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Enabling user-specified required times in 'map'.

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Alan Mishchenko
2012-03-02 13:50:28 -08:00
parent a0933b1643
commit eb4aa42577
10 changed files with 200 additions and 30 deletions
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src/map/mapper/mapperTime.c
+12 -2
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@@ -231,7 +231,7 @@ void Map_TimeComputeRequiredGlobal( Map_Man_t * p )
***********************************************************************/
void Map_TimeComputeRequired( Map_Man_t * p, float fRequired )
{
Map_Time_t * ptTime;
Map_Time_t * ptTime, * ptTimeA;
int fPhase, i;
// clean the required times
@@ -250,7 +250,17 @@ void Map_TimeComputeRequired( Map_Man_t * p, float fRequired )
{
fPhase = !Map_IsComplement(p->pOutputs[i]);
ptTime = Map_Regular(p->pOutputs[i])->tRequired + fPhase;
ptTime->Rise = ptTime->Fall = ptTime->Worst = fRequired;
ptTimeA = Map_Regular(p->pOutputs[i])->tArrival + fPhase;
// if external required time can be achieved, use it
if ( p->pOutputRequireds && p->pOutputRequireds[i].Worst > 0 && ptTimeA->Worst <= p->pOutputRequireds[i].Worst && p->pOutputRequireds[i].Worst <= fRequired )
ptTime->Rise = ptTime->Fall = ptTime->Worst = p->pOutputRequireds[i].Worst;
// if external required cannot be achieved, set the earliest possible arrival time
else if ( p->pOutputRequireds && p->pOutputRequireds[i].Worst > 0 && ptTimeA->Worst > p->pOutputRequireds[i].Worst )
ptTime->Rise = ptTime->Fall = ptTime->Worst = ptTimeA->Worst;
// otherwise, set the global required time
else
ptTime->Rise = ptTime->Fall = ptTime->Worst = fRequired;
}
// sorts the nodes in the decreasing order of levels