finished testbench generation

[blast.git] / FunctionalInterface.cpp

diff --git a/FunctionalInterface.cpp b/FunctionalInterface.cpp
index 55f65ec48c076bb01ece044e5a35594c4e416245..3a225c7c90e4f2b43805ec08ccfd72eeeaef9a44 100644 (file)
--- a/FunctionalInterface.cpp
+++ b/FunctionalInterface.cpp
@@ -21,7 +21,9 @@ FunctionalInterface::FunctionalInterface(AbstractBlock* _owner, ReferenceInterfa
   width = reference->getWidthString();\r
   direction = reference->getDirection();\r
   purpose = reference->getPurpose();  \r
   width = reference->getWidthString();\r
   direction = reference->getDirection();\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


@@ -82,7 +84,12 @@ AbstractInterface *FunctionalInterface::clone() {
   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


@@ -99,14 +106,19 @@ bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {
         2.2 - both are inout\r
      3 - this is owned by a source block and iface is owned by the top group\r
 \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
      special case : clk/reset from clkrstgen can connect to stimuli clk/reset\r
 \r
   */\r

+  bool ok = false;\r
+\r

   if (direction == Input) return false;\r
   if (iface->isReferenceInterface()) return false;\r
   ConnectedInterface* connIface = AI_TO_CON(iface);\r
   if (connIface->getConnectedFrom() != NULL) return false;\r
   if (direction == Input) return false;\r
   if (iface->isReferenceInterface()) return false;\r
   ConnectedInterface* connIface = AI_TO_CON(iface);\r
   if (connIface->getConnectedFrom() != NULL) return false;\r

-  // special case\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
   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


@@ -117,23 +129,48 @@ bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {
   // first case: interface of blocks within the same group\r
   if (getOwner()->getParent() == iface->getOwner()->getParent()) {\r
 \r
   // first case: interface of blocks within the same group\r
   if (getOwner()->getParent() == iface->getOwner()->getParent()) {\r
 \r

-    if ((direction == Output) && (iface->getDirection() == Input) && (purpose == iface->getPurpose())) return true;\r
-    if ((direction == InOut) && (iface->getDirection() == InOut) && (purpose == iface->getPurpose())) 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
   // second case: iface = interface of the group that contains owner of this\r
   else if (getOwner()->getParent() == iface->getOwner()) {\r
   }\r
   // second case: iface = interface of the group that contains owner of this\r
   else if (getOwner()->getParent() == iface->getOwner()) {\r

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

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


@@ -151,11 +188,13 @@ bool FunctionalInterface::canConnectFrom(AbstractInterface *iface) {
 \r
      special case : clk/reset of stimuli can connect from clk/reset of clkrstgen\r
   */\r
 \r
      special case : clk/reset of stimuli can connect from clk/reset of clkrstgen\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

-  // special case\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
   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


@@ -163,14 +202,32 @@ bool FunctionalInterface::canConnectFrom(AbstractInterface *iface) {
     }\r
   }\r
 \r
     }\r
   }\r
 \r

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


@@ -195,21 +252,27 @@ int FunctionalInterface::getClockDomain() throw(Exception) {
     if (connFrom == NULL) throw(Exception(IFACE_INVALID_CLKFREQ,this));\r
 \r
     if (connFrom->getOwner()->isFunctionalBlock()) {\r
     if (connFrom == NULL) throw(Exception(IFACE_INVALID_CLKFREQ,this));\r
 \r
     if (connFrom->getOwner()->isFunctionalBlock()) {\r

-      QString name = connFrom->getOwner()->getName();\r
-      cout << "conn from clkrstgen: searching for clkdomain in " << qPrintable(name) << endl;\r
-      name.remove(0,10);\r
-      bool ok;\r
-      idClock = name.toInt(&ok);\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
       if (!ok) throw(Exception(IFACE_INVALID_CLKFREQ,this));\r
     }\r

-    else {\r
-      QString name = connFrom->getName();\r
-      cout << "conn from group: searching for clkdomain in " << qPrintable(name) << endl;\r
-      name.remove(0,8);\r
-      bool ok;\r
-      idClock = name.toInt(&ok);\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
       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
   return idClock;\r