1db569afaSSam Ravnborg# 2db569afaSSam Ravnborg# linux/arch/x86/boot/compressed/Makefile 3db569afaSSam Ravnborg# 4db569afaSSam Ravnborg# create a compressed vmlinux image from the original vmlinux 5db569afaSSam Ravnborg# 6db569afaSSam Ravnborg 7f9b493acSKyungsik Leetargets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \ 8f9b493acSKyungsik Lee vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 9db569afaSSam Ravnborg 10db569afaSSam RavnborgKBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 11db569afaSSam RavnborgKBUILD_CFLAGS += -fno-strict-aliasing -fPIC 1295a38f34SH. Peter AnvinKBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 1317a2a9b5SH. Peter Anvincflags-$(CONFIG_X86_32) := -march=i386 14db569afaSSam Ravnborgcflags-$(CONFIG_X86_64) := -mcmodel=small 15db569afaSSam RavnborgKBUILD_CFLAGS += $(cflags-y) 16db569afaSSam RavnborgKBUILD_CFLAGS += $(call cc-option,-ffreestanding) 17db569afaSSam RavnborgKBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 18db569afaSSam Ravnborg 19db569afaSSam RavnborgKBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ 207bf99fb6SPeter OberparleiterGCOV_PROFILE := n 21db569afaSSam Ravnborg 22db569afaSSam RavnborgLDFLAGS := -m elf_$(UTS_MACHINE) 23db569afaSSam RavnborgLDFLAGS_vmlinux := -T 24db569afaSSam Ravnborg 2502a884c0SH. Peter Anvinhostprogs-y := mkpiggy 2612871c56SMatt FlemingHOST_EXTRACFLAGS += -I$(srctree)/tools/include 2702a884c0SH. Peter Anvin 28291f3632SMatt FlemingVMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \ 29291f3632SMatt Fleming $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \ 30291f3632SMatt Fleming $(obj)/piggy.o 31291f3632SMatt Fleming 329dead5bbSMatthew Garrett$(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone 339dead5bbSMatthew Garrett 34291f3632SMatt Flemingifeq ($(CONFIG_EFI_STUB), y) 35291f3632SMatt Fleming VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o 36291f3632SMatt Flemingendif 37291f3632SMatt Fleming 38291f3632SMatt Fleming$(obj)/vmlinux: $(VMLINUX_OBJS) FORCE 39db569afaSSam Ravnborg $(call if_changed,ld) 40db569afaSSam Ravnborg @: 41db569afaSSam Ravnborg 42099e1377SIan CampbellOBJCOPYFLAGS_vmlinux.bin := -R .comment -S 43db569afaSSam Ravnborg$(obj)/vmlinux.bin: vmlinux FORCE 44db569afaSSam Ravnborg $(call if_changed,objcopy) 45db569afaSSam Ravnborg 4691870824SJan Beulichtargets += $(patsubst $(obj)/%,%,$(VMLINUX_OBJS)) vmlinux.bin.all vmlinux.relocs 47db569afaSSam Ravnborg 486520fe55SH. Peter AnvinCMD_RELOCS = arch/x86/tools/relocs 49db569afaSSam Ravnborgquiet_cmd_relocs = RELOCS $@ 506520fe55SH. Peter Anvin cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $< 516520fe55SH. Peter Anvin$(obj)/vmlinux.relocs: vmlinux FORCE 52db569afaSSam Ravnborg $(call if_changed,relocs) 53db569afaSSam Ravnborg 54db569afaSSam Ravnborgvmlinux.bin.all-y := $(obj)/vmlinux.bin 555f11e020SH. Peter Anvinvmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs 56db569afaSSam Ravnborg 575f11e020SH. Peter Anvin$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE 58db569afaSSam Ravnborg $(call if_changed,gzip) 595f11e020SH. Peter Anvin$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE 60ae03c499SAlain Knaff $(call if_changed,bzip2) 615f11e020SH. Peter Anvin$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE 62ae03c499SAlain Knaff $(call if_changed,lzma) 6330314804SLasse Collin$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE 6430314804SLasse Collin $(call if_changed,xzkern) 6513510997SAlbin Tonnerre$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE 6613510997SAlbin Tonnerre $(call if_changed,lzo) 67f9b493acSKyungsik Lee$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE 68f9b493acSKyungsik Lee $(call if_changed,lz4) 69db569afaSSam Ravnborg 70283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_GZIP) := gz 71283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_BZIP2) := bz2 72283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_LZMA) := lzma 7330314804SLasse Collinsuffix-$(CONFIG_KERNEL_XZ) := xz 7413510997SAlbin Tonnerresuffix-$(CONFIG_KERNEL_LZO) := lzo 75f9b493acSKyungsik Leesuffix-$(CONFIG_KERNEL_LZ4) := lz4 76ae03c499SAlain Knaff 7702a884c0SH. Peter Anvinquiet_cmd_mkpiggy = MKPIGGY $@ 7802a884c0SH. Peter Anvin cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) 7902a884c0SH. Peter Anvin 8002a884c0SH. Peter Anvintargets += piggy.S 8102a884c0SH. Peter Anvin$(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE 8202a884c0SH. Peter Anvin $(call if_changed,mkpiggy) 83