finished testbench generation

[blast.git] / GroupBlock.cpp

diff --git a/GroupBlock.cpp b/GroupBlock.cpp
index 5b4f34e2c9e2090c90f5d8e91ef042c7513ab1b9..d78a28e08e44dfb5a418fdc43c8576a150f19f73 100644 (file)
--- a/GroupBlock.cpp
+++ b/GroupBlock.cpp
@@ -7,56 +7,48 @@
 #include <sstream>
 #include "Parameters.h"
 #include "DelayInputModifier.h"
 #include <sstream>
 #include "Parameters.h"
 #include "DelayInputModifier.h"

+#include "Graph.h"

 
 int GroupBlock::counter = 1;
 
 
 int GroupBlock::counter = 1;
 

-GroupBlock::GroupBlock(GroupBlock *_parent) throw(Exception) :  AbstractBlock() {
+GroupBlock::GroupBlock(Graph *_graph, GroupBlock *_parent, bool createIfaces) throw(Exception) :  AbstractBlock(_graph) {

 
 

+  parent = _parent;

   GroupInterface* clk = NULL;
   GroupInterface* rst = NULL;
   
   // force topGroup to false if this group has a parent
   GroupInterface* clk = NULL;
   GroupInterface* rst = NULL;
   
   // force topGroup to false if this group has a parent

-  if (_parent != NULL) {
+  if (parent != NULL) {

     topGroup = false;
     name = QString("sub_group")+"_"+QString::number(counter++);
     topGroup = false;
     name = QString("sub_group")+"_"+QString::number(counter++);

-    // creating clk/rst interfaces
-    clk = new GroupInterface(this,"clk", AbstractInterface::Input, AbstractInterface::Clock);
-    rst = new GroupInterface(this,"reset", AbstractInterface::Input, AbstractInterface::Reset);
-    addInterface(clk);    
-    addInterface(rst);
-
-    try {
-      connectClkReset();
-    }
-    catch(Exception e) {
-      AbstractBlock* source = (AbstractBlock *)(e.getSource());
-      cerr << qPrintable(source->getName()) << ":" << qPrintable(e.getMessage()) << endl;
-      throw(e);
-    }

   }
   else {
     topGroup = true;
     name = QString("top_group");
     // creating external clk/rst interfaces
   }
   else {
     topGroup = true;
     name = QString("top_group");
     // creating external clk/rst interfaces

-    clk = new GroupInterface(this,"ext_clk", AbstractInterface::Input, AbstractInterface::Clock);
-    rst = new GroupInterface(this,"ext_reset", AbstractInterface::Input, AbstractInterface::Reset);
-    addInterface(clk);
-    addInterface(rst);
-    // creating clkrstgen block and connecting it to this: done in Dispatcher since this has no access to library

   }
   }

-  parent = _parent;

 
 

-  if (_parent != NULL) {
-    try {
-      connectClkReset();
+  if (createIfaces) {
+    if (topGroup) {
+      clk = new GroupInterface(this,"ext_clk_0", AbstractInterface::Input, AbstractInterface::Clock);
+      rst = new GroupInterface(this,"ext_reset_0", AbstractInterface::Input, AbstractInterface::Reset);
+      addInterface(clk);
+      addInterface(rst);

     }
     }

-    catch(Exception e) {
-      AbstractBlock* source = (AbstractBlock *)(e.getSource());
-      cerr << qPrintable(source->getName()) << ":" << qPrintable(e.getMessage()) << endl;
-      throw(e);
+    else {
+      // get all clock and reset from parent
+      QList<AbstractInterface*> lstClk = parent->getInterfaces(AbstractInterface::Input, AbstractInterface::Clock);
+      QList<AbstractInterface*> lstRst = parent->getInterfaces(AbstractInterface::Input, AbstractInterface::Reset);
+      foreach(AbstractInterface* iface, lstClk) {
+        clk = new GroupInterface(this,iface->getName(),AbstractInterface::Input, AbstractInterface::Clock);
+        addInterface(clk);
+      }
+      foreach(AbstractInterface* iface, lstRst) {
+        rst = new GroupInterface(this,iface->getName(),AbstractInterface::Input, AbstractInterface::Reset);
+        addInterface(rst);
+      }

     }
   }
     }
   }

-

 }
 
 GroupBlock::~GroupBlock() {
 }
 
 GroupBlock::~GroupBlock() {


@@ -148,11 +140,11 @@ void GroupBlock::createInputPattern() {
 }
 
 void GroupBlock::computeAdmittanceDelays() throw(Exception) {
 }
 
 void GroupBlock::computeAdmittanceDelays() throw(Exception) {

-  throw(Exception(INVALID_GROUPBLOCK_USE));
+  throw(Exception(INVALID_GROUPBLOCK_USE,this));

 }
 
 void GroupBlock::checkInputPatternCompatibility()  throw(Exception){
 }
 
 void GroupBlock::checkInputPatternCompatibility()  throw(Exception){

-  throw(Exception(INVALID_GROUPBLOCK_USE));
+  throw(Exception(INVALID_GROUPBLOCK_USE,this));

 }
 
 
 }
 
 


@@ -176,7 +168,7 @@ void GroupBlock::computeOutputPattern(int nbExec) throw(Exception) {
 
     bool addIt = false;
     // if a block is a generator and has control outputs, add it
 
     bool addIt = false;
     // if a block is a generator and has control outputs, add it

-    if (block->isGeneratorBlock()) {
+    if (block->isSourceBlock()) {

       if (block->getControlOutputs().size() > 0) addIt = true;
     }
     else {
       if (block->getControlOutputs().size() > 0) addIt = true;
     }
     else {


@@ -209,12 +201,10 @@ void GroupBlock::computeOutputPattern(int nbExec) throw(Exception) {
   while (!fifo.isEmpty()) {
     AbstractBlock* block = fifo.takeFirst();
     
   while (!fifo.isEmpty()) {
     AbstractBlock* block = fifo.takeFirst();
     

-    if (block->getPatternComputed()) continue; // block has already been processed
-
-    cout << "computing compat and output for " << qPrintable(block->getName()) << endl;
-    
+    if (block->getOutputPatternComputed()) continue; // block has already been processed    

 
     try {
 
     try {

+      cout << "computing compatibility of " << qPrintable(block->getName()) << endl;

       block->checkInputPatternCompatibility();
     }
     catch(Exception e) {      
       block->checkInputPatternCompatibility();
     }
     catch(Exception e) {      


@@ -223,6 +213,7 @@ void GroupBlock::computeOutputPattern(int nbExec) throw(Exception) {
     }   
     
     try {
     }   
     
     try {

+      cout << "computing output of " << qPrintable(block->getName()) << endl;

       block->computeOutputPattern();
     }
     catch(Exception e) {
       block->computeOutputPattern();
     }
     catch(Exception e) {


@@ -230,7 +221,7 @@ void GroupBlock::computeOutputPattern(int nbExec) throw(Exception) {
       throw(e);
     }
     canCompute = true;
       throw(e);
     }
     canCompute = true;

-    block->setPatternComputed(true);
+

     /* add other blocks connected from block to the fifo but only if
        all their connected inputs are connected to blocks that have
        a traversalLevel >=0
     /* add other blocks connected from block to the fifo but only if
        all their connected inputs are connected to blocks that have
        a traversalLevel >=0


@@ -239,29 +230,32 @@ void GroupBlock::computeOutputPattern(int nbExec) throw(Exception) {
       ConnectedInterface* conn = (ConnectedInterface*)iface;
       foreach(ConnectedInterface* connTo, conn->getConnectedTo()) {
 
       ConnectedInterface* conn = (ConnectedInterface*)iface;
       foreach(ConnectedInterface* connTo, conn->getConnectedTo()) {
 

-        AbstractBlock* block1 = connTo->getOwner();
-        cout << "testing if " << qPrintable(block1->getName()) << " has all connected inputs connected to already processed blocks" << endl;
-        bool addIt = true;
-        int maxLevel = 0;
-
-        foreach(AbstractInterface* iface, block1->getControlInputs()) {
-          //cout << qPrintable(iface->getName()) << " of " << qPrintable(iface->getOwner()->getName()) << " connected to " << endl;
-          ConnectedInterface* connFrom = ((ConnectedInterface*)iface)->getConnectedFrom();
-          //cout << qPrintable(connFrom->getName()) << " of " << qPrintable(connFrom->getOwner()->getName()) << endl;
-
-          if ((connFrom != NULL) && (connFrom->getOwner()->getPatternComputed() == false)) {
-            addIt = false;
-            break;
-          }
-          else {
-            if (connFrom->getOwner()->getTraversalLevel() > maxLevel) maxLevel = connFrom->getOwner()->getTraversalLevel();
+        AbstractBlock* blockTo = connTo->getOwner();
+        // do sthg only if blockTo is not this group block
+        if (blockTo != this) {
+          cout << "testing if " << qPrintable(blockTo->getName()) << " has all connected inputs connected to already processed blocks" << endl;
+          bool addIt = true;
+          int maxLevel = 0;
+
+          foreach(AbstractInterface* iface, blockTo->getControlInputs()) {
+            cout << qPrintable(iface->getName()) << "/" << qPrintable(iface->getOwner()->getName()) << " connected from ";
+            ConnectedInterface* connFrom = ((ConnectedInterface*)iface)->getConnectedFrom();
+            cout << qPrintable(connFrom->getName()) << "/" << qPrintable(connFrom->getOwner()->getName()) << endl;
+
+            if ((connFrom != NULL) && (connFrom->getOwner()->getOutputPatternComputed() == false)) {
+              addIt = false;
+              break;
+            }
+            else {
+              if (connFrom->getOwner()->getTraversalLevel() > maxLevel) maxLevel = connFrom->getOwner()->getTraversalLevel();
+            }

           }
           }

-        }

 
 

-        if (addIt) {
-          cout << "adding " << qPrintable(block1->getName()) << " to the FIFO" << endl;
-          block1->setTraversalLevel(maxLevel+1); // level 0 = first blocks to be evaluated
-          fifo.append(block1);
+          if (addIt) {
+            cout << "adding " << qPrintable(blockTo->getName()) << " to the FIFO" << endl;
+            blockTo->setTraversalLevel(maxLevel+1); // level 0 = first blocks to be evaluated
+            fifo.append(blockTo);
+          }

         }
       }
     }
         }
       }
     }


@@ -273,7 +267,7 @@ void GroupBlock::computeOutputPattern(int nbExec) throw(Exception) {
       QList<char>* pattern = new QList<char>(*(connIface->getConnectedFrom()->getOutputPattern()));
       connIface->setOutputPattern(pattern);
     }
       QList<char>* pattern = new QList<char>(*(connIface->getConnectedFrom()->getOutputPattern()));
       connIface->setOutputPattern(pattern);
     }

-    setPatternComputed(true);
+    setOutputPatternComputed(true);

   }
 }
 
   }
 }
 


@@ -491,7 +485,20 @@ void GroupBlock::generateArchitecture(QTextStream& out, QDomElement &elt) throw(
   out << "  --  SIGNALS" << endl;
   out << "  ----------------------------" << endl << endl;
 
   out << "  --  SIGNALS" << endl;
   out << "  ----------------------------" << endl << endl;
 

-// "normal" signals
+  // if this is top group, signals to synchronize inputs
+  if (topGroup) {
+    out << "  -- signals to synchronize inputs" << endl;
+    foreach(AbstractInterface* iface, getInputs()) {
+      if ((iface->getPurpose() == AbstractInterface::Data)||(iface->getPurpose() == AbstractInterface::Control)) {
+        QString name = iface->toVHDL(AbstractInterface::Signal,0);
+        name.replace(" : ","_sync : ");
+        out << "  signal " << name<< endl;
+      }
+    }
+    out << endl;
+  }
+
+  // "normal" signals

   foreach(AbstractBlock* block, blocks) {
     try {
       out << "  -- signals from output ports of " << block->getName() << endl;
   foreach(AbstractBlock* block, blocks) {
     try {
       out << "  -- signals from output ports of " << block->getName() << endl;


@@ -500,7 +507,7 @@ void GroupBlock::generateArchitecture(QTextStream& out, QDomElement &elt) throw(
         if ((iface->getPurpose() == AbstractInterface::Data)||(iface->getPurpose() == AbstractInterface::Control)) {
           out << "  signal " << iface->toVHDL(AbstractInterface::Signal,0) << endl;
         }
         if ((iface->getPurpose() == AbstractInterface::Data)||(iface->getPurpose() == AbstractInterface::Control)) {
           out << "  signal " << iface->toVHDL(AbstractInterface::Signal,0) << endl;
         }

-        else if (block->getName() == "clkrstgen") {
+        else if (block->getName().startsWith("clkrstgen")) {

           if ((iface->getPurpose() == AbstractInterface::Clock)||(iface->getPurpose() == AbstractInterface::Reset)) {
             out << "  signal " << iface->toVHDL(AbstractInterface::Signal,0) << endl;
           }
           if ((iface->getPurpose() == AbstractInterface::Clock)||(iface->getPurpose() == AbstractInterface::Reset)) {
             out << "  signal " << iface->toVHDL(AbstractInterface::Signal,0) << endl;
           }


@@ -610,7 +617,12 @@ void GroupBlock::generateArchitecture(QTextStream& out, QDomElement &elt) throw(
           }
         }
         else if (fromIface->isGroupInterface()) {
           }
         }
         else if (fromIface->isGroupInterface()) {

-          portMap += "      " + connIface->getName() + " => " + fromIface->getName() + ",\n";
+          if ((fromIface->getOwner()->isTopGroupBlock()) && ((fromIface->getPurpose() == AbstractInterface::Data)||(fromIface->getPurpose() == AbstractInterface::Control))) {
+            portMap += "      " + connIface->getName() + " => " + fromIface->getOwner()->getName()+ "_"+ fromIface->getName() + "_sync,\n";
+          }
+          else {
+            portMap += "      " + connIface->getName() + " => " + fromIface->getName() + ",\n";
+          }

         }
       }
       if (listOutputs.size()>0) {
         }
       }
       if (listOutputs.size()>0) {


@@ -658,6 +670,57 @@ void GroupBlock::generateArchitecture(QTextStream& out, QDomElement &elt) throw(
     }
   }
 
     }
   }
 

+  if (topGroup) {
+    // generate input sync process for each clock domain
+    out << "  -- process to synchronize inputs of top group" << endl;
+    for(int i=0;i<graph->getClocks().size();i++) {
+      // check if there are some inputs that must be sync with clock domain i
+      bool mustSync = false;
+      foreach(AbstractInterface* iface, getInputs()) {
+        if ((iface->getPurpose() == AbstractInterface::Data)||(iface->getPurpose() == AbstractInterface::Control)) {
+          if (iface->getClockDomain() == i) {
+            mustSync = true;
+            break;
+          }
+        }
+      }
+      if (mustSync) {
+        out << "sync_inputs_" << i << " : process(from_clkrstgen_" << i << "_clk,from_clkrstgen_" << i << "_reset)" << endl;
+        out << "  begin" << endl;
+        out << "    if from_clkrstgen_" << i << "_reset = '1' then" << endl;
+        foreach(AbstractInterface* iface, getInputs()) {
+          if ((iface->getPurpose() == AbstractInterface::Data)||(iface->getPurpose() == AbstractInterface::Control)) {
+            if (iface->getClockDomain() == i) {
+              if (iface->getWidth() == 0) {
+                out << "      " << name << "_" << iface->getName() << "_sync <= '0';" << endl;
+              }
+              else {
+                out << "      " << name << "_" << iface->getName() << "_sync <= (others => '0');" << endl;
+              }
+            }
+          }
+        }
+        out << "    elsif rising_edge(from_clkrstgen_" << i << "_clk) then" << endl;
+        foreach(AbstractInterface* iface, getInputs()) {
+          if ((iface->getPurpose() == AbstractInterface::Data)||(iface->getPurpose() == AbstractInterface::Control)) {
+            if (iface->getClockDomain() == i) {
+              if (iface->getWidth() == 0) {
+                out << "      " << name << "_" << iface->getName() << "_sync <= " << iface->getName() << ";" << endl;
+              }
+              else {
+                out << "      " << name << "_" << iface->getName() << "_sync <= " << iface->getName() << ";" << endl;
+              }
+            }
+          }
+        }
+        out << "    end if;" << endl;
+        out << "  end process sync_inputs_" << i << ";" << endl;
+
+        out << endl;
+      }
+    }
+  }
+

   out << "end architecture rtl;" << endl;
 }
 
   out << "end architecture rtl;" << endl;
 }