abcMini.c File Reference

#include "base/abc/abc.h"
#include "base/main/main.h"
#include "aig/miniaig/miniaig.h"

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Functions
ABC_NAMESPACE_IMPL_START Abc_Obj_t *	Abc_NodeFanin0Copy (Abc_Ntk_t *pNtk, Vec_Int_t *vCopies, Mini_Aig_t *p, int Id)
	DECLARATIONS ///.
Abc_Obj_t *	Abc_NodeFanin1Copy (Abc_Ntk_t *pNtk, Vec_Int_t *vCopies, Mini_Aig_t *p, int Id)
Abc_Ntk_t *	Abc_NtkFromMiniAig (Mini_Aig_t *p)
int	Abc_NodeFanin0Copy2 (Abc_Obj_t *pObj)
int	Abc_NodeFanin1Copy2 (Abc_Obj_t *pObj)
Mini_Aig_t *	Abc_NtkToMiniAig (Abc_Ntk_t *pNtk)
Mini_Aig_t *	Abc_MiniAigFromNtk (Abc_Ntk_t *pNtk)
void	Abc_NtkInputMiniAig (Abc_Frame_t *pAbc, void *p)
void *	Abc_NtkOutputMiniAig (Abc_Frame_t *pAbc)
void	Abc_NtkSetFlopNum (Abc_Frame_t *pAbc, int nFlops)
void	Abc_NtkMiniAigTest (Abc_Ntk_t *pNtk)

Function Documentation

Abc_MiniAigFromNtk()

Mini_Aig_t * Abc_MiniAigFromNtk

(

Abc_Ntk_t *

pNtk

)

Definition at line 147 of file abcMini.c.

{
    Abc_Ntk_t *pNtkRes = NULL;
    Mini_Aig_t *pAig;
    if (!Abc_NtkIsStrash(pNtk)) {
        pNtk = pNtkRes = Abc_NtkStrash( pNtk, 0, 1, 0 );
        if ( pNtkRes == NULL )
        {
            printf("Strashing has failed.\n" );
            return NULL;
        }
    }
    pAig = Abc_NtkToMiniAig(pNtk);
    if (pNtkRes) Abc_NtkDelete(pNtkRes);
    return pAig;
}

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Abc_NodeFanin0Copy()

ABC_NAMESPACE_IMPL_START Abc_Obj_t * Abc_NodeFanin0Copy	(	Abc_Ntk_t *	pNtk,
		Vec_Int_t *	vCopies,
		Mini_Aig_t *	p,
		int	Id )

DECLARATIONS ///.

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

] FUNCTION DEFINITIONS /// Function*************************************************************

Synopsis [Converts the network from the AIG manager into ABC.]

Description []

SideEffects []

SeeAlso []

Definition at line 48 of file abcMini.c.

{
    int Lit = Mini_AigNodeFanin0( p, Id );
    int AbcLit = Abc_LitNotCond( Vec_IntEntry(vCopies, Abc_Lit2Var(Lit)), Abc_LitIsCompl(Lit) );
    return Abc_ObjFromLit( pNtk, AbcLit );
}

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Abc_NodeFanin0Copy2()

int Abc_NodeFanin0Copy2

(

Abc_Obj_t *

pObj

)

Function*************************************************************

Synopsis [Converts the network from ABC into the AIG manager.]

Description []

SideEffects []

SeeAlso []

Definition at line 115 of file abcMini.c.

{
    return Abc_LitNotCond( Abc_ObjFanin0(pObj)->iTemp, Abc_ObjFaninC0(pObj) );
}

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Abc_NodeFanin1Copy()

Abc_Obj_t * Abc_NodeFanin1Copy	(	Abc_Ntk_t *	pNtk,
		Vec_Int_t *	vCopies,
		Mini_Aig_t *	p,
		int	Id )

Definition at line 54 of file abcMini.c.

{
    int Lit = Mini_AigNodeFanin1( p, Id );
    int AbcLit = Abc_LitNotCond( Vec_IntEntry(vCopies, Abc_Lit2Var(Lit)), Abc_LitIsCompl(Lit) );
    return Abc_ObjFromLit( pNtk, AbcLit );
}

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Abc_NodeFanin1Copy2()

int Abc_NodeFanin1Copy2

(

Abc_Obj_t *

pObj

)

Definition at line 119 of file abcMini.c.

{
    return Abc_LitNotCond( Abc_ObjFanin1(pObj)->iTemp, Abc_ObjFaninC1(pObj) );
}

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Abc_NtkFromMiniAig()

Abc_Ntk_t * Abc_NtkFromMiniAig

(

Mini_Aig_t *

p

)

Definition at line 60 of file abcMini.c.

{
    Abc_Ntk_t * pNtk;
    Abc_Obj_t * pObj = NULL;
    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;
}

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Abc_NtkInputMiniAig()

void Abc_NtkInputMiniAig	(	Abc_Frame_t *	pAbc,
		void *	p )

Function*************************************************************

Synopsis [Procedures to update internal ABC network using AIG node array.]

Description []

SideEffects []

SeeAlso []

Definition at line 175 of file abcMini.c.

{
    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 );
}

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Abc_NtkMiniAigTest()

void Abc_NtkMiniAigTest

(

Abc_Ntk_t *

pNtk

)

Function*************************************************************

Synopsis [Testing the above code.]

Description []

SideEffects []

SeeAlso []

Definition at line 217 of file abcMini.c.

{
    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, 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 );
}

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Abc_NtkOutputMiniAig()

void * Abc_NtkOutputMiniAig

(

Abc_Frame_t *

pAbc

)

Definition at line 184 of file abcMini.c.

{
    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 );
}

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Abc_NtkSetFlopNum()

void Abc_NtkSetFlopNum	(	Abc_Frame_t *	pAbc,
		int	nFlops )

Definition at line 194 of file abcMini.c.

{
    extern void Abc_NtkMakeSeq( Abc_Ntk_t * pNtk, int nFlops );
    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" );
    Abc_NtkMakeSeq( pNtk, nFlops );
}

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Abc_NtkToMiniAig()

Mini_Aig_t * Abc_NtkToMiniAig

(

Abc_Ntk_t *

pNtk

)

Definition at line 123 of file abcMini.c.

{
    Mini_Aig_t * p;
    Abc_Obj_t * pObj = NULL;
    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;
}

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