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   MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
  48   SQUASHFS_OPTS  := -comp lzma -processors 1
  49
  50 JFFS2_BLOCKSIZE ?= 64k 128k
  51
  52 define add_jffs2_mark
  53         echo -ne '\xde\xad\xc0\xde' >> $(1)
  54 endef
  55
  56 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
  57 define prepare_generic_squashfs
  58         dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
  59         $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
  60         dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
  61         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  62         dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
  63         $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
  64         dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
  65         $(call add_jffs2_mark,$(1))
  66         rm -f $(KDIR)/tmpfile.*
  67 endef
  68
  69
  70 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  71
  72   define Image/BuildKernel
  73                 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
  74                 $(call Image/Build/Initramfs)
  75   endef
  76
  77 else
  78
  79   ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
  80     define Image/mkfs/jffs2/sub
  81                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  82                 $(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 '/^.+$$$$/'
  83                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  84                 $(call Image/Build,jffs2-$(1))
  85     endef
  86     define Image/mkfs/jffs2
  87                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  88     endef
  89   endif
  90
  91   ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
  92     define Image/mkfs/squashfs
  93                 @mkdir -p $(TARGET_DIR)/overlay
  94                 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  95                 $(call Image/Build,squashfs)
  96     endef
  97   endif
  98
  99   ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
 100     define Image/mkfs/ubifs
 101                 $(CP) ./ubinize.cfg $(KDIR)
 102                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
 103                 (cd $(KDIR); \
 104                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
 105                 $(call Image/Build,ubi)
 106     endef
 107   endif
 108
 109 endif
 110
 111 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 112   define Image/mkfs/cpiogz
 113                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 114   endef
 115 endif
 116
 117 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 118   define Image/mkfs/targz
 119                 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 120   endef
 121 endif
 122
 123 ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 124   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 125
 126   define Image/mkfs/ext4
 127 # generate an ext2 fs
 128         $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
 129 # convert it to ext4
 130         $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 131 # fix it up
 132         $(STAGING_DIR_HOST)/bin/e2fsck -fy $(KDIR)/root.ext4
 133         $(call Image/Build,ext4)
 134   endef
 135 endif
 136
 137 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 138   define Image/mkfs/iso
 139                 $(call Image/Build,iso)
 140   endef
 141 endif
 142
 143
 144 define Image/mkfs/prepare/default
 145         - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
 146         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
 147         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
 148         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 149         chmod 0777 $(TARGET_DIR)/tmp
 150 endef
 151
 152 define Image/mkfs/prepare
 153         $(call Image/mkfs/prepare/default)
 154 endef
 155
 156
 157 define Image/Checksum
 158         ( cd ${BIN_DIR} ; \
 159                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 160                 md5sum --binary > md5sums \
 161         )
 162 endef
 163
 164
 165 define BuildImage
 166
 167   download:
 168   prepare:
 169
 170   ifeq ($(IB),)
 171     compile: compile-targets FORCE
 172                 $(call Build/Compile)
 173   else
 174     compile:
 175   endif
 176
 177   ifeq ($(IB),)
 178     install: compile install-targets FORCE
 179                 $(call Image/Prepare)
 180                 $(call Image/mkfs/prepare)
 181                 $(call Image/BuildKernel)
 182                 $(call Image/mkfs/cpiogz)
 183                 $(call Image/mkfs/targz)
 184                 $(call Image/mkfs/ext4)
 185                 $(call Image/mkfs/iso)
 186                 $(call Image/mkfs/jffs2)
 187                 $(call Image/mkfs/squashfs)
 188                 $(call Image/mkfs/ubifs)
 189                 $(call Image/Checksum)
 190   else
 191     install: compile install-targets
 192                 $(call Image/BuildKernel)
 193                 $(call Image/mkfs/cpiogz)
 194                 $(call Image/mkfs/targz)
 195                 $(call Image/mkfs/ext4)
 196                 $(call Image/mkfs/iso)
 197                 $(call Image/mkfs/jffs2)
 198                 $(call Image/mkfs/squashfs)
 199                 $(call Image/mkfs/ubifs)
 200                 $(call Image/Checksum)
 201   endif
 202
 203   ifeq ($(IB),)
 204     clean: clean-targets
 205                 $(call Build/Clean)
 206   else
 207     clean:
 208   endif
 209
 210   compile-targets:
 211   install-targets:
 212   clean-targets:
 213
 214 endef