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=$(KERNEL_BUILD_DIR)
  17
  18 IMG_PREFIX:=openwrt-$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))
  19
  20 MKFS_DEVTABLE_OPT := -D $(INCLUDE_DIR)/device_table.txt
  21
  22 ifneq ($(CONFIG_BIG_ENDIAN),)
  23   JFFS2OPTS     :=  --big-endian --squash-uids -v
  24 else
  25   JFFS2OPTS     :=  --little-endian --squash-uids -v
  26 endif
  27
  28 ifeq ($(CONFIG_JFFS2_RTIME),y)
  29   JFFS2OPTS += -X rtime
  30 endif
  31 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  32   JFFS2OPTS += -X zlib
  33 endif
  34 ifeq ($(CONFIG_JFFS2_LZMA),y)
  35   JFFS2OPTS += -X lzma --compression-mode=size
  36 endif
  37 ifneq ($(CONFIG_JFFS2_RTIME),y)
  38   JFFS2OPTS += -x rtime
  39 endif
  40 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  41   JFFS2OPTS += -x zlib
  42 endif
  43 ifneq ($(CONFIG_JFFS2_LZMA),y)
  44   JFFS2OPTS += -x lzma
  45 endif
  46
  47 JFFS2OPTS += $(MKFS_DEVTABLE_OPT)
  48
  49 SQUASHFS_BLOCKSIZE := 256k
  50 SQUASHFSOPT := -b $(SQUASHFS_BLOCKSIZE)
  51 SQUASHFSOPT += -p '/dev d 755 0 0' -p '/dev/console c 600 0 0 5 1'
  52 SQUASHFSCOMP := gzip
  53 LZMA_XZ_OPTIONS := -Xpreset 9 -Xe -Xlc 0 -Xlp 2 -Xpb 2
  54 ifeq ($(CONFIG_SQUASHFS_LZMA),y)
  55   SQUASHFSCOMP := lzma $(LZMA_XZ_OPTIONS)
  56 endif
  57 ifeq ($(CONFIG_SQUASHFS_XZ),y)
  58   ifneq ($(filter arm x86 powerpc sparc,$(LINUX_KARCH)),)
  59     BCJ_FILTER:=-Xbcj $(LINUX_KARCH)
  60   endif
  61   SQUASHFSCOMP := xz $(LZMA_XZ_OPTIONS) $(BCJ_FILTER)
  62 endif
  63
  64 JFFS2_BLOCKSIZE ?= 64k 128k
  65
  66 define add_jffs2_mark
  67         echo -ne '\xde\xad\xc0\xde' >> $(1)
  68 endef
  69
  70 # pad to 4k, 8k, 64k, 128k 256k and add jffs2 end-of-filesystem mark
  71 define prepare_generic_squashfs
  72         $(STAGING_DIR_HOST)/bin/padjffs2 $(1) 4 8 64 128 256
  73 endef
  74
  75 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  76   define Image/BuildKernel/Initramfs
  77         cp $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs.elf
  78         $(call Image/Build/Initramfs)
  79   endef
  80 else
  81   define Image/BuildKernel/Initramfs
  82   endef
  83 endif
  84
  85 define Image/BuildKernel/MkuImageARM
  86         mkimage -A arm -O linux -T kernel -a $(1) -C none -e $(1) \
  87                 -n 'ARM OpenWrt Linux-$(LINUX_VERSION)' -d $(2) $(3)
  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 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 129     define Image/mkfs/ubifs
 130
 131         ifneq ($($(PROFILE)_UBIFS_OPTS)$(UBIFS_OPTS),)
 132                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 133                         $(if $($(PROFILE)_UBIFS_OPTS), \
 134                                 $(shell echo $($(PROFILE)_UBIFS_OPTS)), \
 135                                 $(shell echo $(UBIFS_OPTS)) \
 136                         ) \
 137                         $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 138                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 139                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 140                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 141                         --jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE) \
 142                         --squash-uids \
 143                         -o $(KDIR)/root.ubifs \
 144                         -d $(TARGET_DIR)
 145         endif
 146         $(call Image/Build,ubifs)
 147
 148         ifneq ($($(PROFILE)_UBI_OPTS)$(UBI_OPTS),)
 149                 $(CP) ./ubinize.cfg $(KDIR)
 150                 ( cd $(KDIR); \
 151                 $(STAGING_DIR_HOST)/bin/ubinize \
 152                         $(if $($(PROFILE)_UBI_OPTS), \
 153                                 $(shell echo $($(PROFILE)_UBI_OPTS)), \
 154                                 $(shell echo $(UBI_OPTS)) \
 155                         ) \
 156                         -o $(KDIR)/root.ubi \
 157                         ubinize.cfg \
 158                 )
 159         endif
 160         $(call Image/Build,ubi)
 161     endef
 162 endif
 163
 164 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 165   define Image/mkfs/cpiogz
 166                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 167   endef
 168 endif
 169
 170 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 171   define Image/mkfs/targz
 172                 # Preserve permissions (-p) when building as non-root user
 173                 $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 174   endef
 175 endif
 176
 177 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 178   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 179
 180   define Image/mkfs/ext4
 181 # generate an ext2 fs
 182         $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_ROOTFS_RESERVED_PCT) $(MKFS_DEVTABLE_OPT)
 183 # convert it to ext4
 184         $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 185 # fix it up
 186         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 187         $(call Image/Build,ext4)
 188   endef
 189 endif
 190
 191 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 192   define Image/mkfs/iso
 193                 $(call Image/Build,iso)
 194   endef
 195 endif
 196
 197
 198 define Image/mkfs/prepare/default
 199         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 200         - $(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
 201         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 202         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 203         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 204         chmod 1777 $(TARGET_DIR)/tmp
 205 endef
 206
 207 define Image/mkfs/prepare
 208         $(call Image/mkfs/prepare/default)
 209 endef
 210
 211
 212 define Image/Checksum
 213         ( cd ${BIN_DIR} ; \
 214                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 215                 md5sum --binary > md5sums \
 216         )
 217 endef
 218
 219
 220 define BuildImage
 221
 222   download:
 223   prepare:
 224
 225   ifeq ($(IB),)
 226     compile: compile-targets FORCE
 227                 $(call Build/Compile)
 228   else
 229     compile:
 230   endif
 231
 232   ifeq ($(IB),)
 233     install: compile install-targets FORCE
 234                 $(call Image/Prepare)
 235                 $(call Image/mkfs/prepare)
 236                 $(call Image/BuildKernel)
 237                 $(call Image/BuildKernel/Initramfs)
 238                 $(call Image/InstallKernel)
 239                 $(call Image/mkfs/cpiogz)
 240                 $(call Image/mkfs/targz)
 241                 $(call Image/mkfs/ext4)
 242                 $(call Image/mkfs/iso)
 243                 $(call Image/mkfs/jffs2)
 244                 $(call Image/mkfs/jffs2_nand)
 245                 $(call Image/mkfs/squashfs)
 246                 $(call Image/mkfs/ubifs)
 247                 $(call Image/Checksum)
 248   else
 249     install: compile install-targets
 250                 $(call Image/BuildKernel)
 251                 $(call Image/BuildKernel/Initramfs)
 252                 $(call Image/InstallKernel)
 253                 $(call Image/mkfs/cpiogz)
 254                 $(call Image/mkfs/targz)
 255                 $(call Image/mkfs/ext4)
 256                 $(call Image/mkfs/iso)
 257                 $(call Image/mkfs/jffs2)
 258                 $(call Image/mkfs/jffs2_nand)
 259                 $(call Image/mkfs/squashfs)
 260                 $(call Image/mkfs/ubifs)
 261                 $(call Image/Checksum)
 262   endif
 263
 264   ifeq ($(IB),)
 265     clean: clean-targets
 266                 $(call Build/Clean)
 267   else
 268     clean:
 269   endif
 270
 271   compile-targets:
 272   install-targets:
 273   clean-targets:
 274
 275 endef