247 lines
5.5 KiB
Makefile
247 lines
5.5 KiB
Makefile
OBJS = \
|
|
start.o \
|
|
console.o \
|
|
uart.o \
|
|
kalloc.o \
|
|
spinlock.o \
|
|
string.o \
|
|
main.o \
|
|
vm.o \
|
|
proc.o \
|
|
swtch.o \
|
|
trampoline.o \
|
|
trap.o \
|
|
syscall.o \
|
|
sysproc.o \
|
|
bio.o \
|
|
fs.o \
|
|
log.o \
|
|
sleeplock.o \
|
|
file.o \
|
|
pipe.o \
|
|
ramdisk.o \
|
|
exec.o \
|
|
sysfile.o \
|
|
kernelvec.o \
|
|
plic.o
|
|
|
|
XXXOBJS = \
|
|
bio.o\
|
|
console.o\
|
|
exec.o\
|
|
file.o\
|
|
fs.o\
|
|
ide.o\
|
|
ioapic.o\
|
|
kalloc.o\
|
|
kbd.o\
|
|
lapic.o\
|
|
log.o\
|
|
main.o\
|
|
mp.o\
|
|
picirq.o\
|
|
pipe.o\
|
|
proc.o\
|
|
sleeplock.o\
|
|
spinlock.o\
|
|
string.o\
|
|
swtch.o\
|
|
syscall.o\
|
|
sysfile.o\
|
|
sysproc.o\
|
|
trapasm.o\
|
|
trap.o\
|
|
uart.o\
|
|
vectors.o\
|
|
vm.o\
|
|
|
|
# riscv64-unknown-elf- or riscv64-linux-gnu-
|
|
# perhaps in /opt/riscv/bin
|
|
#TOOLPREFIX =
|
|
|
|
# Try to infer the correct TOOLPREFIX if not set
|
|
ifndef TOOLPREFIX
|
|
TOOLPREFIX := $(shell if riscv64-unknown-elf-objdump -i 2>&1 | grep 'elf64-big' >/dev/null 2>&1; \
|
|
then echo 'riscv64-unknown-elf-'; \
|
|
elif riscv64-linux-gnu-objdump -i 2>&1 | grep 'elf64-big' >/dev/null 2>&1; \
|
|
then echo 'riscv64-linux-gnu-'; \
|
|
else echo "***" 1>&2; \
|
|
echo "*** Error: Couldn't find an riscv64 version of GCC/binutils." 1>&2; \
|
|
echo "*** To turn off this error, run 'gmake TOOLPREFIX= ...'." 1>&2; \
|
|
echo "***" 1>&2; exit 1; fi)
|
|
endif
|
|
|
|
QEMU = qemu-system-riscv64
|
|
|
|
CC = $(TOOLPREFIX)gcc
|
|
AS = $(TOOLPREFIX)gas
|
|
LD = $(TOOLPREFIX)ld
|
|
OBJCOPY = $(TOOLPREFIX)objcopy
|
|
OBJDUMP = $(TOOLPREFIX)objdump
|
|
|
|
CFLAGS = -fno-pic -static -fno-builtin -fno-strict-aliasing -Wall -MD -ggdb -Werror -fno-omit-frame-pointer -O
|
|
CFLAGS = -mcmodel=medany
|
|
CFLAGS += -ffreestanding -fno-common -nostdlib -mno-relax
|
|
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
|
|
|
|
# Disable PIE when possible (for Ubuntu 16.10 toolchain)
|
|
ifneq ($(shell $(CC) -dumpspecs 2>/dev/null | grep -e '[^f]no-pie'),)
|
|
CFLAGS += -fno-pie -no-pie
|
|
endif
|
|
ifneq ($(shell $(CC) -dumpspecs 2>/dev/null | grep -e '[^f]nopie'),)
|
|
CFLAGS += -fno-pie -nopie
|
|
endif
|
|
|
|
LDFLAGS = -z max-page-size=4096
|
|
|
|
kernel: $(OBJS) entry.o kernel.ld initcode
|
|
$(LD) $(LDFLAGS) -T kernel.ld -o kernel entry.o $(OBJS)
|
|
$(OBJDUMP) -S kernel > kernel.asm
|
|
$(OBJDUMP) -t kernel | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > kernel.sym
|
|
|
|
initcode: initcode.S
|
|
$(CC) $(CFLAGS) -nostdinc -I. -c initcode.S
|
|
$(LD) $(LDFLAGS) -N -e start -Ttext 0 -o initcode.out initcode.o
|
|
$(OBJCOPY) -S -O binary initcode.out initcode
|
|
$(OBJDUMP) -S initcode.o > initcode.asm
|
|
|
|
tags: $(OBJS) entryother.S _init
|
|
etags *.S *.c
|
|
|
|
vectors.S: vectors.pl
|
|
./vectors.pl > vectors.S
|
|
|
|
ULIB = ulib.o usys.o printf.o umalloc.o
|
|
|
|
_%: %.o $(ULIB)
|
|
$(LD) $(LDFLAGS) -N -e main -Ttext 0 -o $@ $^
|
|
$(OBJDUMP) -S $@ > $*.asm
|
|
$(OBJDUMP) -t $@ | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > $*.sym
|
|
|
|
usys.S : usys.pl
|
|
perl ./usys.pl > usys.S
|
|
|
|
_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 -Werror -Wall -o mkfs mkfs.c
|
|
|
|
# Prevent deletion of intermediate files, e.g. cat.o, after first build, so
|
|
# that disk image changes after first build are persistent until clean. More
|
|
# details:
|
|
# http://www.gnu.org/software/make/manual/html_node/Chained-Rules.html
|
|
.PRECIOUS: %.o
|
|
|
|
UPROGS=\
|
|
_cat\
|
|
_echo\
|
|
_forktest\
|
|
_grep\
|
|
_init\
|
|
_kill\
|
|
_ln\
|
|
_ls\
|
|
_mkdir\
|
|
_rm\
|
|
_sh\
|
|
_stressfs\
|
|
_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 bootblock entryother \
|
|
initcode initcode.out kernel fs.img kernelmemfs \
|
|
mkfs .gdbinit \
|
|
$(UPROGS)
|
|
|
|
# make a printout
|
|
FILES = $(shell grep -v '^\#' runoff.list)
|
|
PRINT = runoff.list runoff.spec README toc.hdr toc.ftr $(FILES)
|
|
|
|
xv6.pdf: $(PRINT)
|
|
./runoff
|
|
ls -l xv6.pdf
|
|
|
|
print: xv6.pdf
|
|
|
|
# try to generate a unique GDB port
|
|
GDBPORT = $(shell expr `id -u` % 5000 + 25000)
|
|
# QEMU's gdb stub command line changed in 0.11
|
|
QEMUGDB = $(shell if $(QEMU) -help | grep -q '^-gdb'; \
|
|
then echo "-gdb tcp::$(GDBPORT)"; \
|
|
else echo "-s -p $(GDBPORT)"; fi)
|
|
ifndef CPUS
|
|
CPUS := 1
|
|
endif
|
|
QEMUOPTS = -machine virt -kernel kernel -m 3G -smp $(CPUS) -nographic
|
|
QEMUOPTS += -initrd fs.img
|
|
|
|
qemu: kernel fs.img
|
|
$(QEMU) $(QEMUOPTS)
|
|
|
|
.gdbinit: .gdbinit.tmpl-riscv
|
|
sed "s/:1234/:$(GDBPORT)/" < $^ > $@
|
|
|
|
qemu-gdb: kernel .gdbinit fs.img
|
|
@echo "*** Now run 'gdb'." 1>&2
|
|
$(QEMU) $(QEMUOPTS) -S $(QEMUGDB)
|
|
|
|
qemu-nox-gdb: fs.img kernel .gdbinit
|
|
@echo "*** Now run 'gdb'." 1>&2
|
|
$(QEMU) -nographic $(QEMUOPTS) -S $(QEMUGDB)
|
|
|
|
# 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 stressfs.c usertests.c wc.c zombie.c\
|
|
printf.c umalloc.c\
|
|
README dot-bochsrc *.pl toc.* runoff runoff1 runoff.list\
|
|
.gdbinit.tmpl gdbutil\
|
|
|
|
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; $(MAKE) print
|
|
cd dist-test; $(MAKE) bochs || true
|
|
cd dist-test; $(MAKE) qemu
|
|
|
|
# update this rule (change rev#) when it is time to
|
|
# make a new revision.
|
|
tar:
|
|
rm -rf /tmp/xv6
|
|
mkdir -p /tmp/xv6
|
|
cp dist/* dist/.gdbinit.tmpl /tmp/xv6
|
|
(cd /tmp; tar cf - xv6) | gzip >xv6-rev10.tar.gz # the next one will be 10 (9/17)
|
|
|
|
.PHONY: dist-test dist
|