import tempfile
import time
import traceback
+import pipes
import pexpect
+print_log_names = False
+real_stdout = sys.stdout
+
# Note that gdb comes with its own testsuite. I was unable to figure out how to
# run that testsuite against the spike simulator.
raise Exception("Compile failed!")
class Spike(object):
- def __init__(self, target, halted=False, timeout=None, with_jtag_gdb=True):
+ def __init__(self, target, halted=False, timeout=None, with_jtag_gdb=True,
+ isa=None, progbufsize=None):
"""Launch spike. Return tuple of its process and the port it's running
on."""
self.process = None
+ self.isa = isa
+ self.progbufsize = progbufsize
if target.harts:
harts = target.harts
self.logfile = tempfile.NamedTemporaryFile(prefix="spike-",
suffix=".log")
self.logname = self.logfile.name
+ if print_log_names:
+ real_stdout.write("Temporary spike log: %s\n" % self.logname)
self.logfile.write("+ %s\n" % " ".join(cmd))
self.logfile.flush()
self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
assert len(set(t.xlen for t in harts)) == 1, \
"All spike harts must have the same XLEN"
- if harts[0].xlen == 32:
- cmd += ["--isa", "RV32G"]
+ if self.isa:
+ isa = self.isa
else:
- cmd += ["--isa", "RV64G"]
+ isa = "RV%dG" % harts[0].xlen
+
+ cmd += ["--isa", isa]
+ cmd += ["--debug-auth"]
+
+ if not self.progbufsize is None:
+ cmd += ["--progsize", str(self.progbufsize)]
+ cmd += ["--debug-sba", "32"]
assert len(set(t.ram for t in harts)) == 1, \
"All spike harts must have the same RAM layout"
return self.process.wait(*args, **kwargs)
class VcsSim(object):
- logname = "simv.log"
+ logfile = tempfile.NamedTemporaryFile(prefix='simv', suffix='.log')
+ logname = logfile.name
- def __init__(self, sim_cmd=None, debug=False):
+ def __init__(self, sim_cmd=None, debug=False, timeout=300):
if sim_cmd:
cmd = shlex.split(sim_cmd)
else:
if debug:
cmd[0] = cmd[0] + "-debug"
cmd += ["+vcdplusfile=output/gdbserver.vpd"]
+
logfile = open(self.logname, "w")
+ if print_log_names:
+ real_stdout.write("Temporary VCS log: %s\n" % self.logname)
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
+
listenfile = open(self.logname, "r")
listenfile.seek(0, 2)
self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=logfile, stderr=logfile)
done = False
+ start = time.time()
while not done:
# Fail if VCS exits early
exit_code = self.process.poll()
self.port = int(match.group(1))
os.environ['JTAG_VPI_PORT'] = str(self.port)
+ if (time.time() - start) > timeout:
+ raise Exception("Timed out waiting for VCS to listen for JTAG "
+ "vpi")
+
def __del__(self):
try:
self.process.kill()
class Openocd(object):
logfile = tempfile.NamedTemporaryFile(prefix='openocd', suffix='.log')
logname = logfile.name
- print "OpenOCD Temporary Log File: %s" % logname
def __init__(self, server_cmd=None, config=None, debug=False, timeout=60):
self.timeout = timeout
cmd.append("-d")
logfile = open(Openocd.logname, "w")
- logfile.write("+ %s\n" % " ".join(cmd))
+ if print_log_names:
+ real_stdout.write("Temporary OpenOCD log: %s\n" % Openocd.logname)
+ env_entries = ("REMOTE_BITBANG_HOST", "REMOTE_BITBANG_PORT")
+ env_entries = [key for key in env_entries if key in os.environ]
+ logfile.write("+ %s%s\n" % (
+ "".join("%s=%s " % (key, os.environ[key]) for key in env_entries),
+ " ".join(map(pipes.quote, cmd))))
logfile.flush()
self.gdb_ports = []
def __del__(self):
try:
- self.process.kill()
+ self.process.terminate()
+ start = time.time()
+ while time.time() < start + 10000:
+ if self.process.poll():
+ break
+ else:
+ self.process.kill()
self.process.wait()
except (OSError, AttributeError):
pass
Exception.__init__(self)
self.address = address
+class CouldNotFetch(Exception):
+ def __init__(self, regname, explanation):
+ Exception.__init__(self)
+ self.regname = regname
+ self.explanation = explanation
+
Thread = collections.namedtuple('Thread', ('id', 'description', 'target_id',
'name', 'frame'))
"""A single gdb class which can interact with one or more gdb instances."""
# pylint: disable=too-many-public-methods
+ # pylint: disable=too-many-instance-attributes
def __init__(self, ports,
cmd=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb"),
- timeout=60,
- binary=None):
+ timeout=60, binary=None):
assert ports
+ self.ports = ports
+ self.cmd = cmd
+ self.timeout = timeout
+ self.binary = binary
+
self.stack = []
+ self.harts = {}
self.logfiles = []
self.children = []
logfile = tempfile.NamedTemporaryFile(prefix="gdb@%d-" % port,
suffix=".log")
self.logfiles.append(logfile)
+ if print_log_names:
+ real_stdout.write("Temporary gdb log: %s\n" % logfile.name)
child = pexpect.spawn(cmd)
child.logfile = logfile
child.logfile.write("+ %s\n" % cmd)
self.children.append(child)
self.active_child = self.children[0]
- self.harts = {}
- for port, child in zip(ports, self.children):
+ def connect(self):
+ for port, child in zip(self.ports, self.children):
self.select_child(child)
self.wait()
self.command("set confirm off")
self.command("set height 0")
# Force consistency.
self.command("set print entry-values no")
- self.command("set remotetimeout %d" % timeout)
+ self.command("set remotetimeout %d" % self.timeout)
self.command("target extended-remote localhost:%d" % port)
- if binary:
- self.command("file %s" % binary)
+ if self.binary:
+ self.command("file %s" % self.binary)
threads = self.threads()
for t in threads:
hartid = None
hartid = max(self.harts) + 1
else:
hartid = 0
- self.harts[hartid] = (child, t)
+ # solo: True iff this is the only thread on this child
+ self.harts[hartid] = {'child': child,
+ 'thread': t,
+ 'solo': len(threads) == 1}
def __del__(self):
for child in self.children:
del child
+ def one_hart_per_gdb(self):
+ return all(h['solo'] for h in self.harts.itervalues())
+
def lognames(self):
return [logfile.name for logfile in self.logfiles]
self.active_child = child
def select_hart(self, hart):
- child, thread = self.harts[hart.id]
- self.select_child(child)
- output = self.command("thread %s" % thread.id)
- assert "Unknown" not in output
+ h = self.harts[hart.id]
+ self.select_child(h['child'])
+ if not h['solo']:
+ output = self.command("thread %s" % h['thread'].id, ops=5)
+ assert "Unknown" not in output
def push_state(self):
self.stack.append({
"""Wait for prompt."""
self.active_child.expect(r"\(gdb\)")
- def command(self, command, timeout=6000):
- """timeout is in seconds"""
+ def command(self, command, ops=1):
+ """ops is the estimated number of operations gdb will have to perform
+ to perform this command. It is used to compute a timeout based on
+ self.timeout."""
+ timeout = ops * self.timeout
self.active_child.sendline(command)
self.active_child.expect("\n", timeout=timeout)
self.active_child.expect(r"\(gdb\)", timeout=timeout)
self.select_child(child)
self.command(command)
- def c(self, wait=True, timeout=-1, async=False):
+ def c(self, wait=True, async=False):
"""
Dumb c command.
In RTOS mode, gdb will resume all harts.
async = "&"
else:
async = ""
+ ops = 10
if wait:
- output = self.command("c%s" % async, timeout=timeout)
+ output = self.command("c%s" % async, ops=ops)
assert "Continuing" in output
return output
else:
self.active_child.sendline("c%s" % async)
- self.active_child.expect("Continuing")
+ self.active_child.expect("Continuing", timeout=ops * self.timeout)
- def c_all(self):
+ def c_all(self, wait=True):
"""
Resume every hart.
child.sendline("c")
child.expect("Continuing")
- # Now wait for them all to halt
- for child in self.children:
- child.expect(r"\(gdb\)")
+ if wait:
+ for child in self.children:
+ child.expect(r"\(gdb\)")
def interrupt(self):
self.active_child.send("\003")
self.active_child.expect(r"\(gdb\)", timeout=6000)
return self.active_child.before.strip()
+ def interrupt_all(self):
+ for child in self.children:
+ self.select_child(child)
+ self.interrupt()
+
def x(self, address, size='w'):
output = self.command("x/%s %s" % (size, address))
value = int(output.split(':')[1].strip(), 0)
m = re.search("Cannot access memory at address (0x[0-9a-f]+)", output)
if m:
raise CannotAccess(int(m.group(1), 0))
+ m = re.search(r"Could not fetch register \"(\w+)\"; (.*)$", output)
+ if m:
+ raise CouldNotFetch(m.group(1), m.group(2))
rhs = output.split('=')[-1]
return self.parse_string(rhs)
value = shlex.split(output.split('=')[-1].strip())[1]
return value
+ def info_registers(self, group):
+ output = self.command("info registers %s" % group)
+ result = {}
+ for line in output.splitlines():
+ parts = line.split()
+ name = parts[0]
+ if "Could not fetch" in line:
+ result[name] = " ".join(parts[1:])
+ else:
+ result[name] = int(parts[1], 0)
+ return result
+
def stepi(self):
- output = self.command("stepi", timeout=60)
+ output = self.command("stepi", ops=10)
return output
def load(self):
- output = self.command("load", timeout=6000)
+ output = self.command("load", ops=1000)
assert "failed" not in output
assert "Transfer rate" in output
+ output = self.command("compare-sections", ops=1000)
+ assert "MIS" not in output
def b(self, location):
- output = self.command("b %s" % location)
+ output = self.command("b %s" % location, ops=5)
assert "not defined" not in output
assert "Breakpoint" in output
return output
def hbreak(self, location):
- output = self.command("hbreak %s" % location)
+ output = self.command("hbreak %s" % location, ops=5)
assert "not defined" not in output
assert "Hardware assisted breakpoint" in output
return output
def threads(self):
- output = self.command("info threads")
+ output = self.command("info threads", ops=100)
threads = []
for line in output.splitlines():
m = re.match(
self.gdb.pop_state()
def run_all_tests(module, target, parsed):
- if not os.path.exists(parsed.logs):
+ try:
os.makedirs(parsed.logs)
+ except OSError:
+ # There's a race where multiple instances of the test program might
+ # decide to create the logs directory at the same time.
+ pass
overall_start = time.time()
log_fd.write("Test: %s\n" % name)
log_fd.write("Target: %s\n" % type(target).__name__)
start = time.time()
+ global real_stdout # pylint: disable=global-statement
real_stdout = sys.stdout
sys.stdout = log_fd
try:
- result = instance.run(real_stdout)
+ result = instance.run()
log_fd.write("Result: %s\n" % result)
+ log_fd.write("Logfile: %s\n" % log_name)
+ log_fd.write("Reproduce: %s %s %s\n" % (sys.argv[0], parsed.target,
+ name))
finally:
sys.stdout = real_stdout
log_fd.write("Time elapsed: %.2fs\n" % (time.time() - start))
+ log_fd.flush()
print "[%s] %s in %.2fs" % (name, result, time.time() - start)
if result not in good_results and parsed.print_failures:
sys.stdout.write(open(log_name).read())
help="Exit as soon as any test fails.")
parser.add_argument("--print-failures", action="store_true",
help="When a test fails, print the log file to stdout.")
+ parser.add_argument("--print-log-names", "--pln", action="store_true",
+ help="Print names of temporary log files as soon as they are "
+ "created.")
parser.add_argument("test", nargs='*',
help="Run only tests that are named here.")
parser.add_argument("--gdb",
else:
print dash * length
-def print_log(path):
- header(path)
- for l in open(path, "r"):
+def print_log_handle(name, handle):
+ header(name)
+ for l in handle:
sys.stdout.write(l)
print
+def print_log(path):
+ print_log_handle(path, open(path, "r"))
+
class BaseTest(object):
compiled = {}
def postMortem(self):
pass
- def run(self, real_stdout):
+ def run(self):
"""
If compile_args is set, compile a program and set self.binary.
try:
self.classSetup()
- real_stdout.write("[%s] Temporary logs: %s\n" % (
- type(self).__name__, ", ".join(self.logs)))
self.setup()
result = self.test() # pylint: disable=no-member
except TestNotApplicable:
return result
finally:
+ # Get handles to logs before the files are deleted.
+ logs = []
for log in self.logs:
- print_log(log)
- header("End of logs")
+ logs.append((log, open(log, "r")))
+
self.classTeardown()
+ for name, handle in logs:
+ print_log_handle(name, handle)
+ header("End of logs")
if not result:
result = 'pass'
BaseTest.classSetup(self)
if gdb_cmd:
- self.gdb = Gdb(self.server.gdb_ports, gdb_cmd, timeout=self.target.timeout_sec, binary=self.binary)
+ self.gdb = Gdb(self.server.gdb_ports, gdb_cmd,
+ timeout=self.target.timeout_sec, binary=self.binary)
else:
- self.gdb = Gdb(self.server.gdb_ports, timeout=self.target.timeout_sec, binary=self.binary)
+ self.gdb = Gdb(self.server.gdb_ports,
+ timeout=self.target.timeout_sec, binary=self.binary)
self.logs += self.gdb.lognames()
+ self.gdb.connect()
- self.gdb.global_command("set arch riscv:rv%d" % self.hart.xlen)
self.gdb.global_command("set remotetimeout %d" %
self.target.timeout_sec)
if not self.gdb:
return
self.gdb.interrupt()
- self.gdb.command("info registers all", timeout=10)
+ self.gdb.command("disassemble", ops=20)
+ self.gdb.command("info registers all", ops=100)
+ self.gdb.command("flush regs")
+ self.gdb.command("info threads", ops=100)
def classTeardown(self):
del self.gdb
BaseTest.classTeardown(self)
-class GdbSingleHartTest(GdbTest):
- def classSetup(self):
- GdbTest.classSetup(self)
-
+ def parkOtherHarts(self):
+ """Park harts besides the currently selected one in loop_forever()."""
for hart in self.target.harts:
# Park all harts that we're not using in a safe place.
if hart != self.hart:
self.gdb.select_hart(hart)
self.gdb.p("$pc=loop_forever")
+
self.gdb.select_hart(self.hart)
+class GdbSingleHartTest(GdbTest):
+ def classSetup(self):
+ GdbTest.classSetup(self)
+ self.parkOtherHarts()
+
class ExamineTarget(GdbTest):
def test(self):
for hart in self.target.harts:
hart.misa = self.gdb.p("$misa")
txt = "RV"
- if (hart.misa >> 30) == 1:
- txt += "32"
- elif (hart.misa >> 62) == 2:
- txt += "64"
- elif (hart.misa >> 126) == 3:
- txt += "128"
+ misa_xlen = 0
+ if ((hart.misa & 0xFFFFFFFF) >> 30) == 1:
+ misa_xlen = 32
+ elif ((hart.misa & 0xFFFFFFFFFFFFFFFF) >> 62) == 2:
+ misa_xlen = 64
+ elif ((hart.misa & 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) >> 126) == 3:
+ misa_xlen = 128
else:
raise TestFailed("Couldn't determine XLEN from $misa (0x%x)" %
self.hart.misa)
+ if misa_xlen != hart.xlen:
+ raise TestFailed("MISA reported XLEN of %d but we were "\
+ "expecting XLEN of %d\n" % (misa_xlen, hart.xlen))
+
+ txt += ("%d" % misa_xlen)
+
for i in range(26):
if hart.misa & (1<<i):
txt += chr(i + ord('A'))
projects / riscv-tests.git / blobdiff