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