import os.path
+import random
import re
import shlex
import subprocess
import sys
+import tempfile
import time
import traceback
return None
def compile(args, xlen=32): # pylint: disable=redefined-builtin
- cc = os.path.expandvars("$RISCV/bin/riscv%d-unknown-elf-gcc" % xlen)
+ cc = os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gcc")
cmd = [cc, "-g"]
+ if xlen == 32:
+ cmd.append("-march=rv32imac")
+ cmd.append("-mabi=ilp32")
+ else:
+ cmd.append("-march=rv64imac")
+ cmd.append("-mabi=lp64")
for arg in args:
found = find_file(arg)
if found:
cmd.append(found)
else:
cmd.append(arg)
- cmd = " ".join(cmd)
- result = os.system(cmd)
- assert result == 0, "%r failed" % cmd
+ process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ stdout, stderr = process.communicate()
+ if process.returncode:
+ print
+ header("Compile failed")
+ print "+", " ".join(cmd)
+ print stdout,
+ print stderr,
+ header("")
+ raise Exception("Compile failed!")
def unused_port():
# http://stackoverflow.com/questions/2838244/get-open-tcp-port-in-python/2838309#2838309
return port
class Spike(object):
- logname = "spike.log"
+ logname = "spike-%d.log" % os.getpid()
- def __init__(self, cmd, binary=None, halted=False, with_gdb=True,
- timeout=None, xlen=64):
+ def __init__(self, target, halted=False, timeout=None, with_jtag_gdb=True):
"""Launch spike. Return tuple of its process and the port it's running
on."""
- if cmd:
- cmd = shlex.split(cmd)
+ if target.sim_cmd:
+ cmd = shlex.split(target.sim_cmd)
else:
- cmd = ["spike"]
- if xlen == 32:
- cmd += ["--isa", "RV32"]
+ spike = os.path.expandvars("$RISCV/bin/spike")
+ cmd = [spike]
+ if target.xlen == 32:
+ cmd += ["--isa", "RV32G"]
+ else:
+ cmd += ["--isa", "RV64G"]
+ cmd += ["-m0x%x:0x%x" % (target.ram, target.ram_size)]
if timeout:
cmd = ["timeout", str(timeout)] + cmd
if halted:
cmd.append('-H')
- if with_gdb:
- self.port = unused_port()
- cmd += ['--gdb-port', str(self.port)]
- cmd.append("-m32")
- cmd.append('pk')
- if binary:
- cmd.append(binary)
+ if with_jtag_gdb:
+ cmd += ['--rbb-port', '0']
+ os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
+ self.infinite_loop = target.compile(
+ "programs/checksum.c", "programs/tiny-malloc.c",
+ "programs/infinite_loop.S", "-DDEFINE_MALLOC", "-DDEFINE_FREE")
+ cmd.append(self.infinite_loop)
logfile = open(self.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=logfile, stderr=logfile)
+ if with_jtag_gdb:
+ self.port = None
+ for _ in range(30):
+ m = re.search(r"Listening for remote bitbang connection on "
+ r"port (\d+).", open(self.logname).read())
+ if m:
+ self.port = int(m.group(1))
+ os.environ['REMOTE_BITBANG_PORT'] = m.group(1)
+ break
+ time.sleep(0.11)
+ assert self.port, "Didn't get spike message about bitbang " \
+ "connection"
+
def __del__(self):
try:
self.process.kill()
return self.process.wait(*args, **kwargs)
class VcsSim(object):
- def __init__(self, simv=None, debug=False):
- if simv:
- cmd = shlex.split(simv)
+ def __init__(self, sim_cmd=None, debug=False):
+ if sim_cmd:
+ cmd = shlex.split(sim_cmd)
else:
cmd = ["simv"]
cmd += ["+jtag_vpi_enable"]
stdout=logfile, stderr=logfile)
done = False
while not done:
+ # Fail if VCS exits early
+ exit_code = self.process.poll()
+ if exit_code is not None:
+ raise RuntimeError('VCS simulator exited early with status %d'
+ % exit_code)
+
line = listenfile.readline()
if not line:
time.sleep(1)
pass
class Openocd(object):
- logname = "openocd.log"
+ logfile = tempfile.NamedTemporaryFile(prefix='openocd', suffix='.log')
+ logname = logfile.name
- def __init__(self, cmd=None, config=None, debug=False):
- if cmd:
- cmd = shlex.split(cmd)
+ def __init__(self, server_cmd=None, config=None, debug=False):
+ if server_cmd:
+ cmd = shlex.split(server_cmd)
else:
- cmd = ["openocd"]
- if config:
- cmd += ["-f", find_file(config)]
- if debug:
- cmd.append("-d")
+ openocd = os.path.expandvars("$RISCV/bin/openocd")
+ cmd = [openocd]
+ if debug:
+ cmd.append("-d")
- # Assign port
- self.port = unused_port()
# This command needs to come before any config scripts on the command
# line, since they are executed in order.
- cmd[1:1] = ["--command", "gdb_port %d" % self.port]
+ cmd += [
+ # Tell OpenOCD to bind gdb to an unused, ephemeral port.
+ "--command",
+ "gdb_port 0",
+ # Disable tcl and telnet servers, since they are unused and because
+ # the port numbers will conflict if multiple OpenOCD processes are
+ # running on the same server.
+ "--command",
+ "tcl_port disabled",
+ "--command",
+ "telnet_port disabled",
+ ]
+
+ if config:
+ f = find_file(config)
+ if f is None:
+ print "Unable to read file " + config
+ exit(1)
+
+ cmd += ["-f", f]
+ if debug:
+ cmd.append("-d")
logfile = open(Openocd.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
messaged = False
while True:
log = open(Openocd.logname).read()
- if "Examined RISCV core" in log:
+ if "Ready for Remote Connections" in log:
break
if not self.process.poll() is None:
+ header("OpenOCD log")
+ sys.stdout.write(log)
raise Exception(
"OpenOCD exited before completing riscv_examine()")
if not messaged and time.time() - start > 1:
messaged = True
print "Waiting for OpenOCD to examine RISCV core..."
+ if time.time() - start > 60:
+ raise Exception("ERROR: Timed out waiting for OpenOCD to "
+ "examine RISCV core")
+
+ try:
+ self.port = self._get_gdb_server_port()
+ except:
+ header("OpenOCD log")
+ sys.stdout.write(log)
+ raise
+
+ def _get_gdb_server_port(self):
+ """Get port that OpenOCD's gdb server is listening on."""
+ MAX_ATTEMPTS = 50
+ PORT_REGEX = re.compile(r'(?P<port>\d+) \(LISTEN\)')
+ for _ in range(MAX_ATTEMPTS):
+ with open(os.devnull, 'w') as devnull:
+ try:
+ output = subprocess.check_output([
+ 'lsof',
+ '-a', # Take the AND of the following selectors
+ '-p{}'.format(self.process.pid), # Filter on PID
+ '-iTCP', # Filter only TCP sockets
+ ], stderr=devnull)
+ except subprocess.CalledProcessError:
+ output = ""
+ matches = list(PORT_REGEX.finditer(output))
+ matches = [m for m in matches
+ if m.group('port') not in ('6666', '4444')]
+ if len(matches) > 1:
+ print output
+ raise Exception(
+ "OpenOCD listening on multiple ports. Cannot uniquely "
+ "identify gdb server port.")
+ elif matches:
+ [match] = matches
+ return int(match.group('port'))
+ time.sleep(1)
+ raise Exception("Timed out waiting for gdb server to obtain port.")
def __del__(self):
try:
self.address = address
class Gdb(object):
+ logfile = tempfile.NamedTemporaryFile(prefix="gdb", suffix=".log")
+ logname = logfile.name
+
def __init__(self,
cmd=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb")):
self.child = pexpect.spawn(cmd)
- self.child.logfile = open("gdb.log", "w")
+ self.child.logfile = open(self.logname, "w")
self.child.logfile.write("+ %s\n" % cmd)
self.wait()
self.command("set confirm off")
"""Wait for prompt."""
self.child.expect(r"\(gdb\)")
- def command(self, command, timeout=-1):
+ def command(self, command, timeout=6000):
self.child.sendline(command)
self.child.expect("\n", timeout=timeout)
self.child.expect(r"\(gdb\)", timeout=timeout)
return self.child.before.strip()
- def c(self, wait=True):
+ def c(self, wait=True, timeout=-1):
if wait:
- output = self.command("c")
+ output = self.command("c", timeout=timeout)
assert "Continuing" in output
return output
else:
def interrupt(self):
self.child.send("\003")
- self.child.expect(r"\(gdb\)", timeout=60)
+ self.child.expect(r"\(gdb\)", timeout=6000)
return self.child.before.strip()
def x(self, address, size='w'):
return output
def load(self):
- output = self.command("load", timeout=60)
+ output = self.command("load", timeout=6000)
assert "failed" not in output
assert "Transfer rate" in output
assert "Hardware assisted breakpoint" in output
return output
-def run_all_tests(module, target, tests, fail_fast):
- good_results = set(('pass', 'not_applicable'))
+def run_all_tests(module, target, parsed):
+ if not os.path.exists(parsed.logs):
+ os.makedirs(parsed.logs)
- start = time.time()
+ overall_start = time.time()
+
+ global gdb_cmd # pylint: disable=global-statement
+ gdb_cmd = parsed.gdb
+
+ todo = []
+ if parsed.misaval:
+ target.misa = int(parsed.misaval, 16)
+ print "Assuming $MISA value of 0x%x. Skipping ExamineTarget." % \
+ target.misa
+ else:
+ todo.append(("ExamineTarget", ExamineTarget))
- results = {}
- count = 0
for name in dir(module):
definition = getattr(module, name)
if type(definition) == type and hasattr(definition, 'test') and \
- (not tests or any(test in name for test in tests)):
- instance = definition(target)
+ (not parsed.test or any(test in name for test in parsed.test)):
+ todo.append((name, definition))
+
+ results, count = run_tests(parsed, target, todo)
+
+ header("ran %d tests in %.0fs" % (count, time.time() - overall_start),
+ dash=':')
+
+ return print_results(results)
+
+good_results = set(('pass', 'not_applicable'))
+def run_tests(parsed, target, todo):
+ results = {}
+ count = 0
+
+ for name, definition in todo:
+ instance = definition(target)
+ log_name = os.path.join(parsed.logs, "%s-%s-%s.log" %
+ (time.strftime("%Y%m%d-%H%M%S"), type(target).__name__, name))
+ log_fd = open(log_name, 'w')
+ print "Running", name, "...",
+ sys.stdout.flush()
+ log_fd.write("Test: %s\n" % name)
+ log_fd.write("Target: %s\n" % type(target).__name__)
+ start = time.time()
+ real_stdout = sys.stdout
+ sys.stdout = log_fd
+ try:
result = instance.run()
- results.setdefault(result, []).append(name)
- count += 1
- if result not in good_results and fail_fast:
- break
+ log_fd.write("Result: %s\n" % result)
+ finally:
+ sys.stdout = real_stdout
+ log_fd.write("Time elapsed: %.2fs\n" % (time.time() - start))
+ print "%s in %.2fs" % (result, time.time() - start)
+ sys.stdout.flush()
+ results.setdefault(result, []).append(name)
+ count += 1
+ if result not in good_results and parsed.fail_fast:
+ break
- header("ran %d tests in %.0fs" % (count, time.time() - start), dash=':')
+ return results, count
+def print_results(results):
result = 0
for key, value in results.iteritems():
print "%d tests returned %s" % (len(value), key)
return result
def add_test_run_options(parser):
+
+ parser.add_argument("--logs", default="logs",
+ help="Store logs in the specified directory.")
parser.add_argument("--fail-fast", "-f", action="store_true",
help="Exit as soon as any test fails.")
parser.add_argument("test", nargs='*',
help="Run only tests that are named here.")
-
-def header(title, dash='-'):
- dashes = dash * (36 - len(title))
- before = dashes[:len(dashes)/2]
- after = dashes[len(dashes)/2:]
- print "%s[ %s ]%s" % (before, title, after)
+ parser.add_argument("--gdb",
+ help="The command to use to start gdb.")
+ parser.add_argument("--misaval",
+ help="Don't run ExamineTarget, just assume the misa value which is "
+ "specified.")
+
+def header(title, dash='-', length=78):
+ if title:
+ dashes = dash * (length - 4 - len(title))
+ before = dashes[:len(dashes)/2]
+ after = dashes[len(dashes)/2:]
+ print "%s[ %s ]%s" % (before, title, after)
+ else:
+ print dash * length
+
+def print_log(path):
+ header(path)
+ lines = open(path, "r").readlines()
+ for l in lines:
+ sys.stdout.write(l)
+ print
class BaseTest(object):
compiled = {}
- logs = []
def __init__(self, target):
self.target = target
self.target_process = None
self.binary = None
self.start = 0
+ self.logs = []
def early_applicable(self):
"""Return a false value if the test has determined it cannot run
compile_args = getattr(self, 'compile_args', None)
if compile_args:
if compile_args not in BaseTest.compiled:
- try:
- # pylint: disable=star-args
- BaseTest.compiled[compile_args] = \
- self.target.compile(*compile_args)
- except Exception: # pylint: disable=broad-except
- print "exception while compiling in %.2fs" % (
- time.time() - self.start)
- print "=" * 40
- header("Traceback")
- traceback.print_exc(file=sys.stdout)
- print "/" * 40
- return "exception"
+ # pylint: disable=star-args
+ BaseTest.compiled[compile_args] = \
+ self.target.compile(*compile_args)
self.binary = BaseTest.compiled.get(compile_args)
def classSetup(self):
if an exception is raised.
"""
- print "Running", type(self).__name__, "...",
sys.stdout.flush()
if not self.early_applicable():
- print "not_applicable"
return "not_applicable"
self.start = time.time()
result = "fail"
else:
result = "exception"
- print "%s in %.2fs" % (result, time.time() - self.start)
- print "=" * 40
if isinstance(e, TestFailed):
header("Message")
print e.message
header("Traceback")
traceback.print_exc(file=sys.stdout)
- for log in self.logs:
- header(log)
- print open(log, "r").read()
- print "/" * 40
return result
finally:
+ for log in self.logs:
+ print_log(log)
+ header("End of logs")
self.classTeardown()
if not result:
result = 'pass'
- print "%s in %.2fs" % (result, time.time() - self.start)
return result
+gdb_cmd = None
+class GdbTest(BaseTest):
+ def __init__(self, target):
+ BaseTest.__init__(self, target)
+ self.gdb = None
+
+ def classSetup(self):
+ BaseTest.classSetup(self)
+
+ if gdb_cmd:
+ self.gdb = Gdb(gdb_cmd)
+ else:
+ self.gdb = Gdb()
+
+ self.logs.append(self.gdb.logname)
+
+ if self.binary:
+ self.gdb.command("file %s" % self.binary)
+ if self.target:
+ self.gdb.command("set arch riscv:rv%d" % self.target.xlen)
+ self.gdb.command("set remotetimeout %d" % self.target.timeout_sec)
+ if self.server.port:
+ self.gdb.command(
+ "target extended-remote localhost:%d" % self.server.port)
+ # Select a random thread.
+ # TODO: Allow a command line option to force a specific thread.
+ output = self.gdb.command("info threads")
+ threads = re.findall(r"Thread (\d+)", output)
+ if threads:
+ thread = random.choice(threads)
+ self.gdb.command("thread %s" % thread)
+
+ # FIXME: OpenOCD doesn't handle PRIV now
+ #self.gdb.p("$priv=3")
+
+ def classTeardown(self):
+ del self.gdb
+ BaseTest.classTeardown(self)
+
+class ExamineTarget(GdbTest):
+ def test(self):
+ self.target.misa = self.gdb.p("$misa")
+
+ txt = "RV"
+ if (self.target.misa >> 30) == 1:
+ txt += "32"
+ elif (self.target.misa >> 62) == 2:
+ txt += "64"
+ elif (self.target.misa >> 126) == 3:
+ txt += "128"
+ else:
+ raise TestFailed("Couldn't determine XLEN from $misa (0x%x)" %
+ self.target.misa)
+
+ for i in range(26):
+ if self.target.misa & (1<<i):
+ txt += chr(i + ord('A'))
+ print txt,
+
class TestFailed(Exception):
def __init__(self, message):
Exception.__init__(self)
projects / riscv-tests.git / blobdiff