Changeset 111 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Rename_select/src/Rename_select_genMealy.cpp

Timestamp:

Feb 27, 2009, 7:37:40 PM (15 years ago)

Author:

rosiere

Message:

1) Decod_queue : multi implementation (one_fifo, multi_fifo)
2) Issue_queue : multi implementation (in_order, out_of_order)
3) Direction : Add Meta predictor
4) Context_State : re add Branch_complete, More priority to Load miss (is not speculative)
5) Return_Address_Stack : update reg_PREDICT pointer on decod miss prediction
6) UPT : Fix bug in multi event
7) Prediction_glue : in read_stack case, insert in UPT pc_next
8) Rename select : when rob have an event (need flush), read_r{a,b,c} and write_r{d,e} is set at 0

File:

• trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Rename_select/src/Rename_select_genMealy.cpp (modified) (1 diff)

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Rename_select/src/Rename_select_genMealy.cpp

@@ -69 +69 @@
                 
                 Tcontrol_t no_execute   = (PORT_READ(in_RENAME_IN_NO_EXECUTE [x][y]));
-                Tcontrol_t read_ra      = (PORT_READ(in_RENAME_IN_READ_RA    [x][y]));
-                Tcontrol_t read_rb      = (PORT_READ(in_RENAME_IN_READ_RB    [x][y]));
-                Tcontrol_t read_rc      = (PORT_READ(in_RENAME_IN_READ_RC    [x][y]));
-                Tcontrol_t write_rd     = (PORT_READ(in_RENAME_IN_WRITE_RD   [x][y]));
-                Tcontrol_t write_re     = (PORT_READ(in_RENAME_IN_WRITE_RE   [x][y]));
+//              Tcontrol_t read_ra      = (PORT_READ(in_RENAME_IN_READ_RA    [x][y]));
+//              Tcontrol_t read_rb      = (PORT_READ(in_RENAME_IN_READ_RB    [x][y]));
+//              Tcontrol_t read_rc      = (PORT_READ(in_RENAME_IN_READ_RC    [x][y]));
+//              Tcontrol_t write_rd     = (PORT_READ(in_RENAME_IN_WRITE_RD   [x][y]));
+//              Tcontrol_t write_re     = (PORT_READ(in_RENAME_IN_WRITE_RE   [x][y]));
 
-                // Attention, j'ai enlevé event_state de la liste de sensibilité
-//                 Tevent_state_t event_state  = PORT_READ(in_RETIRE_EVENT_STATE [front_end_id][context_id]);
+                // Test if ROB is Flushed
+                Tevent_state_t event_state         = PORT_READ(in_RETIRE_EVENT_STATE [front_end_id][context_id]);
+                Tcontrol_t     can_register_access = (event_state == EVENT_STATE_NO_EVENT);
 
-//                 Tcontrol_t     no_execute   = (PORT_READ(in_RENAME_IN_NO_EXECUTE [x][y]) or
-//                                                // ROB Flush
-//                                                ((event_state == EVENT_STATE_EVENT  ) or
-//                                                 (event_state == EVENT_STATE_WAITEND)));
-
-//              Tcontrol_t read_ra  = (PORT_READ(in_RENAME_IN_READ_RA  [x][y]) and not no_execute);
-//              Tcontrol_t read_rb  = (PORT_READ(in_RENAME_IN_READ_RB  [x][y]) and not no_execute);
-//              Tcontrol_t read_rc  = (PORT_READ(in_RENAME_IN_READ_RC  [x][y]) and not no_execute);
-//              Tcontrol_t write_rd = (PORT_READ(in_RENAME_IN_WRITE_RD [x][y]) and not no_execute);
-//              Tcontrol_t write_re = (PORT_READ(in_RENAME_IN_WRITE_RE [x][y]) and not no_execute);
+                Tcontrol_t read_ra  = (PORT_READ(in_RENAME_IN_READ_RA  [x][y]) and can_register_access);
+                Tcontrol_t read_rb  = (PORT_READ(in_RENAME_IN_READ_RB  [x][y]) and can_register_access);
+                Tcontrol_t read_rc  = (PORT_READ(in_RENAME_IN_READ_RC  [x][y]) and can_register_access);
+                Tcontrol_t write_rd = (PORT_READ(in_RENAME_IN_WRITE_RD [x][y]) and can_register_access);
+                Tcontrol_t write_re = (PORT_READ(in_RENAME_IN_WRITE_RE [x][y]) and can_register_access);
                 
                 if (_param->_have_port_front_end_id)