1*db569afaSSam Ravnborg# 2*db569afaSSam Ravnborg# linux/arch/x86/boot/compressed/Makefile 3*db569afaSSam Ravnborg# 4*db569afaSSam Ravnborg# create a compressed vmlinux image from the original vmlinux 5*db569afaSSam Ravnborg# 6*db569afaSSam Ravnborg 7*db569afaSSam Ravnborgtargets := vmlinux vmlinux.bin vmlinux.bin.gz head_$(BITS).o misc_$(BITS).o piggy.o 8*db569afaSSam Ravnborg 9*db569afaSSam RavnborgKBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 10*db569afaSSam RavnborgKBUILD_CFLAGS += -fno-strict-aliasing -fPIC 11*db569afaSSam Ravnborgcflags-$(CONFIG_X86_64) := -mcmodel=small 12*db569afaSSam RavnborgKBUILD_CFLAGS += $(cflags-y) 13*db569afaSSam RavnborgKBUILD_CFLAGS += $(call cc-option,-ffreestanding) 14*db569afaSSam RavnborgKBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) 15*db569afaSSam Ravnborg 16*db569afaSSam RavnborgKBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ 17*db569afaSSam Ravnborg 18*db569afaSSam RavnborgLDFLAGS := -m elf_$(UTS_MACHINE) 19*db569afaSSam RavnborgLDFLAGS_vmlinux := -T 20*db569afaSSam Ravnborg 21*db569afaSSam Ravnborg$(obj)/vmlinux: $(src)/vmlinux_$(BITS).lds $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/piggy.o FORCE 22*db569afaSSam Ravnborg $(call if_changed,ld) 23*db569afaSSam Ravnborg @: 24*db569afaSSam Ravnborg 25*db569afaSSam Ravnborg$(obj)/vmlinux.bin: vmlinux FORCE 26*db569afaSSam Ravnborg $(call if_changed,objcopy) 27*db569afaSSam Ravnborg 28*db569afaSSam Ravnborg 290530bf37SThomas Gleixnerifeq ($(CONFIG_X86_32),y) 30*db569afaSSam Ravnborgtargets += vmlinux.bin.all vmlinux.relocs 31*db569afaSSam Ravnborghostprogs-y := relocs 32*db569afaSSam Ravnborg 33*db569afaSSam Ravnborgquiet_cmd_relocs = RELOCS $@ 34*db569afaSSam Ravnborg cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< 35*db569afaSSam Ravnborg$(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE 36*db569afaSSam Ravnborg $(call if_changed,relocs) 37*db569afaSSam Ravnborg 38*db569afaSSam Ravnborgvmlinux.bin.all-y := $(obj)/vmlinux.bin 39*db569afaSSam Ravnborgvmlinux.bin.all-$(CONFIG_RELOCATABLE) += $(obj)/vmlinux.relocs 40*db569afaSSam Ravnborgquiet_cmd_relocbin = BUILD $@ 41*db569afaSSam Ravnborg cmd_relocbin = cat $(filter-out FORCE,$^) > $@ 42*db569afaSSam Ravnborg$(obj)/vmlinux.bin.all: $(vmlinux.bin.all-y) FORCE 43*db569afaSSam Ravnborg $(call if_changed,relocbin) 44*db569afaSSam Ravnborg 45*db569afaSSam Ravnborgifdef CONFIG_RELOCATABLE 46*db569afaSSam Ravnborg$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin.all FORCE 47*db569afaSSam Ravnborg $(call if_changed,gzip) 480530bf37SThomas Gleixnerelse 49*db569afaSSam Ravnborg$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 50*db569afaSSam Ravnborg $(call if_changed,gzip) 510530bf37SThomas Gleixnerendif 52*db569afaSSam RavnborgLDFLAGS_piggy.o := -r --format binary --oformat elf32-i386 -T 53*db569afaSSam Ravnborg 54*db569afaSSam Ravnborgelse 55*db569afaSSam Ravnborg$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE 56*db569afaSSam Ravnborg $(call if_changed,gzip) 57*db569afaSSam Ravnborg 58*db569afaSSam RavnborgLDFLAGS_piggy.o := -r --format binary --oformat elf64-x86-64 -T 59*db569afaSSam Ravnborgendif 60*db569afaSSam Ravnborg 61*db569afaSSam Ravnborg 62*db569afaSSam Ravnborg$(obj)/piggy.o: $(obj)/vmlinux_$(BITS).scr $(obj)/vmlinux.bin.gz FORCE 63*db569afaSSam Ravnborg $(call if_changed,ld) 64