该文件是rt_linux

				# BK Id: SCCS/s.Makefile 1.19 01/16/02 11:08:07 trini				#				# Makefile for making XCOFF bootable images for booting on PowerMacs				# using Open Firmware.				#				# Paul Mackerras	January 1997				#				# Cleaned up, moved into arch/ppc/boot/pmac				# Tom Rini		January 2001								OBJCOPY_ARGS = -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment				COFF_LD_ARGS = -T ../ld.script -e _start -Ttext 0x00500000 -Bstatic				CHRP_LD_ARGS = -T ../ld.script -Ttext 0x01000000								COMMONOBJS = start.o misc.o ../common/string.o ../common/ofcommon.o				COFFOBJS = ../common/coffcrt0.o $(COMMONOBJS) coffmain.o				CHRPOBJS = ../common/crt0.o $(COMMONOBJS) chrpmain.o				LIBS = $(TOPDIR)/lib/lib.a ../lib/zlib.a								MKNOTE := ../utils/mknote				SIZE := ../utils/size				OFFSET := ../utils/offset				HACKCOFF := ../utils/hack-coff								ifdef CONFIG_SMP				END := .smp				endif				ifdef CONFIG_PPC64BRIDGE				END += .64				endif								TFTPIMAGE=/tftpboot/zImage.pmac$(END)								AFLAGS_../common/crt0.o		+= -I$(TOPDIR)/arch/$(ARCH)/kernel								../common/coffcrt0.o:					$(MAKE) -C ../common coffcrt0.o								image.o: ../images/vmlinux.gz ../common/dummy.o					$(OBJCOPY) ../common/dummy.o $@ -R .comment \						--add-section=.image=../images/vmlinux.gz \						--set-section-flags=.image=contents,alloc,load,readonly,data				ifdef CONFIG_XMON					$(OBJCOPY) $@ $@ \						--add-section=.sysmap=$(TOPDIR)/System.map \						--set-section-flags=.sysmap=contents,alloc,load,readonly,data				endif								znetboot: vmlinux.coff vmlinux.elf-pmac zImage					cp ../images/vmlinux.coff $(TFTPIMAGE)					cp ../images/vmlinux.elf-pmac $(TFTPIMAGE).elf								znetboot.initrd: vmlinux.initrd.coff vmlinux.initrd.elf-pmac					cp ../images/vmlinux.initrd.coff $(TFTPIMAGE)					cp ../images/vmlinux.initrd.elf-pmac $(TFTPIMAGE).elf								miboot.image: ../common/dummy.o ../images/vmlinux.gz					$(OBJCOPY) $(OBJCOPY_ARGS) --add-section=image=../images/vmlinux.gz \						../common/dummy.o ../images/$@								miboot.initrd.image: miboot.image ../images/ramdisk.image.gz					$(OBJCOPY) $(OBJCOPY_ARGS) --add-section=initrd=../images/ramdisk.image.gz \						../images/miboot.image ../images/$@								coffboot: $(COFFOBJS) image.o $(LIBS) ../ld.script					$(LD) -o $@ $(COFF_LD_ARGS) $(COFFOBJS) image.o $(LIBS)					$(OBJCOPY) $@ $@ -R .comment								coffboot.initrd: $(COFFOBJS) image.o $(LIBS) ../ld.script \						../images/ramdisk.image.gz					$(OBJCOPY) image.o image-coff.o \						--add-section=.ramdisk=../images/ramdisk.image.gz \						--set-section-flags=.ramdisk=contents,alloc,load,readonly,data					$(LD) -o $@ $(COFF_LD_ARGS) $(COFFOBJS) image-coff.o $(LIBS)					$(OBJCOPY) $@ $@ -R .comment					rm -f image-coff.o								vmlinux.coff: coffboot $(HACKCOFF)					$(OBJCOPY) $(OBJCOPY_ARGS) coffboot ../images/$@					$(HACKCOFF) ../images/$@					rm -f coffboot					ln -sf vmlinux.coff ../images/zImage.pmac								vmlinux.initrd.coff: coffboot.initrd $(HACKCOFF)					$(OBJCOPY) $(OBJCOPY_ARGS) coffboot.initrd ../images/$@					$(HACKCOFF) ../images/$@					rm -f coffboot.initrd					ln -sf vmlinux.initrd.coff ../images/zImage.initrd.pmac								vmlinux.elf-pmac: $(CHRPOBJS) $(LIBS) $(MKNOTE) image.o					$(LD) $(CHRP_LD_ARGS) -o ../images/$@ $(CHRPOBJS) $(LIBS) image.o					$(MKNOTE) > note					$(OBJCOPY) ../images/$@ ../images/$@ --add-section=.note=note \						-R .comment -R .ramdisk					rm -f note								vmlinux.initrd.elf-pmac: $(CHRPOBJS) $(LIBS) $(MKNOTE) image.o \						../images/ramdisk.image.gz					$(OBJCOPY) image.o image-elf.o \						--add-section=.ramdisk=../images/ramdisk.image.gz \						--set-section-flags=.ramdisk=contents,alloc,load,readonly,data					$(LD) $(CHRP_LD_ARGS) -o ../images/$@ $(CHRPOBJS) $(LIBS) image-elf.o					$(MKNOTE) > note					$(OBJCOPY) ../images/$@ ../images/$@ --add-section=.note=note \						-R .comment					rm -f note image-elf.o								zImage: vmlinux.coff vmlinux.elf-pmac miboot.image								zImage.initrd: vmlinux.initrd.coff vmlinux.initrd.elf-pmac miboot.initrd.image								include $(TOPDIR)/Rules.make