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- #
- # linux/arch/x86/boot/compressed/Makefile
- #
- # create a compressed vmlinux image from the original vmlinux
- #
- targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xz vmlinux.bin.lzo
- KBUILD_CFLAGS := -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2
- KBUILD_CFLAGS += -fno-strict-aliasing -fPIC
- KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
- cflags-$(CONFIG_X86_32) := -march=i386
- cflags-$(CONFIG_X86_64) := -mcmodel=small
- KBUILD_CFLAGS += $(cflags-y)
- KBUILD_CFLAGS += -mno-mmx -mno-sse
- KBUILD_CFLAGS += $(call cc-option,-ffreestanding)
- KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
- KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__
- GCOV_PROFILE := n
- LDFLAGS := -m elf_$(UTS_MACHINE)
- LDFLAGS_vmlinux := -T
- hostprogs-y := mkpiggy
- HOST_EXTRACFLAGS += -I$(srctree)/tools/include
- VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
- $(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \
- $(obj)/piggy.o
- $(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone
- ifeq ($(CONFIG_EFI_STUB), y)
- VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o
- endif
- $(obj)/vmlinux: $(VMLINUX_OBJS) FORCE
- $(call if_changed,ld)
- @:
- OBJCOPYFLAGS_vmlinux.bin := -R .comment -S
- $(obj)/vmlinux.bin: vmlinux FORCE
- $(call if_changed,objcopy)
- targets += $(patsubst $(obj)/%,%,$(VMLINUX_OBJS)) vmlinux.bin.all vmlinux.relocs
- CMD_RELOCS = arch/x86/tools/relocs
- quiet_cmd_relocs = RELOCS $@
- cmd_relocs = $(CMD_RELOCS) $< > $@;$(CMD_RELOCS) --abs-relocs $<
- $(obj)/vmlinux.relocs: vmlinux FORCE
- $(call if_changed,relocs)
- vmlinux.bin.all-y := $(obj)/vmlinux.bin
- vmlinux.bin.all-$(CONFIG_X86_NEED_RELOCS) += $(obj)/vmlinux.relocs
- $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
- $(call if_changed,gzip)
- $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
- $(call if_changed,bzip2)
- $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
- $(call if_changed,lzma)
- $(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
- $(call if_changed,xzkern)
- $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
- $(call if_changed,lzo)
- suffix-$(CONFIG_KERNEL_GZIP) := gz
- suffix-$(CONFIG_KERNEL_BZIP2) := bz2
- suffix-$(CONFIG_KERNEL_LZMA) := lzma
- suffix-$(CONFIG_KERNEL_XZ) := xz
- suffix-$(CONFIG_KERNEL_LZO) := lzo
- quiet_cmd_mkpiggy = MKPIGGY $@
- cmd_mkpiggy = $(obj)/mkpiggy $< > $@ || ( rm -f $@ ; false )
- targets += piggy.S
- $(obj)/piggy.S: $(obj)/vmlinux.bin.$(suffix-y) $(obj)/mkpiggy FORCE
- $(call if_changed,mkpiggy)
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