luke
/
abc
mirror of https://github.com/YosysHQ/abc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
abc/src/base/cba/cbaBlast.c

587 lines
21 KiB
C
Raw Blame History

/**CFile****************************************************************
FileName [cbaBlast.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Hierarchical word-level netlist.]
Synopsis [Bit-blasting of the netlist.]
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"
#include "map/mio/mio.h"
#include "bool/dec/dec.h"
#include "base/main/mainInt.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Cba_ManPrepareGates( Cba_Man_t * p )
{
Dec_Graph_t ** ppGraphs; int i;
if ( p->pMioLib == NULL )
return;
ppGraphs = ABC_CALLOC( Dec_Graph_t *, Abc_NamObjNumMax(p->pMods) );
for ( i = 1; i < Abc_NamObjNumMax(p->pMods); i++ )
{
char * pGateName = Abc_NamStr( p->pMods, i );
Mio_Gate_t * pGate = Mio_LibraryReadGateByName( (Mio_Library_t *)p->pMioLib, pGateName, NULL );
if ( pGate != NULL )
ppGraphs[i] = Dec_Factor( Mio_GateReadSop(pGate) );
}
assert( p->ppGraphs == NULL );
p->ppGraphs = (void **)ppGraphs;
}
void Cba_ManUndoGates( Cba_Man_t * p )
{
int i;
if ( p->pMioLib == NULL )
return;
for ( i = 1; i < Abc_NamObjNumMax(p->pMods); i++ )
if ( p->ppGraphs[i] )
Dec_GraphFree( (Dec_Graph_t *)p->ppGraphs[i] );
ABC_FREE( p->ppGraphs );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Cba_ManAddBarbuf( Gia_Man_t * pNew, int iRes, Cba_Man_t * p, int iLNtk, int iLObj, int iRNtk, int iRObj, Vec_Int_t * vMap )
{
int iBufLit, iIdLit;
if ( iRes == 0 || iRes == 1 )
return iRes;
assert( iRes > 0 );
if ( vMap && Abc_Lit2Var(iRes) < Vec_IntSize(vMap) && (iIdLit = Vec_IntEntry(vMap, Abc_Lit2Var(iRes))) >= 0 &&
Vec_IntEntry(&p->vBuf2LeafNtk, Abc_Lit2Var(iIdLit)) == iLNtk && Vec_IntEntry(&p->vBuf2RootNtk, Abc_Lit2Var(iIdLit)) == iRNtk )
return Abc_LitNotCond( Vec_IntEntry(pNew->vBarBufs, Abc_Lit2Var(iIdLit)), Abc_LitIsCompl(iRes) ^ Abc_LitIsCompl(iIdLit) );
Vec_IntPush( &p->vBuf2LeafNtk, iLNtk );
Vec_IntPush( &p->vBuf2LeafObj, iLObj );
Vec_IntPush( &p->vBuf2RootNtk, iRNtk );
Vec_IntPush( &p->vBuf2RootObj, iRObj );
iBufLit = Gia_ManAppendBuf( pNew, iRes );
if ( vMap )
{
Vec_IntSetEntryFull( vMap, Abc_Lit2Var(iRes), Abc_Var2Lit(Vec_IntSize(pNew->vBarBufs), Abc_LitIsCompl(iRes)) );
Vec_IntPush( pNew->vBarBufs, iBufLit );
}
return iBufLit;
}
int Cba_ManExtract_rec( Gia_Man_t * pNew, Cba_Ntk_t * p, int i, int fBuffers, Vec_Int_t * vMap )
{
int iRes = Cba_ObjCopy( p, i );
if ( iRes >= 0 )
return iRes;
if ( Cba_ObjIsCo(p, i) )
iRes = Cba_ManExtract_rec( pNew, p, Cba_ObjFanin(p, i), fBuffers, vMap );
else if ( Cba_ObjIsPi(p, i) )
{
Cba_Ntk_t * pHost = Cba_NtkHostNtk( p );
int iObj = Cba_BoxBi( pHost, Cba_NtkHostObj(p), Cba_ObjIndex(p, i) );
iRes = Cba_ManExtract_rec( pNew, pHost, iObj, fBuffers, vMap );
if ( fBuffers )
iRes = Cba_ManAddBarbuf( pNew, iRes, p->pDesign, Cba_NtkId(p), i, Cba_NtkId(pHost), iObj, vMap );
}
else if ( Cba_ObjIsBo(p, i) )
{
int iBox = Cba_BoxBoBox(p, i);
if ( Cba_ObjIsBoxUser(p, iBox) ) // user box
{
Cba_Ntk_t * pBox = Cba_BoxBoNtk( p, i );
int iObj = Cba_NtkPo( pBox, Cba_ObjIndex(p, i) );
iRes = Cba_ManExtract_rec( pNew, pBox, iObj, fBuffers, vMap );
if ( fBuffers )
iRes = Cba_ManAddBarbuf( pNew, iRes, p->pDesign, Cba_NtkId(p), i, Cba_NtkId(pBox), iObj, vMap );
}
else // primitive
{
int iFanin, nLits, pLits[16];
assert( Cba_ObjIsBoxPrim(p, iBox) );
Cba_BoxForEachFanin( p, iBox, iFanin, nLits )
pLits[nLits] = Cba_ManExtract_rec( pNew, p, iFanin, fBuffers, vMap );
assert( nLits <= 16 );
if ( p->pDesign->ppGraphs ) // mapped gate
{
extern int Gia_ManFactorGraph( Gia_Man_t * p, Dec_Graph_t * pFForm, Vec_Int_t * vLeaves );
Dec_Graph_t * pGraph = (Dec_Graph_t *)p->pDesign->ppGraphs[Cba_BoxNtkId(p, iBox)];
Vec_Int_t Leaves = { nLits, nLits, pLits };
assert( pGraph != NULL );
return Gia_ManFactorGraph( pNew, pGraph, &Leaves );
}
else
{
Cba_ObjType_t Type = Cba_ObjType(p, iBox);
if ( nLits == 0 )
{
if ( Type == CBA_BOX_CF )
iRes = 0;
else if ( Type == CBA_BOX_CT )
iRes = 1;
else assert( 0 );
}
else if ( nLits == 1 )
{
if ( Type == CBA_BOX_BUF )
iRes = pLits[0];
else if ( Type == CBA_BOX_INV )
iRes = Abc_LitNot( pLits[0] );
else assert( 0 );
}
else if ( nLits == 2 )
{
if ( Type == CBA_BOX_AND )
iRes = Gia_ManHashAnd( pNew, pLits[0], pLits[1] );
else if ( Type == CBA_BOX_NAND )
iRes = Abc_LitNot( Gia_ManHashAnd( pNew, pLits[0], pLits[1] ) );
else if ( Type == CBA_BOX_OR )
iRes = Gia_ManHashOr( pNew, pLits[0], pLits[1] );
else if ( Type == CBA_BOX_NOR )
iRes = Abc_LitNot( Gia_ManHashOr( pNew, pLits[0], pLits[1] ) );
else if ( Type == CBA_BOX_XOR )
iRes = Gia_ManHashXor( pNew, pLits[0], pLits[1] );
else if ( Type == CBA_BOX_XNOR )
iRes = Abc_LitNot( Gia_ManHashXor( pNew, pLits[0], pLits[1] ) );
else if ( Type == CBA_BOX_SHARP )
iRes = Gia_ManHashAnd( pNew, pLits[0], Abc_LitNot(pLits[1]) );
else if ( Type == CBA_BOX_SHARPL )
iRes = Gia_ManHashAnd( pNew, Abc_LitNot(pLits[0]), pLits[1] );
else assert( 0 );
}
else if ( nLits == 3 )
{
if ( Type == CBA_BOX_MUX )
iRes = Gia_ManHashMux( pNew, pLits[0], pLits[1], pLits[2] );
else if ( Type == CBA_BOX_MAJ )
iRes = Gia_ManHashMaj( pNew, pLits[0], pLits[1], pLits[2] );
else if ( Type == CBA_BOX_ADD )
{
int iRes0 = Gia_ManHashAnd( pNew, pLits[1], pLits[2] );
int iRes1 = Gia_ManHashOr( pNew, pLits[1], pLits[2] );
assert( Cba_BoxBoNum(p, iBox) == 2 );
if ( Cba_BoxBo(p, iBox, 0) == i ) // sum
iRes = Gia_ManHashXor( pNew, pLits[0], Gia_ManHashAnd(pNew, Abc_LitNot(iRes0), iRes1) );
else if ( Cba_BoxBo(p, iBox, 1) == i ) // cout
iRes = Gia_ManHashOr( pNew, iRes0, Gia_ManHashAnd(pNew, pLits[0], iRes1) );
else assert( 0 );
}
else assert( 0 );
}
else assert( 0 );
}
}
}
else assert( 0 );
Cba_ObjSetCopy( p, i, iRes );
return iRes;
}
Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fBuffers, int fVerbose )
{
Cba_Ntk_t * pNtk, * pRoot = Cba_ManRoot(p);
Gia_Man_t * pNew, * pTemp;
Vec_Int_t * vMap = NULL;
int i, iObj;
Vec_IntClear( &p->vBuf2LeafNtk );
Vec_IntClear( &p->vBuf2LeafObj );
Vec_IntClear( &p->vBuf2RootNtk );
Vec_IntClear( &p->vBuf2RootObj );
Cba_ManForEachNtk( p, pNtk, i )
{
Cba_NtkDeriveIndex( pNtk );
Cba_NtkStartCopies( pNtk );
}
// start the manager
pNew = Gia_ManStart( Cba_ManNodeNum(p) );
pNew->pName = Abc_UtilStrsav(p->pName);
pNew->pSpec = Abc_UtilStrsav(p->pSpec);
// primary inputs
Cba_NtkForEachPi( pRoot, iObj, i )
Cba_ObjSetCopy( pRoot, iObj, Gia_ManAppendCi(pNew) );
// internal nodes
Gia_ManHashAlloc( pNew );
pNew->vBarBufs = Vec_IntAlloc( 10000 );
vMap = Vec_IntStartFull( 10000 );
Cba_ManPrepareGates( p );
Cba_NtkForEachPo( pRoot, iObj, i )
Cba_ManExtract_rec( pNew, pRoot, iObj, fBuffers, vMap );
Cba_ManUndoGates( p );
Vec_IntFreeP( &vMap );
Gia_ManHashStop( pNew );
// primary outputs
Cba_NtkForEachPo( pRoot, iObj, i )
Gia_ManAppendCo( pNew, Cba_ObjCopy(pRoot, iObj) );
assert( Vec_IntSize(&p->vBuf2LeafNtk) == pNew->nBufs );
// cleanup
pNew = Gia_ManCleanup( pTemp = pNew );
Gia_ManStop( pTemp );
//Gia_ManPrintStats( pNew, NULL );
return pNew;
}
/**Function*************************************************************
Synopsis [Mark each GIA node with the network it belongs to.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Cba_ManMarkNodesGia( Cba_Man_t * p, Gia_Man_t * pGia )
{
Gia_Obj_t * pObj; int i, Count = 0;
assert( Vec_IntSize(&p->vBuf2LeafNtk) == Gia_ManBufNum(pGia) );
Gia_ManConst0(pGia)->Value = 0;
Gia_ManForEachPi( pGia, pObj, i )
pObj->Value = 0;
Gia_ManForEachAnd( pGia, pObj, i )
{
if ( Gia_ObjIsBuf(pObj) )
pObj->Value = Vec_IntEntry( &p->vBuf2LeafNtk, Count++ );
else
{
pObj->Value = Gia_ObjFanin0(pObj)->Value;
assert( pObj->Value == Gia_ObjFanin1(pObj)->Value );
}
}
assert( Count == Gia_ManBufNum(pGia) );
Gia_ManForEachPo( pGia, pObj, i )
{
assert( Gia_ObjFanin0(pObj)->Value == 0 );
pObj->Value = 0;
}
}
void Cba_ManRemapBarbufs( Cba_Man_t * pNew, Cba_Man_t * p )
{
Cba_Ntk_t * pNtk; int Entry, i;
assert( Vec_IntSize(&p->vBuf2RootNtk) );
assert( !Vec_IntSize(&pNew->vBuf2RootNtk) );
Vec_IntAppend( &pNew->vBuf2RootNtk, &p->vBuf2RootNtk );
Vec_IntAppend( &pNew->vBuf2RootObj, &p->vBuf2RootObj );
Vec_IntAppend( &pNew->vBuf2LeafNtk, &p->vBuf2LeafNtk );
Vec_IntAppend( &pNew->vBuf2LeafObj, &p->vBuf2LeafObj );
Vec_IntForEachEntry( &p->vBuf2LeafObj, Entry, i )
{
pNtk = Cba_ManNtk( p, Vec_IntEntry(&p->vBuf2LeafNtk, i) );
Vec_IntWriteEntry( &pNew->vBuf2LeafObj, i, Cba_ObjCopy(pNtk, Entry) );
}
Vec_IntForEachEntry( &p->vBuf2RootObj, Entry, i )
{
pNtk = Cba_ManNtk( p, Vec_IntEntry(&p->vBuf2RootNtk, i) );
Vec_IntWriteEntry( &pNew->vBuf2RootObj, i, Cba_ObjCopy(pNtk, Entry) );
}
}
void Cba_NtkCreateAndConnectBuffer( Gia_Man_t * pGia, Gia_Obj_t * pObj, Cba_Ntk_t * p, int iTerm )
{
int iObj;
if ( pGia && Gia_ObjFaninId0p(pGia, pObj) > 0 )
{
iObj = Cba_ObjAlloc( p, CBA_OBJ_BI, Gia_ObjFanin0(pObj)->Value );
Cba_ObjAlloc( p, Gia_ObjFaninC0(pObj) ? CBA_BOX_INV : CBA_BOX_BUF, -1 );
}
else
{
Cba_ObjAlloc( p, pGia && Gia_ObjFaninC0(pObj) ? CBA_BOX_CT : CBA_BOX_CF, -1 );
}
iObj = Cba_ObjAlloc( p, CBA_OBJ_BO, -1 );
Cba_ObjSetFanin( p, iTerm, iObj );
}
void Cba_NtkInsertGia( Cba_Man_t * p, Gia_Man_t * pGia )
{
Cba_Ntk_t * pNtk, * pRoot = Cba_ManRoot( p );
int i, j, k, iBox, iTerm, Count = 0;
Gia_Obj_t * pObj;
Gia_ManConst0(pGia)->Value = ~0;
Gia_ManForEachPi( pGia, pObj, i )
pObj->Value = Cba_NtkPi( pRoot, i );
Gia_ManForEachAnd( pGia, pObj, i )
{
if ( Gia_ObjIsBuf(pObj) )
{
pNtk = Cba_ManNtk( p, Vec_IntEntry(&p->vBuf2RootNtk, Count) );
iTerm = Vec_IntEntry( &p->vBuf2RootObj, Count );
assert( Cba_ObjIsCo(pNtk, iTerm) );
if ( Cba_ObjFanin(pNtk, iTerm) == -1 ) // not a feedthrough
Cba_NtkCreateAndConnectBuffer( pGia, pObj, pNtk, iTerm );
// prepare leaf
pObj->Value = Vec_IntEntry( &p->vBuf2LeafObj, Count++ );
}
else
{
int iLit0 = Gia_ObjFanin0(pObj)->Value;
int iLit1 = Gia_ObjFanin1(pObj)->Value;
Cba_ObjType_t Type;
pNtk = Cba_ManNtk( p, pObj->Value );
if ( Gia_ObjFaninC0(pObj) && Gia_ObjFaninC1(pObj) )
Type = CBA_BOX_NOR;
else if ( Gia_ObjFaninC1(pObj) )
Type = CBA_BOX_SHARP;
else if ( Gia_ObjFaninC0(pObj) )
{
Type = CBA_BOX_SHARP;
ABC_SWAP( int, iLit0, iLit1 );
}
else
Type = CBA_BOX_AND;
// create box
iTerm = Cba_ObjAlloc( pNtk, CBA_OBJ_BI, iLit1 );
iTerm = Cba_ObjAlloc( pNtk, CBA_OBJ_BI, iLit0 );
Cba_ObjAlloc( pNtk, Type, -1 );
pObj->Value = Cba_ObjAlloc( pNtk, CBA_OBJ_BO, -1 );
}
}
assert( Count == Gia_ManBufNum(pGia) );
// create constant 0 drivers for COs without barbufs
Cba_ManForEachNtk( p, pNtk, i )
{
Cba_NtkForEachBox( pNtk, iBox )
Cba_BoxForEachBi( pNtk, iBox, iTerm, j )
if ( Cba_ObjFanin(pNtk, iTerm) == -1 )
Cba_NtkCreateAndConnectBuffer( NULL, NULL, pNtk, iTerm );
Cba_NtkForEachPo( pNtk, iTerm, k )
if ( pNtk != pRoot && Cba_ObjFanin(pNtk, iTerm) == -1 )
Cba_NtkCreateAndConnectBuffer( NULL, NULL, pNtk, iTerm );
}
// create node and connect POs
Gia_ManForEachPo( pGia, pObj, i )
if ( Cba_ObjFanin(pRoot, Cba_NtkPo(pRoot, i)) == -1 ) // not a feedthrough
Cba_NtkCreateAndConnectBuffer( pGia, pObj, pRoot, Cba_NtkPo(pRoot, i) );
}
Cba_Man_t * Cba_ManInsertGia( Cba_Man_t * p, Gia_Man_t * pGia )
{
Cba_Man_t * pNew = Cba_ManDupUserBoxes( p );
Cba_ManMarkNodesGia( p, pGia );
Cba_ManRemapBarbufs( pNew, p );
Cba_NtkInsertGia( pNew, pGia );
Cba_ManMoveNames( pNew, p );
return pNew;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Cba_Man_t * Cba_ManBlastTest( Cba_Man_t * p )
{
Gia_Man_t * pGia = Cba_ManExtract( p, 1, 0 );
Cba_Man_t * pNew = Cba_ManInsertGia( p, pGia );
Gia_ManStop( pGia );
return pNew;
}
/**Function*************************************************************
Synopsis [Mark each GIA node with the network it belongs to.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
static inline int Abc_NodeIsSeriousGate( Abc_Obj_t * p )
{
return Abc_ObjIsNode(p) && Abc_ObjFaninNum(p) > 0 && !Abc_ObjIsBarBuf(p);
}
void Cba_ManMarkNodesAbc( Cba_Man_t * p, Abc_Ntk_t * pNtk )
{
Abc_Obj_t * pObj, * pFanin; int i, k, Count = 0;
assert( Vec_IntSize(&p->vBuf2LeafNtk) == pNtk->nBarBufs2 );
Abc_NtkForEachPi( pNtk, pObj, i )
pObj->iTemp = 0;
Abc_NtkForEachNode( pNtk, pObj, i )
{
if ( Abc_ObjIsBarBuf(pObj) )
pObj->iTemp = Vec_IntEntry( &p->vBuf2LeafNtk, Count++ );
else if ( Abc_NodeIsSeriousGate(pObj) )
{
pObj->iTemp = Abc_ObjFanin0(pObj)->iTemp;
Abc_ObjForEachFanin( pObj, pFanin, k )
assert( pObj->iTemp == pFanin->iTemp );
}
}
Abc_NtkForEachPo( pNtk, pObj, i )
{
if ( !Abc_NodeIsSeriousGate(Abc_ObjFanin0(pObj)) )
continue;
assert( Abc_ObjFanin0(pObj)->iTemp == 0 );
pObj->iTemp = Abc_ObjFanin0(pObj)->iTemp;
}
assert( Count == pNtk->nBarBufs2 );
}
void Cba_NtkCreateOrConnectFanin( Abc_Obj_t * pFanin, Cba_Ntk_t * p, int iTerm )
{
int iObj;
if ( pFanin && Abc_NodeIsSeriousGate(pFanin) )//&& Cba_ObjName(p, pFanin->iTemp) == -1 ) // gate without name
{
iObj = pFanin->iTemp;
}
else if ( pFanin && (Abc_ObjIsPi(pFanin) || Abc_ObjIsBarBuf(pFanin) || Abc_NodeIsSeriousGate(pFanin)) ) // PI/BO or gate with name
{
iObj = Cba_ObjAlloc( p, CBA_OBJ_BI, pFanin->iTemp );
Cba_ObjAlloc( p, CBA_BOX_GATE, p->pDesign->ElemGates[2] ); // buffer
iObj = Cba_ObjAlloc( p, CBA_OBJ_BO, -1 );
}
else
{
assert( !pFanin || Abc_NodeIsConst0(pFanin) || Abc_NodeIsConst1(pFanin) );
Cba_ObjAlloc( p, CBA_BOX_GATE, p->pDesign->ElemGates[(pFanin && Abc_NodeIsConst1(pFanin))] ); // const 0/1
iObj = Cba_ObjAlloc( p, CBA_OBJ_BO, -1 );
}
Cba_ObjSetFanin( p, iTerm, iObj );
}
void Cba_NtkPrepareLibrary( Cba_Man_t * p, Mio_Library_t * pLib )
{
Mio_Gate_t * pGate;
Mio_Gate_t * pGate0 = Mio_LibraryReadConst0( pLib );
Mio_Gate_t * pGate1 = Mio_LibraryReadConst1( pLib );
Mio_Gate_t * pGate2 = Mio_LibraryReadBuf( pLib );
if ( !pGate0 || !pGate1 || !pGate2 )
{
printf( "The library does not have one of the elementary gates.\n" );
return;
}
p->ElemGates[0] = Abc_NamStrFindOrAdd( p->pMods, Mio_GateReadName(pGate0), NULL );
p->ElemGates[1] = Abc_NamStrFindOrAdd( p->pMods, Mio_GateReadName(pGate1), NULL );
p->ElemGates[2] = Abc_NamStrFindOrAdd( p->pMods, Mio_GateReadName(pGate2), NULL );
Mio_LibraryForEachGate( pLib, pGate )
if ( pGate != pGate0 && pGate != pGate1 && pGate != pGate2 )
Abc_NamStrFindOrAdd( p->pMods, Mio_GateReadName(pGate), NULL );
assert( Abc_NamObjNumMax(p->pMods) > 1 );
}
int Cba_NtkBuildLibrary( Cba_Man_t * p )
{
int RetValue = 1;
Mio_Library_t * pLib = (Mio_Library_t *)Abc_FrameReadLibGen( Abc_FrameGetGlobalFrame() );
if ( pLib == NULL )
printf( "The standard cell library is not available.\n" ), RetValue = 0;
else
Cba_NtkPrepareLibrary( p, pLib );
p->pMioLib = pLib;
return RetValue;
}
void Cba_NtkInsertNtk( Cba_Man_t * p, Abc_Ntk_t * pNtk )
{
Cba_Ntk_t * pCbaNtk, * pRoot = Cba_ManRoot( p );
int i, j, k, iBox, iTerm, Count = 0;
Abc_Obj_t * pObj;
assert( Abc_NtkHasMapping(pNtk) );
Cba_NtkPrepareLibrary( p, (Mio_Library_t *)pNtk->pManFunc );
p->pMioLib = pNtk->pManFunc;
Abc_NtkForEachPi( pNtk, pObj, i )
pObj->iTemp = Cba_NtkPi( pRoot, i );
Abc_NtkForEachNode( pNtk, pObj, i )
{
if ( Abc_ObjIsBarBuf(pObj) )
{
pCbaNtk = Cba_ManNtk( p, Vec_IntEntry(&p->vBuf2RootNtk, Count) );
iTerm = Vec_IntEntry( &p->vBuf2RootObj, Count );
assert( Cba_ObjIsCo(pCbaNtk, iTerm) );
if ( Cba_ObjFanin(pCbaNtk, iTerm) == -1 ) // not a feedthrough
Cba_NtkCreateOrConnectFanin( Abc_ObjFanin0(pObj), pCbaNtk, iTerm );
// prepare leaf
pObj->iTemp = Vec_IntEntry( &p->vBuf2LeafObj, Count++ );
}
else if ( Abc_NodeIsSeriousGate(pObj) )
{
pCbaNtk = Cba_ManNtk( p, pObj->iTemp );
for ( k = Abc_ObjFaninNum(pObj)-1; k >= 0; k-- )
iTerm = Cba_ObjAlloc( pCbaNtk, CBA_OBJ_BI, Abc_ObjFanin(pObj, k)->iTemp );
Cba_ObjAlloc( pCbaNtk, CBA_BOX_GATE, Abc_NamStrFind(p->pMods, Mio_GateReadName((Mio_Gate_t *)pObj->pData)) );
pObj->iTemp = Cba_ObjAlloc( pCbaNtk, CBA_OBJ_BO, -1 );
}
}
assert( Count == pNtk->nBarBufs2 );
// create constant 0 drivers for COs without barbufs
Cba_ManForEachNtk( p, pCbaNtk, i )
{
Cba_NtkForEachBox( pCbaNtk, iBox )
Cba_BoxForEachBi( pCbaNtk, iBox, iTerm, j )
if ( Cba_ObjFanin(pCbaNtk, iTerm) == -1 )
Cba_NtkCreateOrConnectFanin( NULL, pCbaNtk, iTerm );
Cba_NtkForEachPo( pCbaNtk, iTerm, k )
if ( pCbaNtk != pRoot && Cba_ObjFanin(pCbaNtk, iTerm) == -1 )
Cba_NtkCreateOrConnectFanin( NULL, pCbaNtk, iTerm );
}
// create node and connect POs
Abc_NtkForEachPo( pNtk, pObj, i )
if ( Cba_ObjFanin(pRoot, Cba_NtkPo(pRoot, i)) == -1 ) // not a feedthrough
Cba_NtkCreateOrConnectFanin( Abc_ObjFanin0(pObj), pRoot, Cba_NtkPo(pRoot, i) );
}
void * Cba_ManInsertAbc( Cba_Man_t * p, void * pAbc )
{
Abc_Ntk_t * pNtk = (Abc_Ntk_t *)pAbc;
Cba_Man_t * pNew = Cba_ManDupUserBoxes( p );
Cba_ManMarkNodesAbc( p, pNtk );
Cba_ManRemapBarbufs( pNew, p );
Cba_NtkInsertNtk( pNew, pNtk );
Cba_ManMoveNames( pNew, p );
return pNew;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
Reference in New Issue View Git Blame Copy Permalink