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 $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
 175
 176 define Image/pad-root-squashfs
 177         $(call Image/pad-to,$(KDIR)/root.squashfs,$(if $(1),$(1),$(ROOTFS_PARTSIZE)))
 178 endef
 179
 180 # $(1) source dts file
 181 # $(2) target dtb file
 182 # $(3) extra CPP flags
 183 # $(4) extra DTC flags
 184 define Image/BuildDTB
 185         $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \
 186                 -I$(DTS_DIR) \
 187                 -I$(DTS_DIR)/include \
 188                 -I$(LINUX_DIR)/include/ \
 189                 -undef -D__DTS__ $(3) \
 190                 -o $(2).tmp $(1)
 191         $(LINUX_DIR)/scripts/dtc/dtc -O dtb \
 192                 -i$(dir $(1)) $(DTC_FLAGS) $(4) \
 193         $(if $(CONFIG_HAS_DT_OVERLAY_SUPPORT),-@) \
 194                 -o $(2) $(2).tmp
 195         $(RM) $(2).tmp
 196 endef
 197
 198 define Image/mkfs/jffs2/sub-raw
 199         $(STAGING_DIR_HOST)/bin/mkfs.jffs2 \
 200                 $(2) \
 201                 -e $(patsubst %k,%KiB,$(1)) \
 202                 -o $@ -d $(call mkfs_target_dir,$(3)) \
 203                 -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 204 endef
 205
 206 define Image/mkfs/jffs2/sub
 207         $(call Image/mkfs/jffs2/sub-raw,$(1),--pad $(2),$(3))
 208         $(call add_jffs2_mark,$@)
 209 endef
 210
 211 define Image/mkfs/jffs2/template
 212   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(JFFS2OPTS),$$(1))
 213   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(JFFS2OPTS),$$(1))
 214
 215 endef
 216
 217 define Image/mkfs/jffs2-nand/template
 218   Image/mkfs/jffs2-nand-$(1) = \
 219         $$(call Image/mkfs/jffs2/sub, \
 220                 $(word 2,$(subst -, ,$(1))), \
 221                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))),$$(1))
 222
 223 endef
 224
 225 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 226 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 227
 228 define Image/mkfs/squashfs-common
 229         $(STAGING_DIR_HOST)/bin/mksquashfs4 $(call mkfs_target_dir,$(1)) $@ \
 230                 -nopad -noappend -root-owned \
 231                 -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) \
 232                 -processors 1
 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 = $$(MKUBIFS_OPTS)
 393
 394   DEVICE_DTS :=
 395   DEVICE_DTS_CONFIG :=
 396   DEVICE_DTS_DIR :=
 397   DEVICE_DTS_OVERLAY :=
 398   DEVICE_FDT_NUM :=
 399   SOC :=
 400
 401   BOARD_NAME :=
 402   UIMAGE_MAGIC :=
 403   UIMAGE_NAME :=
 404   DEVICE_COMPAT_VERSION := 1.0
 405   DEVICE_COMPAT_MESSAGE :=
 406   SUPPORTED_DEVICES := $(subst _,$(comma),$(1))
 407   IMAGE_METADATA :=
 408
 409   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 410
 411   UBOOT_PATH :=  $(STAGING_DIR_IMAGE)/uboot-$(1)
 412
 413   BROKEN :=
 414   DEFAULT :=
 415 endef
 416
 417 DEFAULT_DEVICE_VARS := \
 418   DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE KERNEL_SIZE \
 419   CMDLINE UBOOTENV_IN_UBI KERNEL_IN_UBI BLOCKSIZE PAGESIZE SUBPAGESIZE \
 420   VID_HDR_OFFSET UBINIZE_OPTS UBINIZE_PARTS MKUBIFS_OPTS DEVICE_DTS \
 421   DEVICE_DTS_CONFIG DEVICE_DTS_DIR DEVICE_DTS_OVERLAY DEVICE_FDT_NUM \
 422   DEVICE_IMG_PREFIX SOC BOARD_NAME UIMAGE_MAGIC UIMAGE_NAME \
 423   SUPPORTED_DEVICES IMAGE_METADATA KERNEL_ENTRY KERNEL_LOADADDR \
 424   UBOOT_PATH IMAGE_SIZE \
 425   DEVICE_COMPAT_VERSION DEVICE_COMPAT_MESSAGE \
 426   DEVICE_VENDOR DEVICE_MODEL DEVICE_VARIANT \
 427   DEVICE_ALT0_VENDOR DEVICE_ALT0_MODEL DEVICE_ALT0_VARIANT \
 428   DEVICE_ALT1_VENDOR DEVICE_ALT1_MODEL DEVICE_ALT1_VARIANT \
 429   DEVICE_ALT2_VENDOR DEVICE_ALT2_MODEL DEVICE_ALT2_VARIANT
 430
 431 define Device/ExportVar
 432   $(1) : $(2):=$$($(2))
 433
 434 endef
 435 define Device/Export
 436   $(foreach var,$(DEVICE_VARS) $(DEFAULT_DEVICE_VARS),$(call Device/ExportVar,$(1),$(var)))
 437   $(1) : FILESYSTEM:=$(2)
 438 endef
 439
 440 ifdef IB
 441   DEVICE_CHECK_PROFILE = $(filter $(1),DEVICE_$(PROFILE) $(PROFILE))
 442 else
 443   DEVICE_CHECK_PROFILE = $(CONFIG_TARGET_$(if $(CONFIG_TARGET_MULTI_PROFILE),DEVICE_)$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_$(1))
 444 endif
 445
 446 DEVICE_EXTRA_PACKAGES = $(call qstrip,$(CONFIG_TARGET_DEVICE_PACKAGES_$(call target_conf,$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET)))_DEVICE_$(1)))
 447
 448 define merge_packages
 449   $(1) :=
 450   $(foreach pkg,$(2),
 451     $(1) := $$(strip $$(filter-out -$$(patsubst -%,%,$(pkg)) $$(patsubst -%,%,$(pkg)),$$($(1))) $(pkg))
 452   )
 453 endef
 454
 455 define Device/Check/Common
 456   _PROFILE_SET = $$(strip $$(foreach profile,$$(PROFILES) DEVICE_$(1),$$(call DEVICE_CHECK_PROFILE,$$(profile))))
 457   DEVICE_PACKAGES += $$(call extra_packages,$$(DEVICE_PACKAGES))
 458   ifdef TARGET_PER_DEVICE_ROOTFS
 459     $$(eval $$(call merge_packages,_PACKAGES,$$(DEVICE_PACKAGES) $$(call DEVICE_EXTRA_PACKAGES,$(1))))
 460     ROOTFS_ID/$(1) := $$(if $$(_PROFILE_SET),$$(call mkfs_packages_id,$$(_PACKAGES)))
 461     PACKAGES_$$(ROOTFS_ID/$(1)) := $$(_PACKAGES)
 462   endif
 463 endef
 464
 465 define Device/Check
 466   $(Device/Check/Common)
 467   KDIR_KERNEL_IMAGE := $(KDIR)/$(1)$$(KERNEL_SUFFIX)
 468   _TARGET := $$(if $$(_PROFILE_SET),install-images,install-disabled)
 469   ifndef IB
 470     _COMPILE_TARGET := $$(if $(CONFIG_IB)$$(_PROFILE_SET),compile,compile-disabled)
 471   endif
 472 endef
 473
 474 ifndef IB
 475 define Device/Build/initramfs
 476   $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1))
 477   $$(_TARGET): $$(if $$(KERNEL_INITRAMFS),$(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE) \
 478           $$(if $$(CONFIG_JSON_OVERVIEW_IMAGE_INFO), $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,))
 479
 480   $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare
 481   $(1)-images: $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
 482   $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE)
 483         cp $$^ $$@
 484
 485   $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 486         @rm -f $$@
 487         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 488
 489   $(call Device/Export,$(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json,$(1))
 490
 491   $(BUILD_DIR)/json_info_files/$$(KERNEL_INITRAMFS_IMAGE).json: $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE)
 492         @mkdir -p $$(shell dirname $$@)
 493         DEVICE_ID="$(1)" \
 494         BIN_DIR="$(BIN_DIR)" \
 495         SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
 496         DEVICE_IMG_NAME="$$(notdir $$^)" \
 497         IMAGE_TYPE="kernel" \
 498         IMAGE_FILESYSTEM="initramfs" \
 499         DEVICE_IMG_PREFIX="$$(DEVICE_IMG_PREFIX)" \
 500         DEVICE_VENDOR="$$(DEVICE_VENDOR)" \
 501         DEVICE_MODEL="$$(DEVICE_MODEL)" \
 502         DEVICE_VARIANT="$$(DEVICE_VARIANT)" \
 503         DEVICE_ALT0_VENDOR="$$(DEVICE_ALT0_VENDOR)" \
 504         DEVICE_ALT0_MODEL="$$(DEVICE_ALT0_MODEL)" \
 505         DEVICE_ALT0_VARIANT="$$(DEVICE_ALT0_VARIANT)" \
 506         DEVICE_ALT1_VENDOR="$$(DEVICE_ALT1_VENDOR)" \
 507         DEVICE_ALT1_MODEL="$$(DEVICE_ALT1_MODEL)" \
 508         DEVICE_ALT1_VARIANT="$$(DEVICE_ALT1_VARIANT)" \
 509         DEVICE_ALT2_VENDOR="$$(DEVICE_ALT2_VENDOR)" \
 510         DEVICE_ALT2_MODEL="$$(DEVICE_ALT2_MODEL)" \
 511         DEVICE_ALT2_VARIANT="$$(DEVICE_ALT2_VARIANT)" \
 512         DEVICE_TITLE="$$(DEVICE_TITLE)" \
 513         DEVICE_PACKAGES="$$(DEVICE_PACKAGES)" \
 514         TARGET="$(BOARD)" \
 515         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 516         VERSION_NUMBER="$(VERSION_NUMBER)" \
 517         VERSION_CODE="$(VERSION_CODE)" \
 518         SUPPORTED_DEVICES="$$(SUPPORTED_DEVICES)" \
 519         $(TOPDIR)/scripts/json_add_image_info.py $$@
 520 endef
 521 endif
 522
 523 define Device/Build/compile
 524   $$(_COMPILE_TARGET): $(KDIR)/$(1)
 525   $(eval $(call Device/Export,$(KDIR)/$(1)))
 526   $(KDIR)/$(1):
 527         $$(call concat_cmd,$(COMPILE/$(1)))
 528
 529 endef
 530
 531 ifndef IB
 532 define Device/Build/dtb
 533   ifndef BUILD_DTS_$(1)
 534   BUILD_DTS_$(1) := 1
 535   $(KDIR)/image-$(1).dtb: FORCE
 536         $(call Image/BuildDTB,$(strip $(2))/$(strip $(3)).dts,$$@)
 537
 538   image_prepare: $(KDIR)/image-$(1).dtb
 539   endif
 540
 541 endef
 542 endif
 543
 544 define Device/Build/kernel
 545   $$(eval $$(foreach dts,$$(DEVICE_DTS) $$(DEVICE_DTS_OVERLAY), \
 546         $$(call Device/Build/dtb,$$(notdir $$(dts)), \
 547                 $$(if $$(DEVICE_DTS_DIR),$$(DEVICE_DTS_DIR),$$(DTS_DIR)), \
 548                 $$(dts) \
 549         ) \
 550   ))
 551
 552   $(KDIR)/$$(KERNEL_NAME):: image_prepare
 553   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE))
 554   $(call Device/Export,$$(KDIR_KERNEL_IMAGE),$(1))
 555   $(BIN_DIR)/$$(KERNEL_IMAGE): $$(KDIR_KERNEL_IMAGE)
 556         cp $$^ $$@
 557   ifndef IB
 558     ifdef CONFIG_IB
 559       install: $$(KDIR_KERNEL_IMAGE)
 560     endif
 561     $$(KDIR_KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) image_prepare
 562         @rm -f $$@
 563         $$(call concat_cmd,$$(KERNEL))
 564         $$(if $$(KERNEL_SIZE),$$(call Build/check-size,$$(KERNEL_SIZE)))
 565   endif
 566 endef
 567
 568 define Device/Build/image
 569   GZ_SUFFIX := $(if $(filter %dtb %gz,$(2)),,$(if $(and $(findstring ext4,$(1)),$(CONFIG_TARGET_IMAGES_GZIP)),.gz))
 570   $$(_TARGET): $(if $(CONFIG_JSON_OVERVIEW_IMAGE_INFO), \
 571           $(BUILD_DIR)/json_info_files/$(call DEVICE_IMG_NAME,$(1),$(2)).json, \
 572           $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX))
 573   $(eval $(call Device/Export,$(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2)),$(1)))
 574   $(3)-images: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX)
 575
 576   ROOTFS/$(1)/$(3) := \
 577         $(KDIR)/root.$(1)$$(strip \
 578                 $$(if $$(FS_OPTIONS/$(1)),+fs=$$(call param_mangle,$$(FS_OPTIONS/$(1)))) \
 579         )$$(strip \
 580                 $(if $(TARGET_PER_DEVICE_ROOTFS),+pkg=$$(ROOTFS_ID/$(3))) \
 581         )
 582   ifndef IB
 583     $$(ROOTFS/$(1)/$(3)): $(if $(TARGET_PER_DEVICE_ROOTFS),target-dir-$$(ROOTFS_ID/$(3)))
 584   endif
 585   $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2)): $$(KDIR_KERNEL_IMAGE) $$(ROOTFS/$(1)/$(3))
 586         @rm -f $$@
 587         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 588         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 589
 590   .IGNORE: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))
 591
 592   $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2)).gz: $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2))
 593         gzip -c -9n $$^ > $$@
 594
 595   $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2)): $(KDIR)/tmp/$(call DEVICE_IMG_NAME,$(1),$(2))
 596         cp $$^ $$@
 597
 598   $(BUILD_DIR)/json_info_files/$(call DEVICE_IMG_NAME,$(1),$(2)).json: $(BIN_DIR)/$(call DEVICE_IMG_NAME,$(1),$(2))$$(GZ_SUFFIX)
 599         @mkdir -p $$(shell dirname $$@)
 600         DEVICE_ID="$(DEVICE_NAME)" \
 601         BIN_DIR="$(BIN_DIR)" \
 602         SOURCE_DATE_EPOCH=$(SOURCE_DATE_EPOCH) \
 603         DEVICE_IMG_NAME="$(DEVICE_IMG_NAME)" \
 604         IMAGE_TYPE=$(word 1,$(subst ., ,$(2))) \
 605         IMAGE_FILESYSTEM="$(1)" \
 606         DEVICE_IMG_PREFIX="$(DEVICE_IMG_PREFIX)" \
 607         DEVICE_VENDOR="$(DEVICE_VENDOR)" \
 608         DEVICE_MODEL="$(DEVICE_MODEL)" \
 609         DEVICE_VARIANT="$(DEVICE_VARIANT)" \
 610         DEVICE_ALT0_VENDOR="$(DEVICE_ALT0_VENDOR)" \
 611         DEVICE_ALT0_MODEL="$(DEVICE_ALT0_MODEL)" \
 612         DEVICE_ALT0_VARIANT="$(DEVICE_ALT0_VARIANT)" \
 613         DEVICE_ALT1_VENDOR="$(DEVICE_ALT1_VENDOR)" \
 614         DEVICE_ALT1_MODEL="$(DEVICE_ALT1_MODEL)" \
 615         DEVICE_ALT1_VARIANT="$(DEVICE_ALT1_VARIANT)" \
 616         DEVICE_ALT2_VENDOR="$(DEVICE_ALT2_VENDOR)" \
 617         DEVICE_ALT2_MODEL="$(DEVICE_ALT2_MODEL)" \
 618         DEVICE_ALT2_VARIANT="$(DEVICE_ALT2_VARIANT)" \
 619         DEVICE_TITLE="$(DEVICE_TITLE)" \
 620         DEVICE_PACKAGES="$(DEVICE_PACKAGES)" \
 621         TARGET="$(BOARD)" \
 622         SUBTARGET="$(if $(SUBTARGET),$(SUBTARGET),generic)" \
 623         VERSION_NUMBER="$(VERSION_NUMBER)" \
 624         VERSION_CODE="$(VERSION_CODE)" \
 625         SUPPORTED_DEVICES="$(SUPPORTED_DEVICES)" \
 626         $(TOPDIR)/scripts/json_add_image_info.py $$@
 627
 628 endef
 629
 630 define Device/Build/artifact
 631   $$(_TARGET): $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1)
 632   $(eval $(call Device/Export,$(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1)))
 633   $(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1): $$(KDIR_KERNEL_IMAGE) $(2)-images
 634         @rm -f $$@
 635         $$(call concat_cmd,$(ARTIFACT/$(1)))
 636
 637   .IGNORE: $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1)
 638
 639   $(BIN_DIR)/$(DEVICE_IMG_PREFIX)-$(1): $(KDIR)/tmp/$(DEVICE_IMG_PREFIX)-$(1)
 640         cp $$^ $$@
 641
 642 endef
 643
 644 define Device/Build
 645   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 646   $(call Device/Build/kernel,$(1))
 647
 648   $$(eval $$(foreach compile,$$(COMPILE), \
 649     $$(call Device/Build/compile,$$(compile),$(1))))
 650
 651   $$(eval $$(foreach image,$$(IMAGES), \
 652     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 653       $$(call Device/Build/image,$$(fs),$$(image),$(1)))))
 654
 655   $$(eval $$(foreach artifact,$$(ARTIFACTS), \
 656     $$(call Device/Build/artifact,$$(artifact),$(1))))
 657
 658 endef
 659
 660 define Device/DumpInfo
 661 Target-Profile: DEVICE_$(1)
 662 Target-Profile-Name: $(DEVICE_DISPLAY)
 663 Target-Profile-Packages: $(DEVICE_PACKAGES)
 664 Target-Profile-hasImageMetadata: $(if $(foreach image,$(IMAGES),$(findstring append-metadata,$(IMAGE/$(image)))),1,0)
 665 Target-Profile-SupportedDevices: $(SUPPORTED_DEVICES)
 666 $(if $(BROKEN),Target-Profile-Broken: $(BROKEN))
 667 $(if $(DEFAULT),Target-Profile-Default: $(DEFAULT))
 668 Target-Profile-Description:
 669 $(DEVICE_DESCRIPTION)
 670 $(if $(strip $(DEVICE_ALT0_TITLE)),Alternative device titles:
 671 - $(DEVICE_ALT0_TITLE))
 672 $(if $(strip $(DEVICE_ALT1_TITLE)),- $(DEVICE_ALT1_TITLE))
 673 $(if $(strip $(DEVICE_ALT2_TITLE)),- $(DEVICE_ALT2_TITLE))
 674 @@
 675
 676 endef
 677
 678 define Device/Dump
 679 ifneq ($$(strip $$(DEVICE_ALT0_TITLE)),)
 680 DEVICE_DISPLAY = $$(DEVICE_ALT0_TITLE) ($$(DEVICE_TITLE))
 681 $$(info $$(call Device/DumpInfo,$(1)))
 682 endif
 683 ifneq ($$(strip $$(DEVICE_ALT1_TITLE)),)
 684 DEVICE_DISPLAY = $$(DEVICE_ALT1_TITLE) ($$(DEVICE_TITLE))
 685 $$(info $$(call Device/DumpInfo,$(1)))
 686 endif
 687 ifneq ($$(strip $$(DEVICE_ALT2_TITLE)),)
 688 DEVICE_DISPLAY = $$(DEVICE_ALT2_TITLE) ($$(DEVICE_TITLE))
 689 $$(info $$(call Device/DumpInfo,$(1)))
 690 endif
 691 DEVICE_DISPLAY = $$(DEVICE_TITLE)
 692 $$(eval $$(if $$(DEVICE_TITLE),$$(info $$(call Device/DumpInfo,$(1)))))
 693 endef
 694
 695 define Device
 696   $(call Device/InitProfile,$(1))
 697   $(call Device/Init,$(1))
 698   $(call Device/Default,$(1))
 699   $(call Device/$(1),$(1))
 700   $(call Device/Check,$(1))
 701   $(call Device/$(if $(DUMP),Dump,Build),$(1))
 702
 703 endef
 704
 705 define BuildImage
 706
 707   ifneq ($(DUMP),)
 708     all: dumpinfo
 709     dumpinfo: FORCE
 710         @true
 711   endif
 712
 713   download:
 714   prepare:
 715   compile:
 716   clean:
 717   image_prepare:
 718
 719   ifeq ($(IB),)
 720     .PHONY: download prepare compile clean image_prepare kernel_prepare install install-images
 721     compile:
 722                 $(call Build/Compile)
 723
 724     clean:
 725                 $(call Build/Clean)
 726
 727     image_prepare: compile
 728                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 729                 rm -rf $(BUILD_DIR)/json_info_files
 730                 $(call Image/Prepare)
 731
 732   else
 733     image_prepare:
 734                 mkdir -p $(BIN_DIR) $(KDIR)/tmp
 735   endif
 736
 737   kernel_prepare: image_prepare
 738         $(call Image/Build/targz)
 739         $(call Image/Build/cpiogz)
 740         $(call Image/BuildKernel)
 741         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs)))
 742         $(call Image/InstallKernel)
 743
 744   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 745
 746   install-images: kernel_prepare $(foreach fs,$(filter-out $(if $(UBIFS_OPTS),,ubifs),$(TARGET_FILESYSTEMS) $(fs-subtypes-y)),$(KDIR)/root.$(fs))
 747         $(foreach fs,$(TARGET_FILESYSTEMS),
 748                 $(call Image/Build,$(fs))
 749         )
 750
 751   install: install-images
 752         $(call Image/Manifest)
 753
 754 endef