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/**CFile****************************************************************
FileName [cbaWriteVer.c]
SystemName [ABC: Logic synthesis and verification system.]
PackageName [Hierarchical word-level netlist.]
Synopsis [Verilog writer.]
Author [Alan Mishchenko]
Affiliation [UC Berkeley]
Date [Ver. 1.0. Started - November 29, 2014.]
Revision [$Id: cbaWriteVer.c,v 1.00 2014/11/29 00:00:00 alanmi Exp $]
***********************************************************************/
#include "cba.h"
#include "cbaPrs.h"
#include "base/main/main.h"
ABC_NAMESPACE_IMPL_START
////////////////////////////////////////////////////////////////////////
/// DECLARATIONS ///
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/// FUNCTION DEFINITIONS ///
////////////////////////////////////////////////////////////////////////
/**Function*************************************************************
Synopsis [Writing parser state into a file.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Prs_ManWriteVerilogConcat( FILE * pFile, Prs_Ntk_t * p, int Con )
{
extern void Prs_ManWriteVerilogArray( FILE * pFile, Prs_Ntk_t * p, Vec_Int_t * vSigs, int Start, int Stop, int fOdd );
Vec_Int_t * vSigs = Prs_CatSignals(p, Con);
fprintf( pFile, "{" );
Prs_ManWriteVerilogArray( pFile, p, vSigs, 0, Vec_IntSize(vSigs), 0 );
fprintf( pFile, "}" );
}
void Prs_ManWriteVerilogSignal( FILE * pFile, Prs_Ntk_t * p, int Sig )
{
int Value = Abc_Lit2Var2( Sig );
Prs_ManType_t Type = Abc_Lit2Att2( Sig );
if ( Type == CBA_PRS_NAME || Type == CBA_PRS_CONST )
fprintf( pFile, "%s", Prs_NtkStr(p, Value) );
else if ( Type == CBA_PRS_SLICE )
fprintf( pFile, "%s%s", Prs_NtkStr(p, Prs_SliceName(p, Value)), Prs_NtkStr(p, Prs_SliceRange(p, Value)) );
else if ( Type == CBA_PRS_CONCAT )
Prs_ManWriteVerilogConcat( pFile, p, Value );
else assert( 0 );
}
void Prs_ManWriteVerilogArray( FILE * pFile, Prs_Ntk_t * p, Vec_Int_t * vSigs, int Start, int Stop, int fOdd )
{
int i, Sig;
assert( Vec_IntSize(vSigs) > 0 );
Vec_IntForEachEntryStartStop( vSigs, Sig, i, Start, Stop )
{
if ( fOdd && !(i & 1) )
continue;
Prs_ManWriteVerilogSignal( pFile, p, Sig );
fprintf( pFile, "%s", i == Stop - 1 ? "" : ", " );
}
}
void Prs_ManWriteVerilogArray2( FILE * pFile, Prs_Ntk_t * p, Vec_Int_t * vSigs )
{
int i, FormId, ActSig;
assert( Vec_IntSize(vSigs) % 2 == 0 );
Vec_IntForEachEntryDouble( vSigs, FormId, ActSig, i )
{
fprintf( pFile, "." );
fprintf( pFile, "%s", Prs_NtkStr(p, FormId) );
fprintf( pFile, "(" );
Prs_ManWriteVerilogSignal( pFile, p, ActSig );
fprintf( pFile, ")%s", (i == Vec_IntSize(vSigs) - 2) ? "" : ", " );
}
}
void Prs_ManWriteVerilogMux( FILE * pFile, Prs_Ntk_t * p, Vec_Int_t * vSigs )
{
int i, FormId, ActSig;
char * pStrs[4] = { " = ", " ? ", " : ", ";\n" };
assert( Vec_IntSize(vSigs) == 8 );
fprintf( pFile, " assign " );
Prs_ManWriteVerilogSignal( pFile, p, Vec_IntEntryLast(vSigs) );
fprintf( pFile, "%s", pStrs[0] );
Vec_IntForEachEntryDouble( vSigs, FormId, ActSig, i )
{
Prs_ManWriteVerilogSignal( pFile, p, ActSig );
fprintf( pFile, "%s", pStrs[1+i/2] );
if ( i == 4 )
break;
}
}
void Prs_ManWriteVerilogBoxes( FILE * pFile, Prs_Ntk_t * p )
{
Vec_Int_t * vBox; int i;
Prs_NtkForEachBox( p, vBox, i )
{
int NtkId = Prs_BoxNtk(p, i);
if ( NtkId == CBA_BOX_MUX )
Prs_ManWriteVerilogMux( pFile, p, vBox );
else if ( Prs_BoxIsNode(p, i) ) // node ------- check order of fanins
{
fprintf( pFile, " %s (", Ptr_TypeToName(NtkId) );
Prs_ManWriteVerilogSignal( pFile, p, Vec_IntEntryLast(vBox) );
if ( Prs_BoxIONum(p, i) > 1 )
fprintf( pFile, ", " );
Prs_ManWriteVerilogArray( pFile, p, vBox, 0, Vec_IntSize(vBox)-2, 1 );
fprintf( pFile, ");\n" );
}
else // box
{
//char * s = Prs_NtkStr(p, Vec_IntEntry(vBox, 0));
fprintf( pFile, " %s %s (", Prs_NtkStr(p, NtkId), Prs_BoxName(p, i) ? Prs_NtkStr(p, Prs_BoxName(p, i)) : "" );
Prs_ManWriteVerilogArray2( pFile, p, vBox );
fprintf( pFile, ");\n" );
}
}
}
void Prs_ManWriteVerilogIos( FILE * pFile, Prs_Ntk_t * p, int SigType )
{
int NameId, RangeId, i;
char * pSigNames[4] = { "inout", "input", "output", "wire" };
Vec_Int_t * vSigs[4] = { &p->vInouts, &p->vInputs, &p->vOutputs, &p->vWires };
Vec_Int_t * vSigsR[4] = { &p->vInoutsR, &p->vInputsR, &p->vOutputsR, &p->vWiresR };
if ( SigType == 3 )
fprintf( pFile, "\n" );
Vec_IntForEachEntryTwo( vSigs[SigType], vSigsR[SigType], NameId, RangeId, i )
fprintf( pFile, " %s %s%s;\n", pSigNames[SigType], RangeId ? Prs_NtkStr(p, RangeId) : "", Prs_NtkStr(p, NameId) );
}
void Prs_ManWriteVerilogIoOrder( FILE * pFile, Prs_Ntk_t * p, Vec_Int_t * vOrder )
{
int i, NameId;
Vec_IntForEachEntry( vOrder, NameId, i )
fprintf( pFile, "%s%s", Prs_NtkStr(p, NameId), i == Vec_IntSize(vOrder) - 1 ? "" : ", " );
}
void Prs_ManWriteVerilogNtk( FILE * pFile, Prs_Ntk_t * p )
{
int s;
// write header
fprintf( pFile, "module %s (\n ", Prs_NtkStr(p, p->iModuleName) );
Prs_ManWriteVerilogIoOrder( pFile, p, &p->vOrder );
fprintf( pFile, "\n );\n" );
// write declarations
for ( s = 0; s < 4; s++ )
Prs_ManWriteVerilogIos( pFile, p, s );
fprintf( pFile, "\n" );
// write objects
Prs_ManWriteVerilogBoxes( pFile, p );
fprintf( pFile, "endmodule\n\n" );
}
void Prs_ManWriteVerilog( char * pFileName, Vec_Ptr_t * vPrs )
{
Prs_Ntk_t * pNtk = Prs_ManRoot(vPrs); int i;
FILE * pFile = fopen( pFileName, "wb" );
if ( pFile == NULL )
{
printf( "Cannot open output file \"%s\".\n", pFileName );
return;
}
fprintf( pFile, "// Design \"%s\" written by ABC on %s\n\n", Prs_NtkStr(pNtk, pNtk->iModuleName), Extra_TimeStamp() );
Vec_PtrForEachEntry( Prs_Ntk_t *, vPrs, pNtk, i )
Prs_ManWriteVerilogNtk( pFile, pNtk );
fclose( pFile );
}
/**Function*************************************************************
Synopsis [Collect all nodes names used that are not inputs/outputs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
Vec_Int_t * Cba_NtkCollectWires( Cba_Ntk_t * p, Vec_Int_t * vMap, Vec_Int_t * vWires )
{
int i, k, iTerm, iObj, NameId;
Vec_IntClear( vWires );
Cba_NtkForEachPi( p, iObj, i )
Vec_IntWriteEntry( vMap, Cba_ObjName(p, iObj), 1 );
Cba_NtkForEachPo( p, iObj, i )
Vec_IntWriteEntry( vMap, Cba_ObjName(p, iObj), 1 );
Cba_NtkForEachBox( p, iObj )
{
Cba_BoxForEachBi( p, iObj, iTerm, k )
{
NameId = Cba_ObjName( p, iTerm );
if ( Vec_IntEntry(vMap, NameId) == 0 )
{
Vec_IntWriteEntry( vMap, NameId, 1 );
Vec_IntPush( vWires, iTerm );
}
}
Cba_BoxForEachBo( p, iObj, iTerm, k )
{
NameId = Cba_ObjName( p, iTerm );
if ( Vec_IntEntry(vMap, NameId) == 0 )
{
Vec_IntWriteEntry( vMap, NameId, 1 );
Vec_IntPush( vWires, iTerm );
}
}
}
Cba_NtkForEachPi( p, iObj, i )
Vec_IntWriteEntry( vMap, Cba_ObjName(p, iObj), 0 );
Cba_NtkForEachPo( p, iObj, i )
Vec_IntWriteEntry( vMap, Cba_ObjName(p, iObj), 0 );
Vec_IntForEachEntry( vWires, iObj, i )
Vec_IntWriteEntry( vMap, Cba_ObjName(p, iObj), 0 );
//Vec_IntSort( vWires, 0 );
return vWires;
}
/**Function*************************************************************
Synopsis []
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Cba_ManWriteVerilogArray2( FILE * pFile, Cba_Ntk_t * p, int iObj, Vec_Int_t * vFanins )
{
int i, iFanin;
fprintf( pFile, "%s%s", Cba_ObjNameStr(p, iObj), (Vec_IntSize(vFanins) == 0) ? "" : ", " );
Vec_IntForEachEntry( vFanins, iFanin, i )
fprintf( pFile, "%s%s", Cba_ObjNameStr(p, iFanin), (i == Vec_IntSize(vFanins) - 1) ? "" : ", " );
}
void Cba_ManWriteVerilogBoxes( FILE * pFile, Cba_Ntk_t * p )
{
int i, k, iTerm;
Cba_NtkForEachBox( p, i ) // .subckt/.gate/box (formal/actual binding)
{
if ( Cba_ObjIsBoxUser(p, i) )
{
Cba_Ntk_t * pModel = Cba_BoxNtk( p, i );
fprintf( pFile, " %s %s (", Cba_NtkName(pModel), Cba_ObjNameStr(p, i) ? Cba_ObjNameStr(p, i) : "" );
Cba_NtkForEachPi( pModel, iTerm, k )
fprintf( pFile, "%s.%s(%s)", k ? ", " : "", Cba_ObjNameStr(pModel, iTerm), Cba_ObjNameStr(p, Cba_BoxBi(p, i, k)) );
Cba_NtkForEachPo( pModel, iTerm, k )
fprintf( pFile, "%s.%s(%s)", Cba_NtkPiNum(pModel) ? ", " : "", Cba_ObjNameStr(pModel, iTerm), Cba_ObjNameStr(p, Cba_BoxBo(p, i, k)) );
fprintf( pFile, ")\n" );
}
else
{
Cba_ObjType_t Type = Cba_ObjType( p, i );
int nInputs = Cba_BoxBiNum(p, i);
fprintf( pFile, " %s (", Ptr_TypeToName(Type) );
Cba_BoxForEachBo( p, i, iTerm, k )
fprintf( pFile, "%s%s", Cba_ObjNameStr(p, iTerm), nInputs ? ", " : "" );
Cba_BoxForEachBi( p, i, iTerm, k )
fprintf( pFile, "%s%s", Cba_ObjNameStr(p, iTerm), k < nInputs - 1 ? ", " : "" );
fprintf( pFile, ");\n" );
}
}
}
void Cba_ManWriteVerilogSignals( FILE * pFile, Cba_Ntk_t * p, int SigType, int fNoRange, Vec_Int_t * vWires )
{
int NameId, RangeId, i;
char * pSigNames[3] = { "input", "output", "wire" };
Vec_Int_t * vSigs[3] = { &p->vInputs, &p->vOutputs, vWires };
if ( fNoRange )
{
Vec_IntForEachEntry( vSigs[SigType], NameId, i )
fprintf( pFile, " %s %s;\n", pSigNames[SigType], SigType==3 ? Cba_NtkStr(p, NameId) : Cba_ObjNameStr(p, NameId) );
}
else
{
Vec_IntForEachEntryDouble( vSigs[SigType], NameId, RangeId, i )
fprintf( pFile, " %s %s%s;\n", pSigNames[SigType], RangeId ? Cba_NtkStr(p, RangeId) : "", SigType==3 ? Cba_NtkStr(p, NameId) : Cba_ObjNameStr(p, NameId) );
}
}
void Cba_ManWriteVerilogSignalList( FILE * pFile, Cba_Ntk_t * p, int SigType, int fSkipComma, int fNoRange, Vec_Int_t * vWires )
{
int NameId, RangeId, i;
Vec_Int_t * vSigs[3] = { &p->vInputs, &p->vOutputs, vWires };
if ( fNoRange )
{
Vec_IntForEachEntry( vSigs[SigType], NameId, i )
fprintf( pFile, "%s%s", Cba_ObjNameStr(p, NameId), (fSkipComma && i == Vec_IntSize(vSigs[SigType]) - 1) ? "" : ", " );
}
else
{
Vec_IntForEachEntryDouble( vSigs[SigType], NameId, RangeId, i )
fprintf( pFile, "%s%s", Cba_ObjNameStr(p, NameId), (fSkipComma && i == Vec_IntSize(vSigs[SigType]) - 2) ? "" : ", " );
}
}
void Cba_ManWriteVerilogNtk( FILE * pFile, Cba_Ntk_t * p, Vec_Int_t * vMap, Vec_Int_t * vWires )
{
int s;
assert( Vec_IntSize(&p->vFanin) == Cba_NtkObjNum(p) );
// collect wires
Cba_NtkCollectWires( p, vMap, vWires );
// write header
fprintf( pFile, "module %s (\n", Cba_NtkName(p) );
for ( s = 0; s < 2; s++ )
{
fprintf( pFile, " " );
Cba_ManWriteVerilogSignalList( pFile, p, s, s==2, 1, vWires );
fprintf( pFile, "\n" );
}
fprintf( pFile, " );\n" );
// write declarations
for ( s = 0; s < 3; s++ )
Cba_ManWriteVerilogSignals( pFile, p, s, 1, vWires );
fprintf( pFile, "\n" );
// write objects
Cba_ManWriteVerilogBoxes( pFile, p );
fprintf( pFile, "endmodule\n\n" );
}
void Cba_ManWriteVerilog( char * pFileName, Cba_Man_t * p )
{
FILE * pFile;
Cba_Ntk_t * pNtk;
Vec_Int_t * vMap, * vWires;
int i;
// check the library
if ( p->pMioLib && p->pMioLib != Abc_FrameReadLibGen() )
{
printf( "Genlib library used in the mapped design is not longer a current library.\n" );
return;
}
pFile = fopen( pFileName, "wb" );
if ( pFile == NULL )
{
printf( "Cannot open output file \"%s\".\n", pFileName );
return;
}
fprintf( pFile, "// Design \"%s\" written by ABC on %s\n\n", Cba_ManName(p), Extra_TimeStamp() );
Cba_ManAssignInternNames( p );
vMap = Vec_IntStart( Abc_NamObjNumMax(p->pStrs) + 1 );
vWires = Vec_IntAlloc( 1000 );
Cba_ManForEachNtk( p, pNtk, i )
Cba_ManWriteVerilogNtk( pFile, pNtk, vMap, vWires );
Vec_IntFree( vWires );
Vec_IntFree( vMap );
fclose( pFile );
}
////////////////////////////////////////////////////////////////////////
/// END OF FILE ///
////////////////////////////////////////////////////////////////////////
ABC_NAMESPACE_IMPL_END
|
