89 lines
2.4 KiB
Python
89 lines
2.4 KiB
Python
from lib.sata.common import *
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from lib.sata.phy.datapath import SATAPHYDatapath
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from lib.sata.test.common import *
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class DataPacket(list):
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def __init__(self, data=[]):
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self.ongoing = False
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self.done = False
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for d in data:
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self.append(d)
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class DataStreamer(PacketStreamer):
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def __init__(self):
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PacketStreamer.__init__(self, phy_description(32), DataPacket)
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def do_simulation(self, selfp):
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PacketStreamer.do_simulation(self, selfp)
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selfp.source.charisk = 0
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# Note: for simplicity we generate charisk by detecting
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# primitives in data
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for k, v in primitives.items():
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try:
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if self.source_data == v:
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selfp.source.charisk = 0b0001
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except:
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pass
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class DataLogger(PacketLogger):
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def __init__(self):
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PacketLogger.__init__(self, phy_description(32), DataPacket)
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class TRX(Module):
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def __init__(self):
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self.sink = Sink(phy_description(32))
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self.source = Source(phy_description(32))
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self.comb += Record.connect(self.sink, self.source)
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class CTRL(Module):
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def __init__(self):
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self.sink = Sink(phy_description(32))
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self.source = Source(phy_description(32))
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self.ready = Signal(reset=1)
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class TB(Module):
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def __init__(self):
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# use sys_clk for each clock_domain
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self.clock_domains.cd_sata_rx = ClockDomain()
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self.clock_domains.cd_sata_tx = ClockDomain()
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self.comb += [
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self.cd_sata_rx.clk.eq(ClockSignal()),
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self.cd_sata_rx.rst.eq(ResetSignal()),
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self.cd_sata_tx.clk.eq(ClockSignal()),
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self.cd_sata_tx.rst.eq(ResetSignal()),
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]
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self.streamer = DataStreamer()
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self.streamer_randomizer = Randomizer(phy_description(32), level=10)
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self.trx = TRX()
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self.ctrl = CTRL()
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self.datapath = SATAPHYDatapath(self.trx, self.ctrl)
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self.logger_randomizer = Randomizer(phy_description(32), level=10)
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self.logger = DataLogger()
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self.pipeline = Pipeline(
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self.streamer,
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self.streamer_randomizer,
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self.datapath,
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self.logger_randomizer,
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self.logger
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)
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def gen_simulation(self, selfp):
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streamer_packet = DataPacket([seed_to_data(i, False) for i in range(512)])
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yield from self.streamer.send(streamer_packet)
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yield from self.logger.receive(512)
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for d in self.logger.packet:
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r = "%08x " %d
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r +=decode_primitive(d)
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print(r)
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# check results
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#s, l, e = check(streamer_packet, self.logger.packet)
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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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