blob: deb463c886206a7e3b05ca1c5b3666125a07bce9 (
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__all__ = ['SmpModel']
class SmpModel:
def __init__(self):
self._pes = [
SmpPe(0),
SmpPe(1),
SmpPe(1),
SmpPe(1)]
def read(self):
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):
self._bkpt = 0
self._halted = halt_on_reset
def read(self):
# bit 2 es alive
return 1 << 2 \
| self._bkpt << 1 \
| self._halted
def halt(self):
self._halted = 1
def run(self):
self._halted = 0
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