Makefile 634 B

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