33 lines
916 B
Makefile
33 lines
916 B
Makefile
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#
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# linux/arch/x86_64/boot/compressed/Makefile
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#
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# create a compressed vmlinux image from the original vmlinux
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#
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# Note all the files here are compiled/linked as 32bit executables.
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#
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targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
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EXTRA_AFLAGS := -traditional -m32
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# cannot use EXTRA_CFLAGS because base CFLAGS contains -mkernel which conflicts with
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# -m32
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CFLAGS := -m32 -D__KERNEL__ -Iinclude -O2 -fno-strict-aliasing
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LDFLAGS := -m elf_i386
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LDFLAGS_vmlinux := -Ttext $(IMAGE_OFFSET) -e startup_32 -m elf_i386
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$(obj)/vmlinux: $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE
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$(call if_changed,ld)
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@:
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$(obj)/vmlinux.bin: vmlinux FORCE
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$(call if_changed,objcopy)
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$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
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$(call if_changed,gzip)
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LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
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$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
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$(call if_changed,ld)
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