OBJS = \ bio.o\ console.o\ exec.o\ file.o\ fs.o\ ide.o\ ioapic.o\ kalloc.o\ kbd.o\ lapic.o\ main.o\ mp.o\ picirq.o\ pipe.o\ proc.o\ spinlock.o\ string.o\ swtch.o\ syscall.o\ sysfile.o\ sysproc.o\ timer.o\ trapasm.o\ trap.o\ uart.o\ vectors.o\ # Cross-compiling (e.g., on Mac OS X) #TOOLPREFIX = i386-jos-elf- # Using native tools (e.g., on X86 Linux) TOOLPREFIX = CC = $(TOOLPREFIX)gcc AS = $(TOOLPREFIX)gas LD = $(TOOLPREFIX)ld OBJCOPY = $(TOOLPREFIX)objcopy OBJDUMP = $(TOOLPREFIX)objdump CFLAGS = -fno-builtin -O2 -Wall -MD -ggdb -m32 CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) ASFLAGS = -m32 # FreeBSD ld wants ``elf_i386_fbsd'' LDFLAGS += -m $(shell $(LD) -V | grep elf_i386 2>/dev/null) xv6.img: bootblock kernel fs.img dd if=/dev/zero of=xv6.img count=10000 dd if=bootblock of=xv6.img conv=notrunc dd if=kernel of=xv6.img seek=1 conv=notrunc bootblock: bootasm.S bootmain.c $(CC) $(CFLAGS) -O -nostdinc -I. -c bootmain.c $(CC) $(CFLAGS) -nostdinc -I. -c bootasm.S $(LD) $(LDFLAGS) -N -e start -Ttext 0x7C00 -o bootblock.o bootasm.o bootmain.o $(OBJDUMP) -S bootblock.o > bootblock.asm $(OBJCOPY) -S -O binary bootblock.o bootblock ./sign.pl bootblock bootother: bootother.S $(CC) $(CFLAGS) -nostdinc -I. -c bootother.S $(LD) $(LDFLAGS) -N -e start -Ttext 0x7000 -o bootother.out bootother.o $(OBJCOPY) -S -O binary bootother.out bootother $(OBJDUMP) -S bootother.o > bootother.asm initcode: initcode.S $(CC) $(CFLAGS) -nostdinc -I. -c initcode.S $(LD) $(LDFLAGS) -N -e start -Ttext 0 -o initcode.out initcode.o $(OBJCOPY) -S -O binary initcode.out initcode $(OBJDUMP) -S initcode.o > initcode.asm kernel: $(OBJS) bootother initcode $(LD) $(LDFLAGS) -Ttext 0x100000 -e main -o kernel $(OBJS) -b binary initcode bootother $(OBJDUMP) -S kernel > kernel.asm $(OBJDUMP) -t kernel | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > kernel.sym tags: $(OBJS) bootother.S _init etags *.S *.c vectors.S: vectors.pl perl vectors.pl > vectors.S ULIB = ulib.o usys.o printf.o umalloc.o _%: %.o $(ULIB) $(LD) $(LDFLAGS) -N -e main -Ttext 0 -o $@ $^ $(OBJDUMP) -S $@ > $*.asm $(OBJDUMP) -t $@ | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > $*.sym _forktest: forktest.o $(ULIB) # forktest has less library code linked in - needs to be small # in order to be able to max out the proc table. $(LD) $(LDFLAGS) -N -e main -Ttext 0 -o _forktest forktest.o ulib.o usys.o $(OBJDUMP) -S _forktest > forktest.asm mkfs: mkfs.c fs.h gcc $(CFLAGS) -Wall -o mkfs mkfs.c UPROGS=\ _cat\ _echo\ _forktest\ _grep\ _init\ _kill\ _ln\ _ls\ _mkdir\ _rm\ _sh\ _usertests\ _wc\ _zombie\ fs.img: mkfs README $(UPROGS) ./mkfs fs.img README $(UPROGS) -include *.d clean: rm -f *.tex *.dvi *.idx *.aux *.log *.ind *.ilg \ *.o *.d *.asm *.sym vectors.S parport.out \ bootblock kernel xv6.img fs.img mkfs \ $(UPROGS) # make a printout FILES = $(shell grep -v '^\#' runoff.list) PRINT = runoff.list $(FILES) xv6.pdf: $(PRINT) ./runoff ls -l xv6.pdf print: xv6.pdf # run in emulators bochs : fs.img xv6.img if [ ! -e .bochsrc ]; then ln -s dot-bochsrc .bochsrc; fi bochs -q qemu: fs.img xv6.img qemu -parallel stdio -hdb fs.img xv6.img qemutty: fs.img xv6.img qemu -nographic -smp 2 -hdb fs.img xv6.img # CUT HERE # prepare dist for students # after running make dist, probably want to # rename it to rev0 or rev1 or so on and then # check in that version. EXTRA=\ mkfs.c ulib.c user.h cat.c echo.c forktest.c grep.c\ kill.c ln.c ls.c mkdir.c rm.c usertests.c wc.c zombie.c\ printf.c umalloc.c \ README dot-bochsrc *.pl toc.* runoff runoff1 runoff.list\ dist: rm -rf dist mkdir dist for i in $(FILES); \ do \ grep -v PAGEBREAK $$i >dist/$$i; \ done sed '/CUT HERE/,$$d' Makefile >dist/Makefile echo >dist/runoff.spec cp $(EXTRA) dist dist-test: rm -rf dist make dist rm -rf dist-test mkdir dist-test cp dist/* dist-test cd dist-test; ../m print cd dist-test; ../m bochs || true cd dist-test; ../m qemu # update this rule (change rev1) when it is time to # make a new revision. tar: rm -rf /tmp/xv6 mkdir -p /tmp/xv6 cp dist/* /tmp/xv6 (cd /tmp; tar cf - xv6) | gzip >xv6-rev2.tar.gz