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 | ||
02a884c0 PA |
22 | hostprogs-y := mkpiggy |
23 | ||
51b26ada | 24 | $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE |
db569afa SR |
25 | $(call if_changed,ld) |
26 | @: | |
27 | ||
099e1377 | 28 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S |
db569afa SR |
29 | $(obj)/vmlinux.bin: vmlinux FORCE |
30 | $(call if_changed,objcopy) | |
31 | ||
32 | ||
7f16a339 | 33 | targets += vmlinux.bin.all vmlinux.relocs relocs |
5f11e020 | 34 | hostprogs-$(CONFIG_X86_NEED_RELOCS) += relocs |
db569afa SR |
35 | |
36 | quiet_cmd_relocs = RELOCS $@ | |
37 | cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< | |
38 | $(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE | |
39 | $(call if_changed,relocs) | |
40 | ||
41 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | |
5f11e020 | 42 | vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs |
db569afa | 43 | |
5f11e020 | 44 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
db569afa | 45 | $(call if_changed,gzip) |
5f11e020 | 46 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 47 | $(call if_changed,bzip2) |
5f11e020 | 48 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 49 | $(call if_changed,lzma) |
db569afa | 50 | |
283ab1c0 PA |
51 | suffix-$(CONFIG_KERNEL_GZIP) := gz |
52 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 | |
53 | suffix-$(CONFIG_KERNEL_LZMA) := lzma | |
ae03c499 | 54 | |
02a884c0 PA |
55 | quiet_cmd_mkpiggy = MKPIGGY $@ |
56 | cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) | |
57 | ||
58 | targets += piggy.S | |
59 | $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE | |
60 | $(call if_changed,mkpiggy) |