131 lines
5.1 KiB
Python
131 lines
5.1 KiB
Python
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# This file is part of the Coriolis Software.
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# Copyright (c) Sorbonne Université 2014-2021, All Rights Reserved
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#
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# +-----------------------------------------------------------------+
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# | C O R I O L I S |
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# | C u m u l u s - P y t h o n T o o l s |
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# | |
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# | Author : Jean-Paul CHAPUT |
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# | E-mail : Jean-Paul.Chaput@lip6.fr |
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# | =============================================================== |
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# | Python : "./plugins/chip/vchannels.py" |
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# +-----------------------------------------------------------------+
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import sys
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from Hurricane import DbU
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from Hurricane import Point
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from Hurricane import Transformation
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from Hurricane import Box
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from Hurricane import Interval
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from Hurricane import Path
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from Hurricane import Occurrence
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from Hurricane import UpdateSession
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from Hurricane import Net
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from Hurricane import Contact
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from Hurricane import Horizontal
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from Hurricane import Vertical
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from Hurricane import Query
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import CRL
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import helpers
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from helpers import trace
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from helpers.io import ErrorMessage
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from helpers.io import WarningMessage
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from helpers.io import vprint
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from helpers import l, u, n
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import plugins
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import chip
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class VChannels ( object ):
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def __init__ ( self, cell ):
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self.gauge = chip.Configuration.GaugeConf()
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self.cell = cell
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self.vchannels = [ ]
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topAb = self.cell.getAbutmentBox()
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topTransf = Transformation()
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for occurrence in cell.getNonTerminalNetlistInstanceOccurrences():
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transf = occurrence.getPath().getTransformation()
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if transf != topTransf:
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raise ErrorMessage( 1, [ 'VChannels.__init__(): Transformation of non-terminal instances must be (0,0,ID),'
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, 'instead of %s.' % str(transf)
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, 'on %s' % str(occurrence) ] )
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ab = occurrence.getEntity().getMasterCell().getAbutmentBox()
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if ab != topAb:
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raise ErrorMessage( 1, [ 'VChannels.__init__(): Abutment box of non-terminal instances must be equal to the top level %s.' % str(topAb)
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, 'on %s' % str(occurrence) ] )
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return
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def addChannelAt ( self, x, width ):
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xMin = self.cell.getAbutmentBox().getXMin()
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xMax = self.cell.getAbutmentBox().getXMax()
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if x < xMin or x >= xMax:
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print( ErrorMessage( 1, [ 'VChannels.addChannelAt(): Attempt to add a channel outside abutment box, ignored.'
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, '({} must be included in [{}..{}]'.format( DbU.getValueString(x)
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, DbU.getValueString(xMin)
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, DbU.getValueString(xMax) ) ] ))
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return False
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for i in range(len(self.vchannels)):
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if self.vchannels[i][0] == x:
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print( ErrorMessage( 1, 'VChannels.addChannelAt(): Attempt to add a channel twice at position {}, ignored.' \
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.format(DbU.getValueString(x)) ))
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return False
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if self.vchannels[i][0] > x:
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self.vchannels.insert( i, (x,width) )
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return True
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self.vchannels.append( (x,width) )
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return True
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def getDeltaWidth ( self ):
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deltaWidth = 0
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for x,w in self.vchannels: deltaWidth += w
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return deltaWidth
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def expandChannels ( self ):
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UpdateSession.open()
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dw = self.getDeltaWidth()
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ab = self.cell.getAbutmentBox()
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ab.inflate( 0, 0, dw, 0 )
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self.cell.setAbutmentBox( ab )
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for occurrence in self.cell.getNonTerminalNetlistInstanceOccurrences():
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masterCell = occurrence.getEntity().getMasterCell()
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ab = masterCell.getAbutmentBox()
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ab.inflate( 0, 0, dw, 0 )
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masterCell.setAbutmentBox( ab )
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for occurrence in self.cell.getTerminalNetlistInstanceOccurrences():
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instance = occurrence.getEntity()
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transf = occurrence.getPath().getTransformation()
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instance.getTransformation().applyOn( transf )
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xcenter = transf.getTx() + instance.getMasterCell().getAbutmentBox().getXCenter()
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xshift = 0
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for x,w in self.vchannels:
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if x < xcenter: xshift += w
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else: break
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if xshift:
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baseTransf = instance.getTransformation()
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baseTransf = Transformation( baseTransf.getTx() + xshift
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, baseTransf.getTy()
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, baseTransf.getOrientation() )
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instance.setTransformation( baseTransf )
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UpdateSession.close()
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spaceMargin = (float(dw) * 100.0) / float(ab.getWidth())
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vprint( 1, ' - V-Channels space margin: {}%%.'.format(spaceMargin) )
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return
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