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 include $(INCLUDE_DIR)/host.mk
  11
  12 override MAKEFLAGS=
  13 override MAKE:=$(SUBMAKE)
  14 KDIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
  15
  16 ifneq ($(CONFIG_BIG_ENDIAN),y)
  17 JFFS2OPTS     :=  --pad --little-endian --squash
  18 SQUASHFS_OPTS :=  -le
  19 else
  20 JFFS2OPTS     :=  --pad --big-endian --squash
  21 SQUASHFS_OPTS :=  -be
  22 endif
  23
  24 JFFS2_BLOCKSIZE ?= 64k 128k
  25
  26 define add_jffs2_mark
  27         echo -ne '\xde\xad\xc0\xde' >> $(1)
  28 endef
  29
  30 # pad to 64k and add jffs2 end-of-filesystem mark
  31 # do this twice to make sure that this works with 128k blocksize as well
  32 define prepare_generic_squashfs
  33         dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
  34         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  35         dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
  36         $(call add_jffs2_mark,$(1))
  37 endef
  38
  39 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  40   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  41     define Image/mkfs/jffs2/sub
  42                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  43                 $(STAGING_DIR)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(BUILD_DIR)/root
  44                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  45                 $(call Image/Build,jffs2-$(1))
  46     endef
  47     define Image/mkfs/jffs2
  48                 rm -rf $(BUILD_DIR)/root/jffs
  49                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  50     endef
  51   endif
  52
  53   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  54     define Image/mkfs/squashfs
  55                 @mkdir -p $(BUILD_DIR)/root/jffs
  56                 $(STAGING_DIR)/bin/mksquashfs-lzma $(BUILD_DIR)/root $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  57                 $(call Image/Build,squashfs)
  58     endef
  59   endif
  60
  61   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  62     define Image/mkfs/tgz
  63                 $(TAR) -zcf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tgz --owner=root --group=root -C $(BUILD_DIR)/root/ .
  64     endef
  65   endif
  66 else
  67   define Image/BuildKernel
  68         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux.elf
  69         $(call Image/Build/Initramfs)
  70   endef
  71 endif
  72
  73
  74 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
  75   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
  76
  77   define Image/mkfs/ext2
  78                 $(STAGING_DIR)/bin/genext2fs -U -b $(E2SIZE) -I $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(BUILD_DIR)/root/ $(KDIR)/root.ext2
  79                 $(call Image/Build,ext2)
  80   endef
  81 endif
  82
  83
  84 define Image/mkfs/prepare/default
  85         find $(BUILD_DIR)/root -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
  86         find $(BUILD_DIR)/root -type f -perm +0100 | $(XARGS) chmod 0755
  87         find $(BUILD_DIR)/root -type d | $(XARGS) chmod 0755
  88         mkdir -p $(BUILD_DIR)/root/tmp
  89         chmod 0777 $(BUILD_DIR)/root/tmp
  90 endef
  91
  92 define Image/mkfs/prepare
  93         $(call Image/mkfs/prepare/default)
  94 endef
  95
  96 define BuildImage
  97 download:
  98 prepare:
  99 ifneq ($(IB),1)
 100   compile: compile-targets FORCE
 101         $(call Build/Compile)
 102 else
 103   compile:
 104 endif
 105
 106 ifneq ($(IB),1)
 107   install: compile install-targets FORCE
 108         $(call Image/Prepare)
 109         $(call Image/mkfs/prepare)
 110         $(call Image/BuildKernel)
 111         $(call Image/mkfs/jffs2)
 112         $(call Image/mkfs/squashfs)
 113         $(call Image/mkfs/tgz)
 114         $(call Image/mkfs/ext2)
 115 else
 116   install: compile install-targets
 117         $(call Image/BuildKernel)
 118         $(call Image/mkfs/jffs2)
 119         $(call Image/mkfs/squashfs)
 120         $(call Image/mkfs/tgz)
 121         $(call Image/mkfs/ext2)
 122 endif
 123
 124 ifneq ($(IB),1)
 125   clean: clean-targets
 126         $(call Build/Clean)
 127 else
 128   clean:
 129 endif
 130
 131 compile-targets:
 132 install-targets:
 133 clean-targets:
 134 endef
 135
 136