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 | # | |
fb7183ef KC |
6 | # vmlinuz is: |
7 | # decompression code (*.o) | |
8 | # asm globals (piggy.S), including: | |
9 | # vmlinux.bin.(gz|bz2|lzma|...) | |
10 | # | |
11 | # vmlinux.bin is: | |
12 | # vmlinux stripped of debugging and comments | |
13 | # vmlinux.bin.all is: | |
14 | # vmlinux.bin + vmlinux.relocs | |
15 | # vmlinux.bin.(gz|bz2|lzma|...) is: | |
16 | # (see scripts/Makefile.lib size_append) | |
17 | # compressed vmlinux.bin.all + u32 size of vmlinux.bin.all | |
db569afa | 18 | |
ef7f0d6a AR |
19 | KASAN_SANITIZE := n |
20 | ||
f9b493ac KL |
21 | targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \ |
22 | vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 | |
db569afa SR |
23 | |
24 | KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 | |
25 | KBUILD_CFLAGS += -fno-strict-aliasing -fPIC | |
95a38f34 | 26 | KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
17a2a9b5 | 27 | cflags-$(CONFIG_X86_32) := -march=i386 |
db569afa SR |
28 | cflags-$(CONFIG_X86_64) := -mcmodel=small |
29 | KBUILD_CFLAGS += $(cflags-y) | |
8b3b005d | 30 | KBUILD_CFLAGS += -mno-mmx -mno-sse |
db569afa SR |
31 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) |
32 | KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) | |
33 | ||
34 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ | |
7bf99fb6 | 35 | GCOV_PROFILE := n |
db569afa SR |
36 | |
37 | LDFLAGS := -m elf_$(UTS_MACHINE) | |
38 | LDFLAGS_vmlinux := -T | |
39 | ||
02a884c0 | 40 | hostprogs-y := mkpiggy |
12871c56 | 41 | HOST_EXTRACFLAGS += -I$(srctree)/tools/include |
02a884c0 | 42 | |
9a1cb471 | 43 | vmlinux-objs-y := $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \ |
3afed06a | 44 | $(obj)/string.o $(obj)/cmdline.o \ |
9e6abd2a JT |
45 | $(obj)/piggy.o $(obj)/cpuflags.o |
46 | ||
3afed06a | 47 | vmlinux-objs-$(CONFIG_EARLY_PRINTK) += $(obj)/early_serial_console.o |
9e6abd2a | 48 | vmlinux-objs-$(CONFIG_RANDOMIZE_BASE) += $(obj)/aslr.o |
291f3632 | 49 | |
9dead5bb | 50 | $(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone |
9dead5bb | 51 | |
243b6754 AB |
52 | vmlinux-objs-$(CONFIG_EFI_STUB) += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o \ |
53 | $(objtree)/drivers/firmware/efi/libstub/lib.a | |
291f3632 | 54 | |
9a1cb471 | 55 | $(obj)/vmlinux: $(vmlinux-objs-y) FORCE |
db569afa SR |
56 | $(call if_changed,ld) |
57 | @: | |
58 | ||
099e1377 | 59 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S |
db569afa SR |
60 | $(obj)/vmlinux.bin: vmlinux FORCE |
61 | $(call if_changed,objcopy) | |
62 | ||
9a1cb471 | 63 | targets += $(patsubst $(obj)/%,%,$(vmlinux-objs-y)) vmlinux.bin.all vmlinux.relocs |
db569afa | 64 | |
6520fe55 | 65 | CMD_RELOCS = arch/x86/tools/relocs |
db569afa | 66 | quiet_cmd_relocs = RELOCS $@ |
6520fe55 PA |
67 | cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $< |
68 | $(obj)/vmlinux.relocs: vmlinux FORCE | |
db569afa SR |
69 | $(call if_changed,relocs) |
70 | ||
71 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | |
5f11e020 | 72 | vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs |
db569afa | 73 | |
5f11e020 | 74 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
db569afa | 75 | $(call if_changed,gzip) |
5f11e020 | 76 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 77 | $(call if_changed,bzip2) |
5f11e020 | 78 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 79 | $(call if_changed,lzma) |
30314804 LC |
80 | $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE |
81 | $(call if_changed,xzkern) | |
13510997 AT |
82 | $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE |
83 | $(call if_changed,lzo) | |
f9b493ac KL |
84 | $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE |
85 | $(call if_changed,lz4) | |
db569afa | 86 | |
283ab1c0 PA |
87 | suffix-$(CONFIG_KERNEL_GZIP) := gz |
88 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 | |
89 | suffix-$(CONFIG_KERNEL_LZMA) := lzma | |
30314804 | 90 | suffix-$(CONFIG_KERNEL_XZ) := xz |
13510997 | 91 | suffix-$(CONFIG_KERNEL_LZO) := lzo |
f9b493ac | 92 | suffix-$(CONFIG_KERNEL_LZ4) := lz4 |
ae03c499 | 93 | |
e2e68ae6 | 94 | RUN_SIZE = $(shell $(OBJDUMP) -h vmlinux | \ |
d69911a6 | 95 | $(CONFIG_SHELL) $(srctree)/arch/x86/tools/calc_run_size.sh) |
02a884c0 | 96 | quiet_cmd_mkpiggy = MKPIGGY $@ |
e6023367 | 97 | cmd_mkpiggy = $(obj)/mkpiggy $< $(RUN_SIZE) > $@ || ( rm -f $@ ; false ) |
02a884c0 PA |
98 | |
99 | targets += piggy.S | |
100 | $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE | |
101 | $(call if_changed,mkpiggy) |