Changeset 95 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/include/Types.h

Timestamp:

Dec 16, 2008, 5:24:26 PM (15 years ago)

Author:

rosiere

Message:

1) Update Prediction Table - New architecture (systemC) done (and tested) -> need change interface in top level
2) Change documentation on VHDL generation
3) Change VHDL constant (case std_logic and std_logic_vector)

File:

• trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/include/Types.h (modified) (4 diffs)

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/include/Types.h

@@ -21 +21 @@
   typedef enum
     {
-      EVENT_STATE_OK                 , // Can predict
-      EVENT_STATE_FLUSH_UFPT         , // in decod  stage, detect a miss, continue to execute but flush ufpt
-      EVENT_STATE_FLUSH_UFPT_AND_UPT , // in commit stage, detect a miss, stop context and flush ufpt and upt
-      EVENT_STATE_FLUSH_UPT_RAS      , // in commit stage, detect a miss, context is stop and ufpt is flush, update RAS
-      EVENT_STATE_FLUSH_UPT          , // in commit stage, detect a miss, context is stop and ufpt is flush
-      EVENT_STATE_UPDATE_CONTEXT       // prediction unit is update, send signal to context manager
+      EVENT_STATE_OK                    , // Can predict
+      EVENT_STATE_FLUSH_UFPT            , // in decod  stage, detect a miss, continue to execute but flush ufpt
+      EVENT_STATE_FLUSH_UFPT_AND_UPT    , // in commit stage, detect a miss, stop context and flush ufpt and upt
+      EVENT_STATE_FLUSH_UPT             , // in commit stage, detect a miss, context is stop and ufpt is flush, update RAS
+      EVENT_STATE_UPDATE_CONTEXT        , // prediction unit is update, send signal to context manager
+      EVENT_STATE_WAIT_END_EVENT          // prediction unit is ok, wait the end of envent (send by Context State)
     } event_state_t;
 
@@ -44 +44 @@
       UPDATE_PREDICTION_STATE_KO                , // this branch is a miss prediction
       UPDATE_PREDICTION_STATE_EVENT             , // previous branch is a miss prediction
-      UPDATE_PREDICTION_STATE_END                 // branch is updated 
+      UPDATE_PREDICTION_STATE_END_OK            , // branch is updated,       update pointer
+      UPDATE_PREDICTION_STATE_END_KO              // branch is updated, don't update pointer
     } upt_state_t;
 
@@ -114 +115 @@
     switch (x)
       {
-      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_OK                   : return "ok"                  ; break;
-      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_FLUSH_UFPT           : return "flush_ufpt"          ; break;
-      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_FLUSH_UFPT_AND_UPT   : return "flush_ufpt_and_upt"  ; break;
-      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_FLUSH_UPT_RAS        : return "flush_upt_ras"       ; break;
-      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_FLUSH_UPT            : return "flush_upt"           ; break;
-      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_UPDATE_CONTEXT       : return "update_context"      ; break;
+      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_OK                      : return "ok"                     ; break;
+      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_FLUSH_UFPT              : return "flush_ufpt"             ; break;
+      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_FLUSH_UFPT_AND_UPT      : return "flush_ufpt_and_upt"     ; break;
+      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_FLUSH_UPT               : return "flush_upt"              ; break;
+      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_UPDATE_CONTEXT          : return "update_context"         ; break;
+      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::EVENT_STATE_WAIT_END_EVENT          : return "wait_and_event"         ; break;
       default    : return ""      ; break;
       }
@@ -145 +146 @@
       case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::UPDATE_PREDICTION_STATE_KO         : return "ko"        ; break;
       case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::UPDATE_PREDICTION_STATE_EVENT      : return "event"     ; break;
-      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::UPDATE_PREDICTION_STATE_END        : return "end"       ; break;
+      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::UPDATE_PREDICTION_STATE_END_OK     : return "end_ok"    ; break;
+      case morpheo::behavioural::core::multi_front_end::front_end::prediction_unit::update_prediction_table::UPDATE_PREDICTION_STATE_END_KO     : return "end_ko"    ; break;
       default    : return ""      ; break;
       }