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 ($(CONFIG_BIG_ENDIAN),)
  21   JFFS2OPTS     :=  --pad --big-endian --squash -v
  22   SQUASHFS_OPTS :=  -be
  23 else
  24   JFFS2OPTS     :=  --pad --little-endian --squash -v
  25   SQUASHFS_OPTS :=  -le
  26 endif
  27
  28 ifneq ($(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 $(KDIR)/tmpfile.*
  56 endef
  57
  58
  59 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
  60
  61   define Image/BuildKernel
  62                 cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
  63                 $(call Image/Build/Initramfs)
  64   endef
  65
  66 else
  67
  68   ifneq ($(CONFIG_TARGET_ROOTFS_JFFS2),)
  69     define Image/mkfs/jffs2/sub
  70                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  71                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR)
  72                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  73                 $(call Image/Build,jffs2-$(1))
  74     endef
  75     define Image/mkfs/jffs2
  76                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  77     endef
  78   endif
  79
  80   ifneq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),)
  81     define Image/mkfs/squashfs
  82                 @mkdir -p $(TARGET_DIR)/overlay
  83                 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  84                 $(call Image/Build,squashfs)
  85     endef
  86   endif
  87
  88   ifneq ($(CONFIG_TARGET_ROOTFS_UBIFS),)
  89     define Image/mkfs/ubifs
  90                 $(CP) ./ubinize.cfg $(KDIR)
  91                 $(STAGING_DIR_HOST)/bin/mkfs.ubifs $(UBIFS_OPTS) -o $(KDIR)/root.ubifs -d $(TARGET_DIR)
  92                 (cd $(KDIR); \
  93                 $(STAGING_DIR_HOST)/bin/ubinize $(UBINIZE_OPTS) -o $(KDIR)/root.ubi ubinize.cfg)
  94                 $(call Image/Build,ubi)
  95     endef
  96   endif
  97
  98 endif
  99
 100 ifneq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),)
 101   define Image/mkfs/cpiogz
 102                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/$(IMG_PREFIX)-rootfs.cpio.gz )
 103   endef
 104 endif
 105
 106 ifneq ($(CONFIG_TARGET_ROOTFS_TARGZ),)
 107   define Image/mkfs/targz
 108                 $(TAR) -zcf $(BIN_DIR)/$(IMG_PREFIX)-rootfs.tar.gz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
 109   endef
 110 endif
 111
 112 ifneq ($(CONFIG_TARGET_ROOTFS_EXT2FS),)
 113   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024)))
 114
 115   define Image/mkfs/ext2
 116                 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
 117                 $(call Image/Build,ext2)
 118   endef
 119 endif
 120
 121 ifneq ($(CONFIG_TARGET_ROOTFS_ISO),)
 122   define Image/mkfs/iso
 123                 $(call Image/Build,iso)
 124   endef
 125 endif
 126
 127
 128 define Image/mkfs/prepare/default
 129         - $(FIND) $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' -print0 | $(XARGS) -0 chmod 0644
 130         - $(FIND) $(TARGET_DIR) -type f -perm +0100 -print0 | $(XARGS) -0 chmod 0755
 131         - $(FIND) $(TARGET_DIR) -type d -print0 | $(XARGS) -0 chmod 0755
 132         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 133         chmod 0777 $(TARGET_DIR)/tmp
 134 endef
 135
 136 define Image/mkfs/prepare
 137         $(call Image/mkfs/prepare/default)
 138 endef
 139
 140
 141 define Image/Checksum
 142         ( cd ${BIN_DIR} ; \
 143                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | sort | xargs \
 144                 md5sum --binary > md5sums \
 145         )
 146 endef
 147
 148
 149 define BuildImage
 150
 151   download:
 152   prepare:
 153
 154   ifeq ($(IB),)
 155     compile: compile-targets FORCE
 156                 $(call Build/Compile)
 157   else
 158     compile:
 159   endif
 160
 161   ifeq ($(IB),)
 162     install: compile install-targets FORCE
 163                 $(call Image/Prepare)
 164                 $(call Image/mkfs/prepare)
 165                 $(call Image/BuildKernel)
 166                 $(call Image/mkfs/cpiogz)
 167                 $(call Image/mkfs/targz)
 168                 $(call Image/mkfs/ext2)
 169                 $(call Image/mkfs/iso)
 170                 $(call Image/mkfs/jffs2)
 171                 $(call Image/mkfs/squashfs)
 172                 $(call Image/mkfs/ubifs)
 173                 $(call Image/Checksum)
 174   else
 175     install: compile install-targets
 176                 $(call Image/BuildKernel)
 177                 $(call Image/mkfs/cpiogz)
 178                 $(call Image/mkfs/targz)
 179                 $(call Image/mkfs/ext2)
 180                 $(call Image/mkfs/iso)
 181                 $(call Image/mkfs/jffs2)
 182                 $(call Image/mkfs/squashfs)
 183                 $(call Image/mkfs/ubifs)
 184                 $(call Image/Checksum)
 185   endif
 186
 187   ifeq ($(IB),)
 188     clean: clean-targets
 189                 $(call Build/Clean)
 190   else
 191     clean:
 192   endif
 193
 194   compile-targets:
 195   install-targets:
 196   clean-targets:
 197
 198 endef