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 8override TARGET_BUILD= 9include $(INCLUDE_DIR)/prereq.mk 10include $(INCLUDE_DIR)/kernel.mk 11include $(INCLUDE_DIR)/host.mk 12include $(INCLUDE_DIR)/version.mk 13 14override MAKE:=$(_SINGLE)$(SUBMAKE) 15override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE) 16 17KDIR=$(KERNEL_BUILD_DIR) 18KDIR_TMP=$(KDIR)/tmp 19DTS_DIR:=$(LINUX_DIR)/arch/$(LINUX_KARCH)/boot/dts 20 21sanitize = $(call tolower,$(subst _,-,$(1))) 22 23DIST_SANITIZED:=$(call sanitize,$(VERSION_DIST)) 24EXTRA_NAME_SANITIZED=$(call sanitize,$(EXTRA_IMAGE_NAME)) 25 26IMG_PREFIX:=$(DIST_SANITIZED)-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(if $(EXTRA_NAME_SANITIZED),$(EXTRA_NAME_SANITIZED)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET)) 27 28MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt 29 30ifneq ($(CONFIG_BIG_ENDIAN),) 31 JFFS2OPTS := --big-endian --squash-uids -v 32else 33 JFFS2OPTS := --little-endian --squash-uids -v 34endif 35 36ifeq ($(CONFIG_JFFS2_RTIME),y) 37 JFFS2OPTS += -X rtime 38endif 39ifeq ($(CONFIG_JFFS2_ZLIB),y) 40 JFFS2OPTS += -X zlib 41endif 42ifeq ($(CONFIG_JFFS2_LZMA),y) 43 JFFS2OPTS += -X lzma --compression-mode=size 44endif 45ifneq ($(CONFIG_JFFS2_RTIME),y) 46 JFFS2OPTS += -x rtime 47endif 48ifneq ($(CONFIG_JFFS2_ZLIB),y) 49 JFFS2OPTS += -x zlib 50endif 51ifneq ($(CONFIG_JFFS2_LZMA),y) 52 JFFS2OPTS += -x lzma 53endif 54 55JFFS2OPTS += $(MKFS_DEVTABLE_OPT) 56 57SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k 58SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE) 59SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1' 60SQUASHFSCOMP := gzip 61LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2 62ifeq ($(CONFIG_SQUASHFS_LZMA),y) 63 SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS) 64endif 65ifeq ($(CONFIG_SQUASHFS_XZ),y) 66 ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),) 67 BCJ_FILTER:=-Xbcj $(LINUX_KARCH) 68 endif 69 SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER) 70endif 71 72JFFS2_BLOCKSIZE ?= 64k 128k 73 74fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs 75fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE)) 76fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE)) 77fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4 78fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso 79fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE))) 80fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz 81fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz 82 83TARGET_FILESYSTEMS := $(fs-types-y) 84 85FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k 86FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k 87FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k 88 89define add_jffs2_mark 90 echo -ne '\xde\xad\xc0\xde' >> $(1) 91endef 92 93PROFILE_SANITIZED := $(call sanitize,$(PROFILE)) 94 95define split_args 96$(foreach data, \ 97 $(subst |,$(space),\ 98 $(subst $(space),^,$(1))), \ 99 $(call $(2),$(strip $(subst ^,$(space),$(data))))) 100endef 101 102define build_cmd 103$(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1)))) 104$(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1))) 105 106endef 107 108define concat_cmd 109$(call split_args,$(1),build_cmd) 110endef 111 112# pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark 113define prepare_generic_squashfs 114 $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256 115endef 116 117define Image/BuildKernel/Initramfs 118 $(call Image/Build/Initramfs) 119endef 120 121define Image/BuildKernel/MkuImage 122 mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \ 123 -n '$(call toupper,$(ARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $(4) $(5) 124endef 125 126define Image/BuildKernel/MkFIT 127 $(TOPDIR)/scripts/mkits.sh \ 128 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) $(if $(3),-d $(3)) -C $(4) -a $(5) -e $(6) \ 129 -A $(LINUX_KARCH) -v $(LINUX_VERSION) 130 PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb 131endef 132 133# $(1) source dts file 134# $(2) target dtb file 135# $(3) extra CPP flags 136# $(4) extra DTC flags 137define Image/BuildDTB 138 $(TARGET_CROSS)cpp -nostdinc -x assembler-with-cpp \ 139 -I$(DTS_DIR) \ 140 -I$(DTS_DIR)/include \ 141 -undef -D__DTS__ $(3) \ 142 -o $(2).tmp $(1) 143 $(LINUX_DIR)/scripts/dtc/dtc -O dtb \ 144 -i$(dir $(1)) $(4) \ 145 -o $(2) $(2).tmp 146 $(RM) $(2).tmp 147endef 148 149define Image/mkfs/jffs2/sub 150 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) --pad -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/' 151 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2)) 152endef 153 154define Image/mkfs/jffs2/sub-raw 155 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/' 156endef 157 158define Image/mkfs/jffs2/template 159 Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS)) 160 Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS)) 161 162endef 163 164define Image/mkfs/jffs2-nand/template 165 Image/mkfs/jffs2-nand-$(1) = \ 166 $$(call Image/mkfs/jffs2/sub, \ 167 $(word 2,$(subst -, ,$(1))),nand-$(1), \ 168 $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1)))) 169 170endef 171 172$(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S)))) 173$(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S)))) 174 175define Image/mkfs/squashfs 176 $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp $(SQUASHFSCOMP) $(SQUASHFSOPT) -processors $(if $(CONFIG_PKG_BUILD_JOBS),$(CONFIG_PKG_BUILD_JOBS),1) $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH)) 177endef 178 179# $(1): board name 180# $(2): rootfs type 181# $(3): kernel image 182ifneq ($(CONFIG_NAND_SUPPORT),) 183 define Image/Build/SysupgradeNAND 184 mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/" 185 echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL" 186 [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root" 187 [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel" 188 (cd "$(KDIR_TMP)"; $(TAR) cvf \ 189 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1) \ 190 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \ 191 ) 192 endef 193 194# $(1) board name 195# $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage) 196# $(3) rootfstype (e.g. squashfs or ubifs) 197# $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS))) 198 define Image/Build/UbinizeImage 199 sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \ 200 "$(KDIR)/root.$(3)" \ 201 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \ 202 $(4) 203 endef 204 205endif 206 207ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),) 208 define Image/mkfs/ubifs/generate 209 $(CP) ./ubinize$(1).cfg $(KDIR) 210 ( cd $(KDIR); \ 211 $(STAGING_DIR_HOST)/bin/ubinize \ 212 $(if $($(PROFILE)_UBI_OPTS), \ 213 $(shell echo $($(PROFILE)_UBI_OPTS)), \ 214 $(shell echo $(UBI_OPTS)) \ 215 ) \ 216 -o $(KDIR)/root$(1).ubi \ 217 ubinize$(1).cfg \ 218 ) 219 endef 220 221 define Image/mkfs/ubifs 222 223 ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),) 224 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \ 225 $(if $($(PROFILE)_UBIFS_OPTS), \ 226 $(shell echo $($(PROFILE)_UBIFS_OPTS)), \ 227 $(shell echo $(UBIFS_OPTS)) \ 228 ) \ 229 $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \ 230 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \ 231 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \ 232 $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \ 233 $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \ 234 --squash-uids \ 235 -o $(KDIR)/root.ubifs \ 236 -d $(TARGET_DIR) 237 endif 238 $(call Image/Build,ubifs) 239 240 ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),) 241 $(if $(wildcard ./ubinize.cfg),$(call Image/mkfs/ubifs/generate,)) 242 $(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay)) 243 endif 244 $(if $(wildcard ./ubinize.cfg),$(call Image/Build,ubi)) 245 endef 246endif 247 248define Image/mkfs/cpiogz 249 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9n >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz ) 250endef 251 252define Image/mkfs/targz 253 $(TAR) -cp --numeric-owner --owner=0 --group=0 --sort=name \ 254 $(if $(SOURCE_DATE_EPOCH),--mtime="@$(SOURCE_DATE_EPOCH)") \ 255 -C $(TARGET_DIR)/ . | gzip -9n > $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE_SANITIZED),-$(PROFILE_SANITIZED))-rootfs.tar.gz 256endef 257 258E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024))) 259 260define Image/mkfs/ext4 261 $(STAGING_DIR_HOST)/bin/make_ext4fs \ 262 -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \ 263 -i $(CONFIG_TARGET_EXT4_MAXINODE) \ 264 -m $(CONFIG_TARGET_EXT4_RESERVED_PCT) \ 265 $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \ 266 $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \ 267 $(KDIR)/root.ext4 $(TARGET_DIR)/ 268endef 269 270define Image/mkfs/prepare/default 271 # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits 272 - $(FIND) $(TARGET_DIR) -type f -not -perm /0100 -not -name 'ssh_host*' -not -name 'shadow' -print0 | $(XARGS) -0 chmod u+rw,g+r,o+r 273 - $(FIND) $(TARGET_DIR) -type f -perm /0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx 274 - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx 275 $(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay 276 chmod 1777 $(TARGET_DIR)/tmp 277endef 278 279define Image/mkfs/prepare 280 $(call Image/mkfs/prepare/default) 281endef 282 283 284define Image/Checksum 285 ( cd ${BIN_DIR} ; \ 286 $(FIND) -maxdepth 1 -type f \! -name 'md5sums' -printf "%P\n" | sort | xargs $1 > $2 \ 287 ) 288endef 289 290define BuildImage/mkfs 291 install: mkfs-$(1) 292 .PHONY: mkfs-$(1) 293 mkfs-$(1): kernel_prepare 294 $(Image/mkfs/$(1)) 295 $(call Build/mkfs/default,$(1)) 296 $(call Build/mkfs/$(1),$(1)) 297 $(KDIR)/root.$(1): mkfs-$(1) 298 299endef 300 301# Build commands that can be called from Device/* templates 302define Build/uImage 303 mkimage -A $(LINUX_KARCH) \ 304 -O linux -T kernel \ 305 -C $(1) -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \ 306 -n '$(call toupper,$(LINUX_KARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $@ $@.new 307 @mv $@.new $@ 308endef 309 310define Build/netgear-chk 311 $(STAGING_DIR_HOST)/bin/mkchkimg \ 312 -o $@.new \ 313 -k $@ \ 314 -b $(NETGEAR_BOARD_ID) \ 315 -r $(NETGEAR_REGION) 316 mv $@.new $@ 317endef 318 319define Build/netgear-dni 320 $(STAGING_DIR_HOST)/bin/mkdniimg \ 321 -B $(NETGEAR_BOARD_ID) -v OpenWrt.$(REVISION) \ 322 $(if $(NETGEAR_HW_ID),-H $(NETGEAR_HW_ID)) \ 323 -r "$(1)" \ 324 -i $@ -o $@.new 325 mv $@.new $@ 326endef 327 328define Build/tplink-safeloader 329 -$(STAGING_DIR_HOST)/bin/tplink-safeloader \ 330 -B $(TPLINK_BOARD_NAME) \ 331 -V $(REVISION) \ 332 -k $(word 1,$^) \ 333 -r $@ \ 334 -o $@.new \ 335 -j \ 336 $(wordlist 2,$(words $(1)),$(1)) \ 337 $(if $(findstring sysupgrade,$(word 1,$(1))),-S) && mv $@.new $@ || rm -f $@ 338endef 339 340define Build/fit 341 $(TOPDIR)/scripts/mkits.sh \ 342 -D $(DEVICE_NAME) -o $@.its -k $@ \ 343 $(if $(word 2,$(1)),-d $(word 2,$(1))) -C $(word 1,$(1)) \ 344 -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \ 345 -A $(LINUX_KARCH) -v $(LINUX_VERSION) 346 PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new 347 @mv $@.new $@ 348endef 349 350define Build/lzma 351 $(call Build/lzma-no-dict,-lc1 -lp2 -pb2 $(1)) 352endef 353 354define Build/lzma-no-dict 355 $(STAGING_DIR_HOST)/bin/lzma e $@ $(1) $@.new 356 @mv $@.new $@ 357endef 358 359define Build/gzip 360 gzip -9n -c $@ $(1) > $@.new 361 @mv $@.new $@ 362endef 363 364define Build/jffs2 365 rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 && \ 366 mkdir -p $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$$(dirname $(1)) && \ 367 cp $@ $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$(1) && \ 368 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 --pad \ 369 $(if $(CONFIG_BIG_ENDIAN),--big-endian,--little-endian) \ 370 --squash-uids -v -e $(patsubst %k,%KiB,$(BLOCKSIZE)) \ 371 -o $@.new \ 372 -d $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 \ 373 2>&1 1>/dev/null | awk '/^.+$$$$/' && \ 374 $(STAGING_DIR_HOST)/bin/padjffs2 $@.new -J $(patsubst %k,,$(BLOCKSIZE)) 375 -rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/ 376 @mv $@.new $@ 377endef 378 379define Build/kernel-bin 380 rm -f $@ 381 cp $< $@ 382endef 383 384define Build/patch-cmdline 385 $(STAGING_DIR_HOST)/bin/patch-cmdline $@ '$(CMDLINE)' 386endef 387 388define Build/append-kernel 389 dd if=$(word 1,$^) $(if $(1),bs=$(1) conv=sync) >> $@ 390endef 391 392define Build/append-rootfs 393 dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@ 394endef 395 396define Build/append-ubi 397 sh $(TOPDIR)/scripts/ubinize-image.sh \ 398 $(if $(UBOOTENV_IN_UBI),--uboot-env) \ 399 $(if $(KERNEL_IN_UBI),--kernel $(word 1,$^)) \ 400 $(word 2,$^) \ 401 $@.tmp \ 402 -p $(BLOCKSIZE) -m $(PAGESIZE) -E 5 \ 403 $(if $(SUBPAGESIZE),-s $(SUBPAGESIZE)) 404 cat $@.tmp >> $@ 405 rm $@.tmp 406endef 407 408define Build/pad-to 409 dd if=$@ of=$@.new bs=$(1) conv=sync 410 mv $@.new $@ 411endef 412 413define Build/pad-rootfs 414 $(call prepare_generic_squashfs,$@ $(1)) 415endef 416 417define Build/pad-offset 418 let \ 419 size="$$(stat -c%s $@)" \ 420 pad="$(word 1, $(1))" \ 421 offset="$(word 2, $(1))" \ 422 pad="(pad - ((size + offset) % pad)) % pad" \ 423 newsize='size + pad'; \ 424 dd if=$@ of=$@.new bs=$$newsize count=1 conv=sync 425 mv $@.new $@ 426endef 427 428define Build/check-size 429 @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \ 430 echo "WARNING: Image file $@ is too big" >&2; \ 431 rm -f $@; \ 432 } 433endef 434 435define Build/combined-image 436 -sh $(TOPDIR)/scripts/combined-image.sh \ 437 "$(word 1,$^)" \ 438 "$@" \ 439 "$@.new" 440 @mv $@.new $@ 441endef 442 443define Build/sysupgrade-nand 444 sh $(TOPDIR)/scripts/sysupgrade-nand.sh \ 445 --board $(if $(BOARD_NAME),$(BOARD_NAME),$(DEVICE_NAME)) \ 446 --kernel $(word 1,$^) \ 447 --rootfs $(word 2,$^) \ 448 $@ 449endef 450 451define Device/Init 452 PROFILES := $(PROFILE) 453 DEVICE_NAME := $(1) 454 KERNEL:= 455 KERNEL_INITRAMFS = $$(KERNEL) 456 KERNEL_SIZE:= 457 CMDLINE:= 458 459 IMAGE_PREFIX := $(IMG_PREFIX)-$(1) 460 IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2) 461 KERNEL_PREFIX = $(1) 462 KERNEL_SUFFIX := -kernel.bin 463 KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX) 464 KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs 465 KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX) 466 KERNEL_INITRAMFS_NAME = $$(KERNEL_NAME)-initramfs 467 KERNEL_INSTALL := 468 KERNEL_NAME := vmlinux 469 KERNEL_DEPENDS := 470 KERNEL_SIZE := 471 472 FILESYSTEMS := $(TARGET_FILESYSTEMS) 473endef 474 475define Device/ExportVar 476 $(1) : $(2):=$$($(2)) 477 478endef 479define Device/Export 480 $(foreach var,$(DEVICE_VARS) DEVICE_NAME KERNEL KERNEL_INITRAMFS KERNEL_INITRAMFS_IMAGE,$(call Device/ExportVar,$(1),$(var))) 481 $(1) : FILESYSTEM:=$(2) 482endef 483 484define Device/Check 485 _TARGET = $$(if $$(filter $(PROFILE),$$(PROFILES)),install,install-disabled) 486 _COMPILE_TARGET = $$(if $(if $(IB),,$(CONFIG_IB)$$(filter $(PROFILE),$$(PROFILES))),compile,compile-disabled) 487endef 488 489ifndef IB 490define Device/Build/initramfs 491 $(call Device/Export,$(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE),$(1)) 492 $$(_TARGET): $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE) 493 494 $(KDIR)/$$(KERNEL_INITRAMFS_NAME):: image_prepare 495 $(BIN_DIR)/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE) 496 cp $$^ $$@ 497 498 $(KDIR)/tmp/$$(KERNEL_INITRAMFS_IMAGE): $(KDIR)/$$(KERNEL_INITRAMFS_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) 499 @rm -f $$@ 500 $$(call concat_cmd,$$(KERNEL_INITRAMFS)) 501endef 502endif 503 504define Device/Build/check_size 505 @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -ge "$$(stat -c%s $@)" ] || { \ 506 echo "WARNING: Image file $@ is too big" >&2; \ 507 rm -f $@; \ 508 } 509endef 510 511define Device/Build/compile 512 $$(_COMPILE_TARGET): $(KDIR)/$(1) 513 $(eval $(call Device/Export,$(KDIR)/$(1))) 514 $(KDIR)/$(1): 515 $$(call concat_cmd,$(COMPILE/$(1))) 516 517endef 518 519define Device/Build/kernel 520 _KERNEL_IMAGES += $(KDIR)/$$(KERNEL_NAME) 521 $(KDIR)/$$(KERNEL_NAME):: image_prepare 522 $$(_TARGET): $$(if $$(KERNEL_INSTALL),$(BIN_DIR)/$$(KERNEL_IMAGE)) 523 $(call Device/Export,$(KDIR)/$$(KERNEL_IMAGE),$(1)) 524 $(BIN_DIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_IMAGE) 525 cp $$^ $$@ 526 ifndef IB 527 ifdef CONFIG_IB 528 install: $(KDIR)/$$(KERNEL_IMAGE) 529 endif 530 $(KDIR)/$$(KERNEL_IMAGE): $(KDIR)/$$(KERNEL_NAME) $(CURDIR)/Makefile $$(KERNEL_DEPENDS) 531 @rm -f $$@ 532 $$(call concat_cmd,$$(KERNEL)) 533 $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE))) 534 endif 535endef 536 537define Device/Build/image 538 $$(_TARGET): $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)) 539 $(eval $(call Device/Export,$(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)),$(1))) 540 $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/$$(KERNEL_IMAGE) $(KDIR)/root.$(1) 541 @rm -f $$@ 542 [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ] 543 $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2)))) 544 545 .IGNORE: $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)) 546 $(BIN_DIR)/$(call IMAGE_NAME,$(1),$(2)): $(KDIR)/tmp/$(call IMAGE_NAME,$(1),$(2)) 547 cp $$^ $$@ 548 549endef 550 551define Device/Build 552 $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1))) 553 $(call Device/Build/kernel,$(1)) 554 555 $$(eval $$(foreach compile,$$(COMPILE), \ 556 $$(call Device/Build/compile,$$(compile),$(1)))) 557 558 $$(eval $$(foreach image,$$(IMAGES), \ 559 $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \ 560 $$(call Device/Build/image,$$(fs),$$(image),$(1))))) 561endef 562 563define Device 564 $(call Device/Init,$(1)) 565 $(call Device/Default,$(1)) 566 $(call Device/Check,$(1)) 567 $(call Device/$(1),$(1)) 568 $(call Device/Build,$(1)) 569 570endef 571 572define BuildImage 573 574 download: 575 prepare: 576 compile: 577 clean: 578 image_prepare: 579 580 ifeq ($(IB),) 581 .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install 582 compile: 583 $(call Build/Compile) 584 585 clean: 586 $(call Build/Clean) 587 588 image_prepare: compile 589 mkdir -p $(KDIR)/tmp 590 $(call Image/Prepare) 591 else 592 image_prepare: 593 mkdir -p $(KDIR)/tmp 594 endif 595 596 mkfs_prepare: image_prepare 597 $(call Image/mkfs/prepare) 598 599 kernel_prepare: mkfs_prepare 600 $(call Image/BuildKernel) 601 $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(if $(IB),,$(call Image/BuildKernel/Initramfs))) 602 $(call Image/InstallKernel) 603 604 $(foreach device,$(TARGET_DEVICES),$(call Device,$(device))) 605 $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs))) 606 607 install: kernel_prepare 608 $(foreach fs,$(TARGET_FILESYSTEMS), 609 $(call Image/Build,$(fs)) 610 ) 611 $(call Image/mkfs/ubifs) 612 $(call Image/Checksum,md5sum --binary,md5sums) 613 $(call Image/Checksum,openssl dgst -sha256,sha256sums) 614 615endef 616