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gerrit-public.fairphone.software / kernel / msm-4.9 / 91397401bb5072f71e8ce8744ad0bdec3e875a91 / . / arch / x86 / boot / compressed / Makefile
blob: 0fcd9133790c566423b313fccef95a0768bd0d07 [file] [log] [blame]
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]1#
2# linux/arch/x86/boot/compressed/Makefile
3#
4# create a compressed vmlinux image from the original vmlinux
5#
6
Kyungsik Leef9b493a2013-07-08 16:01:48 -0700[diff] [blame]7targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
8 vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]9
10KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
11KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
H. Peter Anvin95a38f32009-04-01 17:35:00 -0700[diff] [blame]12KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
H. Peter Anvin17a2a9b2009-12-25 15:40:38 -0800[diff] [blame]13cflags-$(CONFIG_X86_32) := -march=i386
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]14cflags-$(CONFIG_X86_64) := -mcmodel=small
15KBUILD_CFLAGS += $(cflags-y)
H. Peter Anvin8b3b0052013-12-09 15:43:38 -0800[diff] [blame]16KBUILD_CFLAGS += -mno-mmx -mno-sse
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]17KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
18KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
19
20KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
Peter Oberparleiter7bf99fb2009-06-17 16:28:09 -0700[diff] [blame]21GCOV_PROFILE := n
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]22
23LDFLAGS := -m elf_$(UTS_MACHINE)
24LDFLAGS_vmlinux := -T
25
H. Peter Anvin02a884c2009-05-08 17:42:16 -0700[diff] [blame]26hostprogs-y := mkpiggy
Matt Fleming12871c52012-02-28 13:37:22 +0000[diff] [blame]27HOST_EXTRACFLAGS += -I$(srctree)/tools/include
H. Peter Anvin02a884c2009-05-08 17:42:16 -0700[diff] [blame]28
Matt Fleming291f3632011-12-12 21:27:52 +0000[diff] [blame]29VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
30 $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \
Kees Cook8ab38202013-10-10 17:18:14 -0700[diff] [blame]31 $(obj)/piggy.o $(obj)/cpuflags.o $(obj)/aslr.o
Matt Fleming291f3632011-12-12 21:27:52 +0000[diff] [blame]32
Matthew Garrett9dead5b2012-07-26 18:00:00 -0400[diff] [blame]33$(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone
Matthew Garrett9dead5b2012-07-26 18:00:00 -0400[diff] [blame]34
Matt Fleming291f3632011-12-12 21:27:52 +0000[diff] [blame]35ifeq ($(CONFIG_EFI_STUB), y)
36 VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o
37endif
38
39$(obj)/vmlinux: $(VMLINUX_OBJS) FORCE
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]40 $(call if_changed,ld)
41 @:
42
Ian Campbell099e1372008-02-13 20:54:58 +0000[diff] [blame]43OBJCOPYFLAGS_vmlinux.bin := -R .comment -S
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]44$(obj)/vmlinux.bin: vmlinux FORCE
45 $(call if_changed,objcopy)
46
Jan Beulich91870822013-04-03 15:47:33 +0100[diff] [blame]47targets += $(patsubst $(obj)/%,%,$(VMLINUX_OBJS)) vmlinux.bin.all vmlinux.relocs
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]48
H. Peter Anvin6520fe52012-05-08 21:22:24 +0300[diff] [blame]49CMD_RELOCS = arch/x86/tools/relocs
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]50quiet_cmd_relocs = RELOCS $@
H. Peter Anvin6520fe52012-05-08 21:22:24 +0300[diff] [blame]51 cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $<
52$(obj)/vmlinux.relocs: vmlinux FORCE
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]53 $(call if_changed,relocs)
54
55vmlinux.bin.all-y := $(obj)/vmlinux.bin
H. Peter Anvin5f11e022009-05-05 22:53:11 -0700[diff] [blame]56vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]57
H. Peter Anvin5f11e022009-05-05 22:53:11 -0700[diff] [blame]58$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]59 $(call if_changed,gzip)
H. Peter Anvin5f11e022009-05-05 22:53:11 -0700[diff] [blame]60$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
Alain Knaffae03c492009-01-04 22:46:17 +0100[diff] [blame]61 $(call if_changed,bzip2)
H. Peter Anvin5f11e022009-05-05 22:53:11 -0700[diff] [blame]62$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
Alain Knaffae03c492009-01-04 22:46:17 +0100[diff] [blame]63 $(call if_changed,lzma)
Lasse Collin30314802011-01-12 17:01:24 -0800[diff] [blame]64$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
65 $(call if_changed,xzkern)
Albin Tonnerre13510992010-01-08 14:42:45 -0800[diff] [blame]66$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
67 $(call if_changed,lzo)
Kyungsik Leef9b493a2013-07-08 16:01:48 -0700[diff] [blame]68$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE
69 $(call if_changed,lz4)
Sam Ravnborgdb569af2008-01-30 13:32:30 +0100[diff] [blame]70
H. Peter Anvin283ab1c2009-05-08 15:32:47 -0700[diff] [blame]71suffix-$(CONFIG_KERNEL_GZIP) := gz
72suffix-$(CONFIG_KERNEL_BZIP2) := bz2
73suffix-$(CONFIG_KERNEL_LZMA) := lzma
Lasse Collin30314802011-01-12 17:01:24 -0800[diff] [blame]74suffix-$(CONFIG_KERNEL_XZ) := xz
Albin Tonnerre13510992010-01-08 14:42:45 -0800[diff] [blame]75suffix-$(CONFIG_KERNEL_LZO) := lzo
Kyungsik Leef9b493a2013-07-08 16:01:48 -0700[diff] [blame]76suffix-$(CONFIG_KERNEL_LZ4) := lz4
Alain Knaffae03c492009-01-04 22:46:17 +0100[diff] [blame]77
H. Peter Anvin02a884c2009-05-08 17:42:16 -0700[diff] [blame]78quiet_cmd_mkpiggy = MKPIGGY $@
79 cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false )
80
81targets += piggy.S
82$(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE
83 $(call if_changed,mkpiggy)