def compile(args, xlen=32): # pylint: disable=redefined-builtin
cc = os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gcc")
cmd = [cc, "-g"]
- if (xlen == 32):
+ if xlen == 32:
cmd.append("-march=rv32imac")
cmd.append("-mabi=ilp32")
else:
cmd.append("-march=rv64imac")
- cmd.append("-mabi=lp64")
+ cmd.append("-mabi=lp64")
for arg in args:
found = find_file(arg)
if found:
return port
class Spike(object):
- logname = "spike.log"
+ logname = "spike-%d.log" % os.getpid()
- def __init__(self, sim_cmd, binary=None, halted=False, with_jtag_gdb=True,
- timeout=None, xlen=64):
+ def __init__(self, target, halted=False, timeout=None, with_jtag_gdb=True):
"""Launch spike. Return tuple of its process and the port it's running
on."""
- if sim_cmd:
- cmd = shlex.split(sim_cmd)
+ if target.sim_cmd:
+ cmd = shlex.split(target.sim_cmd)
else:
spike = os.path.expandvars("$RISCV/bin/spike")
cmd = [spike]
- if xlen == 32:
- cmd += ["--isa", "RV32"]
+ if target.xlen == 32:
+ cmd += ["--isa", "RV32G"]
+ else:
+ cmd += ["--isa", "RV64G"]
+ cmd += ["-m0x%x:0x%x" % (target.ram, target.ram_size)]
if timeout:
cmd = ["timeout", str(timeout)] + cmd
if with_jtag_gdb:
cmd += ['--rbb-port', '0']
os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
- cmd.append("-m32")
- cmd.append('pk')
- if binary:
- cmd.append(binary)
+ self.infinite_loop = target.compile(
+ "programs/checksum.c", "programs/tiny-malloc.c",
+ "programs/infinite_loop.c", "-DDEFINE_MALLOC", "-DDEFINE_FREE")
+ cmd.append(self.infinite_loop)
logfile = open(self.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
class VcsSim(object):
def __init__(self, sim_cmd=None, debug=False):
if sim_cmd:
- cmd = shlex.split(simv)
+ cmd = shlex.split(sim_cmd)
else:
cmd = ["simv"]
cmd += ["+jtag_vpi_enable"]
stdout=logfile, stderr=logfile)
done = False
while not done:
+ # Fail if VCS exits early
+ exit_code = self.process.poll()
+ if exit_code is not None:
+ raise RuntimeError('VCS simulator exited early with status %d'
+ % exit_code)
+
line = listenfile.readline()
if not line:
time.sleep(1)
pass
class Openocd(object):
- logname = "openocd.log"
+ logname = "openocd-%d.log" % os.getpid()
def __init__(self, server_cmd=None, config=None, debug=False):
if server_cmd:
cmd = shlex.split(server_cmd)
else:
- openocd = os.path.expandvars("$RISCV/bin/riscv-openocd")
+ openocd = os.path.expandvars("$RISCV/bin/openocd")
cmd = [openocd]
- if (debug):
+ 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 += [
if config:
f = find_file(config)
if f is None:
- print("Unable to read file " + config)
+ print "Unable to read file " + config
exit(1)
cmd += ["-f", f]
messaged = False
while True:
log = open(Openocd.logname).read()
- if "OK GO NOW" in log:
+ if "Ready for Remote Connections" in log:
break
if not self.process.poll() is None:
raise Exception(
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.port = self._get_gdb_server_port()
global gdb_cmd # pylint: disable=global-statement
gdb_cmd = parsed.gdb
- todo = [("ExamineTarget", ExamineTarget)]
+ todo = []
+ if parsed.misaval:
+ target.misa = int(parsed.misaval, 16)
+ print "Assuming $MISA value of 0x%x. Skipping ExamineTarget." % \
+ target.misa
+ else:
+ todo.append(("ExamineTarget", ExamineTarget))
+
for name in dir(module):
definition = getattr(module, name)
if type(definition) == type and hasattr(definition, 'test') and \
return result
def add_test_run_options(parser):
+
parser.add_argument("--fail-fast", "-f", action="store_true",
help="Exit as soon as any test fails.")
parser.add_argument("test", nargs='*',
help="Run only tests that are named here.")
parser.add_argument("--gdb",
help="The command to use to start gdb.")
+ parser.add_argument("--misaval",
+ help="Don't run ExamineTarget, just assume the misa value which is "
+ "specified.")
def header(title, dash='-'):
if title:
self.gdb.command(
"target extended-remote localhost:%d" % self.server.port)
- self.gdb.p("$priv=3")
+ # FIXME: OpenOCD doesn't handle PRIV now
+ #self.gdb.p("$priv=3")
def classTeardown(self):
del self.gdb
elif (self.target.misa >> 126) == 3:
txt += "128"
else:
- txt += "??"
+ raise TestFailed("Couldn't determine XLEN from $misa (0x%x)" %
+ self.target.misa)
for i in range(26):
if self.target.misa & (1<<i):