| /***************************************************************************** |
| |
| 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. |
| |
| *****************************************************************************/ |
| |
| // |
| // Note to the LRM writer : This is the core of the TLM standard |
| // |
| |
| |
| #ifndef __TLM_CORE_IFS_H__ |
| #define __TLM_CORE_IFS_H__ |
| |
| //#include <systemc> |
| |
| #include "tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_tag.h" |
| |
| namespace tlm { |
| |
| // bidirectional blocking interfaces |
| |
| template < typename REQ , typename RSP > |
| class tlm_transport_if : public virtual sc_core::sc_interface |
| { |
| public: |
| virtual RSP transport( const REQ & ) = 0; |
| |
| virtual void transport( const REQ &req , RSP &rsp ) { |
| rsp = transport( req ); |
| } |
| |
| }; |
| |
| |
| // uni-directional blocking interfaces |
| |
| template < typename T > |
| class tlm_blocking_get_if : public virtual sc_core::sc_interface |
| { |
| public: |
| virtual T get( tlm_tag<T> *t = 0 ) = 0; |
| virtual void get( T &t ) { t = get(); } |
| |
| }; |
| |
| template < typename T > |
| class tlm_blocking_put_if : public virtual sc_core::sc_interface |
| { |
| public: |
| virtual void put( const T &t ) = 0; |
| }; |
| |
| // uni-directional non blocking interfaces |
| |
| template < typename T > |
| class tlm_nonblocking_get_if : public virtual sc_core::sc_interface |
| { |
| public: |
| virtual bool nb_get( T &t ) = 0; |
| virtual bool nb_can_get( tlm_tag<T> *t = 0 ) const = 0; |
| virtual const sc_core::sc_event &ok_to_get( tlm_tag<T> *t = 0 ) const = 0; |
| }; |
| |
| template < typename T > |
| class tlm_nonblocking_put_if : public virtual sc_core::sc_interface |
| { |
| public: |
| virtual bool nb_put( const T &t ) = 0; |
| virtual bool nb_can_put( tlm_tag<T> *t = 0 ) const = 0; |
| virtual const sc_core::sc_event &ok_to_put( tlm_tag<T> *t = 0 ) const = 0; |
| }; |
| |
| |
| // combined uni-directional blocking and non blocking |
| |
| template < typename T > |
| class tlm_get_if : |
| public virtual tlm_blocking_get_if< T > , |
| public virtual tlm_nonblocking_get_if< T > {}; |
| |
| template < typename T > |
| class tlm_put_if : |
| public virtual tlm_blocking_put_if< T > , |
| public virtual tlm_nonblocking_put_if< T > {}; |
| |
| |
| // peek interfaces |
| |
| template < typename T > |
| class tlm_blocking_peek_if : public virtual sc_core::sc_interface |
| { |
| public: |
| virtual T peek( tlm_tag<T> *t = 0 ) const = 0; |
| virtual void peek( T &t ) const { t = peek(); } |
| |
| }; |
| |
| template < typename T > |
| class tlm_nonblocking_peek_if : public virtual sc_core::sc_interface |
| { |
| public: |
| virtual bool nb_peek( T &t ) const = 0; |
| virtual bool nb_can_peek( tlm_tag<T> *t = 0 ) const = 0; |
| virtual const sc_core::sc_event &ok_to_peek( tlm_tag<T> *t = 0 ) const = 0; |
| }; |
| |
| template < typename T > |
| class tlm_peek_if : |
| public virtual tlm_blocking_peek_if< T > , |
| public virtual tlm_nonblocking_peek_if< T > {}; |
| |
| // get_peek interfaces |
| |
| template < typename T > |
| class tlm_blocking_get_peek_if : |
| public virtual tlm_blocking_get_if<T> , |
| public virtual tlm_blocking_peek_if<T> {}; |
| |
| template < typename T > |
| class tlm_nonblocking_get_peek_if : |
| public virtual tlm_nonblocking_get_if<T> , |
| public virtual tlm_nonblocking_peek_if<T> {}; |
| |
| |
| template < typename T > |
| class tlm_get_peek_if : |
| public virtual tlm_get_if<T> , |
| public virtual tlm_peek_if<T> , |
| public virtual tlm_blocking_get_peek_if<T> , |
| public virtual tlm_nonblocking_get_peek_if<T> |
| {}; |
| |
| } // namespace tlm |
| |
| #endif |