Changeset 108 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod_queue/src/Decod_queue_transition.cpp

Timestamp:

Feb 12, 2009, 12:55:06 PM (15 years ago)

Author:

rosiere

Message:

1) decod_queue : add reg_LAST_SLOT.
2) Commit : insert on event -> to pop decod_queue. Head test : add information (speculative or not)
3) Context State / UPT : Branch miss and Load miss in same cycle.
4) Free List : Bank is on LSB not MSB.
5) Platforms : move data

File:

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

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Decod_unit/Decod_queue/src/Decod_queue_transition.cpp

@@ -31 +31 @@
         for (uint32_t i=0; i<_param->_nb_context; i++)
           reg_NB_INST [i]=0;
+
+        reg_LAST_SLOT = 0;
       }
     else
@@ -62 +64 @@
                 entry->_no_execute    [i] = PORT_READ(in_DECOD_IN_NO_EXECUTE    [i]);
                 entry->_is_delay_slot [i] = PORT_READ(in_DECOD_IN_IS_DELAY_SLOT [i]);
+#ifdef DEBUG
+                entry->_address       [i] = PORT_READ(in_DECOD_IN_ADDRESS       [i]);
+#endif
                 entry->_address_next  [i] = PORT_READ(in_DECOD_IN_ADDRESS_NEXT  [i]);
                 entry->_has_immediat  [i] = PORT_READ(in_DECOD_IN_HAS_IMMEDIAT  [i]);
@@ -90 +95 @@
         if (not reg_QUEUE->empty())
           {
-            bool find = false;
+            bool find = false;
             
             for (uint32_t i=0; i<_param->_nb_inst_decod; i++)
               {
                 // Test transaction : if ok then invalid slot
+                // In order by rename logic
                 if (internal_DECOD_OUT_VAL [i] and internal_DECOD_OUT_ACK[i])
                   {
                     log_printf(TRACE,Decod_queue,FUNCTION,_("  * DECOD_OUT [%d]"),i);
                 
+#ifdef DEBUG_TEST
+                    if (reg_LAST_SLOT != i)
+                      throw ERRORMORPHEO(FUNCTION,toString(_("reg_LAST_SLOT (%d) is different at decod_out port (%d)."),reg_LAST_SLOT,i));
+#endif
+                    reg_LAST_SLOT ++;
+
                     reg_QUEUE->front()->_val [i] = 0;
 
@@ -108 +120 @@
                   }
                 // Test if slot is (again) valid, if yes, then have less one instruction in the entry
-                find |= reg_QUEUE->front()->_val [i];
+                find |= reg_QUEUE->front()->_val [i];
               }
             
-            // test if can free the entry
-            if (not find) // no valid instruction in current slot
+            // test if can free the entry : test if have consume all entry
+            if (not find) // no valid instruction in current slot
               {
                 log_printf(TRACE,Decod_queue,FUNCTION,_("    * POP  queue"));
@@ -119 +131 @@
                 delete reg_QUEUE->front();
                 reg_QUEUE->pop_front();
+
+                reg_LAST_SLOT = 0;
               }
           }
@@ -125 +139 @@
 #if defined(DEBUG) and defined(DEBUG_Decod_queue) and (DEBUG >= DEBUG_TRACE)
     log_printf(TRACE,Decod_queue,FUNCTION,"  * Dump decod_queue");
+    log_printf(TRACE,Decod_queue,FUNCTION,"    * reg_LAST_SLOT : %d",reg_LAST_SLOT);
     uint32_t x=0;
     for (std::list<decod_queue_entry_t*>::iterator it=reg_QUEUE->begin();
@@ -144 +159 @@
                          ,(*it)->_no_execute    [i]
                          ,(*it)->_is_delay_slot [i]
-                         ,(*it)->_address_next  [i]
-                         ,(*it)->_address_next  [i]<<2
+                         ,(*it)->_address       [i]
+                         ,(*it)->_address       [i]<<2
                          ,(*it)->_has_immediat  [i]
                          ,(*it)->_immediat      [i]