1 | #ifndef morpheo_behavioural_core_multi_execute_loop_execute_loop_multi_execute_unit_execute_unit_load_store_unit_Types_h |
---|
2 | #define morpheo_behavioural_core_multi_execute_loop_execute_loop_multi_execute_unit_execute_unit_load_store_unit_Types_h |
---|
3 | |
---|
4 | /* |
---|
5 | * $Id$ |
---|
6 | * |
---|
7 | * [ Description ] |
---|
8 | * |
---|
9 | */ |
---|
10 | |
---|
11 | #include "Behavioural/include/Types.h" |
---|
12 | #include "Common/include/ToString.h" |
---|
13 | #include "Common/include/FromString.h" |
---|
14 | #include "Common/include/ErrorMorpheo.h" |
---|
15 | |
---|
16 | namespace morpheo { |
---|
17 | namespace behavioural { |
---|
18 | namespace core { |
---|
19 | namespace multi_execute_loop { |
---|
20 | namespace execute_loop { |
---|
21 | namespace multi_execute_unit { |
---|
22 | namespace execute_unit { |
---|
23 | namespace load_store_unit { |
---|
24 | |
---|
25 | typedef enum |
---|
26 | { |
---|
27 | NO_SPECULATIVE_LOAD , //each load wait all previous store before the data cache access |
---|
28 | SPECULATIVE_LOAD_ACCESS, //each load wait all previous store before the commiting |
---|
29 | SPECULATIVE_LOAD_COMMIT, //each load commit the result before the end of dependence's check |
---|
30 | SPECULATIVE_LOAD_BYPASS //each load bypass the result before the end of dependence's check |
---|
31 | } Tspeculative_load_t; |
---|
32 | |
---|
33 | typedef enum |
---|
34 | { |
---|
35 | SELECT_STORE_QUEUE, |
---|
36 | SELECT_LOAD_QUEUE , |
---|
37 | SELECT_LOAD_QUEUE_SPECULATIVE |
---|
38 | } Tselect_queue_t; |
---|
39 | |
---|
40 | // ---------------------------------------------------------- |
---|
41 | // Store Queue |
---|
42 | // ---------------------------------------------------------- |
---|
43 | |
---|
44 | typedef enum |
---|
45 | { |
---|
46 | STORE_QUEUE_EMPTY //entry is empty |
---|
47 | ,STORE_QUEUE_NO_VALID_NO_SPECULATIVE //entry is the top of rob, and operation isn't arrive |
---|
48 | ,STORE_QUEUE_VALID_SPECULATIVE //entry is arrive and wait the top of rob |
---|
49 | ,STORE_QUEUE_VALID_NO_SPECULATIVE //entry is ok, can be access at a dcache port. |
---|
50 | ,STORE_QUEUE_COMMIT //entry have access at dcache |
---|
51 | } Tstore_queue_state_t; |
---|
52 | |
---|
53 | class Tstore_queue_entry_t |
---|
54 | { |
---|
55 | public : Tstore_queue_state_t _state ; |
---|
56 | public : Tcontext_t _context_id ; |
---|
57 | public : Tpacket_t _packet_id ; |
---|
58 | public : Tdcache_type_t _dcache_type ; |
---|
59 | public : Tcontrol_t _uncached ; |
---|
60 | public : Tlsq_ptr_t _load_queue_ptr_write; |
---|
61 | public : Tdcache_data_t _address ; |
---|
62 | public : Tgeneral_data_t _wdata ; |
---|
63 | //public : Tcontrol_t _write_rd ; |
---|
64 | //public : Tgeneral_address_t _num_reg_rd ; |
---|
65 | public : Texception_t _exception ; |
---|
66 | |
---|
67 | friend ostream & operator << (ostream& os, const Tstore_queue_entry_t & x) |
---|
68 | { |
---|
69 | return os << " * state : " << x._state << endl |
---|
70 | << " * packet - context_id : " << toString(static_cast<uint32_t>(x._packet_id )) << " - " << toString(static_cast<uint32_t>(x._context_id)) << endl |
---|
71 | << " * type - uncached : " << toString(static_cast<uint32_t>(x._dcache_type )) << " - " << toString(static_cast<uint32_t>(x._uncached )) << endl |
---|
72 | << " * load_ptr - execption : " << toString(static_cast<uint32_t>(x._load_queue_ptr_write)) << " - " << toString(static_cast<uint32_t>(x._exception )) << endl |
---|
73 | << " * address - wdata : " << toString(static_cast<uint32_t>(x._address )) << " - " << toString(static_cast<uint32_t>(x._wdata )) << endl; |
---|
74 | } |
---|
75 | }; |
---|
76 | |
---|
77 | |
---|
78 | |
---|
79 | // ---------------------------------------------------------- |
---|
80 | // Speculative_Access Queue |
---|
81 | // ---------------------------------------------------------- |
---|
82 | |
---|
83 | typedef enum |
---|
84 | { |
---|
85 | SPECULATIVE_ACCESS_QUEUE_EMPTY //entry is empty |
---|
86 | ,SPECULATIVE_ACCESS_QUEUE_WAIT_CACHE //entry is valid and can access at the dcache |
---|
87 | ,SPECULATIVE_ACCESS_QUEUE_WAIT_LOAD_QUEUE //entry wait an empty slot in load queue |
---|
88 | } Tspeculative_access_queue_state_t; |
---|
89 | |
---|
90 | class Tspeculative_access_queue_entry_t |
---|
91 | { |
---|
92 | public : Tspeculative_access_queue_state_t _state ; |
---|
93 | public : Tcontext_t _context_id ; |
---|
94 | public : Tpacket_t _packet_id ; |
---|
95 | public : Taccess_t _access ; |
---|
96 | public : Tcontrol_t _uncached ; |
---|
97 | public : Tcontrol_t _sign_extension ; |
---|
98 | public : Tlsq_ptr_t _load_queue_ptr_write ; |
---|
99 | public : Tlsq_ptr_t _store_queue_ptr_write; |
---|
100 | public : Tdcache_address_t _address ; |
---|
101 | public : Tgeneral_data_t _rdata ; |
---|
102 | public : Tcontrol_t _write_rd ; |
---|
103 | public : Tgeneral_address_t _num_reg_rd ; |
---|
104 | public : Texception_t _exception ; |
---|
105 | }; |
---|
106 | |
---|
107 | // ---------------------------------------------------------- |
---|
108 | // Load Queue |
---|
109 | // ---------------------------------------------------------- |
---|
110 | |
---|
111 | typedef enum |
---|
112 | { |
---|
113 | LOAD_QUEUE_EMPTY //entry is empty |
---|
114 | ,LOAD_QUEUE_WAIT_CHECK //entry must wait the respons and check dependence with store |
---|
115 | ,LOAD_QUEUE_WAIT //entry must wait the respons |
---|
116 | ,LOAD_QUEUE_COMMIT_CHECK //entry must check dependence and can commit speculative |
---|
117 | ,LOAD_QUEUE_CHECK //entry must check dependence with store |
---|
118 | ,LOAD_QUEUE_COMMIT //entry must commit the instruction |
---|
119 | } Tload_queue_state_t; |
---|
120 | |
---|
121 | class Tload_queue_entry_t |
---|
122 | { |
---|
123 | public : Tload_queue_state_t _state ; |
---|
124 | public : Tcontext_t _context_id ; |
---|
125 | public : Tpacket_t _packet_id ; |
---|
126 | public : Taccess_t _access ; |
---|
127 | public : Tcontrol_t _uncached ; |
---|
128 | public : Tcontrol_t _sign_extension ; |
---|
129 | public : Tlsq_ptr_t _store_queue_ptr_write; |
---|
130 | public : Tdcache_address_t _address ; |
---|
131 | public : Tgeneral_data_t _rdata ; |
---|
132 | public : Tcontrol_t _write_rd ; |
---|
133 | public : Tgeneral_address_t _num_reg_rd ; |
---|
134 | public : Texception_t _exception ; |
---|
135 | }; |
---|
136 | |
---|
137 | }; // end namespace load_store_unit |
---|
138 | }; // end namespace execute_unit |
---|
139 | }; // end namespace multi_execute_unit |
---|
140 | }; // end namespace execute_loop |
---|
141 | }; // end namespace multi_execute_loop |
---|
142 | }; // end namespace core |
---|
143 | }; // end namespace behavioural |
---|
144 | |
---|
145 | 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) |
---|
146 | { |
---|
147 | switch (x) |
---|
148 | { |
---|
149 | 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; |
---|
150 | 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; |
---|
151 | 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; |
---|
152 | 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; |
---|
153 | default : return "" ; break; |
---|
154 | } |
---|
155 | }; |
---|
156 | |
---|
157 | 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) |
---|
158 | { |
---|
159 | if ( (x.compare("0") == 0) or |
---|
160 | (x.compare("no_speculative_load") == 0)) |
---|
161 | return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::NO_SPECULATIVE_LOAD; |
---|
162 | if ( (x.compare("1") == 0) or |
---|
163 | (x.compare("speculative_load_access") == 0)) |
---|
164 | return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_ACCESS; |
---|
165 | if ( (x.compare("2") == 0) or |
---|
166 | (x.compare("speculative_load_commit") == 0)) |
---|
167 | return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_COMMIT; |
---|
168 | if ( (x.compare("3") == 0) or |
---|
169 | (x.compare("speculative_load_bypass") == 0)) |
---|
170 | return morpheo::behavioural::core::multi_execute_loop::execute_loop::multi_execute_unit::execute_unit::load_store_unit::SPECULATIVE_LOAD_BYPASS; |
---|
171 | |
---|
172 | throw (ErrorMorpheo ("<fromString> : Unknow string : \""+x+"\"")); |
---|
173 | }; |
---|
174 | |
---|
175 | }; // end namespace morpheo |
---|
176 | |
---|
177 | #endif |
---|