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         $(call Image/Build/Initramfs)
  93 endef
  94
  95 define Image/BuildKernel/MkuImage
  96         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
  97                 -n '$(call toupper,$(ARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $(4) $(5)
  98 endef
  99
 100 define Image/BuildKernel/MkFIT
 101         $(TOPDIR)/scripts/mkits.sh \
 102                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) -d $(3) -C $(4) -a $(5) -e $(6) \
 103                 -A $(ARCH) -v $(LINUX_VERSION)
 104         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
 105 endef
 106
 107 define Image/mkfs/jffs2/sub
 108                 $(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 '/^.+$$$$/'
 109                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
 110 endef
 111
 112 define Image/mkfs/jffs2/sub-raw
 113                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 114 endef
 115
 116 define Image/mkfs/jffs2/template
 117   Image/mkfs/jffs2-$(1) = $$(call Image/mkfs/jffs2/sub,$(1),$(1),$(JFFS2OPTS))
 118   Image/mkfs/jffs2-$(1)-raw = $$(call Image/mkfs/jffs2/sub-raw,$(1),$(1),$(JFFS2OPTS))
 119
 120 endef
 121
 122 define Image/mkfs/jffs2-nand/template
 123   Image/mkfs/jffs2-nand-$(1) = \
 124         $$(call Image/mkfs/jffs2/sub, \
 125                 $(word 2,$(subst -, ,$(1))),nand-$(1), \
 126                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst -, ,$(1))))
 127
 128 endef
 129
 130 $(eval $(foreach S,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/template,$(S))))
 131 $(eval $(foreach S,$(NAND_BLOCKSIZE),$(call Image/mkfs/jffs2-nand/template,$(S))))
 132
 133 define Image/mkfs/squashfs
 134         $(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)
 135 endef
 136
 137 # $(1): board name
 138 # $(2): rootfs type
 139 # $(3): kernel image
 140 ifneq ($(CONFIG_NAND_SUPPORT),)
 141    define Image/Build/SysupgradeNAND
 142         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 143         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 144         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 145         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 146         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 147                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1))
 148    endef
 149 # $(1) board name
 150 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 151 # $(3) rootfstype (e.g. squashfs or ubifs)
 152 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 153    define Image/Build/UbinizeImage
 154         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 155                 "$(KDIR)/root.$(3)" \
 156                 "$(KDIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 157                 $(4)
 158    endef
 159
 160 endif
 161
 162 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 163     define Image/mkfs/ubifs/generate
 164         $(CP) ./ubinize$(1).cfg $(KDIR)
 165         ( cd $(KDIR); \
 166                 $(STAGING_DIR_HOST)/bin/ubinize \
 167                 $(if $($(PROFILE)_UBI_OPTS), \
 168                         $(shell echo $($(PROFILE)_UBI_OPTS)), \
 169                         $(shell echo $(UBI_OPTS)) \
 170                 ) \
 171                 -o $(KDIR)/root$(1).ubi \
 172                 ubinize$(1).cfg \
 173         )
 174     endef
 175
 176     define Image/mkfs/ubifs
 177
 178         ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
 179                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 180                         $(if $($(PROFILE)_UBIFS_OPTS), \
 181                                 $(shell echo $($(PROFILE)_UBIFS_OPTS)), \
 182                                 $(shell echo $(UBIFS_OPTS)) \
 183                         ) \
 184                         $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 185                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 186                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 187                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 188                         $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 189                         --squash-uids \
 190                         -o $(KDIR)/root.ubifs \
 191                         -d $(TARGET_DIR)
 192         endif
 193         $(call Image/Build,ubifs)
 194
 195         ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
 196                 $(call Image/mkfs/ubifs/generate,)
 197                 $(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
 198         endif
 199         $(call Image/Build,ubi)
 200     endef
 201 endif
 202
 203 define Image/mkfs/cpiogz
 204         ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 205 endef
 206
 207 define Image/mkfs/targz
 208         $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 209 endef
 210
 211 E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024/$(CONFIG_TARGET_EXT4_BLOCKSIZE))))
 212
 213 define Image/mkfs/ext4
 214 # generate an ext2 fs
 215         $(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)
 216 # convert it to ext4
 217         $(STAGING_DIR_HOST)/bin/tune2fs $(if $(CONFIG_TARGET_EXT4_JOURNAL),-j) -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 218 # fix it up
 219         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 220 endef
 221
 222 define Image/mkfs/prepare/default
 223         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 224         - $(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
 225         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 226         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 227         $(INSTALL_DIR) $(TARGET_DIR)/tmp $(TARGET_DIR)/overlay
 228         chmod 1777 $(TARGET_DIR)/tmp
 229 endef
 230
 231 define Image/mkfs/prepare
 232         $(call Image/mkfs/prepare/default)
 233 endef
 234
 235
 236 define Image/Checksum
 237         ( cd ${BIN_DIR} ; \
 238                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 239                 md5sum --binary > md5sums \
 240         )
 241 endef
 242
 243 define BuildImage/mkfs
 244   install: mkfs-$(1)
 245   .PHONY: mkfs-$(1)
 246   mkfs-$(1): mkfs_prepare
 247         $(Image/mkfs/$(1))
 248
 249 endef
 250
 251 define BuildImage
 252
 253   download:
 254   prepare:
 255   compile:
 256   clean:
 257   image_prepare:
 258
 259   ifeq ($(IB),)
 260     .PHONY: download prepare compile clean image_prepare mkfs_prepare kernel_prepare install
 261     compile:
 262                 $(call Build/Compile)
 263
 264     clean:
 265                 $(call Build/Clean)
 266
 267     image_prepare: compile
 268                 $(call Image/Prepare)
 269   endif
 270
 271   mkfs_prepare: image_prepare
 272         $(call Image/mkfs/prepare)
 273
 274   kernel_prepare: mkfs_prepare
 275         $(call Image/BuildKernel)
 276         $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/BuildKernel/Initramfs))
 277         $(call Image/InstallKernel)
 278
 279   $(foreach fs,$(TARGET_FILESYSTEMS) $(fs-subtypes-y),$(call BuildImage/mkfs,$(fs)))
 280
 281   install: kernel_prepare
 282         $(foreach fs,$(TARGET_FILESYSTEMS),
 283                 $(call Image/Build,$(fs))
 284         )
 285         $(call Image/mkfs/ubifs)
 286         $(call Image/Checksum)
 287
 288 endef