def __init__(self, entity, name="", default_values=None, *args, **kwargs):
'''
See the BusDriver definition for more information on the inputs.
'''
BusDriver.__init__(self, entity=entity, name=name, *args, **kwargs)
# Create separate write and read buses.
self.__wrbus = Bus(
entity=entity,
name="", # Intentionally done this way.
signals=self._wrsignals,
optional_signals=self._optional_signals,
bus_separator="")
self.__rdbus = Bus(
entity=entity,
name="", # Intentionally done this way.
signals=self._rdsignals,
bus_separator="")
# The Bus assigned in the BusDriver shall be the write Bus.
self.bus = self.__wrbus
# Set default values.
if default_values is None:
self.__default_values = self._default_values
else:
self.__default_values = default_values
self.set_defaults()
def __init__(self,
entity,
name,
clock,
reset=None,
size=1024,
mem=None,
*args,
**kwargs):
self.log = logging.getLogger(f"cocotb.{entity._name}.{name}")
self.entity = entity
self.clock = clock
self.reset = reset
self.cmd_bus = Bus(self.entity, name, self._cmd_signals, **kwargs)
self.resp_bus = Bus(self.entity, name, self._resp_signals, **kwargs)
self.log.info("Parallel Simple Dual Port RAM model (read)")
self.log.info("Copyright (c) 2020 Alex Forencich")
super().__init__(size, mem, *args, **kwargs)
self.pause = False
self._pause_generator = None
self._pause_cr = None
self.width = len(self.resp_bus.rd_resp_data)
self.byte_width = self.width // 8
self.seg_count = len(self.cmd_bus.rd_cmd_valid)
self.seg_data_width = self.width // self.seg_count
self.seg_byte_width = self.seg_data_width // 8
self.seg_addr_width = len(self.cmd_bus.rd_cmd_addr) // self.seg_count
self.seg_data_mask = 2**self.seg_data_width - 1
self.seg_addr_mask = 2**self.seg_addr_width - 1
self.log.info("Parallel Simple Dual Port RAM model configuration:")
self.log.info(" Memory size: %d bytes", len(self.mem))
self.log.info(" Segment count: %d", self.seg_count)
self.log.info(" Segment addr width: %d bits", self.seg_addr_width)
self.log.info(" Segment data width: %d bits (%d bytes)",
self.seg_data_width, self.seg_byte_width)
self.log.info(" Total data width: %d bits (%d bytes)", self.width,
self.width // 8)
self.cmd_bus.rd_cmd_ready.setimmediatevalue(0)
self.resp_bus.rd_resp_valid.setimmediatevalue(0)
cocotb.fork(self._run())
def __init__(self,
entity,
name,
clock,
reset=None,
reset_n=None,
callback=None,
event=None,
bus_separator="_",
config={},
array_idx=None):
self.log = SimLog("cocotb.%s.%s" % (entity._name, name))
self.entity = entity
self.name = name
self.clock = clock
self.config = self._default_config.copy()
for configoption, value in config.items():
self.config[configoption] = value
self.log.debug("Setting config option %s to %s" %
(configoption, str(value)))
self.bus = Bus(self.entity,
self.name,
self._signals,
optional_signals=self._optional_signals,
bus_separator=bus_separator,
array_idx=array_idx)
self._reset = reset
self._reset_n = reset_n
Monitor.__init__(self, callback=callback, event=event)
def __init__(self, entity, name, clock, reset=None, reset_n=None,
callback=None, event=None):
self.log = SimLog("cocotb.%s.%s" % (entity.name, name))
self.entity = entity
self.name = name
self.clock = clock
self.bus = Bus(self.entity, self.name, self._signals,
optional_signals=self._optional_signals)
self._reset = reset
self._reset_n = reset_n
Monitor.__init__(self, callback=callback, event=event)
def __init__(self, entity, name, clock, **kwargs):
self.log = SimLog("cocotb.%s.%s" % (entity._name, name))
Driver.__init__(self)
self.entity = entity
self.clock = clock
index = kwargs.get("array_idx")
self.bus = Bus(self.entity, name, self._signals,
self._optional_signals, array_idx=index)
# Give this instance a unique name
self.name = name if index is None else "%s_%d" % (name, index)
def __init__(self, entity, name, clock, reset=None, *args, **kwargs):
self.log = SimLog("cocotb.%s.%s" % (entity._name, name))
self.entity = entity
self.clock = clock
self.reset = reset
self.bus = Bus(self.entity,
name,
self._signals,
optional_signals=self._optional_signals,
**kwargs)
self.log.info("AXI stream source")
self.log.info("cocotbext-axi version %s", __version__)
self.log.info("Copyright (c) 2020 Alex Forencich")
self.log.info("https://github.com/alexforencich/cocotbext-axi")
super().__init__(*args, **kwargs)
self.active = False
self.queue = deque()
self.pause = False
self._pause_generator = None
self._pause_cr = None
self.queue_occupancy_bytes = 0
self.queue_occupancy_frames = 0
self.width = len(self.bus.tdata)
self.byte_width = 1
self.reset = reset
self.bus.tdata.setimmediatevalue(0)
if hasattr(self.bus, "tvalid"):
self.bus.tvalid.setimmediatevalue(0)
if hasattr(self.bus, "tlast"):
self.bus.tlast.setimmediatevalue(0)
if hasattr(self.bus, "tkeep"):
self.byte_width = len(self.bus.tkeep)
self.bus.tkeep.setimmediatevalue(0)
if hasattr(self.bus, "tid"):
self.bus.tid.setimmediatevalue(0)
if hasattr(self.bus, "tdest"):
self.bus.tdest.setimmediatevalue(0)
if hasattr(self.bus, "tuser"):
self.bus.tuser.setimmediatevalue(0)
self.byte_size = self.width // self.byte_width
self.byte_mask = 2**self.byte_size - 1
cocotb.fork(self._run())
def __init__(self, entity: SimHandleBase, name: Optional[str], clock: SimHandleBase, **kwargs: Any):
index = kwargs.get("array_idx", None)
self.log = SimLog("cocotb.%s.%s" % (entity._name, name))
Driver.__init__(self)
self.entity = entity
self.clock = clock
self.bus = Bus(
self.entity, name, self._signals, optional_signals=self._optional_signals,
**kwargs
)
# Give this instance a unique name
self.name = name if index is None else "%s_%d" % (name, index)
def __init__(self, entity, name, clock, **kwargs):
# emulate keyword-only arguments in python 2
index = kwargs.pop("array_idx", None)
reject_remaining_kwargs('__init__', kwargs)
self.log = SimLog("cocotb.%s.%s" % (entity._name, name))
Driver.__init__(self)
self.entity = entity
self.clock = clock
self.bus = Bus(self.entity, name, self._signals,
self._optional_signals, array_idx=index)
# Give this instance a unique name
self.name = name if index is None else "%s_%d" % (name, index)
def __init__(self, entity, name, clock):
"""
Args:
entity (SimHandle) : a handle to the simulator entity
name (str) : name of this bus. None for nameless bus, e.g.
bus-signals in an interface or a modport
(untested on struct/record, but could work here as well)
clock (SimHandle) : A handle to the clock associated with this bus
"""
self.log = SimLog("cocotb.%s.%s" % (entity.name, name))
Driver.__init__(self)
self.entity = entity
self.name = name
self.clock = clock
self.bus = Bus(self.entity, self.name, self._signals,
self._optional_signals)
def __init__(self, entity, name, clock, reset=None, *args, **kwargs):
self.log = logging.getLogger(f"cocotb.{entity._name}.{name}")
self.entity = entity
self.clock = clock
self.reset = reset
self.bus = Bus(self.entity,
name,
self._signals,
optional_signals=self._optional_signals,
**kwargs)
super().__init__(*args, **kwargs)
self.queue = deque()
self.queue_sync = Event()
self.ready = None
self.valid = None
if self._ready_signal is not None and hasattr(self.bus,
self._ready_signal):
self.ready = getattr(self.bus, self._ready_signal)
if self._ready_init is not None:
self.ready.setimmediatevalue(self._ready_init)
if self._valid_signal is not None and hasattr(self.bus,
self._valid_signal):
self.valid = getattr(self.bus, self._valid_signal)
if self._valid_init is not None:
self.valid.setimmediatevalue(self._valid_init)
for sig in self._signals + self._optional_signals:
if hasattr(self.bus, sig):
if sig in self._signal_widths:
assert len(getattr(self.bus,
sig)) == self._signal_widths[sig]
if self._init_x and sig not in (self._valid_signal,
self._ready_signal):
v = getattr(self.bus, sig).value
v.binstr = 'x' * len(v)
getattr(self.bus, sig).setimmediatevalue(v)
def __init__(self, entity, name, clock, **kwargs):
"""Args:
entity (SimHandle): A handle to the simulator entity.
name (str): Name of this bus. ``None`` for nameless bus, e.g.
bus-signals in an interface or a modport
(untested on struct/record, but could work here as well).
clock (SimHandle): A handle to the clock associated with this bus.
"""
self.log = SimLog("cocotb.%s.%s" % (entity._name, name))
Driver.__init__(self)
self.entity = entity
self.clock = clock
index = kwargs.get("array_idx")
self.bus = Bus(self.entity,
name,
self._signals,
self._optional_signals,
array_idx=index)
# Give this instance a unique name
self.name = name if index is None else "%s_%d" % (name, index)
def __init__(self, entity, data_name):
self.data_bus = Bus(entity, '', data_name)
self.data_name = data_name
self.X = self.create_data()
self.assign_bus(self.X)