修改Makefile

Makefile

@@ -0,0 +1,125 @@
+#
+# if you want the ram-disk device, define this to be the
+# size in blocks.
+#
+RAMDISK = #-DRAMDISK=512
+
+AS86	=as86 -0 -a
+LD86	=ld86 -0
+
+AS	=as
+LD	=ld
+LDFLAGS	=-m elf_i386 -Ttext 0 -e startup_32 -Map=System.map.2 -N
+CC	=gcc -march=i386 $(RAMDISK)
+CFLAGS	=-w -g -fstrength-reduce -fomit-frame-pointer -fno-stack-protector -mcld
+CPP	=cpp -nostdinc -Iinclude
+
+#
+# ROOT_DEV specifies the default root-device when making the image.
+# This can be either FLOPPY, /dev/xxxx or empty, in which case the
+# default of /dev/hd6 is used by 'build'.
+#
+ROOT_DEV=
+
+ARCHIVES=kernel/kernel.o mm/mm.o fs/fs.o
+DRIVERS =kernel/blk_drv/blk_drv.a kernel/chr_drv/chr_drv.a
+MATH	=kernel/math/math.a
+LIBS	=lib/lib.a
+
+.c.s:
+	$(CC) $(CFLAGS) \
+	-nostdinc -Iinclude -S -o $*.s $<
+.s.o:
+	$(AS) -o $*.o $<
+.c.o:
+	$(CC) $(CFLAGS) \
+	-nostdinc -Iinclude -c -o $*.o $<
+
+all:	Image
+
+Image: boot/bootsect boot/setup tools/system tools/build
+	cp -f tools/system system.tmp
+	strip system.tmp
+	tools/build boot/bootsect boot/setup system.tmp $(ROOT_DEV) > Image
+	rm -f system.tmp
+	sync
+
+disk: Image
+	dd bs=8192 if=Image of=/dev/PS0
+
+tools/build: tools/build.c
+	$(CC) $(CFLAGS) \
+	-o tools/build tools/build.c
+
+boot/head.o: boot/head.s
+
+tools/system:	boot/head.o init/main.o \
+		$(ARCHIVES) $(DRIVERS) $(MATH) $(LIBS)
+	$(LD) $(LDFLAGS) boot/head.o init/main.o \
+	$(ARCHIVES) \
+	$(DRIVERS) \
+	$(MATH) \
+	$(LIBS) \
+	-o tools/system
+	nm tools/system | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw]\)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort >System.map
+
+kernel/math/math.a: FORCE
+	(cd kernel/math; make)
+
+kernel/blk_drv/blk_drv.a: FORCE
+	(cd kernel/blk_drv; make)
+
+kernel/chr_drv/chr_drv.a: FORCE
+	(cd kernel/chr_drv; make)
+
+kernel/kernel.o: FORCE
+	(cd kernel; make)
+
+mm/mm.o: FORCE
+	(cd mm; make)
+
+fs/fs.o: FORCE
+	(cd fs; make)
+
+lib/lib.a: FORCE
+	(cd lib; make)
+
+FORCE:
+
+boot/setup: boot/setup.s
+	$(AS86) -o boot/setup.o boot/setup.s
+	$(LD86) -s -o boot/setup boot/setup.o
+
+boot/bootsect:	boot/bootsect.s
+	$(AS86) -o boot/bootsect.o boot/bootsect.s
+	$(LD86) -s -o boot/bootsect boot/bootsect.o
+
+tmp.s:	boot/bootsect.s tools/system
+	(echo -n "SYSSIZE = (";ls -l tools/system | grep system \
+		| cut -c25-31 | tr '\012' ' '; echo "+ 15 ) / 16") > tmp.s
+	cat boot/bootsect.s >> tmp.s
+
+clean:
+	rm -f Image System.map tmp_make core System.map.2
+	rm -f boot/bootsect boot/setup
+	rm -f init/*.o tools/system tools/build boot/*.o
+	(cd mm;make clean)
+	(cd fs;make clean)
+	(cd kernel;make clean)
+	(cd lib;make clean)
+
+dep:
+	sed '/\#\#\# Dependencies/q' < Makefile > tmp_make
+	(for i in init/*.c;do echo -n "init/";$(CPP) -M $$i;done) >> tmp_make
+	cp tmp_make Makefile
+	(cd fs; make dep)
+	(cd kernel; make dep)
+	(cd mm; make dep)
+
+### Dependencies:
+init/main.o : init/main.c include/unistd.h include/sys/stat.h \
+  include/sys/types.h include/sys/times.h include/sys/utsname.h \
+  include/utime.h include/time.h include/linux/tty.h include/termios.h \
+  include/linux/sched.h include/linux/head.h include/linux/fs.h \
+  include/linux/mm.h include/signal.h include/asm/system.h include/asm/io.h \
+  include/stddef.h include/stdarg.h include/fcntl.h