[78] | 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 81 2008-04-15 18:40:01Z 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 | }; // end namespace morpheo |
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| 69 | #endif |
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