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