28 lines
1010 B
Python
28 lines
1010 B
Python
from migen.fhdl.structure import *
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from migen.flow.actor import *
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from migen.corelogic.record import *
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from migen.corelogic import divider
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class Adder(Actor):
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def __init__(self, width):
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self.operands = Record([('a', BV(width)), ('b', BV(width))])
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self.result = Record(['sum', BV(width+1)])
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Actor.__init__(self,
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SchedulingModel(SchedulingModel.COMBINATORIAL),
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self.operands, self.result)
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def get_process_fragment(self):
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return Fragment([self.result.sum.eq(self.operands.a + self.operands.b)])
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class Divider(Actor):
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def __init__(self, width):
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self.div = divider.Inst(width)
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self.operands = Record([('dividend', self.div.dividend_i), ('divisor', self.div.divisor_i)])
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self.result = Record([('quotient', self.div.quotient_o), ('remainder', self.div.remainder_o)])
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Actor.__init__(self,
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SchedulingModel(SchedulingModel.SEQUENTIAL, width),
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self.operands, self.result)
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def get_process_fragment(self):
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return self.div.get_fragment() + Fragment([self.div.start_i.eq(self.trigger)])
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