727 define Device
 728   $(call Device/InitProfile,$(1))
 729   $(call Device/Init,$(1))
 730   $(call Device/Default,$(1))
 731   $(call Device/$(1),$(1))
 732   $(call Device/Check,$(1))
 733   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 734
 735 endef
 736
 737 define BuildImage
 738
 739   ifneq ($(DUMP),)
 740     all: dumpinfo
 741     dumpinfo: FORCE
 742         @true
 743   endif
 744
 745   download:
 746   prepare:
 747   compile:
 748   clean:
 749   image_prepare:
 750
 751   ifeq ($(IB),)
 752     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
 753     compile:
 754                 $(call Build/Compile)
 755
 756     clean:
 757                 $(call Build/Clean)
 758
 759     image_prepare: compile
 760                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 761                 rm -rf $(BUILD_DIR)/json_info_files
 762                 $(call Image/Prepare)
 763
 764   else
 765     image_prepare:
 766                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 767   endif
 768
 769   kernel_prepare: image_prepare
 770         $(call Image/Build/targz)
 771         $(call Image/Build/cpiogz)
 772         $(call Image/BuildKernel)
 773         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 774         $(call Image/InstallKernel)
 775
 776   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 777
 778   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 779         $(foreach fs,$(TARGET_FILESYSTEMS),
 780                 $(call Image/Build,$(fs))
 781         )
 782
 783   install: install-images
 784         $(call Image/Manifest)
 785
 786 endef