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 $(INCLUDE_DIR)/host.mk
  12
  13 .NOTPARALLEL:
  14 override MAKEFLAGS=
  15 override MAKE:=$(SUBMAKE)
  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 define add_jffs2_mark
  68         echo -ne '\xde\xad\xc0\xde' >> $(1)
  69 endef
  70
  71 define toupper
  72 $(shell echo $(1) | tr '[:lower:]' '[:upper:]')
  73 endef
  74
  75 # pad to 4k, 8k, 16k, 64k, 128k, 256k and add jffs2 end-of-filesystem mark
  76 define prepare_generic_squashfs
  77         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 16 64 128 256
  78 endef
  79
  80 define Image/BuildKernel/Initramfs
  81         cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs.elf
  82         $(call Image/Build/Initramfs)
  83 endef
  84
  85 define Image/BuildKernel/MkuImage
  86         mkimage -A $(ARCH) -O linux -T kernel -C $(1) -a $(2) -e $(3) \
  87                 -n '$(call toupper,$(ARCH)) OpenWrt Linux-$(LINUX_VERSION)' -d $(4) $(5)
  88 endef
  89
  90 define Image/BuildKernel/MkFIT
  91         $(TOPDIR)/scripts/mkits.sh \
  92                 -D $(1) -o $(KDIR)/fit-$(1).its -k $(2) -d $(3) -C $(4) -a $(5) -e $(6) \
  93                 -A $(ARCH) -v $(LINUX_VERSION)
  94         PATH=$(LINUX_DIR)/scripts/dtc:$(PATH) mkimage -f $(KDIR)/fit-$(1).its $(KDIR)/fit-$(1)$(7).itb
  95 endef
  96
  97 define Image/mkfs/jffs2/sub
  98                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  99                 $(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 '/^.+$$$$/'
 100                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
 101                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
 102                 $(call Image/Build,jffs2-$(2))
 103 endef
 104
 105 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
 106     define Image/mkfs/jffs2
 107                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ),$(SZ),$(JFFS2OPTS)))
 108     endef
 109 endif
 110
 111 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2_NAND),)
 112     define Image/mkfs/jffs2_nand
 113                 $(foreach SZ,$(NAND_BLOCKSIZE), $(call Image/mkfs/jffs2/sub, \
 114                         $(word 2,$(subst :, ,$(SZ))),nand-$(subst :,-,$(SZ)), \
 115                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst :, ,$(SZ)))) \
 116                 )
 117     endef
 118 endif
 119
 120 ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
 121     define Image/mkfs/squashfs
 122                 @mkdir -p $(TARGET_DIR)/overlay
 123                 $(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)
 124                 $(call Image/Build,squashfs)
 125     endef
 126 endif
 127
 128 # $(1): board name
 129 # $(2): rootfs type
 130 # $(3): kernel image
 131 ifneq ($(CONFIG_NAND_SUPPORT),)
 132    define Image/Build/SysupgradeNAND
 133         mkdir -p "$(KDIR_TMP)/sysupgrade-$(1)/"
 134         echo "BOARD=$(1)" > "$(KDIR_TMP)/sysupgrade-$(1)/CONTROL"
 135         [ -z "$(2)" ] || $(CP) "$(KDIR)/root.$(2)" "$(KDIR_TMP)/sysupgrade-$(1)/root"
 136         [ -z "$(3)" ] || $(CP) "$(3)" "$(KDIR_TMP)/sysupgrade-$(1)/kernel"
 137         (cd "$(KDIR_TMP)"; $(TAR) cvf \
 138                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(2)-sysupgrade.tar" sysupgrade-$(1))
 139    endef
 140 # $(1) board name
 141 # $(2) ubinize-image options (e.g. --uboot-env and/or --kernel kernelimage)
 142 # $(3) rootfstype (e.g. squashfs or ubifs)
 143 # $(4) options to pass-through to ubinize (i.e. $($(PROFILE)_UBI_OPTS)))
 144    define Image/Build/UbinizeImage
 145         sh $(TOPDIR)/scripts/ubinize-image.sh $(2) \
 146                 "$(KDIR)/root.$(3)" \
 147                 "$(BIN_DIR)/$(IMG_PREFIX)-$(1)-$(3)-ubinized.bin" \
 148                 $(4)
 149    endef
 150
 151 endif
 152
 153 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 154     define Image/mkfs/ubifs/generate
 155         $(CP) ./ubinize$(1).cfg $(KDIR)
 156         ( cd $(KDIR); \
 157                 $(STAGING_DIR_HOST)/bin/ubinize \
 158                 $(if $($(PROFILE)_UBI_OPTS), \
 159                         $(shell echo $($(PROFILE)_UBI_OPTS)), \
 160                         $(shell echo $(UBI_OPTS)) \
 161                 ) \
 162                 -o $(KDIR)/root$(1).ubi \
 163                 ubinize$(1).cfg \
 164         )
 165     endef
 166
 167     define Image/mkfs/ubifs
 168
 169         ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
 170                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 171                         $(if $($(PROFILE)_UBIFS_OPTS), \
 172                                 $(shell echo $($(PROFILE)_UBIFS_OPTS)), \
 173                                 $(shell echo $(UBIFS_OPTS)) \
 174                         ) \
 175                         $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 176                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 177                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 178                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 179                         $(if $(shell echo $(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)),--jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE)) \
 180                         --squash-uids \
 181                         -o $(KDIR)/root.ubifs \
 182                         -d $(TARGET_DIR)
 183         endif
 184         $(call Image/Build,ubifs)
 185
 186         ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
 187                 $(call Image/mkfs/ubifs/generate,)
 188                 $(if $(wildcard ./ubinize-overlay.cfg),$(call Image/mkfs/ubifs/generate,-overlay))
 189         endif
 190         $(call Image/Build,ubi)
 191     endef
 192 endif
 193
 194 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 195   define Image/mkfs/cpiogz
 196                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 197   endef
 198 endif
 199
 200 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 201   define Image/mkfs/targz
 202                 # Preserve permissions (-p) when building as non-root user
 203                 $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 204   endef
 205 endif
 206
 207 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 208   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024/$(CONFIG_TARGET_EXT4_BLOCKSIZE))))
 209
 210   define Image/mkfs/ext4
 211 # generate an ext2 fs
 212         $(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)
 213 # convert it to ext4
 214         $(STAGING_DIR_HOST)/bin/tune2fs $(if $(CONFIG_TARGET_EXT4_JOURNAL),-j) -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 215 # fix it up
 216         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 217         $(call Image/Build,ext4)
 218   endef
 219 endif
 220
 221 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 222   define Image/mkfs/iso
 223                 $(call Image/Build,iso)
 224   endef
 225 endif
 226
 227
 228 define Image/mkfs/prepare/default
 229         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 230         - $(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
 231         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 232         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 233         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 234         chmod 1777 $(TARGET_DIR)/tmp
 235 endef
 236
 237 define Image/mkfs/prepare
 238         $(call Image/mkfs/prepare/default)
 239 endef
 240
 241
 242 define Image/Checksum
 243         ( cd ${BIN_DIR} ; \
 244                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 245                 md5sum --binary > md5sums \
 246         )
 247 endef
 248
 249
 250 define BuildImage
 251
 252   download:
 253   prepare:
 254
 255   ifeq ($(IB),)
 256     compile: compile-targets FORCE
 257                 $(call Build/Compile)
 258   else
 259     compile:
 260   endif
 261
 262   ifeq ($(IB),)
 263     install: compile install-targets FORCE
 264                 $(call Image/Prepare)
 265                 $(call Image/mkfs/prepare)
 266                 $(call Image/BuildKernel)
 267                 $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/BuildKernel/Initramfs))
 268                 $(call Image/InstallKernel)
 269                 $(call Image/mkfs/cpiogz)
 270                 $(call Image/mkfs/targz)
 271                 $(call Image/mkfs/ext4)
 272                 $(call Image/mkfs/iso)
 273                 $(call Image/mkfs/jffs2)
 274                 $(call Image/mkfs/jffs2_nand)
 275                 $(call Image/mkfs/squashfs)
 276                 $(call Image/mkfs/ubifs)
 277                 $(call Image/Checksum)
 278   else
 279     install: compile install-targets
 280                 $(call Image/BuildKernel)
 281                 $(if $(CONFIG_TARGET_ROOTFS_INITRAMFS),$(call Image/BuildKernel/Initramfs))
 282                 $(call Image/InstallKernel)
 283                 $(call Image/mkfs/cpiogz)
 284                 $(call Image/mkfs/targz)
 285                 $(call Image/mkfs/ext4)
 286                 $(call Image/mkfs/iso)
 287                 $(call Image/mkfs/jffs2)
 288                 $(call Image/mkfs/jffs2_nand)
 289                 $(call Image/mkfs/squashfs)
 290                 $(call Image/mkfs/ubifs)
 291                 $(call Image/Checksum)
 292   endif
 293
 294   ifeq ($(IB),)
 295     clean: clean-targets
 296                 $(call Build/Clean)
 297   else
 298     clean:
 299   endif
 300
 301   compile-targets:
 302   install-targets:
 303   clean-targets:
 304
 305 endef