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/**CFile****************************************************************
FileName [timBox.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Hierarchy/timing manager.]
Synopsis [Manipulation of timing boxes.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - April 28, 2007.]
Revision [$Id: timBox.c,v 1.00 2007/04/28 00:00:00 alanmi Exp $]
***********************************************************************/
#include "timInt.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Creates the new timing box.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Tim_ManCreateBox( Tim_Man_t * p, int firstIn, int nIns, int firstOut, int nOuts, int iDelayTable )
{
Tim_Box_t * pBox;
int i;
if ( p->vBoxes == NULL )
p->vBoxes = Vec_PtrAlloc( 100 );
pBox = (Tim_Box_t *)Mem_FlexEntryFetch( p->pMemObj, sizeof(Tim_Box_t) + sizeof(int) * (nIns+nOuts) );
memset( pBox, 0, sizeof(Tim_Box_t) );
pBox->iBox = Vec_PtrSize( p->vBoxes );
Vec_PtrPush( p->vBoxes, pBox );
pBox->iDelayTable = iDelayTable;
pBox->nInputs = nIns;
pBox->nOutputs = nOuts;
for ( i = 0; i < nIns; i++ )
{
assert( firstIn+i < p->nCos );
pBox->Inouts[i] = firstIn+i;
p->pCos[firstIn+i].iObj2Box = pBox->iBox;
p->pCos[firstIn+i].iObj2Num = i;
}
for ( i = 0; i < nOuts; i++ )
{
assert( firstOut+i < p->nCis );
pBox->Inouts[nIns+i] = firstOut+i;
p->pCis[firstOut+i].iObj2Box = pBox->iBox;
p->pCis[firstOut+i].iObj2Num = i;
}
// if ( pBox->iBox < 20 )
// printf( "%4d %4d %4d %4d \n", firstIn, nIns, firstOut, nOuts );
}
/**Function*************************************************************
Synopsis [Returns the box number for the given input.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Tim_ManBoxForCi( Tim_Man_t * p, int iCi )
{
if ( iCi >= p->nCis )
return -1;
return p->pCis[iCi].iObj2Box;
}
/**Function*************************************************************
Synopsis [Returns the box number for the given output.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Tim_ManBoxForCo( Tim_Man_t * p, int iCo )
{
if ( iCo >= p->nCos )
return -1;
return p->pCos[iCo].iObj2Box;
}
/**Function*************************************************************
Synopsis [Returns the first input of the box.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Tim_ManBoxInputFirst( Tim_Man_t * p, int iBox )
{
Tim_Box_t * pBox = (Tim_Box_t *)Vec_PtrEntry( p->vBoxes, iBox );
return pBox->Inouts[0];
}
/**Function*************************************************************
Synopsis [Returns the first input of the box.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Tim_ManBoxOutputFirst( Tim_Man_t * p, int iBox )
{
Tim_Box_t * pBox = (Tim_Box_t *)Vec_PtrEntry( p->vBoxes, iBox );
return pBox->Inouts[pBox->nInputs];
}
/**Function*************************************************************
Synopsis [Returns the first input of the box.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Tim_ManBoxInputNum( Tim_Man_t * p, int iBox )
{
Tim_Box_t * pBox = (Tim_Box_t *)Vec_PtrEntry( p->vBoxes, iBox );
return pBox->nInputs;
}
/**Function*************************************************************
Synopsis [Returns the first input of the box.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Tim_ManBoxOutputNum( Tim_Man_t * p, int iBox )
{
Tim_Box_t * pBox = (Tim_Box_t *)Vec_PtrEntry( p->vBoxes, iBox );
return pBox->nOutputs;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
float * Tim_ManBoxDelayTable( Tim_Man_t * p, int iBox )
{
Tim_Box_t * pBox = (Tim_Box_t *)Vec_PtrEntry( p->vBoxes, iBox );
if ( pBox->iDelayTable < 0 )
return NULL;
return (float *)Vec_PtrEntry( p->vDelayTables, pBox->iDelayTable );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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