1 | #ifndef morpheo_behavioural_core_multi_front_end_front_end_ifetch_unit_ifetch_queue_Types_h |
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2 | #define morpheo_behavioural_core_multi_front_end_front_end_ifetch_unit_ifetch_queue_Types_h |
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3 | |
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4 | /* |
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5 | * $Id: Types.h 101 2009-01-15 17:19:08Z rosiere $ |
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6 | * |
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7 | * [ Description ] |
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8 | * |
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9 | */ |
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10 | |
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11 | #include "Behavioural/include/Types.h" |
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12 | |
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13 | namespace morpheo { |
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14 | namespace behavioural { |
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15 | namespace core { |
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16 | namespace multi_front_end { |
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17 | namespace front_end { |
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18 | namespace ifetch_unit { |
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19 | namespace ifetch_queue { |
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20 | |
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21 | typedef enum |
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22 | { |
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23 | IFETCH_QUEUE_STATE_EMPTY , // slot is empty |
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24 | // IFETCH_QUEUE_STATE_WAIT_REQ , // slot is allocated - wait request to cache |
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25 | IFETCH_QUEUE_STATE_WAIT_RSP , // slot have send a request - wait respons from cache |
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26 | IFETCH_QUEUE_STATE_HAVE_RSP , // slot have a bloc of instruction - wait accept by decod |
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27 | IFETCH_QUEUE_STATE_ERROR_WAIT_RSP // A event occure -> flush the queue but, ack rsp |
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28 | } ifetch_queue_state_t; |
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29 | |
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30 | class ifetch_queue_entry_t |
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31 | { |
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32 | public : ifetch_queue_state_t _state ; |
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33 | public : Tinstruction_t * _instruction ; |
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34 | public : Tcontrol_t * _instruction_enable ; |
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35 | public : Tgeneral_address_t _address ; |
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36 | public : Tinst_ifetch_ptr_t _inst_ifetch_ptr ; |
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37 | public : Tbranch_state_t _branch_state ; |
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38 | public : Tprediction_ptr_t _branch_update_prediction_id; |
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39 | public : Texception_t _exception ; |
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40 | |
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41 | public : ifetch_queue_entry_t (uint32_t nb_instruction) |
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42 | { |
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43 | _instruction = new Tinstruction_t [nb_instruction]; |
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44 | _instruction_enable = new Tcontrol_t [nb_instruction]; |
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45 | } |
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46 | |
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47 | public : ~ifetch_queue_entry_t (void) |
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48 | { |
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49 | delete _instruction ; |
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50 | delete _instruction_enable; |
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51 | } |
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52 | |
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53 | // public : friend std::ostream& operator<< (std::ostream& output, |
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54 | // ifetch_queue_entry_t & x) |
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55 | // { |
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56 | // output << ; |
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57 | // return output; |
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58 | // } |
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59 | |
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60 | }; |
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61 | |
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62 | }; // end namespace ifetch_queue |
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63 | }; // end namespace ifetch_unit |
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64 | }; // end namespace front_end |
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65 | }; // end namespace multi_front_end |
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66 | }; // end namespace core |
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67 | }; // end namespace behavioural |
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68 | |
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69 | template<> inline std::string toString<morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue::ifetch_queue_state_t>(const morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue::ifetch_queue_state_t& x) |
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70 | { |
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71 | switch (x) |
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72 | { |
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73 | case morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue::IFETCH_QUEUE_STATE_EMPTY : return "empty" ; break; |
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74 | // case morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue::IFETCH_QUEUE_STATE_WAIT_REQ : return "wait_req" ; break; |
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75 | case morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue::IFETCH_QUEUE_STATE_WAIT_RSP : return "wait_rsp" ; break; |
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76 | case morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue::IFETCH_QUEUE_STATE_HAVE_RSP : return "have_rsp" ; break; |
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77 | case morpheo::behavioural::core::multi_front_end::front_end::ifetch_unit::ifetch_queue::IFETCH_QUEUE_STATE_ERROR_WAIT_RSP : return "error_wait_rsp"; break; |
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78 | default : return "" ; break; |
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79 | } |
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80 | }; |
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81 | |
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82 | |
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83 | }; // end namespace morpheo |
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84 | #endif |
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