include/image.mk

   1 #
   2 # Copyright (C) 2006 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=$(KERNEL_BUILD_DIR)
  17
  18 ifneq ($(CONFIG_BIG_ENDIAN),y)
  19 JFFS2OPTS     :=  --pad --little-endian --squash
  20 SQUASHFS_OPTS :=  -le
  21 else
  22 JFFS2OPTS     :=  --pad --big-endian --squash
  23 SQUASHFS_OPTS :=  -be
  24 endif
  25
  26 ifneq ($(CONFIG_LINUX_2_6_29)$(CONFIG_LINUX_2_6_30),)
  27 USE_SQUASHFS4 := y
  28 endif
  29
  30 ifneq ($(USE_SQUASHFS4),)
  31 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs4
  32 SQUASHFS_OPTS  := -lzma
  33 else
  34 MKSQUASHFS_CMD := $(STAGING_DIR_HOST)/bin/mksquashfs-lzma
  35 endif
  36
  37 JFFS2_BLOCKSIZE ?= 64k 128k
  38
  39 define add_jffs2_mark
  40         echo -ne '\xde\xad\xc0\xde' >> $(1)
  41 endef
  42
  43 # pad to 64k and add jffs2 end-of-filesystem mark
  44 # do this twice to make sure that this works with 128k blocksize as well
  45 define prepare_generic_squashfs
  46         dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
  47         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  48         dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
  49         $(call add_jffs2_mark,$(1))
  50 endef
  51
  52 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  53   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  54     define Image/mkfs/jffs2/sub
  55                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  56                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR)
  57                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  58                 $(call Image/Build,jffs2-$(1))
  59     endef
  60     define Image/mkfs/jffs2
  61                 rm -rf $(TARGET_DIR)/jffs
  62                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  63     endef
  64   endif
  65
  66   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  67     define Image/mkfs/squashfs
  68                 @mkdir -p $(TARGET_DIR)/jffs
  69                 $(MKSQUASHFS_CMD) $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  70                 $(call Image/Build,squashfs)
  71     endef
  72   endif
  73
  74   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  75     define Image/mkfs/tgz
  76                 $(TAR) -zcf $(BIN_DIR)/openwrt-$(BOARD)-rootfs.tgz --numeric-owner --owner=0 --group=0 -C $(TARGET_DIR)/ .
  77     endef
  78   endif
  79
  80   ifeq ($(CONFIG_TARGET_ROOTFS_CPIOGZ),y)
  81     define Image/mkfs/cpiogz
  82                 ( cd $(TARGET_DIR); find . | cpio -o -H newc | gzip -9 >$(BIN_DIR)/openwrt-$(BOARD)-rootfs.cpio.gz )
  83     endef
  84   endif
  85 else
  86   define Image/BuildKernel
  87         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-vmlinux.elf
  88         $(call Image/Build/Initramfs)
  89   endef
  90 endif
  91
  92 define Image/Checksum
  93         ( cd ${BIN_DIR} ; \
  94                 $(FIND) -maxdepth 1 -type f \! -name 'md5sums'  -printf "%P\n" | xargs \
  95                 md5sum > md5sums \
  96         )
  97 endef
  98
  99
 100 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
 101   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
 102
 103   define Image/mkfs/ext2
 104                 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
 105                 $(call Image/Build,ext2)
 106   endef
 107 endif
 108
 109 ifeq ($(CONFIG_TARGET_ROOTFS_ISO),y)
 110   define Image/mkfs/iso
 111                 $(call Image/Build,iso)
 112   endef
 113 endif
 114
 115
 116 define Image/mkfs/prepare/default
 117         - find $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
 118         - find $(TARGET_DIR) -type f -perm +0100 | $(XARGS) chmod 0755
 119         - find $(TARGET_DIR) -type d | $(XARGS) chmod 0755
 120         $(INSTALL_DIR) $(TARGET_DIR)/tmp
 121         chmod 0777 $(TARGET_DIR)/tmp
 122 endef
 123
 124 define Image/mkfs/prepare
 125         $(call Image/mkfs/prepare/default)
 126 endef
 127
 128 define BuildImage
 129 download:
 130 prepare:
 131 ifneq ($(IB),1)
 132   compile: compile-targets FORCE
 133         $(call Build/Compile)
 134 else
 135   compile:
 136 endif
 137
 138 ifneq ($(IB),1)
 139   install: compile install-targets FORCE
 140         $(call Image/Prepare)
 141         $(call Image/mkfs/prepare)
 142         $(call Image/BuildKernel)
 143         $(call Image/mkfs/jffs2)
 144         $(call Image/mkfs/squashfs)
 145         $(call Image/mkfs/tgz)
 146         $(call Image/mkfs/cpiogz)
 147         $(call Image/mkfs/ext2)
 148         $(call Image/mkfs/iso)
 149         $(call Image/Checksum)
 150 else
 151   install: compile install-targets
 152         $(call Image/BuildKernel)
 153         $(call Image/mkfs/jffs2)
 154         $(call Image/mkfs/squashfs)
 155         $(call Image/mkfs/tgz)
 156         $(call Image/mkfs/cpiogz)
 157         $(call Image/mkfs/ext2)
 158         $(call Image/mkfs/iso)
 159         $(call Image/Checksum)
 160 endif
 161
 162 ifneq ($(IB),1)
 163   clean: clean-targets
 164         $(call Build/Clean)
 165 else
 166   clean:
 167 endif
 168
 169 compile-targets:
 170 install-targets:
 171 clean-targets:
 172 endef
 173
 174