| /***************************************************************************** |
| |
| 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 : These interfaces are channel specific interfaces |
| // useful in the context of tlm_fifo. |
| // |
| |
| #ifndef __TLM_FIFO_IFS_H__ |
| #define __TLM_FIFO_IFS_H__ |
| |
| #include "tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_core_ifs.h" |
| |
| namespace tlm { |
| |
| // |
| // Fifo specific interfaces |
| // |
| |
| // Fifo Debug Interface |
| |
| template< typename T > |
| class tlm_fifo_debug_if : public virtual sc_core::sc_interface |
| { |
| public: |
| virtual int used() const = 0; |
| virtual int size() const = 0; |
| virtual void debug() const = 0; |
| |
| // |
| // non blocking peek and poke - no notification |
| // |
| // n is index of data : |
| // 0 <= n < size(), where 0 is most recently written, and size() - 1 |
| // is oldest ie the one about to be read. |
| // |
| |
| virtual bool nb_peek( T & , int n ) const = 0; |
| virtual bool nb_poke( const T & , int n = 0 ) = 0; |
| |
| }; |
| |
| // fifo interfaces = extended + debug |
| |
| template < typename T > |
| class tlm_fifo_put_if : |
| public virtual tlm_put_if<T> , |
| public virtual tlm_fifo_debug_if<T> {}; |
| |
| template < typename T > |
| class tlm_fifo_get_if : |
| public virtual tlm_get_peek_if<T> , |
| public virtual tlm_fifo_debug_if<T> {}; |
| |
| class tlm_fifo_config_size_if : public virtual sc_core::sc_interface |
| { |
| public: |
| virtual void nb_expand( unsigned int n = 1 ) = 0; |
| virtual void nb_unbound( unsigned int n = 16 ) = 0; |
| |
| virtual bool nb_reduce( unsigned int n = 1 ) = 0; |
| virtual bool nb_bound( unsigned int n ) = 0; |
| |
| }; |
| |
| } // namespace tlm |
| |
| #endif |
| |