1 | #ifdef VHDL |
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2 | /* |
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3 | * $Id: Comparator_vhdl_xilinx_body.cpp 116 2009-04-30 13:51:41Z 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/Comparator/include/Comparator.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 comparator { |
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15 | |
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16 | |
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17 | #undef FUNCTION |
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18 | #define FUNCTION "Comparator::vhdl_xilinx_body" |
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19 | void Comparator::vhdl_xilinx_body (Vhdl * & vhdl) |
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20 | { |
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21 | log_begin(Comparator,FUNCTION); |
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22 | vhdl->set_body (0,"ins_c_compare_v9_0 : c_compare_v9_0"); |
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23 | vhdl->set_body (1,"generic map ("); |
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24 | vhdl->set_body (2,"c_width => "+toString(_param->_size_data)+","); |
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25 | vhdl->set_body (2,"c_data_type => "+toString(!_param->_is_signed)+", -- 0 = signed, 1 = unsigned"); |
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26 | std::string print_res_pin = ""; |
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27 | switch (_param->_type) |
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28 | { |
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29 | case COMPARATOR_EQUAL : |
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30 | vhdl->set_body (2,"c_has_a_eq_b => 1)"); |
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31 | print_res_pin = "a_eq_b"; |
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32 | break; |
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33 | case COMPARATOR_NOT_EQUAL : |
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34 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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35 | vhdl->set_body (2,"c_has_a_ne_b => 1)"); |
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36 | print_res_pin = "a_ne_b"; |
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37 | break; |
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38 | case COMPARATOR_GREATER : |
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39 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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40 | vhdl->set_body (2,"c_has_a_gt_b => 1)"); |
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41 | print_res_pin = "a_gt_b"; |
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42 | break; |
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43 | case COMPARATOR_GREATER_OR_EQUAL : |
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44 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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45 | vhdl->set_body (2,"c_has_a_ge_b => 1)"); |
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46 | print_res_pin = "a_ge_b"; |
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47 | break; |
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48 | case COMPARATOR_LESS : |
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49 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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50 | vhdl->set_body (2,"c_has_a_lt_b => 1)"); |
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51 | print_res_pin = "a_lt_b"; |
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52 | break; |
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53 | case COMPARATOR_LESS_OR_EQUAL : |
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54 | vhdl->set_body (2,"c_has_a_eq_b => 0,"); |
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55 | vhdl->set_body (2,"c_has_a_le_b => 1)"); |
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56 | print_res_pin = "a_le_b"; |
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57 | break; |
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58 | } |
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59 | |
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60 | vhdl->set_body (1,"port map ("); |
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61 | vhdl->set_body (2,"a => in_COMPARE_DATA_0,"); |
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62 | vhdl->set_body (2,"b => in_COMPARE_DATA_1,"); |
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63 | vhdl->set_body (2,print_res_pin+" => out_COMPARE_TEST);"); |
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64 | |
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65 | log_end(Comparator,FUNCTION); |
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66 | }; |
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67 | |
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68 | }; // end namespace comparator |
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69 | }; // end namespace generic |
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70 | |
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71 | }; // end namespace behavioural |
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72 | }; // end namespace morpheo |
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73 | #endif |
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