hls_function_step.hpp

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/*
 *
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 *
 *             ***********************************************
 *                              PandA Project
 *                     URL: http://panda.dei.polimi.it
 *                       Politecnico di Milano - DEIB
 *                        System Architectures Group
 *             ***********************************************
 *              Copyright (C) 2004-2024 Politecnico di Milano
 *
 *   This file is part of the PandA framework.
 *
 *   The PandA framework is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#ifndef HLS_FUNCION_STEP_HPP
#define HLS_FUNCION_STEP_HPP

#include "hls_step.hpp"

class HLSFunctionStep : public HLS_step
{
 protected:
   std::map<unsigned int, unsigned int> last_bb_ver;

   std::map<unsigned int, unsigned int> last_bitvalue_ver;

   const unsigned int funId;

   hlsRef HLS;

   unsigned int bb_version;

   unsigned int bitvalue_version;

   unsigned int memory_version;

   void ComputeRelationships(DesignFlowStepSet& design_flow_step_set,
                             const DesignFlowStep::RelationshipType relationship_type) override;

   virtual DesignFlowStep_Status InternalExec() = 0;

 private:
   bool HasToBeExecuted0() const;

 public:
   HLSFunctionStep(
       const ParameterConstRef Param, const HLS_managerRef HLSMgr, unsigned int funId,
       const DesignFlowManagerConstRef design_flow_manager, const HLSFlowStep_Type hls_flow_step_type,
       const HLSFlowStepSpecializationConstRef hls_flow_step_specialization = HLSFlowStepSpecializationConstRef());

   ~HLSFunctionStep() override;

   bool HasToBeExecuted() const override;

   void Initialize() override;

   std::string GetSignature() const final;

   static std::string ComputeSignature(const HLSFlowStep_Type hls_flow_step_type,
                                       const HLSFlowStepSpecializationConstRef hls_flow_step_specialization,
                                       const unsigned int function_id);

   std::string GetName() const final;

   DesignFlowStep_Status Exec() final;
};
#endif