return None
def compile(args, xlen=32): # pylint: disable=redefined-builtin
- cc = os.path.expandvars("$RISCV/bin/riscv%d-unknown-elf-gcc" % xlen)
+ cc = os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gcc")
cmd = [cc, "-g"]
+ if (xlen == 32):
+ cmd.append("-march=rv32imac")
+ cmd.append("-mabi=ilp32")
+ else:
+ cmd.append("-march=rv64imac")
+ cmd.append("-mabi=lp64")
for arg in args:
found = find_file(arg)
if found:
else:
cmd.append(arg)
process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
- stderr=subprocess.PIPE)
+ stderr=subprocess.PIPE)
stdout, stderr = process.communicate()
if process.returncode:
print
class Spike(object):
logname = "spike.log"
- def __init__(self, cmd, binary=None, halted=False, with_jtag_gdb=True,
+ def __init__(self, sim_cmd, binary=None, halted=False, with_jtag_gdb=True,
timeout=None, xlen=64):
"""Launch spike. Return tuple of its process and the port it's running
on."""
- if cmd:
- cmd = shlex.split(cmd)
+ if sim_cmd:
+ cmd = shlex.split(sim_cmd)
else:
- cmd = ["spike"]
+ spike = os.path.expandvars("$RISCV/bin/spike")
+ cmd = [spike]
if xlen == 32:
- cmd += ["--isa", "RV32"]
+ cmd += ["--isa", "RV32G"]
+ else:
+ cmd += ["--isa", "RV64G"]
if timeout:
cmd = ["timeout", str(timeout)] + cmd
if with_jtag_gdb:
cmd += ['--rbb-port', '0']
os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
- cmd.append("-m32")
- cmd.append('pk')
+ cmd.append('programs/infinite_loop')
if binary:
cmd.append(binary)
logfile = open(self.logname, "w")
return self.process.wait(*args, **kwargs)
class VcsSim(object):
- def __init__(self, simv=None, debug=False):
- if simv:
- cmd = shlex.split(simv)
+ def __init__(self, sim_cmd=None, debug=False):
+ if sim_cmd:
+ cmd = shlex.split(sim_cmd)
else:
cmd = ["simv"]
cmd += ["+jtag_vpi_enable"]
class Openocd(object):
logname = "openocd.log"
- def __init__(self, cmd=None, config=None, debug=False):
- if cmd:
- cmd = shlex.split(cmd)
+ def __init__(self, server_cmd=None, config=None, debug=False):
+ if server_cmd:
+ cmd = shlex.split(server_cmd)
else:
- cmd = ["openocd", "-d"]
-
+ openocd = os.path.expandvars("$RISCV/bin/riscv-openocd")
+ cmd = [openocd]
+ 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:
- cmd += ["-f", find_file(config)]
+ f = find_file(config)
+ if f is None:
+ print("Unable to read file " + config)
+ exit(1)
+
+ cmd += ["-f", f]
if debug:
cmd.append("-d")
messaged = False
while True:
log = open(Openocd.logname).read()
- if "Examined RISCV core" in log:
+ if "Ready for Remote Connections" in log:
break
if not self.process.poll() is None:
raise Exception(
elif matches:
[match] = matches
return int(match.group('port'))
- time.sleep(0.1)
+ time.sleep(1)
raise Exception("Timed out waiting for gdb server to obtain port.")
def __del__(self):
"""Wait for prompt."""
self.child.expect(r"\(gdb\)")
- def command(self, command, timeout=-1):
+ def command(self, command, timeout=6000):
self.child.sendline(command)
self.child.expect("\n", timeout=timeout)
self.child.expect(r"\(gdb\)", timeout=timeout)
def interrupt(self):
self.child.send("\003")
- self.child.expect(r"\(gdb\)", timeout=60)
+ self.child.expect(r"\(gdb\)", timeout=6000)
return self.child.before.strip()
def x(self, address, size='w'):
return output
def load(self):
- output = self.command("load", timeout=60)
+ output = self.command("load", timeout=6000)
assert "failed" not in output
assert "Transfer rate" in output
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