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 | ||
30314804 | 7 | targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo head_$(BITS).o misc.o string.o cmdline.o early_serial_console.o piggy.o |
db569afa SR |
8 | |
9 | KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 | |
10 | KBUILD_CFLAGS += -fno-strict-aliasing -fPIC | |
95a38f34 | 11 | KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
17a2a9b5 | 12 | cflags-$(CONFIG_X86_32) := -march=i386 |
db569afa SR |
13 | cflags-$(CONFIG_X86_64) := -mcmodel=small |
14 | KBUILD_CFLAGS += $(cflags-y) | |
15 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) | |
16 | KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) | |
17 | ||
18 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ | |
7bf99fb6 | 19 | GCOV_PROFILE := n |
db569afa SR |
20 | |
21 | LDFLAGS := -m elf_$(UTS_MACHINE) | |
22 | LDFLAGS_vmlinux := -T | |
23 | ||
02a884c0 PA |
24 | hostprogs-y := mkpiggy |
25 | ||
291f3632 MF |
26 | VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \ |
27 | $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \ | |
28 | $(obj)/piggy.o | |
29 | ||
30 | ifeq ($(CONFIG_EFI_STUB), y) | |
31 | VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o | |
32 | endif | |
33 | ||
34 | $(obj)/vmlinux: $(VMLINUX_OBJS) FORCE | |
db569afa SR |
35 | $(call if_changed,ld) |
36 | @: | |
37 | ||
099e1377 | 38 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S |
db569afa SR |
39 | $(obj)/vmlinux.bin: vmlinux FORCE |
40 | $(call if_changed,objcopy) | |
41 | ||
42 | ||
7f16a339 | 43 | targets += vmlinux.bin.all vmlinux.relocs relocs |
5f11e020 | 44 | hostprogs-$(CONFIG_X86_NEED_RELOCS) += relocs |
db569afa SR |
45 | |
46 | quiet_cmd_relocs = RELOCS $@ | |
47 | cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< | |
48 | $(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE | |
49 | $(call if_changed,relocs) | |
50 | ||
51 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | |
5f11e020 | 52 | vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs |
db569afa | 53 | |
5f11e020 | 54 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
db569afa | 55 | $(call if_changed,gzip) |
5f11e020 | 56 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 57 | $(call if_changed,bzip2) |
5f11e020 | 58 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 59 | $(call if_changed,lzma) |
30314804 LC |
60 | $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE |
61 | $(call if_changed,xzkern) | |
13510997 AT |
62 | $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE |
63 | $(call if_changed,lzo) | |
db569afa | 64 | |
283ab1c0 PA |
65 | suffix-$(CONFIG_KERNEL_GZIP) := gz |
66 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 | |
67 | suffix-$(CONFIG_KERNEL_LZMA) := lzma | |
30314804 | 68 | suffix-$(CONFIG_KERNEL_XZ) := xz |
13510997 | 69 | suffix-$(CONFIG_KERNEL_LZO) := lzo |
ae03c499 | 70 | |
02a884c0 PA |
71 | quiet_cmd_mkpiggy = MKPIGGY $@ |
72 | cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) | |
73 | ||
74 | targets += piggy.S | |
75 | $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE | |
76 | $(call if_changed,mkpiggy) |