diff options
Diffstat (limited to 'src/map/fpga/fpgaUtils.c')
| -rw-r--r-- | src/map/fpga/fpgaUtils.c | 55 |
1 files changed, 52 insertions, 3 deletions
diff --git a/src/map/fpga/fpgaUtils.c b/src/map/fpga/fpgaUtils.c index a6a3b313..f4eefa8c 100644 --- a/src/map/fpga/fpgaUtils.c +++ b/src/map/fpga/fpgaUtils.c @@ -30,6 +30,7 @@ static int Fpga_MappingCompareOutputDelay( Fpga_Node_t ** ppNode1, Fpga_Node_t static void Fpga_MappingFindLatest( Fpga_Man_t * p, int * pNodes, int nNodesMax ); static void Fpga_DfsLim_rec( Fpga_Node_t * pNode, int Level, Fpga_NodeVec_t * vNodes ); static int Fpga_CollectNodeTfo_rec( Fpga_Node_t * pNode, Fpga_Node_t * pPivot, Fpga_NodeVec_t * vVisited, Fpga_NodeVec_t * vTfo ); +static Fpga_NodeVec_t * Fpga_MappingOrderCosByLevel( Fpga_Man_t * pMan ); static Fpga_Man_t * s_pMan = NULL; //////////////////////////////////////////////////////////////////////// @@ -50,9 +51,11 @@ static Fpga_Man_t * s_pMan = NULL; ***********************************************************************/ Fpga_NodeVec_t * Fpga_MappingDfs( Fpga_Man_t * pMan, int fCollectEquiv ) { - Fpga_NodeVec_t * vNodes; + Fpga_NodeVec_t * vNodes, * vNodesCo; Fpga_Node_t * pNode; int i; + // collect the CO nodes by level + vNodesCo = Fpga_MappingOrderCosByLevel( pMan ); // start the array vNodes = Fpga_NodeVecAlloc( 100 ); // collect the PIs @@ -63,12 +66,17 @@ Fpga_NodeVec_t * Fpga_MappingDfs( Fpga_Man_t * pMan, int fCollectEquiv ) pNode->fMark0 = 1; } // perform the traversal - for ( i = 0; i < pMan->nOutputs; i++ ) - Fpga_MappingDfs_rec( Fpga_Regular(pMan->pOutputs[i]), vNodes, fCollectEquiv ); +// for ( i = 0; i < pMan->nOutputs; i++ ) +// Fpga_MappingDfs_rec( Fpga_Regular(pMan->pOutputs[i]), vNodes, fCollectEquiv ); + for ( i = 0; i < vNodesCo->nSize; i++ ) + for ( pNode = vNodesCo->pArray[i]; pNode; pNode = (Fpga_Node_t *)pNode->pData0 ) + Fpga_MappingDfs_rec( pNode, vNodes, fCollectEquiv ); + // clean the node marks for ( i = 0; i < vNodes->nSize; i++ ) vNodes->pArray[i]->fMark0 = 0; // for ( i = 0; i < pMan->nOutputs; i++ ) // Fpga_MappingUnmark_rec( Fpga_Regular(pMan->pOutputs[i]) ); + Fpga_NodeVecFree( vNodesCo ); return vNodes; } @@ -930,6 +938,47 @@ void Fpga_ManReportChoices( Fpga_Man_t * pMan ) */ } +/**Function************************************************************* + + Synopsis [Returns the array of CO nodes sorted by level.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Fpga_NodeVec_t * Fpga_MappingOrderCosByLevel( Fpga_Man_t * pMan ) +{ + Fpga_Node_t * pNode; + Fpga_NodeVec_t * vNodes; + int i, nLevels; + // get the largest node + nLevels = Fpga_MappingMaxLevel( pMan ); + // allocate the array of nodes + vNodes = Fpga_NodeVecAlloc( nLevels + 1 ); + for ( i = 0; i <= nLevels; i++ ) + Fpga_NodeVecPush( vNodes, NULL ); + // clean the marks + for ( i = 0; i < pMan->nOutputs; i++ ) + Fpga_Regular(pMan->pOutputs[i])->fMark0 = 0; + // put the nodes into the structure + for ( i = 0; i < pMan->nOutputs; i++ ) + { + pNode = Fpga_Regular(pMan->pOutputs[i]); + if ( pNode->fMark0 ) + continue; + pNode->fMark0 = 1; + pNode->pData0 = (char *)Fpga_NodeVecReadEntry( vNodes, pNode->Level ); + Fpga_NodeVecWriteEntry( vNodes, pNode->Level, pNode ); + } + for ( i = 0; i < pMan->nOutputs; i++ ) + Fpga_Regular(pMan->pOutputs[i])->fMark0 = 0; + return vNodes; + +} + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// |