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 7*30314804SLasse Collintargets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo head_$(BITS).o misc.o string.o cmdline.o early_serial_console.o piggy.o 8db569afaSSam Ravnborg 9db569afaSSam RavnborgKBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 10db569afaSSam RavnborgKBUILD_CFLAGS += -fno-strict-aliasing -fPIC 1195a38f34SH. Peter AnvinKBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 1217a2a9b5SH. Peter Anvincflags-$(CONFIG_X86_32) := -march=i386 13db569afaSSam Ravnborgcflags-$(CONFIG_X86_64) := -mcmodel=small 14db569afaSSam RavnborgKBUILD_CFLAGS += $(cflags-y) 15db569afaSSam RavnborgKBUILD_CFLAGS += $(call cc-option,-ffreestanding) 16db569afaSSam RavnborgKBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 17db569afaSSam Ravnborg 18db569afaSSam RavnborgKBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ 197bf99fb6SPeter OberparleiterGCOV_PROFILE := n 20db569afaSSam Ravnborg 21db569afaSSam RavnborgLDFLAGS := -m elf_$(UTS_MACHINE) 22db569afaSSam RavnborgLDFLAGS_vmlinux := -T 23db569afaSSam Ravnborg 2402a884c0SH. Peter Anvinhostprogs-y := mkpiggy 2502a884c0SH. Peter Anvin 268fee13a4SYinghai Lu$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o $(obj)/piggy.o FORCE 27db569afaSSam Ravnborg $(call if_changed,ld) 28db569afaSSam Ravnborg @: 29db569afaSSam Ravnborg 30099e1377SIan CampbellOBJCOPYFLAGS_vmlinux.bin := -R .comment -S 31db569afaSSam Ravnborg$(obj)/vmlinux.bin: vmlinux FORCE 32db569afaSSam Ravnborg $(call if_changed,objcopy) 33db569afaSSam Ravnborg 34db569afaSSam Ravnborg 357f16a339SH. Peter Anvintargets += vmlinux.bin.all vmlinux.relocs relocs 365f11e020SH. Peter Anvinhostprogs-$(CONFIG_X86_NEED_RELOCS) += relocs 37db569afaSSam Ravnborg 38db569afaSSam Ravnborgquiet_cmd_relocs = RELOCS $@ 39db569afaSSam Ravnborg cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< 40db569afaSSam Ravnborg$(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE 41db569afaSSam Ravnborg $(call if_changed,relocs) 42db569afaSSam Ravnborg 43db569afaSSam Ravnborgvmlinux.bin.all-y := $(obj)/vmlinux.bin 445f11e020SH. Peter Anvinvmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs 45db569afaSSam Ravnborg 465f11e020SH. Peter Anvin$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE 47db569afaSSam Ravnborg $(call if_changed,gzip) 485f11e020SH. Peter Anvin$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE 49ae03c499SAlain Knaff $(call if_changed,bzip2) 505f11e020SH. Peter Anvin$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE 51ae03c499SAlain Knaff $(call if_changed,lzma) 52*30314804SLasse Collin$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE 53*30314804SLasse Collin $(call if_changed,xzkern) 5413510997SAlbin Tonnerre$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE 5513510997SAlbin Tonnerre $(call if_changed,lzo) 56db569afaSSam Ravnborg 57283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_GZIP) := gz 58283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_BZIP2) := bz2 59283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_LZMA) := lzma 60*30314804SLasse Collinsuffix-$(CONFIG_KERNEL_XZ) := xz 6113510997SAlbin Tonnerresuffix-$(CONFIG_KERNEL_LZO) := lzo 62ae03c499SAlain Knaff 6302a884c0SH. Peter Anvinquiet_cmd_mkpiggy = MKPIGGY $@ 6402a884c0SH. Peter Anvin cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) 6502a884c0SH. Peter Anvin 6602a884c0SH. Peter Anvintargets += piggy.S 6702a884c0SH. Peter Anvin$(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE 6802a884c0SH. Peter Anvin $(call if_changed,mkpiggy) 69