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