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`timescale 1ns / 1ps
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`timescale 1ns / 1ps
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`include "aDefinitions.v"
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`include "aDefinitions.v"
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`ifdef VERILATOR
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`include "Theia_Core.v"
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`endif
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/**********************************************************************************
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/**********************************************************************************
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Theia, Ray Cast Programable graphic Processing Unit.
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Theia, Ray Cast Programable graphic Processing Unit.
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Copyright (C) 2010 Diego Valverde (diego.valverde.g@gmail.com)
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Copyright (C) 2010 Diego Valverde (diego.valverde.g@gmail.com)
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This program is free software; you can redistribute it and/or
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This program is free software; you can redistribute it and/or
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//Create the Cross-Bar interconnection grid now, rows are coonected to the memory banks,
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//Create the Cross-Bar interconnection grid now, rows are coonected to the memory banks,
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//while collumns are connected to the cores, 2 or more cores can not read from the same
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//while collumns are connected to the cores, 2 or more cores can not read from the same
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//bank at any given point in time
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//bank at any given point in time
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for (Core = 0; Core < `MAX_CORES; Core = Core + 1)
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for (Core = 0; Core < `MAX_CORES; Core = Core + 1)
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begin: CORE_CONNECT
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begin: CORE_CONNECT
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`ifndef VERILATOR
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//Connect the Data Collum of this core to the Data Row of current bank, only if the Core is looking for data stored in this bank
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//Connect the Data Collum of this core to the Data Row of current bank, only if the Core is looking for data stored in this bank
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assign wCrossBarDataCollumn[ Core ] = ( wCoreBankSelect[ Core ] == Bank ) ? wCrossBarDataRow[ Bank ] : `WB_WIDTH'bz;
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assign wCrossBarDataCollumn[ Core ] = ( wCoreBankSelect[ Core ] == Bank ) ? wCrossBarDataRow[ Bank ] : `WB_WIDTH'bz;
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//Connect the Address Row of this Bank to the Address Column of the core, only if the Arbiter selected this core for reading
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//Connect the Address Row of this Bank to the Address Column of the core, only if the Arbiter selected this core for reading
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assign wCrossBarAddressRow[ Bank ] = ( wCurrentCoreSelected[ Bank ] == Core ) ? wCrossBarAdressCollumn[Core]: `WB_WIDTH'bz;
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assign wCrossBarAddressRow[ Bank ] = ( wCurrentCoreSelected[ Bank ] == Core ) ? wCrossBarAdressCollumn[Core]: `WB_WIDTH'bz;
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`endif
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end
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end
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end
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end
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endgenerate
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endgenerate
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