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Diffstat (limited to 'ext/systemc/src/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h')
| -rw-r--r-- | ext/systemc/src/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/ext/systemc/src/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h b/ext/systemc/src/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h new file mode 100644 index 000000000..4ed29f62a --- /dev/null +++ b/ext/systemc/src/tlm_core/tlm_2/tlm_sockets/tlm_target_socket.h @@ -0,0 +1,275 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you 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 __TLM_TARGET_SOCKET_H__ +#define __TLM_TARGET_SOCKET_H__ + +//#include <systemc> +#include "tlm_core/tlm_2/tlm_2_interfaces/tlm_fw_bw_ifs.h" + + +namespace tlm { + +template <unsigned int BUSWIDTH = 32, + typename FW_IF = tlm_fw_transport_if<>, + typename BW_IF = tlm_bw_transport_if<> > +class tlm_base_target_socket_b +{ +public: + virtual ~tlm_base_target_socket_b() {} + + virtual sc_core::sc_port_b<BW_IF> & get_base_port() = 0; + virtual sc_core::sc_export<FW_IF> & get_base_export() = 0; + virtual FW_IF & get_base_interface() = 0; +}; + +template <unsigned int BUSWIDTH, + typename FW_IF, + typename BW_IF> class tlm_base_initiator_socket_b; + +template <unsigned int BUSWIDTH, + typename FW_IF, + typename BW_IF, + int N +#if !(defined SYSTEMC_VERSION & SYSTEMC_VERSION <= 20050714) + ,sc_core::sc_port_policy POL +#endif + > class tlm_base_initiator_socket; + +template <unsigned int BUSWIDTH = 32, + typename FW_IF = tlm_fw_transport_if<>, + typename BW_IF = tlm_bw_transport_if<>, + int N = 1 +#if !(defined SYSTEMC_VERSION & SYSTEMC_VERSION <= 20050714) + ,sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND +#endif + > +class tlm_base_target_socket : public tlm_base_target_socket_b<BUSWIDTH, FW_IF, BW_IF>, + public sc_core::sc_export<FW_IF> +{ +public: + typedef FW_IF fw_interface_type; + typedef BW_IF bw_interface_type; + typedef sc_core::sc_port<bw_interface_type, N +#if !(defined SYSTEMC_VERSION & SYSTEMC_VERSION <= 20050714) + , POL +#endif + > port_type; + + typedef sc_core::sc_export<fw_interface_type> export_type; + typedef tlm_base_initiator_socket_b<BUSWIDTH, + fw_interface_type, + bw_interface_type> base_initiator_socket_type; + + typedef tlm_base_target_socket_b<BUSWIDTH, + fw_interface_type, + bw_interface_type> base_type; + + template <unsigned int, typename, typename, int +#if !(defined SYSTEMC_VERSION & SYSTEMC_VERSION <= 20050714) + ,sc_core::sc_port_policy +#endif + + > + friend class tlm_base_initiator_socket; + +public: + tlm_base_target_socket() + : export_type(sc_core::sc_gen_unique_name("tlm_base_target_socket")) + , m_port(sc_core::sc_gen_unique_name("tlm_base_target_socket_port")) + { + } + + explicit tlm_base_target_socket(const char* name) + : export_type(name) + , m_port(sc_core::sc_gen_unique_name((std::string(name) + "_port").c_str())) + { + } + + virtual const char* kind() const + { + return "tlm_base_target_socket"; + } + + unsigned int get_bus_width() const + { + return BUSWIDTH; + } + + // + // Bind target socket to initiator socket + // - Binds the port of the initiator socket to the export of the target + // socket + // - Binds the port of the target socket to the export of the initiator + // socket + // + virtual void bind(base_initiator_socket_type& s) + { + // initiator.port -> target.export + (s.get_base_port())(get_base_interface()); + // target.port -> initiator.export + get_base_port()(s.get_base_interface()); + } + + void operator() (base_initiator_socket_type& s) + { + bind(s); + } + + // + // Bind target socket to target socket (hierarchical bind) + // - Binds both the export and the port + // + virtual void bind(base_type& s) + { + // export + (get_base_export())(s.get_base_export()); + // port + (s.get_base_port())(get_base_port()); + } + + void operator() (base_type& s) + { + bind(s); + } + + // + // Bind interface to socket + // - Binds the interface to the export + // + virtual void bind(fw_interface_type& ifs) + { + export_type* exp = &get_base_export(); + if( this == exp ) { + export_type::bind( ifs ); // non-virtual function call + } else { + exp->bind( ifs ); + } + } + + void operator() (fw_interface_type& s) + { + bind(s); + } + + // + // Forward to 'size()' of port class + // + int size() const + { + return m_port.size(); + } + + // + // Forward to 'operator->()' of port class + // + bw_interface_type* operator->() + { + return m_port.operator->(); + } + + // + // Forward to 'operator[]()' of port class + // + bw_interface_type* operator[](int i) + { + return m_port.operator[](i); + } + + // Implementation of pure virtual functions of base class + + virtual sc_core::sc_port_b<BW_IF> & get_base_port() + { return m_port; } + virtual sc_core::sc_port_b<BW_IF> const & get_base_port() const + { return m_port; } + + virtual FW_IF & get_base_interface() + { return *this; } + virtual FW_IF const & get_base_interface() const +#if !( defined(IEEE_1666_SYSTEMC) && IEEE_1666_SYSTEMC >= 201101L ) + { return *const_cast<export_type*>(static_cast<export_type const*>(this)); } +#else + { return *this; } +#endif + + virtual sc_core::sc_export<FW_IF> & get_base_export() + { return *this; } + virtual sc_core::sc_export<FW_IF> const & get_base_export() const + { return *this; } + +protected: + port_type m_port; +}; + + +// +// Convenience blocking and non-blocking socket classes +// + +template <unsigned int BUSWIDTH = 32, + typename TYPES = tlm_base_protocol_types, + int N = 1 +#if !(defined SYSTEMC_VERSION & SYSTEMC_VERSION <= 20050714) + ,sc_core::sc_port_policy POL = sc_core::SC_ONE_OR_MORE_BOUND +#endif + > +class tlm_target_socket : + public tlm_base_target_socket <BUSWIDTH, + tlm_fw_transport_if<TYPES>, + tlm_bw_transport_if<TYPES>, + N +#if !(defined SYSTEMC_VERSION & SYSTEMC_VERSION <= 20050714) + ,POL +#endif + > +{ +public: + tlm_target_socket() : + tlm_base_target_socket<BUSWIDTH, + tlm_fw_transport_if<TYPES>, + tlm_bw_transport_if<TYPES>, + N +#if !(defined SYSTEMC_VERSION & SYSTEMC_VERSION <= 20050714) + ,POL +#endif + >() + { + } + + explicit tlm_target_socket(const char* name) : + tlm_base_target_socket<BUSWIDTH, + tlm_fw_transport_if<TYPES>, + tlm_bw_transport_if<TYPES>, + N +#if !(defined SYSTEMC_VERSION & SYSTEMC_VERSION <= 20050714) + ,POL +#endif + >(name) + { + } + + virtual const char* kind() const + { + return "tlm_target_socket"; + } +}; + +} // namespace tlm + +#endif |