-
Notifications
You must be signed in to change notification settings - Fork 330
/
run.py
1170 lines (1059 loc) · 51.4 KB
/
run.py
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
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
"""
Copyright 2019 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
Regression script for RISC-V random instruction generator
"""
import argparse
import os
import random
import re
import sys
import logging
from scripts.lib import *
from scripts.spike_log_to_trace_csv import *
from scripts.ovpsim_log_to_trace_csv import *
from scripts.whisper_log_trace_csv import *
from scripts.sail_log_to_trace_csv import *
from scripts.instr_trace_compare import *
from types import SimpleNamespace
LOGGER = logging.getLogger()
class SeedGen:
"""An object that will generate a pseudo-random seed for test iterations"""
def __init__(self, start_seed, fixed_seed, seed_yaml):
# These checks are performed with proper error messages at argument
# parsing time, but it can't hurt to do a belt-and-braces check here too.
assert fixed_seed is None or start_seed is None
self.fixed_seed = fixed_seed
self.start_seed = start_seed
self.rerun_seed = {} if seed_yaml is None else read_yaml(seed_yaml)
def get(self, test_id, test_iter):
"""Get the seed to use for the given test and iteration"""
if test_id in self.rerun_seed:
# Note that test_id includes the iteration index (well, the batch
# index, at any rate), so this makes sense even if test_iter > 0.
return self.rerun_seed[test_id]
if self.fixed_seed is not None:
# Checked at argument parsing time
assert test_iter == 0
return self.fixed_seed
if self.start_seed is not None:
return self.start_seed + test_iter
# If the user didn't specify seeds in some way, we generate a random
# seed every time
return random.getrandbits(31)
def get_generator_cmd(simulator, simulator_yaml, cov, exp, debug_cmd):
""" Setup the compile and simulation command for the generator
Args:
simulator : RTL/pyflow simulator used to run instruction generator
simulator_yaml : RTL/pyflow simulator configuration file in YAML format
cov : Enable functional coverage
exp : Use experimental version
debug_cmd : Produce the debug cmd log without running
Returns:
compile_cmd : RTL/pyflow simulator command to compile the instruction
generator
sim_cmd : RTL/pyflow simulator command to run the instruction
generator
"""
logging.info("Processing simulator setup file : {}".format(simulator_yaml))
yaml_data = read_yaml(simulator_yaml)
# Search for matched simulator
for entry in yaml_data:
if entry['tool'] == simulator:
logging.info("Found matching simulator: {}".format(entry['tool']))
if simulator == "pyflow":
compile_cmd = ""
else:
compile_spec = entry['compile']
compile_cmd = compile_spec['cmd']
for i in range(len(compile_cmd)):
if ('cov_opts' in compile_spec) and cov:
compile_cmd[i] = re.sub('<cov_opts>', compile_spec[
'cov_opts'].rstrip(), compile_cmd[i])
else:
compile_cmd[i] = re.sub('<cov_opts>', '',
compile_cmd[i])
if exp:
compile_cmd[i] += " +define+EXPERIMENTAL "
sim_cmd = entry['sim']['cmd']
if ('cov_opts' in entry['sim']) and cov:
sim_cmd = re.sub('<cov_opts>',
entry['sim']['cov_opts'].rstrip(), sim_cmd)
else:
sim_cmd = re.sub('<cov_opts>', '', sim_cmd)
if 'env_var' in entry:
for env_var in entry['env_var'].split(','):
for i in range(len(compile_cmd)):
compile_cmd[i] = re.sub(
"<" + env_var + ">", get_env_var(env_var, debug_cmd=debug_cmd),
compile_cmd[i])
sim_cmd = re.sub(
"<" + env_var + ">", get_env_var(env_var, debug_cmd=debug_cmd),
sim_cmd)
return compile_cmd, sim_cmd
logging.error("Cannot find simulator {}".format(simulator))
sys.exit(RET_FAIL)
def parse_iss_yaml(iss, iss_yaml, isa, setting_dir, debug_cmd):
"""Parse ISS YAML to get the simulation command
Args:
iss : target ISS used to look up in ISS YAML
iss_yaml : ISS configuration file in YAML format
isa : ISA variant passed to the ISS
setting_dir : Generator setting directory
debug_cmd : Produce the debug cmd log without running
Returns:
cmd : ISS run command
"""
logging.info("Processing ISS setup file : {}".format(iss_yaml))
yaml_data = read_yaml(iss_yaml)
# Path to the "yaml" subdirectory
yaml_dir = os.path.dirname(iss_yaml)
# Path to the "scripts" subdirectory
my_path = os.path.dirname(os.path.realpath(__file__))
scripts_dir = os.path.join(my_path, "scripts") # Search for matched ISS
# Search for matched ISS
for entry in yaml_data:
if entry['iss'] == iss:
logging.info("Found matching ISS: {}".format(entry['iss']))
cmd = entry['cmd'].rstrip()
cmd = re.sub("\<path_var\>",
get_env_var(entry['path_var'], debug_cmd=debug_cmd),
cmd)
m = re.search(r"rv(?P<xlen>[0-9]+?)(?P<variant>[a-zA-Z_]+?)$", isa)
if m:
cmd = re.sub("\<xlen\>", m.group('xlen'), cmd)
else:
logging.error("Illegal ISA {}".format(isa))
if iss == "ovpsim":
cmd = re.sub("\<cfg_path\>", setting_dir, cmd)
elif iss == "whisper":
if m:
# TODO: Support u/s mode
variant = re.sub('g', 'imafd', m.group('variant'))
cmd = re.sub("\<variant\>", variant, cmd)
else:
cmd = re.sub("\<variant\>", isa, cmd)
cmd = re.sub("\<scripts_path\>", scripts_dir, cmd)
cmd = re.sub("\<config_path\>", yaml_dir, cmd)
return cmd
logging.error("Cannot find ISS {}".format(iss))
sys.exit(RET_FAIL)
def get_iss_cmd(base_cmd, elf, log):
"""Get the ISS simulation command
Args:
base_cmd : Original command template
elf : ELF file to run ISS simualtion
log : ISS simulation log name
Returns:
cmd : Command for ISS simulation
"""
cmd = re.sub("\<elf\>", elf, base_cmd)
cmd += (" &> {}".format(log))
return cmd
def do_compile(compile_cmd, test_list, core_setting_dir, cwd, ext_dir,
cmp_opts, output_dir, debug_cmd, lsf_cmd):
"""Compile the instruction generator
Args:
compile_cmd : Compile command for the generator
test_list : List of assembly programs to be compiled
core_setting_dir : Path for riscv_core_setting.sv
cwd : Filesystem path to RISCV-DV repo
ext_dir : User extension directory
cmp_opts : Compile options for the generator
output_dir : Output directory of the ELF files
debug_cmd : Produce the debug cmd log without running
lsf_cmd : LSF command used to run the instruction generator
"""
if not ((len(test_list) == 1) and (
test_list[0]['test'] == 'riscv_csr_test')):
logging.info("Building RISC-V instruction generator")
for cmd in compile_cmd:
cmd = re.sub("<out>", os.path.abspath(output_dir), cmd)
cmd = re.sub("<setting>", core_setting_dir, cmd)
if ext_dir == "":
cmd = re.sub("<user_extension>", "<cwd>/user_extension", cmd)
else:
cmd = re.sub("<user_extension>", ext_dir, cmd)
cmd = re.sub("<cwd>", cwd, cmd)
cmd = re.sub("<cmp_opts>", cmp_opts, cmd)
if lsf_cmd:
cmd = lsf_cmd + " " + cmd
run_parallel_cmd([cmd], debug_cmd=debug_cmd)
else:
logging.debug("Compile command: {}".format(cmd))
run_cmd(cmd, debug_cmd=debug_cmd)
def run_csr_test(cmd_list, cwd, csr_file, isa, iterations, lsf_cmd,
end_signature_addr, timeout_s, output_dir, debug_cmd):
"""Run CSR test
It calls a separate python script to generate directed CSR test code,
located at scripts/gen_csr_test.py.
"""
cmd = "python3 " + cwd + "/scripts/gen_csr_test.py" + \
(" --csr_file {}".format(csr_file)) + \
(" --xlen {}".format(
re.search(r"(?P<xlen>[0-9]+)", isa).group("xlen"))) + \
(" --iterations {}".format(iterations)) + \
(" --out {}/asm_test".format(output_dir)) + \
(" --end_signature_addr {}".format(end_signature_addr))
if lsf_cmd:
cmd_list.append(cmd)
else:
run_cmd(cmd, timeout_s, debug_cmd=debug_cmd)
def do_simulate(sim_cmd, simulator, test_list, cwd, sim_opts, seed_gen,
csr_file,
isa, end_signature_addr, lsf_cmd, timeout_s, log_suffix,
batch_size, output_dir, verbose, check_return_code, debug_cmd, target):
"""Run the instruction generator
Args:
sim_cmd : Simulate command for the generator
simulator : simulator used to run instruction generator
test_list : List of assembly programs to be compiled
cwd : Filesystem path to RISCV-DV repo
sim_opts : Simulation options for the generator
seed_gen : A SeedGen seed generator
csr_file : YAML file containing description of all CSRs
isa : Processor supported ISA subset
end_signature_addr : Address that tests will write pass/fail signature to at end of test
lsf_cmd : LSF command used to run the instruction generator
timeout_s : Timeout limit in seconds
log_suffix : Simulation log file name suffix
batch_size : Number of tests to generate per run
output_dir : Output directory of the ELF files
verbose : Verbose logging
check_return_code : Check return code of the command
debug_cmd : Produce the debug cmd log without running
"""
cmd_list = []
sim_cmd = re.sub("<out>", os.path.abspath(output_dir), sim_cmd)
sim_cmd = re.sub("<cwd>", cwd, sim_cmd)
sim_cmd = re.sub("<sim_opts>", sim_opts, sim_cmd)
logging.info("Running RISC-V instruction generator")
sim_seed = {}
for test in test_list:
iterations = test['iterations']
logging.info("Generating {} {}".format(iterations, test['test']))
if iterations > 0:
# Running a CSR test
if test['test'] == 'riscv_csr_test':
run_csr_test(cmd_list, cwd, csr_file, isa, iterations, lsf_cmd,
end_signature_addr, timeout_s, output_dir,
debug_cmd)
else:
batch_cnt = 1
if batch_size > 0:
batch_cnt = int((iterations + batch_size - 1) / batch_size)
logging.info(
"Running {} with {} batches".format(test['test'],
batch_cnt))
for i in range(0, batch_cnt):
test_id = '{}_{}'.format(test['test'], i)
rand_seed = seed_gen.get(test_id, i * batch_cnt)
if i < batch_cnt - 1:
test_cnt = batch_size
else:
test_cnt = iterations - i * batch_size
if simulator == "pyflow":
sim_cmd = re.sub("<test_name>", test['gen_test'],
sim_cmd)
cmd = lsf_cmd + " " + sim_cmd.rstrip() + \
(" --num_of_tests={}".format(test_cnt)) + \
(" --start_idx={}".format(i * batch_size)) + \
(" --asm_file_name={}/asm_test/{}".format(
output_dir, test['test'])) + \
(" --log_file_name={}/sim_{}_{}{}.log ".format(
output_dir,
test['test'], i, log_suffix)) + \
(" --target=%s " % (target)) + \
(" --gen_test=%s " % (test['gen_test'])) + \
(" --seed={} ".format(rand_seed))
else:
cmd = lsf_cmd + " " + sim_cmd.rstrip() + \
(" +UVM_TESTNAME={} ".format(test['gen_test'])) + \
(" +num_of_tests={} ".format(test_cnt)) + \
(" +start_idx={} ".format(i * batch_size)) + \
(" +asm_file_name={}/asm_test/{} ".format(
output_dir, test['test'])) + \
(" -l {}/sim_{}_{}{}.log ".format(
output_dir, test['test'], i, log_suffix))
if verbose and simulator != "pyflow":
cmd += "+UVM_VERBOSITY=UVM_HIGH "
cmd = re.sub("<seed>", str(rand_seed), cmd)
cmd = re.sub("<test_id>", test_id, cmd)
sim_seed[test_id] = str(rand_seed)
if "gen_opts" in test:
if simulator == "pyflow":
test['gen_opts'] = re.sub("\+", "--",
test['gen_opts'])
cmd += test['gen_opts']
else:
cmd += test['gen_opts']
if not re.search("c", isa):
cmd += "+disable_compressed_instr=1 "
if lsf_cmd:
cmd_list.append(cmd)
else:
logging.info(
"Running {}, batch {}/{}, test_cnt:{}".format(
test['test'], i + 1, batch_cnt, test_cnt))
run_cmd(cmd, timeout_s,
check_return_code=check_return_code,
debug_cmd=debug_cmd)
if sim_seed:
with open(('{}/seed.yaml'.format(os.path.abspath(output_dir))),
'w') as outfile:
yaml.dump(sim_seed, outfile, default_flow_style=False)
if lsf_cmd:
run_parallel_cmd(cmd_list, timeout_s,
check_return_code=check_return_code,
debug_cmd=debug_cmd)
def gen(test_list, argv, output_dir, cwd):
"""Run the instruction generator
Args:
test_list : List of assembly programs to be compiled
argv : Configuration arguments
output_dir : Output directory of the ELF files
cwd : Filesystem path to RISCV-DV repo
"""
check_return_code = True
if argv.simulator == "ius":
# Incisive return non-zero return code even test passes
check_return_code = False
logging.debug(
"Disable return_code checking for {}".format(argv.simulator))
# Mutually exclusive options between compile_only and sim_only
if argv.co and argv.so:
logging.error("argument -co is not allowed with argument -so")
return
if argv.co == 0 and len(test_list) == 0:
return
# Setup the compile and simulation command for the generator
compile_cmd, sim_cmd = get_generator_cmd(argv.simulator,
argv.simulator_yaml, argv.cov,
argv.exp, argv.debug)
# Compile the instruction generator
# No compilation process in pyflow simulator
if not argv.so:
do_compile(compile_cmd, test_list, argv.core_setting_dir, cwd,
argv.user_extension_dir,
argv.cmp_opts, output_dir, argv.debug, argv.lsf_cmd)
# Run the instruction generator
if not argv.co:
seed_gen = SeedGen(argv.start_seed, argv.seed, argv.seed_yaml)
if argv.simulator == 'pyflow':
"""Default timeout of Pyflow is 20 minutes, if the user
doesn't specified their own gen_timeout value from CMD
"""
if argv.gen_timeout == 360:
gen_timeout = 1200
else:
gen_timeout = argv.gen_timeout
else:
gen_timeout = argv.gen_timeout
do_simulate(sim_cmd, argv.simulator, test_list, cwd, argv.sim_opts,
seed_gen,
argv.csr_yaml, argv.isa, argv.end_signature_addr,
argv.lsf_cmd,
gen_timeout, argv.log_suffix, argv.batch_size,
output_dir,
argv.verbose, check_return_code, argv.debug, argv.target)
def gcc_compile(test_list, output_dir, isa, mabi, opts, debug_cmd):
"""Use riscv gcc toolchain to compile the assembly program
Args:
test_list : List of assembly programs to be compiled
output_dir : Output directory of the ELF files
isa : ISA variant passed to GCC
mabi : MABI variant passed to GCC
debug_cmd : Produce the debug cmd log without running
"""
cwd = os.path.dirname(os.path.realpath(__file__))
for test in test_list:
for i in range(0, test['iterations']):
if 'no_gcc' in test and test['no_gcc'] == 1:
continue
prefix = ("{}/asm_test/{}_{}".format(output_dir, test['test'], i))
asm = prefix + ".S"
elf = prefix + ".o"
binary = prefix + ".bin"
test_isa = isa
if not os.path.isfile(asm) and not debug_cmd:
logging.error("Cannot find assembly test: {}\n".format(asm))
sys.exit(RET_FAIL)
# gcc compilation
cmd = ("{} -static -mcmodel=medany \
-fvisibility=hidden -nostdlib \
-nostartfiles {} \
-I{}/user_extension \
-T{}/scripts/link.ld {} -o {} ".format(
get_env_var("RISCV_GCC", debug_cmd=debug_cmd), asm, cwd,
cwd, opts, elf))
if 'gcc_opts' in test:
cmd += test['gcc_opts']
if 'gen_opts' in test:
# Disable compressed instruction
if re.search('disable_compressed_instr', test['gen_opts']):
test_isa = re.sub("c", "", test_isa)
# If march/mabi is not defined in the test gcc_opts, use the default
# setting from the command line.
if not re.search('march', cmd):
cmd += (" -march={}".format(test_isa))
if not re.search('mabi', cmd):
cmd += (" -mabi={}".format(mabi))
logging.info("Compiling {}".format(asm))
run_cmd_output(cmd.split(), debug_cmd=debug_cmd)
# Convert the ELF to plain binary, used in RTL sim
logging.info("Converting to {}".format(binary))
cmd = ("{} -O binary {} {}".format(
get_env_var("RISCV_OBJCOPY", debug_cmd=debug_cmd), elf, binary))
run_cmd_output(cmd.split(), debug_cmd=debug_cmd)
def run_assembly(asm_test, iss_yaml, isa, mabi, gcc_opts, iss_opts, output_dir,
setting_dir, debug_cmd):
"""Run a directed assembly test with ISS
Args:
asm_test : Assembly test file
iss_yaml : ISS configuration file in YAML format
isa : ISA variant passed to the ISS
mabi : MABI variant passed to GCC
gcc_opts : User-defined options for GCC compilation
iss_opts : Instruction set simulators
output_dir : Output directory of compiled test files
setting_dir : Generator setting directory
debug_cmd : Produce the debug cmd log without running
"""
if not asm_test.endswith(".S"):
logging.error("{} is not an assembly .S file".format(asm_test))
return
cwd = os.path.dirname(os.path.realpath(__file__))
asm_test = os.path.expanduser(asm_test)
report = ("{}/iss_regr.log".format(output_dir)).rstrip()
asm = re.sub(r"^.*\/", "", asm_test)
asm = re.sub(r"\.S$", "", asm)
prefix = ("{}/directed_asm_test/{}".format(output_dir, asm))
elf = prefix + ".o"
binary = prefix + ".bin"
iss_list = iss_opts.split(",")
run_cmd("mkdir -p {}/directed_asm_test".format(output_dir))
logging.info("Compiling assembly test : {}".format(asm_test))
# gcc compilation
cmd = ("{} -static -mcmodel=medany \
-fvisibility=hidden -nostdlib \
-nostartfiles {} \
-I{}/user_extension \
-T{}/scripts/link.ld {} -o {} ".format(
get_env_var("RISCV_GCC", debug_cmd=debug_cmd), asm_test, cwd,
cwd, gcc_opts, elf))
cmd += (" -march={}".format(isa))
cmd += (" -mabi={}".format(mabi))
run_cmd_output(cmd.split(), debug_cmd=debug_cmd)
# Convert the ELF to plain binary, used in RTL sim
logging.info("Converting to {}".format(binary))
cmd = ("{} -O binary {} {}".format(
get_env_var("RISCV_OBJCOPY", debug_cmd=debug_cmd), elf, binary))
run_cmd_output(cmd.split(), debug_cmd=debug_cmd)
log_list = []
# ISS simulation
for iss in iss_list:
run_cmd("mkdir -p {}/{}_sim".format(output_dir, iss))
log = ("{}/{}_sim/{}.log".format(output_dir, iss, asm))
log_list.append(log)
base_cmd = parse_iss_yaml(iss, iss_yaml, isa, setting_dir, debug_cmd)
logging.info("[{}] Running ISS simulation: {}".format(iss, elf))
cmd = get_iss_cmd(base_cmd, elf, log)
run_cmd(cmd, 10, debug_cmd=debug_cmd)
logging.info("[{}] Running ISS simulation: {} ...done".format(iss, elf))
if len(iss_list) == 2:
compare_iss_log(iss_list, log_list, report)
def run_assembly_from_dir(asm_test_dir, iss_yaml, isa, mabi, gcc_opts, iss,
output_dir, setting_dir, debug_cmd):
"""Run a directed assembly test from a directory with spike
Args:
asm_test_dir : Assembly test file directory
iss_yaml : ISS configuration file in YAML format
isa : ISA variant passed to the ISS
mabi : MABI variant passed to GCC
gcc_opts : User-defined options for GCC compilation
iss : Instruction set simulators
output_dir : Output directory of compiled test files
setting_dir : Generator setting directory
debug_cmd : Produce the debug cmd log without running
"""
result = run_cmd("find {} -name \"*.S\"".format(asm_test_dir))
if result:
asm_list = result.splitlines()
logging.info("Found {} assembly tests under {}".format(
len(asm_list), asm_test_dir))
for asm_file in asm_list:
run_assembly(asm_file, iss_yaml, isa, mabi, gcc_opts, iss,
output_dir,
setting_dir, debug_cmd)
if "," in iss:
report = ("{}/iss_regr.log".format(output_dir)).rstrip()
save_regr_report(report)
else:
logging.error(
"No assembly test(*.S) found under {}".format(asm_test_dir))
def run_c(c_test, iss_yaml, isa, mabi, gcc_opts, iss_opts, output_dir,
setting_dir, debug_cmd):
"""Run a directed c test with ISS
Args:
c_test : C test file
iss_yaml : ISS configuration file in YAML format
isa : ISA variant passed to the ISS
mabi : MABI variant passed to GCC
gcc_opts : User-defined options for GCC compilation
iss_opts : Instruction set simulators
output_dir : Output directory of compiled test files
setting_dir : Generator setting directory
debug_cmd : Produce the debug cmd log without running
"""
if not c_test.endswith(".c"):
logging.error("{} is not a .c file".format(c_test))
return
cwd = os.path.dirname(os.path.realpath(__file__))
c_test = os.path.expanduser(c_test)
report = ("{}/iss_regr.log".format(output_dir)).rstrip()
c = re.sub(r"^.*\/", "", c_test)
c = re.sub(r"\.c$", "", c)
prefix = ("{}/directed_c_test/{}".format(output_dir, c))
elf = prefix + ".o"
binary = prefix + ".bin"
iss_list = iss_opts.split(",")
run_cmd("mkdir -p {}/directed_c_test".format(output_dir))
logging.info("Compiling c test : {}".format(c_test))
# gcc compilation
cmd = ("{} -mcmodel=medany -nostdlib \
-nostartfiles {} \
-I{}/user_extension \
-T{}/scripts/link.ld {} -o {} ".format(
get_env_var("RISCV_GCC", debug_cmd=debug_cmd), c_test, cwd,
cwd, gcc_opts, elf))
cmd += (" -march={}".format(isa))
cmd += (" -mabi={}".format(mabi))
run_cmd_output(cmd.split(), debug_cmd=debug_cmd)
# Convert the ELF to plain binary, used in RTL sim
logging.info("Converting to {}".format(binary))
cmd = ("{} -O binary {} {}".format(
get_env_var("RISCV_OBJCOPY", debug_cmd=debug_cmd), elf, binary))
run_cmd_output(cmd.split(), debug_cmd=debug_cmd)
log_list = []
# ISS simulation
for iss in iss_list:
run_cmd("mkdir -p {}/{}_sim".format(output_dir, iss))
log = ("{}/{}_sim/{}.log".format(output_dir, iss, c))
log_list.append(log)
base_cmd = parse_iss_yaml(iss, iss_yaml, isa, setting_dir, debug_cmd)
logging.info("[{}] Running ISS simulation: {}".format(iss, elf))
cmd = get_iss_cmd(base_cmd, elf, log)
run_cmd(cmd, 10, debug_cmd=debug_cmd)
logging.info("[{}] Running ISS simulation: {} ...done".format(iss, elf))
if len(iss_list) == 2:
compare_iss_log(iss_list, log_list, report)
def run_c_from_dir(c_test_dir, iss_yaml, isa, mabi, gcc_opts, iss,
output_dir, setting_dir, debug_cmd):
"""Run a directed c test from a directory with spike
Args:
c_test_dir : C test file directory
iss_yaml : ISS configuration file in YAML format
isa : ISA variant passed to the ISS
mabi : MABI variant passed to GCC
gcc_opts : User-defined options for GCC compilation
iss : Instruction set simulators
output_dir : Output directory of compiled test files
setting_dir : Generator setting directory
debug_cmd : Produce the debug cmd log without running
"""
result = run_cmd("find {} -name \"*.c\"".format(c_test_dir))
if result:
c_list = result.splitlines()
logging.info("Found {} c tests under {}".format(len(c_list), c_test_dir))
for c_file in c_list:
run_c(c_file, iss_yaml, isa, mabi, gcc_opts, iss, output_dir,
setting_dir, debug_cmd)
if "," in iss:
report = ("{}/iss_regr.log".format(output_dir)).rstrip()
save_regr_report(report)
else:
logging.error("No c test(*.c) found under {}".format(c_test_dir))
def iss_sim(test_list, output_dir, iss_list, iss_yaml, iss_opts,
isa, setting_dir, timeout_s, debug_cmd):
"""Run ISS simulation with the generated test program
Args:
test_list : List of assembly programs to be compiled
output_dir : Output directory of the ELF files
iss_list : List of instruction set simulators
iss_yaml : ISS configuration file in YAML format
iss_opts : ISS command line options
isa : ISA variant passed to the ISS
setting_dir : Generator setting directory
timeout_s : Timeout limit in seconds
debug_cmd : Produce the debug cmd log without running
"""
for iss in iss_list.split(","):
log_dir = ("{}/{}_sim".format(output_dir, iss))
base_cmd = parse_iss_yaml(iss, iss_yaml, isa, setting_dir, debug_cmd)
logging.info("{} sim log dir: {}".format(iss, log_dir))
run_cmd_output(["mkdir", "-p", log_dir])
for test in test_list:
if 'no_iss' in test and test['no_iss'] == 1:
continue
else:
for i in range(0, test['iterations']):
prefix = ("{}/asm_test/{}_{}".format(
output_dir, test['test'], i))
elf = prefix + ".o"
log = ("{}/{}_{}.log".format(log_dir, test['test'], i))
cmd = get_iss_cmd(base_cmd, elf, log)
if 'iss_opts' in test:
cmd += ' '
cmd += test['iss_opts']
logging.info("Running {} sim: {}".format(iss, elf))
if iss == "ovpsim":
run_cmd(cmd, timeout_s, debug_cmd=debug_cmd)
else:
run_cmd(cmd, timeout_s, debug_cmd=debug_cmd)
logging.debug(cmd)
def iss_cmp(test_list, iss, output_dir, stop_on_first_error, exp, debug_cmd):
"""Compare ISS simulation reult
Args:
test_list : List of assembly programs to be compiled
iss : List of instruction set simulators
output_dir : Output directory of the ELF files
stop_on_first_error : will end run on first error detected
exp : Use experimental version
debug_cmd : Produce the debug cmd log without running
"""
if debug_cmd:
return
iss_list = iss.split(",")
if len(iss_list) != 2:
return
report = ("{}/iss_regr.log".format(output_dir)).rstrip()
run_cmd("rm -rf {}".format(report))
for test in test_list:
for i in range(0, test['iterations']):
elf = ("{}/asm_test/{}_{}.o".format(output_dir, test['test'], i))
logging.info("Comparing ISS sim result {}/{} : {}".format(
iss_list[0], iss_list[1], elf))
log_list = []
run_cmd(("echo 'Test binary: {}' >> {}".format(elf, report)))
for iss in iss_list:
log_list.append(
"{}/{}_sim/{}.{}.log".format(output_dir, iss, test['test'], i))
compare_iss_log(iss_list, log_list, report, stop_on_first_error,
exp)
save_regr_report(report)
def compare_iss_log(iss_list, log_list, report, stop_on_first_error=0,
exp=False):
if len(iss_list) != 2 or len(log_list) != 2:
logging.error("Only support comparing two ISS logs")
else:
csv_list = []
for i in range(2):
log = log_list[i]
csv = log.replace(".log", ".csv")
iss = iss_list[i]
csv_list.append(csv)
if iss == "spike":
process_spike_sim_log(log, csv)
elif iss == "ovpsim":
process_ovpsim_sim_log(log, csv, stop_on_first_error)
elif iss == "sail":
process_sail_sim_log(log, csv)
elif iss == "whisper":
process_whisper_sim_log(log, csv)
else:
logging.error("Unsupported ISS {}".format(iss))
sys.exit(RET_FAIL)
result = compare_trace_csv(csv_list[0], csv_list[1], iss_list[0],
iss_list[1], report)
logging.info(result)
def save_regr_report(report):
passed_cnt = run_cmd("grep PASSED {} | wc -l".format(report)).strip()
failed_cnt = run_cmd("grep FAILED {} | wc -l".format(report)).strip()
summary = ("{} PASSED, {} FAILED".format(passed_cnt, failed_cnt))
logging.info(summary)
run_cmd(("echo {} >> {}".format(summary, report)))
logging.info("ISS regression report is saved to {}".format(report))
def read_seed(arg):
"""Read --seed or --seed_start"""
try:
seed = int(arg)
if seed < 0:
raise ValueError('bad seed')
return seed
except ValueError:
raise argparse.ArgumentTypeError('Bad seed ({}): '
'must be a non-negative integer.'
.format(arg))
def parse_args(cwd):
"""Create a command line parser.
Returns: The created parser.
"""
# Parse input arguments
parser = argparse.ArgumentParser()
parser.add_argument("--target", type=str, default="rv32imc",
help="Run the generator with pre-defined targets: \
rv32imc, rv32i, rv32imafdc, rv64imc, rv64gc, \
rv64imafdc")
parser.add_argument("-o", "--output", type=str,
help="Output directory name", dest="o")
parser.add_argument("-tl", "--testlist", type=str, default="",
help="Regression testlist", dest="testlist")
parser.add_argument("-tn", "--test", type=str, default="all",
help="Test name, 'all' means all tests in the list",
dest="test")
parser.add_argument("-i", "--iterations", type=int, default=0,
help="Override the iteration count in the test list",
dest="iterations")
parser.add_argument("-si", "--simulator", type=str, default="vcs",
help="Simulator used to run the generator, default VCS",
dest="simulator")
parser.add_argument("--iss", type=str, default="spike",
help="RISC-V instruction set simulator: spike,ovpsim,sail")
parser.add_argument("-v", "--verbose", dest="verbose", action="store_true",
default=False,
help="Verbose logging")
parser.add_argument("--co", dest="co", action="store_true", default=False,
help="Compile the generator only")
parser.add_argument("--cov", dest="cov", action="store_true", default=False,
help="Enable functional coverage")
parser.add_argument("--so", dest="so", action="store_true", default=False,
help="Simulate the generator only")
parser.add_argument("--cmp_opts", type=str, default="",
help="Compile options for the generator")
parser.add_argument("--sim_opts", type=str, default="",
help="Simulation options for the generator")
parser.add_argument("--gcc_opts", type=str, default="",
help="GCC compile options")
parser.add_argument("-s", "--steps", type=str, default="all",
help="Run steps: gen,gcc_compile,iss_sim,iss_cmp",
dest="steps")
parser.add_argument("--lsf_cmd", type=str, default="",
help="LSF command. Run in local sequentially if lsf \
command is not specified")
parser.add_argument("--isa", type=str, default="",
help="RISC-V ISA subset")
parser.add_argument("-m", "--mabi", type=str, default="",
help="mabi used for compilation", dest="mabi")
parser.add_argument("--gen_timeout", type=int, default=360,
help="Generator timeout limit in seconds")
parser.add_argument("--end_signature_addr", type=str, default="0",
help="Address that privileged CSR test writes to at EOT")
parser.add_argument("--iss_opts", type=str, default="",
help="Any ISS command line arguments")
parser.add_argument("--iss_timeout", type=int, default=10,
help="ISS sim timeout limit in seconds")
parser.add_argument("--iss_yaml", type=str, default="",
help="ISS setting YAML")
parser.add_argument("--simulator_yaml", type=str, default="",
help="RTL/pyflow simulator setting YAML")
parser.add_argument("--csr_yaml", type=str, default="",
help="CSR description file")
parser.add_argument("-ct", "--custom_target", type=str, default="",
help="Directory name of the custom target")
parser.add_argument("-cs", "--core_setting_dir", type=str, default="",
help="Path for the riscv_core_setting.sv")
parser.add_argument("-ext", "--user_extension_dir", type=str, default="",
help="Path for the user extension directory")
parser.add_argument("--asm_test", type=str, default="",
help="Directed assembly tests")
parser.add_argument("--c_test", type=str, default="",
help="Directed c tests")
parser.add_argument("--log_suffix", type=str, default="",
help="Simulation log name suffix")
parser.add_argument("--exp", action="store_true", default=False,
help="Run generator with experimental features")
parser.add_argument("-bz", "--batch_size", type=int, default=0,
help="Number of tests to generate per run. You can split a big"
" job to small batches with this option")
parser.add_argument("--stop_on_first_error", dest="stop_on_first_error",
action="store_true", default=False,
help="Stop on detecting first error")
parser.add_argument("--noclean", action="store_true", default=True,
help="Do not clean the output of the previous runs")
parser.add_argument("--verilog_style_check", action="store_true",
default=False,
help="Run verilog style check")
parser.add_argument("-d", "--debug", type=str, default="",
help="Generate debug command log file")
rsg = parser.add_argument_group('Random seeds',
'To control random seeds, use at most one '
'of the --start_seed, --seed or --seed_yaml '
'arguments. Since the latter two only give '
'a single seed for each test, they imply '
'--iterations=1.')
rsg.add_argument("--start_seed", type=read_seed,
help=("Randomization seed to use for first iteration of "
"each test. Subsequent iterations use seeds "
"counting up from there. Cannot be used with "
"--seed or --seed_yaml."))
rsg.add_argument("--seed", type=read_seed,
help=("Randomization seed to use for each test. "
"Implies --iterations=1. Cannot be used with "
"--start_seed or --seed_yaml."))
rsg.add_argument("--seed_yaml", type=str,
help=("Rerun the generator with the seed specification "
"from a prior regression. Implies --iterations=1. "
"Cannot be used with --start_seed or --seed."))
args = parser.parse_args()
if args.seed is not None and args.start_seed is not None:
logging.error('--start_seed and --seed are mutually exclusive.')
sys.exit(RET_FAIL)
if args.seed is not None:
if args.iterations == 0:
args.iterations = 1
elif args.iterations > 1:
logging.error('--seed is incompatible with setting --iterations '
'greater than 1.')
sys.exit(RET_FAIL)
# We've parsed all the arguments from the command line; default values
# can be set in the config file. Read that here.
load_config(args, cwd)
return args
def load_config(args, cwd):
"""
Load configuration from the command line and the configuration file.
Args:
args: Parsed command-line configuration
Returns:
Loaded configuration dictionary.
"""
if args.debug:
args.debug = open(args.debug, "w")
if not args.csr_yaml:
args.csr_yaml = cwd + "/yaml/csr_template.yaml"
if not args.iss_yaml:
args.iss_yaml = cwd + "/yaml/iss.yaml"
if not args.simulator_yaml:
args.simulator_yaml = cwd + "/yaml/simulator.yaml"
# Keep the core_setting_dir option to be backward compatible, suggest to use
# --custom_target
if args.core_setting_dir:
if not args.custom_target:
args.custom_target = args.core_setting_dir
else:
args.core_setting_dir = args.custom_target
if not args.custom_target:
if not args.testlist:
args.testlist = cwd + "/target/" + args.target + "/testlist.yaml"
if args.simulator == "pyflow":
args.core_setting_dir = cwd + "/pygen/pygen_src/target/" + args.target
else:
args.core_setting_dir = cwd + "/target/" + args.target
if args.target == "rv32imc":
args.mabi = "ilp32"
args.isa = "rv32imc"
elif args.target == "rv32imafdc":
args.mabi = "ilp32"
args.isa = "rv32imafdc"
elif args.target == "rv32imc_sv32":
args.mabi = "ilp32"
args.isa = "rv32imc"
elif args.target == "multi_harts":
args.mabi = "ilp32"
args.isa = "rv32gc"
elif args.target == "rv32imcb":
args.mabi = "ilp32"
args.isa = "rv32imcb"
elif args.target == "rv32i":
args.mabi = "ilp32"
args.isa = "rv32i"
elif args.target == "rv64imc":
args.mabi = "lp64"
args.isa = "rv64imc"
elif args.target == "rv64imcb":
args.mabi = "lp64"
args.isa = "rv64imcb"
elif args.target == "rv64gc":
args.mabi = "lp64"
args.isa = "rv64gc"
elif args.target == "rv64gcv":
args.mabi = "lp64"
args.isa = "rv64gcv"
elif args.target == "ml":
args.mabi = "lp64"
args.isa = "rv64imc"
elif args.target == "rv64imafdc":
args.mabi = "lp64"
args.isa = "rv64imafdc"
else:
sys.exit("Unsupported pre-defined target: {}".format(args.target))
else:
if re.match(".*gcc_compile.*", args.steps) or re.match(".*iss_sim.*",
args.steps):
if (not args.mabi) or (not args.isa):
sys.exit(
"mabi and isa must be specified for custom target {}".format(
args.custom_target))
if not args.testlist:
args.testlist = args.custom_target + "/testlist.yaml"
def main():
"""This is the main entry point."""
try:
cwd = os.path.dirname(os.path.realpath(__file__))
os.environ["RISCV_DV_ROOT"] = cwd
args = parse_args(cwd)
setup_logging(args.verbose)
# Create output directory
output_dir = create_output(args.o, args.noclean)