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 include $(INCLUDE_DIR)/prereq.mk
   9 include $(INCLUDE_DIR)/kernel.mk
  10 KDIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
  11
  12 ifneq ($(CONFIG_BIG_ENDIAN),y)
  13 JFFS2OPTS     :=  --pad --little-endian --squash
  14 SQUASHFS_OPTS :=  -le
  15 else
  16 JFFS2OPTS     :=  --pad --big-endian --squash
  17 SQUASHFS_OPTS :=  -be
  18 endif
  19
  20 define add_jffs2_mark
  21         echo -ne '\xde\xad\xc0\xde' >> $(1)
  22 endef
  23
  24 # pad to 64k and add jffs2 end-of-filesystem mark
  25 # do this twice to make sure that this works with 128k blocksize as well
  26 define prepare_generic_squashfs
  27         dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
  28         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  29         dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
  30         $(call add_jffs2_mark,$(1))
  31 endef
  32
  33 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  34   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  35     define Image/mkfs/jffs2
  36                 rm -rf $(BUILD_DIR)/root/jffs
  37
  38                 $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x10000 -o $(KDIR)/root.jffs2-64k -d $(BUILD_DIR)/root
  39                 $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e 0x20000 -o $(KDIR)/root.jffs2-128k -d $(BUILD_DIR)/root
  40
  41
  42                 # add End-of-Filesystem markers
  43                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-64k)
  44                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-128k)
  45
  46                 $(call Image/Build,jffs2-64k)
  47                 $(call Image/Build,jffs2-128k)
  48     endef
  49   endif
  50
  51   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  52     define Image/mkfs/squashfs
  53                 @mkdir -p $(BUILD_DIR)/root/jffs
  54                 $(STAGING_DIR)/bin/mksquashfs-lzma $(BUILD_DIR)/root $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  55                 $(call Image/Build,squashfs)
  56     endef
  57   endif
  58
  59   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  60     define Image/mkfs/tgz
  61                 tar -zcf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tgz --owner=root --group=root -C $(BUILD_DIR)/root/ .
  62     endef
  63   endif
  64
  65
  66 endif
  67
  68
  69 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
  70   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
  71
  72   define Image/mkfs/ext2
  73                 $(STAGING_DIR)/bin/genext2fs -U -b $(E2SIZE) -I $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(BUILD_DIR)/root/ $(KDIR)/root.ext2
  74                 $(call Image/Build,ext2)
  75   endef
  76 endif
  77
  78
  79 define Image/mkfs/prepare/default
  80         find $(BUILD_DIR)/root -type f -not -perm +0100 -not -name 'ssh_host*' | xargs chmod 0644
  81         find $(BUILD_DIR)/root -type f -perm +0100 | xargs chmod 0755
  82         find $(BUILD_DIR)/root -type d | xargs chmod 0755
  83         mkdir -p $(BUILD_DIR)/root/tmp
  84         chmod 0777 $(BUILD_DIR)/root/tmp
  85 endef
  86
  87 define Image/mkfs/prepare
  88         $(call Image/mkfs/prepare/default)
  89 endef
  90
  91 define BuildImage
  92 download:
  93 prepare:
  94 ifneq ($(IB),1)
  95   compile: compile-targets
  96         $(call Build/Compile)
  97 else
  98   compile:
  99 endif
 100
 101 ifneq ($(IB),1)
 102   install: compile install-targets
 103         $(call Image/Prepare)
 104         $(call Image/mkfs/prepare)
 105         $(call Image/BuildKernel)
 106         $(call Image/mkfs/jffs2)
 107         $(call Image/mkfs/squashfs)
 108         $(call Image/mkfs/tgz)
 109         $(call Image/mkfs/ext2)
 110 else
 111   install: compile install-targets
 112         $(call Image/BuildKernel)
 113         $(call Image/mkfs/jffs2)
 114         $(call Image/mkfs/squashfs)
 115         $(call Image/mkfs/tgz)
 116         $(call Image/mkfs/ext2)
 117 endif
 118
 119 ifneq ($(IB),1)
 120   clean: clean-targets
 121         $(call Build/Clean)
 122 else
 123   clean:
 124 endif
 125
 126 compile-targets:
 127 install-targets:
 128 clean-targets:
 129 endef
 130
 131