1 | #ifdef SYSTEMC |
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2 | /* |
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3 | * $Id: Commit_unit_genMealy_commit.cpp 88 2008-12-10 18:31:39Z 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/Commit_unit/include/Commit_unit.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 commit_unit { |
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17 | |
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18 | |
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19 | #undef FUNCTION |
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20 | #define FUNCTION "Commit_unit::genMealy_commit" |
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21 | void Commit_unit::genMealy_commit (void) |
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22 | { |
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23 | log_begin(Commit_unit,FUNCTION); |
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24 | log_function(Commit_unit,FUNCTION,_name.c_str()); |
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25 | |
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26 | #ifdef STATISTICS |
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27 | internal_BANK_COMMIT_CONFLIT_ACCESS = 0; |
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28 | #endif |
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29 | |
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30 | uint32_t bank_nb_access [_param->_nb_bank]; |
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31 | Tcontrol_t commit_ack [_param->_nb_inst_commit]; |
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32 | // Initialisation |
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33 | for (uint32_t i=0; i<_param->_nb_bank; i++) |
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34 | { |
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35 | bank_nb_access [i] = 0; |
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36 | for (uint32_t j=0; j<_param->_nb_bank_access_commit; j++) |
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37 | internal_BANK_COMMIT_VAL [i][j] = false; |
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38 | } |
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39 | |
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40 | // commit interface |
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41 | for (uint32_t i=0; i<_param->_nb_inst_commit; i++) |
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42 | { |
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43 | commit_ack [i] = false; |
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44 | |
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45 | // Test if have instruction |
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46 | if (PORT_READ(in_COMMIT_VAL [i])) |
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47 | { |
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48 | Tpacket_t packet = (_param->_have_port_rob_ptr )?PORT_READ(in_COMMIT_PACKET_ID [i]):0; |
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49 | uint32_t num_bank = packet >> _param->_shift_num_bank; |
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50 | uint32_t num_bank_access = bank_nb_access [num_bank]; |
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51 | |
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52 | // test if bank is not busy (previous access) |
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53 | if (num_bank_access < _param->_nb_bank_access_commit) |
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54 | { |
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55 | // find |
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56 | bank_nb_access [num_bank] ++; |
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57 | commit_ack [i] = true; |
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58 | |
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59 | internal_BANK_COMMIT_VAL [num_bank][num_bank_access] = true; |
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60 | internal_BANK_COMMIT_NUM_INST [num_bank][num_bank_access] = i; |
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61 | |
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62 | Tpacket_t packet_id = packet & _param->_mask_size_bank; |
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63 | |
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64 | // find the good entry !!! |
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65 | entry_t* entry = NULL; |
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66 | for (std::list<entry_t*>::iterator it=_rob[num_bank].begin(); |
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67 | it!=_rob[num_bank].end(); |
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68 | it++) |
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69 | if ((*it)->ptr == packet_id) |
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70 | { |
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71 | entry = (*it); |
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72 | break; |
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73 | } |
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74 | |
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75 | #ifdef DEBUG_TEST |
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76 | if (entry == NULL) |
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77 | throw ERRORMORPHEO(FUNCTION,_("Commit : Packet_id miss match in the Re Order Buffer.\n")); |
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78 | #endif |
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79 | |
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80 | internal_BANK_COMMIT_ENTRY [num_bank][num_bank_access] = entry; |
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81 | |
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82 | // PORT_WRITE(out_COMMIT_NUM_REG_RD [i],(entry->rename_unit_id << _param->_size_general_register)+entry->num_reg_rd_phy_new); |
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83 | PORT_WRITE(out_COMMIT_NUM_REG_RD [i],entry->num_reg_rd_phy_new); |
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84 | } |
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85 | #ifdef STATISTICS |
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86 | else |
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87 | { |
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88 | internal_BANK_COMMIT_CONFLIT_ACCESS ++; |
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89 | } |
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90 | #endif |
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91 | } |
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92 | } |
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93 | |
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94 | for (uint32_t i=0; i<_param->_nb_inst_commit; i++) |
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95 | PORT_WRITE(out_COMMIT_ACK [i],commit_ack [i]); |
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96 | |
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97 | log_end(Commit_unit,FUNCTION); |
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98 | }; |
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99 | |
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100 | }; // end namespace commit_unit |
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101 | }; // end namespace ooo_engine |
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102 | }; // end namespace multi_ooo_engine |
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103 | }; // end namespace core |
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104 | }; // end namespace behavioural |
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105 | }; // end namespace morpheo |
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106 | #endif |
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