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("")
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]
+
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(
+ self.infinite_loop = harts[0].compile(
"programs/checksum.c", "programs/tiny-malloc.c",
"programs/infinite_loop.S", "-DDEFINE_MALLOC", "-DDEFINE_FREE")
cmd.append(self.infinite_loop)
"connection"
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 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):
+ def __init__(self, server_cmd=None, config=None, debug=False, timeout=60):
if server_cmd:
cmd = shlex.split(server_cmd)
else:
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()
- m = re.search(r"Listening on port (\d+) for gdb connections", log)
- if m:
- self.port = int(m.group(1))
- 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 start..."
- if time.time() - start > 60:
- raise Exception("ERROR: Timed out waiting for OpenOCD to "
- "listen for gdb")
+ try:
+ # 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()
+ m = re.search(r"Listening on port (\d+) for gdb connections",
+ log)
+ if m:
+ self.port = int(m.group(1))
+ break
+
+ if not self.process.poll() is None:
+ raise Exception(
+ "OpenOCD exited before completing riscv_examine()")
+ if not messaged and time.time() - start > 1:
+ messaged = True
+ print "Waiting for OpenOCD to start..."
+ if (time.time() - start) > timeout:
+ raise Exception("ERROR: Timed out waiting for OpenOCD to "
+ "listen for gdb")
+
+ except Exception:
+ header("OpenOCD log")
+ sys.stdout.write(log)
+ raise
def __del__(self):
try:
class Gdb(object):
logfile = tempfile.NamedTemporaryFile(prefix="gdb", suffix=".log")
logname = logfile.name
+ print "GDB Temporary Log File: %s" % logname
def __init__(self,
cmd=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb")):
# Force consistency.
self.command("set print entry-values no")
+ def select_hart(self, hart):
+ output = self.command("thread %d" % (hart.index + 1))
+ assert "Unknown" not in output
+
def wait(self):
"""Wait for prompt."""
self.child.expect(r"\(gdb\)")
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))
+ 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
+ else:
+ todo.append(("ExamineTarget", ExamineTarget, hart))
for name in dir(module):
definition = getattr(module, name)
if type(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 %s > %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__)
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.server = None
self.target_process = None
self.binary = None
if compile_args not in BaseTest.compiled:
# pylint: disable=star-args
BaseTest.compiled[compile_args] = \
- self.target.compile(*compile_args)
+ self.hart.compile(*compile_args)
self.binary = BaseTest.compiled.get(compile_args)
def classSetup(self):
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):
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 arch riscv:rv%d" % self.hart.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.select_hart(self.hart)
for cmd in self.target.gdb_setup:
self.gdb.command(cmd)
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")