include/image-commands.mk

   1 # Build commands that can be called from Device/* templates
   2
   3 IMAGE_KERNEL = $(word 1,$^)
   4 IMAGE_ROOTFS = $(word 2,$^)
   5
   6 define ModelNameLimit16
   7 $(shell expr substr "$(word 2, $(subst _, ,$(1)))" 1 16)
   8 endef
   9
  10 define rootfs_align
  11 $(patsubst %-256k,0x40000,$(patsubst %-128k,0x20000,$(patsubst %-64k,0x10000,$(patsubst squashfs%,0x4,$(patsubst root.%,%,$(1))))))
  12 endef
  13
  14
  15 define Build/append-dtb
  16         cat $(KDIR)/image-$(firstword $(DEVICE_DTS)).dtb >> $@
  17 endef
  18
  19 define Build/append-dtb-elf
  20         $(TARGET_CROSS)objcopy \
  21                 --set-section-flags=.appended_dtb=alloc,contents \
  22                 --update-section \
  23                 .appended_dtb=$(KDIR)/image-$(firstword $(DEVICE_DTS)).dtb $@
  24 endef
  25
  26 define Build/append-kernel
  27         dd if=$(IMAGE_KERNEL) >> $@
  28 endef
  29
  30 compat_version=$(if $(DEVICE_COMPAT_VERSION),$(DEVICE_COMPAT_VERSION),1.0)
  31 json_quote=$(subst ','\'',$(subst ",\",$(1)))
  32 #")')
  33
  34 legacy_supported_message=$(SUPPORTED_DEVICES) - Image version mismatch: image $(compat_version), \
  35         device 1.0. Please wipe config during upgrade (force required) or reinstall. \
  36         $(if $(DEVICE_COMPAT_MESSAGE),Reason: $(DEVICE_COMPAT_MESSAGE),Please check documentation ...)
  37
  38 metadata_devices=$(if $(1),$(subst "$(space)","$(comma)",$(strip $(foreach v,$(1),"$(call json_quote,$(v))"))))
  39 metadata_json = \
  40         '{ $(if $(IMAGE_METADATA),$(IMAGE_METADATA)$(comma)) \
  41                 "metadata_version": "1.1", \
  42                 "compat_version": "$(call json_quote,$(compat_version))", \
  43                 $(if $(DEVICE_COMPAT_MESSAGE),"compat_message": "$(call json_quote,$(DEVICE_COMPAT_MESSAGE))"$(comma)) \
  44                 $(if $(filter-out 1.0,$(compat_version)),"new_supported_devices": \
  45                         [$(call metadata_devices,$(SUPPORTED_DEVICES))]$(comma) \
  46                         "supported_devices": ["$(call json_quote,$(legacy_supported_message))"]$(comma)) \
  47                 $(if $(filter 1.0,$(compat_version)),"supported_devices":[$(call metadata_devices,$(SUPPORTED_DEVICES))]$(comma)) \
  48                 "version": { \
  49                         "dist": "$(call json_quote,$(VERSION_DIST))", \
  50                         "version": "$(call json_quote,$(VERSION_NUMBER))", \
  51                         "revision": "$(call json_quote,$(REVISION))", \
  52                         "target": "$(call json_quote,$(TARGETID))", \
  53                         "board": "$(call json_quote,$(if $(BOARD_NAME),$(BOARD_NAME),$(DEVICE_NAME)))" \
  54                 } \
  55         }'
  56
  57 define Build/append-metadata
  58         $(if $(SUPPORTED_DEVICES),-echo $(call metadata_json) | fwtool -I - $@)
  59         [ ! -s "$(BUILD_KEY)" -o ! -s "$(BUILD_KEY).ucert" -o ! -s "$@" ] || { \
  60                 cp "$(BUILD_KEY).ucert" "$@.ucert" ;\
  61                 usign -S -m "$@" -s "$(BUILD_KEY)" -x "$@.sig" ;\
  62                 ucert -A -c "$@.ucert" -x "$@.sig" ;\
  63                 fwtool -S "$@.ucert" "$@" ;\
  64         }
  65 endef
  66
  67 define Build/append-rootfs
  68         dd if=$(IMAGE_ROOTFS) >> $@
  69 endef
  70
  71 define Build/append-squashfs-fakeroot-be
  72         rm -rf $@.fakefs $@.fakesquashfs
  73         mkdir $@.fakefs
  74         $(STAGING_DIR_HOST)/bin/mksquashfs-lzma \
  75                 $@.fakefs $@.fakesquashfs \
  76                 -noappend -root-owned -be -nopad -b 65536 \
  77                 $(if $(SOURCE_DATE_EPOCH),-fixed-time $(SOURCE_DATE_EPOCH))
  78         cat $@.fakesquashfs >> $@
  79 endef
  80
  81 define Build/append-string
  82         echo -n $(1) >> $@
  83 endef
  84
  85 define Build/append-ubi
  86         sh $(TOPDIR)/scripts/ubinize-image.sh \
  87                 $(if $(UBOOTENV_IN_UBI),--uboot-env) \
  88                 $(if $(KERNEL_IN_UBI),--kernel $(IMAGE_KERNEL)) \
  89                 $(foreach part,$(UBINIZE_PARTS),--part $(part)) \
  90                 $(IMAGE_ROOTFS) \
  91                 $@.tmp \
  92                 -p $(BLOCKSIZE:%k=%KiB) -m $(PAGESIZE) \
  93                 $(if $(SUBPAGESIZE),-s $(SUBPAGESIZE)) \
  94                 $(if $(VID_HDR_OFFSET),-O $(VID_HDR_OFFSET)) \
  95                 $(UBINIZE_OPTS)
  96         cat $@.tmp >> $@
  97         rm $@.tmp
  98 endef
  99
 100 define Build/append-uboot
 101         dd if=$(UBOOT_PATH) >> $@
 102 endef
 103
 104 # append a fake/empty uImage header, to fool bootloaders rootfs integrity check
 105 # for example
 106 define Build/append-uImage-fakehdr
 107         $(eval type=$(word 1,$(1)))
 108         $(eval magic=$(word 2,$(1)))
 109         touch $@.fakehdr
 110         $(STAGING_DIR_HOST)/bin/mkimage \
 111                 -A $(LINUX_KARCH) -O linux -T $(type) -C none \
 112                 -n '$(VERSION_DIST) fake $(type)' \
 113                 $(if $(magic),-M $(magic)) \
 114                 -d $@.fakehdr \
 115                 -s \
 116                 $@.fakehdr
 117         cat $@.fakehdr >> $@
 118 endef
 119
 120 define Build/buffalo-dhp-image
 121         $(STAGING_DIR_HOST)/bin/mkdhpimg $@ $@.new
 122         mv $@.new $@
 123 endef
 124
 125 define Build/buffalo-enc
 126         $(eval product=$(word 1,$(1)))
 127         $(eval version=$(word 2,$(1)))
 128         $(eval args=$(wordlist 3,$(words $(1)),$(1)))
 129         $(STAGING_DIR_HOST)/bin/buffalo-enc \
 130                 -p $(product) -v $(version) $(args) \
 131                 -i $@ -o $@.new
 132         mv $@.new $@
 133 endef
 134
 135 define Build/buffalo-enc-tag
 136         $(call Build/buffalo-enc,'' '' -S 152 $(1))
 137 endef
 138
 139 define Build/buffalo-tag-dhp
 140         $(eval product=$(word 1,$(1)))
 141         $(eval region=$(word 2,$(1)))
 142         $(eval language=$(word 3,$(1)))
 143         $(STAGING_DIR_HOST)/bin/buffalo-tag \
 144                 -d 0x01000000 -w 1 \
 145                 -a $(BUFFALO_TAG_PLATFORM) \
 146                 -v $(BUFFALO_TAG_VERSION) -m $(BUFFALO_TAG_MINOR) \
 147                 -b $(product) -p $(product) \
 148                 -r $(region) -r $(region) -l $(language) \
 149                 -I $@ -o $@.new
 150         mv $@.new $@
 151 endef
 152
 153 define Build/check-size
 154         @imagesize="$$(stat -c%s $@)"; \
 155         limitsize="$$(($(subst k,* 1024,$(subst m, * 1024k,$(if $(1),$(1),$(IMAGE_SIZE))))))"; \
 156         [ $$limitsize -ge $$imagesize ] || { \
 157                 echo "WARNING: Image file $@ is too big: $$imagesize > $$limitsize" >&2; \
 158                 rm -f $@; \
 159         }
 160 endef
 161
 162 define Build/elecom-product-header
 163         $(eval product=$(word 1,$(1)))
 164         $(eval fw=$(if $(word 2,$(1)),$(word 2,$(1)),$@))
 165
 166         ( \
 167                 echo -n -e "ELECOM\x00\x00$(product)" | dd bs=40 count=1 conv=sync; \
 168                 echo -n "0.00" | dd bs=16 count=1 conv=sync; \
 169                 dd if=$(fw); \
 170         ) > $(fw).new
 171         mv $(fw).new $(fw)
 172 endef
 173
 174 define Build/elx-header
 175         $(eval hw_id=$(word 1,$(1)))
 176         $(eval xor_pattern=$(word 2,$(1)))
 177         ( \
 178                 echo -ne "\x00\x00\x00\x00\x00\x00\x00\x03" | \
 179                         dd bs=42 count=1 conv=sync; \
 180                 hw_id="$(hw_id)"; \
 181                 echo -ne "\x$${hw_id:0:2}\x$${hw_id:2:2}\x$${hw_id:4:2}\x$${hw_id:6:2}" | \
 182                         dd bs=20 count=1 conv=sync; \
 183                 echo -ne "$$(printf '%08x' $$(stat -c%s $@) | fold -s2 | xargs -I {} echo \\x{} | tr -d '\n')" | \
 184                         dd bs=8 count=1 conv=sync; \
 185                 echo -ne "$$($(STAGING_DIR_HOST)/bin/mkhash md5 $@ | fold -s2 | xargs -I {} echo \\x{} | tr -d '\n')" | \
 186                         dd bs=58 count=1 conv=sync; \
 187         ) > $(KDIR)/tmp/$(DEVICE_NAME).header
 188         $(call Build/xor-image,-p $(xor_pattern) -x)
 189         cat $(KDIR)/tmp/$(DEVICE_NAME).header $@ > $@.new
 190         mv $@.new $@
 191         rm -rf $(KDIR)/tmp/$(DEVICE_NAME).header
 192 endef
 193
 194 define Build/eva-image
 195         $(STAGING_DIR_HOST)/bin/lzma2eva $(KERNEL_LOADADDR) $(KERNEL_LOADADDR) $@ $@.new
 196         mv $@.new $@
 197 endef
 198
 199 define Build/fit
 200         $(TOPDIR)/scripts/mkits.sh \
 201                 -D $(DEVICE_NAME) -o $@.its -k $@ \
 202                 $(if $(word 2,$(1)),-d $(word 2,$(1))) -C $(word 1,$(1)) \
 203                 -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 204                 $(if $(DEVICE_FDT_NUM),-n $(DEVICE_FDT_NUM)) \
 205                 -c $(if $(DEVICE_DTS_CONFIG),$(DEVICE_DTS_CONFIG),"config@1") \
 206                 -A $(LINUX_KARCH) -v $(LINUX_VERSION)
 207         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
 208         @mv $@.new $@
 209 endef
 210
 211 define Build/gzip
 212         gzip -f -9n -c $@ $(1) > $@.new
 213         @mv $@.new $@
 214 endef
 215
 216 define Build/install-dtb
 217         $(call locked, \
 218                 $(foreach dts,$(DEVICE_DTS), \
 219                         $(CP) \
 220                                 $(DTS_DIR)/$(dts).dtb \
 221                                 $(BIN_DIR)/$(IMG_PREFIX)-$(dts).dtb; \
 222                 ), \
 223                 install-dtb-$(IMG_PREFIX) \
 224         )
 225 endef
 226
 227 define Build/jffs2
 228         rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 && \
 229                 mkdir -p $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$$(dirname $(1)) && \
 230                 cp $@ $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/$(1) && \
 231                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 --pad \
 232                         $(if $(CONFIG_BIG_ENDIAN),--big-endian,--little-endian) \
 233                         --squash-uids -v -e $(patsubst %k,%KiB,$(BLOCKSIZE)) \
 234                         -o $@.new \
 235                         -d $(KDIR_TMP)/$(DEVICE_NAME)/jffs2 \
 236                         2>&1 1>/dev/null | awk '/^.+$$$$/' && \
 237                 $(STAGING_DIR_HOST)/bin/padjffs2 $@.new -J $(patsubst %k,,$(BLOCKSIZE))
 238         -rm -rf $(KDIR_TMP)/$(DEVICE_NAME)/jffs2/
 239         @mv $@.new $@
 240 endef
 241
 242 define Build/kernel2minor
 243         $(eval temp_file := $(shell mktemp))
 244         cp $@ $(temp_file)
 245         kernel2minor -k $(temp_file) -r $(temp_file).new $(1)
 246         mv $(temp_file).new $@
 247         rm -f $(temp_file)
 248 endef
 249
 250 define Build/kernel-bin
 251         rm -f $@
 252         cp $< $@
 253 endef
 254
 255 define Build/linksys-image
 256         $(TOPDIR)/scripts/linksys-image.sh \
 257                 "$(call param_get_default,type,$(1),$(DEVICE_NAME))" \
 258                 $@ $@.new
 259                 mv $@.new $@
 260 endef
 261
 262 define Build/lzma
 263         $(call Build/lzma-no-dict,-lc1 -lp2 -pb2 $(1))
 264 endef
 265
 266 define Build/lzma-no-dict
 267         $(STAGING_DIR_HOST)/bin/lzma e $@ $(1) $@.new
 268         @mv $@.new $@
 269 endef
 270
 271 define Build/netgear-chk
 272         $(STAGING_DIR_HOST)/bin/mkchkimg \
 273                 -o $@.new \
 274                 -k $@ \
 275                 -b $(NETGEAR_BOARD_ID) \
 276                 $(if $(NETGEAR_REGION),-r $(NETGEAR_REGION),)
 277         mv $@.new $@
 278 endef
 279
 280 define Build/netgear-dni
 281         $(STAGING_DIR_HOST)/bin/mkdniimg \
 282                 -B $(NETGEAR_BOARD_ID) -v $(VERSION_DIST).$(firstword $(subst -, ,$(REVISION))) \
 283                 $(if $(NETGEAR_HW_ID),-H $(NETGEAR_HW_ID)) \
 284                 -r "$(1)" \
 285                 -i $@ -o $@.new
 286         mv $@.new $@
 287 endef
 288
 289 define Build/openmesh-image
 290         $(TOPDIR)/scripts/om-fwupgradecfg-gen.sh \
 291                 "$(call param_get_default,ce_type,$(1),$(DEVICE_NAME))" \
 292                 "$@-fwupgrade.cfg" \
 293                 "$(call param_get_default,kernel,$(1),$(IMAGE_KERNEL))" \
 294                 "$(call param_get_default,rootfs,$(1),$@)"
 295         $(TOPDIR)/scripts/combined-ext-image.sh \
 296                 "$(call param_get_default,ce_type,$(1),$(DEVICE_NAME))" "$@" \
 297                 "$@-fwupgrade.cfg" "fwupgrade.cfg" \
 298                 "$(call param_get_default,kernel,$(1),$(IMAGE_KERNEL))" "kernel" \
 299                 "$(call param_get_default,rootfs,$(1),$@)" "rootfs"
 300 endef
 301
 302 define Build/pad-extra
 303         dd if=/dev/zero bs=$(1) count=1 >> $@
 304 endef
 305
 306 define Build/pad-offset
 307         let \
 308                 size="$$(stat -c%s $@)" \
 309                 pad="$(subst k,* 1024,$(word 1, $(1)))" \
 310                 offset="$(subst k,* 1024,$(word 2, $(1)))" \
 311                 pad="(pad - ((size + offset) % pad)) % pad" \
 312                 newsize='size + pad'; \
 313                 dd if=$@ of=$@.new bs=$$newsize count=1 conv=sync
 314         mv $@.new $@
 315 endef
 316
 317 define Build/pad-rootfs
 318         $(STAGING_DIR_HOST)/bin/padjffs2 $@ $(1) \
 319                 $(if $(BLOCKSIZE),$(BLOCKSIZE:%k=%),4 8 16 64 128 256)
 320 endef
 321
 322 define Build/pad-to
 323         $(call Image/pad-to,$@,$(1))
 324 endef
 325
 326 define Build/patch-cmdline
 327         $(STAGING_DIR_HOST)/bin/patch-cmdline $@ '$(CMDLINE)'
 328 endef
 329
 330 # Convert a raw image into a $1 type image.
 331 # E.g. | qemu-image vdi
 332 define Build/qemu-image
 333         if command -v qemu-img; then \
 334                 qemu-img convert -f raw -O $1 $@ $@.new; \
 335                 mv $@.new $@; \
 336         else \
 337                 echo "WARNING: Install qemu-img to create VDI/VMDK images" >&2; exit 1; \
 338         fi
 339 endef
 340
 341 define Build/qsdk-ipq-factory-nand
 342         $(TOPDIR)/scripts/mkits-qsdk-ipq-image.sh \
 343                 $@.its ubi $@
 344         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
 345         @mv $@.new $@
 346 endef
 347
 348 define Build/qsdk-ipq-factory-nor
 349         $(TOPDIR)/scripts/mkits-qsdk-ipq-image.sh \
 350                 $@.its hlos $(IMAGE_KERNEL) rootfs $(IMAGE_ROOTFS)
 351         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $@.its $@.new
 352         @mv $@.new $@
 353 endef
 354
 355 define Build/seama
 356         $(STAGING_DIR_HOST)/bin/seama -i $@ \
 357                 -m "dev=/dev/mtdblock/$(SEAMA_MTDBLOCK)" -m "type=firmware"
 358         mv $@.seama $@
 359 endef
 360
 361 define Build/seama-seal
 362         $(STAGING_DIR_HOST)/bin/seama -i $@ -s $@.seama \
 363                 -m "signature=$(SEAMA_SIGNATURE)"
 364         mv $@.seama $@
 365 endef
 366
 367 define Build/senao-header
 368         $(STAGING_DIR_HOST)/bin/mksenaofw $(1) -e $@ -o $@.new
 369         mv $@.new $@
 370 endef
 371
 372 define Build/sysupgrade-tar
 373         sh $(TOPDIR)/scripts/sysupgrade-tar.sh \
 374                 --board $(if $(BOARD_NAME),$(BOARD_NAME),$(DEVICE_NAME)) \
 375                 --kernel $(call param_get_default,kernel,$(1),$(IMAGE_KERNEL)) \
 376                 --rootfs $(call param_get_default,rootfs,$(1),$(IMAGE_ROOTFS)) \
 377                 $@
 378 endef
 379
 380 define Build/tplink-safeloader
 381         -$(STAGING_DIR_HOST)/bin/tplink-safeloader \
 382                 -B $(TPLINK_BOARD_ID) \
 383                 -V $(REVISION) \
 384                 -k $(IMAGE_KERNEL) \
 385                 -r $@ \
 386                 -o $@.new \
 387                 -j \
 388                 $(wordlist 2,$(words $(1)),$(1)) \
 389                 $(if $(findstring sysupgrade,$(word 1,$(1))),-S) && mv $@.new $@ || rm -f $@
 390 endef
 391
 392 define Build/tplink-v1-header
 393         $(STAGING_DIR_HOST)/bin/mktplinkfw \
 394                 -c -H $(TPLINK_HWID) -W $(TPLINK_HWREV) -L $(KERNEL_LOADADDR) \
 395                 -E $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 396                 -m $(TPLINK_HEADER_VERSION) -N "$(VERSION_DIST)" -V $(REVISION) \
 397                 -k $@ -o $@.new $(1)
 398         @mv $@.new $@
 399 endef
 400
 401 # combine kernel and rootfs into one image
 402 # mktplinkfw <type> <optional extra arguments to mktplinkfw binary>
 403 # <type> is "sysupgrade" or "factory"
 404 #
 405 # -a align the rootfs start on an <align> bytes boundary
 406 # -j add jffs2 end-of-filesystem markers
 407 # -s strip padding from end of the image
 408 # -X reserve <size> bytes in the firmware image (hexval prefixed with 0x)
 409 define Build/tplink-v1-image
 410         -$(STAGING_DIR_HOST)/bin/mktplinkfw \
 411                 -H $(TPLINK_HWID) -W $(TPLINK_HWREV) -F $(TPLINK_FLASHLAYOUT) \
 412                 -N "$(VERSION_DIST)" -V $(REVISION) -m $(TPLINK_HEADER_VERSION) \
 413                 -k $(IMAGE_KERNEL) -r $(IMAGE_ROOTFS) -o $@.new -j -X 0x40000 \
 414                 -a $(call rootfs_align,$(FILESYSTEM)) \
 415                 $(wordlist 2,$(words $(1)),$(1)) \
 416                 $(if $(findstring sysupgrade,$(word 1,$(1))),-s) && mv $@.new $@ || rm -f $@
 417 endef
 418
 419 define Build/tplink-v2-header
 420         $(STAGING_DIR_HOST)/bin/mktplinkfw2 \
 421                 -c -H $(TPLINK_HWID) -W $(TPLINK_HWREV) -L $(KERNEL_LOADADDR) \
 422                 -E $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR))  \
 423                 -w $(TPLINK_HWREVADD) -F "$(TPLINK_FLASHLAYOUT)" \
 424                 -T $(TPLINK_HVERSION) -V "ver. 2.0" \
 425                 -k $@ -o $@.new $(1)
 426         @mv $@.new $@
 427 endef
 428
 429 define Build/tplink-v2-image
 430         $(STAGING_DIR_HOST)/bin/mktplinkfw2 \
 431                 -H $(TPLINK_HWID) -W $(TPLINK_HWREV) \
 432                 -w $(TPLINK_HWREVADD) -F "$(TPLINK_FLASHLAYOUT)" \
 433                 -T $(TPLINK_HVERSION) -V "ver. 2.0" -a 0x4 -j \
 434                 -k $(IMAGE_KERNEL) -r $(IMAGE_ROOTFS) -o $@.new $(1)
 435         cat $@.new >> $@
 436         rm -rf $@.new
 437 endef
 438
 439 define Build/uImage
 440         mkimage \
 441                 -A $(LINUX_KARCH) \
 442                 -O linux \
 443                 -T kernel \
 444                 -C $(word 1,$(1)) \
 445                 -a $(KERNEL_LOADADDR) \
 446                 -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 447                 -n '$(if $(UIMAGE_NAME),$(UIMAGE_NAME),$(call toupper,$(LINUX_KARCH)) $(VERSION_DIST) Linux-$(LINUX_VERSION))' \
 448                 $(if $(UIMAGE_MAGIC),-M $(UIMAGE_MAGIC)) \
 449                 $(wordlist 2,$(words $(1)),$(1)) \
 450                 -d $@ $@.new
 451         mv $@.new $@
 452 endef
 453
 454 define Build/xor-image
 455         $(STAGING_DIR_HOST)/bin/xorimage -i $@ -o $@.xor $(1)
 456         mv $@.xor $@
 457 endef
 458
 459 define Build/zip
 460         mkdir $@.tmp
 461         mv $@ $@.tmp/$(1)
 462
 463         zip -j -X \
 464                 $(if $(SOURCE_DATE_EPOCH),--mtime="$(SOURCE_DATE_EPOCH)") \
 465                 $@ $@.tmp/$(if $(1),$(1),$@)
 466         rm -rf $@.tmp
 467 endef
 468
 469 define Build/zyxel-ras-image
 470         let \
 471                 newsize="$(subst k,* 1024,$(RAS_ROOTFS_SIZE))"; \
 472                 $(STAGING_DIR_HOST)/bin/mkrasimage \
 473                         -b $(RAS_BOARD) \
 474                         -v $(RAS_VERSION) \
 475                         -r $@ \
 476                         -s $$newsize \
 477                         -o $@.new \
 478                         $(if $(findstring separate-kernel,$(word 1,$(1))),-k $(IMAGE_KERNEL)) \
 479                 && mv $@.new $@
 480 endef