cocotb/Makefile

@@ -1,9 +1,7 @@
 # defaults
-
 SIM ?= ghdl
 TOPLEVEL_LANG ?= vhdl
 BASE = $(PWD)/..
-BENCHTOP ?= cocotb_top_mac_test
 
 COMPILE_ARGS=--std=08
 SIM_ARGS ?= --wave=wave.ghw
@@ -13,7 +11,7 @@ VHDL_SOURCES_design += $(BASE)/design/*.vhd
 VHDL_SOURCES_design += $(BASE)/bench/pll0.vhd
 VHDL_SOURCES += $(BASE)/cocotb/*.vhd
 
-TOPLEVEL ?= $(BENCHTOP)
+TOPLEVEL = cocotb_top_mac_test
-MODULE ?= $(BENCHTOP)
+MODULE = cocotb_top_mac_test
 
 include $(shell cocotb-config --makefiles)/Makefile.sim

cocotb/hw_itl.py

@@ -1,72 +0,0 @@
-#!/usr/bin/env python
-
-import cocotb
-from cocotb.triggers import *
-from cocotb.result import *
-from cocotb.queue import Queue
-from cocotb_helpers import buffers
-
-import sys
-import threading
-import socket
-import time
-import os
-import asyncio
-import fcntl
-
-class MacDevReceiver():
-	def __init__(self, dut, eth_tx, eth_rx, dev):
-		self.dut = dut
-		self.eth_tx = eth_tx
-		self.eth_rx = eth_rx
-		self.dev = dev
-		self.mac_rx_ev = Event()
-
-		print("Setting IF to promisc mode...")
-		os.system("ip link set promisc on dev {}".format(dev))
-
-		ETH_P_ALL=3
-		self.macdev=socket.socket(socket.AF_PACKET, socket.SOCK_RAW, socket.htons(ETH_P_ALL))
-		self.macdev.bind((dev, 0))
-		fcntl.fcntl(self.macdev, fcntl.F_SETFL, os.O_NONBLOCK)
-
-	async def main(self):
-		ETH_HEAD = b'\x55\x55\x55\x55\xD5'
-		while True:
-			try:
-				r = self.macdev.recv(2000)
-				await self.eth_tx.send(ETH_HEAD + r);
-			except:
-				await Timer(1, "us")
-				pass
-	async def main_rx(self):
-		while True:
-			frame = await self.eth_rx.queue.get()
-			self.dut._log.info("RX Frame: " + str(frame))
-			self.macdev.send(frame)
-
-	async def start(self):
-		await cocotb.start(self.main())
-		await cocotb.start(self.main_rx())
-
-@cocotb.test()
-async def hwitl(dut):
-	"""Real-Ethernet-hardware in the loop test"""
-
-	# Start verification components
-	eth_tx = buffers.tx_buffer(dut, "cocovc_eth_inst.cocotb_tx_")
-	await eth_tx.start()
-	eth_rx = buffers.rx_buffer(dut, "cocovc_eth_inst.cocotb_rx_")
-	await eth_rx.start()
-
-	# Start local monitors
-	macdev_receiver = MacDevReceiver(dut, eth_tx, eth_rx, "virt0")
-
-	# Wait for VHDL part to be ready
-	await Edge(dut.bench_ready)
-
-	print("beep")
-	await macdev_receiver.start()
-
-	print("Press Ctrl+C to stop the test.")
-	await Timer(100, "sec")

cocotb/hw_itl.sh

@@ -1,5 +0,0 @@
-#!/bin/bash
-
-echo Hardware in the loop test
-
-make TOPLEVEL=cocotb_top_mac_test MODULE=hw_itl