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- #
- # linux/arch/x86/boot/compressed/Makefile
- #
- # create a compressed vmlinux image from the original vmlinux
- #
- targets := vmlinux vmlinux.bin vmlinux.bin.gz head_32.o misc_32.o piggy.o \
- vmlinux.bin.all vmlinux.relocs
- EXTRA_AFLAGS := -traditional
- LDFLAGS_vmlinux := -T
- hostprogs-y := relocs
- KBUILD_CFLAGS := -m32 -D__KERNEL__ $(LINUX_INCLUDE) -O2 \
- -fno-strict-aliasing -fPIC \
- $(call cc-option,-ffreestanding) \
- $(call cc-option,-fno-stack-protector)
- LDFLAGS := -m elf_i386
- $(obj)/vmlinux: $(src)/vmlinux_32.lds $(obj)/head_32.o $(obj)/misc_32.o $(obj)/piggy.o FORCE
- $(call if_changed,ld)
- @:
- $(obj)/vmlinux.bin: vmlinux FORCE
- $(call if_changed,objcopy)
- quiet_cmd_relocs = RELOCS $@
- cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $<
- $(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE
- $(call if_changed,relocs)
- vmlinux.bin.all-y := $(obj)/vmlinux.bin
- vmlinux.bin.all-$(CONFIG_RELOCATABLE) += $(obj)/vmlinux.relocs
- quiet_cmd_relocbin = BUILD $@
- cmd_relocbin = cat $(filter-out FORCE,$^) > $@
- $(obj)/vmlinux.bin.all: $(vmlinux.bin.all-y) FORCE
- $(call if_changed,relocbin)
- ifdef CONFIG_RELOCATABLE
- $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
- $(call if_changed,gzip)
- else
- $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
- $(call if_changed,gzip)
- endif
- LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
- $(obj)/piggy.o: $(src)/vmlinux_32.scr $(obj)/vmlinux.bin.gz FORCE
- $(call if_changed,ld)
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