24 lines
634 B
Makefile
24 lines
634 B
Makefile
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#
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# Makefile for a ramdisk image
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#
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BIG_ENDIAN := $(shell echo -e "\#ifdef __XTENSA_EL__\nint little;\n\#else\nint big;\n\#endif" | $(CC) -E -|grep -c big)
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ifeq ($(BIG_ENDIAN),1)
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OBJCOPY_ARGS := -O elf32-xtensa-be
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else
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OBJCOPY_ARGS := -O elf32-xtensa-le
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endif
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obj-y = ramdisk.o
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RAMDISK_IMAGE = arch/$(ARCH)/boot/ramdisk/$(CONFIG_EMBEDDED_RAMDISK_IMAGE)
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arch/$(ARCH)/boot/ramdisk/ramdisk.o:
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$(Q)echo -e "dummy:" | $(AS) -o $@;
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$(Q)$(OBJCOPY) $(OBJCOPY_ARGS) \
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--add-section .initrd=$(RAMDISK_IMAGE) \
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--set-section-flags .initrd=contents,alloc,load,load,data \
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arch/$(ARCH)/boot/ramdisk/ramdisk.o $@
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