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