finished testbench generation

[blast.git] / GroupInterface.cpp

diff --git a/GroupInterface.cpp b/GroupInterface.cpp
index bfeb1ff2373a4fe113854772826892dd9f0187d3..db80b911aa488d5e4ba1a01dab642fd7a5831291 100644 (file)
--- a/GroupInterface.cpp
+++ b/GroupInterface.cpp
@@ -10,6 +10,7 @@ GroupInterface::GroupInterface(AbstractBlock* _owner, const QString& _name, int
   if ((purpose == Clock) || (purpose == Reset)) {
     type = Boolean;
   }
   if ((purpose == Clock) || (purpose == Reset)) {
     type = Boolean;
   }

+  clkIfaceType = InheritedName;

 }
 
 bool GroupInterface::isGroupInterface() {
 }
 
 bool GroupInterface::isGroupInterface() {


@@ -44,7 +45,7 @@ int GroupInterface::getWidth() {
   return w;
 }
 
   return w;
 }
 

-bool GroupInterface::canConnectTo(AbstractInterface *iface) {
+bool GroupInterface::canConnectTo(AbstractInterface *iface, bool testClock) {

 
   /* NOTE :
      necessary conditions :
 
   /* NOTE :
      necessary conditions :


@@ -62,32 +63,53 @@ bool GroupInterface::canConnectTo(AbstractInterface *iface) {
         2.1 - this is an output, iface is an output of the group
         2.2 - both are inout
      
         2.1 - this is an output, iface is an output of the group
         2.2 - both are inout
      

-
+      NB: testClock is useless since a group interface has always a clkIfaceType inherited.
+      Thus, it is always possible

 
   */
 
   */

+  bool ok = false;
+

   if (iface->isReferenceInterface()) return false;
   ConnectedInterface* connIface = AI_TO_CON(iface);
   if (connIface->getConnectedFrom() != NULL) return false;
 
   if (this->getOwner() == iface->getOwner()->getParent()) {
   if (iface->isReferenceInterface()) return false;
   ConnectedInterface* connIface = AI_TO_CON(iface);
   if (connIface->getConnectedFrom() != NULL) return false;
 
   if (this->getOwner() == iface->getOwner()->getParent()) {

-    if ((direction == Input) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;
+    if ((direction == Input) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;

 
   }
   else if (this->getOwner()->getParent() == iface->getOwner()->getParent()) {
 
   }
   else if (this->getOwner()->getParent() == iface->getOwner()->getParent()) {

-    if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;
+    if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;

   }
   else if (this->getOwner()->getParent() == iface->getOwner()) {
   }
   else if (this->getOwner()->getParent() == iface->getOwner()) {

-    if ((direction == Output) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;
+    if ((direction == Output) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;

   }
   
   }
   

+  if (ok) {
+    if (testClock) {
+      int dom1 = -1,dom2 = -2;
+      try {
+        dom1 = getClockDomain();
+        dom2 = iface->getClockDomain();
+      }
+      catch(Exception e) {
+        cerr << qPrintable(e.getMessage()) << endl;
+        return false;
+      }
+      if (dom1 != dom2) {
+        cout << "cannot connect interface that are in different clock domains" << endl;
+        return false;
+      }
+    }
+    return true;
+  }

 
   return false;
 }
 
 
   return false;
 }
 

-bool GroupInterface::canConnectFrom(AbstractInterface *iface) {
+bool GroupInterface::canConnectFrom(AbstractInterface *iface, bool testClock) {

 
   /* NOTE :
      necessary conditions :
 
   /* NOTE :
      necessary conditions :


@@ -106,24 +128,45 @@ bool GroupInterface::canConnectFrom(AbstractInterface *iface) {
         2.2 - both are inout
      4 - this is owned by top group and iface is an output of a source block           
   */
         2.2 - both are inout
      4 - this is owned by top group and iface is an output of a source block           
   */

+  bool ok = false;
+

   if (iface->isReferenceInterface()) return false;
   if (getConnectedFrom() != NULL) return false;
 
   if (this->getOwner() == iface->getOwner()->getParent()) {
   if (iface->isReferenceInterface()) return false;
   if (getConnectedFrom() != NULL) return false;
 
   if (this->getOwner() == iface->getOwner()->getParent()) {

-    if ((direction == Output) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;
+    if ((direction == Output) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;

 
   }
   else if (this->getOwner()->getParent() == iface->getOwner()->getParent()) {
 
   }
   else if (this->getOwner()->getParent() == iface->getOwner()->getParent()) {

-    if ((direction == Input) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;
+    if ((direction == Input) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;

   }
   else if (this->getOwner()->getParent() == iface->getOwner()) {
   }
   else if (this->getOwner()->getParent() == iface->getOwner()) {

-    if ((direction == Input) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) return true;
-    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) return true;
+    if ((direction == Input) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;

   }
   else if ((getOwner()->isTopGroupBlock()) && (iface->getOwner()->isStimuliBlock())) {
   }
   else if ((getOwner()->isTopGroupBlock()) && (iface->getOwner()->isStimuliBlock())) {

-    if ((direction == Input) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) return true;
+    if ((direction == Input) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) ok = true;
+  }
+
+  if (ok) {
+    if (testClock) {
+      int dom1 = -1,dom2 = -2;
+      try {
+        dom1 = getClockDomain();
+        dom2 = iface->getClockDomain();
+      }
+      catch(Exception e) {
+        cerr << qPrintable(e.getMessage()) << endl;
+        return false;
+      }
+      if (dom1 != dom2) {
+        cout << "cannot connect interface that are in different clock domains" << endl;
+        return false;
+      }
+    }
+    return true;

   }
 
   return false;
   }
 
   return false;


@@ -131,29 +174,60 @@ bool GroupInterface::canConnectFrom(AbstractInterface *iface) {
 
 int GroupInterface::getClockDomain() throw(Exception) {
 
 
 int GroupInterface::getClockDomain() throw(Exception) {
 

+  /* For clk/rst interfaces, the clock domain can be deduced
+     from the interface name.
+     Otherwise, we can search backward/forward for a functional
+     interface. Since a group interface cannot exist if it is not
+     connected to and/or from a functional interface (either directly
+     or through a sequence of subgroups) there is at least such a functional
+     interface.
+   */

   int idClock = -1;
   int idClock = -1;

-
-  GroupInterface* iface = NULL;
-  if (clkIfaceType == ClockName) {
-    iface = AI_TO_GRP(getClockIface());
-  }
-  else if ((direction == Input) && (purpose == Clock)) {
-    iface = this;
-  }
-
-  if ( iface != NULL) {
-
-    QString name = iface->getName();
-    name.remove(0,8);
+  if ((purpose == Clock) || (purpose == Reset)) {
+    QString domName = name;
+    domName.remove(0,8);

     bool ok;
     bool ok;

-    idClock = name.toInt(&ok);
+    idClock = domName.toInt(&ok);

     if (!ok) throw(Exception(IFACE_INVALID_CLKFREQ,this));
     if (!ok) throw(Exception(IFACE_INVALID_CLKFREQ,this));

-
+  }
+  else {
+    // start by searching backward
+    ConnectedInterface* connFrom = connectedFrom;
+    while ((connFrom != NULL) && (connFrom->isGroupInterface())) {
+      connFrom = connFrom->getConnectedFrom();
+    }
+    if (connFrom != NULL) {
+      idClock = connFrom->getClockDomain();
+    }
+    //searching forward
+    else {
+      QList<ConnectedInterface*> lstIfaces = getForwardFunctionalInterfaces(this);
+      if (lstIfaces.isEmpty()) throw(Exception(IFACE_INVALID_CLKFREQ,this));
+      foreach(ConnectedInterface* iface, lstIfaces) {
+        // test if all ifaces are in the same clock domain
+        if (idClock == -1) {
+          idClock = iface->getClockDomain();
+        }
+        else if (idClock != iface->getClockDomain()) throw(Exception(IFACE_INVALID_CLKFREQ,this));
+      }
+    }

   }
 
   return idClock;
 }
 
   }
 
   return idClock;
 }
 

+QList<ConnectedInterface*> GroupInterface::getForwardFunctionalInterfaces(GroupInterface* groupIface) {
+  QList<ConnectedInterface*> lstIfaces;
+  foreach(ConnectedInterface* iface, groupIface->getConnectedTo()) {
+    if (iface->isFunctionalInterface()) {
+      lstIfaces.append(iface);
+    }
+    else if (iface->isGroupInterface()) {
+      lstIfaces.append(getForwardFunctionalInterfaces(AI_TO_GRP(iface)));
+    }
+  }
+  return lstIfaces;
+}

 
 void GroupInterface::connectionsValidation(QStack<AbstractInterface*> *interfacetoValidate, QList<AbstractInterface*> *validatedInterfaces) throw(Exception) {
     cout << "group interface connection validation" << endl;
 
 void GroupInterface::connectionsValidation(QStack<AbstractInterface*> *interfacetoValidate, QList<AbstractInterface*> *validatedInterfaces) throw(Exception) {
     cout << "group interface connection validation" << endl;