import collections
+import os
import os.path
import random
import re
def find_file(path):
for directory in (os.getcwd(), os.path.dirname(__file__)):
fullpath = os.path.join(directory, path)
- if os.path.exists(fullpath):
- return fullpath
+ relpath = os.path.relpath(fullpath)
+ if len(relpath) >= len(fullpath):
+ relpath = fullpath
+ if os.path.exists(relpath):
+ return relpath
return None
def compile(args, xlen=32): # pylint: disable=redefined-builtin
cmd.append(found)
else:
cmd.append(arg)
+ header("Compile")
+ print "+", " ".join(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
- import socket
- s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- s.bind(("", 0))
- port = s.getsockname()[1]
- s.close()
- return port
-
class Spike(object):
- logname = "spike-%d.log" % os.getpid()
-
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."""
+ self.process = None
+
+ if target.harts:
+ harts = target.harts
+ else:
+ harts = [target]
+
+ cmd = self.command(target, harts, halted, timeout, with_jtag_gdb)
+ self.infinite_loop = target.compile(harts[0],
+ "programs/checksum.c", "programs/tiny-malloc.c",
+ "programs/infinite_loop.S", "-DDEFINE_MALLOC", "-DDEFINE_FREE")
+ cmd.append(self.infinite_loop)
+ self.logfile = tempfile.NamedTemporaryFile(prefix="spike-",
+ suffix=".log")
+ self.logname = self.logfile.name
+ self.logfile.write("+ %s\n" % " ".join(cmd))
+ self.logfile.flush()
+ self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
+ stdout=self.logfile, stderr=self.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)
+ if not self.port:
+ print_log(self.logname)
+ raise Exception("Didn't get spike message about bitbang "
+ "connection")
+
+ def command(self, target, harts, halted, timeout, with_jtag_gdb):
+ # pylint: disable=no-self-use
if target.sim_cmd:
cmd = shlex.split(target.sim_cmd)
else:
spike = os.path.expandvars("$RISCV/bin/spike")
cmd = [spike]
- if target.xlen == 32:
+
+ cmd += ["-p%d" % len(harts)]
+
+ 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"]
else:
cmd += ["--isa", "RV64G"]
- cmd += ["-m0x%x:0x%x" % (target.ram, target.ram_size)]
+
+ assert len(set(t.ram for t in harts)) == 1, \
+ "All spike harts must have the same RAM layout"
+ assert len(set(t.ram_size for t in harts)) == 1, \
+ "All spike harts must have the same RAM layout"
+ cmd += ["-m0x%x:0x%x" % (harts[0].ram, harts[0].ram_size)]
if timeout:
cmd = ["timeout", str(timeout)] + cmd
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"
+ return cmd
def __del__(self):
- try:
- self.process.kill()
- self.process.wait()
- except OSError:
- pass
+ if self.process:
+ try:
+ self.process.kill()
+ self.process.wait()
+ except OSError:
+ pass
def wait(self, *args, **kwargs):
return self.process.wait(*args, **kwargs)
class VcsSim(object):
+ logname = "simv.log"
+
def __init__(self, sim_cmd=None, debug=False):
if sim_cmd:
cmd = shlex.split(sim_cmd)
if debug:
cmd[0] = cmd[0] + "-debug"
cmd += ["+vcdplusfile=output/gdbserver.vpd"]
- logfile = open("simv.log", "w")
+ logfile = open(self.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
- listenfile = open("simv.log", "r")
+ listenfile = open(self.logname, "r")
listenfile.seek(0, 2)
self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=logfile, stderr=logfile)
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
- def __init__(self, server_cmd=None, config=None, debug=False):
if server_cmd:
cmd = shlex.split(server_cmd)
else:
logfile = open(Openocd.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
- self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
- stdout=logfile, stderr=logfile)
- # Wait for OpenOCD to have made it through riscv_examine(). When using
- # OpenOCD to communicate with a simulator this may take a long time,
- # and gdb will time out when trying to connect if we attempt too early.
- start = time.time()
- messaged = False
- while True:
- log = open(Openocd.logname).read()
- 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")
+ self.gdb_ports = []
+ self.process = self.start(cmd, logfile)
+
+ def start(self, cmd, logfile):
+ process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
+ stdout=logfile, stderr=logfile)
try:
- self.port = self._get_gdb_server_port()
- except:
- header("OpenOCD log")
- sys.stdout.write(log)
- raise
+ # Wait for OpenOCD to have made it through riscv_examine(). When
+ # using OpenOCD to communicate with a simulator this may take a
+ # long time, and gdb will time out when trying to connect if we
+ # attempt too early.
+ start = time.time()
+ messaged = False
+ fd = open(Openocd.logname, "r")
+ while True:
+ line = fd.readline()
+ if not line:
+ if not process.poll() is None:
+ raise Exception("OpenOCD exited early.")
+ time.sleep(0.1)
+ continue
+
+ m = re.search(r"Listening on port (\d+) for gdb connections",
+ line)
+ if m:
+ self.gdb_ports.append(int(m.group(1)))
+
+ if "telnet server disabled" in line:
+ return process
- 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.")
+ if not messaged and time.time() - start > 1:
+ messaged = True
+ print "Waiting for OpenOCD to start..."
+ if (time.time() - start) > self.timeout:
+ raise Exception("Timed out waiting for OpenOCD to "
+ "listen for gdb")
+
+ except Exception:
+ print_log(Openocd.logname)
+ raise
def __del__(self):
try:
Exception.__init__(self)
self.address = address
-Thread = collections.namedtuple('Thread', ('id', 'target_id', 'name',
- 'frame'))
+Thread = collections.namedtuple('Thread', ('id', 'description', 'target_id',
+ 'name', 'frame'))
class Gdb(object):
- logfile = tempfile.NamedTemporaryFile(prefix="gdb", suffix=".log")
- logname = logfile.name
+ """A single gdb class which can interact with one or more gdb instances."""
+
+ # pylint: disable=too-many-public-methods
+
+ def __init__(self, ports,
+ cmd=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb"),
+ binary=None):
+ assert ports
+
+ self.stack = []
+
+ self.logfiles = []
+ self.children = []
+ for port in ports:
+ logfile = tempfile.NamedTemporaryFile(prefix="gdb@%d-" % port,
+ suffix=".log")
+ self.logfiles.append(logfile)
+ child = pexpect.spawn(cmd)
+ child.logfile = logfile
+ child.logfile.write("+ %s\n" % cmd)
+ self.children.append(child)
+ self.active_child = self.children[0]
+
+ self.harts = {}
+ for port, child in zip(ports, self.children):
+ self.select_child(child)
+ self.wait()
+ self.command("set confirm off")
+ self.command("set width 0")
+ self.command("set height 0")
+ # Force consistency.
+ self.command("set print entry-values no")
+ self.command("target extended-remote localhost:%d" % port)
+ if binary:
+ self.command("file %s" % binary)
+ threads = self.threads()
+ for t in threads:
+ hartid = None
+ if t.name:
+ m = re.search(r"Hart (\d+)", t.name)
+ if m:
+ hartid = int(m.group(1))
+ if hartid is None:
+ if self.harts:
+ hartid = max(self.harts) + 1
+ else:
+ hartid = 0
+ self.harts[hartid] = (child, t)
- def __init__(self,
- cmd=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb")):
- self.child = pexpect.spawn(cmd)
- self.child.logfile = open(self.logname, "w")
- self.child.logfile.write("+ %s\n" % cmd)
- self.wait()
- self.command("set confirm off")
- self.command("set width 0")
- self.command("set height 0")
- # Force consistency.
- self.command("set print entry-values no")
+ def __del__(self):
+ for child in self.children:
+ del child
+
+ def lognames(self):
+ return [logfile.name for logfile in self.logfiles]
+
+ def select_child(self, child):
+ 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
+
+ def push_state(self):
+ self.stack.append({
+ 'active_child': self.active_child
+ })
+
+ def pop_state(self):
+ state = self.stack.pop()
+ self.active_child = state['active_child']
def wait(self):
"""Wait for prompt."""
- self.child.expect(r"\(gdb\)")
+ self.active_child.expect(r"\(gdb\)")
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()
+ """timeout is in seconds"""
+ self.active_child.sendline(command)
+ self.active_child.expect("\n", timeout=timeout)
+ self.active_child.expect(r"\(gdb\)", timeout=timeout)
+ return self.active_child.before.strip()
+
+ def global_command(self, command):
+ """Execute this command on every gdb that we control."""
+ with PrivateState(self):
+ for child in self.children:
+ self.select_child(child)
+ self.command(command)
def c(self, wait=True, timeout=-1, async=False):
+ """
+ Dumb c command.
+ In RTOS mode, gdb will resume all harts.
+ In multi-gdb mode, this command will just go to the current gdb, so
+ will only resume one hart.
+ """
if async:
async = "&"
else:
assert "Continuing" in output
return output
else:
- self.child.sendline("c%s" % async)
- self.child.expect("Continuing")
+ self.active_child.sendline("c%s" % async)
+ self.active_child.expect("Continuing")
+
+ def c_all(self):
+ """
+ Resume every hart.
+
+ This function works fine when using multiple gdb sessions, but the
+ caller must be careful when using it nonetheless. gdb's behavior is to
+ not set breakpoints until just before the hart is resumed, and then
+ clears them as soon as the hart halts. That means that you can't set
+ one software breakpoint, and expect multiple harts to hit it. It's
+ possible that the first hart completes set/run/halt/clear before the
+ second hart even gets to resume, so it will never hit the breakpoint.
+ """
+ with PrivateState(self):
+ for child in self.children:
+ child.sendline("c")
+ child.expect("Continuing")
+
+ # Now wait for them all to halt
+ for child in self.children:
+ child.expect(r"\(gdb\)")
def interrupt(self):
- self.child.send("\003")
- self.child.expect(r"\(gdb\)", timeout=6000)
- return self.child.before.strip()
+ self.active_child.send("\003")
+ self.active_child.expect(r"\(gdb\)", timeout=6000)
+ return self.active_child.before.strip()
def x(self, address, size='w'):
output = self.command("x/%s %s" % (size, address))
raise CannotAccess(int(m.group(1), 0))
return output.split('=')[-1].strip()
- def p(self, obj):
- output = self.command("p/x %s" % obj)
+ def parse_string(self, text):
+ text = text.strip()
+ if text.startswith("{") and text.endswith("}"):
+ inner = text[1:-1]
+ return [self.parse_string(t) for t in inner.split(", ")]
+ elif text.startswith('"') and text.endswith('"'):
+ return text[1:-1]
+ else:
+ return int(text, 0)
+
+ def p(self, obj, fmt="/x"):
+ output = self.command("p%s %s" % (fmt, obj))
m = re.search("Cannot access memory at address (0x[0-9a-f]+)", output)
if m:
raise CannotAccess(int(m.group(1), 0))
- value = int(output.split('=')[-1].strip(), 0)
- return value
+ rhs = output.split('=')[-1]
+ return self.parse_string(rhs)
def p_string(self, obj):
output = self.command("p %s" % obj)
return value
def stepi(self):
- output = self.command("stepi")
+ output = self.command("stepi", timeout=60)
return output
def load(self):
threads = []
for line in output.splitlines():
m = re.match(
- r"[\s\*]*(\d+)\s*Thread (\d+)\s*\(Name: ([^\)]+)\s*(.*)",
- line)
+ r"[\s\*]*(\d+)\s*"
+ r"(Remote target|Thread (\d+)\s*\(Name: ([^\)]+))"
+ r"\s*(.*)", line)
if m:
threads.append(Thread(*m.groups()))
- if not threads:
- threads.append(Thread('1', '1', 'Default', '???'))
+ assert threads
+ #>>>if not threads:
+ #>>> threads.append(Thread('1', '1', 'Default', '???'))
return threads
def thread(self, thread):
return self.command("thread %s" % thread.id)
+ def where(self):
+ return self.command("where 1")
+
+class PrivateState(object):
+ def __init__(self, gdb):
+ self.gdb = gdb
+
+ def __enter__(self):
+ self.gdb.push_state()
+
+ def __exit__(self, _type, _value, _traceback):
+ self.gdb.pop_state()
+
def run_all_tests(module, target, parsed):
if not os.path.exists(parsed.logs):
os.makedirs(parsed.logs)
gdb_cmd = parsed.gdb
todo = []
- if parsed.misaval:
- target.misa = int(parsed.misaval, 16)
- print "Using $misa from command line: 0x%x" % target.misa
- elif target.misa:
- print "Using $misa from target definition: 0x%x" % target.misa
- else:
- todo.append(("ExamineTarget", ExamineTarget))
+ examine_added = False
+ for hart in target.harts:
+ if parsed.misaval:
+ hart.misa = int(parsed.misaval, 16)
+ print "Using $misa from command line: 0x%x" % hart.misa
+ elif hart.misa:
+ print "Using $misa from hart definition: 0x%x" % hart.misa
+ elif not examine_added:
+ todo.append(("ExamineTarget", ExamineTarget, None))
+ examine_added = True
for name in dir(module):
definition = getattr(module, name)
- if type(definition) == type and hasattr(definition, 'test') and \
+ if isinstance(definition, type) and hasattr(definition, 'test') and \
(not parsed.test or any(test in name for test in parsed.test)):
- todo.append((name, definition))
+ todo.append((name, definition, None))
results, count = run_tests(parsed, target, todo)
results = {}
count = 0
- for name, definition in todo:
- instance = definition(target)
+ for name, definition, hart in todo:
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, "...",
+ print "[%s] Starting > %s" % (name, log_name)
+ instance = definition(target, hart)
sys.stdout.flush()
log_fd.write("Test: %s\n" % name)
log_fd.write("Target: %s\n" % type(target).__name__)
real_stdout = sys.stdout
sys.stdout = log_fd
try:
- result = instance.run()
+ result = instance.run(real_stdout)
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)
+ 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())
sys.stdout.flush()
- results.setdefault(result, []).append(name)
+ results.setdefault(result, []).append((name, log_name))
count += 1
if result not in good_results and parsed.fail_fast:
break
print "%d tests returned %s" % (len(value), key)
if key not in good_results:
result = 1
- for test in value:
- print " ", test
+ for name, log_name in value:
+ print " %s > %s" % (name, log_name)
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("--print-failures", action="store_true",
+ help="When a test fails, print the log file to stdout.")
parser.add_argument("test", nargs='*',
help="Run only tests that are named here.")
parser.add_argument("--gdb",
def print_log(path):
header(path)
- lines = open(path, "r").readlines()
- for l in lines:
+ for l in open(path, "r"):
sys.stdout.write(l)
print
class BaseTest(object):
compiled = {}
- def __init__(self, target):
+ def __init__(self, target, hart=None):
self.target = target
+ if hart:
+ self.hart = hart
+ else:
+ self.hart = random.choice(target.harts)
+ self.hart = target.harts[-1] #<<<
self.server = None
self.target_process = None
self.binary = None
compile_args = getattr(self, 'compile_args', None)
if compile_args:
if compile_args not in BaseTest.compiled:
- # pylint: disable=star-args
BaseTest.compiled[compile_args] = \
- self.target.compile(*compile_args)
+ self.target.compile(self.hart, *compile_args)
self.binary = BaseTest.compiled.get(compile_args)
def classSetup(self):
self.compile()
self.target_process = self.target.create()
- self.server = self.target.server()
- self.logs.append(self.server.logname)
+ if self.target_process:
+ self.logs.append(self.target_process.logname)
+ try:
+ self.server = self.target.server()
+ self.logs.append(self.server.logname)
+ except Exception:
+ for log in self.logs:
+ print_log(log)
+ raise
def classTeardown(self):
del self.server
del self.target_process
- def run(self):
+ def postMortem(self):
+ pass
+
+ def run(self, real_stdout):
"""
If compile_args is set, compile a program and set self.binary.
self.start = time.time()
- self.classSetup()
-
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:
print e.message
header("Traceback")
traceback.print_exc(file=sys.stdout)
+ try:
+ self.postMortem()
+ except Exception as e: # pylint: disable=broad-except
+ header("postMortem Exception")
+ print e
+ traceback.print_exc(file=sys.stdout)
return result
finally:
gdb_cmd = None
class GdbTest(BaseTest):
- def __init__(self, target):
- BaseTest.__init__(self, target)
+ def __init__(self, target, hart=None):
+ BaseTest.__init__(self, target, hart=hart)
self.gdb = None
def classSetup(self):
BaseTest.classSetup(self)
if gdb_cmd:
- self.gdb = Gdb(gdb_cmd)
+ self.gdb = Gdb(self.server.gdb_ports, gdb_cmd, binary=self.binary)
else:
- self.gdb = Gdb()
+ self.gdb = Gdb(self.server.gdb_ports, binary=self.binary)
- self.logs.append(self.gdb.logname)
+ self.logs += self.gdb.lognames()
- 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.
- thread = random.choice(self.gdb.threads())
- self.gdb.thread(thread)
+ self.gdb.global_command("set arch riscv:rv%d" % self.hart.xlen)
+ self.gdb.global_command("set remotetimeout %d" %
+ self.target.timeout_sec)
+
+ for cmd in self.target.gdb_setup:
+ self.gdb.command(cmd)
+
+ self.gdb.select_hart(self.hart)
# FIXME: OpenOCD doesn't handle PRIV now
#self.gdb.p("$priv=3")
+ def postMortem(self):
+ if not self.gdb:
+ return
+ self.gdb.interrupt()
+ self.gdb.command("info registers all", timeout=10)
+
def classTeardown(self):
del self.gdb
BaseTest.classTeardown(self)
+class GdbSingleHartTest(GdbTest):
+ def classSetup(self):
+ GdbTest.classSetup(self)
+
+ 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("$pc=loop_forever")
+ self.gdb.select_hart(self.hart)
+
class ExamineTarget(GdbTest):
def test(self):
- self.target.misa = self.gdb.p("$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 $misa (0x%x)" %
- self.target.misa)
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
+
+ hart.misa = self.gdb.p("$misa")
+
+ txt = "RV"
+ if (hart.misa >> 30) == 1:
+ txt += "32"
+ elif (hart.misa >> 62) == 2:
+ txt += "64"
+ elif (hart.misa >> 126) == 3:
+ txt += "128"
+ else:
+ raise TestFailed("Couldn't determine XLEN from $misa (0x%x)" %
+ self.hart.misa)
- for i in range(26):
- if self.target.misa & (1<<i):
- txt += chr(i + ord('A'))
- print txt,
+ for i in range(26):
+ if hart.misa & (1<<i):
+ txt += chr(i + ord('A'))
+ print txt,
class TestFailed(Exception):
def __init__(self, message):
projects / riscv-tests.git / blobdiff