# # lwk/arch/x86_64/boot/compressed/Makefile # # create a compressed vmlwk image from the original vmlwk # # Note all the files here are compiled/linked as 32bit executables. # targets := vmlwk vmlwk.bin vmlwk.bin.gz head.o misc.o piggy.o EXTRA_AFLAGS := -traditional # cannot use EXTRA_CFLAGS because base CFLAGS contains -mkernel which conflicts with # -m32 CFLAGS := -m64 -D__KERNEL__ -Iinclude -O2 -fno-strict-aliasing -fPIC -mcmodel=small -fno-builtin LDFLAGS := -m elf_x86_64 LDFLAGS_vmlwk := -T $(obj)/vmlwk: $(src)/vmlwk.lds $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE $(call if_changed,ld) @: $(obj)/vmlwk.bin: vmlwk FORCE $(call if_changed,objcopy) $(obj)/vmlwk.bin.gz: $(obj)/vmlwk.bin FORCE $(call if_changed,gzip) LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T $(obj)/piggy.o: $(obj)/vmlwk.scr $(obj)/vmlwk.bin.gz FORCE $(call if_changed,ld)