arch/xtensa/boot/ramdisk/Makefile

   1 #
   2 # Makefile for a ramdisk image
   3 #
   4
   5 BIG_ENDIAN      := $(shell echo -e "\#ifdef __XTENSA_EL__\nint little;\n\#else\nint big;\n\#endif" | $(CC) -E -|grep -c big)
   6
   7 ifeq ($(BIG_ENDIAN),1)
   8 OBJCOPY_ARGS    := -O elf32-xtensa-be
   9 else
  10 OBJCOPY_ARGS    := -O elf32-xtensa-le
  11 endif
  12
  13 obj-y = ramdisk.o
  14
  15 RAMDISK_IMAGE = arch/$(ARCH)/boot/ramdisk/$(CONFIG_EMBEDDED_RAMDISK_IMAGE)
  16
  17 arch/$(ARCH)/boot/ramdisk/ramdisk.o:
  18         $(Q)echo -e "dummy:" | $(AS) -o $@;
  19         $(Q)$(OBJCOPY) $(OBJCOPY_ARGS)                                      \
  20                 --add-section .initrd=$(RAMDISK_IMAGE)                      \
  21                 --set-section-flags .initrd=contents,alloc,load,load,data   \
  22                 arch/$(ARCH)/boot/ramdisk/ramdisk.o $@
  23