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 | ||
f9b493ac KL |
7 | targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \ |
8 | vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 | |
db569afa SR |
9 | |
10 | KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 | |
11 | KBUILD_CFLAGS += -fno-strict-aliasing -fPIC | |
95a38f34 | 12 | KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
17a2a9b5 | 13 | cflags-$(CONFIG_X86_32) := -march=i386 |
db569afa SR |
14 | cflags-$(CONFIG_X86_64) := -mcmodel=small |
15 | KBUILD_CFLAGS += $(cflags-y) | |
16 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) | |
17 | KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) | |
18 | ||
19 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ | |
7bf99fb6 | 20 | GCOV_PROFILE := n |
db569afa SR |
21 | |
22 | LDFLAGS := -m elf_$(UTS_MACHINE) | |
23 | LDFLAGS_vmlinux := -T | |
24 | ||
02a884c0 | 25 | hostprogs-y := mkpiggy |
12871c56 | 26 | HOST_EXTRACFLAGS += -I$(srctree)/tools/include |
02a884c0 | 27 | |
291f3632 MF |
28 | VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \ |
29 | $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \ | |
30 | $(obj)/piggy.o | |
31 | ||
9dead5bb | 32 | $(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone |
9dead5bb | 33 | |
291f3632 MF |
34 | ifeq ($(CONFIG_EFI_STUB), y) |
35 | VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o | |
36 | endif | |
37 | ||
38 | $(obj)/vmlinux: $(VMLINUX_OBJS) FORCE | |
db569afa SR |
39 | $(call if_changed,ld) |
40 | @: | |
41 | ||
099e1377 | 42 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S |
db569afa SR |
43 | $(obj)/vmlinux.bin: vmlinux FORCE |
44 | $(call if_changed,objcopy) | |
45 | ||
91870824 | 46 | targets += $(patsubst $(obj)/%,%,$(VMLINUX_OBJS)) vmlinux.bin.all vmlinux.relocs |
db569afa | 47 | |
6520fe55 | 48 | CMD_RELOCS = arch/x86/tools/relocs |
db569afa | 49 | quiet_cmd_relocs = RELOCS $@ |
6520fe55 PA |
50 | cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $< |
51 | $(obj)/vmlinux.relocs: vmlinux FORCE | |
db569afa SR |
52 | $(call if_changed,relocs) |
53 | ||
54 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | |
5f11e020 | 55 | vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs |
db569afa | 56 | |
5f11e020 | 57 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
db569afa | 58 | $(call if_changed,gzip) |
5f11e020 | 59 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 60 | $(call if_changed,bzip2) |
5f11e020 | 61 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 62 | $(call if_changed,lzma) |
30314804 LC |
63 | $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE |
64 | $(call if_changed,xzkern) | |
13510997 AT |
65 | $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE |
66 | $(call if_changed,lzo) | |
f9b493ac KL |
67 | $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE |
68 | $(call if_changed,lz4) | |
db569afa | 69 | |
283ab1c0 PA |
70 | suffix-$(CONFIG_KERNEL_GZIP) := gz |
71 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 | |
72 | suffix-$(CONFIG_KERNEL_LZMA) := lzma | |
30314804 | 73 | suffix-$(CONFIG_KERNEL_XZ) := xz |
13510997 | 74 | suffix-$(CONFIG_KERNEL_LZO) := lzo |
f9b493ac | 75 | suffix-$(CONFIG_KERNEL_LZ4) := lz4 |
ae03c499 | 76 | |
02a884c0 PA |
77 | quiet_cmd_mkpiggy = MKPIGGY $@ |
78 | cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) | |
79 | ||
80 | targets += piggy.S | |
81 | $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE | |
82 | $(call if_changed,mkpiggy) |