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*fc0ce235SJan Beulichtargets := vmlinux.lds 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 := $(KBUILD_CFLAGS) -D__ASSEMBLY__ 187bf99fb6SPeter OberparleiterGCOV_PROFILE := n 19db569afaSSam Ravnborg 20db569afaSSam RavnborgLDFLAGS := -m elf_$(UTS_MACHINE) 21db569afaSSam RavnborgLDFLAGS_vmlinux := -T 22db569afaSSam Ravnborg 2302a884c0SH. Peter Anvinhostprogs-y := mkpiggy 2402a884c0SH. Peter Anvin 2551b26adaSLinus Torvalds$(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/piggy.o FORCE 26db569afaSSam Ravnborg $(call if_changed,ld) 27db569afaSSam Ravnborg @: 28db569afaSSam Ravnborg 29099e1377SIan CampbellOBJCOPYFLAGS_vmlinux.bin := -R .comment -S 30db569afaSSam Ravnborg$(obj)/vmlinux.bin: vmlinux FORCE 31db569afaSSam Ravnborg $(call if_changed,objcopy) 32db569afaSSam Ravnborg 33db569afaSSam Ravnborg 347f16a339SH. Peter Anvintargets += vmlinux.bin.all vmlinux.relocs relocs 355f11e020SH. Peter Anvinhostprogs-$(CONFIG_X86_NEED_RELOCS) += relocs 36db569afaSSam Ravnborg 37db569afaSSam Ravnborgquiet_cmd_relocs = RELOCS $@ 38db569afaSSam Ravnborg cmd_relocs = $(obj)/relocs $< > $@;$(obj)/relocs --abs-relocs $< 39db569afaSSam Ravnborg$(obj)/vmlinux.relocs: vmlinux $(obj)/relocs FORCE 40db569afaSSam Ravnborg $(call if_changed,relocs) 41db569afaSSam Ravnborg 42db569afaSSam Ravnborgvmlinux.bin.all-y := $(obj)/vmlinux.bin 435f11e020SH. Peter Anvinvmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs 44db569afaSSam Ravnborg 455f11e020SH. Peter Anvin$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE 46db569afaSSam Ravnborg $(call if_changed,gzip) 475f11e020SH. Peter Anvin$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE 48ae03c499SAlain Knaff $(call if_changed,bzip2) 495f11e020SH. Peter Anvin$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE 50ae03c499SAlain Knaff $(call if_changed,lzma) 51db569afaSSam Ravnborg 52283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_GZIP) := gz 53283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_BZIP2) := bz2 54283ab1c0SH. Peter Anvinsuffix-$(CONFIG_KERNEL_LZMA) := lzma 55ae03c499SAlain Knaff 5602a884c0SH. Peter Anvinquiet_cmd_mkpiggy = MKPIGGY $@ 5702a884c0SH. Peter Anvin cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false ) 5802a884c0SH. Peter Anvin 5902a884c0SH. Peter Anvintargets += piggy.S 6002a884c0SH. Peter Anvin$(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE 6102a884c0SH. Peter Anvin $(call if_changed,mkpiggy) 62