etherbone_tb: add autocheck
This commit is contained in:
Florent Kermarrec
parent
d5887416f1
commit
9eb2e313e7
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@ -15,12 +15,12 @@ mac_address = 0x12345678abcd
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class TB(Module):
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def __init__(self):
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self.submodules.phy_model = phy.PHY(8, debug=True)
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self.submodules.mac_model = mac.MAC(self.phy_model, debug=True, loopback=False)
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self.submodules.phy_model = phy.PHY(8, debug=False)
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self.submodules.mac_model = mac.MAC(self.phy_model, debug=False, loopback=False)
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self.submodules.arp_model = arp.ARP(self.mac_model, mac_address, ip_address, debug=False)
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self.submodules.ip_model = ip.IP(self.mac_model, mac_address, ip_address, debug=True, loopback=False)
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self.submodules.udp_model = udp.UDP(self.ip_model, ip_address, debug=True, loopback=False)
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self.submodules.etherbone_model = etherbone.Etherbone(self.udp_model, debug=True)
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self.submodules.ip_model = ip.IP(self.mac_model, mac_address, ip_address, debug=False, loopback=False)
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self.submodules.udp_model = udp.UDP(self.ip_model, ip_address, debug=False, loopback=False)
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self.submodules.etherbone_model = etherbone.Etherbone(self.udp_model, debug=False)
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self.submodules.core = LiteEthUDPIPCore(self.phy_model, mac_address, ip_address, 100000)
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self.submodules.etherbone = LiteEthEtherbone(self.core.udp, 20000)
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@ -50,7 +50,7 @@ class TB(Module):
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for i in range(100):
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yield
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test_probe = False
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test_probe = True
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test_writes = True
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test_reads = True
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@ -59,59 +59,65 @@ class TB(Module):
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packet = etherbone.EtherbonePacket()
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packet.pf = 1
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self.etherbone_model.send(packet)
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yield from self.etherbone_model.receive()
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print("probe: " + str(bool(self.etherbone_model.rx_packet.pr)))
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for i in range(1024):
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yield
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for i in range(8):
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# test writes
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if test_writes:
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writes = etherbone.EtherboneWrites(base_addr=0x1000)
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writes_data = [j for j in range(16)]
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for write_data in writes_data:
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writes.add(etherbone.EtherboneWrite(write_data))
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record = etherbone.EtherboneRecord()
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record.writes = writes
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record.reads = None
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record.bca = 0
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record.rca = 0
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record.rff = 0
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record.cyc = 0
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record.wca = 0
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record.wff = 0
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record.byte_enable = 0xf
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record.wcount = 16
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record.rcount = 0
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# test writes
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if test_writes:
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writes = etherbone.EtherboneWrites(base_addr=0x1000)
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for i in range(16):
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writes.add(etherbone.EtherboneWrite(i))
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record = etherbone.EtherboneRecord()
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record.writes = writes
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record.reads = None
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record.bca = 0
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record.rca = 0
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record.rff = 0
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record.cyc = 0
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record.wca = 0
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record.wff = 0
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record.byte_enable = 0xf
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record.wcount = 16
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record.rcount = 0
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packet = etherbone.EtherbonePacket()
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packet.records = [record]
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self.etherbone_model.send(packet)
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for i in range(256):
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yield
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packet = etherbone.EtherbonePacket()
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packet.records = [record]
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self.etherbone_model.send(packet)
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# test reads
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if test_reads:
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reads = etherbone.EtherboneReads(base_ret_addr=0x1000)
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reads_address = [j for j in range(16)]
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for read_address in reads_address:
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reads.add(etherbone.EtherboneRead(read_address))
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record = etherbone.EtherboneRecord()
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record.writes = None
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record.reads = reads
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record.bca = 0
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record.rca = 0
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record.rff = 0
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record.cyc = 0
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record.wca = 0
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record.wff = 0
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record.byte_enable = 0xf
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record.wcount = 0
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record.rcount = 16
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for i in range(1024):
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yield
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packet = etherbone.EtherbonePacket()
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packet.records = [record]
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self.etherbone_model.send(packet)
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yield from self.etherbone_model.receive()
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loopback_writes_data = []
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for write in self.etherbone_model.rx_packet.records.pop().writes.writes:
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loopback_writes_data.append(write.data)
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# test reads
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if test_reads:
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reads = etherbone.EtherboneReads(base_ret_addr=0x1000)
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for i in range(16):
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reads.add(etherbone.EtherboneRead(i))
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record = etherbone.EtherboneRecord()
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record.writes = None
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record.reads = reads
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record.bca = 0
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record.rca = 0
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record.rff = 0
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record.cyc = 0
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record.wca = 0
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record.wff = 0
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record.byte_enable = 0xf
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record.wcount = 0
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record.rcount = 16
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packet = etherbone.EtherbonePacket()
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packet.records = [record]
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self.etherbone_model.send(packet)
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for i in range(1024):
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yield
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# check results
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s, l, e = check(writes_data, loopback_writes_data)
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print("shift "+ str(s) + " / length " + str(l) + " / errors " + str(e))
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if __name__ == "__main__":
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run_simulation(TB(), ncycles=4096, vcd_name="my.vcd", keep_files=True)
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@ -281,12 +281,19 @@ class Etherbone(Module):
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udp_packet.checksum = 0
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self.udp.send(udp_packet)
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def receive(self):
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self.rx_packet = EtherbonePacket()
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while not self.rx_packet.done:
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yield
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def callback(self, packet):
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packet = EtherbonePacket(packet)
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packet.decode()
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if self.debug:
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print_etherbone("<<<<<<<<")
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print_etherbone(packet)
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self.rx_packet = packet
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self.rx_packet.done = True
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self.process(packet)
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def process(self, packet):
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