diff options
Diffstat (limited to 'ext/systemc/src/tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_fifo_ifs.h')
-rw-r--r-- | ext/systemc/src/tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_fifo_ifs.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/ext/systemc/src/tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_fifo_ifs.h b/ext/systemc/src/tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_fifo_ifs.h new file mode 100644 index 000000000..d9b2b985b --- /dev/null +++ b/ext/systemc/src/tlm_core/tlm_1/tlm_req_rsp/tlm_1_interfaces/tlm_fifo_ifs.h @@ -0,0 +1,85 @@ +/***************************************************************************** + + 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 + |