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 ($(CONFIG_BIG_ENDIAN),y)
  21 JFFS2OPTS     :=  --pad --little-endian --squash -v
  22 SQUASHFS_OPTS :=  -le
  23 else
  24 JFFS2OPTS     :=  --pad --big-endian --squash -v
  25 SQUASHFS_OPTS :=  -be
  26 endif
  27
  28 ifeq ($(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_4)$(CONFIG_LINUX_2_6_25),)
  48 USE_SQUASHFS3 := y
  49 endif
  50
  51 ifneq ($(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 $(KDIR)/tmpfile.*
  75 endef
  76
  77 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  78   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  79     define Image/mkfs/jffs2/sub
  80                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  81                 $(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 '/^.+$$$$/'
  82                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  83                 $(call Image/Build,jffs2-$(1))
  84     endef
  85     define Image/mkfs/jffs2
  86                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  87     endef
  88   endif
  89
  90   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  91     define Image/mkfs/squashfs
  92                 @mkdir -p $(TARGET_DIR)/overlay
  93                 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  94                 $(call Image/Build,squashfs)
  95     endef
  96   endif
  97
  98   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  99     define Image/mkfs/tgz
 100                 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tgz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 101     endef
 102   endif
 103
 104   ifeq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),y)
 105     define Image/mkfs/cpiogz
 106                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 107     endef
 108   endif
 109   ifeq ($(CONFIG_TARGET_ROOTFS_UBIFS),y)
 110     define Image/mkfs/ubifs
 111                 $(CP) ./ubinize.cfg $(KDIR)
 112                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
 113                 (cd $(KDIR); \
 114                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
 115                 $(call Image/Build,ubi)
 116     endef
 117   endif
 118 else
 119   define Image/BuildKernel
 120         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
 121         $(call Image/Build/Initramfs)
 122   endef
 123 endif
 124
 125 define Image/Checksum
 126         ( cd ${BIN_DIR} ; \
 127                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 128                 md5sum --binary > md5sums \
 129         )
 130 endef
 131
 132
 133 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
 134   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
 135
 136   define Image/mkfs/ext2
 137                 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
 138                 $(call Image/Build,ext2)
 139   endef
 140 endif
 141
 142 ifeq ($(CONFIG_TARGET_ROOTFS_ISO),y)
 143   define Image/mkfs/iso
 144                 $(call Image/Build,iso)
 145   endef
 146 endif
 147
 148
 149 define Image/mkfs/prepare/default
 150         - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
 151         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
 152         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
 153         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 154         chmod 0777 $(TARGET_DIR)/tmp
 155 endef
 156
 157 define Image/mkfs/prepare
 158         $(call Image/mkfs/prepare/default)
 159 endef
 160
 161 define BuildImage
 162 download:
 163 prepare:
 164 ifneq ($(IB),1)
 165   compile: compile-targets FORCE
 166         $(call Build/Compile)
 167 else
 168   compile:
 169 endif
 170
 171 ifneq ($(IB),1)
 172   install: compile install-targets FORCE
 173         $(call Image/Prepare)
 174         $(call Image/mkfs/prepare)
 175         $(call Image/BuildKernel)
 176         $(call Image/mkfs/jffs2)
 177         $(call Image/mkfs/squashfs)
 178         $(call Image/mkfs/tgz)
 179         $(call Image/mkfs/cpiogz)
 180         $(call Image/mkfs/ext2)
 181         $(call Image/mkfs/iso)
 182         $(call Image/mkfs/ubifs)
 183         $(call Image/Checksum)
 184 else
 185   install: compile install-targets
 186         $(call Image/BuildKernel)
 187         $(call Image/mkfs/jffs2)
 188         $(call Image/mkfs/squashfs)
 189         $(call Image/mkfs/tgz)
 190         $(call Image/mkfs/cpiogz)
 191         $(call Image/mkfs/ext2)
 192         $(call Image/mkfs/iso)
 193         $(call Image/mkfs/ubifs)
 194         $(call Image/Checksum)
 195 endif
 196
 197 ifneq ($(IB),1)
 198   clean: clean-targets
 199         $(call Build/Clean)
 200 else
 201   clean:
 202 endif
 203
 204 compile-targets:
 205 install-targets:
 206 clean-targets:
 207 endef
 208
 209