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/mkfs/jffs2/sub
  86                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  87                 $(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 '/^.+$$$$/'
  88                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(3) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(2)-raw -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
  89                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(2))
  90                 $(call Image/Build,jffs2-$(2))
  91 endef
  92
  93 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
  94     define Image/mkfs/jffs2
  95                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ),$(SZ),$(JFFS2OPTS)))
  96     endef
  97 endif
  98
  99 ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2_NAND),)
 100     define Image/mkfs/jffs2_nand
 101                 $(foreach SZ,$(NAND_BLOCKSIZE), $(call Image/mkfs/jffs2/sub, \
 102                         $(word 2,$(subst :, ,$(SZ))),nand-$(subst :,-,$(SZ)), \
 103                         $(JFFS2OPTS) --no-cleanmarkers --pagesize=$(word 1,$(subst :, ,$(SZ)))) \
 104                 )
 105     endef
 106 endif
 107
 108 ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
 109     define Image/mkfs/squashfs
 110                 @mkdir -p $(TARGET_DIR)/overlay
 111                 $(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)
 112                 $(call Image/Build,squashfs)
 113     endef
 114 endif
 115
 116 ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 117     define Image/mkfs/ubifs
 118                 $(CP) ./ubinize.cfg $(KDIR)
 119                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) $(MKFS_DEVTABLE_OPT) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
 120                 $(call Image/Build,ubifs)
 121                 (cd $(KDIR); \
 122                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
 123                 $(call Image/Build,ubi)
 124     endef
 125 endif
 126
 127 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 128   define Image/mkfs/cpiogz
 129                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 130   endef
 131 endif
 132
 133 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 134   define Image/mkfs/targz
 135                 # Preserve permissions (-p) when building as non-root user
 136                 $(TAR) -czpf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 137   endef
 138 endif
 139
 140 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 141   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 142
 143   define Image/mkfs/ext4
 144 # generate an ext2 fs
 145         $(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)
 146 # convert it to ext4
 147         $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 148 # fix it up
 149         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 150         $(call Image/Build,ext4)
 151   endef
 152 endif
 153
 154 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 155   define Image/mkfs/iso
 156                 $(call Image/Build,iso)
 157   endef
 158 endif
 159
 160
 161 define Image/mkfs/prepare/default
 162         # Use symbolic permissions to avoid clobbering SUID/SGID/sticky bits
 163         - $(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
 164         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 165         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod u+rwx,g+rx,o+rx
 166         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 167         chmod 1777 $(TARGET_DIR)/tmp
 168 endef
 169
 170 define Image/mkfs/prepare
 171         $(call Image/mkfs/prepare/default)
 172 endef
 173
 174
 175 define Image/Checksum
 176         ( cd ${BIN_DIR} ; \
 177                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 178                 md5sum --binary > md5sums \
 179         )
 180 endef
 181
 182
 183 define BuildImage
 184
 185   download:
 186   prepare:
 187
 188   ifeq ($(IB),)
 189     compile: compile-targets FORCE
 190                 $(call Build/Compile)
 191   else
 192     compile:
 193   endif
 194
 195   ifeq ($(IB),)
 196     install: compile install-targets FORCE
 197                 $(call Image/Prepare)
 198                 $(call Image/mkfs/prepare)
 199                 $(call Image/BuildKernel)
 200                 $(call Image/BuildKernel/Initramfs)
 201                 $(call Image/InstallKernel)
 202                 $(call Image/mkfs/cpiogz)
 203                 $(call Image/mkfs/targz)
 204                 $(call Image/mkfs/ext4)
 205                 $(call Image/mkfs/iso)
 206                 $(call Image/mkfs/jffs2)
 207                 $(call Image/mkfs/jffs2_nand)
 208                 $(call Image/mkfs/squashfs)
 209                 $(call Image/mkfs/ubifs)
 210                 $(call Image/Checksum)
 211   else
 212     install: compile install-targets
 213                 $(call Image/BuildKernel)
 214                 $(call Image/BuildKernel/Initramfs)
 215                 $(call Image/InstallKernel)
 216                 $(call Image/mkfs/cpiogz)
 217                 $(call Image/mkfs/targz)
 218                 $(call Image/mkfs/ext4)
 219                 $(call Image/mkfs/iso)
 220                 $(call Image/mkfs/jffs2)
 221                 $(call Image/mkfs/jffs2_nand)
 222                 $(call Image/mkfs/squashfs)
 223                 $(call Image/mkfs/ubifs)
 224                 $(call Image/Checksum)
 225   endif
 226
 227   ifeq ($(IB),)
 228     clean: clean-targets
 229                 $(call Build/Clean)
 230   else
 231     clean:
 232   endif
 233
 234   compile-targets:
 235   install-targets:
 236   clean-targets:
 237
 238 endef