obi_tlm.h

/*******************************************************************************
 * Copyright 2021 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.
 *******************************************************************************/
 
#ifndef _BUS_OBI_TLM_H_
#define _BUS_OBI_TLM_H_
 
#include <array>
#include <cstdint>
#include <tlm>
 
namespace obi {
 
struct obi_extension : public tlm::tlm_extension<obi_extension> {
 
    uint32_t get_id() const;
    void set_id(uint32_t);
 
    uint32_t get_auser() const;
    void set_auser(uint32_t);
 
    uint32_t get_duser() const;
    void set_duser(uint32_t);
 
    obi_extension() = default;
 
    obi_extension(const obi_extension& o) = default;
    tlm::tlm_extension_base* clone() const override;
    void copy_from(tlm::tlm_extension_base const& ext) override;
 
private:
    uint32_t id{0};
    uint32_t auser{0};
    uint32_t duser{0};
};
 
inline tlm::tlm_extension_base* obi_extension::clone() const { return new obi_extension(*this); }
 
inline uint32_t obi_extension::get_id() const { return id; }
 
inline void obi_extension::set_id(uint32_t unsignedInt) { id = unsignedInt; }
 
inline uint32_t obi_extension::get_auser() const { return auser; }
 
inline void obi_extension::set_auser(uint32_t unsignedInt) { auser = unsignedInt; }
 
inline uint32_t obi_extension::get_duser() const { return duser; }
 
inline void obi_extension::set_duser(uint32_t unsignedInt) { duser = unsignedInt; }
 
inline void obi_extension::copy_from(const tlm::tlm_extension_base& ext) {
    auto const* obi_ext = dynamic_cast<const obi_extension*>(&ext);
    assert(obi_ext);
    (*this) = *obi_ext;
}
 
inline unsigned get_obi_id(tlm::tlm_generic_payload& trans) {
    auto* ext = trans.get_extension<obi::obi_extension>();
    assert(ext && "No OBI extension found");
    return ext->get_id();
}
} // namespace obi
 
#endif /* _BUS_OBI_TLM_H_ */