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/**CFile****************************************************************
FileName [cbaBlast.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Verilog parser.]
Synopsis [Parses several flavors of word-level Verilog.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - November 29, 2014.]
Revision [$Id: cbaBlast.c,v 1.00 2014/11/29 00:00:00 alanmi Exp $]
***********************************************************************/
#include "cba.h"
#include "base/abc/abc.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Cba_ManExtractSave( Cba_Man_t * p, int iLNtk, int iLObj, int iRNtk, int iRObj )
{
Vec_IntPush( p->vBuf2LeafNtk, iLNtk );
Vec_IntPush( p->vBuf2LeafObj, iLObj );
Vec_IntPush( p->vBuf2RootNtk, iRNtk );
Vec_IntPush( p->vBuf2RootObj, iRObj );
}
int Cba_ManExtract_rec( Gia_Man_t * pNew, Cba_Ntk_t * p, int i )
{
int iRes = Cba_NtkCopy( p, i );
if ( iRes >= 0 )
return iRes;
if ( Cba_ObjIsCo(p, i) )
iRes = Cba_ManExtract_rec( pNew, p, Cba_ObjFanin0(p, i) );
else if ( Cba_ObjIsBo(p, i) )
{
Cba_Ntk_t * pBox = Cba_ObjBoModel( p, i );
int iObj = Cba_NtkPo( pBox, Cba_ObjCioIndex(p, i) );
iRes = Cba_ManExtract_rec( pNew, pBox, iObj );
iRes = Gia_ManAppendBuf( pNew, iRes );
Cba_ManExtractSave( p->pDesign, Cba_NtkId(p), i, Cba_NtkId(pBox), iObj );
}
else if ( Cba_ObjIsPi(p, i) )
{
Cba_Ntk_t * pHost = Cba_NtkHost( p );
int iObj = Cba_ObjBoxBi( pHost, p->iBoxObj, Cba_ObjCioIndex(p, i) );
iRes = Cba_ManExtract_rec( pNew, pHost, iObj );
iRes = Gia_ManAppendBuf( pNew, iRes );
Cba_ManExtractSave( p->pDesign, Cba_NtkId(p), i, Cba_NtkId(pHost), iObj );
}
else if ( Cba_ObjIsNode(p, i) )
{
int * pFanins = Cba_ObjFaninArray(p, i);
int k, pLits[3], Type = Cba_ObjNodeType(p, i);
assert( pFanins[0] <= 3 );
for ( k = 0; k < pFanins[0]; k++ )
pLits[k] = Cba_ManExtract_rec( pNew, p, pFanins[k+1] );
if ( Type == CBA_NODE_AND )
iRes = Gia_ManHashAnd( pNew, pLits[0], pLits[1] );
else if ( Type == CBA_NODE_OR )
iRes = Gia_ManHashAnd( pNew, pLits[0], pLits[1] );
else if ( Type == CBA_NODE_XOR )
iRes = Gia_ManHashXor( pNew, pLits[0], pLits[1] );
else if ( Type == CBA_NODE_XNOR )
iRes = Abc_LitNot( Gia_ManHashXor( pNew, pLits[0], pLits[1] ) );
else assert( 0 ), iRes = -1;
}
else assert( 0 );
Cba_NtkSetCopy( p, i, iRes );
return iRes;
}
Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fVerbose )
{
Cba_Ntk_t * pRoot = Cba_ManRoot(p);
Gia_Man_t * pNew, * pTemp;
int i, iObj;
p->vBuf2LeafNtk = Vec_IntAlloc( 1000 );
p->vBuf2LeafObj = Vec_IntAlloc( 1000 );
p->vBuf2RootNtk = Vec_IntAlloc( 1000 );
p->vBuf2RootObj = Vec_IntAlloc( 1000 );
// start the manager
pNew = Gia_ManStart( Cba_ManObjNum(p) );
pNew->pName = Abc_UtilStrsav(p->pName);
pNew->pSpec = Abc_UtilStrsav(p->pSpec);
Vec_IntFill( &p->vCopies, Cba_ManObjNum(p), -1 );
Cba_NtkForEachPi( pRoot, iObj, i )
Cba_NtkSetCopy( pRoot, iObj, Gia_ManAppendCi(pNew) );
Cba_NtkForEachPo( pRoot, iObj, i )
Cba_ManExtract_rec( pNew, pRoot, iObj );
Cba_NtkForEachPo( pRoot, iObj, i )
Gia_ManAppendCo( pNew, Cba_NtkCopy(pRoot, iObj) );
assert( Vec_IntSize(p->vBuf2LeafNtk) == pNew->nBufs );
// cleanup
pNew = Gia_ManCleanup( pTemp = pNew );
Gia_ManStop( pTemp );
// Gia_ManPrintStats( pNew, NULL );
// pNew = Gia_ManSweepHierarchy( pTemp = pNew );
// Gia_ManStop( pTemp );
// Gia_ManPrintStats( pNew, NULL );
return pNew;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
// return the array of object counters for each network
void Cba_ManCountNodes_rec( Cba_Man_t * p, Abc_Obj_t * pObj, int iNtk, Vec_Int_t * vObjCounts, Vec_Int_t * vBufDrivers, Vec_Int_t * vObj2Ntk, Vec_Int_t * vObj2Obj )
{
if ( Abc_ObjIsBarBuf(pObj) )
{
Abc_Obj_t * pFanin = Abc_ObjFanin0(pObj);
if ( Abc_ObjIsPi(pFanin) || (Abc_ObjIsNode(pFanin) && Abc_ObjFaninNum(pFanin) > 0) )
Vec_IntAddToEntry( vBufDrivers, iNtk, 1 );
Cba_ManCountNodes_rec( p, Abc_ObjFanin0(pObj), pObj->iTemp, vObjCounts, vBufDrivers, vObj2Ntk, vObj2Obj );
}
else if ( Abc_ObjFaninNum(pObj) > 0 )
{
Abc_Obj_t * pFanin; int i;
Abc_ObjForEachFanin( pObj, pFanin, i )
Cba_ManCountNodes_rec( p, pFanin, iNtk, vObjCounts, vBufDrivers, vObj2Ntk, vObj2Obj );
Vec_IntWriteEntry( vObj2Ntk, Abc_ObjId(pObj), iNtk );
Vec_IntWriteEntry( vObj2Obj, Abc_ObjId(pObj), Vec_IntEntry(vObjCounts, iNtk) );
Vec_IntAddToEntry( vObjCounts, iNtk, 1 );
}
}
Vec_Int_t * Cba_ManCountNodes( Cba_Man_t * p, Abc_Ntk_t * pAbcNtk, Vec_Int_t * vBuf2RootNtk, Vec_Int_t ** pvObj2Ntk, Vec_Int_t ** pvObj2Obj )
{
Cba_Ntk_t * pNtk;
Abc_Obj_t * pObj;
Vec_Int_t * vObjCounts = Vec_IntStart( Cba_ManNtkNum(p) + 1 );
Vec_Int_t * vBufDrivers = Vec_IntStart( Cba_ManNtkNum(p) + 1 );
// set networks to which barbufs belong
int i, k, iBox, iBarBuf = Vec_IntSize( vBuf2RootNtk );
assert( Vec_IntSize(vBuf2RootNtk) == pAbcNtk->nBarBufs2 );
Abc_NtkForEachNodeReverse( pAbcNtk, pObj, i )
pObj->iTemp = Vec_IntEntry( vBuf2RootNtk, --iBarBuf );
assert( iBarBuf == 0 );
// start with primary inputs
Cba_ManForEachNtk( p, pNtk, i )
{
Vec_IntAddToEntry( vObjCounts, i, Cba_NtkPiNum(pNtk) );
Cba_NtkForEachBox( pNtk, iBox, k )
Vec_IntAddToEntry( vObjCounts, i, Cba_NtkPiNum(Cba_ObjBoxModel(pNtk, iBox)) + Cba_NtkPoNum(Cba_ObjBoxModel(pNtk, iBox)) + 1 );
}
// count internal nodes (network is in topo order)
*pvObj2Ntk = Vec_IntStartFull( Abc_NtkObjNumMax(pAbcNtk) );
*pvObj2Obj = Vec_IntStartFull( Abc_NtkObjNumMax(pAbcNtk) );
Abc_NtkForEachPo( pAbcNtk, pObj, i )
Cba_ManCountNodes_rec( p, Abc_ObjFanin0(pObj), p->iRoot, vObjCounts, vBufDrivers, *pvObj2Ntk, *pvObj2Obj );
// count PIs, POs, and PO drivers
Cba_ManForEachNtk( p, pNtk, i )
Vec_IntAddToEntry( vObjCounts, i, 2 * Cba_NtkPoNum(pNtk) - Vec_IntEntry(vBufDrivers, i) );
Vec_IntFree( vBufDrivers );
return vObjCounts;
}
Cba_Man_t * Cba_ManInsert( Cba_Man_t * p, Abc_Ntk_t * pAbcNtk, int fVerbose )
{
Cba_Man_t * pNew;
Cba_Ntk_t * pNtk;
Abc_Obj_t * pObj, * pFanin;
Vec_Int_t * vObj2Ntk, * vObj2Obj;
Vec_Int_t * vObjCounts = Cba_ManCountNodes( p, pAbcNtk, p->vBuf2RootNtk, &vObj2Ntk, &vObj2Obj );
Vec_Int_t * vFanins;
int i, k, iNtk, iBuf = 0;
// create initial mapping
pNew = Cba_ManDupStart( p, vObjCounts );
// set PIs point to the leaves
Abc_NtkForEachPi( pAbcNtk, pObj, i )
{
Vec_IntWriteEntry( vObj2Ntk, Abc_ObjId(pObj), p->iRoot );
Vec_IntWriteEntry( vObj2Obj, Abc_ObjId(pObj), i );
}
// set buffers to point to the leaves
assert( Vec_IntSize(p->vBuf2LeafNtk) == pAbcNtk->nBarBufs2 );
assert( Vec_IntSize(p->vBuf2LeafObj) == pAbcNtk->nBarBufs2 );
Abc_NtkForEachBarBuf( pAbcNtk, pObj, i )
{
Vec_IntWriteEntry( vObj2Ntk, Abc_ObjId(pObj), Vec_IntEntry(p->vBuf2LeafNtk, iBuf) );
Vec_IntWriteEntry( vObj2Obj, Abc_ObjId(pObj), Vec_IntEntry(p->vBuf2LeafObj, iBuf) );
iBuf++;
}
assert( iBuf == pAbcNtk->nBarBufs2 );
// copy internal nodes
vFanins = Vec_IntAlloc( 100 );
Abc_NtkForEachNode( pAbcNtk, pObj, i )
{
if ( Abc_ObjIsBarBuf(pObj) )
continue;
if ( Abc_ObjFaninNum(pObj) == 0 )
continue;
Vec_IntClear( vFanins );
iNtk = Vec_IntEntry(vObj2Ntk, Abc_ObjId(pObj));
Abc_ObjForEachFanin( pObj, pFanin, k )
{
assert( Vec_IntEntry(vObj2Ntk, Abc_ObjId(pFanin)) == iNtk );
Vec_IntPush( vFanins, Vec_IntEntry(vObj2Obj, Abc_ObjId(pFanin)) );
}
pNtk = Cba_ManNtk( pNew, iNtk );
Vec_IntPush( &pNtk->vTypes, CBA_OBJ_NODE );
Vec_IntPush( &pNtk->vFuncs, -1 );
Vec_IntPush( &pNtk->vFanins, Cba_ManHandleArray(pNew, vFanins) );
}
// set buffers to point to the roots
assert( Vec_IntSize(p->vBuf2RootNtk) == pAbcNtk->nBarBufs2 );
assert( Vec_IntSize(p->vBuf2RootObj) == pAbcNtk->nBarBufs2 );
iBuf = 0;
Abc_NtkForEachBarBuf( pAbcNtk, pObj, i )
{
Vec_IntWriteEntry( vObj2Ntk, Abc_ObjId(pObj), Vec_IntEntry(p->vBuf2RootNtk, iBuf) );
Vec_IntWriteEntry( vObj2Obj, Abc_ObjId(pObj), Vec_IntEntry(p->vBuf2RootObj, iBuf) );
iBuf++;
}
assert( iBuf == pAbcNtk->nBarBufs2 );
// connect driven root nodes
Vec_IntFree( vObj2Ntk );
Vec_IntFree( vObj2Obj );
return pNew;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
|
