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
  22 SQUASHFS_OPTS :=  -le
  23 else
  24 JFFS2OPTS     :=  --pad --big-endian --squash
  25 SQUASHFS_OPTS :=  -be
  26 endif
  27
  28 JFFS2OPTS+= $(if $(CONFIG_KERNEL_JFFS2_RTIME)$(LINUX_2_4),-X,-x) rtime
  29 JFFS2OPTS+= $(if $(CONFIG_KERNEL_JFFS2_ZLIB),-X,-x) zlib
  30 JFFS2OPTS+= $(if $(CONFIG_KERNEL_JFFS2_LZMA)$(LINUX_2_4),-X,-x) lzma
  31 JFFS2OPTS+= $(JFFS2COMPR) --compression-mode=size
  32
  33 ifneq ($(CONFIG_LINUX_2_4)$(CONFIG_LINUX_2_6_25),)
  34 USE_SQUASHFS3 := y
  35 endif
  36
  37 ifneq ($(USE_SQUASHFS3),)
  38 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs-lzma
  39 else
  40 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
  41 SQUASHFS_OPTS  := -comp lzma -processors 1
  42 endif
  43
  44 JFFS2_BLOCKSIZE ?= 64k 128k
  45
  46 define add_jffs2_mark
  47         echo -ne '\xde\xad\xc0\xde' >> $(1)
  48 endef
  49
  50 # pad to 4k, 8k, 64k, 128k and add jffs2 end-of-filesystem mark
  51 define prepare_generic_squashfs
  52         dd if=$(1) of=$(KDIR)/tmpfile.0 bs=4k conv=sync
  53         $(call add_jffs2_mark,$(KDIR)/tmpfile.0)
  54         dd if=$(KDIR)/tmpfile.0 of=$(KDIR)/tmpfile.1 bs=4k conv=sync
  55         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  56         dd if=$(KDIR)/tmpfile.1 of=$(KDIR)/tmpfile.2 bs=64k conv=sync
  57         $(call add_jffs2_mark,$(KDIR)/tmpfile.2)
  58         dd if=$(KDIR)/tmpfile.2 of=$(1) bs=64k conv=sync
  59         $(call add_jffs2_mark,$(1))
  60         rm -f $(KDIR)/tmpfile.*
  61 endef
  62
  63 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  64   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  65     define Image/mkfs/jffs2/sub
  66                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  67                 $(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 '/^.+$$$$/'
  68                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  69                 $(call Image/Build,jffs2-$(1))
  70     endef
  71     define Image/mkfs/jffs2
  72                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  73     endef
  74   endif
  75
  76   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  77     define Image/mkfs/squashfs
  78                 @mkdir -p $(TARGET_DIR)/overlay
  79                 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  80                 $(call Image/Build,squashfs)
  81     endef
  82   endif
  83
  84   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  85     define Image/mkfs/tgz
  86                 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tgz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
  87     endef
  88   endif
  89
  90   ifeq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),y)
  91     define Image/mkfs/cpiogz
  92                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
  93     endef
  94   endif
  95   ifeq ($(CONFIG_TARGET_ROOTFS_UBIFS),y)
  96     define Image/mkfs/ubifs
  97                 $(CP) ./ubinize.cfg $(KDIR)
  98                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
  99                 (cd $(KDIR); \
 100                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
 101                 $(call Image/Build,ubi)
 102     endef
 103   endif
 104 else
 105   define Image/BuildKernel
 106         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
 107         $(call Image/Build/Initramfs)
 108   endef
 109 endif
 110
 111 define Image/Checksum
 112         ( cd ${BIN_DIR} ; \
 113                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 114                 md5sum --binary > md5sums \
 115         )
 116 endef
 117
 118
 119 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
 120   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
 121
 122   define Image/mkfs/ext2
 123                 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
 124                 $(call Image/Build,ext2)
 125   endef
 126 endif
 127
 128 ifeq ($(CONFIG_TARGET_ROOTFS_ISO),y)
 129   define Image/mkfs/iso
 130                 $(call Image/Build,iso)
 131   endef
 132 endif
 133
 134
 135 define Image/mkfs/prepare/default
 136         - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
 137         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
 138         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
 139         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 140         chmod 0777 $(TARGET_DIR)/tmp
 141 endef
 142
 143 define Image/mkfs/prepare
 144         $(call Image/mkfs/prepare/default)
 145 endef
 146
 147 define BuildImage
 148 download:
 149 prepare:
 150 ifneq ($(IB),1)
 151   compile: compile-targets FORCE
 152         $(call Build/Compile)
 153 else
 154   compile:
 155 endif
 156
 157 ifneq ($(IB),1)
 158   install: compile install-targets FORCE
 159         $(call Image/Prepare)
 160         $(call Image/mkfs/prepare)
 161         $(call Image/BuildKernel)
 162         $(call Image/mkfs/jffs2)
 163         $(call Image/mkfs/squashfs)
 164         $(call Image/mkfs/tgz)
 165         $(call Image/mkfs/cpiogz)
 166         $(call Image/mkfs/ext2)
 167         $(call Image/mkfs/iso)
 168         $(call Image/mkfs/ubifs)
 169         $(call Image/Checksum)
 170 else
 171   install: compile install-targets
 172         $(call Image/BuildKernel)
 173         $(call Image/mkfs/jffs2)
 174         $(call Image/mkfs/squashfs)
 175         $(call Image/mkfs/tgz)
 176         $(call Image/mkfs/cpiogz)
 177         $(call Image/mkfs/ext2)
 178         $(call Image/mkfs/iso)
 179         $(call Image/mkfs/ubifs)
 180         $(call Image/Checksum)
 181 endif
 182
 183 ifneq ($(IB),1)
 184   clean: clean-targets
 185         $(call Build/Clean)
 186 else
 187   clean:
 188 endif
 189
 190 compile-targets:
 191 install-targets:
 192 clean-targets:
 193 endef
 194
 195