100 lines
3.9 KiB
Python
100 lines
3.9 KiB
Python
#!/usr/bin/python
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# This file is part of the Coriolis Project.
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# Copyright (C) Laboratoire LIP6 - Departement ASIM
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# Universite Pierre et Marie Curie
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#
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# Main contributors :
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# Christophe Alexandre <Christophe.Alexandre@lip6.fr>
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# Sophie Belloeil <Sophie.Belloeil@lip6.fr>
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# Hugo Clement <Hugo.Clement@lip6.fr>
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# Jean-Paul Chaput <Jean-Paul.Chaput@lip6.fr>
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# Damien Dupuis <Damien.Dupuis@lip6.fr>
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# Christian Masson <Christian.Masson@lip6.fr>
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# Marek Sroka <Marek.Sroka@lip6.fr>
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#
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# The Coriolis Project is free software; you can redistribute it
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# and/or modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# The Coriolis Project is distributed in the hope that it will be
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# useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with the Coriolis Project; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA
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#
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# License-Tag
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# Authors-Tag
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# ===================================================================
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#
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# x-----------------------------------------------------------------x
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# | |
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# | C O R I O L I S |
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# | S t r a t u s - Netlists/Layouts Description |
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# | |
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# | Author : Sophie BELLOEIL |
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# | E-mail : Sophie.Belloeil@asim.lip6.fr |
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# | =============================================================== |
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# | Py Module : "./st_mult_blocs.py" |
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# | *************************************************************** |
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# | U p d a t e s |
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# | |
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# x-----------------------------------------------------------------x
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from stratus import *
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class booth_decoder ( Model ) :
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def Interface ( self ) :
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self.Bminus = SignalIn ( "bminus", 1 )
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self.B = SignalIn ( "b", 1 )
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self.Bplus = SignalIn ( "bplus", 1 )
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self.NUL = SignalOut ( "nul", 1 )
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self.DECA = SignalOut ( "deca", 1 )
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self.COMP = SignalOut ( "comp", 1 )
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self.vdd = VddIn ( "vdd" )
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self.vss = VssIn ( "vss" )
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def Netlist ( self ) :
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inv_B = Signal ( "inv_b" )
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inv_Bplus = Signal ( "inv_bplus" )
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inv_Bminus = Signal ( "inv_bminus" )
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inv_B <= ~self.B
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inv_Bplus <= ~self.Bplus
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inv_Bminus <= ~self.Bminus
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self.NUL <= ( self.Bplus & self.B & self.Bminus ) | ( inv_B & inv_Bplus & inv_Bminus )
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self.COMP <= self.Bplus & ( inv_B | inv_Bminus )
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self.DECA <= ( inv_B & inv_Bminus & self.Bplus ) | ( inv_Bplus & self.B & self.Bminus )
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def GetModelName ( cls, param ) :
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return "booth_decoder"
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GetModelName = classmethod ( GetModelName )
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class booth_mux ( Model ) :
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def Interface ( self ) :
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self.A = SignalIn ( "a", 1 )
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self.B = SignalIn ( "b", 1 )
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self.NUL = SignalIn ( "nul", 1 )
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self.COMP = SignalIn ( "comp", 1 )
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self.DECA = SignalIn ( "deca", 1 )
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self.PP = SignalOut ( "pp", 1 )
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self.vdd = VddIn ( "vdd" )
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self.vss = VssIn ( "vss" )
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def Netlist ( self ) :
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self.PP <= ( ( ( self.A & self.DECA ) | ( ~self.DECA & self.B ) ) ^ ( self.COMP ) ) & ( ~self.NUL )
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def GetModelName ( cls, param ) :
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return "booth_mux"
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GetModelName = classmethod ( GetModelName )
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