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 | |
c0dd6716 JP |
19 | KASAN_SANITIZE := n |
20 | OBJECT_FILES_NON_STANDARD := y | |
ef7f0d6a | 21 | |
5c9a8750 DV |
22 | # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. |
23 | KCOV_INSTRUMENT := n | |
24 | ||
f9b493ac KL |
25 | targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \ |
26 | vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 | |
db569afa SR |
27 | |
28 | KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 | |
29 | KBUILD_CFLAGS += -fno-strict-aliasing -fPIC | |
95a38f34 | 30 | KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING |
17a2a9b5 | 31 | cflags-$(CONFIG_X86_32) := -march=i386 |
db569afa SR |
32 | cflags-$(CONFIG_X86_64) := -mcmodel=small |
33 | KBUILD_CFLAGS += $(cflags-y) | |
8b3b005d | 34 | KBUILD_CFLAGS += -mno-mmx -mno-sse |
db569afa SR |
35 | KBUILD_CFLAGS += $(call cc-option,-ffreestanding) |
36 | KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) | |
37 | ||
38 | KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ | |
7bf99fb6 | 39 | GCOV_PROFILE := n |
c6d30853 | 40 | UBSAN_SANITIZE :=n |
db569afa SR |
41 | |
42 | LDFLAGS := -m elf_$(UTS_MACHINE) | |
43 | LDFLAGS_vmlinux := -T | |
44 | ||
02a884c0 | 45 | hostprogs-y := mkpiggy |
12871c56 | 46 | HOST_EXTRACFLAGS += -I$(srctree)/tools/include |
02a884c0 | 47 | |
9a1cb471 | 48 | vmlinux-objs-y := $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \ |
3afed06a | 49 | $(obj)/string.o $(obj)/cmdline.o \ |
9e6abd2a JT |
50 | $(obj)/piggy.o $(obj)/cpuflags.o |
51 | ||
3afed06a | 52 | vmlinux-objs-$(CONFIG_EARLY_PRINTK) += $(obj)/early_serial_console.o |
9e6abd2a | 53 | vmlinux-objs-$(CONFIG_RANDOMIZE_BASE) += $(obj)/aslr.o |
291f3632 | 54 | |
9dead5bb | 55 | $(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone |
9dead5bb | 56 | |
243b6754 AB |
57 | vmlinux-objs-$(CONFIG_EFI_STUB) += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o \ |
58 | $(objtree)/drivers/firmware/efi/libstub/lib.a | |
96738c69 | 59 | vmlinux-objs-$(CONFIG_EFI_MIXED) += $(obj)/efi_thunk_$(BITS).o |
291f3632 | 60 | |
9a1cb471 | 61 | $(obj)/vmlinux: $(vmlinux-objs-y) FORCE |
db569afa | 62 | $(call if_changed,ld) |
db569afa | 63 | |
099e1377 | 64 | OBJCOPYFLAGS_vmlinux.bin := -R .comment -S |
db569afa SR |
65 | $(obj)/vmlinux.bin: vmlinux FORCE |
66 | $(call if_changed,objcopy) | |
67 | ||
9a1cb471 | 68 | targets += $(patsubst $(obj)/%,%,$(vmlinux-objs-y)) vmlinux.bin.all vmlinux.relocs |
db569afa | 69 | |
6520fe55 | 70 | CMD_RELOCS = arch/x86/tools/relocs |
db569afa | 71 | quiet_cmd_relocs = RELOCS $@ |
6520fe55 PA |
72 | cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $< |
73 | $(obj)/vmlinux.relocs: vmlinux FORCE | |
db569afa SR |
74 | $(call if_changed,relocs) |
75 | ||
76 | vmlinux.bin.all-y := $(obj)/vmlinux.bin | |
5f11e020 | 77 | vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs |
db569afa | 78 | |
5f11e020 | 79 | $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE |
db569afa | 80 | $(call if_changed,gzip) |
5f11e020 | 81 | $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 82 | $(call if_changed,bzip2) |
5f11e020 | 83 | $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE |
ae03c499 | 84 | $(call if_changed,lzma) |
30314804 LC |
85 | $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE |
86 | $(call if_changed,xzkern) | |
13510997 AT |
87 | $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE |
88 | $(call if_changed,lzo) | |
f9b493ac KL |
89 | $(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE |
90 | $(call if_changed,lz4) | |
db569afa | 91 | |
283ab1c0 PA |
92 | suffix-$(CONFIG_KERNEL_GZIP) := gz |
93 | suffix-$(CONFIG_KERNEL_BZIP2) := bz2 | |
94 | suffix-$(CONFIG_KERNEL_LZMA) := lzma | |
30314804 | 95 | suffix-$(CONFIG_KERNEL_XZ) := xz |
13510997 | 96 | suffix-$(CONFIG_KERNEL_LZO) := lzo |
f9b493ac | 97 | suffix-$(CONFIG_KERNEL_LZ4) := lz4 |
ae03c499 | 98 | |
e2e68ae6 | 99 | RUN_SIZE = $(shell $(OBJDUMP) -h vmlinux | \ |
d69911a6 | 100 | $(CONFIG_SHELL) $(srctree)/arch/x86/tools/calc_run_size.sh) |
02a884c0 | 101 | quiet_cmd_mkpiggy = MKPIGGY $@ |
e6023367 | 102 | cmd_mkpiggy = $(obj)/mkpiggy $< $(RUN_SIZE) > $@ || ( rm -f $@ ; false ) |
02a884c0 PA |
103 | |
104 | targets += piggy.S | |
105 | $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE | |
106 | $(call if_changed,mkpiggy) |