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
class Spike(object):
logname = "spike.log"
- def __init__(self, cmd, binary=None, halted=False, with_gdb=True,
+ def __init__(self, sim_cmd, binary=None, halted=False, with_jtag_gdb=True,
timeout=None, xlen=64):
"""Launch spike. Return tuple of its process and the port it's running
on."""
- if cmd:
- cmd = shlex.split(cmd)
+ if sim_cmd:
+ cmd = shlex.split(sim_cmd)
else:
- cmd = ["spike"]
+ spike = os.path.expandvars("$RISCV/bin/spike")
+ cmd = [spike]
if xlen == 32:
- cmd += ["--isa", "RV32"]
+ cmd += ["--isa", "RV32G"]
+ else:
+ cmd += ["--isa", "RV64G"]
if timeout:
cmd = ["timeout", str(timeout)] + cmd
+ cmd += ["-m0x10000000:0x10000000"]
+
if halted:
cmd.append('-H')
- if with_gdb:
- self.port = unused_port()
- cmd += ['--gdb-port', str(self.port)]
- cmd.append("-m32")
- cmd.append('pk')
+ if with_jtag_gdb:
+ cmd += ['--rbb-port', '0']
+ os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
+ cmd.append('programs/infinite_loop')
if binary:
cmd.append(binary)
logfile = open(self.logname, "w")
self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=logfile, stderr=logfile)
+ if with_jtag_gdb:
+ self.port = None
+ for _ in range(30):
+ m = re.search(r"Listening for remote bitbang connection on "
+ r"port (\d+).", open(self.logname).read())
+ if m:
+ self.port = int(m.group(1))
+ os.environ['REMOTE_BITBANG_PORT'] = m.group(1)
+ break
+ time.sleep(0.11)
+ assert self.port, "Didn't get spike message about bitbang " \
+ "connection"
+
def __del__(self):
try:
self.process.kill()
return self.process.wait(*args, **kwargs)
class VcsSim(object):
- def __init__(self, simv=None, debug=False):
- if simv:
- cmd = shlex.split(simv)
+ def __init__(self, sim_cmd=None, debug=False):
+ if sim_cmd:
+ cmd = shlex.split(sim_cmd)
else:
cmd = ["simv"]
cmd += ["+jtag_vpi_enable"]
class Openocd(object):
logname = "openocd.log"
- def __init__(self, cmd=None, config=None, debug=False):
- if cmd:
- cmd = shlex.split(cmd)
+ def __init__(self, server_cmd=None, config=None, debug=False):
+ if server_cmd:
+ cmd = shlex.split(server_cmd)
else:
- cmd = ["openocd"]
+ openocd = os.path.expandvars("$RISCV/bin/riscv-openocd")
+ cmd = [openocd]
+ if (debug):
+ cmd.append("-d")
+
+ # This command needs to come before any config scripts on the command
+ # line, since they are executed in order.
+ 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:
- cmd += ["-f", find_file(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")
- # This command needs to come before any config scripts on the command
- # line, since they are executed in order.
- # Tell OpenOCD to bind to an unused port.
- cmd[1:1] = ["--command", "gdb_port %d" % 0]
-
logfile = open(Openocd.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
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:
raise Exception(
def _get_gdb_server_port(self):
"""Get port that OpenOCD's gdb server is listening on."""
- MAX_ATTEMPTS = 5
+ MAX_ATTEMPTS = 50
PORT_REGEX = re.compile(r'(?P<port>\d+) \(LISTEN\)')
for _ in range(MAX_ATTEMPTS):
with open(os.devnull, 'w') as devnull:
- 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)
+ 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.")
"""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):
+def run_all_tests(module, target, parsed):
good_results = set(('pass', 'not_applicable'))
start = time.time()
results = {}
count = 0
+
+ global gdb_cmd # pylint: disable=global-statement
+ gdb_cmd = parsed.gdb
+
+ todo = []
+ if (parsed.misa):
+ self.target.misa = parsed.misa
+ else:
+ todo.append(("ExamineTarget", ExamineTarget))
+
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)
- result = instance.run()
- results.setdefault(result, []).append(name)
- count += 1
- if result not in good_results and fail_fast:
- break
+ (not parsed.test or any(test in name for test in parsed.test)):
+ todo.append((name, definition))
+
+ for name, definition in todo:
+ instance = definition(target)
+ result = instance.run()
+ 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=':')
help="Exit as soon as any test fails.")
parser.add_argument("test", nargs='*',
help="Run only tests that are named here.")
+ parser.add_argument("--gdb",
+ help="The command to use to start gdb.")
+ parser.add_argument("--misa", "-m",
+ help="Don't run ExamineTarget, just assume the misa which is specified.")
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)
+ if title:
+ dashes = dash * (36 - len(title))
+ before = dashes[:len(dashes)/2]
+ after = dashes[len(dashes)/2:]
+ print "%s[ %s ]%s" % (before, title, after)
+ else:
+ print dash * 40
+
+def print_log(path):
+ header(path)
+ lines = open(path, "r").readlines()
+ if len(lines) > 1000:
+ for l in lines[:500]:
+ sys.stdout.write(l)
+ print "..."
+ for l in lines[-500:]:
+ sys.stdout.write(l)
+ else:
+ for l in lines:
+ sys.stdout.write(l)
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):
header("Traceback")
traceback.print_exc(file=sys.stdout)
for log in self.logs:
- header(log)
- print open(log, "r").read()
+ print_log(log)
print "/" * 40
return result
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)
+ self.logs.append("gdb.log")
+
+ if gdb_cmd:
+ self.gdb = Gdb(gdb_cmd)
+ else:
+ self.gdb = Gdb()
+
+ 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)
+
+ # 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:
+ txt += "??"
+
+ 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