/**Function*************************************************************
Synopsis [Finalizes the timing manager after setting arr/req times.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkTimeInitialize( Abc_Ntk_t * pNtk, Abc_Ntk_t * pNtkOld )
{
Abc_Obj_t * pObj;
Abc_Time_t ** ppTimes, * pTime;
int i;
assert( pNtkOld == NULL || pNtkOld->pManTime != NULL );
assert( pNtkOld == NULL || Abc_NtkCiNum(pNtk) == Abc_NtkCiNum(pNtkOld) );
assert( pNtkOld == NULL || Abc_NtkCoNum(pNtk) == Abc_NtkCoNum(pNtkOld) );
if ( pNtk->pManTime == NULL )
return;
Abc_ManTimeExpand( pNtk->pManTime, Abc_NtkObjNumMax(pNtk), 0 );
// set global defaults
if ( pNtkOld )
{
pNtk->pManTime->tArrDef = pNtkOld->pManTime->tArrDef;
pNtk->pManTime->tReqDef = pNtkOld->pManTime->tReqDef;
pNtk->AndGateDelay = pNtkOld->AndGateDelay;
}
// set the default timing
ppTimes = (Abc_Time_t **)pNtk->pManTime->vArrs->pArray;
Abc_NtkForEachCi( pNtk, pObj, i )
{
pTime = ppTimes[pObj->Id];
if ( Abc_MaxFloat(pTime->Fall, pTime->Rise) != -ABC_INFINITY )
continue;
*pTime = pNtkOld ? *Abc_NodeReadArrival(Abc_NtkCi(pNtkOld, i)) : pNtk->pManTime->tArrDef;
}
void Abc_NtkTimeSetRequired( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall )
{
Vec_Ptr_t * vTimes;
Abc_Time_t * pTime;
if ( pNtk->pManTime == NULL )
pNtk->pManTime = Abc_ManTimeStart();
if ( pNtk->pManTime->tReqDef.Rise == Rise && pNtk->pManTime->tReqDef.Fall == Fall )
return;
Abc_ManTimeExpand( pNtk->pManTime, ObjId + 1, 1 );
// set the required time
vTimes = pNtk->pManTime->vReqs;
pTime = (Abc_Time_t *)vTimes->pArray[ObjId];
pTime->Rise = Rise;
pTime->Fall = Fall;
}
/**Function*************************************************************
Synopsis [Sets the arrival time for an object.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkTimeSetArrival( Abc_Ntk_t * pNtk, int ObjId, float Rise, float Fall )
{
Vec_Ptr_t * vTimes;
Abc_Time_t * pTime;
if ( pNtk->pManTime == NULL )
pNtk->pManTime = Abc_ManTimeStart();
if ( pNtk->pManTime->tArrDef.Rise == Rise && pNtk->pManTime->tArrDef.Fall == Fall )
return;
Abc_ManTimeExpand( pNtk->pManTime, ObjId + 1, 1 );
// set the arrival time
vTimes = pNtk->pManTime->vArrs;
pTime = vTimes->pArray[ObjId];
pTime->Rise = Rise;
pTime->Fall = Rise;
pTime->Worst = ABC_MAX( Rise, Fall );
}
/**Function*************************************************************
Synopsis [Finalizes the timing manager after setting arr/req times.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkTimeInitialize( Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pObj;
Abc_Time_t ** ppTimes, * pTime;
int i;
if ( pNtk->pManTime == NULL )
return;
Abc_ManTimeExpand( pNtk->pManTime, Abc_NtkObjNumMax(pNtk), 0 );
// set the default timing
ppTimes = (Abc_Time_t **)pNtk->pManTime->vArrs->pArray;
Abc_NtkForEachPi( pNtk, pObj, i )
{
pTime = ppTimes[pObj->Id];
if ( pTime->Worst != -ABC_INFINITY )
continue;
*pTime = pNtk->pManTime->tArrDef;
}
