async def _main():
args = get_argparser().parse_args()
create_logger(args)
try:
firmware_file = os.path.join(os.path.dirname(__file__), "glasgow.ihex")
if args.action in ("build", "test", "tool"):
pass
elif args.action == "factory":
device = GlasgowHardwareDevice(firmware_file, VID_CYPRESS, PID_FX2)
else:
device = GlasgowHardwareDevice(firmware_file)
if args.action == "voltage":
if args.voltage is not None:
await device.reset_alert(args.ports)
await device.poll_alert() # clear any remaining alerts
try:
await device.set_voltage(args.ports, args.voltage)
except:
await device.set_voltage(args.ports, 0.0)
raise
if args.set_alert and args.voltage != 0.0:
await asyncio.sleep(
0.050) # let the output capacitor discharge a bit
await device.set_alert_tolerance(args.ports, args.voltage,
args.tolerance / 100)
print("Port\tVio\tVlimit\tVsense\tMonitor")
alerts = await device.poll_alert()
for port in args.ports:
vio = await device.get_voltage(port)
vlimit = await device.get_voltage_limit(port)
vsense = await device.measure_voltage(port)
alert = await device.get_alert(port)
notice = ""
if port in alerts:
notice += " (ALERT)"
print("{}\t{:.2}\t{:.2}\t{:.3}\t{:.2}-{:.2}\t{}".format(
port, vio, vlimit, vsense, alert[0], alert[1], notice))
if args.action == "voltage-limit":
if args.voltage is not None:
await device.set_voltage_limit(args.ports, args.voltage)
print("Port\tVio\tVlimit")
for port in args.ports:
vio = await device.get_voltage(port)
vlimit = await device.get_voltage_limit(port)
print("{}\t{:.2}\t{:.2}".format(port, vio, vlimit))
if args.action == "run":
if args.applet:
target, applet = _applet(device.revision, args)
device.demultiplexer = DirectDemultiplexer(device)
await device.download_target(
target,
rebuild=args.rebuild,
toolchain_opts=_toolchain_opts(args))
if args.trace:
logger.info("starting applet analyzer")
await device.write_register(target.analyzer.addr_done, 0)
analyzer_iface = await device.demultiplexer.claim_interface(
target.analyzer,
target.analyzer.mux_interface,
args=None)
trace_decoder = TraceDecoder(target.analyzer.event_sources)
vcd_writer = VCDWriter(
args.trace,
timescale="1 ns",
check_values=False,
comment='Generated by Glasgow for bitstream ID %s' %
target.get_bitstream_id().hex())
async def run_analyzer():
if not args.trace:
return
signals = {}
strobes = set()
for field_name, field_trigger, field_width in trace_decoder.events(
):
if field_trigger == "throttle":
var_type = "wire"
var_init = 0
elif field_trigger == "change":
var_type = "wire"
var_init = "x"
elif field_trigger == "strobe":
if field_width > 0:
var_type = "tri"
var_init = "z"
else:
var_type = "event"
var_init = ""
else:
assert False
signals[field_name] = vcd_writer.register_var(
scope="",
name=field_name,
var_type=var_type,
size=field_width,
init=var_init)
if field_trigger == "strobe":
strobes.add(field_name)
init = True
while not trace_decoder.is_done():
trace_decoder.process(await analyzer_iface.read())
for cycle, events in trace_decoder.flush():
if events == "overrun":
target.analyzer.logger.error(
"FIFO overrun, shutting down")
for name in signals:
vcd_writer.change(signals[name],
next_timestamp, "x")
timestamp += 1e3 # 1us
break
event_repr = " ".join("{}={}".format(n, v)
for n, v in events.items())
target.analyzer.logger.trace(
"cycle %d: %s", cycle, event_repr)
timestamp = 1e9 * (cycle +
0) // target.sys_clk_freq
next_timestamp = 1e9 * (cycle +
1) // target.sys_clk_freq
if init:
init = False
vcd_writer._timestamp = timestamp
for name, value in events.items():
vcd_writer.change(signals[name], timestamp,
value)
for name, _value in events.items():
if name in strobes:
vcd_writer.change(signals[name],
next_timestamp, "z")
vcd_writer.flush()
vcd_writer.close(timestamp)
async def run_applet():
logger.info("running handler for applet %r", args.applet)
try:
iface = await applet.run(device, args)
await applet.interact(device, args, iface)
except GlasgowAppletError as e:
applet.logger.error(str(e))
finally:
if args.trace:
await device.write_register(
target.analyzer.addr_done, 1)
done, pending = await asyncio.wait(
[run_analyzer(), run_applet()],
return_when=asyncio.FIRST_EXCEPTION)
for task in done:
await task
# Work around bugs in python-libusb1 that cause segfaults on interpreter shutdown.
await device.demultiplexer.flush()
else:
with args.bitstream as f:
logger.info("downloading bitstream from %r", f.name)
await device.download_bitstream(f.read())
if args.action == "tool":
tool = GlasgowApplet.all_applets[args.applet].tool_cls()
await tool.run(args)
if args.action == "flash":
logger.info("reading device configuration")
header = await device.read_eeprom("fx2", 0,
8 + 4 + GlasgowConfig.size)
header[0] = 0xC2 # see below
fx2_config = FX2Config.decode(header, partial=True)
if (len(fx2_config.firmware) != 1
or fx2_config.firmware[0][0] != 0x4000 - GlasgowConfig.size
or len(fx2_config.firmware[0][1]) != GlasgowConfig.size):
raise SystemExit(
"Unrecognized or corrupted configuration block")
glasgow_config = GlasgowConfig.decode(fx2_config.firmware[0][1])
logger.info("device has serial %s-%s", glasgow_config.revision,
glasgow_config.serial)
if fx2_config.disconnect:
logger.info("device has flashed firmware")
else:
logger.info("device does not have flashed firmware")
if glasgow_config.bitstream_size:
logger.info("device has flashed bitstream ID %s",
glasgow_config.bitstream_id.hex())
else:
logger.info("device does not have flashed bitstream")
new_bitstream = b""
if args.remove_bitstream:
logger.info("removing bitstream")
glasgow_config.bitstream_size = 0
glasgow_config.bitstream_id = b"\x00" * 16
elif args.bitstream:
logger.info("using bitstream from %s", args.bitstream.name)
with args.bitstream as f:
new_bitstream = f.read()
glasgow_config.bitstream_size = len(new_bitstream)
glasgow_config.bitstream_id = b"\xff" * 16
elif args.applet:
logger.info("building bitstream for applet %s", args.applet)
target, applet = _applet(device.revision, args)
new_bitstream_id = target.get_bitstream_id()
new_bitstream = target.get_bitstream(**_toolchain_opts(args))
# We always build and reflash the bitstream in case the one currently
# in EEPROM is corrupted. If we only compared the ID, there would be
# no easy way to recover from that case. There's also no point in
# storing the bitstream hash (as opposed to Verilog hash) in the ID,
# as building the bitstream takes much longer than flashing it.
logger.info("built bitstream ID %s", new_bitstream_id.hex())
glasgow_config.bitstream_size = len(new_bitstream)
glasgow_config.bitstream_id = new_bitstream_id
fx2_config.firmware[0] = (0x4000 - GlasgowConfig.size,
glasgow_config.encode())
if args.remove_firmware:
logger.info("removing firmware")
fx2_config.disconnect = False
new_image = fx2_config.encode()
new_image[0] = 0xC0 # see below
else:
logger.info(
"using firmware from %r",
args.firmware.name if args.firmware else firmware_file)
with (args.firmware or open(firmware_file, "rb")) as f:
for (addr, chunk) in input_data(f, fmt="ihex"):
fx2_config.append(addr, chunk)
fx2_config.disconnect = True
new_image = fx2_config.encode()
if new_bitstream:
logger.info("programming bitstream")
old_bitstream = await device.read_eeprom(
"ice", 0, len(new_bitstream))
if old_bitstream != new_bitstream:
for (addr, chunk) in diff_data(old_bitstream,
new_bitstream):
await device.write_eeprom("ice", addr, chunk)
logger.info("verifying bitstream")
if await device.read_eeprom(
"ice", 0, len(new_bitstream)) != new_bitstream:
logger.critical("bitstream programming failed")
return 1
else:
logger.info("bitstream identical")
logger.info("programming configuration and firmware")
old_image = await device.read_eeprom("fx2", 0, len(new_image))
if old_image != new_image:
for (addr, chunk) in diff_data(old_image, new_image):
await device.write_eeprom("fx2", addr, chunk)
logger.info("verifying configuration and firmware")
if await device.read_eeprom("fx2", 0,
len(new_image)) != new_image:
logger.critical(
"configuration/firmware programming failed")
return 1
else:
logger.info("configuration and firmware identical")
if args.action == "build":
target, applet = _applet(args.rev, args)
if args.type in ("v", "verilog"):
logger.info("building Verilog for applet %r", args.applet)
target.get_verilog().write(args.filename or args.applet + ".v")
if args.type in ("bin", "bitstream"):
logger.info("building bitstream for applet %r", args.applet)
with open(args.filename or args.applet + ".bin", "wb") as f:
f.write(target.get_bitstream(**_toolchain_opts(args)))
if args.type in ("zip", "archive"):
logger.info("building archive for applet %r", args.applet)
with target.get_build_tree() as tree:
if args.filename:
basename, = os.path.splitext(args.filename)
else:
basename = args.applet
shutil.make_archive(basename,
format="zip",
root_dir=tree,
logger=logger)
if args.action == "test":
logger.info("testing applet %r", args.applet)
applet = GlasgowApplet.all_applets[args.applet]()
loader = unittest.TestLoader()
stream = unittest.runner._WritelnDecorator(sys.stderr)
result = unittest.TextTestResult(stream=stream,
descriptions=True,
verbosity=2)
result.failfast = True
def startTest(test):
unittest.TextTestResult.startTest(result, test)
result.stream.write("\n")
result.startTest = startTest
if args.tests == []:
suite = loader.loadTestsFromTestCase(applet.test_cls)
suite.run(result)
else:
for test in args.tests:
suite = loader.loadTestsFromName(test,
module=applet.test_cls)
suite.run(result)
if not result.wasSuccessful():
for _, traceback in result.errors + result.failures:
print(traceback, end="", file=sys.stderr)
return 1
if args.action == "factory":
logger.info("reading device configuration")
header = await device.read_eeprom("fx2", 0,
8 + 4 + GlasgowConfig.size)
if not re.match(rb"^\xff+$", header):
if args.force:
logger.warning(
"device already factory-programmed, proceeding anyway")
else:
logger.error("device already factory-programmed")
return 1
fx2_config = FX2Config(vendor_id=VID_QIHW,
product_id=PID_GLASGOW,
device_id=1 + ord(args.rev) - ord('A'),
i2c_400khz=True)
glasgow_config = GlasgowConfig(args.rev, args.serial)
fx2_config.append(0x4000 - GlasgowConfig.size,
glasgow_config.encode())
image = fx2_config.encode()
# Let FX2 hardware enumerate. This won't load the configuration block
# into memory automatically, but the firmware has code that does that
# if it detects a C0 load.
image[0] = 0xC0
logger.info("programming device configuration")
await device.write_eeprom("fx2", 0, image)
logger.info("verifying device configuration")
if await device.read_eeprom("fx2", 0, len(image)) != image:
logger.critical("factory programming failed")
return 1
except GlasgowDeviceError as e:
logger.error(e)
return 1
except GatewareBuildError as e:
applet.logger.error(e)
return 1
return 0
async def _main():
args = get_argparser().parse_args()
root_logger = logging.getLogger()
root_logger.setLevel(logging.INFO + args.quiet * 10 - args.verbose * 10)
handler = logging.StreamHandler()
formatter_args = {"fmt": "[{levelname:>8s}] {name:s}: {message:s}", "style": "{"}
if sys.stderr.isatty() and sys.platform != 'win32':
handler.setFormatter(ANSIColorFormatter(**formatter_args))
else:
handler.setFormatter(logging.Formatter(**formatter_args))
root_logger.addHandler(handler)
try:
firmware_file = os.path.join(os.path.dirname(__file__), "glasgow.ihex")
if args.action in ("build", "test"):
pass
elif args.action == "factory":
device = GlasgowHardwareDevice(firmware_file, VID_CYPRESS, PID_FX2)
else:
device = GlasgowHardwareDevice(firmware_file)
if args.action == "voltage":
if args.voltage is not None:
await device.reset_alert(args.ports)
await device.poll_alert() # clear any remaining alerts
try:
await device.set_voltage(args.ports, args.voltage)
except:
await device.set_voltage(args.ports, 0.0)
raise
if args.set_alert and args.voltage != 0.0:
await asyncio.sleep(0.050) # let the output capacitor discharge a bit
await device.set_alert_tolerance(args.ports, args.voltage,
args.tolerance / 100)
print("Port\tVio\tVlimit\tVsense\tMonitor")
alerts = await device.poll_alert()
for port in args.ports:
vio = await device.get_voltage(port)
vlimit = await device.get_voltage_limit(port)
vsense = await device.measure_voltage(port)
alert = await device.get_alert(port)
notice = ""
if port in alerts:
notice += " (ALERT)"
print("{}\t{:.2}\t{:.2}\t{:.3}\t{:.2}-{:.2}\t{}"
.format(port, vio, vlimit, vsense, alert[0], alert[1], notice))
if args.action == "voltage-limit":
if args.voltage is not None:
await device.set_voltage_limit(args.ports, args.voltage)
print("Port\tVio\tVlimit")
for port in args.ports:
vio = await device.get_voltage(port)
vlimit = await device.get_voltage_limit(port)
print("{}\t{:.2}\t{:.2}"
.format(port, vio, vlimit))
if args.action == "run":
if args.applet:
target, applet = _applet(args)
device.demultiplexer = DirectDemultiplexer(device)
bitstream_id = target.get_bitstream_id()
if await device.bitstream_id() == bitstream_id and not args.force:
logger.info("device already has bitstream ID %s", bitstream_id.hex())
else:
logger.info("building bitstream ID %s for applet %r",
bitstream_id.hex(), args.applet)
await device.download_bitstream(target.get_bitstream(debug=True), bitstream_id)
logger.info("running handler for applet %r", args.applet)
try:
iface = await applet.run(device, args)
await applet.interact(device, args, iface)
except GlasgowAppletError as e:
applet.logger.error(str(e))
# Work around bugs in python-libusb1 that cause segfaults on interpreter shutdown.
await device.demultiplexer.flush()
else:
with args.bitstream as f:
logger.info("downloading bitstream from %r", f.name)
await device.download_bitstream(f.read())
if args.action == "flash":
logger.info("reading device configuration")
header = await device.read_eeprom("fx2", 0, 8 + 4 + GlasgowConfig.size)
header[0] = 0xC2 # see below
fx2_config = FX2Config.decode(header, partial=True)
if (len(fx2_config.firmware) != 1 or
fx2_config.firmware[0][0] != 0x4000 - GlasgowConfig.size or
len(fx2_config.firmware[0][1]) != GlasgowConfig.size):
raise SystemExit("Unrecognized or corrupted configuration block")
glasgow_config = GlasgowConfig.decode(fx2_config.firmware[0][1])
logger.info("device has serial %s-%s",
glasgow_config.revision, glasgow_config.serial)
if fx2_config.disconnect:
logger.info("device has flashed firmware")
else:
logger.info("device does not have flashed firmware")
if glasgow_config.bitstream_size:
logger.info("device has flashed bitstream ID %s",
glasgow_config.bitstream_id.hex())
else:
logger.info("device does not have flashed bitstream")
new_bitstream = b""
if args.remove_bitstream:
logger.info("removing bitstream")
glasgow_config.bitstream_size = 0
glasgow_config.bitstream_id = b"\x00"*16
elif args.bitstream:
logger.info("using bitstream from %s", args.bitstream.name)
with args.bitstream as f:
new_bitstream = f.read()
glasgow_config.bitstream_size = len(new_bitstream)
glasgow_config.bitstream_id = b"\xff"*16
elif args.applet:
logger.info("building bitstream for applet %s", args.applet)
target, applet = _applet(args)
new_bitstream_id = target.get_bitstream_id()
new_bitstream = target.get_bitstream(debug=True)
# We always build and reflash the bitstream in case the one currently
# in EEPROM is corrupted. If we only compared the ID, there would be
# no easy way to recover from that case. There's also no point in
# storing the bitstream hash (as opposed to Verilog hash) in the ID,
# as building the bitstream takes much longer than flashing it.
logger.info("built bitstream ID %s", new_bitstream_id.hex())
glasgow_config.bitstream_size = len(new_bitstream)
glasgow_config.bitstream_id = new_bitstream_id
fx2_config.firmware[0] = (0x4000 - GlasgowConfig.size, glasgow_config.encode())
if args.remove_firmware:
logger.info("removing firmware")
fx2_config.disconnect = False
new_image = fx2_config.encode()
new_image[0] = 0xC0 # see below
else:
logger.info("using firmware from %r",
args.firmware.name if args.firmware else firmware_file)
with (args.firmware or open(firmware_file, "rb")) as f:
for (addr, chunk) in input_data(f, fmt="ihex"):
fx2_config.append(addr, chunk)
fx2_config.disconnect = True
new_image = fx2_config.encode()
if new_bitstream:
logger.info("programming bitstream")
old_bitstream = await device.read_eeprom("ice", 0, len(new_bitstream))
if old_bitstream != new_bitstream:
for (addr, chunk) in diff_data(old_bitstream, new_bitstream):
await device.write_eeprom("ice", addr, chunk)
logger.info("verifying bitstream")
if await device.read_eeprom("ice", 0, len(new_bitstream)) != new_bitstream:
logger.critical("bitstream programming failed")
return 1
else:
logger.info("bitstream identical")
logger.info("programming configuration and firmware")
old_image = await device.read_eeprom("fx2", 0, len(new_image))
if old_image != new_image:
for (addr, chunk) in diff_data(old_image, new_image):
await device.write_eeprom("fx2", addr, chunk)
logger.info("verifying configuration and firmware")
if await device.read_eeprom("fx2", 0, len(new_image)) != new_image:
logger.critical("configuration/firmware programming failed")
return 1
else:
logger.info("configuration and firmware identical")
if args.action == "build":
target, applet = _applet(args)
logger.info("building bitstream for applet %r", args.applet)
if args.type in ("v", "verilog"):
target.get_verilog().write(args.filename or args.applet + ".v")
if args.type in ("bin", "bitstream"):
with open(args.filename or args.applet + ".bin", "wb") as f:
f.write(target.get_bitstream(debug=True))
if args.type in ("zip", "archive"):
with target.get_build_tree() as tree:
if args.filename:
basename, = os.path.splitext(args.filename)
else:
basename = args.applet
shutil.make_archive(basename, format="zip", root_dir=tree, logger=logger)
if args.action == "test":
logger.info("testing applet %r", args.applet)
applet = GlasgowApplet.all_applets[args.applet]()
loader = unittest.TestLoader()
stream = unittest.runner._WritelnDecorator(sys.stderr)
result = unittest.TextTestResult(stream=stream, descriptions=True, verbosity=2)
result.failfast = True
def startTest(test):
unittest.TextTestResult.startTest(result, test)
result.stream.write("\n")
result.startTest = startTest
if args.tests == []:
suite = loader.loadTestsFromTestCase(applet.test_cls)
suite.run(result)
else:
for test in args.tests:
suite = loader.loadTestsFromName(test, module=applet.test_cls)
suite.run(result)
if not result.wasSuccessful():
for _, traceback in result.errors + result.failures:
print(traceback, end="", file=sys.stderr)
return 1
if args.action == "internal-test":
if args.mode == "toggle-io":
await device.download_bitstream(TestToggleIO().get_bitstream(debug=True))
await device.set_voltage("AB", 3.3)
if args.mode == "mirror-i2c":
await device.download_bitstream(TestMirrorI2C().get_bitstream(debug=True))
await device.set_voltage("A", 3.3)
if args.mode == "shift-out":
await device.download_bitstream(TestShiftOut(is_async=args.is_async)
.get_bitstream(debug=True))
await device.set_voltage("A", 3.3)
if args.mode == "gen-seq":
await device.download_bitstream(TestGenSeq().get_bitstream(debug=True))
if args.mode == "pll":
await device.download_bitstream(TestPLL().get_bitstream(debug=True))
if args.mode == "registers":
await device.download_bitstream(TestRegisters().get_bitstream(debug=True))
if args.action == "factory":
logger.info("reading device configuration")
header = await device.read_eeprom("fx2", 0, 8 + 4 + GlasgowConfig.size)
if not re.match(rb"^\xff+$", header):
logger.error("device already factory-programmed")
return 1
fx2_config = FX2Config(vendor_id=VID_QIHW, product_id=PID_GLASGOW,
device_id=1 + ord(args.revision) - ord('A'),
i2c_400khz=True)
glasgow_config = GlasgowConfig(args.revision, args.serial)
fx2_config.append(0x4000 - GlasgowConfig.size, glasgow_config.encode())
image = fx2_config.encode()
# Let FX2 hardware enumerate. This won't load the configuration block
# into memory automatically, but the firmware has code that does that
# if it detects a C0 load.
image[0] = 0xC0
logger.info("programming device configuration")
await device.write_eeprom("fx2", 0, image)
logger.info("verifying device configuration")
if await device.read_eeprom("fx2", 0, len(image)) != image:
logger.critical("factory programming failed")
return 1
except GlasgowDeviceError as e:
logger.error(e)
return 1
return 0
async def _main():
args = get_argparser().parse_args()
create_logger(args)
device = None
try:
# TODO(py3.7): use importlib.resources
firmware_filename = os.path.join(os.path.dirname(__file__),
"glasgow.ihex")
if args.action in ("build", "test", "tool"):
pass
elif args.action == "factory":
device = GlasgowHardwareDevice(args.serial,
firmware_filename,
_factory_rev=args.factory_rev)
else:
device = GlasgowHardwareDevice(args.serial, firmware_filename)
if args.action == "voltage":
if args.voltage is not None:
await device.reset_alert(args.ports)
await device.poll_alert() # clear any remaining alerts
try:
await device.set_voltage(args.ports, args.voltage)
except:
await device.set_voltage(args.ports, 0.0)
raise
if args.set_alert and args.voltage != 0.0:
await asyncio.sleep(
0.050) # let the output capacitor discharge a bit
await device.set_alert_tolerance(args.ports, args.voltage,
args.tolerance / 100)
print("Port\tVio\tVlimit\tVsense\tMonitor")
alerts = await device.poll_alert()
for port in args.ports:
vio = await device.get_voltage(port)
vlimit = await device.get_voltage_limit(port)
vsense = await device.measure_voltage(port)
alert = await device.get_alert(port)
notice = ""
if port in alerts:
notice += " (ALERT)"
print("{}\t{:.2}\t{:.2}\t{:.3}\t{:.2}-{:.2}\t{}".format(
port, vio, vlimit, vsense, alert[0], alert[1], notice))
if args.action == "safe":
await device.reset_alert("AB")
await device.set_voltage("AB", 0.0)
await device.poll_alert() # clear any remaining alerts
logger.info("all ports safe")
if args.action == "voltage-limit":
if args.voltage is not None:
await device.set_voltage_limit(args.ports, args.voltage)
print("Port\tVio\tVlimit")
for port in args.ports:
vio = await device.get_voltage(port)
vlimit = await device.get_voltage_limit(port)
print("{}\t{:.2}\t{:.2}".format(port, vio, vlimit))
if args.action in ("run", "run-repl", "run-prebuilt"):
target, applet = _applet(device.revision, args)
device.demultiplexer = DirectDemultiplexer(
device, target.multiplexer.pipe_count)
plan = target.build_plan()
if args.action in ("run", "run-repl"):
await device.download_target(plan, rebuild=args.rebuild)
if args.action == "run-prebuilt":
bitstream_file = args.bitstream or open(
"{}.bin".format(args.applet), "rb")
with bitstream_file:
logger.warn("downloading prebuilt bitstream from %r",
bitstream_file.name)
await device.download_bitstream(bitstream_file.read())
do_trace = hasattr(args, "trace") and args.trace
if do_trace:
logger.info("starting applet analyzer")
await device.write_register(target.analyzer.addr_done, 0)
analyzer_iface = await device.demultiplexer.claim_interface(
target.analyzer, target.analyzer.mux_interface, args=None)
trace_decoder = TraceDecoder(target.analyzer.event_sources)
vcd_writer = VCDWriter(
args.trace,
timescale="1 ns",
check_values=False,
comment='Generated by Glasgow for bitstream ID %s' %
plan.bitstream_id.hex())
async def run_analyzer():
signals = {}
strobes = set()
for field_name, field_trigger, field_width in trace_decoder.events(
):
if field_trigger == "throttle":
var_type = "wire"
var_init = 0
elif field_trigger == "change":
var_type = "wire"
var_init = "x"
elif field_trigger == "strobe":
if field_width > 0:
var_type = "tri"
var_init = "z"
else:
var_type = "event"
var_init = ""
else:
assert False
signals[field_name] = vcd_writer.register_var(
scope="",
name=field_name,
var_type=var_type,
size=field_width,
init=var_init)
if field_trigger == "strobe":
strobes.add(field_name)
init = True
while not trace_decoder.is_done():
trace_decoder.process(await analyzer_iface.read())
for cycle, events in trace_decoder.flush():
if events == "overrun":
target.analyzer.logger.error(
"FIFO overrun, shutting down")
for name in signals:
vcd_writer.change(signals[name],
next_timestamp, "x")
timestamp += 1e3 # 1us
break
event_repr = " ".join("{}={}".format(n, v)
for n, v in events.items())
target.analyzer.logger.trace("cycle %d: %s", cycle,
event_repr)
timestamp = 1e9 * (cycle + 0) // target.sys_clk_freq
next_timestamp = 1e9 * (cycle +
1) // target.sys_clk_freq
if init:
init = False
vcd_writer._timestamp = timestamp
for name, value in events.items():
vcd_writer.change(signals[name], timestamp, value)
for name, _value in events.items():
if name in strobes:
vcd_writer.change(signals[name],
next_timestamp, "z")
vcd_writer.flush()
vcd_writer.close(timestamp)
async def run_applet():
logger.info("running handler for applet %r", args.applet)
if applet.preview:
logger.warn(
"applet %r is PREVIEW QUALITY and may CORRUPT DATA",
args.applet)
try:
iface = await applet.run(device, args)
if args.action in ("run", "run-prebuilt"):
await applet.interact(device, args, iface)
if args.action == "run-repl":
if applet.has_custom_repl:
logger.warn(
"applet provides customized REPL(s); consider using `run "
"{} ...-repl` subcommands".format(applet.name))
logger.info(
"dropping to REPL; use 'help(iface)' to see available APIs"
)
await AsyncInteractiveConsole(locals={
"iface": iface
}).interact()
except GlasgowAppletError as e:
applet.logger.error(str(e))
except asyncio.CancelledError:
pass # terminate gracefully
finally:
await device.demultiplexer.flush()
async def wait_for_sigint():
await wait_for_signal(signal.SIGINT)
logger.debug("Ctrl+C pressed, terminating")
if do_trace:
analyzer_task = asyncio.ensure_future(run_analyzer())
applet_task = asyncio.ensure_future(run_applet())
sigint_task = asyncio.ensure_future(wait_for_sigint())
tasks = [applet_task, sigint_task]
done, pending = await asyncio.wait(
tasks, return_when=asyncio.FIRST_COMPLETED)
for task in pending:
task.cancel()
for task in tasks:
try:
await task
except asyncio.CancelledError:
pass
if do_trace:
await device.write_register(target.analyzer.addr_done, 1)
await analyzer_task
await device.demultiplexer.cancel()
if args.action == "tool":
tool = GlasgowApplet.all_applets[args.applet].tool_cls()
try:
await tool.run(args)
except GlasgowAppletError as e:
tool.logger.error(e)
raise SystemExit()
if args.action == "flash":
logger.info("reading device configuration")
header = await device.read_eeprom("fx2", 0,
8 + 4 + GlasgowConfig.size)
header[0] = 0xC2 # see below
fx2_config = FX2Config.decode(header, partial=True)
if (len(fx2_config.firmware) != 1
or fx2_config.firmware[0][0] != 0x4000 - GlasgowConfig.size
or len(fx2_config.firmware[0][1]) != GlasgowConfig.size):
raise SystemExit(
"Unrecognized or corrupted configuration block")
glasgow_config = GlasgowConfig.decode(fx2_config.firmware[0][1])
logger.info("device has serial %s-%s", glasgow_config.revision,
glasgow_config.serial)
if fx2_config.disconnect:
logger.info("device has flashed firmware")
else:
logger.info("device does not have flashed firmware")
if glasgow_config.bitstream_size:
logger.info("device has flashed bitstream ID %s",
glasgow_config.bitstream_id.hex())
else:
logger.info("device does not have flashed bitstream")
new_bitstream = b""
if args.remove_bitstream:
logger.info("removing bitstream")
glasgow_config.bitstream_size = 0
glasgow_config.bitstream_id = b"\x00" * 16
elif args.bitstream:
logger.info("using bitstream from %s", args.bitstream.name)
with args.bitstream as f:
new_bitstream = f.read()
glasgow_config.bitstream_size = len(new_bitstream)
glasgow_config.bitstream_id = b"\xff" * 16
elif args.applet:
logger.info("building bitstream for applet %s", args.applet)
target, applet = _applet(device.revision, args)
plan = target.build_plan()
new_bitstream_id = plan.bitstream_id
new_bitstream = plan.execute()
# We always build and reflash the bitstream in case the one currently
# in EEPROM is corrupted. If we only compared the ID, there would be
# no easy way to recover from that case. There's also no point in
# storing the bitstream hash (as opposed to Verilog hash) in the ID,
# as building the bitstream takes much longer than flashing it.
logger.info("built bitstream ID %s", new_bitstream_id.hex())
glasgow_config.bitstream_size = len(new_bitstream)
glasgow_config.bitstream_id = new_bitstream_id
fx2_config.firmware[0] = (0x4000 - GlasgowConfig.size,
glasgow_config.encode())
if args.remove_firmware:
logger.info("removing firmware")
fx2_config.disconnect = False
new_image = fx2_config.encode()
new_image[0] = 0xC0 # see below
else:
logger.info(
"using firmware from %r",
args.firmware.name if args.firmware else firmware_filename)
with (args.firmware or open(firmware_filename, "rb")) as f:
for (addr, chunk) in input_data(f, fmt="ihex"):
fx2_config.append(addr, chunk)
fx2_config.disconnect = True
new_image = fx2_config.encode()
if new_bitstream:
logger.info("programming bitstream")
old_bitstream = await device.read_eeprom(
"ice", 0, len(new_bitstream))
if old_bitstream != new_bitstream:
for (addr, chunk) in diff_data(old_bitstream,
new_bitstream):
await device.write_eeprom("ice", addr, chunk)
logger.info("verifying bitstream")
if await device.read_eeprom(
"ice", 0, len(new_bitstream)) != new_bitstream:
logger.critical("bitstream programming failed")
return 1
else:
logger.info("bitstream identical")
logger.info("programming configuration and firmware")
old_image = await device.read_eeprom("fx2", 0, len(new_image))
if old_image != new_image:
for (addr, chunk) in diff_data(old_image, new_image):
await device.write_eeprom("fx2", addr, chunk)
logger.info("verifying configuration and firmware")
if await device.read_eeprom("fx2", 0,
len(new_image)) != new_image:
logger.critical(
"configuration/firmware programming failed")
return 1
else:
logger.info("configuration and firmware identical")
if args.action == "build":
target, applet = _applet(args.rev, args)
plan = target.build_plan()
if args.type in ("il", "rtlil"):
logger.info("building RTLIL for applet %r", args.applet)
with open(args.filename or args.applet + ".il", "wt") as f:
f.write(plan.rtlil)
if args.type in ("bin", "bitstream"):
logger.info("building bitstream for applet %r", args.applet)
with open(args.filename or args.applet + ".bin", "wb") as f:
f.write(plan.execute())
if args.type in ("zip", "archive"):
logger.info("building archive for applet %r", args.applet)
plan.archive(args.filename or args.applet + ".zip")
if args.action == "test":
logger.info("testing applet %r", args.applet)
applet = GlasgowApplet.all_applets[args.applet]()
loader = unittest.TestLoader()
stream = unittest.runner._WritelnDecorator(sys.stderr)
result = unittest.TextTestResult(stream=stream,
descriptions=True,
verbosity=2)
result.failfast = True
def startTest(test):
unittest.TextTestResult.startTest(result, test)
result.stream.write("\n")
result.startTest = startTest
if args.tests == []:
suite = loader.loadTestsFromTestCase(applet.test_cls)
suite.run(result)
else:
for test in args.tests:
suite = loader.loadTestsFromName(test,
module=applet.test_cls)
suite.run(result)
if not result.wasSuccessful():
for _, traceback in result.errors + result.failures:
print(traceback, end="", file=sys.stderr)
return 1
if args.action == "factory":
logger.info("reading device configuration")
header = await device.read_eeprom("fx2", 0,
8 + 4 + GlasgowConfig.size)
if not re.match(rb"^\xff+$", header):
if args.force:
logger.warning(
"device already factory-programmed, proceeding anyway")
else:
logger.error("device already factory-programmed")
return 1
fx2_config = FX2Config(vendor_id=VID_QIHW,
product_id=PID_GLASGOW,
device_id=GlasgowConfig.encode_revision(
args.rev),
i2c_400khz=True)
glasgow_config = GlasgowConfig(args.factory_rev,
args.factory_serial)
fx2_config.append(0x4000 - GlasgowConfig.size,
glasgow_config.encode())
image = fx2_config.encode()
# Let FX2 hardware enumerate. This won't load the configuration block
# into memory automatically, but the firmware has code that does that
# if it detects a C0 load.
image[0] = 0xC0
logger.info("programming device configuration")
await device.write_eeprom("fx2", 0, image)
logger.info("verifying device configuration")
if await device.read_eeprom("fx2", 0, len(image)) != image:
logger.critical("factory programming failed")
return 1
except GlasgowDeviceError as e:
logger.error(e)
return 1
except GatewareBuildError as e:
applet.logger.error(e)
return 1
finally:
if device is not None:
device.close()
return 0
def main():
args = get_argparser().parse_args()
root_logger = logging.getLogger()
root_logger.setLevel(logging.INFO + args.quiet * 10 - args.verbose * 10)
handler = logging.StreamHandler()
handler.setFormatter(logging.Formatter("[%(levelname)5s] %(name)s: %(message)s"))
root_logger.addHandler(handler)
try:
firmware_file = os.path.join(os.path.dirname(__file__), "glasgow.ihex")
if args.action in ("build",):
pass
elif args.action == "factory":
device = GlasgowDevice(firmware_file, VID_CYPRESS, PID_FX2)
else:
device = GlasgowDevice(firmware_file)
if args.action == "voltage":
if args.voltage is not None:
device.reset_alert(args.ports)
device.poll_alert() # clear any remaining alerts
try:
device.set_voltage(args.ports, args.voltage)
except:
device.set_voltage(args.ports, 0.0)
raise
if args.set_alert and args.voltage != 0.0:
time.sleep(0.050) # let the output capacitor discharge a bit
device.set_alert_tolerance(args.ports, args.voltage, args.tolerance / 100)
print("Port\tVio\tVsense\tRange")
alerts = device.poll_alert()
for port in args.ports:
vio = device.get_voltage(port)
vsense = device.measure_voltage(port)
alert = device.get_alert(port)
if port in alerts:
notice = " (ALERT)"
else:
notice = ""
print("{}\t{:.2}\t{:.3}\t{:.2}-{:.2}{}"
.format(port, vio, vsense, alert[0], alert[1], notice))
if args.action == "run":
if args.applet:
applet, target = _applet(args)
bitstream_id = target.get_bitstream_id()
if device.bitstream_id() == bitstream_id and not args.force:
logger.info("device already has bitstream ID %s", bitstream_id.hex())
else:
logger.info("building bitstream ID %s for applet %s",
bitstream_id.hex(), args.applet)
device.download_bitstream(target.get_bitstream(debug=True), bitstream_id)
logger.info("running handler for applet %s", args.applet)
applet.run(device, args)
else:
with args.bitstream as f:
logger.info("downloading bitstream from %s", f.name)
device.download_bitstream(f.read())
if args.action == "flash":
logger.info("reading device configuration")
header = device.read_eeprom("fx2", 0, 8 + 4 + GlasgowConfig.size)
header[0] = 0xC2 # see below
fx2_config = FX2Config.decode(header, partial=True)
if (len(fx2_config.firmware) != 1 or
fx2_config.firmware[0][0] != 0x4000 - GlasgowConfig.size or
len(fx2_config.firmware[0][1]) != GlasgowConfig.size):
raise SystemExit("Unrecognized or corrupted configuration block")
glasgow_config = GlasgowConfig.decode(fx2_config.firmware[0][1])
logger.info("device has serial %s-%s",
glasgow_config.revision, glasgow_config.serial)
if fx2_config.disconnect:
logger.info("device has flashed firmware")
else:
logger.info("device does not have flashed firmware")
if glasgow_config.bitstream_size:
logger.info("device has flashed bitstream ID %s",
glasgow_config.bitstream_id.hex())
else:
logger.info("device does not have flashed bitstream")
new_bitstream = b""
if args.remove_bitstream:
logger.info("removing bitstream")
glasgow_config.bitstream_size = 0
glasgow_config.bitstream_id = b"\x00"*16
elif args.bitstream:
logger.info("using bitstream from %s", args.bitstream.name)
with args.bitstream as f:
new_bitstream = f.read()
glasgow_config.bitstream_size = len(new_bitstream)
glasgow_config.bitstream_id = b"\xff"*16
elif args.applet:
logger.info("building bitstream for applet %s", args.applet)
applet, target = _applet(args)
new_bitstream_id = target.get_bitstream_id()
new_bitstream = target.get_bitstream()
# We always build and reflash the bitstream in case the one currently
# in EEPROM is corrupted. If we only compared the ID, there would be
# no easy way to recover from that case. There's also no point in
# storing the bitstream hash (as opposed to Verilog hash) in the ID,
# as building the bitstream takes much longer than flashing it.
logger.info("built bitstream ID %s", new_bitstream_id.hex())
glasgow_config.bitstream_size = len(new_bitstream)
glasgow_config.bitstream_id = new_bitstream_id
fx2_config.firmware[0] = (0x4000 - GlasgowConfig.size, glasgow_config.encode())
if args.remove_firmware:
logger.info("removing firmware")
fx2_config.disconnect = False
new_image = fx2_config.encode()
new_image[0] = 0xC0 # see below
else:
logger.info("using firmware from %s",
args.firmware.name if args.firmware else firmware_file)
with (args.firmware or open(firmware_file, "rb")) as f:
for (addr, chunk) in input_data(f, fmt="ihex"):
fx2_config.append(addr, chunk)
fx2_config.disconnect = True
new_image = fx2_config.encode()
if new_bitstream:
logger.info("programming bitstream")
old_bitstream = device.read_eeprom("ice", 0, len(new_bitstream))
if old_bitstream != new_bitstream:
for (addr, chunk) in diff_data(old_bitstream, new_bitstream):
device.write_eeprom("ice", addr, chunk)
logger.info("verifying bitstream")
if device.read_eeprom("ice", 0, len(new_bitstream)) != new_bitstream:
raise SystemExit("Bitstream programming failed")
else:
logger.info("bitstream identical")
logger.info("programming configuration and firmware")
old_image = device.read_eeprom("fx2", 0, len(new_image))
if old_image != new_image:
for (addr, chunk) in diff_data(old_image, new_image):
device.write_eeprom("fx2", addr, chunk)
logger.info("verifying configuration and firmware")
if device.read_eeprom("fx2", 0, len(new_image)) != new_image:
raise SystemExit("Configuration/firmware programming failed")
else:
logger.info("configuration and firmware identical")
if args.action == "build":
applet, target = _applet(args)
logger.info("building bitstream for applet %s", args.applet)
if args.type in ("v", "verilog"):
target.get_verilog().write(args.filename or args.applet + ".v")
if args.type in ("bin", "bitstream"):
with open(args.filename or args.applet + ".bin", "wb") as f:
f.write(target.get_bitstream(debug=True))
if args.action == "test":
if args.mode == "toggle-io":
device.download_bitstream(TestToggleIO().get_bitstream(debug=True))
device.set_voltage("AB", 3.3)
if args.mode == "mirror-i2c":
device.download_bitstream(TestMirrorI2C().get_bitstream(debug=True))
device.set_voltage("A", 3.3)
if args.mode == "shift-out":
device.download_bitstream(TestShiftOut(async=args.async)
.get_bitstream(debug=True))
device.set_voltage("A", 3.3)
if args.mode == "gen-seq":
device.download_bitstream(TestGenSeq().get_bitstream(debug=True))
if args.mode == "pll":
device.download_bitstream(TestPLL().get_bitstream(debug=True))
if args.action == "factory":
logger.info("reading device configuration")
header = device.read_eeprom("fx2", 0, 8 + 4 + GlasgowConfig.size)
if not re.match(rb"^\xff+$", header):
raise SystemExit("Device already factory-programmed")
fx2_config = FX2Config(vendor_id=VID_QIHW, product_id=PID_GLASGOW,
device_id=1 + ord(args.revision) - ord('A'),
i2c_400khz=True)
glasgow_config = GlasgowConfig(args.revision, args.serial)
fx2_config.append(0x4000 - GlasgowConfig.size, glasgow_config.encode())
image = fx2_config.encode()
# Let FX2 hardware enumerate. This won't load the configuration block
# into memory automatically, but the firmware has code that does that
# if it detects a C0 load.
image[0] = 0xC0
logger.info("programming device configuration")
device.write_eeprom("fx2", 0, image)
logger.info("verifying device configuration")
if device.read_eeprom("fx2", 0, len(image)) != image:
raise SystemExit("Factory programming failed")
except (ValueError, FX2DeviceError) as e:
raise SystemExit(e)
