1 | #ifdef VHDL |
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2 | /* |
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3 | * $Id: Queue_vhdl_declaration.cpp 103 2009-01-16 16:55:32Z moulu $ |
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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 | |
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27 | vhdl->set_signal ("signal_READ ", 1); |
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28 | vhdl->set_signal ("signal_WRITE ", 1); |
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29 | vhdl->set_signal ("signal_EMPTY ", 1); |
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30 | vhdl->set_signal ("signal_FULL ", 1); |
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31 | |
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32 | if (_param->_size_queue > 1) |
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33 | { |
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34 | vhdl->set_signal ("reg_PTR_READ ", log2(_param->_size_queue)); |
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35 | vhdl->set_signal ("signal_NEXT_PTR_READ ", log2(_param->_size_queue)); |
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36 | vhdl->set_signal ("signal_PTR_READ ", log2(_param->_size_queue)); |
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37 | vhdl->set_signal ("signal_PTR_WRITE ", log2(_param->_size_queue)); |
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38 | } |
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39 | |
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40 | if (_param->_nb_port_slot>0) |
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41 | for (uint32_t i=0; i<_param->_nb_port_slot; ++i) |
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42 | vhdl->set_signal ("signal_SLOT_"+toString(i)+"_VAL", 1); |
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43 | |
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44 | if (_param->_nb_port_slot>1) |
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45 | { |
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46 | vhdl->set_signal ("reg_NB_ELT ", log2(_param->_size_queue+1)); |
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47 | vhdl->set_signal ("signal_NEXT_NB_ELT ", log2(_param->_size_queue+1)); |
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48 | for (uint32_t i=0; i<_param->_nb_port_slot; ++i) |
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49 | vhdl->set_signal ("signal_SLOT_"+toString(i), log2(_param->_size_queue)); |
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50 | } |
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51 | else |
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52 | { |
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53 | if (_param->_size_queue > 1) |
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54 | { |
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55 | vhdl->set_signal ("reg_PTR_WRITE ", log2(_param->_size_queue)); |
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56 | vhdl->set_signal ("signal_NEXT_PTR_WRITE", log2(_param->_size_queue)); |
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57 | } |
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58 | vhdl->set_signal ("reg_FULL ", 1); |
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59 | vhdl->set_signal ("reg_EMPTY ", 1); |
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60 | vhdl->set_signal ("signal_NEXT_FULL ", 1); |
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61 | vhdl->set_signal ("signal_NEXT_EMPTY ", 1); |
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62 | vhdl->set_signal ("signal_PTR_EQUAL ", 1); |
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63 | } |
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64 | |
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65 | if (_param->_size_queue > 1) |
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66 | { |
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67 | vhdl->set_constant("const_PTR_INIT ", log2(_param->_size_queue), 0); |
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68 | if (is_log2(_param->_size_queue) == false) |
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69 | vhdl->set_constant("const_PTR_MAX ", log2(_param->_size_queue), _param->_size_queue-1); |
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70 | } |
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71 | log_printf(FUNC,Queue,FUNCTION,"End"); |
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72 | }; |
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73 | |
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74 | }; // end namespace queue |
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75 | }; // end namespace generic |
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76 | }; // end namespace behavioural |
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77 | }; // end namespace morpheo |
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78 | #endif |
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