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 ifneq ($(CONFIG_BIG_ENDIAN),)
  21   JFFS2OPTS     :=  --pad --big-endian --squash -v
  22   SQUASHFS_OPTS :=  -be
  23 else
  24   JFFS2OPTS     :=  --pad --little-endian --squash -v
  25   SQUASHFS_OPTS :=  -le
  26 endif
  27
  28 ifeq ($(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 ($(CONFIG_JFFS2_LZMA),y)
  44   JFFS2OPTS += -x lzma
  45 endif
  46
  47 ifneq ($(CONFIG_LINUX_2_6_25),)
  48   USE_SQUASHFS3 := y
  49 endif
  50
  51 ifneq ($(USE_SQUASHFS3),)
  52   MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs-lzma
  53 else
  54   MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
  55   SQUASHFS_OPTS  := -comp lzma -processors 1
  56 endif
  57
  58 JFFS2_BLOCKSIZE ?= 64k 128k
  59
  60 define add_jffs2_mark
  61         echo -ne '\xde\xad\xc0\xde' >> $(1)
  62 endef
  63
  64 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
  65 define prepare_generic_squashfs
  66         dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
  67         $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
  68         dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
  69         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  70         dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
  71         $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
  72         dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
  73         $(call add_jffs2_mark,$(1))
  74         rm -f $(KDIR)/tmpfile.*
  75 endef
  76
  77
  78 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  79
  80   define Image/BuildKernel
  81                 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
  82                 $(call Image/Build/Initramfs)
  83   endef
  84
  85 else
  86
  87   ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
  88     define Image/mkfs/jffs2/sub
  89                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  90                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR) -v 2>&1 1>/dev/null | awk '/^.+$$$$/'
  91                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  92                 $(call Image/Build,jffs2-$(1))
  93     endef
  94     define Image/mkfs/jffs2
  95                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  96     endef
  97   endif
  98
  99   ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
 100     define Image/mkfs/squashfs
 101                 @mkdir -p $(TARGET_DIR)/overlay
 102                 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
 103                 $(call Image/Build,squashfs)
 104     endef
 105   endif
 106
 107   ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 108     define Image/mkfs/ubifs
 109                 $(CP) ./ubinize.cfg $(KDIR)
 110                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
 111                 (cd $(KDIR); \
 112                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
 113                 $(call Image/Build,ubi)
 114     endef
 115   endif
 116
 117 endif
 118
 119 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 120   define Image/mkfs/cpiogz
 121                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 122   endef
 123 endif
 124
 125 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 126   define Image/mkfs/targz
 127                 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 128   endef
 129 endif
 130
 131 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 132   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 133
 134   define Image/mkfs/ext4
 135 # generate an ext2 fs
 136         $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
 137 # convert it to ext4
 138         $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 139 # fix it up
 140         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 141         $(call Image/Build,ext4)
 142   endef
 143 endif
 144
 145 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 146   define Image/mkfs/iso
 147                 $(call Image/Build,iso)
 148   endef
 149 endif
 150
 151
 152 define Image/mkfs/prepare/default
 153         - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
 154         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
 155         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
 156         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 157         chmod 0777 $(TARGET_DIR)/tmp
 158 endef
 159
 160 define Image/mkfs/prepare
 161         $(call Image/mkfs/prepare/default)
 162 endef
 163
 164
 165 define Image/Checksum
 166         ( cd ${BIN_DIR} ; \
 167                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 168                 md5sum --binary > md5sums \
 169         )
 170 endef
 171
 172
 173 define BuildImage
 174
 175   download:
 176   prepare:
 177
 178   ifeq ($(IB),)
 179     compile: compile-targets FORCE
 180                 $(call Build/Compile)
 181   else
 182     compile:
 183   endif
 184
 185   ifeq ($(IB),)
 186     install: compile install-targets FORCE
 187                 $(call Image/Prepare)
 188                 $(call Image/mkfs/prepare)
 189                 $(call Image/BuildKernel)
 190                 $(call Image/mkfs/cpiogz)
 191                 $(call Image/mkfs/targz)
 192                 $(call Image/mkfs/ext4)
 193                 $(call Image/mkfs/iso)
 194                 $(call Image/mkfs/jffs2)
 195                 $(call Image/mkfs/squashfs)
 196                 $(call Image/mkfs/ubifs)
 197                 $(call Image/Checksum)
 198   else
 199     install: compile install-targets
 200                 $(call Image/BuildKernel)
 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/squashfs)
 207                 $(call Image/mkfs/ubifs)
 208                 $(call Image/Checksum)
 209   endif
 210
 211   ifeq ($(IB),)
 212     clean: clean-targets
 213                 $(call Build/Clean)
 214   else
 215     clean:
 216   endif
 217
 218   compile-targets:
 219   install-targets:
 220   clean-targets:
 221
 222 endef