FUArchitecture.hh

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file FUArchitecture.hh
 *
 * Declaration of FUArchitecture class.
 *
 * @author Lasse Laasonen 2005 (lasse.laasonen-no.spam-tut.fi)
 * @note rating: red
 */
 
#ifndef TTA_FU_ARCHITECTURE_HH
#define TTA_FU_ARCHITECTURE_HH
 
#include <string>
#include <set>
#include <map>
#include <vector>
 
#include "HWBlockArchitecture.hh"
#include "HDBTypes.hh"
#include "Exception.hh"
 
namespace TTAMachine {
    class FunctionUnit;
    class PipelineElement;
}
 
namespace HDB {
 
/**
 * Represents architecture of an FU in HDB.
 */
class FUArchitecture : public HWBlockArchitecture {
public:
    FUArchitecture(TTAMachine::FunctionUnit* fu);
    FUArchitecture(const FUArchitecture& o);
    virtual ~FUArchitecture();
 
    bool hasParameterizedWidth(const std::string& port) const;
    void setParameterizedWidth(const std::string& port);
    bool hasGuardSupport(const std::string& port) const;
    void setGuardSupport(const std::string& port);
 
    TTAMachine::FunctionUnit& architecture() const;
    HDB::Direction portDirection(const std::string& port) const;
 
    bool operator==(const FUArchitecture& rightHand) const;
private:
    /// Struct PipelineElementUsage
    struct PipelineElementUsage {
        std::set<const TTAMachine::PipelineElement*> usage1;
        std::set<const TTAMachine::PipelineElement*> usage2;
    };
 
    /// typedef for PipelineElemetnUsageTable
    typedef std::vector<PipelineElementUsage> PipelineElementUsageTable;
 
    /// Set type for port names.
    typedef std::set<std::string> PortSet;
 
    /// The function unit.
    TTAMachine::FunctionUnit* fu_;
    /// Parameterized ports.
    PortSet parameterizedPorts_;
    /// Port that support guard.
    PortSet guardedPorts_;
};
}
 
#endif