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run.py
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run.py
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"""
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 re
import sys
import logging
from scripts.lib import *
from scripts.verilator_log_to_trace_csv 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()
def get_generator_cmd(simulator, simulator_yaml, cov, exp, debug_cmd):
""" Setup the compile and simulation command for the generator
Args:
simulator : RTL simulator used to run instruction generator
simulator_yaml : RTL 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 simulator command to compile the instruction generator
sim_cmd : RTL simulator command to run the instruction generator
"""
logging.info("Processing simulator setup file : %s" % 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: %s" % entry['tool'])
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 RTL simulator %0s" % 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 : %s" % iss_yaml)
yaml_data = read_yaml(iss_yaml)
# Search for matched ISS
for entry in yaml_data:
if entry['iss'] == iss:
logging.info("Found matching ISS: %s" % 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-z]+?)$", isa)
if m:
cmd = re.sub("\<xlen\>", m.group('xlen'), cmd)
else:
logging.error("Illegal ISA %0s" % 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)
return cmd
logging.error("Cannot find ISS %0s" % 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 += (" &> %s" % 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
cmd_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: %s" % 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 %s" % csr_file) + \
(" --xlen %s" % re.search(r"(?P<xlen>[0-9]+)", isa).group("xlen")) + \
(" --iterations %i" % iterations) + \
(" --out %s/asm_tests" % output_dir) + \
(" --end_signature_addr %s" % 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, test_list, cwd, sim_opts, seed_yaml, seed, csr_file,
isa, end_signature_addr, lsf_cmd, timeout_s, log_suffix,
batch_size, output_dir, verbose, check_return_code, debug_cmd):
"""Run the instruction generator
Args:
sim_cmd : Simulate command for the 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_yaml : Seed specification from a prior regression
seed : Seed to the instruction 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
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)
rerun_seed = {}
if seed_yaml:
rerun_seed = read_yaml(seed_yaml)
logging.info("Running RISC-V instruction generator")
sim_seed = {}
for test in test_list:
iterations = test['iterations']
logging.info("Generating %d %s" % (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 %s with %0d batches" % (test['test'], batch_cnt))
for i in range(0, batch_cnt):
test_id = '%0s_%0d' % (test['test'], i)
if test_id in rerun_seed:
rand_seed = rerun_seed[test_id]
else:
rand_seed = get_seed(seed)
if i < batch_cnt - 1:
test_cnt = batch_size
else:
test_cnt = iterations - i * batch_size;
cmd = lsf_cmd + " " + sim_cmd.rstrip() + \
(" +UVM_TESTNAME=%s " % test['gen_test']) + \
(" +num_of_tests=%i " % test_cnt) + \
(" +start_idx=%d " % (i*batch_size)) + \
(" +asm_file_name=%s/asm_tests/%s " % (output_dir, test['test'])) + \
(" -l %s/sim_%s_%d%s.log " % (output_dir, test['test'], i, log_suffix))
if verbose:
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:
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 %s, batch %0d/%0d, test_cnt:%0d" %
(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(('%s/seed.yaml' % 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, cfg, output_dir, cwd):
"""Run the instruction generator
Args:
test_list : List of assembly programs to be compiled
cfg : Loaded configuration dictionary.
output_dir : Output directory of the ELF files
cwd : Filesystem path to RISCV-DV repo
"""
# Convert key dictionary to argv variable
argv= SimpleNamespace(**cfg)
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 %s" % 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 = ""
compile_cmd, sim_cmd = get_generator_cmd(argv.simulator, argv.simulator_yaml, argv.cov,
argv.exp, argv.debug);
# Compile the instruction generator
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:
do_simulate(sim_cmd, test_list, cwd, argv.sim_opts, argv.seed_yaml, argv.seed, argv.csr_yaml,
argv.isa, argv.end_signature_addr, argv.lsf_cmd, argv.gen_timeout, argv.log_suffix,
argv.batch_size, output_dir, argv.verbose, check_return_code, argv.debug)
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 = ("%s/asm_tests/%s_%d" % (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: %s\n", asm)
sys.exit(RET_FAIL)
# gcc comilation
cmd = ("%s -static -mcmodel=medany \
-fvisibility=hidden -nostdlib \
-nostartfiles %s \
-I%s/user_extension \
-T%s/scripts/link.ld %s -o %s " % \
(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=%s" % test_isa)
if not re.search('mabi', cmd):
cmd += (" -mabi=%s" % mabi)
logging.info("Compiling %s" % asm)
run_cmd_output(cmd.split(), debug_cmd = debug_cmd)
# Convert the ELF to plain binary, used in RTL sim
logging.info("Converting to %s" % binary)
cmd = ("%s -O binary %s %s" % (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("%s is not an assembly .S file" % asm_test)
return
cwd = os.path.dirname(os.path.realpath(__file__))
asm_test = os.path.expanduser(asm_test)
report = ("%s/iss_regr.log" % output_dir).rstrip()
asm = re.sub(r"^.*\/", "", asm_test)
asm = re.sub(r"\.S$", "", asm)
prefix = ("%s/directed_asm_tests/%s" % (output_dir, asm))
elf = prefix + ".o"
binary = prefix + ".bin"
iss_list = iss_opts.split(",")
run_cmd("mkdir -p %s/directed_asm_tests" % output_dir)
logging.info("Compiling assembly test : %s" % asm_test)
# gcc compilation
cmd = ("%s -static -mcmodel=medany \
-fvisibility=hidden -nostdlib \
-nostartfiles %s \
-I%s/user_extension \
-T%s/scripts/link.ld %s -o %s " % \
(get_env_var("RISCV_GCC", debug_cmd = debug_cmd), asm_test, cwd,
cwd, gcc_opts, elf))
cmd += (" -march=%s" % isa)
cmd += (" -mabi=%s" % mabi)
run_cmd_output(cmd.split(), debug_cmd = debug_cmd)
# Convert the ELF to plain binary, used in RTL sim
logging.info("Converting to %s" % binary)
cmd = ("%s -O binary %s %s" % (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 %s/%s_sim" % (output_dir, iss))
log = ("%s/%s_sim/%s.log" % (output_dir, iss, asm))
log_list.append(log)
base_cmd = parse_iss_yaml(iss, iss_yaml, isa, setting_dir, debug_cmd)
logging.info("[%0s] Running ISS simulation: %s" % (iss, elf))
cmd = get_iss_cmd(base_cmd, elf, log)
run_cmd(cmd, 1500, debug_cmd = debug_cmd)
logging.info("[%0s] Running ISS simulation: %s ...done" % (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 %s -name \"*.S\"" % asm_test_dir)
if result:
asm_list = result.splitlines()
logging.info("Found %0d assembly tests under %s" %
(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 = ("%s/iss_regr.log" % output_dir).rstrip()
save_regr_report(report)
else:
logging.error("No assembly test(*.S) found under %s" % 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("%s is not a .c file" % c_test)
return
cwd = os.path.dirname(os.path.realpath(__file__))
c_test = os.path.expanduser(c_test)
report = ("%s/iss_regr.log" % output_dir).rstrip()
c = re.sub(r"^.*\/", "", c_test)
c = re.sub(r"\.c$", "", c)
prefix = ("%s/directed_c_tests/%s" % (output_dir, c))
elf = prefix + ".o"
binary = prefix + ".bin"
iss_list = iss_opts.split(",")
run_cmd("mkdir -p %s/directed_c_tests" % output_dir)
logging.info("Compiling c test : %s" % c_test)
# gcc compilation
cmd = ("%s -mcmodel=medany -nostdlib \
-nostartfiles %s \
-I%s/user_extension \
-T%s/scripts/link.ld %s -o %s " % \
(get_env_var("RISCV_GCC", debug_cmd = debug_cmd), c_test, cwd,
cwd, gcc_opts, elf))
cmd += (" -march=%s" % isa)
cmd += (" -mabi=%s" % mabi)
run_cmd_output(cmd.split(), debug_cmd = debug_cmd)
# Convert the ELF to plain binary, used in RTL sim
logging.info("Converting to %s" % binary)
cmd = ("%s -O binary %s %s" % (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 %s/%s_sim" % (output_dir, iss))
log = ("%s/%s_sim/%s.log" % (output_dir, iss, c))
log_list.append(log)
base_cmd = parse_iss_yaml(iss, iss_yaml, isa, setting_dir, debug_cmd)
logging.info("[%0s] Running ISS simulation: %s" % (iss, elf))
cmd = get_iss_cmd(base_cmd, elf, log)
run_cmd(cmd, 10, debug_cmd = debug_cmd)
logging.info("[%0s] Running ISS simulation: %s ...done" % (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 %s -name \"*.c\"" % c_test_dir)
if result:
c_list = result.splitlines()
logging.info("Found %0d c tests under %s" %
(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 = ("%s/iss_regr.log" % output_dir).rstrip()
save_regr_report(report)
else:
logging.error("No c test(*.c) found under %s" % 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 = ("%s/%s_sim" % (output_dir, iss))
base_cmd = parse_iss_yaml(iss, iss_yaml, isa, setting_dir, debug_cmd)
logging.info("%s sim log dir: %s" % (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 = ("%s/asm_tests/%s_%d" % (output_dir, test['test'], i))
elf = prefix + ".o"
log = ("%s/%s.%d.log" % (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 %s sim: %s" % (iss, elf))
if iss == "ovpsim":
run_cmd(cmd, timeout_s, check_return_code=False, 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 = ("%s/iss_regr.log" % output_dir).rstrip()
run_cmd("rm -rf %s" % report)
for test in test_list:
for i in range(0, test['iterations']):
elf = ("%s/asm_tests/%s_%d.o" % (output_dir, test['test'], i))
logging.info("Comparing ISS sim result %s/%s : %s" %
(iss_list[0], iss_list[1], elf))
log_list = []
run_cmd(("echo 'Test binary: %s' >> %s" % (elf, report)))
for iss in iss_list:
log_list.append("%s/%s_sim/%s.%d.log" % (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 == "verilator":
process_verilator_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" % 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 %s | wc -l" % report).strip()
failed_cnt = run_cmd("grep FAILED %s | wc -l" % report).strip()
summary = ("%s PASSED, %s FAILED" % (passed_cnt, failed_cnt))
logging.info(summary)
run_cmd(("echo %s >> %s" % (summary, report)))
logging.info("ISS regression report is saved to %s" % report)
def setup_parser():
"""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, rv64imc, rv64gc")
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("--seed", type=int, default=-1,
help="Randomization seed, default -1 means random seed")
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 simulator setting YAML")
parser.add_argument("--csr_yaml", type=str, default="",
help="CSR description file")
parser.add_argument("--seed_yaml", type=str, default="",
help="Rerun the generator with the seed specification \
from a prior regression")
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_tests", type=str, default="",
help="Directed assembly tests")
parser.add_argument("--c_tests", 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")
return parser
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"
args.core_setting_dir = cwd + "/target/"+ args.target
if args.target == "rv32imc":
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"
else:
sys.exit("Unsupported pre-defined target: %0s" % 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 %0s" % args.custom_target)
if not args.testlist:
args.testlist = args.custom_target + "/testlist.yaml"
# Create loaded configuration dictionary.
cfg = vars(args)
return cfg
def main():
"""This is the main entry point."""
try:
parser = setup_parser()
args = parser.parse_args()
cwd = os.path.dirname(os.path.realpath(__file__))
os.environ["RISCV_DV_ROOT"] = cwd
setup_logging(args.verbose)
# Load configuration from the command line and the configuration file.
cfg = load_config(args, cwd)
# Create output directory
output_dir = create_output(args.o, args.noclean, cwd+"/out_")
if args.verilog_style_check:
logging.debug("Run style check")
style_err = run_cmd("verilog_style/run.sh")
if style_err: logging.info("Found style error: \nERROR: " + style_err)
# Run any handcoded/directed assembly tests specified by args.asm_tests
if args.asm_tests != "":
asm_test = args.asm_tests.split(',')
for path_asm_test in asm_test:
full_path = os.path.expanduser(path_asm_test)
# path_asm_test is a directory
if os.path.isdir(full_path):
run_assembly_from_dir(full_path, args.iss_yaml, args.isa, args.mabi,
args.gcc_opts, args.iss, output_dir,
args.core_setting_dir, args.debug)
# path_asm_test is an assembly file
elif os.path.isfile(full_path) or args.debug:
run_assembly(full_path, args.iss_yaml, args.isa, args.mabi, args.gcc_opts,
args.iss, output_dir, args.core_setting_dir, args.debug)
else:
logging.error('%s does not exist' % full_path)
sys.exit(RET_FAIL)
return
# Run any handcoded/directed c tests specified by args.c_tests
if args.c_tests != "":
c_test = args.c_tests.split(',')
for path_c_test in c_test:
full_path = os.path.expanduser(path_c_test)
# path_c_test is a directory
if os.path.isdir(full_path):
run_c_from_dir(full_path, args.iss_yaml, args.isa, args.mabi,
args.gcc_opts, args.iss, output_dir,
args.core_setting_dir, args.debug)
# path_c_test is a c file
elif os.path.isfile(full_path) or args.debug:
run_c(full_path, args.iss_yaml, args.isa, args.mabi, args.gcc_opts,
args.iss, output_dir, args.core_setting_dir, args.debug)
else:
logging.error('%s does not exist' % full_path)
sys.exit(RET_FAIL)
return
run_cmd_output(["mkdir", "-p", ("%s/asm_tests" % output_dir)])
# Process regression test list
matched_list = []
# Any tests in the YAML test list that specify a directed assembly test
asm_directed_list = []
# Any tests in the YAML test list that specify a directed c test
c_directed_list = []
if not args.co:
process_regression_list(args.testlist, args.test, args.iterations, matched_list, cwd)
for t in list(matched_list):
# Check mutual exclusive between gen_test, asm_tests, and c_tests
if 'asm_tests' in t:
if 'gen_test' in t or 'c_tests' in t:
logging.error('asm_tests must not be defined in the testlist '
'together with the gen_test or c_tests field')
sys.exit(RET_FATAL)
asm_directed_list.append(t)
matched_list.remove(t)
if 'c_tests' in t:
if 'gen_test' in t or 'asm_tests' in t:
logging.error('c_tests must not be defined in the testlist '
'together with the gen_test or asm_tests field')
sys.exit(RET_FATAL)
c_directed_list.append(t)
matched_list.remove(t)
if len(matched_list) == 0 and len(asm_directed_list) == 0 and len(c_directed_list) == 0:
sys.exit("Cannot find %s in %s" % (args.test, args.testlist))
# Run instruction generator
if args.steps == "all" or re.match(".*gen.*", args.steps):
# Run any handcoded/directed assembly tests specified in YAML format
if len(asm_directed_list) != 0:
for test_entry in asm_directed_list:
gcc_opts = args.gcc_opts
gcc_opts += test_entry.get('gcc_opts', '')
path_asm_test = os.path.expanduser(test_entry.get('asm_tests'))
if path_asm_test:
# path_asm_test is a directory
if os.path.isdir(path_asm_test):
run_assembly_from_dir(path_asm_test, args.iss_yaml, args.isa, args.mabi,
gcc_opts, args.iss, output_dir,
args.core_setting_dir, args.debug)
# path_asm_test is an assembly file
elif os.path.isfile(path_asm_test):
run_assembly(path_asm_test, args.iss_yaml, args.isa, args.mabi, gcc_opts,
args.iss, output_dir, args.core_setting_dir, args.debug)
else:
if not args.debug:
logging.error('%s does not exist' % path_asm_test)
sys.exit(RET_FAIL)
# Run any handcoded/directed C tests specified in YAML format
if len(c_directed_list) != 0:
for test_entry in c_directed_list:
gcc_opts = args.gcc_opts
gcc_opts += test_entry.get('gcc_opts', '')
path_c_test = os.path.expanduser(test_entry.get('c_tests'))
if path_c_test:
# path_c_test is a directory
if os.path.isdir(path_c_test):
run_c_from_dir(path_c_test, args.iss_yaml, args.isa, args.mabi,
gcc_opts, args.iss, output_dir,
args.core_setting_dir, args.debug)
# path_c_test is a C file
elif os.path.isfile(path_c_test):
run_c(path_c_test, args.iss_yaml, args.isa, args.mabi, gcc_opts,
args.iss, output_dir, args.core_setting_dir, args.debug)
else:
if not args.debug:
logging.error('%s does not exist' % path_c_test)
sys.exit(RET_FAIL)
# Run remaining tests using the instruction generator
gen(matched_list, cfg, output_dir, cwd)
if not args.co:
# Compile the assembly program to ELF, convert to plain binary
if args.steps == "all" or re.match(".*gcc_compile.*", args.steps):
gcc_compile(matched_list, output_dir, args.isa, args.mabi,
args.gcc_opts, args.debug)
# Run ISS simulation
if args.steps == "all" or re.match(".*iss_sim.*", args.steps):
iss_sim(matched_list, output_dir, args.iss, args.iss_yaml, args.iss_opts,
args.isa, args.core_setting_dir, args.iss_timeout, args.debug)
# Compare ISS simulation result
if args.steps == "all" or re.match(".*iss_cmp.*", args.steps):
iss_cmp(matched_list, args.iss, output_dir, args.stop_on_first_error,
args.exp, args.debug)
sys.exit(RET_SUCCESS)
except KeyboardInterrupt:
logging.info("\nExited Ctrl-C from user request.")
sys.exit(130)
if __name__ == "__main__":
main()