1 | #ifdef SYSTEMC |
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2 | /* |
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3 | * $Id: Rename_select_transition.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/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Rename_select/include/Rename_select.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 core { |
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14 | namespace multi_ooo_engine { |
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15 | namespace ooo_engine { |
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16 | namespace rename_unit { |
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17 | namespace rename_select { |
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18 | |
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19 | |
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20 | #undef FUNCTION |
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21 | #define FUNCTION "Rename_select::transition" |
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22 | void Rename_select::transition (void) |
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23 | { |
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24 | log_printf(FUNC,Rename_select,FUNCTION,"Begin"); |
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25 | |
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26 | if (PORT_READ(in_NRESET) == 0) |
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27 | { |
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28 | select.clear(); |
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29 | reg_FRONT_END_PRIORITY = 0; |
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30 | } |
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31 | else |
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32 | { |
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33 | switch (_param->_priority) |
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34 | { |
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35 | case PRIORITY_STATIC : |
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36 | { |
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37 | reg_FRONT_END_PRIORITY = (reg_FRONT_END_PRIORITY+_param->_nb_front_end_select)%_param->_nb_front_end; |
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38 | break; |
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39 | } |
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40 | case PRIORITY_ROUND_ROBIN : |
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41 | { |
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42 | reg_FRONT_END_PRIORITY = (reg_FRONT_END_PRIORITY+1)%_param->_nb_front_end; |
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43 | break; |
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44 | } |
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45 | default: |
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46 | { |
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47 | break; |
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48 | } |
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49 | } |
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50 | |
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51 | // flush list |
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52 | select.clear(); |
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53 | |
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54 | // Compute next scan order !!! |
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55 | switch (_param->_load_balancing) |
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56 | { |
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57 | case LOAD_BALANCING_BALANCE : |
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58 | { |
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59 | for (uint32_t j=0; j<_param->_max_nb_inst_decod; j++) |
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60 | for (uint32_t i=0; i<_param->_nb_front_end_select; i++) |
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61 | { |
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62 | uint32_t x=(reg_FRONT_END_PRIORITY+i)%_param->_nb_front_end; |
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63 | |
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64 | // Test valid inst_decod |
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65 | if (j < _param->_nb_inst_decod[x]) |
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66 | select.push_back(select_t(x,j)); |
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67 | } |
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68 | |
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69 | break; |
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70 | } |
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71 | case LOAD_BALANCING_MAXIMUM_FOR_PRIORITY : |
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72 | { |
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73 | |
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74 | for (uint32_t i=0; i<_param->_nb_front_end_select; i++) |
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75 | { |
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76 | uint32_t x=(reg_FRONT_END_PRIORITY+i)%_param->_nb_front_end; |
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77 | |
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78 | for (uint32_t j=0; j<_param->_nb_inst_decod[x]; j++) |
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79 | select.push_back(select_t(x,j)); |
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80 | } |
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81 | |
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82 | break; |
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83 | } |
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84 | default : |
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85 | { |
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86 | break; |
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87 | } |
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88 | } |
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89 | |
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90 | // #if (DEBUG >= DEBUG_TRACE) |
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91 | // log_printf(TRACE,Rename_select,FUNCTION,"Select priority (front_end, inst_decod)"); |
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92 | // for (std::list<select_t>::iterator it=select.begin(); |
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93 | // it != select.end(); |
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94 | // it++) |
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95 | // log_printf(TRACE,Rename_select,FUNCTION," %d %d",it->_front_end, it->_inst_decod); |
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96 | // #endif |
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97 | } |
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98 | |
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99 | #if defined(STATISTICS) or defined(VHDL_TESTBENCH) |
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100 | end_cycle (); |
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101 | #endif |
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102 | |
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103 | log_printf(FUNC,Rename_select,FUNCTION,"End"); |
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104 | }; |
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105 | |
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106 | }; // end namespace rename_select |
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107 | }; // end namespace rename_unit |
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108 | }; // end namespace ooo_engine |
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109 | }; // end namespace multi_ooo_engine |
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110 | }; // end namespace core |
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111 | |
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112 | }; // end namespace behavioural |
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113 | }; // end namespace morpheo |
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114 | #endif |
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