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/**CFile****************************************************************
FileName [timTrav.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Hierarchy/timing manager.]
Synopsis [Manipulation of traversal IDs.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - April 28, 2007.]
Revision [$Id: timTrav.c,v 1.00 2007/04/28 00:00:00 alanmi Exp $]
***********************************************************************/
#include "timInt.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Increments the trav ID of the manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Tim_ManIncrementTravId( Tim_Man_t * p )
{
int i;
if ( p->nTravIds >= (1<<30)-1 )
{
p->nTravIds = 0;
for ( i = 0; i < p->nCis; i++ )
p->pCis[i].TravId = 0;
for ( i = 0; i < p->nCos; i++ )
p->pCos[i].TravId = 0;
}
assert( p->nTravIds < (1<<30)-1 );
p->nTravIds++;
}
/**Function*************************************************************
Synopsis [Label box inputs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Tim_ManSetCurrentTravIdBoxInputs( Tim_Man_t * p, int iBox )
{
Tim_Box_t * pBox;
Tim_Obj_t * pObj;
int i;
pBox = Tim_ManBox( p, iBox );
Tim_ManBoxForEachInput( p, pBox, pObj, i )
pObj->TravId = p->nTravIds;
}
/**Function*************************************************************
Synopsis [Label box outputs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Tim_ManSetCurrentTravIdBoxOutputs( Tim_Man_t * p, int iBox )
{
Tim_Box_t * pBox;
Tim_Obj_t * pObj;
int i;
pBox = Tim_ManBox( p, iBox );
Tim_ManBoxForEachOutput( p, pBox, pObj, i )
pObj->TravId = p->nTravIds;
}
/**Function*************************************************************
Synopsis [Label box inputs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Tim_ManSetPreviousTravIdBoxInputs( Tim_Man_t * p, int iBox )
{
Tim_Box_t * pBox;
Tim_Obj_t * pObj;
int i;
pBox = Tim_ManBox( p, iBox );
Tim_ManBoxForEachInput( p, pBox, pObj, i )
pObj->TravId = p->nTravIds - 1;
}
/**Function*************************************************************
Synopsis [Label box outputs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Tim_ManSetPreviousTravIdBoxOutputs( Tim_Man_t * p, int iBox )
{
Tim_Box_t * pBox;
Tim_Obj_t * pObj;
int i;
pBox = Tim_ManBox( p, iBox );
Tim_ManBoxForEachOutput( p, pBox, pObj, i )
pObj->TravId = p->nTravIds - 1;
}
/**Function*************************************************************
Synopsis [Updates required time of the CI.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Tim_ManIsCiTravIdCurrent( Tim_Man_t * p, int iCi )
{
assert( iCi < p->nCis );
assert( p->fUseTravId );
return p->pCis[iCi].TravId == p->nTravIds;
}
/**Function*************************************************************
Synopsis [Updates required time of the CO.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Tim_ManIsCoTravIdCurrent( Tim_Man_t * p, int iCo )
{
assert( iCo < p->nCos );
assert( p->fUseTravId );
return p->pCos[iCo].TravId == p->nTravIds;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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