2 # linux/arch/x86_64/boot/compressed/Makefile
4 # create a compressed vmlinux image from the original vmlinux
6 # Note all the files here are compiled/linked as 32bit executables.
9 targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
11 CFLAGS := -m64 -D__KERNEL__ $(LINUXINCLUDE) -O2 \
12 -fno-strict-aliasing -fPIC -mcmodel=small \
13 $(call cc-option, -ffreestanding) \
14 $(call cc-option, -fno-stack-protector)
15 AFLAGS := $(CFLAGS) -D__ASSEMBLY__
16 LDFLAGS := -m elf_x86_64
19 $(obj)/vmlinux: $(src)/vmlinux.lds $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE
23 $(obj)/vmlinux.bin: vmlinux FORCE
24 $(call if_changed,objcopy)
26 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
27 $(call if_changed,gzip)
29 LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T
31 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE