1#
2# linux/arch/i386/boot/compressed/Makefile
3#
4# create a compressed vmlinux image from the original vmlinux
5#
6
7targets		:= vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o \
8			vmlinux.bin.all vmlinux.relocs
9EXTRA_AFLAGS	:= -traditional
10
11LDFLAGS_vmlinux := -T
12CFLAGS_misc.o += -fPIC
13hostprogs-y	:= relocs
14
15$(obj)/vmlinux: $(src)/vmlinux.lds $(obj)/head.o $(obj)/misc.o $(obj)/piggy.o FORCE
16	$(call if_changed,ld)
17	@:
18
19$(obj)/vmlinux.bin: vmlinux FORCE
20	$(call if_changed,objcopy)
21
22quiet_cmd_relocs = RELOCS  $@
23      cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $<
24$(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE
25	$(call if_changed,relocs)
26
27vmlinux.bin.all-y := $(obj)/vmlinux.bin
28vmlinux.bin.all-$(CONFIG_RELOCATABLE) += $(obj)/vmlinux.relocs
29quiet_cmd_relocbin = BUILD   $@
30      cmd_relocbin = cat $(filter-out FORCE,$^) > $@
31$(obj)/vmlinux.bin.all: $(vmlinux.bin.all-y) FORCE
32	$(call if_changed,relocbin)
33
34ifdef CONFIG_RELOCATABLE
35$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE
36	$(call if_changed,gzip)
37else
38$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
39	$(call if_changed,gzip)
40endif
41
42LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T
43
44$(obj)/piggy.o: $(src)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE
45	$(call if_changed,ld)
46