diff options
Diffstat (limited to '')
| -rw-r--r-- | tb/models/smp.py | 29 | ||||
| -rw-r--r-- | tb/top/test_smp.py | 12 |
2 files changed, 31 insertions, 10 deletions
diff --git a/tb/models/smp.py b/tb/models/smp.py index a6439f8..c5bb760 100644 --- a/tb/models/smp.py +++ b/tb/models/smp.py @@ -2,16 +2,23 @@ __all__ = ['SmpModel'] class SmpModel: def __init__(self): - self._pe0 = SmpPe(0) - self._pe1 = SmpPe(1) - self._pe2 = SmpPe(1) - self._pe3 = SmpPe(1) + self._pes = [ + SmpPe(0), + SmpPe(1), + SmpPe(1), + SmpPe(1)] def read(self): - return self._pe0.read() \ - | self._pe1.read() << 8 \ - | self._pe2.read() << 16 \ - | self._pe3.read() << 24 + return self._pes[0].read() \ + | self._pes[1].read() << 8 \ + | self._pes[2].read() << 16 \ + | self._pes[3].read() << 24 + + def halt(self, cpu): + self._pes[cpu].halt() + + def run(self, cpu): + self._pes[cpu].run() class SmpPe: def __init__(self, halt_on_reset): @@ -20,3 +27,9 @@ class SmpPe: def read(self): return self._bkpt << 1 | self._halted + + def halt(self): + self._halted = 1 + + def run(self): + self._halted = 0 diff --git a/tb/top/test_smp.py b/tb/top/test_smp.py index 5960373..a3cb61f 100644 --- a/tb/top/test_smp.py +++ b/tb/top/test_smp.py @@ -6,7 +6,7 @@ from cocotb_bus.drivers.avalon import AvalonMaster from tb.models import CorePaceModel, SmpModel @cocotb.test() -async def reset(dut): +async def bring_up(dut): await cocotb.start(Clock(dut.clk, 2).start()) dut.rst_n.value = 1 @@ -39,5 +39,13 @@ async def reset(dut): [dut.cpu_halted_1, dut.cpu_halted_2, dut.cpu_halted_3])), 50) - await ClockCycles(dut.clk, 5) + await ClockCycles(dut.clk, 10) + assert await master.read(0) == model.read() + + await master.write(0, 0x01000102) + model.halt(0) + model.run(1) + model.run(3) + + await ClockCycles(dut.clk, 10) assert await master.read(0) == model.read() |