#!/usr/bin/env python """ Copyright (c) 2014-2016 Alex Forencich Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. """ from myhdl import * import os try: from queue import Queue except ImportError: from Queue import Queue import axis_ep module = 'axis_crosspoint_64_4x4' srcs = [] srcs.append("../rtl/%s.v" % module) srcs.append("test_%s.v" % module) src = ' '.join(srcs) build_cmd = "iverilog -o test_%s.vvp %s" % (module, src) def dut_axis_crosspoint_64_4x4(clk, rst, current_test, input_0_axis_tdata, input_0_axis_tkeep, input_0_axis_tvalid, input_0_axis_tlast, input_1_axis_tdata, input_1_axis_tkeep, input_1_axis_tvalid, input_1_axis_tlast, input_2_axis_tdata, input_2_axis_tkeep, input_2_axis_tvalid, input_2_axis_tlast, input_3_axis_tdata, input_3_axis_tkeep, input_3_axis_tvalid, input_3_axis_tlast, output_0_axis_tdata, output_0_axis_tkeep, output_0_axis_tvalid, output_0_axis_tlast, output_1_axis_tdata, output_1_axis_tkeep, output_1_axis_tvalid, output_1_axis_tlast, output_2_axis_tdata, output_2_axis_tkeep, output_2_axis_tvalid, output_2_axis_tlast, output_3_axis_tdata, output_3_axis_tkeep, output_3_axis_tvalid, output_3_axis_tlast, output_0_select, output_1_select, output_2_select, output_3_select): if os.system(build_cmd): raise Exception("Error running build command") return Cosimulation("vvp -m myhdl test_%s.vvp -lxt2" % module, clk=clk, rst=rst, current_test=current_test, input_0_axis_tdata=input_0_axis_tdata, input_0_axis_tkeep=input_0_axis_tkeep, input_0_axis_tvalid=input_0_axis_tvalid, input_0_axis_tlast=input_0_axis_tlast, input_1_axis_tdata=input_1_axis_tdata, input_1_axis_tkeep=input_1_axis_tkeep, input_1_axis_tvalid=input_1_axis_tvalid, input_1_axis_tlast=input_1_axis_tlast, input_2_axis_tdata=input_2_axis_tdata, input_2_axis_tkeep=input_2_axis_tkeep, input_2_axis_tvalid=input_2_axis_tvalid, input_2_axis_tlast=input_2_axis_tlast, input_3_axis_tdata=input_3_axis_tdata, input_3_axis_tkeep=input_3_axis_tkeep, input_3_axis_tvalid=input_3_axis_tvalid, input_3_axis_tlast=input_3_axis_tlast, output_0_axis_tdata=output_0_axis_tdata, output_0_axis_tkeep=output_0_axis_tkeep, output_0_axis_tvalid=output_0_axis_tvalid, output_0_axis_tlast=output_0_axis_tlast, output_1_axis_tdata=output_1_axis_tdata, output_1_axis_tkeep=output_1_axis_tkeep, output_1_axis_tvalid=output_1_axis_tvalid, output_1_axis_tlast=output_1_axis_tlast, output_2_axis_tdata=output_2_axis_tdata, output_2_axis_tkeep=output_2_axis_tkeep, output_2_axis_tvalid=output_2_axis_tvalid, output_2_axis_tlast=output_2_axis_tlast, output_3_axis_tdata=output_3_axis_tdata, output_3_axis_tkeep=output_3_axis_tkeep, output_3_axis_tvalid=output_3_axis_tvalid, output_3_axis_tlast=output_3_axis_tlast, output_0_select=output_0_select, output_1_select=output_1_select, output_2_select=output_2_select, output_3_select=output_3_select) def bench(): # Inputs clk = Signal(bool(0)) rst = Signal(bool(0)) current_test = Signal(intbv(0)[8:]) input_0_axis_tdata = Signal(intbv(0)[64:]) input_0_axis_tkeep = Signal(intbv(0)[8:]) input_0_axis_tvalid = Signal(bool(0)) input_0_axis_tlast = Signal(bool(0)) input_1_axis_tdata = Signal(intbv(0)[64:]) input_1_axis_tkeep = Signal(intbv(0)[8:]) input_1_axis_tvalid = Signal(bool(0)) input_1_axis_tlast = Signal(bool(0)) input_2_axis_tdata = Signal(intbv(0)[64:]) input_2_axis_tkeep = Signal(intbv(0)[8:]) input_2_axis_tvalid = Signal(bool(0)) input_2_axis_tlast = Signal(bool(0)) input_3_axis_tdata = Signal(intbv(0)[64:]) input_3_axis_tkeep = Signal(intbv(0)[8:]) input_3_axis_tvalid = Signal(bool(0)) input_3_axis_tlast = Signal(bool(0)) output_0_select = Signal(intbv(0)[2:]) output_1_select = Signal(intbv(0)[2:]) output_2_select = Signal(intbv(0)[2:]) output_3_select = Signal(intbv(0)[2:]) # Outputs output_0_axis_tdata = Signal(intbv(0)[64:]) output_0_axis_tkeep = Signal(intbv(0)[8:]) output_0_axis_tvalid = Signal(bool(0)) output_0_axis_tlast = Signal(bool(0)) output_1_axis_tdata = Signal(intbv(0)[64:]) output_1_axis_tkeep = Signal(intbv(0)[8:]) output_1_axis_tvalid = Signal(bool(0)) output_1_axis_tlast = Signal(bool(0)) output_2_axis_tdata = Signal(intbv(0)[64:]) output_2_axis_tkeep = Signal(intbv(0)[8:]) output_2_axis_tvalid = Signal(bool(0)) output_2_axis_tlast = Signal(bool(0)) output_3_axis_tdata = Signal(intbv(0)[64:]) output_3_axis_tkeep = Signal(intbv(0)[8:]) output_3_axis_tvalid = Signal(bool(0)) output_3_axis_tlast = Signal(bool(0)) # sources and sinks source_0_queue = Queue() source_0_pause = Signal(bool(0)) source_1_queue = Queue() source_1_pause = Signal(bool(0)) source_2_queue = Queue() source_2_pause = Signal(bool(0)) source_3_queue = Queue() source_3_pause = Signal(bool(0)) sink_0_queue = Queue() sink_0_pause = Signal(bool(0)) sink_1_queue = Queue() sink_1_pause = Signal(bool(0)) sink_2_queue = Queue() sink_2_pause = Signal(bool(0)) sink_3_queue = Queue() sink_3_pause = Signal(bool(0)) source_0 = axis_ep.AXIStreamSource(clk, rst, tdata=input_0_axis_tdata, tkeep=input_0_axis_tkeep, tvalid=input_0_axis_tvalid, tlast=input_0_axis_tlast, fifo=source_0_queue, pause=source_0_pause, name='source0') source_1 = axis_ep.AXIStreamSource(clk, rst, tdata=input_1_axis_tdata, tkeep=input_1_axis_tkeep, tvalid=input_1_axis_tvalid, tlast=input_1_axis_tlast, fifo=source_1_queue, pause=source_1_pause, name='source1') source_2 = axis_ep.AXIStreamSource(clk, rst, tdata=input_2_axis_tdata, tkeep=input_2_axis_tkeep, tvalid=input_2_axis_tvalid, tlast=input_2_axis_tlast, fifo=source_2_queue, pause=source_2_pause, name='source2') source_3 = axis_ep.AXIStreamSource(clk, rst, tdata=input_3_axis_tdata, tkeep=input_3_axis_tkeep, tvalid=input_3_axis_tvalid, tlast=input_3_axis_tlast, fifo=source_3_queue, pause=source_3_pause, name='source3') sink_0 = axis_ep.AXIStreamSink(clk, rst, tdata=output_0_axis_tdata, tkeep=output_0_axis_tkeep, tvalid=output_0_axis_tvalid, tlast=output_0_axis_tlast, fifo=sink_0_queue, pause=sink_0_pause, name='sink0') sink_1 = axis_ep.AXIStreamSink(clk, rst, tdata=output_1_axis_tdata, tkeep=output_1_axis_tkeep, tvalid=output_1_axis_tvalid, tlast=output_1_axis_tlast, fifo=sink_1_queue, pause=sink_1_pause, name='sink1') sink_2 = axis_ep.AXIStreamSink(clk, rst, tdata=output_2_axis_tdata, tkeep=output_2_axis_tkeep, tvalid=output_2_axis_tvalid, tlast=output_2_axis_tlast, fifo=sink_2_queue, pause=sink_2_pause, name='sink2') sink_3 = axis_ep.AXIStreamSink(clk, rst, tdata=output_3_axis_tdata, tkeep=output_3_axis_tkeep, tvalid=output_3_axis_tvalid, tlast=output_3_axis_tlast, fifo=sink_3_queue, pause=sink_3_pause, name='sink3') # DUT dut = dut_axis_crosspoint_64_4x4(clk, rst, current_test, input_0_axis_tdata, input_0_axis_tkeep, input_0_axis_tvalid, input_0_axis_tlast, input_1_axis_tdata, input_1_axis_tkeep, input_1_axis_tvalid, input_1_axis_tlast, input_2_axis_tdata, input_2_axis_tkeep, input_2_axis_tvalid, input_2_axis_tlast, input_3_axis_tdata, input_3_axis_tkeep, input_3_axis_tvalid, input_3_axis_tlast, output_0_axis_tdata, output_0_axis_tkeep, output_0_axis_tvalid, output_0_axis_tlast, output_1_axis_tdata, output_1_axis_tkeep, output_1_axis_tvalid, output_1_axis_tlast, output_2_axis_tdata, output_2_axis_tkeep, output_2_axis_tvalid, output_2_axis_tlast, output_3_axis_tdata, output_3_axis_tkeep, output_3_axis_tvalid, output_3_axis_tlast, output_0_select, output_1_select, output_2_select, output_3_select) @always(delay(4)) def clkgen(): clk.next = not clk @instance def check(): yield delay(100) yield clk.posedge rst.next = 1 yield clk.posedge rst.next = 0 yield clk.posedge yield delay(100) yield clk.posedge yield clk.posedge yield clk.posedge print("test 1: 0123 -> 0123") current_test.next = 1 output_0_select.next = 0 output_1_select.next = 1 output_2_select.next = 2 output_3_select.next = 3 test_frame0 = axis_ep.AXIStreamFrame(b'\x01\x00\x00\xFF\x01\x02\x03\x04') test_frame1 = axis_ep.AXIStreamFrame(b'\x01\x01\x01\xFF\x01\x02\x03\x04') test_frame2 = axis_ep.AXIStreamFrame(b'\x01\x02\x02\xFF\x01\x02\x03\x04') test_frame3 = axis_ep.AXIStreamFrame(b'\x01\x03\x03\xFF\x01\x02\x03\x04') source_0_queue.put(test_frame0) source_1_queue.put(test_frame1) source_2_queue.put(test_frame2) source_3_queue.put(test_frame3) yield clk.posedge while input_0_axis_tvalid or input_1_axis_tvalid or input_2_axis_tvalid or input_3_axis_tvalid: yield clk.posedge yield clk.posedge yield clk.posedge rx_frame0 = None if not sink_0_queue.empty(): rx_frame0 = sink_0_queue.get() assert rx_frame0 == test_frame0 rx_frame1 = None if not sink_1_queue.empty(): rx_frame1 = sink_1_queue.get() assert rx_frame1 == test_frame1 rx_frame2 = None if not sink_2_queue.empty(): rx_frame2 = sink_2_queue.get() assert rx_frame2 == test_frame2 rx_frame3 = None if not sink_3_queue.empty(): rx_frame3 = sink_3_queue.get() assert rx_frame3 == test_frame3 yield delay(100) yield clk.posedge print("test 2: 0123 -> 3210") current_test.next = 2 output_0_select.next = 3 output_1_select.next = 2 output_2_select.next = 1 output_3_select.next = 0 test_frame0 = axis_ep.AXIStreamFrame(b'\x02\x00\x03\xFF\x01\x02\x03\x04') test_frame1 = axis_ep.AXIStreamFrame(b'\x02\x01\x02\xFF\x01\x02\x03\x04') test_frame2 = axis_ep.AXIStreamFrame(b'\x02\x02\x01\xFF\x01\x02\x03\x04') test_frame3 = axis_ep.AXIStreamFrame(b'\x02\x03\x00\xFF\x01\x02\x03\x04') source_0_queue.put(test_frame0) source_1_queue.put(test_frame1) source_2_queue.put(test_frame2) source_3_queue.put(test_frame3) yield clk.posedge while input_0_axis_tvalid or input_1_axis_tvalid or input_2_axis_tvalid or input_3_axis_tvalid: yield clk.posedge yield clk.posedge yield clk.posedge rx_frame0 = None if not sink_0_queue.empty(): rx_frame0 = sink_0_queue.get() assert rx_frame0 == test_frame3 rx_frame1 = None if not sink_1_queue.empty(): rx_frame1 = sink_1_queue.get() assert rx_frame1 == test_frame2 rx_frame2 = None if not sink_2_queue.empty(): rx_frame2 = sink_2_queue.get() assert rx_frame2 == test_frame1 rx_frame3 = None if not sink_3_queue.empty(): rx_frame3 = sink_3_queue.get() assert rx_frame3 == test_frame0 yield delay(100) yield clk.posedge print("test 3: 0000 -> 0123") current_test.next = 3 output_0_select.next = 0 output_1_select.next = 0 output_2_select.next = 0 output_3_select.next = 0 test_frame0 = axis_ep.AXIStreamFrame(b'\x03\x00\xFF\xFF\x01\x02\x03\x04') source_0_queue.put(test_frame0) yield clk.posedge while input_0_axis_tvalid or input_1_axis_tvalid or input_2_axis_tvalid or input_3_axis_tvalid: yield clk.posedge yield clk.posedge yield clk.posedge rx_frame0 = None if not sink_0_queue.empty(): rx_frame0 = sink_0_queue.get() assert rx_frame0 == test_frame0 rx_frame1 = None if not sink_1_queue.empty(): rx_frame1 = sink_1_queue.get() assert rx_frame1 == test_frame0 rx_frame2 = None if not sink_2_queue.empty(): rx_frame2 = sink_2_queue.get() assert rx_frame2 == test_frame0 rx_frame3 = None if not sink_3_queue.empty(): rx_frame3 = sink_3_queue.get() assert rx_frame3 == test_frame0 yield delay(100) raise StopSimulation return dut, source_0, source_1, source_2, source_3, sink_0, sink_1, sink_2, sink_3, clkgen, check def test_bench(): os.chdir(os.path.dirname(os.path.abspath(__file__))) sim = Simulation(bench()) sim.run() if __name__ == '__main__': print("Running test...") test_bench()