* ./alliance/src/nero :

- New feature : explicit selection of nets to route.
   - Patch for gcc 4.3 (from Thibault North).
   - Bug correction from G. Petley on "yoffset" in mbksave.

alliance/src/nero/src/ADefs.h

@@ -1,7 +1,7 @@
 
 // -*- C++ -*-
 //
-// $Id: ADefs.h,v 1.3 2002/10/29 18:46:03 jpc Exp $
+// $Id: ADefs.h,v 1.4 2008/06/11 09:20:34 jpc Exp $
 //
 // /-----------------------------------------------------------------\ 
 // |                                                                 |
@@ -138,7 +138,7 @@
 
       // Allocators.
       private: static void *operator new    (size_t size);
-      private: static void  operator delete (void *zone);
+      public: static void  operator delete (void *zone);
       public:  static void *operator new    (size_t size, CNodeASSet &NS);
 
       // Modifiers.

alliance/src/nero/src/MDefs.h

@@ -1,7 +1,7 @@
 
 // -*- C++ -*-
 //
-// $Id: MDefs.h,v 1.8 2005/10/10 15:34:05 jpc Exp $
+// $Id: MDefs.h,v 1.9 2008/06/11 09:20:34 jpc Exp $
 //
 // /-----------------------------------------------------------------\ 
 // |                                                                 |
@@ -25,6 +25,8 @@
 
 
 # include  "UDefs.h"
+# include <limits.h>
+# include <string.h>
 
 
 

alliance/src/nero/src/MMBK.cpp

@@ -1,7 +1,7 @@
 
 // -*- C++ -*-
 //
-// $Id: MMBK.cpp,v 1.8 2005/10/17 23:11:05 jpc Exp $
+// $Id: MMBK.cpp,v 1.9 2008/06/11 09:20:34 jpc Exp $
 //
 // /-----------------------------------------------------------------\ 
 // |                                                                 |
@@ -468,7 +468,6 @@ ostream &operator<< (ostream &o, const CEnv &self)
 CLofig::CLofig (string &name)
 {
   loins_list *pLoins;
-  losig_list *pLosig;
 
 
   cmess1 << "  o  Loading netlist \"" << name << "\"...\n";
@@ -478,11 +477,6 @@ CLofig::CLofig (string &name)
   for (pLoins = fig->LOINS; pLoins != NULL; pLoins = pLoins->NEXT) {
     instances[pLoins->INSNAME] = pLoins;
   }
-
-  // Build the signal dictionnary.
-  for (pLosig = fig->LOSIG; pLosig != NULL; pLosig = pLosig->NEXT) {
-    signals[getsigname(pLosig)] = pLosig;
-  }
 }
 
 
@@ -505,6 +499,8 @@ CLofig::~CLofig (void)
 void CLofig::rflatten (char concat, char catal)
 {
   loins_list *pLoins;
+  losig_list *pLosig;
+  chain_list *pChain;
 
 
   cmess2 << "  o  Flattening netlist...\n";
@@ -515,6 +511,15 @@ void CLofig::rflatten (char concat, char catal)
   for (pLoins = fig->LOINS; pLoins != NULL; pLoins = pLoins->NEXT) {
     instances[pLoins->INSNAME] = pLoins;
   }
+
+  // Build the signal dictionnary.
+  // Load all name aliases.
+  for (pLosig = fig->LOSIG; pLosig != NULL; pLosig = pLosig->NEXT) {
+    //signals[getsigname(pLosig)] = pLosig;
+    for (pChain = pLosig->NAMECHAIN ; pChain !=NULL; pChain = pChain->NEXT) {
+      signals[(char*)pChain->DATA] = pLosig;
+    }
+  }
 }
 
 

alliance/src/nero/src/RDefs.h

@@ -1,7 +1,7 @@
 
 // -*- C++ -*-
 //
-// $Id: RDefs.h,v 1.4 2005/10/10 15:34:06 jpc Exp $
+// $Id: RDefs.h,v 1.5 2008/06/11 09:20:34 jpc Exp $
 //
 // /-----------------------------------------------------------------\ 
 // |                                                                 |
@@ -70,7 +70,8 @@
                           , int zup
                           , int rtype
                           , bool halfpitch
-                          , bool rotate );
+                          , bool rotate
+                          , set<string>* subNetList=NULL );
     public: void  mbksave (string &name) throw (except_done);
     public: void  route   (void);
 

alliance/src/nero/src/RMBK.cpp

@@ -1,7 +1,7 @@
 
 // -*- C++ -*-
 //
-// $Id: RMBK.cpp,v 1.16 2006/04/12 16:33:00 jpc Exp $
+// $Id: RMBK.cpp,v 1.17 2008/06/11 09:20:34 jpc Exp $
 //
 //  /----------------------------------------------------------------\ 
 //  |                                                                |
@@ -38,10 +38,12 @@ void  CRBox::mbkload (MBK::CFig *mbkfig
                      , int zup
                      , int rtype
                      , bool halfpitch
-                     , bool rotate )
+                     , bool rotate
+                     , set<string>* subNetList )
 {
     MBK::MIns::iterator   itIns, endInstances, endOrphans;
   MBK::MLosig::iterator   endSig;
+  MBK::MLosig::iterator   sig;
                    long   mX, mY, mZ, x, y, zz, xadjust, yadjust, yoffsetslice;
                    long   XRW1, YRW1, XRW2, YRW2;
                    bool   use_global;
@@ -327,7 +329,8 @@ void  CRBox::mbkload (MBK::CFig *mbkfig
     }
 
     // Partially routed signals.
-    if (fig->lofig.signals.find(pSeg->NAME) == endSig) {
+    sig = fig->lofig.signals.find(pSeg->NAME);
+    if ( sig == endSig) {
       cerr << hwarn ("")
            << "  The segment \"" << pSeg->NAME << "\" at ("
            << MBK::UNSCALE (pSeg->X1) << ","
@@ -340,7 +343,7 @@ void  CRBox::mbkload (MBK::CFig *mbkfig
       continue;
     }
 
-    pNet = getnet (pSeg->NAME);
+    pNet = getnet (getsigname(sig->second));
     if ( !pNet->fixed ) {
       cmess2 << "     o  Signal " << pNet->name << " is assumed to be routed.\n";
       pNet->fixed = true;
@@ -542,6 +545,17 @@ void  CRBox::mbkload (MBK::CFig *mbkfig
     cdebug << "+            " << pNet->bb << ".\n";
   } // End of "pSig" (signal) loop.
 
+  // Restrict routed nets to the subNetList.
+  if ( subNetList ) {
+    for ( MNet::iterator it=nets.begin() ; it != nets.end() ; it++ ) {
+      if ( subNetList->find(it->first) != subNetList->end() ) {
+        cmess2 << "     o  Restricting nets to route.\n";
+        cmess2 << "        - \"" << it->first << "\".\n";
+      } else
+        it->second->fixed = true;
+    }
+  }
+
 
   // Allocate the net scheduler.
   cmess2 << "     o  Allocating the net scheduler.\n";
@@ -579,7 +593,7 @@ void  CRBox::mbkload (MBK::CFig *mbkfig
   }
 
   // Bottom & top horizontal edges.
-  if ( xadjust == 0 ) {
+  if ( yadjust == 0 ) {
     for (y = 0; y < mY; y += mY - 1) {
       for (x = 0; x < mX; x++) {
         for (zz = 1; zz < mZ; zz++) {

alliance/src/nero/src/nero.cpp

@@ -1,7 +1,7 @@
 
 // -*- C++ -*-
 //
-// $Id: nero.cpp,v 1.11 2006/04/12 16:33:00 jpc Exp $
+// $Id: nero.cpp,v 1.12 2008/06/11 09:20:35 jpc Exp $
 //
 //  /----------------------------------------------------------------\ 
 //  |                                                                |
@@ -79,6 +79,8 @@ static void help (void)
        << "     [-6|--layers-6]     := Use only 6 routing layers.\n"
        << "     [-G|--global]       := Force use of global routing.\n"
        << "     [-L|--local]        := Disable use of global routing.\n"
+       << "     [-N]--netset <netset>]   :=\n"
+       << "         Route only this subset of nets.\n"
        << "     [-p|--place <placement>] :=\n"
        << "         Name of the layout file holding the placement, without\n"
        << "         extention. If ommited the layout file is assumed to have\n"
@@ -96,7 +98,7 @@ static void help (void)
 
 static void serial (void)
 {
-  cout << "                                S/N 20051017.1\n";
+  cout << "                                S/N 20080611.1\n";
 }
 
 
@@ -136,10 +138,11 @@ void emergency (void)
 
 int  main (int argc, char *argv[])
 {
-  COpts       options;
+  COpts        options;
-  MBK::CFig  *fig;
+  MBK::CFig   *fig;
-  string      name_lofig, name_placed, name_routed;
+  string       name_lofig, name_placed, name_routed;
-  int         layers, global;
+  int          layers, global;
+  set<string>* netSet = NULL;
 
 
   try {
@@ -157,6 +160,7 @@ int  main (int argc, char *argv[])
     options.add ("G", "global");
     options.add ("L", "local");
     options.add ("p", "place", true);
+    options.add ("N", "netset", true);
     options.getopts (argc, argv);
 
     if (options["c"]->parsed) interrupt.coredump = true;
@@ -200,6 +204,25 @@ int  main (int argc, char *argv[])
       name_placed = name_lofig;
     }
 
+    if (options["N"]->parsed) {
+      string fileNetSet = options["N"]->value;
+      cout << "File: " << fileNetSet << endl;
+      FILE* file = fopen ( fileNetSet.c_str(), "r" );
+      if ( file ) {
+        cout << "File Sucessfully opened." << endl;
+        netSet = new set<string>();
+        char buffer[2048];
+        while ( !feof(file) ) {
+          fgets ( buffer, 2048, file );
+          size_t length = strlen(buffer);
+          if ( buffer[length-1] == '\n' )
+            buffer[length-1] = '\0';
+          netSet->insert ( buffer );
+        }
+        fclose ( file );
+      }
+    }
+
     layers = 3;
     if (options["2"]->parsed) layers = 3;
     if (options["3"]->parsed) layers = 4;
@@ -226,10 +249,13 @@ int  main (int argc, char *argv[])
                    , 4
                    , global
                    , options["H"]->parsed
-                   , options["R"]->parsed );
+                   , options["R"]->parsed
+                   , netSet );
     //cdebug.off ();
     crbox->route ();
     crbox->mbksave (name_routed);
+
+    if ( netSet ) delete netSet;
   }