Upgrading hierarchy timing manager.

1 files changed, 265 insertions, 0 deletions

diff --git a/src/misc/tim/timTime.c b/src/misc/tim/timTime.c
new file mode 100644
index 00000000..ddec4c62
--- /dev/null
+++ b/src/misc/tim/timTime.c
@@ -0,0 +1,265 @@
+/**CFile****************************************************************
+
+  FileName    [timTime.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Hierarchy/timing manager.]
+
+  Synopsis    [Setting and resetting timing information of the boxes.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - April 28, 2007.]
+
+  Revision    [$Id: timTime.c,v 1.00 2007/04/28 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "timInt.h"
+
+ABC_NAMESPACE_IMPL_START
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    [Initializes arrival time of the PI.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Tim_ManInitPiArrival( Tim_Man_t * p, int iPi, float Delay )
+{
+    assert( iPi < p->nCis );
+    p->pCis[iPi].timeArr = Delay;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Initializes required time of the PO.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Tim_ManInitPoRequired( Tim_Man_t * p, int iPo, float Delay )
+{
+    assert( iPo < p->nCos );
+    p->pCos[iPo].timeReq = Delay;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Sets arrival times of all PIs.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Tim_ManInitPiArrivalAll( Tim_Man_t * p, float Delay )
+{
+    Tim_Obj_t * pObj;
+    int i;
+    Tim_ManForEachPi( p, pObj, i )
+        Tim_ManInitPiArrival( p, i, Delay );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Sets required times of all POs.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Tim_ManInitPoRequiredAll( Tim_Man_t * p, float Delay )
+{
+    Tim_Obj_t * pObj;
+    int i;
+    Tim_ManForEachPo( p, pObj, i )
+        Tim_ManSetCoRequired( p, i, Delay );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Updates arrival time of the CO.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Tim_ManSetCoArrival( Tim_Man_t * p, int iCo, float Delay )
+{
+    assert( iCo < p->nCos );
+    assert( !p->fUseTravId || p->pCos[iCo].TravId != p->nTravIds );
+    p->pCos[iCo].timeArr = Delay;
+    p->pCos[iCo].TravId = p->nTravIds;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Updates required time of the CI.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Tim_ManSetCiRequired( Tim_Man_t * p, int iCi, float Delay )
+{
+    assert( iCi < p->nCis );
+    assert( !p->fUseTravId || p->pCis[iCi].TravId != p->nTravIds );
+    p->pCis[iCi].timeReq = Delay;
+    p->pCis[iCi].TravId = p->nTravIds;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Updates required time of the CO.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Tim_ManSetCoRequired( Tim_Man_t * p, int iCo, float Delay )
+{
+    assert( iCo < p->nCos );
+    assert( !p->fUseTravId || p->pCos[iCo].TravId != p->nTravIds );
+    p->pCos[iCo].timeReq = Delay;
+    p->pCos[iCo].TravId = p->nTravIds;
+}
+
+
+/**Function*************************************************************
+
+  Synopsis    [Returns CO arrival time.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+float Tim_ManGetCiArrival( Tim_Man_t * p, int iCi )
+{
+    Tim_Box_t * pBox;
+    Tim_Obj_t * pObjThis, * pObj, * pObjRes;
+    float * pTable, * pDelays, DelayBest;
+    int i, k;
+    // consider the already processed PI
+    pObjThis = Tim_ManCi( p, iCi );
+    if ( p->fUseTravId && pObjThis->TravId == p->nTravIds )
+        return pObjThis->timeArr;
+    pObjThis->TravId = p->nTravIds;
+    // consider the main PI
+    pBox = Tim_ManCiBox( p, iCi );
+    if ( pBox == NULL )
+        return pObjThis->timeArr;
+    // update box timing
+    pBox->TravId = p->nTravIds;
+    // get the arrival times of the inputs of the box (POs)
+    if ( p->fUseTravId )
+    Tim_ManBoxForEachInput( p, pBox, pObj, i )
+        if ( pObj->TravId != p->nTravIds )
+            printf( "Tim_ManGetCiArrival(): Input arrival times of the box are not up to date!\n" );
+    // compute the arrival times for each output of the box (PIs)
+    pTable = Tim_ManBoxDelayTable( p, pBox->iBox );
+    Tim_ManBoxForEachOutput( p, pBox, pObjRes, i )
+    {
+        pDelays = pTable + 3 + i * pBox->nInputs;
+        DelayBest = -TIM_ETERNITY;
+        Tim_ManBoxForEachInput( p, pBox, pObj, k )
+            DelayBest = Abc_MaxInt( DelayBest, pObj->timeArr + pDelays[k] );
+        pObjRes->timeArr = DelayBest;
+        pObjRes->TravId = p->nTravIds;
+    }
+    return pObjThis->timeArr;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Returns CO required time.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+float Tim_ManGetCoRequired( Tim_Man_t * p, int iCo )
+{
+    Tim_Box_t * pBox;
+    Tim_Obj_t * pObjThis, * pObj, * pObjRes;
+    float * pTable, * pDelays, DelayBest;
+    int i, k;
+    // consider the already processed PO
+    pObjThis = Tim_ManCo( p, iCo );
+    if ( p->fUseTravId && pObjThis->TravId == p->nTravIds )
+        return pObjThis->timeReq;
+    pObjThis->TravId = p->nTravIds;
+    // consider the main PO
+    pBox = Tim_ManCoBox( p, iCo );
+    if ( pBox == NULL )
+        return pObjThis->timeReq;
+    // update box timing
+    pBox->TravId = p->nTravIds;
+    // get the required times of the outputs of the box (PIs)
+    if ( p->fUseTravId )
+    Tim_ManBoxForEachOutput( p, pBox, pObj, i )
+        if ( pObj->TravId != p->nTravIds )
+            printf( "Tim_ManGetCoRequired(): Output required times of output %d the box %d are not up to date!\n", i, pBox->iBox );
+    // compute the required times for each input of the box (POs)
+    pTable = Tim_ManBoxDelayTable( p, pBox->iBox );
+    Tim_ManBoxForEachInput( p, pBox, pObjRes, i )
+    {
+        DelayBest = TIM_ETERNITY;
+        Tim_ManBoxForEachOutput( p, pBox, pObj, k )
+        {
+            pDelays = pTable + 3 + k * pBox->nInputs;
+            DelayBest = Abc_MinFloat( DelayBest, pObj->timeReq - pDelays[i] );
+        }
+        pObjRes->timeReq = DelayBest;
+        pObjRes->TravId = p->nTravIds;
+    }
+    return pObjThis->timeReq;
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+
+ABC_NAMESPACE_IMPL_END
+