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Diffstat (limited to 'src/aig/ntl/ntlTime.c')
-rw-r--r-- | src/aig/ntl/ntlTime.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/aig/ntl/ntlTime.c b/src/aig/ntl/ntlTime.c new file mode 100644 index 00000000..50f3d290 --- /dev/null +++ b/src/aig/ntl/ntlTime.c @@ -0,0 +1,128 @@ +/**CFile**************************************************************** + + FileName [ntlTime.c] + + SystemName [ABC: Logic synthesis and verification system.] + + PackageName [Netlist representation.] + + Synopsis [Creates timing manager.] + + Author [Alan Mishchenko] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - June 20, 2005.] + + Revision [$Id: ntlTime.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $] + +***********************************************************************/ + +#include "ntl.h" + +//////////////////////////////////////////////////////////////////////// +/// DECLARATIONS /// +//////////////////////////////////////////////////////////////////////// + +//////////////////////////////////////////////////////////////////////// +/// FUNCTION DEFINITIONS /// +//////////////////////////////////////////////////////////////////////// + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +float * Ntl_ManCreateDelayTable( Vec_Int_t * vDelays, int nIns, int nOuts ) +{ + float * pDelayTable, Delay; + int iIn, iOut, i, k; + assert( Vec_IntSize(vDelays) % 3 == 0 ); + pDelayTable = ALLOC( float, nIns * nOuts ); + memset( pDelayTable, 0, sizeof(float) * nIns * nOuts ); + Vec_IntForEachEntry( vDelays, iIn, i ) + { + iOut = Vec_IntEntry(vDelays, ++i); + Delay = Aig_Int2Float( Vec_IntEntry(vDelays, ++i) ); + if ( iIn == -1 && iOut == -1 ) + for ( k = 0; k < nIns * nOuts; k++ ) + pDelayTable[k] = Delay; + else if ( iIn == -1 ) + for ( k = 0; k < nIns; k++ ) + pDelayTable[iOut * nIns + k] = Delay; + else if ( iOut == -1 ) + for ( k = 0; k < nOuts; k++ ) + pDelayTable[k * nIns + iIn] = Delay; + else + pDelayTable[iOut * nIns + iIn] = Delay; + } + return pDelayTable; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Tim_Man_t * Ntl_ManCreateTiming( Ntl_Man_t * p ) +{ + Tim_Man_t * pMan; + Vec_Ptr_t * vDelayTables; + Ntl_Mod_t * pRoot, * pModel; + Ntl_Obj_t * pObj; + int i, curPi, iBox, Entry; + assert( p->pAig != NULL ); + pRoot = Vec_PtrEntry( p->vModels, 0 ); + // start the timing manager + pMan = Tim_ManStart( Aig_ManPiNum(p->pAig), Aig_ManPoNum(p->pAig) ); + // unpack the data in the arrival times + if ( pRoot->vArrivals ) + Vec_IntForEachEntry( pRoot->vArrivals, Entry, i ) + Tim_ManInitPiArrival( pMan, Entry, Aig_Int2Float(Vec_IntEntry(pRoot->vArrivals,++i)) ); + // unpack the data in the required times + if ( pRoot->vRequireds ) + Vec_IntForEachEntry( pRoot->vRequireds, Entry, i ) + Tim_ManInitPoRequired( pMan, Entry, Aig_Int2Float(Vec_IntEntry(pRoot->vRequireds,++i)) ); + // derive timing tables + vDelayTables = Vec_PtrAlloc( Vec_PtrSize(p->vModels) ); + Ntl_ManForEachModel( p, pModel, i ) + { + if ( pModel->vDelays ) + pModel->pDelayTable = Ntl_ManCreateDelayTable( pModel->vDelays, Ntl_ModelPiNum(pModel), Ntl_ModelPoNum(pModel) ); + Vec_PtrPush( vDelayTables, pModel->pDelayTable ); + } + Tim_ManSetDelayTables( pMan, vDelayTables ); + // set up the boxes + iBox = 0; + curPi = Ntl_ModelCiNum(pRoot); + Ntl_ManForEachBox( p, pObj, i ) + { + Tim_ManCreateBoxFirst( pMan, Vec_IntEntry(p->vBox1Cos, iBox), Ntl_ObjFaninNum(pObj), curPi, Ntl_ObjFanoutNum(pObj), pObj->pImplem->pDelayTable ); + curPi += Ntl_ObjFanoutNum(pObj); + iBox++; + } + // forget refs to the delay tables in the network + Ntl_ManForEachModel( p, pModel, i ) + pModel->pDelayTable = NULL; +// Tim_ManPrint( pMan ); + return pMan; +} + + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + + |