target/linux/malta/image/Makefile

   1 #
   2 # Copyright (C) 2010 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 $(INCLUDE_DIR)/image.mk
   9
  10 define get_kernel_entry
  11 0x$(shell $(TARGET_CROSS)nm $(1) 2>/dev/null | grep " kernel_entry" | cut -f1 -d ' ')
  12 endef
  13
  14 define CompressLzma
  15   $(STAGING_DIR_HOST)/bin/lzma e $(1) -lc1 -lp2 -pb2 $(2)
  16 endef
  17
  18 define CompressGzip
  19         gzip -9 -c $(1) > $(2)
  20 endef
  21
  22 define MkuImage
  23         mkimage -A mips -O linux -T kernel -a 0x80100000 -C $(1) $(2) \
  24                 -e $(call get_kernel_entry,$(KDIR)/vmlinux.debug) -n 'MIPS OpenWrt Linux-$(LINUX_VERSION)' \
  25                 -d $(3) $(4)
  26 endef
  27
  28 define Image/BuildKernel
  29         cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.elf
  30         $(call CompressLzma,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.lzma)
  31         $(call MkuImage,lzma,,$(KDIR)/vmlinux.bin.lzma,$(BIN_DIR)/$(IMG_PREFIX)-uImage-lzma)
  32         $(call CompressGzip,$(KDIR)/vmlinux,$(KDIR)/vmlinux.bin.gz)
  33         $(call MkuImage,gzip,,$(KDIR)/vmlinux.bin.gz,$(BIN_DIR)/$(IMG_PREFIX)-uImage-gzip)
  34 endef
  35
  36 define Image/Build/squashfs
  37     $(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
  38 endef
  39
  40 define Image/Build
  41         $(call Image/Build/$(1))
  42         dd if=$(KDIR)/root.$(1) of=$(BIN_DIR)/$(IMG_PREFIX)-root.$(1) bs=128k conv=sync
  43 endef
  44
  45 $(eval $(call BuildImage))