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 $(INCLUDE_DIR)/host.mk
  12
  13 override MAKE:=$(_SINGLE)$(SUBMAKE)
  14 override NO_TRACE_MAKE:=$(_SINGLE)$(NO_TRACE_MAKE)
  15
  16 KDIR=$(KERNEL_BUILD_DIR)
  17 DTS_DIR:=$(LINUX_DIR)/arch/$(ARCH)/boot/dts/
  18
  19 IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  20
  21 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  22
  23 ifneq ($(CONFIG_BIG_ENDIAN),)
  24   JFFS2OPTS     :=  --big-endian --squash-uids -v
  25 else
  26   JFFS2OPTS     :=  --little-endian --squash-uids -v
  27 endif
  28
  29 ifeq ($(CONFIG_JFFS2_RTIME),y)
  30   JFFS2OPTS += -X rtime
  31 endif
  32 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  33   JFFS2OPTS += -X zlib
  34 endif
  35 ifeq ($(CONFIG_JFFS2_LZMA),y)
  36   JFFS2OPTS += -X lzma --compression-mode=size
  37 endif
  38 ifneq ($(CONFIG_JFFS2_RTIME),y)
  39   JFFS2OPTS += -x rtime
  40 endif
  41 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  42   JFFS2OPTS += -x zlib
  43 endif
  44 ifneq ($(CONFIG_JFFS2_LZMA),y)
  45   JFFS2OPTS += -x lzma
  46 endif
  47
  48 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  49
  50 SQUASHFS_BLOCKSIZE := $(CONFIG_TARGET_SQUASHFS_BLOCK_SIZE)k
  51 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  52 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  53 SQUASHFSCOMP := gzip
  54 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  55 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
  56   SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
  57 endif
  58 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  59   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  60     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  61   endif
  62   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  63 endif
  64
  65 JFFS2_BLOCKSIZE ?= 64k 128k
  66
  67 fs-types-$(CONFIG_TARGET_ROOTFS_SQUASHFS) += squashfs
  68 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addprefix jffs2-,$(JFFS2_BLOCKSIZE))
  69 fs-types-$(CONFIG_TARGET_ROOTFS_JFFS2_NAND) += $(addprefix jffs2-nand-,$(NAND_BLOCKSIZE))
  70 fs-types-$(CONFIG_TARGET_ROOTFS_EXT4FS) += ext4
  71 fs-types-$(CONFIG_TARGET_ROOTFS_ISO) += iso
  72 fs-subtypes-$(CONFIG_TARGET_ROOTFS_JFFS2) += $(addsuffix -raw,$(addprefix jffs2-,$(JFFS2_BLOCKSIZE)))
  73 fs-subtypes-$(CONFIG_TARGET_ROOTFS_CPIOGZ) += cpiogz
  74 fs-subtypes-$(CONFIG_TARGET_ROOTFS_TARGZ) += targz
  75
  76 TARGET_FILESYSTEMS := $(fs-types-y)
  77
  78 define add_jffs2_mark
  79         echo -ne '\xde\xad\xc0\xde' >> $(1)
  80 endef
  81
  82 define toupper
  83 $(shell echo $(1) | tr '[:lower:]' '[:upper:]')
  84 endef
  85
  86 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
  87 define prepare_generic_squashfs
  88         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
  89 endef
  90
  91 define Image/BuildKernel/Initramfs
  92         cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs.elf
  93         $(call Image/Build/Initramfs)
  94 endef
  95
  96 define Image/BuildKernel/MkuImage
  97         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
  98                 -n '$(call toupper,$(ARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $(4) $(5)
  99 endef
 100
 101 define Image/BuildKernel/MkFIT
 102         $(TOPDIR)/scripts/mkits.sh \
 103                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) -d $(3) -C $(4) -a $(5) -e $(6) \
 104                 -A $(ARCH) -v $(LINUX_VERSION)
 105         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 106 endef
 107
 108 define Image/mkfs/jffs2/sub
 109                 $(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 '/^.+$$$$/'
 110                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
 111 endef
 112
 113 define Image/mkfs/jffs2/sub-raw
 114                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 115 endef
 116
 117 define Image/mkfs/jffs2/template
 118   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
 119   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
 120
 121 endef
 122
 123 define Image/mkfs/jffs2-nand/template
 124   Image/mkfs/jffs2-nand-$(1) = \
 125         $$(call Image/mkfs/jffs2/sub, \
 126                 $(word 2,$(subst -, ,$(1))),nand-$(1), \
 127                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
 128
 129 endef
 130
 131 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 132 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 133
 134 define Image/mkfs/squashfs
 135         $(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)
 136 endef
 137
 138 # $(1): board name
 139 # $(2): rootfs type
 140 # $(3): kernel image
 141 ifneq ($(CONFIG_NAND_SUPPORT),)
 142    define Image/Build/SysupgradeNAND
 143         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 144         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 145         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 146         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 147         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 148                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1))
 149    endef
 150 # $(1) board name
 151 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 152 # $(3) rootfstype (e.g. squashfs or ubifs)
 153 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 154    define Image/Build/UbinizeImage
 155         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 156                 "$(KDIR)/root.$(3)" \
 157                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 158                 $(4)
 159    endef
 160
 161 endif
 162
 163 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 164     define Image/mkfs/ubifs/generate
 165         $(CP) ./ubinize$(1).cfg $(KDIR)
 166         ( cd $(KDIR); \
 167                 $(STAGING_DIR_HOST)/bin/ubinize \
 168                 $(if $($(PROFILE)_UBI_OPTS), \
 169                         $(shell echo $($(PROFILE)_UBI_OPTS)), \
 170                         $(shell echo $(UBI_OPTS)) \
 171                 ) \
 172                 -o $(KDIR)/root$(1).ubi \
 173                 ubinize$(1).cfg \
 174         )
 175     endef
 176
 177     define Image/mkfs/ubifs
 178
 179         ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
 180                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 181                         $(if $($(PROFILE)_UBIFS_OPTS), \
 182                                 $(shell echo $($(PROFILE)_UBIFS_OPTS)), \
 183                                 $(shell echo $(UBIFS_OPTS)) \
 184                         ) \
 185                         $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 186                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 187                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 188                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 189                         $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 190                         --squash-uids \
 191                         -o $(KDIR)/root.ubifs \
 192                         -d $(TARGET_DIR)
 193         endif
 194         $(call Image/Build,ubifs)
 195
 196         ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
 197                 $(call Image/mkfs/ubifs/generate,)
 198                 $(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
 199         endif
 200         $(call Image/Build,ubi)
 201     endef
 202 endif
 203
 204 define Image/mkfs/cpiogz
 205         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 206 endef
 207
 208 define Image/mkfs/targz
 209         $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 210 endef
 211
 212 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024/$(CONFIG_TARGET_EXT4_BLOCKSIZE))))
 213
 214 define Image/mkfs/ext4
 215 # generate an ext2 fs
 216         $(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)
 217 # convert it to ext4
 218         $(STAGING_DIR_HOST)/bin/tune2fs $(if $(CONFIG_TARGET_EXT4_JOURNAL),-j) -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 219 # fix it up
 220         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 221 endef
 222
 223 define Image/mkfs/prepare/default
 224         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 225         - $(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
 226         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 227         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 228         $(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
 229         chmod 1777 $(TARGET_DIR)/tmp
 230 endef
 231
 232 define Image/mkfs/prepare
 233         $(call Image/mkfs/prepare/default)
 234 endef
 235
 236
 237 define Image/Checksum
 238         ( cd ${BIN_DIR} ; \
 239                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 240                 md5sum --binary > md5sums \
 241         )
 242 endef
 243
 244 define BuildImage/mkfs
 245   install: mkfs-$(1)
 246   .PHONY: mkfs-$(1)
 247   mkfs-$(1): mkfs_prepare
 248         $(Image/mkfs/$(1))
 249
 250 endef
 251
 252 define BuildImage
 253
 254   download:
 255   prepare:
 256   compile:
 257   clean:
 258   image_prepare:
 259
 260   ifeq ($(IB),)
 261     .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
 262     compile:
 263                 $(call Build/Compile)
 264
 265     clean:
 266                 $(call Build/Clean)
 267
 268     image_prepare: compile
 269                 $(call Image/Prepare)
 270   endif
 271
 272   mkfs_prepare: image_prepare
 273         $(call Image/mkfs/prepare)
 274
 275   kernel_prepare: mkfs_prepare
 276         $(call Image/BuildKernel)
 277         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/BuildKernel/Initramfs))
 278         $(call Image/InstallKernel)
 279
 280   $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
 281
 282   install: kernel_prepare
 283         $(foreach fs,$(TARGET_FILESYSTEMS),
 284                 $(call Image/Build,$(fs))
 285         )
 286         $(call Image/mkfs/ubifs)
 287         $(call Image/Checksum)
 288
 289 endef