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 138 2010-05-12 17:34:01Z 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 | #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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15 | #include <ostream> |
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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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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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33 | typedef enum |
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34 | { |
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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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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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54 | STORE_QUEUE_EMPTY //entry is empty |
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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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65 | public : Tcontext_t _front_end_id ; |
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66 | public : Tcontext_t _ooo_engine_id ; |
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67 | public : Tpacket_t _packet_id ; |
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68 | public : Toperation_t _operation ; |
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69 | public : Tcontrol_t _cancel ; |
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70 | public : Tlsq_ptr_t _load_queue_ptr_write; |
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71 | public : Tdcache_address_t _address ; |
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72 | public : Tgeneral_data_t _wdata ; |
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73 | //public : Tcontrol_t _write_rd ; |
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74 | //public : Tgeneral_address_t _num_reg_rd ; |
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75 | public : Texception_t _exception ; |
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76 | public : bool _send_commit ; |
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77 | |
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78 | friend std::ostream & operator << (std::ostream& os, const Tstore_queue_entry_t & x) |
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79 | { |
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80 | return os << " * state : " << x._state << std::endl |
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81 | << " * packet : " << toString(x._packet_id) << std::endl |
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82 | << " * 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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83 | << " * operation, cancel : " << toString(x._operation) << " - " << toString(x._cancel) << std::endl |
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84 | << " * load_ptr : " << toString(x._load_queue_ptr_write) << std::endl |
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85 | << " * exception : " << toString(x._exception) << std::endl |
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86 | << std::hex |
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87 | << " * address : " << toString(x._address)<< std::endl |
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88 | << " * wdata : " << toString(x._wdata) << std::endl |
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89 | << std::dec; |
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90 | } |
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91 | }; |
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92 | |
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93 | |
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94 | |
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95 | // ---------------------------------------------------------- |
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96 | // Speculative_Access Queue |
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97 | // ---------------------------------------------------------- |
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98 | |
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99 | typedef enum |
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100 | { |
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101 | SPECULATIVE_ACCESS_QUEUE_EMPTY //entry is empty |
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102 | ,SPECULATIVE_ACCESS_QUEUE_WAIT_CACHE //entry is valid and can access at the dcache |
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103 | ,SPECULATIVE_ACCESS_QUEUE_WAIT_LOAD_QUEUE //entry wait an empty slot in load queue |
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104 | } Tspeculative_access_queue_state_t; |
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105 | |
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106 | class Tspeculative_access_queue_entry_t |
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107 | { |
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108 | public : Tspeculative_access_queue_state_t _state ; |
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109 | public : Tcontext_t _context_id ; |
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110 | public : Tcontext_t _front_end_id ; |
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111 | public : Tcontext_t _ooo_engine_id ; |
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112 | public : Tpacket_t _packet_id ; |
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113 | public : Toperation_t _operation ; |
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114 | public : Tcontrol_t _cancel ; |
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115 | public : Tlsq_ptr_t _load_queue_ptr_write ; |
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116 | public : Tlsq_ptr_t _store_queue_ptr_write; |
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117 | public : Tlsq_ptr_t _store_queue_ptr_read ; |
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118 | public : Tcontrol_t _store_queue_empty ; |
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119 | public : Tdcache_address_t _address ; |
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120 | public : Tcontrol_t _write_rd ; |
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121 | public : Tgeneral_address_t _num_reg_rd ; |
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122 | public : Texception_t _exception ; |
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123 | |
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124 | friend std::ostream & operator << (std::ostream& os, const Tspeculative_access_queue_entry_t & x) |
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125 | { |
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126 | return os << " * state : " << x._state << std::endl |
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127 | << " * packet : " << toString(x._packet_id) << std::endl |
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128 | << " * 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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129 | << " * operation, cancel : " << toString(x._operation) << " - " << toString(x._cancel) << std::endl |
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130 | << " * load, store ptr_(write/read) empty: " << toString(x._load_queue_ptr_write) << " - " << toString(x._store_queue_ptr_write) << " - " << toString(x._store_queue_ptr_read) << " - " << toString(x._store_queue_empty) << std::endl |
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131 | << " * exception : " << toString(x._exception) << std::endl |
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132 | << std::hex |
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133 | << " * address : " << toString(x._address)<< std::endl |
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134 | << std::dec |
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135 | << " * write_rd, num_reg_rd : " << toString(x._write_rd) << " - " << toString(x._num_reg_rd)<< std::endl; |
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136 | } |
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137 | }; |
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138 | |
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139 | // ---------------------------------------------------------- |
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140 | // Load Queue |
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141 | // ---------------------------------------------------------- |
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142 | |
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143 | // HAVE_DCACHE_RSP MUST_CHECK DECOD_BARRIER |
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144 | // OPERATION_MEMORY_LOAD X X - |
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145 | // OPERATION_MEMORY_LOCK - - - |
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146 | // OPERATION_MEMORY_INVALIDATE - - X (mtspr) |
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147 | // OPERATION_MEMORY_PREFETCH - - - |
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148 | // OPERATION_MEMORY_FLUSH - - X (mtspr) |
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149 | // OPERATION_MEMORY_SYNCHRONIZATION X - X (msync, psync, csync) |
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150 | |
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151 | #define have_dcache_rsp(x) (is_operation_memory_load(x) or (x==OPERATION_MEMORY_SYNCHRONIZATION)) |
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152 | #define must_check(x) (is_operation_memory_load(x)) |
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153 | |
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154 | typedef enum |
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155 | { |
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156 | LOAD_QUEUE_EMPTY //entry is empty |
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157 | ,LOAD_QUEUE_WAIT_CHECK //entry must wait the respons and check dependence with store |
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158 | ,LOAD_QUEUE_WAIT //entry must wait the respons |
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159 | ,LOAD_QUEUE_COMMIT_CHECK //entry must check dependence and can commit speculative |
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160 | ,LOAD_QUEUE_CHECK //entry must check dependence with store |
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161 | ,LOAD_QUEUE_COMMIT //entry must commit the instruction |
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162 | } Tload_queue_state_t; |
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163 | |
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164 | class Tload_queue_entry_t |
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165 | { |
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166 | public : Tload_queue_state_t _state ; |
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167 | public : Tcontext_t _context_id ; |
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168 | public : Tcontext_t _front_end_id ; |
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169 | public : Tcontext_t _ooo_engine_id ; |
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170 | public : Tpacket_t _packet_id ; |
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171 | public : Toperation_t _operation ; |
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172 | public : Tcontrol_t _cancel ; |
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173 | public : Tlsq_ptr_t _store_queue_ptr_write; |
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174 | public : Tlsq_ptr_t _store_queue_ptr_read ; |
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175 | public : Tcontrol_t _store_queue_empty ; |
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176 | public : Tdcache_address_t _address ; |
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177 | public : Tdcache_address_t _check_hit_byte ; |
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178 | public : Tcontrol_t _check_hit ; |
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179 | public : Tdcache_address_t _shift ; |
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180 | public : Tcontrol_t _is_load_signed ; |
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181 | public : Taccess_t _access_size ; |
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182 | public : Tgeneral_data_t _rdata ; |
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183 | public : Tcontrol_t _write_rd ; |
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184 | public : Tgeneral_address_t _num_reg_rd ; |
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185 | public : Texception_t _exception ; |
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186 | public : Tcontrol_t _can_speculative_commit; |
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187 | |
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188 | friend std::ostream & operator << (std::ostream& os, const Tload_queue_entry_t & x) |
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189 | { |
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190 | return os << " * state : " << x._state << std::endl |
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191 | << " * packet : " << toString(x._packet_id) << std::endl |
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192 | << " * 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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193 | << " * operation, cancel : " << toString(x._operation) << " - " << toString(x._cancel) << std::endl |
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194 | << " * store_queue ptr_(write,read) empty: " << toString(x._store_queue_ptr_write) << " - " << toString(x._store_queue_ptr_read) << " - " << toString(x._store_queue_empty) <<std::endl |
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195 | << " * exception : " << toString(x._exception) << std::endl |
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196 | << " * check_hit, check_hit_byte : " << toString(x._check_hit) << " - " << toString(x._check_hit_byte) << std::endl |
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197 | << " * can_speculative_commit : " << toString(x._can_speculative_commit) << std::endl |
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198 | << std::hex |
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199 | << " * address : " << toString(x._address)<< std::endl |
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200 | << " * rdata : " << toString(x._rdata) << std::endl |
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201 | << std::dec |
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202 | << " * write_rd, num_reg_rd : " << toString(x._write_rd) << " - " << toString(x._num_reg_rd)<< std::endl; |
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203 | } |
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204 | |
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205 | }; |
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206 | |
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207 | }; // end namespace load_store_unit |
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208 | }; // end namespace execute_unit |
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209 | }; // end namespace multi_execute_unit |
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210 | }; // end namespace execute_loop |
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211 | }; // end namespace multi_execute_loop |
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212 | }; // end namespace core |
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213 | }; // end namespace behavioural |
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214 | |
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215 | 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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216 | { |
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217 | switch (x) |
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218 | { |
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219 | 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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220 | 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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221 | // 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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222 | // 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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223 | default : return "" ; break; |
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224 | } |
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225 | }; |
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226 | |
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227 | 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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228 | { |
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229 | if ((x.compare(toString(static_cast<uint32_t>(morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::NO_SPECULATIVE_LOAD ))) == 0) or |
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230 | (x.compare(toString( morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::NO_SPECULATIVE_LOAD )) == 0)) |
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231 | return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::NO_SPECULATIVE_LOAD; |
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232 | if ((x.compare(toString(static_cast<uint32_t>(morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_ACCESS))) == 0) or |
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233 | (x.compare(toString( morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_ACCESS )) == 0)) |
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234 | return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_ACCESS; |
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235 | // if ((x.compare(toString(static_cast<uint32_t>(morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_COMMIT))) == 0) or |
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236 | // (x.compare(toString( morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_COMMIT )) == 0)) |
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237 | // return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_COMMIT; |
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238 | // if ((x.compare(toString(static_cast<uint32_t>(morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_BYPASS))) == 0) or |
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239 | // (x.compare(toString( morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_BYPASS )) == 0)) |
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240 | // return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_BYPASS; |
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241 | |
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242 | throw (ErrorMorpheo ("<fromString> : Unknow string : \""+x+"\"")); |
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243 | }; |
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244 | |
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245 | |
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246 | 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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247 | { |
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248 | switch (x) |
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249 | { |
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250 | 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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251 | 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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252 | 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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253 | 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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254 | 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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255 | default : return "" ; break; |
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256 | } |
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257 | }; |
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258 | |
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259 | 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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260 | { |
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261 | switch (x) |
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262 | { |
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263 | 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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264 | 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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265 | 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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266 | default : return "" ; break; |
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267 | } |
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268 | }; |
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269 | |
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270 | 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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271 | { |
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272 | switch (x) |
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273 | { |
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274 | 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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275 | 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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276 | 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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277 | 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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278 | 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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279 | 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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280 | default : return "" ; break; |
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281 | } |
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282 | }; |
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283 | |
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284 | }; // end namespace morpheo |
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285 | |
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286 | #endif |
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