Changeset 146 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Meta_Predictor/Two_Level_Branch_Predictor/src/Parameters.cpp

Timestamp:

Feb 1, 2011, 9:57:54 PM (13 years ago)

Author:

rosiere

Message:

1) Integration of RegisterFile_Internal_Banked in RegisterFile?
2) Erase "read_write" interface in RegisterFile_Monolithic component
3) Add smith predictor parameters in Load_store_pointer_unit.
4) Fix not statistics flags

File:

• trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Meta_Predictor/Two_Level_Branch_Predictor/src/Parameters.cpp (modified) (3 diffs)

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Direction/Meta_Predictor/Two_Level_Branch_Predictor/src/Parameters.cpp

@@ -22 +22 @@
 #undef  FUNCTION
 #define FUNCTION "Two_Level_Branch_Predictor::Parameters"
-  Parameters::Parameters (uint32_t nb_inst_predict       ,
-                          uint32_t nb_inst_update        ,
-                          uint32_t size_address          ,
-                          bool     have_bht              ,
-                          uint32_t bht_size_shifter      ,
-                          uint32_t bht_nb_shifter        ,
-                          bool     have_pht              ,
-                          uint32_t pht_size_counter      ,
-                          uint32_t pht_nb_counter        ,
-                          uint32_t pht_size_address_share,
-                          bool     update_on_prediction  ,
-                          bool is_toplevel)
+  Parameters::Parameters (uint32_t      nb_inst_predict       ,
+                          uint32_t      nb_inst_update        ,
+                          uint32_t      size_address          ,
+                          bool          have_bht              ,
+                          uint32_t      bht_size_shifter      ,
+                          uint32_t      bht_nb_shifter        ,
+                          bool          have_pht              ,
+                          uint32_t      pht_size_counter      ,
+                          uint32_t      pht_nb_counter        ,
+                          uint32_t      pht_size_address_share,
+                          Tpht_scheme_t pht_scheme            ,
+                          bool          update_on_prediction  ,
+                          bool          is_toplevel)
   {
     log_begin(Two_Level_Branch_Predictor,FUNCTION);
@@ -47 +48 @@
     _pht_nb_counter          = (have_pht)?(pht_nb_counter  ):0;
     _pht_size_address_share  = (have_bht and have_pht)?(pht_size_address_share):0;
+    _pht_scheme              = pht_scheme            ;
     _update_on_prediction    = update_on_prediction  ;
                              
@@ -97 +99 @@
       {
         _pht_counter_max         = (1<<_pht_size_counter)-1;
-        
+        _pht_threshold_up        = (1<<(_pht_size_counter-1))+1;
+        _pht_threshold_down      = (1<<(_pht_size_counter-1))-1;
+
         _pht_size_bank           = (_have_bht)?(1<<_bht_size_shifter):1;
         _pht_nb_bank             = _pht_nb_counter / _pht_size_bank;