arch/x86_64/boot/compressed/Makefile

   1 #
   2 # linux/arch/x86_64/boot/compressed/Makefile
   3 #
   4 # create a compressed vmlinux image from the original vmlinux
   5 #
   6
   7 targets         := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o
   8
   9 CFLAGS := -m64 -D__KERNEL__ $(LINUXINCLUDE) -O2  \
  10           -fno-strict-aliasing -fPIC -mcmodel=small \
  11            $(call cc-option, -ffreestanding) \
  12            $(call cc-option, -fno-stack-protector)
  13 AFLAGS  := $(CFLAGS) -D__ASSEMBLY__
  14 LDFLAGS := -m elf_x86_64
  15
  16 LDFLAGS_vmlinux := -T
  17 $(obj)/vmlinux: $(src)/vmlinux.lds $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE
  18         $(call if_changed,ld)
  19         @:
  20
  21 $(obj)/vmlinux.bin: vmlinux FORCE
  22         $(call if_changed,objcopy)
  23
  24 $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
  25         $(call if_changed,gzip)
  26
  27 LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T
  28
  29 $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
  30         $(call if_changed,ld)