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) | |
8b3b005d | 16 | KBUILD_CFLAGS += -mno-mmx -mno-sse |
db569afa SR |
17 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) |
18 | KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) | |
19 | ||
20 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ | |
7bf99fb6 | 21 | GCOV_PROFILE := n |
db569afa SR |
22 | |
23 | LDFLAGS := -m elf_$(UTS_MACHINE) | |
24 | LDFLAGS_vmlinux := -T | |
25 | ||
02a884c0 | 26 | hostprogs-y := mkpiggy |
12871c56 | 27 | HOST_EXTRACFLAGS += -I$(srctree)/tools/include |
02a884c0 | 28 | |
9a1cb471 | 29 | vmlinux-objs-y := $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \ |
291f3632 | 30 | $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \ |
9e6abd2a JT |
31 | $(obj)/piggy.o $(obj)/cpuflags.o |
32 | ||
33 | vmlinux-objs-$(CONFIG_RANDOMIZE_BASE) += $(obj)/aslr.o | |
291f3632 | 34 | |
9dead5bb | 35 | $(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone |
9dead5bb | 36 | |
9a1cb471 JT |
37 | vmlinux-objs-$(CONFIG_EFI_STUB) += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o \ |
38 | $(objtree)/drivers/firmware/efi/libstub/lib.a | |
291f3632 | 39 | |
9a1cb471 | 40 | $(obj)/vmlinux: $(vmlinux-objs-y) FORCE |
db569afa SR |
41 | $(call if_changed,ld) |
42 | @: | |
43 | ||
099e1377 | 44 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S |
db569afa SR |
45 | $(obj)/vmlinux.bin: vmlinux FORCE |
46 | $(call if_changed,objcopy) | |
47 | ||
9a1cb471 | 48 | targets += $(patsubst $(obj)/%,%,$(vmlinux-objs-y)) vmlinux.bin.all vmlinux.relocs |
db569afa | 49 | |
6520fe55 | 50 | CMD_RELOCS = arch/x86/tools/relocs |
db569afa | 51 | quiet_cmd_relocs = RELOCS $@ |
6520fe55 PA |
52 | cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $< |
53 | $(obj)/vmlinux.relocs: vmlinux FORCE | |
db569afa SR |
54 | $(call if_changed,relocs) |
55 | ||
56 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | |
5f11e020 | 57 | vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs |
db569afa | 58 | |
5f11e020 | 59 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
db569afa | 60 | $(call if_changed,gzip) |
5f11e020 | 61 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 62 | $(call if_changed,bzip2) |
5f11e020 | 63 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 64 | $(call if_changed,lzma) |
30314804 LC |
65 | $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE |
66 | $(call if_changed,xzkern) | |
13510997 AT |
67 | $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE |
68 | $(call if_changed,lzo) | |
f9b493ac KL |
69 | $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE |
70 | $(call if_changed,lz4) | |
db569afa | 71 | |
283ab1c0 PA |
72 | suffix-$(CONFIG_KERNEL_GZIP) := gz |
73 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 | |
74 | suffix-$(CONFIG_KERNEL_LZMA) := lzma | |
30314804 | 75 | suffix-$(CONFIG_KERNEL_XZ) := xz |
13510997 | 76 | suffix-$(CONFIG_KERNEL_LZO) := lzo |
f9b493ac | 77 | suffix-$(CONFIG_KERNEL_LZ4) := lz4 |
ae03c499 | 78 | |
02a884c0 PA |
79 | quiet_cmd_mkpiggy = MKPIGGY $@ |
80 | cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) | |
81 | ||
82 | targets += piggy.S | |
83 | $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE | |
84 | $(call if_changed,mkpiggy) |