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/**CFile****************************************************************
FileName [cbaPrsBuild.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Hierarchical word-level netlist.]
Synopsis [Parse tree to netlist transformation.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - November 29, 2014.]
Revision [$Id: cbaPrsBuild.c,v 1.00 2014/11/29 00:00:00 alanmi Exp $]
***********************************************************************/
#include "cba.h"
#include "cbaPrs.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Prs_ManVecFree( Vec_Ptr_t * vPrs )
{
Prs_Ntk_t * pNtk; int i;
Vec_PtrForEachEntry( Prs_Ntk_t *, vPrs, pNtk, i )
Prs_NtkFree( pNtk );
Vec_PtrFree( vPrs );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
int Prs_NtkCountObjects( Prs_Ntk_t * pNtk )
{
Vec_Int_t * vFanins;
int i, Count = Prs_NtkObjNum(pNtk);
Prs_NtkForEachBox( pNtk, vFanins, i )
Count += Prs_BoxIONum(pNtk, i);
return Count;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
// replaces NameIds of formal names by their index in the box model
void Prs_ManRemapOne( Vec_Int_t * vSigs, Prs_Ntk_t * pNtkBox, Vec_Int_t * vMap )
{
int i, NameId;
// map formal names into I/O indexes
Prs_NtkForEachPi( pNtkBox, NameId, i )
{
assert( Vec_IntEntry(vMap, NameId) == -1 );
Vec_IntWriteEntry( vMap, NameId, i + 1 ); // +1 to keep 1st form input non-zero
}
Prs_NtkForEachPo( pNtkBox, NameId, i )
{
assert( Vec_IntEntry(vMap, NameId) == -1 );
Vec_IntWriteEntry( vMap, NameId, Prs_NtkPiNum(pNtkBox) + i + 1 ); // +1 to keep 1st form input non-zero
}
// remap box
assert( Vec_IntSize(vSigs) % 2 == 0 );
Vec_IntForEachEntry( vSigs, NameId, i )
{
assert( Vec_IntEntry(vMap, NameId) != -1 );
Vec_IntWriteEntry( vSigs, i++, Vec_IntEntry(vMap, NameId) );
}
// unmap formal inputs
Prs_NtkForEachPi( pNtkBox, NameId, i )
Vec_IntWriteEntry( vMap, NameId, -1 );
Prs_NtkForEachPo( pNtkBox, NameId, i )
Vec_IntWriteEntry( vMap, NameId, -1 );
}
void Prs_ManRemapBoxes( Cba_Man_t * pNew, Vec_Ptr_t * vDes, Prs_Ntk_t * pNtk, Vec_Int_t * vMap )
{
Vec_Int_t * vSigs; int iBox;
Prs_NtkForEachBox( pNtk, vSigs, iBox )
if ( !Prs_BoxIsNode(pNtk, iBox) )
{
int NtkId = Prs_BoxNtk( pNtk, iBox );
int NtkIdNew = Cba_ManNtkFindId( pNew, Prs_NtkStr(pNtk, NtkId) );
Prs_BoxSetNtk( pNtk, iBox, NtkIdNew );
Prs_ManRemapOne( vSigs, Prs_ManNtk(vDes, NtkIdNew), vMap );
}
}
void Prs_ManCleanMap( Prs_Ntk_t * pNtk, Vec_Int_t * vMap )
{
Vec_Int_t * vSigs;
int i, k, NameId, Sig;
Prs_NtkForEachPi( pNtk, NameId, i )
Vec_IntWriteEntry( vMap, NameId, -1 );
Prs_NtkForEachBox( pNtk, vSigs, i )
Vec_IntForEachEntryDouble( vSigs, NameId, Sig, k )
Vec_IntWriteEntry( vMap, Prs_NtkSigName(pNtk, Sig), -1 );
Prs_NtkForEachPo( pNtk, NameId, i )
Vec_IntWriteEntry( vMap, NameId, -1 );
}
// create maps of NameId and boxes
void Prs_ManBuildNtk( Cba_Ntk_t * pNew, Vec_Ptr_t * vDes, Prs_Ntk_t * pNtk, Vec_Int_t * vMap, Vec_Int_t * vBoxes )
{
Prs_Ntk_t * pNtkBox; Vec_Int_t * vSigs; int iBox;
int i, Index, NameId, iObj, iConst0, iTerm;
int iNonDriven = -1, nNonDriven = 0;
assert( Prs_NtkPioNum(pNtk) == 0 );
Prs_ManRemapBoxes( pNew->pDesign, vDes, pNtk, vMap );
Cba_NtkStartNames( pNew );
// create primary inputs
Prs_NtkForEachPi( pNtk, NameId, i )
{
if ( Vec_IntEntry(vMap, NameId) != -1 )
printf( "Primary inputs %d and %d have the same name.\n", Vec_IntEntry(vMap, NameId), i );
iObj = Cba_ObjAlloc( pNew, CBA_OBJ_PI, -1, -1 );
Cba_ObjSetName( pNew, iObj, NameId );
Vec_IntWriteEntry( vMap, NameId, iObj );
}
// create box outputs
Vec_IntClear( vBoxes );
Prs_NtkForEachBox( pNtk, vSigs, iBox )
if ( !Prs_BoxIsNode(pNtk, iBox) )
{
pNtkBox = Prs_ManNtk( vDes, Prs_BoxNtk(pNtk, iBox) );
iObj = Cba_BoxAlloc( pNew, CBA_OBJ_BOX, Prs_NtkPiNum(pNtkBox), Prs_NtkPoNum(pNtkBox), Prs_BoxNtk(pNtk, iBox) );
Cba_ObjSetName( pNew, iObj, Prs_BoxName(pNtk, iBox) );
Cba_NtkSetHost( Cba_ManNtk(pNew->pDesign, Prs_BoxNtk(pNtk, iBox)), Cba_NtkId(pNew), iObj );
Vec_IntForEachEntry( vSigs, Index, i )
{
i++;
if ( --Index < Prs_NtkPiNum(pNtkBox) )
continue;
assert( Index - Prs_NtkPiNum(pNtkBox) < Prs_NtkPoNum(pNtkBox) );
// consider box output
NameId = Vec_IntEntry( vSigs, i );
NameId = Prs_NtkSigName( pNtk, NameId );
if ( Vec_IntEntry(vMap, NameId) != -1 )
printf( "Box output name %d is already driven.\n", NameId );
iTerm = Cba_BoxBo( pNew, iObj, Index - Prs_NtkPiNum(pNtkBox) );
Cba_ObjSetName( pNew, iTerm, NameId );
Vec_IntWriteEntry( vMap, NameId, iTerm );
}
// remember box
Vec_IntPush( vBoxes, iObj );
}
else
{
iObj = Cba_BoxAlloc( pNew, Prs_BoxNtk(pNtk, iBox), Prs_BoxIONum(pNtk, iBox)-1, 1, -1 );
// consider box output
NameId = Vec_IntEntryLast( vSigs );
NameId = Prs_NtkSigName( pNtk, NameId );
if ( Vec_IntEntry(vMap, NameId) != -1 )
printf( "Node output name %d is already driven.\n", NameId );
iTerm = Cba_BoxBo( pNew, iObj, 0 );
Cba_ObjSetName( pNew, iTerm, NameId );
Vec_IntWriteEntry( vMap, NameId, iTerm );
// remember box
Vec_IntPush( vBoxes, iObj );
}
// add fanins for box inputs
Prs_NtkForEachBox( pNtk, vSigs, iBox )
if ( !Prs_BoxIsNode(pNtk, iBox) )
{
pNtkBox = Prs_ManNtk( vDes, Prs_BoxNtk(pNtk, iBox) );
iObj = Vec_IntEntry( vBoxes, iBox );
Vec_IntForEachEntry( vSigs, Index, i )
{
i++;
if ( --Index >= Prs_NtkPiNum(pNtkBox) )
continue;
NameId = Vec_IntEntry( vSigs, i );
NameId = Prs_NtkSigName( pNtk, NameId );
iTerm = Cba_BoxBi( pNew, iObj, Index );
if ( Vec_IntEntry(vMap, NameId) == -1 )
{
iConst0 = Cba_BoxAlloc( pNew, CBA_BOX_C0, 0, 1, -1 );
Vec_IntWriteEntry( vMap, NameId, iConst0+1 );
if ( iNonDriven == -1 )
iNonDriven = NameId;
nNonDriven++;
}
Cba_ObjSetFanin( pNew, iTerm, Vec_IntEntry(vMap, NameId) );
Cba_ObjSetName( pNew, iTerm, NameId );
}
}
else
{
iObj = Vec_IntEntry( vBoxes, iBox );
Vec_IntForEachEntryStop( vSigs, Index, i, Vec_IntSize(vSigs)-2 )
{
NameId = Vec_IntEntry( vSigs, ++i );
NameId = Prs_NtkSigName( pNtk, NameId );
iTerm = Cba_BoxBi( pNew, iObj, i/2 );
if ( Vec_IntEntry(vMap, NameId) == -1 )
{
iConst0 = Cba_BoxAlloc( pNew, CBA_BOX_C0, 0, 1, -1 );
Vec_IntWriteEntry( vMap, NameId, iConst0+1 );
if ( iNonDriven == -1 )
iNonDriven = NameId;
nNonDriven++;
}
Cba_ObjSetFanin( pNew, iTerm, Vec_IntEntry(vMap, NameId) );
Cba_ObjSetName( pNew, iTerm, NameId );
}
}
// add fanins for primary outputs
Prs_NtkForEachPo( pNtk, NameId, i )
if ( Vec_IntEntry(vMap, NameId) == -1 )
{
iConst0 = Cba_BoxAlloc( pNew, CBA_BOX_C0, 0, 1, -1 );
Vec_IntWriteEntry( vMap, NameId, iConst0+1 );
if ( iNonDriven == -1 )
iNonDriven = NameId;
nNonDriven++;
}
Prs_NtkForEachPo( pNtk, NameId, i )
{
iObj = Cba_ObjAlloc( pNew, CBA_OBJ_PO, -1, Vec_IntEntry(vMap, NameId) );
Cba_ObjSetName( pNew, iObj, NameId );
}
if ( nNonDriven )
printf( "Module %s has %d non-driven nets (for example, %s).\n", Prs_NtkName(pNtk), nNonDriven, Prs_NtkStr(pNtk, iNonDriven) );
Prs_ManCleanMap( pNtk, vMap );
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Cba_Man_t * Prs_ManBuildCba( char * pFileName, Vec_Ptr_t * vDes )
{
Prs_Ntk_t * pNtk = Prs_ManRoot( vDes ); int i;
Cba_Man_t * pNew = Cba_ManAlloc( pFileName, Vec_PtrSize(vDes) );
Vec_Int_t * vMap = Vec_IntStartFull( Abc_NamObjNumMax(pNtk->pStrs) + 1 );
Vec_Int_t * vTmp = Vec_IntAlloc( Prs_NtkBoxNum(pNtk) );
Abc_NamDeref( pNew->pStrs );
pNew->pStrs = Abc_NamRef( pNtk->pStrs );
Vec_PtrForEachEntry( Prs_Ntk_t *, vDes, pNtk, i )
Cba_NtkAlloc( Cba_ManNtk(pNew, i), Prs_NtkId(pNtk), Prs_NtkPiNum(pNtk), Prs_NtkPoNum(pNtk), Prs_NtkCountObjects(pNtk) );
Vec_PtrForEachEntry( Prs_Ntk_t *, vDes, pNtk, i )
Prs_ManBuildNtk( Cba_ManNtk(pNew, i), vDes, pNtk, vMap, vTmp );
assert( Vec_IntCountEntry(vMap, -1) == Vec_IntSize(vMap) );
Vec_IntFree( vMap );
Vec_IntFree( vTmp );
return pNew;
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
|
