xv6/Makefile

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Makefile
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OBJS = \
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bio.o\
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console.o\
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exec.o\
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file.o\
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fs.o\
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ide.o\
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ioapic.o\
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kalloc.o\
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kbd.o\
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lapic.o\
main.o\
mp.o\
picirq.o\
pipe.o\
proc.o\
spinlock.o\
string.o\
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swtch.o\
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syscall.o\
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sysfile.o\
sysproc.o\
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timer.o\
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trapasm.o\
trap.o\
uart.o\
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vectors.o\
vm.o\
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# Cross-compiling (e.g., on Mac OS X)
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#TOOLPREFIX = i386-jos-elf-
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# Using native tools (e.g., on X86 Linux)
#TOOLPREFIX =
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# Try to infer the correct TOOLPREFIX if not set
ifndef TOOLPREFIX
TOOLPREFIX := $(shell if i386-jos-elf-objdump -i 2>&1 | grep '^elf32-i386$$' >/dev/null 2>&1; \
then echo 'i386-jos-elf-'; \
elif objdump -i 2>&1 | grep 'elf32-i386' >/dev/null 2>&1; \
then echo ''; \
else echo "***" 1>&2; \
echo "*** Error: Couldn't find an i386-*-elf version of GCC/binutils." 1>&2; \
echo "*** Is the directory with i386-jos-elf-gcc in your PATH?" 1>&2; \
echo "*** If your i386-*-elf toolchain is installed with a command" 1>&2; \
echo "*** prefix other than 'i386-jos-elf-', set your TOOLPREFIX" 1>&2; \
echo "*** environment variable to that prefix and run 'make' again." 1>&2; \
echo "*** To turn off this error, run 'gmake TOOLPREFIX= ...'." 1>&2; \
echo "***" 1>&2; exit 1; fi)
endif
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# If the makefile can't find QEMU, specify its path here
#QEMU =
# Try to infer the correct QEMU
ifndef QEMU
QEMU = $(shell if which qemu > /dev/null; \
then echo qemu; exit; \
else \
qemu=/Applications/Q.app/Contents/MacOS/i386-softmmu.app/Contents/MacOS/i386-softmmu; \
if test -x $$qemu; then echo $$qemu; exit; fi; fi; \
echo "***" 1>&2; \
echo "*** Error: Couldn't find a working QEMU executable." 1>&2; \
echo "*** Is the directory containing the qemu binary in your PATH" 1>&2; \
echo "*** or have you tried setting the QEMU variable in Makefile?" 1>&2; \
echo "***" 1>&2; exit 1)
endif
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CC = $(TOOLPREFIX)gcc
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AS = $(TOOLPREFIX)gas
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LD = $(TOOLPREFIX)ld
OBJCOPY = $(TOOLPREFIX)objcopy
OBJDUMP = $(TOOLPREFIX)objdump
CFLAGS = -fno-pic -static -fno-builtin -fno-strict-aliasing -O2 -Wall -MD -ggdb -m32 -Werror -fno-omit-frame-pointer
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CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
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ASFLAGS = -m32 -gdwarf-2
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# FreeBSD ld wants ``elf_i386_fbsd''
LDFLAGS += -m $(shell $(LD) -V | grep elf_i386 2>/dev/null)
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xv6.img: bootblock kernel fs.img
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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
xv6memfs.img: bootblock kernelmemfs
dd if=/dev/zero of=xv6memfs.img count=10000
dd if=bootblock of=xv6memfs.img conv=notrunc
dd if=kernelmemfs of=xv6memfs.img seek=1 conv=notrunc
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bootblock: bootasm.S bootmain.c
$(CC) $(CFLAGS) -fno-pic -O -nostdinc -I. -c bootmain.c
$(CC) $(CFLAGS) -fno-pic -nostdinc -I. -c bootasm.S
$(LD) $(LDFLAGS) -N -e start -Ttext 0x7C00 -o bootblock.o bootasm.o bootmain.o
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$(OBJDUMP) -S bootblock.o > bootblock.asm
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$(OBJCOPY) -S -O binary -j .text bootblock.o bootblock
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./sign.pl bootblock
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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
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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
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kernel: $(OBJS) multiboot.o data.o bootother initcode
$(LD) $(LDFLAGS) -Ttext 0x100000 -e main -o kernel multiboot.o data.o $(OBJS) -b binary initcode bootother
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$(OBJDUMP) -S kernel > kernel.asm
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$(OBJDUMP) -t kernel | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > kernel.sym
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# kernelmemfs is a copy of kernel that maintains the
# disk image in memory instead of writing to a disk.
# This is not so useful for testing persistent storage or
# exploring disk buffering implementations, but it is
# great for testing the kernel on real hardware without
# needing a scratch disk.
MEMFSOBJS = $(filter-out ide.o,$(OBJS)) memide.o
kernelmemfs: $(MEMFSOBJS) multiboot.o data.o bootother initcode fs.img
$(LD) $(LDFLAGS) -Ttext 0x100000 -e main -o kernelmemfs multiboot.o data.o $(MEMFSOBJS) -b binary initcode bootother fs.img
$(OBJDUMP) -S kernelmemfs > kernelmemfs.asm
$(OBJDUMP) -t kernelmemfs | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > kernelmemfs.sym
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tags: $(OBJS) bootother.S _init
etags *.S *.c
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vectors.S: vectors.pl
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perl vectors.pl > vectors.S
ULIB = ulib.o usys.o printf.o umalloc.o
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_%: %.o $(ULIB)
$(LD) $(LDFLAGS) -N -e main -Ttext 0 -o $@ $^
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$(OBJDUMP) -S $@ > $*.asm
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$(OBJDUMP) -t $@ | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > $*.sym
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_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) $(LDFLAGS) -N -e main -Ttext 0 -o _forktest forktest.o ulib.o usys.o
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$(OBJDUMP) -S _forktest > forktest.asm
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mkfs: mkfs.c fs.h
gcc -m32 -Werror -Wall -o mkfs mkfs.c
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UPROGS=\
_cat\
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_echo\
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_forktest\
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_grep\
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_init\
_kill\
_ln\
_ls\
_mkdir\
_rm\
_sh\
_stressfs\
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_usertests\
_wc\
_zombie\
fs.img: mkfs README $(UPROGS)
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./mkfs fs.img README $(UPROGS)
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-include *.d
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clean:
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rm -f *.tex *.dvi *.idx *.aux *.log *.ind *.ilg \
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*.o *.d *.asm *.sym vectors.S parport.out \
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bootblock kernel xv6.img fs.img mkfs \
$(UPROGS)
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# make a printout
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FILES = $(shell grep -v '^\#' runoff.list)
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PRINT = runoff.list runoff.spec $(FILES)
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xv6.pdf: $(PRINT)
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./runoff
ls -l xv6.pdf
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print: xv6.pdf
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# run in emulators
bochs : fs.img xv6.img
if [ ! -e .bochsrc ]; then ln -s dot-bochsrc .bochsrc; fi
bochs -q
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# try to generate a unique GDB port
GDBPORT = $(shell expr `id -u` % 5000 + 25000)
# QEMU's gdb stub command line changed in 0.11
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QEMUGDB = $(shell if $(QEMU) -help | grep -q '^-gdb'; \
then echo "-gdb tcp::$(GDBPORT)"; \
else echo "-s -p $(GDBPORT)"; fi)
ifndef CPUS
CPUS := 2
endif
QEMUOPTS = -hdb fs.img xv6.img -smp $(CPUS)
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qemu: fs.img xv6.img
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$(QEMU) -serial mon:stdio $(QEMUOPTS)
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qemu-memfs: xv6memfs.img
$(QEMU) xv6memfs.img -smp $(CPUS)
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qemu-nox: fs.img xv6.img
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$(QEMU) -nographic $(QEMUOPTS)
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.gdbinit: .gdbinit.tmpl
sed "s/localhost:1234/localhost:$(GDBPORT)/" < $^ > $@
qemu-gdb: fs.img xv6.img .gdbinit
@echo "*** Now run 'gdb'." 1>&2
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$(QEMU) -serial mon:stdio $(QEMUOPTS) -S $(QEMUGDB)
qemu-nox-gdb: fs.img xv6.img .gdbinit
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@echo "*** Now run 'gdb'." 1>&2
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$(QEMU) -nographic $(QEMUOPTS) -S $(QEMUGDB)
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# 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.
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EXTRA=\
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mkfs.c ulib.c user.h cat.c echo.c forktest.c grep.c kill.c\
ln.c ls.c mkdir.c rm.c stressfs.c usertests.c wc.c zombie.c\
printf.c umalloc.c\
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README dot-bochsrc *.pl toc.* runoff runoff1 runoff.list\
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.gdbinit.tmpl gdbutil\
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dist:
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rm -rf dist
mkdir dist
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for i in $(FILES); \
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do \
grep -v PAGEBREAK $$i >dist/$$i; \
done
sed '/CUT HERE/,$$d' Makefile >dist/Makefile
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echo >dist/runoff.spec
cp $(EXTRA) dist
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dist-test:
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rm -rf dist
make dist
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rm -rf dist-test
mkdir dist-test
cp dist/* dist-test
cd dist-test; $(MAKE) print
cd dist-test; $(MAKE) bochs || true
cd dist-test; $(MAKE) qemu
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# update this rule (change rev#) when it is time to
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# make a new revision.
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tar:
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rm -rf /tmp/xv6
mkdir -p /tmp/xv6
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cp dist/* dist/.gdbinit.tmpl /tmp/xv6
(cd /tmp; tar cf - xv6) | gzip >xv6-rev5.tar.gz
.PHONY: dist-test dist