Changeset 119 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/src/Decod_genMealy.cpp

Timestamp:

May 25, 2009, 7:40:26 PM (15 years ago)

Author:

rosiere

Message:

1) Prediction unit : static prediction not blocking

File:

• trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/src/Decod_genMealy.cpp (modified) (7 diffs)

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod/src/Decod_genMealy.cpp

@@ -63 +63 @@
     for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
       {
+        log_printf(TRACE,Decod,FUNCTION,"  * DECOD [%d]",i);    
+
         while ((it != select->end())    and  // have a no scanned "slot_in" ?
                (decod_val [i] == false) and  // have not a previous selected entry?
@@ -72 +74 @@
             uint32_t   y = it->elt;
 
+            log_printf(TRACE,Decod,FUNCTION,"    * IFETCH [%d][%d]",x,y);    
+            log_printf(TRACE,Decod,FUNCTION,"      * in_IFETCH_VAL          : %d",PORT_READ(in_IFETCH_VAL [x][y]));
+            log_printf(TRACE,Decod,FUNCTION,"      * can_continue           : %d",can_continue [x]               );
+
             // Test if this instruction is valid
             if ((PORT_READ(in_IFETCH_VAL [x][y]) == 1) and // entry is valid
                 (can_continue [x]                == 1))    // context can decod instruction (have not a previous event)
               {
-                log_printf(TRACE,Decod,FUNCTION,"  * IFETCH [%d][%d]",x,y);    
-                log_printf(TRACE,Decod,FUNCTION,"    * decod_ack [%d] : %d",i,PORT_READ(in_DECOD_ACK [i]));
+                log_printf(TRACE,Decod,FUNCTION,"      * decod_ack              : %d",PORT_READ(in_DECOD_ACK [i]));
 
                 decod_val  [i]    = true;                        // fetch_val and decod_enable 
@@ -97 +102 @@
                   {
                     // Decod !
-                    log_printf(TRACE,Decod,FUNCTION,"  * DECOD [%d]",i);
-                    log_printf(TRACE,Decod,FUNCTION,"    * context       : %d",x);
-                    log_printf(TRACE,Decod,FUNCTION,"    * fetch         : %d",y);
-                    log_printf(TRACE,Decod,FUNCTION,"    * address       : %.8x (%.8x)",addr,(addr<<2));
-                    log_printf(TRACE,Decod,FUNCTION,"    * is_delay_slot : %d",internal_CONTEXT_IS_DELAY_SLOT [x]);
+                    log_printf(TRACE,Decod,FUNCTION,"      * address                : %.8x (%.8x)",addr,(addr<<2));
+                    log_printf(TRACE,Decod,FUNCTION,"      * is_delay_slot          : %d",internal_CONTEXT_IS_DELAY_SLOT [x]);
                     
                     instruction_decod (_decod_instruction, _decod_param[x]);
 
-                    log_printf(TRACE,Decod,FUNCTION,"    * address_next  : %.8x (%.8x)",_decod_instruction->_address_next,(_decod_instruction->_address_next<<2));
+                    log_printf(TRACE,Decod,FUNCTION,"      * address_next           : %.8x (%.8x)",_decod_instruction->_address_next,(_decod_instruction->_address_next<<2));
                   }
                 else
@@ -166 +168 @@
 
                 // Branch predictor can accept : the depth is valid
-                log_printf(TRACE,Decod,FUNCTION,"    * context_depth_val : %d",PORT_READ(in_CONTEXT_DEPTH_VAL [x]));
+                log_printf(TRACE,Decod,FUNCTION,"      * context_depth_val      : %d",PORT_READ(in_CONTEXT_DEPTH_VAL [x]));
                 decod_val   [i]    &= PORT_READ(in_CONTEXT_DEPTH_VAL [x]);
                 ifetch_ack  [x][y] &= PORT_READ(in_CONTEXT_DEPTH_VAL [x]);
@@ -172 +174 @@
                 if (type == TYPE_BRANCH)
                   {
-                    log_printf(TRACE,Decod,FUNCTION,"    * type is branch");
-                    log_printf(TRACE,Decod,FUNCTION,"      * predict_val  : %d",ifetch_ack [x][y]);
-                    log_printf(TRACE,Decod,FUNCTION,"      * predict_ack  : %d",PORT_READ(in_PREDICT_ACK [i]));
-
-                    log_printf(TRACE,Decod,FUNCTION,"      * address src  : %.8x (%.8x)",_decod_instruction->_address     ,_decod_instruction->_address     <<2);
-                    log_printf(TRACE,Decod,FUNCTION,"      * address dest : %.8x (%.8x)",_decod_instruction->_address_next,_decod_instruction->_address_next<<2);
+                    log_printf(TRACE,Decod,FUNCTION,"      * Instruction is branch");
+                    log_printf(TRACE,Decod,FUNCTION,"        * predict_val       : %d",ifetch_ack [x][y]);
+                    log_printf(TRACE,Decod,FUNCTION,"        * predict_ack       : %d",PORT_READ(in_PREDICT_ACK [i]));
+                                                         
+                    log_printf(TRACE,Decod,FUNCTION,"        * address src       : %.8x (%.8x)",_decod_instruction->_address     ,_decod_instruction->_address     <<2);
+                    log_printf(TRACE,Decod,FUNCTION,"        * address dest      : %.8x (%.8x)",_decod_instruction->_address_next,_decod_instruction->_address_next<<2);
                     
                     // test if have already decod an branch : one branch per context
@@ -207 +209 @@
                 if (event_type != EVENT_TYPE_NONE)
                   {
+                    log_printf(TRACE,Decod,FUNCTION,"      * Instruction make an EVENT (%s)",toString(event_type).c_str());
+                    log_printf(TRACE,Decod,FUNCTION,"        * context_event_ack : %d",PORT_READ(in_CONTEXT_EVENT_ACK));
+
                     // speculative jump at the exception handler
                     // if type = TYPE_BRANCH, also event_type == EVENT_TYPE_NONE
@@ -243 +248 @@
 
             log_printf(TRACE,Decod,FUNCTION,"    - num_(decod, context, fetch) : %d %d %d",i, x, y);
-            log_printf(TRACE,Decod,FUNCTION,"      - ifetch_ack        : %d",ifetch_ack  [x][y]);
-            log_printf(TRACE,Decod,FUNCTION,"      - context_event_val : %d",context_event_val );
-            log_printf(TRACE,Decod,FUNCTION,"      - predict_val       : %d",predict_val [i]   );
-            log_printf(TRACE,Decod,FUNCTION,"      - decod_val         : %d",decod_val   [i]   );
+            log_printf(TRACE,Decod,FUNCTION,"      - ifetch_ack             : %d",ifetch_ack  [x][y]);
+            log_printf(TRACE,Decod,FUNCTION,"      - context_event_val      : %d",context_event_val );
+            log_printf(TRACE,Decod,FUNCTION,"      - predict_val            : %d",predict_val [i]   );
+            log_printf(TRACE,Decod,FUNCTION,"      - decod_val              : %d",decod_val   [i]   );
             
             it ++;