100 lines
3.5 KiB
Python
100 lines
3.5 KiB
Python
#!/usr/bin/env python
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#
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# This file is part of the Coriolis Software.
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# Copyright (c) SU 2021-2021, 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/checks.py" |
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# +-----------------------------------------------------------------+
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from __future__ import print_function
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import sys
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import traceback
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import os.path
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try:
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import Cfg
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import CRL
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import helpers
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from helpers.io import ErrorMessage
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from helpers.io import WarningMessage
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import plugins
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from Hurricane import Net, Plug
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except Exception, e:
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helpers.io.catch( e )
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sys.exit(2)
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def oneDriver ( cell ):
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"""
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Checks that all nets have *one and only one* driver.
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"""
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print( ' o Checks that all nets have exactly one drivers on "{}"'.format(cell.getName()) )
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for net in cell.getNets():
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if net.isGlobal() or net.isSupply():
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continue
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drivers = []
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if net.isExternal():
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if net.getDirection() & Net.Direction.IN:
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drivers.append( net )
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elif net.getDirection() & Net.Direction.OUT:
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pass
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else:
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print( WarningMessage( [ 'checks.oneDriver(): External net without direction.'
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, '{}'.format(net) ] ))
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for plug in net.getPlugs():
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masterNet = plug.getMasterNet()
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if masterNet.getDirection() & Net.Direction.OUT:
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drivers.append( plug )
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#for pin in net.getPins():
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# if len(drivers) == 0:
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# drivers.append( pin )
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if len(drivers) == 0:
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print( WarningMessage( 'checks.oneDriver(): "{}" has no driver.'.format(net.getName()) ) )
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elif len(drivers) > 1:
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message = [ 'checks.oneDriver(): "{}" has more than one drivers.'.format(net.getName()) ]
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for driver in drivers:
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if isinstance(driver,Plug):
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message.append( '* {} {}'.format(driver,driver.getMasterNet()) )
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else:
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message.append( '* {}'.format(driver) )
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print( WarningMessage( message ))
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return
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# --------------------------------------------------------------------
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# Plugin hook functions, unicornHook:menus, ScritMain:call
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def unicornHook ( **kw ):
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"""Hook up rsave plugin into Unicorn/CGT menu tree."""
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plugins.kwUnicornHook( 'tools.checks'
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, 'Netlist Checks'
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, 'Perform coherency checks on the netlist'
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, sys.modules[__name__].__file__
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, **kw
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)
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return
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def scriptMain ( **kw ):
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"""Called when run as a stand alone script through Unicorn/CGT."""
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try:
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#helpers.setTraceLevel( 550 )
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cell, editor = plugins.kwParseMain( **kw )
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if not cell:
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print( WarningMessage( 'No Cell loaded in the editor (yet), nothing done.' ) )
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return 0
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oneDriver( cell )
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except Exception, e:
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helpers.io.catch( e )
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sys.stdout.flush()
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sys.stderr.flush()
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return 0
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