finished testbench generation

[blast.git] / FunctionalInterface.cpp

diff --git a/FunctionalInterface.cpp b/FunctionalInterface.cpp
index cc9f7658c7ab083b8fe2bfbb87cea71012e6d2c5..3a225c7c90e4f2b43805ec08ccfd72eeeaef9a44 100644 (file)
--- a/FunctionalInterface.cpp
+++ b/FunctionalInterface.cpp
@@ -5,7 +5,6 @@
 #include "FunctionalBlock.h"\r
 #include "GroupBlock.h"\r
 \r
 #include "FunctionalBlock.h"\r
 #include "GroupBlock.h"\r
 \r

-\r

 FunctionalInterface::FunctionalInterface(AbstractBlock* _owner, ReferenceInterface *_reference) throw(Exception) : ConnectedInterface(_owner) {\r
 \r
   if (_owner == NULL) throw(Exception(BLOCK_NULL));\r
 FunctionalInterface::FunctionalInterface(AbstractBlock* _owner, ReferenceInterface *_reference) throw(Exception) : ConnectedInterface(_owner) {\r
 \r
   if (_owner == NULL) throw(Exception(BLOCK_NULL));\r


@@ -17,11 +16,14 @@ FunctionalInterface::FunctionalInterface(AbstractBlock* _owner, ReferenceInterfa
   reference = _reference;\r
 \r
   name = reference->getName();\r
   reference = _reference;\r
 \r
   name = reference->getName();\r

-  width = reference->getWidth();\r
+  type = reference->getType();\r
+  endianess = reference->getEndianess();\r
+  width = reference->getWidthString();\r

   direction = reference->getDirection();\r
   direction = reference->getDirection();\r

-  purpose = reference->getPurpose();\r
-  level = reference->getLevel(); \r
+  purpose = reference->getPurpose();  \r

   connectedFrom = NULL;\r
   connectedFrom = NULL;\r

+  clkIfaceName = reference->getClockIfaceString();\r
+  clkIfaceType = reference->getClockIfaceType();\r

 }\r
 \r
 bool FunctionalInterface::isFunctionalInterface() {\r
 }\r
 \r
 bool FunctionalInterface::isFunctionalInterface() {\r


@@ -65,10 +67,10 @@ int FunctionalInterface::getInterfaceMultiplicity() {
     return -1;\r
   }\r
   else if ( reference->getMultiplicity() == -1) {\r
     return -1;\r
   }\r
   else if ( reference->getMultiplicity() == -1) {\r

-    return ifaceCount+1;\r
+    return ifaceCount;\r

   }\r
   }\r

-  else if ( reference->getMultiplicity() > ifaceCount) {\r
-    return ifaceCount+1;\r
+  else if ( ifaceCount < reference->getMultiplicity()) {\r
+    return ifaceCount;\r

   }\r
   return -1;\r
 }\r
   }\r
   return -1;\r
 }\r


@@ -77,16 +79,17 @@ AbstractInterface *FunctionalInterface::clone() {
   int id = getInterfaceMultiplicity();\r
   if (id < 0) return NULL;\r
   FunctionalInterface *inter = new FunctionalInterface(owner, reference);\r
   int id = getInterfaceMultiplicity();\r
   if (id < 0) return NULL;\r
   FunctionalInterface *inter = new FunctionalInterface(owner, reference);\r

-  inter->setWidth(width);\r
-  inter->setDirection(direction);\r
-  inter->setPurpose(purpose);\r
-  inter->setLevel(level);  \r
-  inter->connectFrom(NULL);\r
-  inter->setName(reference->getName()+"_"+QString::number(id));\r
+  inter->setWidth(width);  \r
+  inter->setName(reference->getName()+"_"+QString::number(id+1));\r

   return inter;\r
 }\r
 \r
   return inter;\r
 }\r
 \r

-bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {\r
+bool FunctionalInterface::canConnectTo(AbstractInterface *iface, bool testClock) {\r
+  static QString fctName = "FunctionalInterface::canConnectTo()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r
+\r

 \r
   /* NOTE :\r
      necessary conditions :\r
 \r
   /* NOTE :\r
      necessary conditions :\r


@@ -94,34 +97,80 @@ bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {
         - iface type must be functional or group interface\r
         - iface->connectedFrom must be NULL\r
 \r
         - iface type must be functional or group interface\r
         - iface->connectedFrom must be NULL\r
 \r

-     valid cases:\r
+     valid "normal" cases:\r

      1 - iface is owned by a block (group or func) that is within the same group as the block that own this\r
         1.1 - this is output and iface is input\r
         1.2 - both are inout\r
      2 - iface is owned by the parent group of the block that owns this\r
         2.1 - this is an output, iface is an output of the group\r
         2.2 - both are inout\r
      1 - iface is owned by a block (group or func) that is within the same group as the block that own this\r
         1.1 - this is output and iface is input\r
         1.2 - both are inout\r
      2 - iface is owned by the parent group of the block that owns this\r
         2.1 - this is an output, iface is an output of the group\r
         2.2 - both are inout\r

+     3 - this is owned by a source block and iface is owned by the top group\r
+\r
+     + if testClock is true, must test if both ifaces are in the same clock domain. Note that a group interface\r
+     has always\r
+     special case : clk/reset from clkrstgen can connect to stimuli clk/reset\r

 \r
   */\r
 \r
   */\r

+  bool ok = false;\r
+\r

   if (direction == Input) return false;\r
   if (iface->isReferenceInterface()) return false;\r
   if (direction == Input) return false;\r
   if (iface->isReferenceInterface()) return false;\r

-  if (iface->getConnectedFrom() != NULL) return false;\r
+  ConnectedInterface* connIface = AI_TO_CON(iface);\r
+  if (connIface->getConnectedFrom() != NULL) return false;\r
+\r
+  // special case, NB: never tests clocks\r
+  if ((getOwner()->getName().startsWith("clkrstgen")) && (iface->getOwner()->isStimuliBlock())) {\r
+    if ((direction == Output) && (iface->getDirection() == Input)) {\r
+      if ((purpose == AbstractInterface::Clock) && (iface->getPurpose() == AbstractInterface::Clock)) return true;\r
+      else if ((purpose == AbstractInterface::Reset) && (iface->getPurpose() == AbstractInterface::Reset)) return true;\r
+    }\r
+  }\r

 \r
 \r

+  // first case: interface of blocks within the same group\r

   if (getOwner()->getParent() == iface->getOwner()->getParent()) {\r
 \r
   if (getOwner()->getParent() == iface->getOwner()->getParent()) {\r
 \r

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

   }\r
   }\r

+  // second case: iface = interface of the group that contains owner of this\r

   else if (getOwner()->getParent() == iface->getOwner()) {\r
   else if (getOwner()->getParent() == iface->getOwner()) {\r

-    if ((direction == Output) && (iface->getDirection() == Output)) return true;\r
-    if ((direction == InOut) && (iface->getDirection() == InOut)) return true;\r
+    if ((direction == Output) && (iface->getDirection() == Output) && (purpose == iface->getPurpose())) ok = true;\r
+    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) ok = true;\r
+  }\r
+  else if ((getOwner()->isStimuliBlock()) && (iface->getOwner()->isTopGroupBlock())) {\r
+    if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) ok = true;\r

   }\r
 \r
   }\r
 \r

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

   return false;\r
 \r
 }\r
 \r
   return false;\r
 \r
 }\r
 \r

-bool FunctionalInterface::canConnectFrom(AbstractInterface *iface) {\r
+bool FunctionalInterface::canConnectFrom(AbstractInterface *iface, bool testClock) {\r
+\r
+  static QString fctName = "FunctionalInterface::canConnectFrom()";\r
+#ifdef DEBUG_FCTNAME\r
+  cout << "call to " << qPrintable(fctName) << endl;\r
+#endif\r

 \r
   /* NOTE :\r
      necessary conditions :\r
 \r
   /* NOTE :\r
      necessary conditions :\r


@@ -136,24 +185,99 @@ bool FunctionalInterface::canConnectFrom(AbstractInterface *iface) {
      2 - iface is owned by the parent group of the block that owns this\r
         2.1 - this is an input, iface is an input of the group\r
         2.2 - both are inout\r
      2 - iface is owned by the parent group of the block that owns this\r
         2.1 - this is an input, iface is an input of the group\r
         2.2 - both are inout\r

+\r
+     special case : clk/reset of stimuli can connect from clk/reset of clkrstgen\r

   */\r
   */\r

+  bool ok = false;\r
+\r

   if (direction == Output) return false;\r
   if (iface->isReferenceInterface()) return false;\r
   if (connectedFrom != NULL) return false;\r
 \r
   if (direction == Output) return false;\r
   if (iface->isReferenceInterface()) return false;\r
   if (connectedFrom != NULL) return false;\r
 \r

-  if (getOwner()->getParent() == iface->getOwner()->getParent()) {\r
+  // special case, NB: never tests clock\r
+  if ((iface->getOwner()->getName().startsWith("clkrstgen")) && (getOwner()->isStimuliBlock())) {\r
+    if ((direction == Input) && (iface->getDirection() == Output)) {\r
+      if ((purpose == AbstractInterface::Clock) && (iface->getPurpose() == AbstractInterface::Clock)) return true;\r
+      else if ((purpose == AbstractInterface::Reset) && (iface->getPurpose() == AbstractInterface::Reset)) return true;\r
+    }\r
+  }\r

 \r
 \r

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

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

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

   }\r
 \r
   return false;\r
 }\r
 \r
   }\r
 \r
   return false;\r
 }\r
 \r

+int FunctionalInterface::getClockDomain() throw(Exception) {\r
+\r
+  int idClock = -1;\r
+\r
+  FunctionalInterface* iface = NULL;\r
+  if (clkIfaceType == ClockName) {\r
+    iface = AI_TO_FUN(getClockIface());\r
+  }\r
+  else if ((direction == Input) && (purpose == Clock)) {\r
+    iface = this;\r
+  }\r
+\r
+  if ( iface != NULL) {\r
+\r
+    // if iface is a functional interface, it is connected to clkrstgen_X (in top group) or to ext_clk_X (in subgroup)\r
+    ConnectedInterface* connFrom = iface->getConnectedFrom();\r
+    if (connFrom == NULL) throw(Exception(IFACE_INVALID_CLKFREQ,this));\r
+\r
+    if (connFrom->getOwner()->isFunctionalBlock()) {\r
+      QString domName = connFrom->getOwner()->getName();\r
+      domName.remove(0,10);\r
+      cout << "conn from clkrstgen: searching for clkdomain in " << qPrintable(domName) << endl;\r
+\r
+      bool ok = true;\r
+      idClock = domName.toInt(&ok);\r
+      cout << "id clock = " << idClock << endl;\r
+      if (!ok) throw(Exception(IFACE_INVALID_CLKFREQ,this));\r
+    }\r
+    else if (connFrom->getOwner()->isGroupBlock()) {\r
+      QString domName = connFrom->getName();\r
+      domName.remove(0,8);\r
+      cout << "conn from group: searching for clkdomain in " << qPrintable(domName) << endl;\r
+\r
+      bool ok = true;\r
+      idClock = domName.toInt(&ok);\r
+      if (!ok) throw(Exception(IFACE_INVALID_CLKFREQ,this));\r
+    }\r
+    else {\r
+      cout << "abnormal case while searching for clkdomain" << endl;\r
+    }\r
+  }\r
+\r
+  return idClock;\r
+}\r
+\r

 \r
 void FunctionalInterface::connectionsValidation(QStack<AbstractInterface *> *interfacetoValidate, QList<AbstractInterface *> *validatedInterfaces) throw(Exception) {\r
 \r
 \r
 void FunctionalInterface::connectionsValidation(QStack<AbstractInterface *> *interfacetoValidate, QList<AbstractInterface *> *validatedInterfaces) throw(Exception) {\r
 \r