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 7ae03c499SAlain Knafftargets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma head_$(BITS).o misc.o piggy.o 8db569afaSSam Ravnborg 9db569afaSSam RavnborgKBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 10db569afaSSam RavnborgKBUILD_CFLAGS += -fno-strict-aliasing -fPIC 1195a38f34SH. Peter AnvinKBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 12db569afaSSam Ravnborgcflags-$(CONFIG_X86_64) := -mcmodel=small 13db569afaSSam RavnborgKBUILD_CFLAGS += $(cflags-y) 14db569afaSSam RavnborgKBUILD_CFLAGS += $(call cc-option,-ffreestanding) 15db569afaSSam RavnborgKBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 16db569afaSSam Ravnborg 17db569afaSSam RavnborgKBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ 18db569afaSSam Ravnborg 19db569afaSSam RavnborgLDFLAGS := -m elf_$(UTS_MACHINE) 20db569afaSSam RavnborgLDFLAGS_vmlinux := -T 21db569afaSSam Ravnborg 2251b26adaSLinus Torvalds$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE 23db569afaSSam Ravnborg $(call if_changed,ld) 24db569afaSSam Ravnborg @: 25db569afaSSam Ravnborg 26099e1377SIan CampbellOBJCOPYFLAGS_vmlinux.bin := -R .comment -S 27db569afaSSam Ravnborg$(obj)/vmlinux.bin: vmlinux FORCE 28db569afaSSam Ravnborg $(call if_changed,objcopy) 29db569afaSSam Ravnborg 30db569afaSSam Ravnborg 317f16a339SH. Peter Anvintargets += vmlinux.bin.all vmlinux.relocs relocs 325f11e020SH. Peter Anvinhostprogs-$(CONFIG_X86_NEED_RELOCS) += relocs 33db569afaSSam Ravnborg 34db569afaSSam Ravnborgquiet_cmd_relocs = RELOCS $@ 35db569afaSSam Ravnborg cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< 36db569afaSSam Ravnborg$(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE 37db569afaSSam Ravnborg $(call if_changed,relocs) 38db569afaSSam Ravnborg 39db569afaSSam Ravnborgvmlinux.bin.all-y := $(obj)/vmlinux.bin 405f11e020SH. Peter Anvinvmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs 41db569afaSSam Ravnborg 425f11e020SH. Peter Anvin$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE 43db569afaSSam Ravnborg $(call if_changed,gzip) 445f11e020SH. Peter Anvin$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE 45ae03c499SAlain Knaff $(call if_changed,bzip2) 465f11e020SH. Peter Anvin$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE 47ae03c499SAlain Knaff $(call if_changed,lzma) 48db569afaSSam Ravnborg 49283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_GZIP) := gz 50283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_BZIP2) := bz2 51283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_LZMA) := lzma 52ae03c499SAlain Knaff 535f11e020SH. Peter AnvinLDFLAGS_piggy.o := -r --format binary --oformat $(CONFIG_OUTPUT_FORMAT) -T 54283ab1c0SH. Peter Anvin$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE 55db569afaSSam Ravnborg $(call if_changed,ld) 56