class TB:
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 8, units="ns").start())
self.header_source = EthHdrSource(EthHdrBus.from_prefix(dut, "s_eth"),
dut.clk, dut.rst)
self.payload_source = AxiStreamSource(
AxiStreamBus.from_prefix(dut, "s_eth_payload_axis"), dut.clk,
dut.rst)
self.sink = AxiStreamSink(AxiStreamBus.from_prefix(dut, "m_axis"),
dut.clk, dut.rst)
def set_idle_generator(self, generator=None):
if generator:
self.header_source.set_pause_generator(generator())
self.payload_source.set_pause_generator(generator())
def set_backpressure_generator(self, generator=None):
if generator:
self.sink.set_pause_generator(generator())
async def reset(self):
self.dut.rst.setimmediatevalue(0)
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst.value = 1
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst.value = 0
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
async def send(self, pkt):
hdr = EthHdrTransaction()
hdr.dest_mac = int.from_bytes(mac2str(pkt[Ether].dst), 'big')
hdr.src_mac = int.from_bytes(mac2str(pkt[Ether].src), 'big')
hdr.type = pkt[Ether].type
await self.header_source.send(hdr)
await self.payload_source.send(bytes(pkt[Ether].payload))
async def recv(self):
rx_frame = await self.sink.recv()
assert not rx_frame.tuser
return Ether(bytes(rx_frame))
def __init__(self, dut):
self.dut = dut
ports = int(os.getenv("PORTS"))
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 10, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"), dut.clk, dut.rst)
self.sink = [AxiStreamSink(AxiStreamBus.from_prefix(dut, f"m{k:02d}_axis"), dut.clk, dut.rst) for k in range(ports)]
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 8, units="ns").start())
self.header_source = EthHdrSource(EthHdrBus.from_prefix(dut, "s_eth"), dut.clk, dut.rst)
self.payload_source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_eth_payload_axis"), dut.clk, dut.rst)
self.sink = ArpHdrSink(ArpHdrBus.from_prefix(dut, "m"), dut.clk, dut.rst)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.fork(Clock(dut.clk, 10, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"),
dut.clk, dut.rst)
self.sink = AxiStreamSink(AxiStreamBus.from_prefix(dut, "m_axis"),
dut.clk, dut.rst)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.fork(Clock(dut.clk, 4, units="ns").start())
self.source = AxiStreamSource(dut, "s_axis", dut.clk, dut.rst)
self.sink = AxiStreamSink(dut, "m_axis", dut.clk, dut.rst)
self.cmd_source = CsumCmdSource(dut, "s_axis_cmd", dut.clk, dut.rst)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.fork(Clock(dut.clk, 8, units="ns").start())
self.header_source = EthHdrSource(dut, "s_eth", dut.clk, dut.rst)
self.payload_source = AxiStreamSource(dut, "s_eth_payload_axis",
dut.clk, dut.rst)
self.sink = AxiStreamSink(dut, "m_axis", dut.clk, dut.rst)
class TB(object):
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.fork(Clock(dut.clk, 10, units="ns").start())
# read interface
self.read_desc_source = DescSource(dut, "s_axis_read_desc", dut.clk, dut.rst)
self.read_desc_status_sink = DescStatusSink(dut, "m_axis_read_desc_status", dut.clk, dut.rst)
self.read_data_sink = AxiStreamSink(dut, "m_axis_read_data", dut.clk, dut.rst)
# write interface
self.write_desc_source = DescSource(dut, "s_axis_write_desc", dut.clk, dut.rst)
self.write_desc_status_sink = DescStatusSink(dut, "m_axis_write_desc_status", dut.clk, dut.rst)
self.write_data_source = AxiStreamSource(dut, "s_axis_write_data", dut.clk, dut.rst)
# AXI interface
self.axi_ram = AxiRam(dut, "m_axi", dut.clk, dut.rst, size=2**16)
dut.read_enable.setimmediatevalue(0)
dut.write_enable.setimmediatevalue(0)
dut.write_abort.setimmediatevalue(0)
def set_idle_generator(self, generator=None):
if generator:
self.write_desc_source.set_pause_generator(generator())
self.write_data_source.set_pause_generator(generator())
self.read_desc_source.set_pause_generator(generator())
self.axi_ram.write_if.b_channel.set_pause_generator(generator())
self.axi_ram.read_if.r_channel.set_pause_generator(generator())
def set_backpressure_generator(self, generator=None):
if generator:
self.read_data_sink.set_pause_generator(generator())
self.axi_ram.write_if.aw_channel.set_pause_generator(generator())
self.axi_ram.write_if.w_channel.set_pause_generator(generator())
self.axi_ram.read_if.ar_channel.set_pause_generator(generator())
async def cycle_reset(self):
self.dut.rst.setimmediatevalue(0)
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst <= 1
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst <= 0
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
s_clk = int(os.getenv("S_CLK", "10"))
m_clk = int(os.getenv("M_CLK", "11"))
cocotb.fork(Clock(dut.s_clk, s_clk, units="ns").start())
cocotb.fork(Clock(dut.m_clk, m_clk, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"), dut.s_clk, dut.s_rst)
self.sink = AxiStreamSink(AxiStreamBus.from_prefix(dut, "m_axis"), dut.m_clk, dut.m_rst)
class TB:
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 8, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"), dut.clk, dut.rst)
self.header_sink = EthHdrSink(EthHdrBus.from_prefix(dut, "m_eth"), dut.clk, dut.rst)
self.payload_sink = AxiStreamSink(AxiStreamBus.from_prefix(dut, "m_eth_payload_axis"), dut.clk, dut.rst)
def set_idle_generator(self, generator=None):
if generator:
self.source.set_pause_generator(generator())
def set_backpressure_generator(self, generator=None):
if generator:
self.header_sink.set_pause_generator(generator())
self.payload_sink.set_pause_generator(generator())
async def reset(self):
self.dut.rst.setimmediatevalue(0)
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst <= 1
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst <= 0
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
async def send(self, pkt):
await self.source.send(bytes(pkt))
async def recv(self):
rx_header = await self.header_sink.recv()
rx_payload = await self.payload_sink.recv()
assert not rx_payload.tuser
eth = Ether()
eth.dst = rx_header.dest_mac.integer.to_bytes(6, 'big')
eth.src = rx_header.src_mac.integer.to_bytes(6, 'big')
eth.type = rx_header.type.integer
rx_pkt = eth / bytes(rx_payload.tdata)
return Ether(bytes(rx_pkt))
class TB(object):
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.fork(Clock(dut.clk, 4, units="ns").start())
# write interface
self.write_desc_source = DescSource(
DescBus.from_prefix(dut, "s_axis_write_desc"), dut.clk, dut.rst)
self.write_desc_status_sink = DescStatusSink(
DescStatusBus.from_prefix(dut, "m_axis_write_desc_status"),
dut.clk, dut.rst)
self.write_data_source = AxiStreamSource(
AxiStreamBus.from_prefix(dut, "s_axis_write_data"), dut.clk,
dut.rst)
# DMA RAM
self.dma_ram = PsdpRamWrite(PsdpRamWriteBus.from_prefix(dut, "ram"),
dut.clk,
dut.rst,
size=2**16)
dut.enable.setimmediatevalue(0)
dut.abort.setimmediatevalue(0)
def set_idle_generator(self, generator=None):
if generator:
self.write_desc_source.set_pause_generator(generator())
self.write_data_source.set_pause_generator(generator())
# self.dma_ram.b_channel.set_pause_generator(generator())
def set_backpressure_generator(self, generator=None):
# if generator:
# self.dma_ram.aw_channel.set_pause_generator(generator())
pass
async def cycle_reset(self):
self.dut.rst.setimmediatevalue(0)
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst <= 1
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst <= 0
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
if len(dut.xgmii_txd) == 64:
cocotb.start_soon(Clock(dut.rx_clk, 6.4, units="ns").start())
cocotb.start_soon(Clock(dut.tx_clk, 6.4, units="ns").start())
else:
cocotb.start_soon(Clock(dut.rx_clk, 3.2, units="ns").start())
cocotb.start_soon(Clock(dut.tx_clk, 3.2, units="ns").start())
self.xgmii_source = XgmiiSource(dut.xgmii_rxd, dut.xgmii_rxc,
dut.rx_clk, dut.rx_rst)
self.xgmii_sink = XgmiiSink(dut.xgmii_txd, dut.xgmii_txc, dut.tx_clk,
dut.tx_rst)
self.axis_source = AxiStreamSource(
AxiStreamBus.from_prefix(dut, "tx_axis"), dut.tx_clk, dut.tx_rst)
self.axis_sink = AxiStreamSink(
AxiStreamBus.from_prefix(dut, "rx_axis"), dut.rx_clk, dut.rx_rst)
dut.rx_ptp_ts.setimmediatevalue(0)
dut.tx_ptp_ts.setimmediatevalue(0)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 10, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"),
dut.clk, dut.rst)
self.sink = AxiStreamSink(AxiStreamBus.from_prefix(dut, "m_axis"),
dut.clk, dut.rst)
dut.rate_num.setimmediatevalue(1)
dut.rate_denom.setimmediatevalue(1)
dut.rate_by_frame.setimmediatevalue(0)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.fork(Clock(dut.clk, 10, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"), dut.clk, dut.rst)
self.sink = AxiStreamSink(AxiStreamBus.from_prefix(dut, "m_axis"), dut.clk, dut.rst)
# Status
self.status_sink = StatusSink(StatusBus.from_prefix(dut, "status"), dut.clk, dut.rst)
self.dut.length_min.setimmediatevalue(0)
self.dut.length_max.setimmediatevalue(2048)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
if len(dut.xgmii_txd) == 64:
self.clk_period = 6.4
else:
self.clk_period = 3.2
cocotb.start_soon(
Clock(dut.rx_clk, self.clk_period, units="ns").start())
cocotb.start_soon(
Clock(dut.tx_clk, self.clk_period, units="ns").start())
self.xgmii_source = XgmiiSource(dut.xgmii_rxd, dut.xgmii_rxc,
dut.rx_clk, dut.rx_rst)
self.xgmii_sink = XgmiiSink(dut.xgmii_txd, dut.xgmii_txc, dut.tx_clk,
dut.tx_rst)
self.axis_source = AxiStreamSource(
AxiStreamBus.from_prefix(dut, "tx_axis"), dut.tx_clk, dut.tx_rst)
self.axis_sink = AxiStreamSink(
AxiStreamBus.from_prefix(dut, "rx_axis"), dut.rx_clk, dut.rx_rst)
self.rx_ptp_clock = PtpClockSimTime(ts_64=dut.rx_ptp_ts,
clock=dut.rx_clk)
self.tx_ptp_clock = PtpClockSimTime(ts_64=dut.tx_ptp_ts,
clock=dut.tx_clk)
self.tx_ptp_ts_sink = PtpTsSink(
PtpTsBus.from_prefix(dut, "tx_axis_ptp"), dut.tx_clk, dut.tx_rst)
def __init__(self, dut, speed=1000e6):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.fork(Clock(dut.gtx_clk, 8, units="ns").start())
cocotb.fork(Clock(dut.logic_clk, 8, units="ns").start())
self.gmii_phy = GmiiPhy(dut.gmii_txd,
dut.gmii_tx_er,
dut.gmii_tx_en,
dut.mii_tx_clk,
dut.gmii_tx_clk,
dut.gmii_rxd,
dut.gmii_rx_er,
dut.gmii_rx_dv,
dut.gmii_rx_clk,
speed=speed)
self.axis_source = AxiStreamSource(dut, "tx_axis", dut.logic_clk,
dut.logic_rst)
self.axis_sink = AxiStreamSink(dut, "rx_axis", dut.logic_clk,
dut.logic_rst)
dut.ifg_delay.setimmediatevalue(0)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
self._enable_generator_rx = None
self._enable_generator_tx = None
self._enable_cr_rx = None
self._enable_cr_tx = None
cocotb.fork(Clock(dut.logic_clk, 8, units="ns").start())
cocotb.fork(Clock(dut.rx_clk, 8, units="ns").start())
cocotb.fork(Clock(dut.tx_clk, 8, units="ns").start())
self.gmii_source = GmiiSource(dut.gmii_rxd, dut.gmii_rx_er,
dut.gmii_rx_dv, dut.rx_clk, dut.rx_rst,
dut.rx_clk_enable, dut.rx_mii_select)
self.gmii_sink = GmiiSink(dut.gmii_txd, dut.gmii_tx_er, dut.gmii_tx_en,
dut.tx_clk, dut.tx_rst, dut.tx_clk_enable,
dut.tx_mii_select)
self.axis_source = AxiStreamSource(
AxiStreamBus.from_prefix(dut, "tx_axis"), dut.logic_clk,
dut.logic_rst)
self.axis_sink = AxiStreamSink(
AxiStreamBus.from_prefix(dut, "rx_axis"), dut.logic_clk,
dut.logic_rst)
dut.rx_clk_enable.setimmediatevalue(1)
dut.tx_clk_enable.setimmediatevalue(1)
dut.rx_mii_select.setimmediatevalue(0)
dut.tx_mii_select.setimmediatevalue(0)
dut.ifg_delay.setimmediatevalue(0)
def __init__(self, dut, speed=1000e6):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
self.rgmii_phy = RgmiiPhy(dut.rgmii_txd,
dut.rgmii_tx_ctl,
dut.rgmii_tx_clk,
dut.rgmii_rxd,
dut.rgmii_rx_ctl,
dut.rgmii_rx_clk,
speed=speed)
self.axis_source = AxiStreamSource(
AxiStreamBus.from_prefix(dut, "tx_axis"), dut.tx_clk, dut.tx_rst)
self.axis_sink = AxiStreamSink(
AxiStreamBus.from_prefix(dut, "rx_axis"), dut.rx_clk, dut.rx_rst)
dut.ifg_delay.setimmediatevalue(0)
dut.gtx_clk.setimmediatevalue(0)
dut.gtx_clk90.setimmediatevalue(0)
cocotb.start_soon(self._run_gtx_clk())
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
if len(dut.xgmii_txd) == 64:
cocotb.fork(Clock(dut.logic_clk, 6.4, units="ns").start())
cocotb.fork(Clock(dut.rx_clk, 6.4, units="ns").start())
cocotb.fork(Clock(dut.tx_clk, 6.4, units="ns").start())
else:
cocotb.fork(Clock(dut.logic_clk, 3.2, units="ns").start())
cocotb.fork(Clock(dut.rx_clk, 3.2, units="ns").start())
cocotb.fork(Clock(dut.tx_clk, 3.2, units="ns").start())
self.xgmii_source = XgmiiSource(dut.xgmii_rxd, dut.xgmii_rxc,
dut.rx_clk, dut.rx_rst)
self.xgmii_sink = XgmiiSink(dut.xgmii_txd, dut.xgmii_txc, dut.tx_clk,
dut.tx_rst)
self.axis_source = AxiStreamSource(dut, "tx_axis", dut.logic_clk,
dut.logic_rst)
self.axis_sink = AxiStreamSink(dut, "rx_axis", dut.logic_clk,
dut.logic_rst)
dut.ptp_sample_clk.setimmediatevalue(0)
dut.ptp_ts_96.setimmediatevalue(0)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
if len(dut.serdes_tx_data) == 64:
cocotb.fork(Clock(dut.rx_clk, 6.4, units="ns").start())
cocotb.fork(Clock(dut.tx_clk, 6.4, units="ns").start())
else:
cocotb.fork(Clock(dut.rx_clk, 3.2, units="ns").start())
cocotb.fork(Clock(dut.tx_clk, 3.2, units="ns").start())
self.serdes_source = BaseRSerdesSource(dut.serdes_rx_data,
dut.serdes_rx_hdr,
dut.rx_clk,
slip=dut.serdes_rx_bitslip)
self.serdes_sink = BaseRSerdesSink(dut.serdes_tx_data,
dut.serdes_tx_hdr, dut.tx_clk)
self.axis_source = AxiStreamSource(
AxiStreamBus.from_prefix(dut, "tx_axis"), dut.tx_clk, dut.tx_rst)
self.axis_sink = AxiStreamSink(
AxiStreamBus.from_prefix(dut, "rx_axis"), dut.rx_clk, dut.rx_rst)
dut.rx_ptp_ts.setimmediatevalue(0)
dut.tx_ptp_ts.setimmediatevalue(0)
dut.tx_prbs31_enable.setimmediatevalue(0)
dut.rx_prbs31_enable.setimmediatevalue(0)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 10, units="ns").start())
# write interface
self.write_desc_source = DescSource(DescBus.from_prefix(dut, "s_axis_write_desc"), dut.clk, dut.rst)
self.write_desc_status_sink = DescStatusSink(DescStatusBus.from_prefix(dut, "m_axis_write_desc_status"), dut.clk, dut.rst)
self.write_data_source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis_write_data"), dut.clk, dut.rst)
# AXI interface
self.axi_ram = AxiRamWrite(AxiWriteBus.from_prefix(dut, "m_axi"), dut.clk, dut.rst, size=2**16)
dut.enable.setimmediatevalue(0)
dut.abort.setimmediatevalue(0)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.fork(Clock(dut.clk, 4, units="ns").start())
self.source = AxiStreamSource(dut, "s_axis", dut.clk, dut.rst)
self.sink = HashSink(dut, "m_axis", dut.clk, dut.rst)
hash_key = [
0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2, 0x41, 0x67, 0x25,
0x3d, 0x43, 0xa3, 0x8f, 0xb0, 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b,
0x30, 0xb4, 0x77, 0xcb, 0x2d, 0xa3, 0x80, 0x30, 0xf2, 0x0c, 0x6a,
0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa
]
self.set_hash_key(hash_key)
def __init__(self, dut):
self.dut = dut
ports = len(dut.axis_demux_inst.m_axis_tvalid)
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 10, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"),
dut.clk, dut.rst)
self.sink = [
AxiStreamSink(AxiStreamBus.from_prefix(dut, f"m{k:02d}_axis"),
dut.clk, dut.rst) for k in range(ports)
]
dut.enable.setimmediatevalue(0)
dut.drop.setimmediatevalue(0)
dut.select.setimmediatevalue(0)
class TB(object):
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 4, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"),
dut.clk, dut.rst)
self.sink = HashSink(HashBus.from_prefix(dut, "m_axis"), dut.clk,
dut.rst)
hash_key = [
0x6d, 0x5a, 0x56, 0xda, 0x25, 0x5b, 0x0e, 0xc2, 0x41, 0x67, 0x25,
0x3d, 0x43, 0xa3, 0x8f, 0xb0, 0xd0, 0xca, 0x2b, 0xcb, 0xae, 0x7b,
0x30, 0xb4, 0x77, 0xcb, 0x2d, 0xa3, 0x80, 0x30, 0xf2, 0x0c, 0x6a,
0x42, 0xb7, 0x3b, 0xbe, 0xac, 0x01, 0xfa
]
self.set_hash_key(hash_key)
def set_idle_generator(self, generator=None):
if generator:
self.source.set_pause_generator(generator())
def set_hash_key(self, key):
self.hash_key = key
self.dut.hash_key.value = int.from_bytes(key, 'big')
async def reset(self):
self.dut.rst.setimmediatevalue(0)
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst.value = 1
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst.value = 0
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
class TB(object):
def __init__(self, dut):
self.dut = dut
ports = len(dut.axis_demux_inst.m_axis_tvalid)
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 10, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"),
dut.clk, dut.rst)
self.sink = [
AxiStreamSink(AxiStreamBus.from_prefix(dut, f"m{k:02d}_axis"),
dut.clk, dut.rst) for k in range(ports)
]
dut.enable.setimmediatevalue(0)
dut.drop.setimmediatevalue(0)
dut.select.setimmediatevalue(0)
def set_idle_generator(self, generator=None):
if generator:
self.source.set_pause_generator(generator())
def set_backpressure_generator(self, generator=None):
if generator:
for sink in self.sink:
sink.set_pause_generator(generator())
async def reset(self):
self.dut.rst.setimmediatevalue(0)
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst.value = 1
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst.value = 0
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.fork(Clock(dut.clk, 4, units="ns").start())
# write interface
self.write_desc_source = DescSource(dut, "s_axis_write_desc", dut.clk,
dut.rst)
self.write_desc_status_sink = DescStatusSink(
dut, "m_axis_write_desc_status", dut.clk, dut.rst)
self.write_data_source = AxiStreamSource(dut, "s_axis_write_data",
dut.clk, dut.rst)
# DMA RAM
self.dma_ram = PsdpRamWrite(dut, "ram", dut.clk, dut.rst, size=2**16)
dut.enable.setimmediatevalue(0)
dut.abort.setimmediatevalue(0)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 6.4, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"), dut.clk, dut.rst)
self.sink = BaseRSerdesSink(dut.encoded_tx_data, dut.encoded_tx_hdr, dut.clk, scramble=False)
dut.ifg_delay.setimmediatevalue(0)
dut.ptp_ts.setimmediatevalue(0)
def __init__(self, dut, speed=100e6):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
self.mii_phy = MiiPhy(dut.mii_txd, dut.mii_tx_er, dut.mii_tx_en, dut.mii_tx_clk,
dut.mii_rxd, dut.mii_rx_er, dut.mii_rx_dv, dut.mii_rx_clk, speed=speed)
self.axis_source = AxiStreamSource(dut, "tx_axis", dut.tx_clk, dut.tx_rst)
self.axis_sink = AxiStreamSink(dut, "rx_axis", dut.rx_clk, dut.rx_rst)
dut.ifg_delay.setimmediatevalue(0)
class TB(object):
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 10, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"),
dut.clk, dut.rst)
self.sink = AxiStreamSink(AxiStreamBus.from_prefix(dut, "m_axis"),
dut.clk, dut.rst)
# Status
self.status_sink = StatusSink(StatusBus.from_prefix(dut, "status"),
dut.clk, dut.rst)
self.dut.length_min.setimmediatevalue(0)
self.dut.length_max.setimmediatevalue(2048)
def set_idle_generator(self, generator=None):
if generator:
self.source.set_pause_generator(generator())
def set_backpressure_generator(self, generator=None):
if generator:
self.sink.set_pause_generator(generator())
async def reset(self):
self.dut.rst.setimmediatevalue(0)
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst.value = 1
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
self.dut.rst.value = 0
await RisingEdge(self.dut.clk)
await RisingEdge(self.dut.clk)
def __init__(self, dut):
self.dut = dut
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 3.2, units="ns").start())
self.source = AxiStreamSource(AxiStreamBus.from_prefix(dut, "s_axis"), dut.clk, dut.rst)
self.sink = XgmiiSink(dut.xgmii_txd, dut.xgmii_txc, dut.clk, dut.rst)
dut.ifg_delay.setimmediatevalue(0)
dut.ptp_ts.setimmediatevalue(0)
def __init__(self, dut):
self.dut = dut
s_count = len(dut.axis_ram_switch_inst.s_axis_tvalid)
m_count = len(dut.axis_ram_switch_inst.m_axis_tvalid)
self.log = logging.getLogger("cocotb.tb")
self.log.setLevel(logging.DEBUG)
cocotb.start_soon(Clock(dut.clk, 10, units="ns").start())
self.source = [AxiStreamSource(AxiStreamBus.from_prefix(dut, f"s{k:02d}_axis"), dut.clk, dut.rst) for k in range(s_count)]
self.sink = [AxiStreamSink(AxiStreamBus.from_prefix(dut, f"m{k:02d}_axis"), dut.clk, dut.rst) for k in range(m_count)]
