From c76453112ef38fceafc2a33949aa07224670e3e4 Mon Sep 17 00:00:00 2001
From: Jean-Paul Chaput <Jean-Paul.Chaput@lip6.fr>
Date: Wed, 2 Dec 2020 20:06:22 +0100
Subject: [PATCH] More explicit message for Pad unconnected pins.

---
 cumulus/src/plugins/alpha/chip/corona.py      | 19 ++++---------------
 .../src/plugins/alpha/core2chip/core2chip.py  |  4 ++--
 2 files changed, 6 insertions(+), 17 deletions(-)

diff --git a/cumulus/src/plugins/alpha/chip/corona.py b/cumulus/src/plugins/alpha/chip/corona.py
index c86fc70a..4d7e33bb 100644
--- a/cumulus/src/plugins/alpha/chip/corona.py
+++ b/cumulus/src/plugins/alpha/chip/corona.py
@@ -17,26 +17,15 @@ from   __future__ import print_function
 import bisect
 from   operator   import methodcaller  
 import Cfg        
-from   Hurricane  import DbU
-from   Hurricane  import Point
-from   Hurricane  import Interval
-from   Hurricane  import Box
-from   Hurricane  import Transformation
-from   Hurricane  import Path
-from   Hurricane  import Occurrence
-from   Hurricane  import Net
-from   Hurricane  import Contact
-from   Hurricane  import Horizontal
-from   Hurricane  import Vertical
-from   Hurricane  import Pad
+from   Hurricane  import DbU, Point, Interval, Box, Transformation,   \
+                         Path, Occurrence, Net, Contact, Horizontal,  \
+                         Vertical, Pad
 import CRL          
 from   CRL             import RoutingLayerGauge
 from   helpers         import trace
-from   helpers.io      import ErrorMessage
-from   helpers.io      import WarningMessage
+from   helpers.io      import ErrorMessage, WarningMessage
 from   helpers.overlay import UpdateSession
 import plugins      
-from   plugins         import StackedVia
 import plugins.alpha.chip
 from   plugins.alpha.block.bigvia import BigVia
 
diff --git a/cumulus/src/plugins/alpha/core2chip/core2chip.py b/cumulus/src/plugins/alpha/core2chip/core2chip.py
index 483854fb..cbe3efe5 100644
--- a/cumulus/src/plugins/alpha/core2chip/core2chip.py
+++ b/cumulus/src/plugins/alpha/core2chip/core2chip.py
@@ -629,8 +629,8 @@ class CoreToChip ( object ):
                     if netName is None: continue
                     coreNet = self.core.getNet( netName )
                     if not coreNet:
-                        raise ErrorMessage( 1, 'CoreToChip.buildChip(): "{}" doesn\'t have a "{}" net.' \
-                                               .format(self.core.getName(),netName) )
+                        raise ErrorMessage( 1, 'CoreToChip.buildChip(): Pad "{}" refer net "{}" which do not exist in core "{}".' \
+                                               .format(ioPadConf.instanceName,netName,self.core.getName()) )
                     ioNet = self.getIoNet( coreNet )
                     if ioPadConf.isBidir() or ioPadConf.isTristate():
                         if coreNet.getName() == ioPadConf.enableNetName: