49 lines
1.2 KiB
Python
49 lines
1.2 KiB
Python
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from migen.fhdl.structure import *
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from migen.bus.asmibus import *
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from migen.sim.generic import Simulator, TopLevel
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from migen.sim.icarus import Runner
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from milkymist.asmicon.bankmachine import *
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from common import sdram_geom, sdram_timing, CommandLogger
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def my_generator():
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for x in range(10):
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t = TWrite(x)
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yield t
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for x in range(10):
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t = TWrite(x + 2200)
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yield t
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class Completer:
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def __init__(self, hub, cmd):
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self.hub = hub
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self.cmd = cmd
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def get_fragment(self):
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sync = [
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self.hub.call.eq(self.cmd.stb & self.cmd.ack & (self.cmd.is_read | self.cmd.is_write)),
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self.hub.tag_call.eq(self.cmd.tag)
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]
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return Fragment(sync=sync)
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def main():
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hub = Hub(12, 128, 2)
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initiator = Initiator(hub.get_port(), my_generator())
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hub.finalize()
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dut = BankMachine(sdram_geom, sdram_timing, 2, 0, hub.get_slots())
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logger = CommandLogger(dut.cmd, True)
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completer = Completer(hub, dut.cmd)
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def end_simulation(s):
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s.interrupt = initiator.done
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fragment = hub.get_fragment() + initiator.get_fragment() + \
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dut.get_fragment() + logger.get_fragment() + completer.get_fragment() + \
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Fragment(sim=[end_simulation])
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sim = Simulator(fragment, Runner(), TopLevel("my.vcd"))
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sim.run()
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main()
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