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/**CFile****************************************************************
FileName [abcMini.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Network and node package.]
Synopsis [Interface to the minimalistic AIG package.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - June 20, 2005.]
Revision [$Id: abcMini.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
***********************************************************************/
#include "base/abc/abc.h"
#include "base/main/main.h"
#include "aig/miniaig/miniaig.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Converts the network from the AIG manager into ABC.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Abc_Obj_t * Abc_NodeFanin0Copy( Abc_Ntk_t * pNtk, Vec_Int_t * vCopies, Mini_Aig_t * p, int Id )
{
int Lit = Mini_AigNodeFanin0( p, Id );
int AbcLit = Abc_LitNotCond( Vec_IntEntry(vCopies, Abc_Lit2Var(Lit)), Abc_LitIsCompl(Lit) );
return Abc_ObjFromLit( pNtk, AbcLit );
}
Abc_Obj_t * Abc_NodeFanin1Copy( Abc_Ntk_t * pNtk, Vec_Int_t * vCopies, Mini_Aig_t * p, int Id )
{
int Lit = Mini_AigNodeFanin1( p, Id );
int AbcLit = Abc_LitNotCond( Vec_IntEntry(vCopies, Abc_Lit2Var(Lit)), Abc_LitIsCompl(Lit) );
return Abc_ObjFromLit( pNtk, AbcLit );
}
Abc_Ntk_t * Abc_NtkFromMiniAig( Mini_Aig_t * p )
{
Abc_Ntk_t * pNtk;
Abc_Obj_t * pObj;
Vec_Int_t * vCopies;
int i, nNodes;
// get the number of nodes
nNodes = Mini_AigNodeNum(p);
// create ABC network
pNtk = Abc_NtkAlloc( ABC_NTK_STRASH, ABC_FUNC_AIG, 1 );
pNtk->pName = Abc_UtilStrsav( "MiniAig" );
// create mapping from MiniAIG objects into ABC objects
vCopies = Vec_IntAlloc( nNodes );
Vec_IntPush( vCopies, Abc_LitNot(Abc_ObjToLit(Abc_AigConst1(pNtk))) );
// iterate through the objects
for ( i = 1; i < nNodes; i++ )
{
if ( Mini_AigNodeIsPi( p, i ) )
pObj = Abc_NtkCreatePi(pNtk);
else if ( Mini_AigNodeIsPo( p, i ) )
Abc_ObjAddFanin( (pObj = Abc_NtkCreatePo(pNtk)), Abc_NodeFanin0Copy(pNtk, vCopies, p, i) );
else if ( Mini_AigNodeIsAnd( p, i ) )
pObj = Abc_AigAnd((Abc_Aig_t *)pNtk->pManFunc, Abc_NodeFanin0Copy(pNtk, vCopies, p, i), Abc_NodeFanin1Copy(pNtk, vCopies, p, i));
else assert( 0 );
Vec_IntPush( vCopies, Abc_ObjToLit(pObj) );
}
assert( Vec_IntSize(vCopies) == nNodes );
Abc_AigCleanup( (Abc_Aig_t *)pNtk->pManFunc );
Vec_IntFree( vCopies );
Abc_NtkAddDummyPiNames( pNtk );
Abc_NtkAddDummyPoNames( pNtk );
if ( !Abc_NtkCheck( pNtk ) )
fprintf( stdout, "Abc_NtkFromMini(): Network check has failed.\n" );
// add latches
if ( Mini_AigRegNum(p) > 0 )
{
extern Abc_Ntk_t * Abc_NtkRestrashWithLatches( Abc_Ntk_t * pNtk, int nLatches );
Abc_Ntk_t * pTemp;
pNtk = Abc_NtkRestrashWithLatches( pTemp = pNtk, Mini_AigRegNum(p) );
Abc_NtkDelete( pTemp );
}
return pNtk;
}
/**Function*************************************************************
Synopsis [Converts the network from ABC into the AIG manager.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Abc_NodeFanin0Copy2( Abc_Obj_t * pObj )
{
return Abc_LitNotCond( Abc_ObjFanin0(pObj)->iTemp, Abc_ObjFaninC0(pObj) );
}
int Abc_NodeFanin1Copy2( Abc_Obj_t * pObj )
{
return Abc_LitNotCond( Abc_ObjFanin1(pObj)->iTemp, Abc_ObjFaninC1(pObj) );
}
Mini_Aig_t * Abc_NtkToMiniAig( Abc_Ntk_t * pNtk )
{
Mini_Aig_t * p;
Abc_Obj_t * pObj;
int i;
assert( Abc_NtkIsStrash(pNtk) );
// create the manager
p = Mini_AigStart();
// create mapping from MiniAIG into ABC objects
Abc_NtkCleanCopy( pNtk );
Abc_AigConst1(pNtk)->iTemp = Mini_AigLitConst1();
// create primary inputs
Abc_NtkForEachCi( pNtk, pObj, i )
pObj->iTemp = Mini_AigCreatePi(p);
// create internal nodes
Abc_NtkForEachNode( pNtk, pObj, i )
pObj->iTemp = Mini_AigAnd( p, Abc_NodeFanin0Copy2(pObj), Abc_NodeFanin1Copy2(pObj) );
// create primary outputs
Abc_NtkForEachCo( pNtk, pObj, i )
pObj->iTemp = Mini_AigCreatePo( p, Abc_NodeFanin0Copy2(pObj) );
// set registers
Mini_AigSetRegNum( p, Abc_NtkLatchNum(pNtk) );
return p;
}
/**Function*************************************************************
Synopsis [Procedures to update internal ABC network using AIG node array.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkInputMiniAig( Abc_Frame_t * pAbc, void * p )
{
Abc_Ntk_t * pNtk;
if ( pAbc == NULL )
printf( "ABC framework is not initialized by calling Abc_Start()\n" );
pNtk = Abc_NtkFromMiniAig( (Mini_Aig_t *)p );
Abc_FrameReplaceCurrentNetwork( pAbc, pNtk );
// Abc_NtkDelete( pNtk );
}
void * Abc_NtkOutputMiniAig( Abc_Frame_t * pAbc )
{
Abc_Ntk_t * pNtk;
if ( pAbc == NULL )
printf( "ABC framework is not initialized by calling Abc_Start()\n" );
pNtk = Abc_FrameReadNtk( pAbc );
if ( pNtk == NULL )
printf( "Current network in ABC framework is not defined.\n" );
return Abc_NtkToMiniAig( pNtk );
}
/**Function*************************************************************
Synopsis [Testing the above code.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Abc_NtkMiniAigTest( Abc_Ntk_t * pNtk )
{
Abc_Ntk_t * pNtkNew;
Mini_Aig_t * p;
p = Abc_NtkToMiniAig( pNtk );
pNtkNew = Abc_NtkFromMiniAig( p );
Mini_AigStop( p );
Abc_NtkPrintStats( pNtkNew, 0, 0, 0, 0, 0, 0, 0, 0 );
Abc_NtkDelete( pNtkNew );
// test dumping
p = Abc_NtkToMiniAig( pNtk );
Mini_AigDump( p, "miniaig.data" );
Mini_AigPrintStats( p );
Mini_AigStop( p );
p = Mini_AigLoad( "miniaig.data" );
Mini_AigPrintStats( p );
Mini_AigStop( p );
}
/*
if ( pNtk )
{
extern void Abc_NtkMiniAigTest( Abc_Ntk_t * pNtk );
Abc_NtkMiniAigTest( pNtk );
}
*/
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
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