[67] | 1 | #ifdef VHDL |
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| 2 | /* |
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| 3 | * $Id: Queue_vhdl_declaration.cpp 81 2008-04-15 18:40:01Z rosiere $ |
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| 4 | * |
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| 5 | * [ Description ] |
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| 6 | * |
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| 7 | */ |
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| 8 | |
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| 9 | #include "Behavioural/Generic/Queue/include/Queue.h" |
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| 10 | |
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| 11 | namespace morpheo { |
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| 12 | namespace behavioural { |
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| 13 | namespace generic { |
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| 14 | namespace queue { |
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| 15 | |
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| 16 | |
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| 17 | #undef FUNCTION |
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| 18 | #define FUNCTION "Queue::vhdl_declaration" |
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| 19 | void Queue::vhdl_declaration (Vhdl * & vhdl) |
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| 20 | { |
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| 21 | log_printf(FUNC,Queue,FUNCTION,"Begin"); |
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| 22 | |
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| 23 | vhdl->set_type ("Tqueue","array ("+toString(_param->_size_queue-1)+" downto 0) of "+std_logic(_param->_size_data)); |
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| 24 | |
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| 25 | vhdl->set_signal ("reg_DATA ", "Tqueue"); |
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| 26 | vhdl->set_signal ("reg_FULL ", 1); |
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| 27 | vhdl->set_signal ("reg_EMPTY ", 1); |
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| 28 | if (_param->_size_queue > 1) |
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| 29 | { |
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| 30 | vhdl->set_signal ("reg_PTR_READ ", log2(_param->_size_queue)); |
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| 31 | vhdl->set_signal ("reg_PTR_WRITE ", log2(_param->_size_queue)); |
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| 32 | } |
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| 33 | vhdl->set_signal ("signal_READ ", 1); |
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| 34 | vhdl->set_signal ("signal_WRITE ", 1); |
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| 35 | vhdl->set_signal ("signal_PTR_EQUAL ", 1); |
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| 36 | |
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| 37 | if (_param->_size_queue > 1) |
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| 38 | { |
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| 39 | vhdl->set_signal ("signal_NEXT_PTR_READ ", log2(_param->_size_queue)); |
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| 40 | vhdl->set_signal ("signal_NEXT_PTR_WRITE", log2(_param->_size_queue)); |
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| 41 | } |
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| 42 | |
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| 43 | vhdl->set_signal ("signal_NEXT_FULL ", 1); |
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| 44 | vhdl->set_signal ("signal_NEXT_EMPTY ", 1); |
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| 45 | |
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| 46 | if (_param->_size_queue > 1) |
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| 47 | { |
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| 48 | vhdl->set_constant("const_PTR_INIT ", log2(_param->_size_queue), 0); |
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| 49 | if (is_log2(_param->_size_queue) == false) |
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| 50 | vhdl->set_constant("const_PTR_MAX ", log2(_param->_size_queue), _param->_size_queue-1); |
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| 51 | } |
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| 52 | log_printf(FUNC,Queue,FUNCTION,"End"); |
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| 53 | }; |
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| 54 | |
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| 55 | }; // end namespace queue |
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| 56 | }; // end namespace generic |
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| 57 | }; // end namespace behavioural |
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| 58 | }; // end namespace morpheo |
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| 59 | #endif |
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