abcLib.c File Reference

#include "abc.h"

Go to the source code of this file.

Functions
ABC_NAMESPACE_IMPL_START Abc_Des_t *	Abc_DesCreate (char *pName)
	DECLARATIONS ///. More...
void	Abc_DesCleanManPointer (Abc_Des_t *p, void *pMan)
void	Abc_DesFree (Abc_Des_t *p, Abc_Ntk_t *pNtkSave)
Abc_Des_t *	Abc_DesDup (Abc_Des_t *p)
Abc_Des_t *	Abc_DesDupBlackboxes (Abc_Des_t *p, Abc_Ntk_t *pNtkSave)
void	Abc_DesPrint (Abc_Des_t *p)
int	Abc_DesAddModel (Abc_Des_t *p, Abc_Ntk_t *pNtk)
Abc_Ntk_t *	Abc_DesFindModelByName (Abc_Des_t *p, char *pName)
Abc_Ntk_t *	Abc_DesDeriveRoot (Abc_Des_t *p)
int	Abc_DesFindTopLevelModels (Abc_Des_t *p)
void	Abc_NodeStrashUsingNetwork_rec (Abc_Ntk_t *pNtkAig, Abc_Obj_t *pObj)
void	Abc_NodeStrashUsingNetwork (Abc_Ntk_t *pNtkAig, Abc_Obj_t *pBox)

Function Documentation

int Abc_DesAddModel	(	Abc_Des_t *	p,
		Abc_Ntk_t *	pNtk
	)

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

Synopsis [Create the library.]

Description []

SideEffects []

SeeAlso []

Definition at line 226 of file abcLib.c.

{
    if ( st__is_member( p->tModules, (char *)pNtk->pName ) )
        return 0;
    st__insert( p->tModules, (char *)pNtk->pName, (char *)pNtk );
    assert( pNtk->Id == 0 );
    pNtk->Id = Vec_PtrSize(p->vModules);
    Vec_PtrPush( p->vModules, pNtk );
    pNtk->pDesign = p;
    return 1;
}

void Abc_DesCleanManPointer	(	Abc_Des_t *	p,
		void *	pMan
	)

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

Synopsis [Removes all pointers to the manager.]

Description []

SideEffects []

SeeAlso []

Definition at line 70 of file abcLib.c.

{
    Abc_Ntk_t * pTemp;
    int i;
    if ( p == NULL )
        return;
    if ( p->pManFunc == pMan )
        p->pManFunc = NULL;
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pTemp, i )
        if ( pTemp->pManFunc == pMan )
            pTemp->pManFunc = NULL;
}

ABC_NAMESPACE_IMPL_START Abc_Des_t* Abc_DesCreate

(

char *

pName

)

DECLARATIONS ///.

CFile****************************************************************

FileName [abcLib.c]

SystemName [ABC: Logic synthesis and verification system.]

PackageName [Network and node package.]

Synopsis [Functions to manipulate verilog libraries.]

Author [Alan Mishchenko]

Affiliation [UC Berkeley]

Date [Ver. 1.0. Started - June 20, 2005.]

Revision [

Id:

abcLib.c,v 1.00 2005/06/20 00:00:00 alanmi Exp

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

Synopsis [Create the library.]

Description []

SideEffects []

SeeAlso []

Definition at line 45 of file abcLib.c.

{
    Abc_Des_t * p;
    p = ABC_ALLOC( Abc_Des_t, 1 );
    memset( p, 0, sizeof(Abc_Des_t) );
    p->pName    = Abc_UtilStrsav( pName );
    p->tModules = st__init_table( strcmp, st__strhash );
    p->vTops    = Vec_PtrAlloc( 100 );
    p->vModules = Vec_PtrAlloc( 100 );
    p->pManFunc = Hop_ManStart();
    p->pLibrary = NULL;
    return p;
}

Abc_Ntk_t* Abc_DesDeriveRoot

(

Abc_Des_t *

p

)

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

Synopsis [Frees the library.]

Description []

SideEffects []

SeeAlso []

Definition at line 269 of file abcLib.c.

{
    Abc_Ntk_t * pNtk;
    if ( Vec_PtrSize(p->vModules) > 1 )
    {
        printf( "The design includes more than one module and is currently not used.\n" );
        return NULL;
    }
    pNtk = (Abc_Ntk_t *)Vec_PtrEntry( p->vModules, 0 );  Vec_PtrClear( p->vModules );
    pNtk->pManFunc = p->pManFunc;           p->pManFunc = NULL;
    return pNtk;
}

Abc_Des_t* Abc_DesDup

(

Abc_Des_t *

p

)

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

Synopsis [Duplicated the library.]

Description []

SideEffects []

SeeAlso []

Definition at line 133 of file abcLib.c.

{
    Abc_Des_t * pNew;
    Abc_Ntk_t * pTemp;
    Abc_Obj_t * pObj;
    int i, k;
    pNew = Abc_DesCreate( p->pName );
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pTemp, i )
        Abc_DesAddModel( pNew, Abc_NtkDup(pTemp) );
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vTops, pTemp, i )
        Vec_PtrPush( pNew->vTops, pTemp->pCopy );
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pTemp, i )
        pTemp->pCopy->pAltView = pTemp->pAltView ? pTemp->pAltView->pCopy : NULL;
    // update box models
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pTemp, i )
        Abc_NtkForEachBox( pTemp, pObj, k )
            if ( Abc_ObjIsWhitebox(pObj) || Abc_ObjIsBlackbox(pObj) )
                pObj->pCopy->pData = Abc_ObjModel(pObj)->pCopy;
    return pNew;
}

Abc_Des_t* Abc_DesDupBlackboxes	(	Abc_Des_t *	p,
		Abc_Ntk_t *	pNtkSave
	)

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

Synopsis [Frees the library.]

Description []

SideEffects []

SeeAlso []

Definition at line 165 of file abcLib.c.

{
    Abc_Des_t * pNew;
    Abc_Ntk_t * pNtkTemp;
    int i;
    assert( Vec_PtrSize(p->vTops) > 0 );
    assert( Vec_PtrSize(p->vModules) > 1 );
    pNew = Abc_DesCreate( p->pName );
//    pNew->pManFunc = pNtkSave->pManFunc;
    Vec_PtrPush( pNew->vTops, pNtkSave );
    Vec_PtrPush( pNew->vModules, pNtkSave );
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pNtkTemp, i )
        if ( Abc_NtkHasBlackbox( pNtkTemp ) )
            Vec_PtrPush( pNew->vModules, Abc_NtkDup(pNtkTemp) );
    return pNew;
}

Abc_Ntk_t* Abc_DesFindModelByName	(	Abc_Des_t *	p,
		char *	pName
	)

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

Synopsis [Create the library.]

Description []

SideEffects []

SeeAlso []

Definition at line 249 of file abcLib.c.

{
    Abc_Ntk_t * pNtk;
    if ( ! st__is_member( p->tModules, (char *)pName ) )
        return NULL;
    st__lookup( p->tModules, (char *)pName, (char **)&pNtk );
    return pNtk;
}

int Abc_DesFindTopLevelModels

(

Abc_Des_t *

p

)

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

Synopsis [Detects the top-level models.]

Description []

SideEffects []

SeeAlso []

Definition at line 293 of file abcLib.c.

{
    Abc_Ntk_t * pNtk, * pNtkBox;
    Abc_Obj_t * pObj;
    int i, k;
    assert( Vec_PtrSize( p->vModules ) > 0 );
    // clear the models
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pNtk, i )
        pNtk->fHieVisited = 0;
    // mark all the models reachable from other models
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pNtk, i )
    {
        Abc_NtkForEachBox( pNtk, pObj, k )
        {
            if ( Abc_ObjIsLatch(pObj) )
                continue;
            if ( pObj->pData == NULL )
                continue;
            pNtkBox = (Abc_Ntk_t *)pObj->pData;
            pNtkBox->fHieVisited = 1;
        }
    }
    // collect the models that are not marked
    Vec_PtrClear( p->vTops );
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pNtk, i )
    {
        if ( pNtk->fHieVisited == 0 )
            Vec_PtrPush( p->vTops, pNtk );
        else
            pNtk->fHieVisited = 0;
    }
    return Vec_PtrSize( p->vTops );
}

void Abc_DesFree	(	Abc_Des_t *	p,
		Abc_Ntk_t *	pNtkSave
	)

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

Synopsis [Frees the library.]

Description []

SideEffects []

SeeAlso []

Definition at line 94 of file abcLib.c.

{
    Abc_Ntk_t * pNtk;
    int i;
    if ( p->pName )
        ABC_FREE( p->pName );
    if ( p->pManFunc )
        Hop_ManStop( (Hop_Man_t *)p->pManFunc );
    if ( p->tModules )
        st__free_table( p->tModules );
    if ( p->vModules )
    {
        Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pNtk, i )
        {
            if ( pNtk == pNtkSave )
                continue;
            pNtk->pDesign = NULL;
            if ( (pNtkSave && pNtk->pManFunc == pNtkSave->pManFunc) || (pNtk->pManFunc == p->pManFunc) )
                pNtk->pManFunc = NULL;
            Abc_NtkDelete( pNtk );
        }
        Vec_PtrFree( p->vModules );
    }
    if ( p->vTops )
        Vec_PtrFree( p->vTops );
    ABC_FREE( p );
}

void Abc_DesPrint

(

Abc_Des_t *

p

)

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

Synopsis [Prints the library.]

Description []

SideEffects []

SeeAlso []

Definition at line 194 of file abcLib.c.

{
    Abc_Ntk_t * pNtk;
    Abc_Obj_t * pObj;
    int i, k;
    printf( "Models of design %s:\n", p->pName );
    Vec_PtrForEachEntry( Abc_Ntk_t *, p->vModules, pNtk, i )
    {
        printf( "%2d : %20s   ", i+1, pNtk->pName );
        printf( "nd = %6d   lat = %6d   whitebox = %3d   blackbox = %3d\n", 
            Abc_NtkNodeNum(pNtk), Abc_NtkLatchNum(pNtk), 
            Abc_NtkWhiteboxNum(pNtk), Abc_NtkBlackboxNum(pNtk) );
        if ( Abc_NtkBlackboxNum(pNtk) == 0 )
            continue;
        Abc_NtkForEachWhitebox( pNtk, pObj, k )
            printf( "     %20s (whitebox)\n", Abc_NtkName((Abc_Ntk_t *)pObj->pData) );
        Abc_NtkForEachBlackbox( pNtk, pObj, k )
            printf( "     %20s (blackbox)\n", Abc_NtkName((Abc_Ntk_t *)pObj->pData) );
    }
}

void Abc_NodeStrashUsingNetwork	(	Abc_Ntk_t *	pNtkAig,
		Abc_Obj_t *	pBox
	)

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

Synopsis [Derive the AIG of the logic in the netlist.]

Description []

SideEffects []

SeeAlso []

Definition at line 366 of file abcLib.c.

{ 
    Abc_Ntk_t * pNtkGate;
    Abc_Obj_t * pObj;
    unsigned * pPolarity;
    int i, fCompl;
    assert( Abc_ObjIsBox(pBox) );
    pNtkGate = (Abc_Ntk_t *)pBox->pData;
    pPolarity = (unsigned *)pBox->pNext;
    assert( Abc_NtkIsNetlist(pNtkGate) );
    assert( Abc_NtkLatchNum(pNtkGate) == 0 );
    Abc_NtkCleanCopy( pNtkGate );
    // set the PI values
    Abc_NtkForEachPi( pNtkGate, pObj, i )
    {
        fCompl = (pPolarity && Abc_InfoHasBit(pPolarity, i));
        pObj->pCopy = Abc_ObjNotCond( Abc_ObjFanin(pBox,i)->pCopy, fCompl );
        Abc_ObjFanout0(pObj)->pCopy = pObj->pCopy;
    }
    // build recursively and set the PO values
    Abc_NtkForEachPo( pNtkGate, pObj, i )
    {
        Abc_NodeStrashUsingNetwork_rec( pNtkAig, Abc_ObjFanin0Ntk(Abc_ObjFanin0(pObj)) );
        Abc_ObjFanout(pBox,i)->pCopy = Abc_ObjFanin0(pObj)->pCopy;
    }
//printf( "processing %d\n", pBox->Id );
}

void Abc_NodeStrashUsingNetwork_rec	(	Abc_Ntk_t *	pNtkAig,
		Abc_Obj_t *	pObj
	)

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

Synopsis [Derive the AIG of the logic in the netlist.]

Description []

SideEffects []

SeeAlso []

Definition at line 339 of file abcLib.c.

{
    Abc_Obj_t * pFanin;
    int i;
    assert( !Abc_ObjIsNet(pObj) );
    if ( pObj->pCopy )
        return;
    // call for the fanins
    Abc_ObjForEachFanin( pObj, pFanin, i )
        Abc_NodeStrashUsingNetwork_rec( pNtkAig, Abc_ObjFanin0Ntk(Abc_ObjFanin0(pObj)) );
    // compute for the node
    pObj->pCopy = Abc_NodeStrash( pNtkAig, pObj, 0 );
    // set for the fanout net
    Abc_ObjFanout0(pObj)->pCopy = pObj->pCopy;
}