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("")
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 target.sim_cmd:
- cmd = shlex.split(target.sim_cmd)
- else:
- spike = os.path.expandvars("$RISCV/bin/spike")
- cmd = [spike]
- if target.xlen == 32:
- cmd += ["--isa", "RV32G"]
- else:
- cmd += ["--isa", "RV64G"]
- cmd += ["-m0x%x:0x%x" % (target.ram, target.ram_size)]
+ self.process = None
- if timeout:
- cmd = ["timeout", str(timeout)] + cmd
+ if target.harts:
+ harts = target.harts
+ else:
+ harts = [target]
- if halted:
- cmd.append('-H')
- if with_jtag_gdb:
- cmd += ['--rbb-port', '0']
- os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
- self.infinite_loop = target.compile(
+ cmd = self.command(target, harts, halted, timeout, with_jtag_gdb)
+ self.infinite_loop = target.compile(harts[0],
"programs/checksum.c", "programs/tiny-malloc.c",
"programs/infinite_loop.S", "-DDEFINE_MALLOC", "-DDEFINE_FREE")
cmd.append(self.infinite_loop)
os.environ['REMOTE_BITBANG_PORT'] = m.group(1)
break
time.sleep(0.11)
- assert self.port, "Didn't get spike message about bitbang " \
- "connection"
+ if not self.port:
+ print_log(self.logname)
+ raise Exception("Didn't get spike message about bitbang "
+ "connection")
+
+ def command(self, target, harts, halted, timeout, with_jtag_gdb):
+ # pylint: disable=no-self-use
+ if target.sim_cmd:
+ cmd = shlex.split(target.sim_cmd)
+ else:
+ spike = os.path.expandvars("$RISCV/bin/spike")
+ cmd = [spike]
+
+ 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"]
+
+ 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 halted:
+ cmd.append('-H')
+ if with_jtag_gdb:
+ cmd += ['--rbb-port', '0']
+ os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
+
+ 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)
print "OpenOCD Temporary Log File: %s" % logname
def __init__(self, server_cmd=None, config=None, debug=False, timeout=60):
+ self.timeout = timeout
+
if server_cmd:
cmd = shlex.split(server_cmd)
else:
if debug:
cmd.append("-d")
- logfile = Openocd.logfile
+ logfile = open(Openocd.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
- self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
+
+ self.ports = []
+ self.port = None
+ self.process = self.start(cmd, logfile)
+
+ def start(self, cmd, logfile):
+ process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=logfile, stderr=logfile)
try:
m = re.search(r"Listening on port (\d+) for gdb connections",
log)
if m:
- self.port = int(m.group(1))
+ if not self.ports:
+ self.port = int(m.group(1))
+ self.ports.append(int(m.group(1)))
+
+ if "telnet server disabled" in log:
break
- if not self.process.poll() is None:
+ if not 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:
+ if (time.time() - start) > self.timeout:
raise Exception("ERROR: Timed out waiting for OpenOCD to "
"listen for gdb")
-
+ return process
except Exception:
header("OpenOCD log")
sys.stdout.write(log)
def __init__(self,
cmd=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb")):
self.child = pexpect.spawn(cmd)
- Gdb.logfile.write("+ %s\n" % 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")
# 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"\(gdb\)")
def command(self, command, timeout=6000):
+ """timeout is in seconds"""
self.child.sendline(command)
self.child.expect("\n", timeout=timeout)
self.child.expect(r"\(gdb\)", timeout=timeout)
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)
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 \
(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__)
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
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):
del self.server
del self.target_process
+ def postMortem(self):
+ pass
+
def run(self):
"""
If compile_args is set, compile a program and set self.binary.
print e.message
header("Traceback")
traceback.print_exc(file=sys.stdout)
+ self.postMortem()
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):
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)
# 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