Commit | Line | Data |
---|---|---|
db569afa SR |
1 | # |
2 | # linux/arch/x86/boot/compressed/Makefile | |
3 | # | |
4 | # create a compressed vmlinux image from the original vmlinux | |
5 | # | |
6 | ||
ae03c499 | 7 | targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma head_$(BITS).o misc.o piggy.o |
db569afa SR |
8 | |
9 | KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 | |
10 | KBUILD_CFLAGS += -fno-strict-aliasing -fPIC | |
95a38f34 | 11 | KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
db569afa SR |
12 | cflags-$(CONFIG_X86_64) := -mcmodel=small |
13 | KBUILD_CFLAGS += $(cflags-y) | |
14 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) | |
15 | KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) | |
16 | ||
17 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ | |
18 | ||
19 | LDFLAGS := -m elf_$(UTS_MACHINE) | |
20 | LDFLAGS_vmlinux := -T | |
21 | ||
51b26ada | 22 | $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE |
db569afa SR |
23 | $(call if_changed,ld) |
24 | @: | |
25 | ||
099e1377 | 26 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S |
db569afa SR |
27 | $(obj)/vmlinux.bin: vmlinux FORCE |
28 | $(call if_changed,objcopy) | |
29 | ||
30 | ||
7f16a339 | 31 | targets += vmlinux.bin.all vmlinux.relocs relocs |
5f11e020 | 32 | hostprogs-$(CONFIG_X86_NEED_RELOCS) += relocs |
db569afa SR |
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 := $(obj)/vmlinux.bin | |
5f11e020 | 40 | vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs |
db569afa | 41 | |
5f11e020 | 42 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
db569afa | 43 | $(call if_changed,gzip) |
5f11e020 | 44 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 45 | $(call if_changed,bzip2) |
5f11e020 | 46 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 47 | $(call if_changed,lzma) |
db569afa | 48 | |
283ab1c0 PA |
49 | suffix-$(CONFIG_KERNEL_GZIP) := gz |
50 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 | |
51 | suffix-$(CONFIG_KERNEL_LZMA) := lzma | |
ae03c499 | 52 | |
5f11e020 | 53 | LDFLAGS_piggy.o := -r --format binary --oformat $(CONFIG_OUTPUT_FORMAT) -T |
283ab1c0 | 54 | $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE |
db569afa | 55 | $(call if_changed,ld) |