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 ($(CONFIG_BIG_ENDIAN),)
  21   JFFS2OPTS     :=  --pad --big-endian --squash -v
  22 else
  23   JFFS2OPTS     :=  --pad --little-endian --squash -v
  24 endif
  25
  26 ifeq ($(CONFIG_JFFS2_RTIME),y)
  27   JFFS2OPTS += -X rtime
  28 endif
  29 ifeq ($(CONFIG_JFFS2_ZLIB),y)
  30   JFFS2OPTS += -X zlib
  31 endif
  32 ifeq ($(CONFIG_JFFS2_LZMA),y)
  33   JFFS2OPTS += -X lzma --compression-mode=size
  34 endif
  35 ifneq ($(CONFIG_JFFS2_RTIME),y)
  36   JFFS2OPTS +=  -x rtime
  37 endif
  38 ifneq ($(CONFIG_JFFS2_ZLIB),y)
  39   JFFS2OPTS += -x zlib
  40 endif
  41 ifneq ($(CONFIG_JFFS2_LZMA),y)
  42   JFFS2OPTS += -x lzma
  43 endif
  44
  45 JFFS2_BLOCKSIZE ?= 64k 128k
  46
  47 define add_jffs2_mark
  48         echo -ne '\xde\xad\xc0\xde' >> $(1)
  49 endef
  50
  51 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
  52 define prepare_generic_squashfs
  53         dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
  54         $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
  55         dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
  56         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  57         dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
  58         $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
  59         dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
  60         $(call add_jffs2_mark,$(1))
  61         rm -f $(KDIR)/tmpfile.*
  62 endef
  63
  64
  65 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  66
  67   define Image/BuildKernel
  68                 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
  69                 $(call Image/Build/Initramfs)
  70   endef
  71
  72 else
  73
  74   ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
  75     define Image/mkfs/jffs2/sub
  76                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  77                 $(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 '/^.+$$$$/'
  78                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  79                 $(call Image/Build,jffs2-$(1))
  80     endef
  81     define Image/mkfs/jffs2
  82                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  83     endef
  84   endif
  85
  86   ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
  87     define Image/mkfs/squashfs
  88                 @mkdir -p $(TARGET_DIR)/overlay
  89                 $(STAGING_DIR_HOST)/bin/mksquashfs4 $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned -comp lzma -processors 1
  90                 $(call Image/Build,squashfs)
  91     endef
  92   endif
  93
  94   ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
  95     define Image/mkfs/ubifs
  96                 $(CP) ./ubinize.cfg $(KDIR)
  97                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
  98                 (cd $(KDIR); \
  99                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
 100                 $(call Image/Build,ubi)
 101     endef
 102   endif
 103
 104 endif
 105
 106 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 107   define Image/mkfs/cpiogz
 108                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 109   endef
 110 endif
 111
 112 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 113   define Image/mkfs/targz
 114                 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 115   endef
 116 endif
 117
 118 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 119   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 120
 121   define Image/mkfs/ext4
 122 # generate an ext2 fs
 123         $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
 124 # convert it to ext4
 125         $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 126 # fix it up
 127         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 128         $(call Image/Build,ext4)
 129   endef
 130 endif
 131
 132 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 133   define Image/mkfs/iso
 134                 $(call Image/Build,iso)
 135   endef
 136 endif
 137
 138
 139 define Image/mkfs/prepare/default
 140         - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
 141         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
 142         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
 143         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 144         chmod 0777 $(TARGET_DIR)/tmp
 145 endef
 146
 147 define Image/mkfs/prepare
 148         $(call Image/mkfs/prepare/default)
 149 endef
 150
 151
 152 define Image/Checksum
 153         ( cd ${BIN_DIR} ; \
 154                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 155                 md5sum --binary > md5sums \
 156         )
 157 endef
 158
 159
 160 define BuildImage
 161
 162   download:
 163   prepare:
 164
 165   ifeq ($(IB),)
 166     compile: compile-targets FORCE
 167                 $(call Build/Compile)
 168   else
 169     compile:
 170   endif
 171
 172   ifeq ($(IB),)
 173     install: compile install-targets FORCE
 174                 $(call Image/Prepare)
 175                 $(call Image/mkfs/prepare)
 176                 $(call Image/BuildKernel)
 177                 $(call Image/mkfs/cpiogz)
 178                 $(call Image/mkfs/targz)
 179                 $(call Image/mkfs/ext4)
 180                 $(call Image/mkfs/iso)
 181                 $(call Image/mkfs/jffs2)
 182                 $(call Image/mkfs/squashfs)
 183                 $(call Image/mkfs/ubifs)
 184                 $(call Image/Checksum)
 185   else
 186     install: compile install-targets
 187                 $(call Image/BuildKernel)
 188                 $(call Image/mkfs/cpiogz)
 189                 $(call Image/mkfs/targz)
 190                 $(call Image/mkfs/ext4)
 191                 $(call Image/mkfs/iso)
 192                 $(call Image/mkfs/jffs2)
 193                 $(call Image/mkfs/squashfs)
 194                 $(call Image/mkfs/ubifs)
 195                 $(call Image/Checksum)
 196   endif
 197
 198   ifeq ($(IB),)
 199     clean: clean-targets
 200                 $(call Build/Clean)
 201   else
 202     clean:
 203   endif
 204
 205   compile-targets:
 206   install-targets:
 207   clean-targets:
 208
 209 endef