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 $(INCLUDE_DIR)/host.mk
  12
  13 override MAKEFLAGS=
  14 override MAKE:=$(SUBMAKE)
  15 KDIR=$(KERNEL_BUILD_DIR)
  16
  17 ifneq ($(CONFIG_BIG_ENDIAN),y)
  18 JFFS2OPTS     :=  --pad --little-endian --squash
  19 SQUASHFS_OPTS :=  -le
  20 else
  21 JFFS2OPTS     :=  --pad --big-endian --squash
  22 SQUASHFS_OPTS :=  -be
  23 endif
  24
  25 JFFS2_BLOCKSIZE ?= 64k 128k
  26
  27 define add_jffs2_mark
  28         echo -ne '\xde\xad\xc0\xde' >> $(1)
  29 endef
  30
  31 # pad to 64k and add jffs2 end-of-filesystem mark
  32 # do this twice to make sure that this works with 128k blocksize as well
  33 define prepare_generic_squashfs
  34         dd if=$(1) of=$(KDIR)/tmpfile.1 bs=64k conv=sync
  35         $(call add_jffs2_mark,$(KDIR)/tmpfile.1)
  36         dd of=$(1) if=$(KDIR)/tmpfile.1 bs=64k conv=sync
  37         $(call add_jffs2_mark,$(1))
  38 endef
  39
  40 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  41   ifeq ($(CONFIG_TARGET_ROOTFS_JFFS2),y)
  42     define Image/mkfs/jffs2/sub
  43                 # FIXME: removing this line will cause strange behaviour in the foreach loop below
  44                 $(STAGING_DIR_HOST)/bin/mkfs.jffs2 $(JFFS2OPTS) -e $(patsubst %k,%KiB,$(1)) -o $(KDIR)/root.jffs2-$(1) -d $(TARGET_DIR)
  45                 $(call add_jffs2_mark,$(KDIR)/root.jffs2-$(1))
  46                 $(call Image/Build,jffs2-$(1))
  47     endef
  48     define Image/mkfs/jffs2
  49                 rm -rf $(TARGET_DIR)/jffs
  50                 $(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/mkfs/jffs2/sub,$(SZ)))
  51     endef
  52   endif
  53
  54   ifeq ($(CONFIG_TARGET_ROOTFS_SQUASHFS),y)
  55     define Image/mkfs/squashfs
  56                 @mkdir -p $(TARGET_DIR)/jffs
  57                 $(STAGING_DIR_HOST)/bin/mksquashfs-lzma $(TARGET_DIR) $(KDIR)/root.squashfs -nopad -noappend -root-owned $(SQUASHFS_OPTS)
  58                 $(call Image/Build,squashfs)
  59     endef
  60   endif
  61
  62   ifeq ($(CONFIG_TARGET_ROOTFS_TGZ),y)
  63     define Image/mkfs/tgz
  64                 $(TAR) -zcf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-rootfs.tgz --owner=root --group=root -C $(TARGET_DIR)/ .
  65     endef
  66   endif
  67 else
  68   define Image/BuildKernel
  69         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/openwrt-$(BOARD)-$(KERNEL)-vmlinux.elf
  70         $(call Image/Build/Initramfs)
  71   endef
  72 endif
  73
  74
  75 ifeq ($(CONFIG_TARGET_ROOTFS_EXT2FS),y)
  76   E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_FSPART)*1024)))
  77
  78   define Image/mkfs/ext2
  79                 $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -I $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext2
  80                 $(call Image/Build,ext2)
  81   endef
  82 endif
  83
  84
  85 define Image/mkfs/prepare/default
  86         find $(TARGET_DIR) -type f -not -perm +0100 -not -name 'ssh_host*' | $(XARGS) chmod 0644
  87         find $(TARGET_DIR) -type f -perm +0100 | $(XARGS) chmod 0755
  88         find $(TARGET_DIR) -type d | $(XARGS) chmod 0755
  89         $(INSTALL_DIR) $(TARGET_DIR)/tmp
  90         chmod 0777 $(TARGET_DIR)/tmp
  91 endef
  92
  93 define Image/mkfs/prepare
  94         $(call Image/mkfs/prepare/default)
  95 endef
  96
  97 define BuildImage
  98 download:
  99 prepare:
 100 ifneq ($(IB),1)
 101   compile: compile-targets FORCE
 102         $(call Build/Compile)
 103 else
 104   compile:
 105 endif
 106
 107 ifneq ($(IB),1)
 108   install: compile install-targets FORCE
 109         $(call Image/Prepare)
 110         $(call Image/mkfs/prepare)
 111         $(call Image/BuildKernel)
 112         $(call Image/mkfs/jffs2)
 113         $(call Image/mkfs/squashfs)
 114         $(call Image/mkfs/tgz)
 115         $(call Image/mkfs/ext2)
 116 else
 117   install: compile install-targets
 118         $(call Image/BuildKernel)
 119         $(call Image/mkfs/jffs2)
 120         $(call Image/mkfs/squashfs)
 121         $(call Image/mkfs/tgz)
 122         $(call Image/mkfs/ext2)
 123 endif
 124
 125 ifneq ($(IB),1)
 126   clean: clean-targets
 127         $(call Build/Clean)
 128 else
 129   clean:
 130 endif
 131
 132 compile-targets:
 133 install-targets:
 134 clean-targets:
 135 endef
 136
 137