[59] | 1 | #ifndef morpheo_behavioural_core_multi_execute_loop_execute_loop_multi_execute_unit_execute_unit_load_store_unit_Types_h |
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| 2 | #define morpheo_behavioural_core_multi_execute_loop_execute_loop_multi_execute_unit_execute_unit_load_store_unit_Types_h |
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| 3 | |
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| 4 | /* |
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| 5 | * $Id: Types.h 104 2009-01-21 21:53:13Z 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 | #include "Common/include/ToString.h" |
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| 13 | #include "Common/include/FromString.h" |
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| 14 | #include "Common/include/ErrorMorpheo.h" |
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[71] | 15 | #include <ostream> |
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[59] | 16 | |
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| 17 | namespace morpheo { |
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| 18 | namespace behavioural { |
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| 19 | namespace core { |
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| 20 | namespace multi_execute_loop { |
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| 21 | namespace execute_loop { |
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| 22 | namespace multi_execute_unit { |
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| 23 | namespace execute_unit { |
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| 24 | namespace load_store_unit { |
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| 25 | |
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[71] | 26 | #define DCACHE_REQ_IS_LOAD(x) (x<<1) |
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| 27 | #define DCACHE_REQ_IS_STORE(x) ((x<<1)|1) |
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| 28 | |
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| 29 | #define DCACHE_RSP_IS_LOAD(x) ((x&1)==0) |
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| 30 | #define DCACHE_RSP_IS_STORE(x) ((x&1)==1) |
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| 31 | |
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| 32 | |
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[59] | 33 | typedef enum |
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| 34 | { |
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[78] | 35 | NO_SPECULATIVE_LOAD //each load wait all previous store before the data cache access |
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| 36 | ,SPECULATIVE_LOAD_ACCESS //each load wait all previous store before the commiting |
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| 37 | ,SPECULATIVE_LOAD_COMMIT //each load commit the result before the end of dependence's check |
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| 38 | //,SPECULATIVE_LOAD_BYPASS //each load bypass the result before the end of dependence's check |
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[59] | 39 | } Tspeculative_load_t; |
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| 40 | |
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| 41 | typedef enum |
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| 42 | { |
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| 43 | SELECT_STORE_QUEUE, |
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| 44 | SELECT_LOAD_QUEUE , |
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| 45 | SELECT_LOAD_QUEUE_SPECULATIVE |
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| 46 | } Tselect_queue_t; |
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| 47 | |
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| 48 | // ---------------------------------------------------------- |
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| 49 | // Store Queue |
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| 50 | // ---------------------------------------------------------- |
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| 51 | |
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| 52 | typedef enum |
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| 53 | { |
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[71] | 54 | STORE_QUEUE_EMPTY //entry is empty |
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[59] | 55 | ,STORE_QUEUE_NO_VALID_NO_SPECULATIVE //entry is the top of rob, and operation isn't arrive |
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| 56 | ,STORE_QUEUE_VALID_SPECULATIVE //entry is arrive and wait the top of rob |
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| 57 | ,STORE_QUEUE_VALID_NO_SPECULATIVE //entry is ok, can be access at a dcache port. |
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| 58 | ,STORE_QUEUE_COMMIT //entry have access at dcache |
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| 59 | } Tstore_queue_state_t; |
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| 60 | |
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| 61 | class Tstore_queue_entry_t |
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| 62 | { |
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| 63 | public : Tstore_queue_state_t _state ; |
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| 64 | public : Tcontext_t _context_id ; |
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[71] | 65 | public : Tcontext_t _front_end_id ; |
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| 66 | public : Tcontext_t _ooo_engine_id ; |
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[59] | 67 | public : Tpacket_t _packet_id ; |
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[71] | 68 | public : Toperation_t _operation ; |
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[59] | 69 | public : Tlsq_ptr_t _load_queue_ptr_write; |
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[71] | 70 | public : Tdcache_address_t _address ; |
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[59] | 71 | public : Tgeneral_data_t _wdata ; |
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| 72 | //public : Tcontrol_t _write_rd ; |
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| 73 | //public : Tgeneral_address_t _num_reg_rd ; |
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| 74 | public : Texception_t _exception ; |
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[62] | 75 | |
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[71] | 76 | friend std::ostream & operator << (std::ostream& os, const Tstore_queue_entry_t & x) |
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[62] | 77 | { |
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[71] | 78 | return os << " * state : " << x._state << std::endl |
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| 79 | << " * packet : " << toString(x._packet_id) << std::endl |
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| 80 | << " * context, front_end, ooo_engine_id : " << toString(x._context_id) << " - " << toString(x._front_end_id) << " - " << toString(x._ooo_engine_id) << std::endl |
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| 81 | << " * operation : " << toString(x._operation) << std::endl |
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| 82 | << " * load_ptr : " << toString(x._load_queue_ptr_write) << std::endl |
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| 83 | << " * exception : " << toString(x._exception) << std::endl |
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| 84 | << std::hex |
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| 85 | << " * address : " << toString(x._address)<< std::endl |
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| 86 | << " * wdata : " << toString(x._wdata) << std::endl |
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| 87 | << std::dec; |
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[62] | 88 | } |
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[59] | 89 | }; |
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[62] | 90 | |
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| 91 | |
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[59] | 92 | |
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| 93 | // ---------------------------------------------------------- |
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| 94 | // Speculative_Access Queue |
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| 95 | // ---------------------------------------------------------- |
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| 96 | |
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| 97 | typedef enum |
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| 98 | { |
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| 99 | SPECULATIVE_ACCESS_QUEUE_EMPTY //entry is empty |
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| 100 | ,SPECULATIVE_ACCESS_QUEUE_WAIT_CACHE //entry is valid and can access at the dcache |
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| 101 | ,SPECULATIVE_ACCESS_QUEUE_WAIT_LOAD_QUEUE //entry wait an empty slot in load queue |
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| 102 | } Tspeculative_access_queue_state_t; |
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| 103 | |
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| 104 | class Tspeculative_access_queue_entry_t |
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| 105 | { |
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| 106 | public : Tspeculative_access_queue_state_t _state ; |
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| 107 | public : Tcontext_t _context_id ; |
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[71] | 108 | public : Tcontext_t _front_end_id ; |
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| 109 | public : Tcontext_t _ooo_engine_id ; |
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[59] | 110 | public : Tpacket_t _packet_id ; |
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[71] | 111 | public : Toperation_t _operation ; |
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[59] | 112 | public : Tlsq_ptr_t _load_queue_ptr_write ; |
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| 113 | public : Tlsq_ptr_t _store_queue_ptr_write; |
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| 114 | public : Tdcache_address_t _address ; |
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| 115 | public : Tcontrol_t _write_rd ; |
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| 116 | public : Tgeneral_address_t _num_reg_rd ; |
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| 117 | public : Texception_t _exception ; |
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[71] | 118 | |
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| 119 | friend std::ostream & operator << (std::ostream& os, const Tspeculative_access_queue_entry_t & x) |
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| 120 | { |
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| 121 | return os << " * state : " << x._state << std::endl |
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| 122 | << " * packet : " << toString(x._packet_id) << std::endl |
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| 123 | << " * context, front_end, ooo_engine_id : " << toString(x._context_id) << " - " << toString(x._front_end_id) << " - " << toString(x._ooo_engine_id) << std::endl |
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| 124 | << " * operation : " << toString(x._operation) << std::endl |
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| 125 | << " * load, store ptr_write : " << toString(x._load_queue_ptr_write) << " - " << toString(x._store_queue_ptr_write) << std::endl |
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| 126 | << " * exception : " << toString(x._exception) << std::endl |
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| 127 | << std::hex |
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| 128 | << " * address : " << toString(x._address)<< std::endl |
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| 129 | << std::dec |
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| 130 | << " * write_rd, num_reg_rd : " << toString(x._write_rd) << " - " << toString(x._num_reg_rd)<< std::endl; |
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| 131 | } |
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[59] | 132 | }; |
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| 133 | |
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| 134 | // ---------------------------------------------------------- |
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| 135 | // Load Queue |
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| 136 | // ---------------------------------------------------------- |
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| 137 | |
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[71] | 138 | // HAVE_DCACHE_RSP MUST_CHECK STD::DECOD_BARRIER |
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| 139 | // OPERATION_MEMORY_LOAD X X - |
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| 140 | // OPERATION_MEMORY_LOCK - - - |
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| 141 | // OPERATION_MEMORY_INVALIDATE - - X |
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| 142 | // OPERATION_MEMORY_PREFETCH - - - |
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| 143 | // OPERATION_MEMORY_FLUSH - - X |
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| 144 | // OPERATION_MEMORY_SYNCHRONIZATION X - X |
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| 145 | |
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| 146 | #define have_dcache_rsp(x) (is_operation_memory_load(x) or (x==OPERATION_MEMORY_SYNCHRONIZATION)) |
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| 147 | #define must_check(x) (is_operation_memory_load(x)) |
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| 148 | |
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[59] | 149 | typedef enum |
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| 150 | { |
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| 151 | LOAD_QUEUE_EMPTY //entry is empty |
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| 152 | ,LOAD_QUEUE_WAIT_CHECK //entry must wait the respons and check dependence with store |
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| 153 | ,LOAD_QUEUE_WAIT //entry must wait the respons |
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| 154 | ,LOAD_QUEUE_COMMIT_CHECK //entry must check dependence and can commit speculative |
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| 155 | ,LOAD_QUEUE_CHECK //entry must check dependence with store |
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| 156 | ,LOAD_QUEUE_COMMIT //entry must commit the instruction |
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| 157 | } Tload_queue_state_t; |
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| 158 | |
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| 159 | class Tload_queue_entry_t |
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| 160 | { |
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[71] | 161 | public : Tload_queue_state_t _state ; |
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| 162 | public : Tcontext_t _context_id ; |
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| 163 | public : Tcontext_t _front_end_id ; |
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| 164 | public : Tcontext_t _ooo_engine_id ; |
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| 165 | public : Tpacket_t _packet_id ; |
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| 166 | public : Toperation_t _operation ; |
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[59] | 167 | public : Tlsq_ptr_t _store_queue_ptr_write; |
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[71] | 168 | public : Tdcache_address_t _address ; |
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| 169 | public : Tdcache_address_t _check_hit_byte ; |
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| 170 | public : Tcontrol_t _check_hit ; |
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| 171 | public : Tdcache_address_t _shift ; |
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| 172 | public : Tcontrol_t _is_load_signed ; |
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| 173 | public : Taccess_t _access_size ; |
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| 174 | public : Tgeneral_data_t _rdata ; |
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| 175 | public : Tcontrol_t _write_rd ; |
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| 176 | public : Tgeneral_address_t _num_reg_rd ; |
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| 177 | public : Texception_t _exception ; |
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| 178 | |
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| 179 | friend std::ostream & operator << (std::ostream& os, const Tload_queue_entry_t & x) |
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| 180 | { |
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| 181 | return os << " * state : " << x._state << std::endl |
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| 182 | << " * packet : " << toString(x._packet_id) << std::endl |
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| 183 | << " * context, front_end, ooo_engine_id : " << toString(x._context_id) << " - " << toString(x._front_end_id) << " - " << toString(x._ooo_engine_id) << std::endl |
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| 184 | << " * operation : " << toString(x._operation) << std::endl |
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| 185 | << " * store_queue_ptr_write : " << toString(x._store_queue_ptr_write) << std::endl |
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| 186 | << " * exception : " << toString(x._exception) << std::endl |
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| 187 | << " * check_hit, check_hit_byte : " << toString(x._check_hit) << " - " << toString(x._check_hit_byte) << std::endl |
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| 188 | << std::hex |
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| 189 | << " * address : " << toString(x._address)<< std::endl |
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| 190 | << " * rdata : " << toString(x._rdata) << std::endl |
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| 191 | << std::dec |
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| 192 | << " * write_rd, num_reg_rd : " << toString(x._write_rd) << " - " << toString(x._num_reg_rd)<< std::endl; |
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| 193 | } |
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| 194 | |
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[59] | 195 | }; |
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| 196 | |
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| 197 | }; // end namespace load_store_unit |
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| 198 | }; // end namespace execute_unit |
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| 199 | }; // end namespace multi_execute_unit |
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| 200 | }; // end namespace execute_loop |
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| 201 | }; // end namespace multi_execute_loop |
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| 202 | }; // end namespace core |
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| 203 | }; // end namespace behavioural |
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| 204 | |
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| 205 | template<> inline std::string toString<morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tspeculative_load_t>(const morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tspeculative_load_t& x) |
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| 206 | { |
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| 207 | switch (x) |
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| 208 | { |
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| 209 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::NO_SPECULATIVE_LOAD : return "no_speculative_load" ; break; |
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| 210 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_ACCESS : return "speculative_load_access"; break; |
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| 211 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_COMMIT : return "speculative_load_commit"; break; |
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[78] | 212 | // case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_BYPASS : return "speculative_load_bypass"; break; |
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[59] | 213 | default : return "" ; break; |
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| 214 | } |
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| 215 | }; |
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| 216 | |
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| 217 | template<> inline morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tspeculative_load_t fromString<morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tspeculative_load_t>(const std::string& x) |
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| 218 | { |
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| 219 | if ( (x.compare("0") == 0) or |
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| 220 | (x.compare("no_speculative_load") == 0)) |
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| 221 | return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::NO_SPECULATIVE_LOAD; |
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| 222 | if ( (x.compare("1") == 0) or |
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| 223 | (x.compare("speculative_load_access") == 0)) |
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| 224 | return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_ACCESS; |
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| 225 | if ( (x.compare("2") == 0) or |
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| 226 | (x.compare("speculative_load_commit") == 0)) |
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| 227 | return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_COMMIT; |
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[78] | 228 | // if ( (x.compare("3") == 0) or |
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| 229 | // (x.compare("speculative_load_bypass") == 0)) |
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| 230 | // return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_BYPASS; |
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[59] | 231 | |
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| 232 | throw (ErrorMorpheo ("<fromString> : Unknow string : \""+x+"\"")); |
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| 233 | }; |
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| 234 | |
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[97] | 235 | |
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| 236 | template<> inline std::string toString<morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tstore_queue_state_t>(const morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tstore_queue_state_t& x) |
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| 237 | { |
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| 238 | switch (x) |
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| 239 | { |
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| 240 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::STORE_QUEUE_EMPTY : return "empty" ; break; |
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| 241 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::STORE_QUEUE_NO_VALID_NO_SPECULATIVE : return "no_valid_no_speculative"; break; |
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| 242 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::STORE_QUEUE_VALID_SPECULATIVE : return "valid_speculative" ; break; |
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| 243 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::STORE_QUEUE_VALID_NO_SPECULATIVE : return "valid_no_speculative" ; break; |
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| 244 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::STORE_QUEUE_COMMIT : return "commit" ; break; |
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| 245 | default : return "" ; break; |
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| 246 | } |
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| 247 | }; |
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| 248 | |
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| 249 | template<> inline std::string toString<morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tspeculative_access_queue_state_t>(const morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tspeculative_access_queue_state_t& x) |
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| 250 | { |
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| 251 | switch (x) |
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| 252 | { |
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| 253 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_ACCESS_QUEUE_EMPTY : return "empty" ; break; |
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| 254 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_ACCESS_QUEUE_WAIT_CACHE : return "wait_cache" ; break; |
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| 255 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_ACCESS_QUEUE_WAIT_LOAD_QUEUE : return "wait_load_queue"; break; |
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| 256 | default : return "" ; break; |
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| 257 | } |
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| 258 | }; |
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| 259 | |
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| 260 | template<> inline std::string toString<morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tload_queue_state_t>(const morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::Tload_queue_state_t& x) |
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| 261 | { |
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| 262 | switch (x) |
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| 263 | { |
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| 264 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::LOAD_QUEUE_EMPTY : return "empty" ; break; |
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| 265 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::LOAD_QUEUE_WAIT_CHECK : return "wait_check" ; break; |
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| 266 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::LOAD_QUEUE_WAIT : return "wait" ; break; |
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| 267 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::LOAD_QUEUE_COMMIT_CHECK : return "commit_check"; break; |
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| 268 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::LOAD_QUEUE_CHECK : return "check" ; break; |
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| 269 | case morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::LOAD_QUEUE_COMMIT : return "commit" ; break; |
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| 270 | default : return "" ; break; |
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| 271 | } |
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| 272 | }; |
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| 273 | |
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[59] | 274 | }; // end namespace morpheo |
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| 275 | |
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| 276 | #endif |
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