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/mkfs/jffs2/sub
  91                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  92                 $(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 '/^.+$$$$/'
  93                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
  94                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
  95                 $(call Image/Build,jffs2-$(2))
  96 endef
  97
  98 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
  99     define Image/mkfs/jffs2
 100                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ),$(SZ),$(JFFS2OPTS)))
 101     endef
 102 endif
 103
 104 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2_NAND),)
 105     define Image/mkfs/jffs2_nand
 106                 $(foreach SZ,$(NAND_BLOCKSIZE), $(call Image/mkfs/jffs2/sub, \
 107                         $(word 2,$(subst :, ,$(SZ))),nand-$(subst :,-,$(SZ)), \
 108                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst :, ,$(SZ)))) \
 109                 )
 110     endef
 111 endif
 112
 113 ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
 114     define Image/mkfs/squashfs
 115                 @mkdir -p $(TARGET_DIR)/overlay
 116                 $(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)
 117                 $(call Image/Build,squashfs)
 118     endef
 119 endif
 120
 121 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 122     define Image/mkfs/ubifs
 123
 124         ifdef UBIFS_OPTS
 125                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs \
 126                         $(UBIFS_OPTS) \
 127                         $(if $(CONFIG_TARGET_UBIFS_FREE_SPACE_FIXUP),--space-fixup) \
 128                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_NONE),--force-compr=none) \
 129                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_LZO),--force-compr=lzo) \
 130                         $(if $(CONFIG_TARGET_UBIFS_COMPRESSION_ZLIB),--force-compr=zlib) \
 131                         --jrn-size=$(CONFIG_TARGET_UBIFS_JOURNAL_SIZE) \
 132                         -o $(KDIR)/root.ubifs \
 133                         -d $(TARGET_DIR)
 134         endif
 135         $(call Image/Build,ubifs)
 136
 137         ifdef UBI_OPTS
 138                 $(CP) ./ubinize.cfg $(KDIR)
 139                 ( cd $(KDIR); \
 140                 $(STAGING_DIR_HOST)/bin/ubinize \
 141                         $(UBI_OPTS) \
 142                         -o $(KDIR)/root.ubi \
 143                         ubinize.cfg \
 144                 )
 145         endif
 146         $(call Image/Build,ubi)
 147     endef
 148 endif
 149
 150 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 151   define Image/mkfs/cpiogz
 152                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 153   endef
 154 endif
 155
 156 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 157   define Image/mkfs/targz
 158                 # Preserve permissions (-p) when building as non-root user
 159                 $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)$(if $(PROFILE),-$(PROFILE))-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 160   endef
 161 endif
 162
 163 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 164   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 165
 166   define Image/mkfs/ext4
 167 # generate an ext2 fs
 168         $(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)
 169 # convert it to ext4
 170         $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 171 # fix it up
 172         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 173         $(call Image/Build,ext4)
 174   endef
 175 endif
 176
 177 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 178   define Image/mkfs/iso
 179                 $(call Image/Build,iso)
 180   endef
 181 endif
 182
 183
 184 define Image/mkfs/prepare/default
 185         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 186         - $(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
 187         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 188         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 189         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 190         chmod 1777 $(TARGET_DIR)/tmp
 191 endef
 192
 193 define Image/mkfs/prepare
 194         $(call Image/mkfs/prepare/default)
 195 endef
 196
 197
 198 define Image/Checksum
 199         ( cd ${BIN_DIR} ; \
 200                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 201                 md5sum --binary > md5sums \
 202         )
 203 endef
 204
 205
 206 define BuildImage
 207
 208   download:
 209   prepare:
 210
 211   ifeq ($(IB),)
 212     compile: compile-targets FORCE
 213                 $(call Build/Compile)
 214   else
 215     compile:
 216   endif
 217
 218   ifeq ($(IB),)
 219     install: compile install-targets FORCE
 220                 $(call Image/Prepare)
 221                 $(call Image/mkfs/prepare)
 222                 $(call Image/BuildKernel)
 223                 $(call Image/BuildKernel/Initramfs)
 224                 $(call Image/InstallKernel)
 225                 $(call Image/mkfs/cpiogz)
 226                 $(call Image/mkfs/targz)
 227                 $(call Image/mkfs/ext4)
 228                 $(call Image/mkfs/iso)
 229                 $(call Image/mkfs/jffs2)
 230                 $(call Image/mkfs/jffs2_nand)
 231                 $(call Image/mkfs/squashfs)
 232                 $(call Image/mkfs/ubifs)
 233                 $(call Image/Checksum)
 234   else
 235     install: compile install-targets
 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                 $(call Image/Checksum)
 248   endif
 249
 250   ifeq ($(IB),)
 251     clean: clean-targets
 252                 $(call Build/Clean)
 253   else
 254     clean:
 255   endif
 256
 257   compile-targets:
 258   install-targets:
 259   clean-targets:
 260
 261 endef