106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
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// -*- C++ -*-
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//
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// This file is part of the Coriolis Software.
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// Copyright (c) UPMC 2021-2021, All Rights Reserved
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//
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// +-----------------------------------------------------------------+
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// | C O R I O L I S |
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// | E t e s i a n - A n a l y t i c P l a c e r |
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// | |
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// | Author : Jean-Paul CHAPUT |
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// | E-mail : Jean-Paul.Chaput@lip6.fr |
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// | =============================================================== |
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// | C++ Module : "./BufferCells.cpp" |
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// +-----------------------------------------------------------------+
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#include <sstream>
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#include "hurricane/Warning.h"
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#include "etesian/BufferCells.h"
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#include "etesian/EtesianEngine.h"
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namespace Etesian {
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using std::cerr;
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using std::endl;
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using std::map;
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using std::string;
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using std::ostringstream;
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using std::make_pair;
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using Hurricane::Warning;
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using Hurricane::DbU;
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using Hurricane::Cell;
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// -------------------------------------------------------------------
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// Class : "Etesian::BufferDatas".
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BufferDatas::BufferDatas ( Cell* cell, int32_t drive, uint32_t maxSinks )
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: _drive (drive)
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, _maxSinks(maxSinks)
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, _cell (cell)
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, _input (_findIo(Net::Direction::DirIn))
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, _output (_findIo(Net::Direction::DirOut))
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{ }
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Net* BufferDatas::_findIo ( uint32_t direction ) const
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{
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if (not _cell) return NULL;
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for ( Net* net : _cell->getNets() ) {
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if (net->isSupply()) continue;
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if (not net->isExternal()) continue;
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if (net->getDirection() & direction)
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return net;
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}
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cerr << Warning( "BufferDatas::_findIo(): Can't find an I/O net in cell \"%s\"."
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, getString(_cell->getName()).c_str() ) << endl;
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return NULL;
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}
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// -------------------------------------------------------------------
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// Class : "Etesian::BufferCells".
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void BufferCells::useBuffer ( Cell* cell, int drive, uint32_t maxSinks )
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{
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if (not cell) return;
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if (getBuffer(drive)) {
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cerr << Warning( "BufferCells::useBuffer(): \"%s\" duplicate buffer for strenght %d."
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, getString(cell->getName()).c_str()
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, drive
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) << endl;
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return;
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}
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_bufferCells.insert( make_pair(drive,new BufferDatas(cell,drive,maxSinks)) );
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}
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BufferDatas* BufferCells::getBiggestBuffer () const
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{
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if (_bufferCells.empty()) return NULL;
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return (*(--_bufferCells.end())).second;
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}
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BufferDatas* BufferCells::getSmallestBuffer () const
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{
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if (_bufferCells.empty()) return NULL;
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return (*(_bufferCells.begin())).second;
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}
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BufferDatas* BufferCells::getBuffer ( int drive ) const
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{
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map<int,BufferDatas*>::const_iterator ibuffer = _bufferCells.find( drive );
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if (ibuffer == _bufferCells.end()) return NULL;
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return (*ibuffer).second;
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}
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} // Etesian namespace.
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