diff options
Diffstat (limited to 'arch/x86/boot/compressed/Makefile')
-rw-r--r-- | arch/x86/boot/compressed/Makefile | 63 |
1 files changed, 61 insertions, 2 deletions
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile index 52c1db85452..d2b9f3bb87c 100644 --- a/arch/x86/boot/compressed/Makefile +++ b/arch/x86/boot/compressed/Makefile | |||
@@ -1,5 +1,64 @@ | |||
1 | # | ||
2 | # linux/arch/x86/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_$(BITS).o misc.o piggy.o | ||
8 | |||
9 | KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 | ||
10 | KBUILD_CFLAGS += -fno-strict-aliasing -fPIC | ||
11 | cflags-$(CONFIG_X86_64) := -mcmodel=small | ||
12 | KBUILD_CFLAGS += $(cflags-y) | ||
13 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) | ||
14 | KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) | ||
15 | |||
16 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ | ||
17 | |||
18 | LDFLAGS := -m elf_$(UTS_MACHINE) | ||
19 | LDFLAGS_vmlinux := -T | ||
20 | |||
21 | $(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE | ||
22 | $(call if_changed,ld) | ||
23 | @: | ||
24 | |||
25 | OBJCOPYFLAGS_vmlinux.bin := -O binary -R .note -R .comment -S | ||
26 | $(obj)/vmlinux.bin: vmlinux FORCE | ||
27 | $(call if_changed,objcopy) | ||
28 | |||
29 | |||
1 | ifeq ($(CONFIG_X86_32),y) | 30 | ifeq ($(CONFIG_X86_32),y) |
2 | include ${srctree}/arch/x86/boot/compressed/Makefile_32 | 31 | targets += vmlinux.bin.all vmlinux.relocs |
32 | hostprogs-y := relocs | ||
33 | |||
34 | quiet_cmd_relocs = RELOCS $@ | ||
35 | cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< | ||
36 | $(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE | ||
37 | $(call if_changed,relocs) | ||
38 | |||
39 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | ||
40 | vmlinux.bin.all-$(CONFIG_RELOCATABLE) += $(obj)/vmlinux.relocs | ||
41 | quiet_cmd_relocbin = BUILD $@ | ||
42 | cmd_relocbin = cat $(filter-out FORCE,$^) > $@ | ||
43 | $(obj)/vmlinux.bin.all: $(vmlinux.bin.all-y) FORCE | ||
44 | $(call if_changed,relocbin) | ||
45 | |||
46 | ifdef CONFIG_RELOCATABLE | ||
47 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE | ||
48 | $(call if_changed,gzip) | ||
3 | else | 49 | else |
4 | include ${srctree}/arch/x86/boot/compressed/Makefile_64 | 50 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE |
51 | $(call if_changed,gzip) | ||
5 | endif | 52 | endif |
53 | LDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T | ||
54 | |||
55 | else | ||
56 | $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE | ||
57 | $(call if_changed,gzip) | ||
58 | |||
59 | LDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T | ||
60 | endif | ||
61 | |||
62 | |||
63 | $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.gz FORCE | ||
64 | $(call if_changed,ld) | ||