-
Notifications
You must be signed in to change notification settings - Fork 0
/
Makefile
413 lines (330 loc) · 9.3 KB
/
Makefile
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
# To compile and run with a lab solution, set the lab name in lab.mk
# (e.g., LAB=util). Run make grade to test solution with the lab's
# grade script (e.g., grade-lab-util).
-include conf/lab.mk
K=kernel
U=user
OBJS = \
$K/entry.o \
$K/kalloc.o \
$K/string.o \
$K/main.o \
$K/vm.o \
$K/proc.o \
$K/swtch.o \
$K/trampoline.o \
$K/trap.o \
$K/syscall.o \
$K/sysproc.o \
$K/bio.o \
$K/fs.o \
$K/log.o \
$K/sleeplock.o \
$K/file.o \
$K/pipe.o \
$K/exec.o \
$K/sysfile.o \
$K/kernelvec.o \
$K/plic.o \
$K/virtio_disk.o
OBJS_KCSAN = \
$K/start.o \
$K/console.o \
$K/printf.o \
$K/uart.o \
$K/spinlock.o
ifdef KCSAN
OBJS_KCSAN += \
$K/kcsan.o
endif
ifeq ($(LAB),pgtbl)
OBJS += \
$K/vmcopyin.o
endif
ifeq ($(LAB),$(filter $(LAB), pgtbl lock))
OBJS += \
$K/stats.o\
$K/sprintf.o
endif
ifeq ($(LAB),net)
OBJS += \
$K/e1000.o \
$K/net.o \
$K/sysnet.o \
$K/pci.o
endif
# 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-'; \
elif riscv64-unknown-linux-gnu-objdump -i 2>&1 | grep 'elf64-big' >/dev/null 2>&1; \
then echo 'riscv64-unknown-linux-gnu-'; \
else echo "***" 1>&2; \
echo "*** Error: Couldn't find a 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 = -Wall -Werror -O -fno-omit-frame-pointer -ggdb
ifdef LAB
LABUPPER = $(shell echo $(LAB) | tr a-z A-Z)
XCFLAGS += -DSOL_$(LABUPPER) -DLAB_$(LABUPPER)
endif
CFLAGS += $(XCFLAGS)
CFLAGS += -MD
CFLAGS += -mcmodel=medany
CFLAGS += -ffreestanding -fno-common -nostdlib -mno-relax
CFLAGS += -I.
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
ifeq ($(LAB),net)
CFLAGS += -DNET_TESTS_PORT=$(SERVERPORT)
endif
ifdef KCSAN
CFLAGS += -DKCSAN
KCSANFLAG = -fsanitize=thread
endif
# Disable PIE when possible (for Ubuntu 16.10 toolchain)
ifneq ($(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
$K/kernel: $(OBJS) $(OBJS_KCSAN) $K/kernel.ld $U/initcode
$(LD) $(LDFLAGS) -T $K/kernel.ld -o $K/kernel $(OBJS) $(OBJS_KCSAN)
$(OBJDUMP) -S $K/kernel > $K/kernel.asm
$(OBJDUMP) -t $K/kernel | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > $K/kernel.sym
$(OBJS): EXTRAFLAG := $(KCSANFLAG)
$K/%.o: $K/%.c
$(CC) $(CFLAGS) $(EXTRAFLAG) -c -o $@ $<
$U/initcode: $U/initcode.S
$(CC) $(CFLAGS) -march=rv64g -nostdinc -I. -Ikernel -c $U/initcode.S -o $U/initcode.o
$(LD) $(LDFLAGS) -N -e start -Ttext 0 -o $U/initcode.out $U/initcode.o
$(OBJCOPY) -S -O binary $U/initcode.out $U/initcode
$(OBJDUMP) -S $U/initcode.o > $U/initcode.asm
tags: $(OBJS) _init
etags *.S *.c
ULIB = $U/ulib.o $U/usys.o $U/printf.o $U/umalloc.o
ifeq ($(LAB),$(filter $(LAB), pgtbl lock))
ULIB += $U/statistics.o
endif
_%: %.o $(ULIB)
$(LD) $(LDFLAGS) -N -e main -Ttext 0 -o $@ $^
$(OBJDUMP) -S $@ > $*.asm
$(OBJDUMP) -t $@ | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > $*.sym
$U/usys.S : $U/usys.pl
perl $U/usys.pl > $U/usys.S
$U/usys.o : $U/usys.S
$(CC) $(CFLAGS) -c -o $U/usys.o $U/usys.S
$U/_forktest: $U/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 $U/_forktest $U/forktest.o $U/ulib.o $U/usys.o
$(OBJDUMP) -S $U/_forktest > $U/forktest.asm
mkfs/mkfs: mkfs/mkfs.c $K/fs.h $K/param.h
gcc $(XCFLAGS) -Werror -Wall -I. -o mkfs/mkfs 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:
# https://www.gnu.org/software/make/manual/html_node/Chained-Rules.html
.PRECIOUS: %.o
UPROGS=\
$U/_cat\
$U/_echo\
$U/_forktest\
$U/_grep\
$U/_init\
$U/_kill\
$U/_ln\
$U/_ls\
$U/_mkdir\
$U/_rm\
$U/_sh\
$U/_stressfs\
$U/_usertests\
$U/_grind\
$U/_wc\
$U/_zombie\
$U/_sleep\
$U/_pingpong\
$U/_primes\
$U/_find\
$U/_xargs\
ifeq ($(LAB),$(filter $(LAB), pgtbl lock))
UPROGS += \
$U/_stats
endif
ifeq ($(LAB),traps)
UPROGS += \
$U/_call\
$U/_bttest
endif
ifeq ($(LAB),lazy)
UPROGS += \
$U/_lazytests
endif
ifeq ($(LAB),cow)
UPROGS += \
$U/_cowtest
endif
ifeq ($(LAB),thread)
UPROGS += \
$U/_uthread
$U/uthread_switch.o : $U/uthread_switch.S
$(CC) $(CFLAGS) -c -o $U/uthread_switch.o $U/uthread_switch.S
$U/_uthread: $U/uthread.o $U/uthread_switch.o $(ULIB)
$(LD) $(LDFLAGS) -N -e main -Ttext 0 -o $U/_uthread $U/uthread.o $U/uthread_switch.o $(ULIB)
$(OBJDUMP) -S $U/_uthread > $U/uthread.asm
ph: notxv6/ph.c
gcc -o ph -g -O2 $(XCFLAGS) notxv6/ph.c -pthread
barrier: notxv6/barrier.c
gcc -o barrier -g -O2 $(XCFLAGS) notxv6/barrier.c -pthread
endif
ifeq ($(LAB),lock)
UPROGS += \
$U/_kalloctest\
$U/_bcachetest
endif
ifeq ($(LAB),fs)
UPROGS += \
$U/_bigfile
endif
ifeq ($(LAB),net)
UPROGS += \
$U/_nettests
endif
UEXTRA=
ifeq ($(LAB),util)
UEXTRA += user/xargstest.sh
endif
fs.img: mkfs/mkfs README $(UEXTRA) $(UPROGS)
mkfs/mkfs fs.img README $(UEXTRA) $(UPROGS)
-include kernel/*.d user/*.d
clean:
rm -f *.tex *.dvi *.idx *.aux *.log *.ind *.ilg \
*/*.o */*.d */*.asm */*.sym \
$U/initcode $U/initcode.out $K/kernel fs.img \
mkfs/mkfs .gdbinit \
$U/usys.S \
$(UPROGS) \
ph barrier
# 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 $(GDBPORT)"; fi)
ifndef CPUS
CPUS := 3
endif
ifeq ($(LAB),fs)
CPUS := 1
endif
FWDPORT = $(shell expr `id -u` % 5000 + 25999)
QEMUOPTS = -machine virt -bios none -kernel $K/kernel -m 128M -smp $(CPUS) -nographic
QEMUOPTS += -drive file=fs.img,if=none,format=raw,id=x0
QEMUOPTS += -device virtio-blk-device,drive=x0,bus=virtio-mmio-bus.0
ifeq ($(LAB),net)
QEMUOPTS += -netdev user,id=net0,hostfwd=udp::$(FWDPORT)-:2000 -object filter-dump,id=net0,netdev=net0,file=packets.pcap
QEMUOPTS += -device e1000,netdev=net0,bus=pcie.0
endif
qemu: $K/kernel fs.img
$(QEMU) $(QEMUOPTS)
.gdbinit: .gdbinit.tmpl-riscv
sed "s/:1234/:$(GDBPORT)/" < $^ > $@
qemu-gdb: $K/kernel .gdbinit fs.img
@echo "*** Now run 'gdb' in another window." 1>&2
$(QEMU) $(QEMUOPTS) -S $(QEMUGDB)
ifeq ($(LAB),net)
# try to generate a unique port for the echo server
SERVERPORT = $(shell expr `id -u` % 5000 + 25099)
server:
python3 server.py $(SERVERPORT)
ping:
python3 ping.py $(FWDPORT)
endif
##
## FOR testing lab grading script
##
ifneq ($(V),@)
GRADEFLAGS += -v
endif
print-gdbport:
@echo $(GDBPORT)
grade:
@echo $(MAKE) clean
@$(MAKE) clean || \
(echo "'make clean' failed. HINT: Do you have another running instance of xv6?" && exit 1)
./grade-lab-$(LAB) $(GRADEFLAGS)
##
## FOR web handin
##
WEBSUB := https://6828.scripts.mit.edu/2021/handin.py
handin: tarball-pref myapi.key
@SUF=$(LAB); \
curl -f -F file=@lab-$$SUF-handin.tar.gz -F key=\<myapi.key $(WEBSUB)/upload \
> /dev/null || { \
echo ; \
echo Submit seems to have failed.; \
echo Please go to $(WEBSUB)/ and upload the tarball manually.; }
handin-check:
@if ! test -d .git; then \
echo No .git directory, is this a git repository?; \
false; \
fi
@if test "$$(git symbolic-ref HEAD)" != refs/heads/$(LAB); then \
git branch; \
read -p "You are not on the $(LAB) branch. Hand-in the current branch? [y/N] " r; \
test "$$r" = y; \
fi
@if ! git diff-files --quiet || ! git diff-index --quiet --cached HEAD; then \
git status -s; \
echo; \
echo "You have uncomitted changes. Please commit or stash them."; \
false; \
fi
@if test -n "`git status -s`"; then \
git status -s; \
read -p "Untracked files will not be handed in. Continue? [y/N] " r; \
test "$$r" = y; \
fi
UPSTREAM := $(shell git remote -v | grep -m 1 "xv6-labs-2021" | awk '{split($$0,a," "); print a[1]}')
tarball: handin-check
git archive --format=tar HEAD | gzip > lab-$(LAB)-handin.tar.gz
tarball-pref: handin-check
@SUF=$(LAB); \
git archive --format=tar HEAD > lab-$$SUF-handin.tar; \
git diff $(UPSTREAM)/$(LAB) > /tmp/lab-$$SUF-diff.patch; \
tar -rf lab-$$SUF-handin.tar /tmp/lab-$$SUF-diff.patch; \
gzip -c lab-$$SUF-handin.tar > lab-$$SUF-handin.tar.gz; \
rm lab-$$SUF-handin.tar; \
rm /tmp/lab-$$SUF-diff.patch; \
myapi.key:
@echo Get an API key for yourself by visiting $(WEBSUB)/
@read -p "Please enter your API key: " k; \
if test `echo "$$k" |tr -d '\n' |wc -c` = 32 ; then \
TF=`mktemp -t tmp.XXXXXX`; \
if test "x$$TF" != "x" ; then \
echo "$$k" |tr -d '\n' > $$TF; \
mv -f $$TF $@; \
else \
echo mktemp failed; \
false; \
fi; \
else \
echo Bad API key: $$k; \
echo An API key should be 32 characters long.; \
false; \
fi;
.PHONY: handin tarball tarball-pref clean grade handin-check