include/image.mk

   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
   8 override TARGET_BUILD=
   9 include $(INCLUDE_DIR)/prereq.mk
  10 include $(INCLUDE_DIR)/kernel.mk
  11 include $(INCLUDE_DIR)/host.mk
  12 include $(INCLUDE_DIR)/version.mk
  13
  14 override MAKE:=$(_SINGLE)$(SUBMAKE)
  15 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  16
  17 KDIR=$(KERNEL_BUILD_DIR)
  18 DTS_DIR:=$(LINUX_DIR)/arch/$(ARCH)/boot/dts/
  19
  20 IMG_PREFIX:=openwrt-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  21
  22 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  23
  24 ifneq ($(CONFIG_BIG_ENDIAN),)
  25   JFFS2OPTS     :=  --big-endian --squash-uids -v
  26 else
  27   JFFS2OPTS     :=  --little-endian --squash-uids -v
  28 endif
  29
  30 ifeq ($(CONFIG_JFFS2_RTIME),y)
  31   JFFS2OPTS += -X rtime
  32 endif
  33 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  34   JFFS2OPTS += -X zlib
  35 endif
  36 ifeq ($(CONFIG_JFFS2_LZMA),y)
  37   JFFS2OPTS += -X lzma --compression-mode=size
  38 endif
  39 ifneq ($(CONFIG_JFFS2_RTIME),y)
  40   JFFS2OPTS += -x rtime
  41 endif
  42 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  43   JFFS2OPTS += -x zlib
  44 endif
  45 ifneq ($(CONFIG_JFFS2_LZMA),y)
  46   JFFS2OPTS += -x lzma
  47 endif
  48
  49 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  50
  51 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  52 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  53 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  54 SQUASHFSCOMP := gzip
  55 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  56 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
  57   SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
  58 endif
  59 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  60   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  61     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  62   endif
  63   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  64 endif
  65
  66 JFFS2_BLOCKSIZE ?= 64k 128k
  67
  68 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  69 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  70 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  71 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  72 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  73 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  74 fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
  75 fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
  76
  77 TARGET_FILESYSTEMS := $(fs-types-y)
  78
  79 FS_64K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-64k
  80 FS_128K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-128k
  81 FS_256K := $(filter-out jffs2-%,$(TARGET_FILESYSTEMS)) jffs2-256k
  82
  83 define add_jffs2_mark
  84         echo -ne '\xde\xad\xc0\xde' >> $(1)
  85 endef
  86
  87 define toupper
  88 $(shell echo $(1) | tr '[:lower:]' '[:upper:]')
  89 endef
  90
  91 define split_args
  92 $(foreach data, \
  93         $(subst |,$(space),\
  94                 $(subst $(space),^,$(1))), \
  95         $(call $(2),$(strip $(subst ^,$(space),$(data)))))
  96 endef
  97
  98 define build_cmd
  99 $(if $(Build/$(word 1,$(1))),,$(error Missing Build/$(word 1,$(1))))
 100 $(call Build/$(word 1,$(1)),$(wordlist 2,$(words $(1)),$(1)))
 101
 102 endef
 103
 104 define concat_cmd
 105 $(call split_args,$(1),build_cmd)
 106 endef
 107
 108 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
 109 define prepare_generic_squashfs
 110         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
 111 endef
 112
 113 define Image/BuildKernel/Initramfs
 114         $(call Image/Build/Initramfs)
 115 endef
 116
 117 define Image/BuildKernel/MkuImage
 118         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
 119                 -n '$(call toupper,$(ARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $(4) $(5)
 120 endef
 121
 122 define Image/BuildKernel/MkFIT
 123         $(TOPDIR)/scripts/mkits.sh \
 124                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) -d $(3) -C $(4) -a $(5) -e $(6) \
 125                 -A $(ARCH) -v $(LINUX_VERSION)
 126         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 127 endef
 128
 129 define Image/mkfs/jffs2/sub
 130                 $(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 '/^.+$$$$/'
 131                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
 132 endef
 133
 134 define Image/mkfs/jffs2/sub-raw
 135                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 136 endef
 137
 138 define Image/mkfs/jffs2/template
 139   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
 140   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
 141
 142 endef
 143
 144 define Image/mkfs/jffs2-nand/template
 145   Image/mkfs/jffs2-nand-$(1) = \
 146         $$(call Image/mkfs/jffs2/sub, \
 147                 $(word 2,$(subst -, ,$(1))),nand-$(1), \
 148                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
 149
 150 endef
 151
 152 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 153 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 154
 155 define Image/mkfs/squashfs
 156         $(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)
 157 endef
 158
 159 # $(1): board name
 160 # $(2): rootfs type
 161 # $(3): kernel image
 162 ifneq ($(CONFIG_NAND_SUPPORT),)
 163    define Image/Build/SysupgradeNAND
 164         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 165         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 166         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 167         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 168         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 169                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1))
 170    endef
 171
 172 # $(1) board name
 173 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 174 # $(3) rootfstype (e.g. squashfs or ubifs)
 175 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 176    define Image/Build/UbinizeImage
 177         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 178                 "$(KDIR)/root.$(3)" \
 179                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 180                 $(4)
 181    endef
 182
 183 endif
 184
 185 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 186     define Image/mkfs/ubifs/generate
 187         $(CP) ./ubinize$(1).cfg $(KDIR)
 188         ( cd $(KDIR); \
 189                 $(STAGING_DIR_HOST)/bin/ubinize \
 190                 $(if $($(PROFILE)_UBI_OPTS), \
 191                         $(shell echo $($(PROFILE)_UBI_OPTS)), \
 192                         $(shell echo $(UBI_OPTS)) \
 193                 ) \
 194                 -o $(KDIR)/root$(1).ubi \
 195                 ubinize$(1).cfg \
 196         )
 197     endef
 198
 199     define Image/mkfs/ubifs
 200
 201         ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
 202                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 203                         $(if $($(PROFILE)_UBIFS_OPTS), \
 204                                 $(shell echo $($(PROFILE)_UBIFS_OPTS)), \
 205                                 $(shell echo $(UBIFS_OPTS)) \
 206                         ) \
 207                         $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 208                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 209                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 210                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 211                         $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 212                         --squash-uids \
 213                         -o $(KDIR)/root.ubifs \
 214                         -d $(TARGET_DIR)
 215         endif
 216         $(call Image/Build,ubifs)
 217
 218         ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
 219                 $(if $(wildcard ./ubinize.cfg),$(call Image/mkfs/ubifs/generate,))
 220                 $(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
 221         endif
 222         $(if $(wildcard ./ubinize.cfg),$(call Image/Build,ubi))
 223     endef
 224 endif
 225
 226 define Image/mkfs/cpiogz
 227         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 228 endef
 229
 230 define Image/mkfs/targz
 231         $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 232 endef
 233
 234 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024/$(CONFIG_TARGET_EXT4_BLOCKSIZE))))
 235
 236 define Image/mkfs/ext4
 237 # generate an ext2 fs
 238         $(STAGING_DIR_HOST)/bin/genext2fs -U -B $(CONFIG_TARGET_EXT4_BLOCKSIZE) -b $(E2SIZE) -N $(CONFIG_TARGET_EXT4_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_EXT4_RESERVED_PCT) $(MKFS_DEVTABLE_OPT)
 239 # convert it to ext4
 240         $(STAGING_DIR_HOST)/bin/tune2fs $(if $(CONFIG_TARGET_EXT4_JOURNAL),-j) -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 241 # fix it up
 242         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 243 endef
 244
 245 define Image/mkfs/prepare/default
 246         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 247         - $(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
 248         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 249         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 250         $(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
 251         chmod 1777 $(TARGET_DIR)/tmp
 252 endef
 253
 254 define Image/mkfs/prepare
 255         $(call Image/mkfs/prepare/default)
 256 endef
 257
 258
 259 define Image/Checksum
 260         ( cd ${BIN_DIR} ; \
 261                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 262                 md5sum --binary > md5sums \
 263         )
 264 endef
 265
 266 define BuildImage/mkfs
 267   install: mkfs-$(1)
 268   .PHONY: mkfs-$(1)
 269   mkfs-$(1): mkfs_prepare
 270         $(Image/mkfs/$(1))
 271   $(KDIR)/root.$(1): mkfs-$(1)
 272
 273 endef
 274
 275 # Build commands that can be called from Device/* templates
 276 define Build/uImage
 277         mkimage -A $(LINUX_KARCH) \
 278                 -O linux -T kernel \
 279                 -C $(1) -a $(KERNEL_LOADADDR) -e $(if $(KERNEL_ENTRY),$(KERNEL_ENTRY),$(KERNEL_LOADADDR)) \
 280                 -n '$(call toupper,$(LINUX_KARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $@ $@.new
 281         @mv $@.new $@
 282 endef
 283
 284 define Build/lzma
 285         $(STAGING_DIR_HOST)/bin/lzma e $@ -lc1 -lp2 -pb2 $(1) $@.new
 286         @mv $@.new $@
 287 endef
 288
 289 define Build/kernel-bin
 290         rm -f $@
 291         cp $^ $@
 292 endef
 293
 294 define Build/patch-cmdline
 295         $(STAGING_DIR_HOST)/bin/patch-cmdline $@ '$(CMDLINE)'
 296 endef
 297
 298 define Build/append-kernel
 299         dd if=$(word 1,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 300 endef
 301
 302 define Build/append-rootfs
 303         dd if=$(word 2,$^) $(if $(1),bs=$(1) conv=sync) >> $@
 304 endef
 305
 306 define Build/pad-rootfs
 307         $(call prepare_generic_squashfs,$@)
 308 endef
 309
 310 define Build/check-size
 311         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -gt "$$(stat -c%s $@)" ] || { \
 312                 echo "WARNING: Image file $@ is too big"; \
 313                 rm -f $@; \
 314         }
 315 endef
 316
 317
 318 define Device/Init
 319   PROFILES := $(PROFILE)
 320   KERNEL:=
 321   KERNEL_INITRAMFS = $$(KERNEL)
 322   KERNEL_SIZE:=
 323   CMDLINE:=
 324
 325   IMAGE_PREFIX := $(BIN_DIR)/$(IMG_PREFIX)-$(1)
 326   IMAGE_NAME = $$(IMAGE_PREFIX)-$$(1)-$$(2)
 327   KERNEL_PREFIX = $$(if $$(KERNEL_INSTALL),$$(IMAGE_PREFIX),$(KDIR)/$(1))
 328   KERNEL_INITRAMFS_PREFIX = $$(IMAGE_PREFIX)-initramfs
 329   KERNEL_SUFFIX := -kernel.bin
 330   KERNEL_IMAGE = $$(KERNEL_PREFIX)$$(KERNEL_SUFFIX)
 331   KERNEL_INSTALL :=
 332   KERNEL_SIZE :=
 333
 334   FILESYSTEMS := $(TARGET_FILESYSTEMS)
 335
 336   BIN_KERNEL_IMAGE = $$(patsubst $$(KERNEL_PREFIX)%,$$(IMAGE_PREFIX)%,$$(KERNEL_IMAGE))
 337 endef
 338
 339 define Device/Check
 340   _TARGET = $$(if $$(filter $(PROFILE),$$(PROFILES)),install,install-disabled)
 341 endef
 342
 343 define Device/Build/initramfs
 344   $$(_TARGET): $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX)
 345
 346   $$(KERNEL_INITRAMFS_PREFIX)$$(KERNEL_SUFFIX): $$(KERNEL_PREFIX)-initramfs$$(KERNEL_SUFFIX)
 347         cp $$^ $$@
 348
 349   $$(KERNEL_PREFIX)-initramfs$$(KERNEL_SUFFIX): $(KDIR)/vmlinux-initramfs
 350         @rm -f $$@
 351         $$(call concat_cmd,$$(KERNEL_INITRAMFS))
 352 endef
 353
 354 define Device/Build/check_size
 355         @[ $$(($(subst k,* 1024,$(subst m, * 1024k,$(1))))) -gt "$$(stat -c%s $@)" ] || { \
 356                 echo "WARNING: Image file $@ is too big"; \
 357                 rm -f $@; \
 358         }
 359 endef
 360
 361 define Device/Build/kernel
 362   $$(_TARGET): $$(if $$(KERNEL_INSTALL),$$(BIN_KERNEL_IMAGE))
 363   $$(BIN_KERNEL_IMAGE): $$(KERNEL_IMAGE)
 364         cp $$^ $$@
 365   $$(KERNEL_IMAGE): $(KDIR)/vmlinux
 366         @rm -f $$@
 367         $$(call concat_cmd,$$(KERNEL))
 368         $$(if $$(KERNEL_SIZE),$$(call Device/Build/check_size,$$(KERNEL_SIZE)))
 369 endef
 370
 371 define Device/Build/image
 372   $$(_TARGET): $(call IMAGE_NAME,$(1),$(2))
 373   $(call IMAGE_NAME,$(1),$(2)): $$(KERNEL_IMAGE) $(KDIR)/root.$(1)
 374         @rm -f $$@
 375         [ -f $$(word 1,$$^) -a -f $$(word 2,$$^) ]
 376         $$(call concat_cmd,$(if $(IMAGE/$(2)/$(1)),$(IMAGE/$(2)/$(1)),$(IMAGE/$(2))))
 377
 378 endef
 379
 380 define Device/Build
 381   $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Device/Build/initramfs,$(1)))
 382   $(call Device/Build/kernel,$(1))
 383
 384   $$(eval $$(foreach image,$$(IMAGES), \
 385     $$(foreach fs,$$(filter $(TARGET_FILESYSTEMS),$$(FILESYSTEMS)), \
 386       $$(call Device/Build/image,$$(fs),$$(image)))))
 387 endef
 388
 389 define Device
 390   $(call Device/Init,$(1))
 391   $(call Device/Default,$(1))
 392   $(call Device/Check,$(1))
 393   $(call Device/$(1),$(1))
 394   $(call Device/Build,$(1))
 395
 396 endef
 397
 398 define BuildImage
 399
 400   download:
 401   prepare:
 402   compile:
 403   clean:
 404   image_prepare:
 405
 406   ifeq ($(IB),)
 407     .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
 408     compile:
 409                 $(call Build/Compile)
 410
 411     clean:
 412                 $(call Build/Clean)
 413
 414     image_prepare: compile
 415                 $(call Image/Prepare)
 416   endif
 417
 418   mkfs_prepare: image_prepare
 419         $(call Image/mkfs/prepare)
 420
 421   kernel_prepare: mkfs_prepare
 422         $(call Image/BuildKernel)
 423         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/BuildKernel/Initramfs))
 424         $(call Image/InstallKernel)
 425
 426   $(foreach device,$(TARGET_DEVICES),$(call Device,$(device)))
 427   $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
 428
 429   install: kernel_prepare
 430         $(foreach fs,$(TARGET_FILESYSTEMS),
 431                 $(call Image/Build,$(fs))
 432         )
 433         $(call Image/mkfs/ubifs)
 434         $(call Image/Checksum)
 435
 436 endef