parallel_pe.h

/*******************************************************************************
 * Copyright 2020-2022 MINRES Technologies GmbH
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
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#ifndef _TLM_SCC_PE_PARALLEL_PE_H_
#define _TLM_SCC_PE_PARALLEL_PE_H_
 
#include "intor_if.h"
#include <deque>
#include <tlm>
namespace tlm {
namespace scc {
namespace pe {
 
class parallel_pe : public sc_core::sc_module, public intor_fw_nb {
    template <class IF> using sc_port_opt = sc_core::sc_port<IF, 1, sc_core::SC_ZERO_OR_MORE_BOUND>;
 
    struct thread_unit {
        sc_core::sc_event evt;
        tlm::tlm_generic_payload* gp{nullptr};
        bool lt_transport{false};
        sc_core::sc_process_handle hndl{};
        thread_unit(const thread_unit& o)
        : gp(o.gp)
        , lt_transport(o.lt_transport)
        , hndl(o.hndl) {}
        thread_unit() = default;
    };
 
public:
    sc_core::sc_export<intor_fw_nb> fw_i{"fw_i"};
 
    sc_port_opt<intor_bw_nb> bw_o{"bw_o"};
 
    sc_core::sc_port<intor_fw_b> fw_o{"fw_o"};
 
    parallel_pe(sc_core::sc_module_name const& nm);
 
    virtual ~parallel_pe();
 
private:
    void transport(tlm::tlm_generic_payload& payload, bool lt_transport = false) override;
 
    void snoop_resp(tlm::tlm_generic_payload& payload, bool sync) override { fw_o->snoop_resp(payload, sync); }
 
    std::deque<unsigned> waiting_ids;
    std::vector<thread_unit> threads;
};
 
} /* namespace pe */
} // namespace scc
} /* namespace tlm */
 
#endif /* _TLM_SCC_PE_PARALLEL_PE_H_ */