projects / OpenSPARC-T2-DV / blame
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|---|---|---|
| 86530b38 AT |
1 | |
| 2 | /***************************************************************************** | |
| 3 | ||
| 4 | The following code is derived, directly or indirectly, from the SystemC | |
| 5 | source code Copyright (c) 1996-2004 by all Contributors. | |
| 6 | All Rights reserved. | |
| 7 | ||
| 8 | The contents of this file are subject to the restrictions and limitations | |
| 9 | set forth in the SystemC Open Source License Version 2.4 (the "License"); | |
| 10 | You may not use this file except in compliance with such restrictions and | |
| 11 | limitations. You may obtain instructions on how to receive a copy of the | |
| 12 | License at http://www.systemc.org/. Software distributed by Contributors | |
| 13 | under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF | |
| 14 | ANY KIND, either express or implied. See the License for the specific | |
| 15 | language governing rights and limitations under the License. | |
| 16 | ||
| 17 | *****************************************************************************/ | |
| 18 | ||
| 19 | // | |
| 20 | // Note to the LRM writer : These interfaces are channel specific interfaces | |
| 21 | // useful in the context of tlm_fifo. | |
| 22 | // | |
| 23 | ||
| 24 | #ifndef TLM_FIFO_IFS_HEADER | |
| 25 | #define TLM_FIFO_IFS_HEADER | |
| 26 | ||
| 27 | // | |
| 28 | // Fifo specific interfaces | |
| 29 | // | |
| 30 | ||
| 31 | #include "tlm_core/tlm_interfaces/tlm_core_ifs.h" | |
| 32 | ||
| 33 | // Fifo Debug Interface | |
| 34 | ||
| 35 | template< typename T > | |
| 36 | class tlm_fifo_debug_if : public virtual sc_interface | |
| 37 | { | |
| 38 | public: | |
| 39 | virtual int used() const = 0; | |
| 40 | virtual int size() const = 0; | |
| 41 | virtual void debug() const = 0; | |
| 42 | ||
| 43 | // | |
| 44 | // non blocking peek and poke - no notification | |
| 45 | // | |
| 46 | // n is index of data : | |
| 47 | // 0 <= n < size(), where 0 is most recently written, and size() - 1 | |
| 48 | // is oldest ie the one about to be read. | |
| 49 | // | |
| 50 | ||
| 51 | virtual bool nb_peek( T & , int n ) const = 0; | |
| 52 | virtual bool nb_poke( const T & , int n = 0 ) = 0; | |
| 53 | ||
| 54 | }; | |
| 55 | ||
| 56 | // fifo interfaces = extended + debug | |
| 57 | ||
| 58 | template < typename T > | |
| 59 | class tlm_fifo_put_if : | |
| 60 | public virtual tlm_put_if<T> , | |
| 61 | public virtual tlm_fifo_debug_if<T> {}; | |
| 62 | ||
| 63 | template < typename T > | |
| 64 | class tlm_fifo_get_if : | |
| 65 | public virtual tlm_get_peek_if<T> , | |
| 66 | public virtual tlm_fifo_debug_if<T> {}; | |
| 67 | ||
| 68 | class tlm_fifo_config_size_if : public virtual sc_interface | |
| 69 | { | |
| 70 | public: | |
| 71 | virtual void nb_expand( unsigned int n = 1 ) = 0; | |
| 72 | virtual void nb_unbound( unsigned int n = 16 ) = 0; | |
| 73 | ||
| 74 | virtual bool nb_reduce( unsigned int n = 1 ) = 0; | |
| 75 | virtual bool nb_bound( unsigned int n ) = 0; | |
| 76 | ||
| 77 | }; | |
| 78 | #endif | |
| 79 |