target/linux/olpc/image/Makefile

   1 #
   2 # Copyright (C) 2007-2008 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 include $(TOPDIR)/rules.mk
   8 include $(INCLUDE_DIR)/image.mk
   9
  10 export PATH=$(TARGET_PATH):/sbin
  11 ROOTPART=$(strip $(subst ",, $(CONFIG_OLPC_BOOTSCRIPT_ROOTPART)))
  12 #"))")) # fix vim's broken syntax highlighting
  13
  14 ROOTDELAY=5
  15
  16 ifeq ($(CONFIG_OLPC_BOOTSCRIPT_IMAGES),y)
  17   define Image/cmdline/squashfs
  18     block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=squashfs init=/etc/preinit rootdelay=$(ROOTDELAY)
  19   endef
  20
  21   define Image/cmdline/jffs2-64k
  22     block2mtd.block2mtd=$(ROOTPART),65536,rootfs root=/dev/mtdblock0 rootfstype=jffs2 init=/etc/preinit rootdelay=$(ROOTDELAY)
  23   endef
  24
  25   define Image/cmdline/jffs2-128k
  26     block2mtd.block2mtd=$(ROOTPART),131072,rootfs root=/dev/mtdblock0 rootfstype=jffs2 init=/etc/preinit rootdelay=$(ROOTDELAY)
  27   endef
  28
  29   define Image/cmdline/ext2
  30     root=$(ROOTPART) rootfstype=ext2 init=/etc/preinit
  31   endef
  32
  33   define Image/Build/bootscript
  34         # left here because the image builder doesnt need these
  35         $(INSTALL_DIR) $(KDIR)/root.bootscript/boot
  36         $(CP) $(KDIR)/bzImage $(KDIR)/root.bootscript/boot/vmlinuz
  37         sed -e 's#@CMDLINE@#$(strip $(call Image/cmdline/$(1))) $(BOOTOPTS)#g' \
  38                 ./olpc.fth > $(KDIR)/root.bootscript/boot/olpc.fth
  39         PADDING="$(CONFIG_OLPC_BOOTSCRIPT_IMAGES_PAD)" PATH="$(TARGET_PATH)" ./gen_image.sh $(BIN_DIR)/openwrt-$(BOARD)-$(1).image $(CONFIG_OLPC_BOOTSCRIPT_KERNELPART) $(KDIR)/root.bootscript $(CONFIG_TARGET_ROOTFS_FSPART) $(KDIR)/root.$(1)
  40   endef
  41 endif
  42
  43 define Image/Prepare
  44         cp $(LINUX_DIR)/arch/x86/boot/bzImage $(KDIR)/bzImage
  45         $(call Image/Prepare/bootscript)
  46 endef
  47
  48 define Image/Build/squashfs
  49     $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
  50 endef
  51
  52 define Image/BuildKernel
  53         $(CP) $(KDIR)/bzImage $(BIN_DIR)/openwrt-$(BOARD)-vmlinuz
  54 endef
  55
  56 define Image/Build
  57         $(call Image/Build/$(1))
  58         $(call Image/Build/bootscript,$(1))
  59         $(CP) $(KDIR)/root.$(1) $(BIN_DIR)/openwrt-$(BOARD)-$(1).fs
  60         $(CP) $(KDIR)/bzImage $(BIN_DIR)/openwrt-$(BOARD)-vmlinuz
  61 endef
  62
  63 $(eval $(call BuildImage))
  64