mirror of https://github.com/YosysHQ/abc.git
598 lines
26 KiB
C
598 lines
26 KiB
C
/**CFile****************************************************************
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FileName [wlcWriteVer.c]
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SystemName [ABC: Logic synthesis and verification system.]
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PackageName [Verilog parser.]
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Synopsis [Writes word-level Verilog.]
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Author [Alan Mishchenko]
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Affiliation [UC Berkeley]
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Date [Ver. 1.0. Started - August 22, 2014.]
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Revision [$Id: wlcWriteVer.c,v 1.00 2014/09/12 00:00:00 alanmi Exp $]
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***********************************************************************/
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#include "wlc.h"
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ABC_NAMESPACE_IMPL_START
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////////////////////////////////////////////////////////////////////////
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/// DECLARATIONS ///
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////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////
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/// FUNCTION DEFINITIONS ///
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////////////////////////////////////////////////////////////////////////
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/**Function*************************************************************
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Synopsis []
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Wlc_WriteTableOne( FILE * pFile, int nFans, int nOuts, word * pTable, int Id )
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{
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int m, nMints = (1<<nFans);
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// Abc_TtPrintHexArrayRev( stdout, pTable, nMints ); printf( "\n" );
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assert( nOuts > 0 && nOuts <= 64 && (64 % nOuts) == 0 );
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fprintf( pFile, "module table%d(ind, val);\n", Id );
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fprintf( pFile, " input [%d:0] ind;\n", nFans-1 );
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fprintf( pFile, " output [%d:0] val;\n", nOuts-1 );
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fprintf( pFile, " reg [%d:0] val;\n", nOuts-1 );
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fprintf( pFile, " always @(ind)\n" );
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fprintf( pFile, " begin\n" );
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fprintf( pFile, " case (ind)\n" );
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for ( m = 0; m < nMints; m++ )
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fprintf( pFile, " %d\'h%x: val = %d\'h%x;\n", nFans, m, nOuts, (unsigned)((pTable[(nOuts * m) >> 6] >> ((nOuts * m) & 63)) & Abc_Tt6Mask(nOuts)) );
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fprintf( pFile, " endcase\n" );
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fprintf( pFile, " end\n" );
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fprintf( pFile, "endmodule\n" );
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fprintf( pFile, "\n" );
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}
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void Wlc_WriteTables( FILE * pFile, Wlc_Ntk_t * p )
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{
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Vec_Int_t * vNodes;
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Wlc_Obj_t * pObj, * pFanin;
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word * pTable;
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int i;
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if ( p->vTables == NULL || Vec_PtrSize(p->vTables) == 0 )
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return;
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// map tables into their nodes
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vNodes = Vec_IntStart( Vec_PtrSize(p->vTables) );
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Wlc_NtkForEachObj( p, pObj, i )
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if ( pObj->Type == WLC_OBJ_TABLE )
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Vec_IntWriteEntry( vNodes, Wlc_ObjTableId(pObj), i );
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// write tables
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Vec_PtrForEachEntry( word *, p->vTables, pTable, i )
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{
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pObj = Wlc_NtkObj( p, Vec_IntEntry(vNodes, i) );
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assert( pObj->Type == WLC_OBJ_TABLE );
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pFanin = Wlc_ObjFanin0( p, pObj );
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Wlc_WriteTableOne( pFile, Wlc_ObjRange(pFanin), Wlc_ObjRange(pObj), pTable, i );
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}
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Vec_IntFree( vNodes );
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}
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/**Function*************************************************************
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Synopsis [This was used to add POs to each node except PIs and MUXes.]
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Wlc_WriteAddPos( Wlc_Ntk_t * p )
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{
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Wlc_Obj_t * pObj;
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int i;
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Vec_IntClear( &p->vPos );
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Wlc_NtkForEachObj( p, pObj, i )
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if ( pObj->Type != WLC_OBJ_PI && pObj->Type != WLC_OBJ_MUX )
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{
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pObj->fIsPo = 1;
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Vec_IntPush( &p->vPos, Wlc_ObjId(p, pObj) );
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}
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}
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/**Function*************************************************************
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Synopsis []
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Description []
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SideEffects []
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SeeAlso []
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***********************************************************************/
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void Wlc_WriteVerIntVec( FILE * pFile, Wlc_Ntk_t * p, Vec_Int_t * vVec, int Start )
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{
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char * pName;
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int LineLength = Start;
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int NameCounter = 0;
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int AddedLength, i, iObj;
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Vec_IntForEachEntry( vVec, iObj, i )
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{
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pName = Wlc_ObjName( p, iObj );
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// get the line length after this name is written
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AddedLength = strlen(pName) + 2;
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if ( NameCounter && LineLength + AddedLength + 3 > 70 )
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{ // write the line extender
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fprintf( pFile, "\n " );
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// reset the line length
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LineLength = Start;
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NameCounter = 0;
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}
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fprintf( pFile, " %s%s", pName, (i==Vec_IntSize(vVec)-1)? "" : "," );
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LineLength += AddedLength;
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NameCounter++;
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}
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}
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void Wlc_WriteVerInt( FILE * pFile, Wlc_Ntk_t * p, int fNoFlops )
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{
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Wlc_Obj_t * pObj;
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int i, k, j, iFanin;
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char Range[100];
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fprintf( pFile, "module %s ( ", p->pName );
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fprintf( pFile, "\n " );
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if ( Wlc_NtkPiNum(p) > 0 || (fNoFlops && Wlc_NtkCiNum(p)) )
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{
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Wlc_WriteVerIntVec( pFile, p, fNoFlops ? &p->vCis : &p->vPis, 3 );
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fprintf( pFile, ",\n " );
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}
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if ( Wlc_NtkPoNum(p) > 0 || (fNoFlops && Wlc_NtkCoNum(p)) )
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Wlc_WriteVerIntVec( pFile, p, fNoFlops ? &p->vCos : &p->vPos, 3 );
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fprintf( pFile, " );\n" );
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// mark fanins of rotation shifts
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Wlc_NtkForEachObj( p, pObj, i )
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if ( pObj->Type == WLC_OBJ_ROTATE_R || pObj->Type == WLC_OBJ_ROTATE_L )
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Wlc_ObjFanin1(p, pObj)->Mark = 1;
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Wlc_NtkForEachObj( p, pObj, i )
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{
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int nDigits = Abc_Base10Log(Abc_AbsInt(pObj->End)+1) + Abc_Base10Log(Abc_AbsInt(pObj->Beg)+1) + (int)(pObj->End < 0) + (int)(pObj->Beg < 0);
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if ( pObj->Mark )
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{
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pObj->Mark = 0;
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continue;
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}
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sprintf( Range, "%s[%d:%d]%*s", (!p->fSmtLib && Wlc_ObjIsSigned(pObj)) ? "signed ":" ", pObj->End, pObj->Beg, 8-nDigits, "" );
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fprintf( pFile, " " );
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if ( pObj->Type == WLC_OBJ_PI || (fNoFlops && pObj->Type == WLC_OBJ_FO) )
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fprintf( pFile, "input " );
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else if ( pObj->fIsPo || (fNoFlops && pObj->fIsFi) )
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fprintf( pFile, "output " );
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else
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fprintf( pFile, " " );
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if ( Wlc_ObjIsCi(pObj) || pObj->fIsPo || (fNoFlops && pObj->fIsFi) )
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{
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fprintf( pFile, "wire %s %s ;\n", Range, Wlc_ObjName(p, i) );
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if ( Wlc_ObjIsCi(pObj) )
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continue;
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Range[0] = 0;
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}
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if ( (pObj->fIsPo || (fNoFlops && pObj->fIsFi)) && pObj->Type != WLC_OBJ_FF )
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{
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if ( Wlc_ObjFaninNum(pObj) == 0 )
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continue;
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fprintf( pFile, " assign " );
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}
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else if ( (pObj->Type == WLC_OBJ_MUX && Wlc_ObjFaninNum(pObj) > 3) || pObj->Type == WLC_OBJ_SEL )
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fprintf( pFile, "reg %s ", Range );
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else
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fprintf( pFile, "wire %s ", Range );
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if ( pObj->Type == WLC_OBJ_TABLE )
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{
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// wire [3:0] s4972; table0 s4972_Index(s4971, s4972);
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fprintf( pFile, "%s ; table%d", Wlc_ObjName(p, i), Wlc_ObjTableId(pObj) );
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fprintf( pFile, " s%d_Index(%s, ", i, Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
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fprintf( pFile, "%s)", Wlc_ObjName(p, i) );
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}
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else if ( pObj->Type == WLC_OBJ_CONST )
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{
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fprintf( pFile, "%-16s = %d\'%sh", Wlc_ObjName(p, i), Wlc_ObjRange(pObj), Wlc_ObjIsSigned(pObj) ? "s":"" );
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if ( pObj->fXConst )
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{
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for ( k = 0; k < (Wlc_ObjRange(pObj) + 3) / 4; k++ )
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fprintf( pFile, "x" );
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}
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else
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Abc_TtPrintHexArrayRev( pFile, (word *)Wlc_ObjConstValue(pObj), (Wlc_ObjRange(pObj) + 3) / 4 );
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}
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else if ( pObj->Type == WLC_OBJ_ROTATE_R || pObj->Type == WLC_OBJ_ROTATE_L )
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{
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// wire [27:0] s4960 = (s57 >> 17) | (s57 << 11);
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Wlc_Obj_t * pShift = Wlc_ObjFanin1(p, pObj);
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int Num0 = *Wlc_ObjConstValue(pShift);
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int Num1 = Wlc_ObjRange(pObj) - Num0;
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assert( pShift->Type == WLC_OBJ_CONST );
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assert( Num0 > 0 && Num0 < Wlc_ObjRange(pObj) );
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fprintf( pFile, "%-16s = ", Wlc_ObjName(p, i) );
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if ( pObj->Type == WLC_OBJ_ROTATE_R )
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fprintf( pFile, "(%s >> %d) | (%s << %d)", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)), Num0, Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)), Num1 );
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else
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fprintf( pFile, "(%s << %d) | (%s >> %d)", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)), Num0, Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)), Num1 );
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}
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else if ( pObj->Type == WLC_OBJ_MUX && Wlc_ObjFaninNum(pObj) > 3 )
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{
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fprintf( pFile, "%s ;\n", Wlc_ObjName(p, i) );
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fprintf( pFile, " " );
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fprintf( pFile, "always @( " );
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Wlc_ObjForEachFanin( pObj, iFanin, k )
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fprintf( pFile, "%s%s", k ? " or ":"", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, k)) );
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fprintf( pFile, " )\n" );
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fprintf( pFile, " " );
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fprintf( pFile, "begin\n" );
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fprintf( pFile, " " );
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fprintf( pFile, "case ( %s )\n", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, 0)) );
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Wlc_ObjForEachFanin( pObj, iFanin, k )
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{
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if ( !k ) continue;
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fprintf( pFile, " " );
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fprintf( pFile, "%d : %s = ", k-1, Wlc_ObjName(p, i) );
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fprintf( pFile, "%s ;\n", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, k)) );
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}
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fprintf( pFile, " " );
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fprintf( pFile, "endcase\n" );
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fprintf( pFile, " " );
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fprintf( pFile, "end\n" );
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continue;
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}
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else if ( pObj->Type == WLC_OBJ_SEL )
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{
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fprintf( pFile, "%s ;\n", Wlc_ObjName(p, i) );
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fprintf( pFile, " " );
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fprintf( pFile, "always @( " );
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Wlc_ObjForEachFanin( pObj, iFanin, k )
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fprintf( pFile, "%s%s", k ? " or ":"", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, k)) );
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fprintf( pFile, " )\n" );
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fprintf( pFile, " " );
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fprintf( pFile, "begin\n" );
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fprintf( pFile, " " );
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fprintf( pFile, "case ( %s )\n", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, 0)) );
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Wlc_ObjForEachFanin( pObj, iFanin, k )
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{
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if ( !k ) continue;
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fprintf( pFile, " " );
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fprintf( pFile, "%d\'b", Wlc_ObjFaninNum(pObj)-1 );
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for ( j = Wlc_ObjFaninNum(pObj)-1; j > 0; j-- )
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fprintf( pFile, "%d", (int)(j==k) );
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fprintf( pFile, " : %s = ", Wlc_ObjName(p, i) );
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fprintf( pFile, "%s ;\n", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, k)) );
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}
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fprintf( pFile, " " );
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fprintf( pFile, "default" );
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fprintf( pFile, " : %s = ", Wlc_ObjName(p, i) );
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fprintf( pFile, "%d\'b", Wlc_ObjRange(pObj) );
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for ( j = Wlc_ObjRange(pObj)-1; j >= 0; j-- )
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fprintf( pFile, "%d", 0 );
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fprintf( pFile, " ;\n" );
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fprintf( pFile, " " );
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fprintf( pFile, "endcase\n" );
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fprintf( pFile, " " );
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fprintf( pFile, "end\n" );
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continue;
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}
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else if ( pObj->Type == WLC_OBJ_DEC )
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{
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int nRange = Wlc_ObjRange(Wlc_ObjFanin0(p, pObj));
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assert( (1 << nRange) == Wlc_ObjRange(pObj) );
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fprintf( pFile, "%s ;\n", Wlc_ObjName(p, i) );
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for ( k = 0; k < Wlc_ObjRange(pObj); k++ )
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{
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fprintf( pFile, " " );
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fprintf( pFile, "wire " );
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fprintf( pFile, "%s_", Wlc_ObjName(p, i) );
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for ( j = 0; j < nRange; j++ )
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fprintf( pFile, "%d", (k >> (nRange-1-j)) & 1 );
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fprintf( pFile, " = " );
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for ( j = 0; j < nRange; j++ )
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fprintf( pFile, "%s%s%s[%d]",
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j ? " & ":"", ((k >> (nRange-1-j)) & 1) ? " ":"~",
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Wlc_ObjName(p, Wlc_ObjFaninId(pObj, 0)), nRange-1-j );
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fprintf( pFile, " ;\n" );
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}
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fprintf( pFile, " " );
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fprintf( pFile, "assign %s = { ", Wlc_ObjName(p, i) );
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for ( k = Wlc_ObjRange(pObj)-1; k >= 0; k-- )
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{
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fprintf( pFile, "%s%s_", k < Wlc_ObjRange(pObj)-1 ? ", ":"", Wlc_ObjName(p, i) );
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for ( j = 0; j < nRange; j++ )
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fprintf( pFile, "%d", (k >> (nRange-1-j)) & 1 );
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}
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fprintf( pFile, " } ;\n" );
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continue;
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}
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else if ( pObj->Type == WLC_OBJ_ARI_ADDSUB )
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{
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// out = mode ? a+b+cin : a-b-cin
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fprintf( pFile, "%s ;\n", Wlc_ObjName(p, i) );
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fprintf( pFile, " " );
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fprintf( pFile, "assign " );
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fprintf( pFile, "%s = %s ? %s + %s + %s : %s - %s - %s ;\n",
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Wlc_ObjName(p, i), Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)),
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Wlc_ObjName(p, Wlc_ObjFaninId2(pObj)), Wlc_ObjName(p, Wlc_ObjFaninId(pObj,3)), Wlc_ObjName(p, Wlc_ObjFaninId1(pObj)),
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Wlc_ObjName(p, Wlc_ObjFaninId2(pObj)), Wlc_ObjName(p, Wlc_ObjFaninId(pObj,3)), Wlc_ObjName(p, Wlc_ObjFaninId1(pObj))
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);
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continue;
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}
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else if ( pObj->Type == WLC_OBJ_READ || pObj->Type == WLC_OBJ_WRITE )
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{
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if ( p->fMemPorts )
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{
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fprintf( pFile, "%s ;\n", Wlc_ObjName(p, i) );
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fprintf( pFile, " " );
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fprintf( pFile, "%s (", pObj->Type == WLC_OBJ_READ ? "ABC_READ" : "ABC_WRITE" );
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Wlc_ObjForEachFanin( pObj, iFanin, k )
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fprintf( pFile, " .%s(%s),", k==0 ? "mem_in" : (k==1 ? "addr": "data"), Wlc_ObjName(p, iFanin) );
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fprintf( pFile, " .%s(%s) ) ;\n", pObj->Type == WLC_OBJ_READ ? "data" : "mem_out", Wlc_ObjName(p, i) );
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continue;
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}
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else
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{
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int nBitsMem = Wlc_ObjRange( Wlc_ObjFanin(p, pObj, 0) );
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//int nBitsAddr = Wlc_ObjRange( Wlc_ObjFanin(p, pObj, 1) );
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int nBitsDat = pObj->Type == WLC_OBJ_READ ? Wlc_ObjRange(pObj) : Wlc_ObjRange(Wlc_ObjFanin(p, pObj, 2));
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int Depth = nBitsMem / nBitsDat;
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assert( nBitsMem % nBitsDat == 0 );
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fprintf( pFile, "%s ;\n", Wlc_ObjName(p, i) );
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fprintf( pFile, " " );
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fprintf( pFile, "%s_%d (", pObj->Type == WLC_OBJ_READ ? "CPL_MEM_READ" : "CPL_MEM_WRITE", Depth );
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Wlc_ObjForEachFanin( pObj, iFanin, k )
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fprintf( pFile, " .%s(%s),", k==0 ? "mem_data_in" : (k==1 ? "addr_in": "data_in"), Wlc_ObjName(p, iFanin) );
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fprintf( pFile, " .%s(%s) ) ;\n", "data_out", Wlc_ObjName(p, i) );
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continue;
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}
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}
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else if ( pObj->Type == WLC_OBJ_FF )
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{
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fprintf( pFile, "%s ;\n", Wlc_ObjName(p, i) );
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continue;
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}
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else
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{
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fprintf( pFile, "%-16s = ", Wlc_ObjName(p, i) );
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if ( pObj->Type == WLC_OBJ_BUF )
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fprintf( pFile, "%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
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else if ( pObj->Type == WLC_OBJ_MUX )
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{
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fprintf( pFile, "%s ? ", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
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fprintf( pFile, "%s : ", Wlc_ObjName(p, Wlc_ObjFaninId2(pObj)) );
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fprintf( pFile, "%s", Wlc_ObjName(p, Wlc_ObjFaninId1(pObj)) );
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}
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else if ( pObj->Type == WLC_OBJ_ARI_MINUS )
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fprintf( pFile, "-%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
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else if ( pObj->Type == WLC_OBJ_BIT_NOT )
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fprintf( pFile, "~%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
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else if ( pObj->Type == WLC_OBJ_LOGIC_NOT )
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fprintf( pFile, "!%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
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else if ( pObj->Type == WLC_OBJ_REDUCT_AND )
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fprintf( pFile, "&%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
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else if ( pObj->Type == WLC_OBJ_REDUCT_OR )
|
|
fprintf( pFile, "|%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
|
|
else if ( pObj->Type == WLC_OBJ_REDUCT_XOR )
|
|
fprintf( pFile, "^%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
|
|
else if ( pObj->Type == WLC_OBJ_REDUCT_NAND )
|
|
fprintf( pFile, "~&%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
|
|
else if ( pObj->Type == WLC_OBJ_REDUCT_NOR )
|
|
fprintf( pFile, "~|%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
|
|
else if ( pObj->Type == WLC_OBJ_REDUCT_NXOR )
|
|
fprintf( pFile, "~^%s", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_SELECT )
|
|
fprintf( pFile, "%s [%d:%d]", Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)), Wlc_ObjRangeEnd(pObj), Wlc_ObjRangeBeg(pObj) );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_SIGNEXT )
|
|
fprintf( pFile, "{ {%d{%s[%d]}}, %s }", Wlc_ObjRange(pObj) - Wlc_ObjRange(Wlc_ObjFanin0(p, pObj)), Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)), Wlc_ObjRange(Wlc_ObjFanin0(p, pObj)) - 1, Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_ZEROPAD )
|
|
fprintf( pFile, "{ {%d{1\'b0}}, %s }", Wlc_ObjRange(pObj) - Wlc_ObjRange(Wlc_ObjFanin0(p, pObj)), Wlc_ObjName(p, Wlc_ObjFaninId0(pObj)) );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_CONCAT )
|
|
{
|
|
fprintf( pFile, "{" );
|
|
Wlc_ObjForEachFanin( pObj, iFanin, k )
|
|
fprintf( pFile, " %s%s", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, k)), k == Wlc_ObjFaninNum(pObj)-1 ? "":"," );
|
|
fprintf( pFile, " }" );
|
|
}
|
|
else
|
|
{
|
|
fprintf( pFile, "%s ", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, 0)) );
|
|
if ( pObj->Type == WLC_OBJ_SHIFT_R )
|
|
fprintf( pFile, ">>" );
|
|
else if ( pObj->Type == WLC_OBJ_SHIFT_RA )
|
|
fprintf( pFile, ">>>" );
|
|
else if ( pObj->Type == WLC_OBJ_SHIFT_L )
|
|
fprintf( pFile, "<<" );
|
|
else if ( pObj->Type == WLC_OBJ_SHIFT_LA )
|
|
fprintf( pFile, "<<<" );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_AND )
|
|
fprintf( pFile, "&" );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_OR )
|
|
fprintf( pFile, "|" );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_XOR )
|
|
fprintf( pFile, "^" );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_NAND )
|
|
fprintf( pFile, "~&" );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_NOR )
|
|
fprintf( pFile, "~|" );
|
|
else if ( pObj->Type == WLC_OBJ_BIT_NXOR )
|
|
fprintf( pFile, "~^" );
|
|
else if ( pObj->Type == WLC_OBJ_LOGIC_IMPL )
|
|
fprintf( pFile, "=>" );
|
|
else if ( pObj->Type == WLC_OBJ_LOGIC_AND )
|
|
fprintf( pFile, "&&" );
|
|
else if ( pObj->Type == WLC_OBJ_LOGIC_OR )
|
|
fprintf( pFile, "||" );
|
|
else if ( pObj->Type == WLC_OBJ_LOGIC_XOR )
|
|
fprintf( pFile, "^^" );
|
|
else if ( pObj->Type == WLC_OBJ_COMP_EQU )
|
|
fprintf( pFile, "==" );
|
|
else if ( pObj->Type == WLC_OBJ_COMP_NOTEQU )
|
|
fprintf( pFile, "!=" );
|
|
else if ( pObj->Type == WLC_OBJ_COMP_LESS )
|
|
fprintf( pFile, "<" );
|
|
else if ( pObj->Type == WLC_OBJ_COMP_MORE )
|
|
fprintf( pFile, ">" );
|
|
else if ( pObj->Type == WLC_OBJ_COMP_LESSEQU )
|
|
fprintf( pFile, "<=" );
|
|
else if ( pObj->Type == WLC_OBJ_COMP_MOREEQU )
|
|
fprintf( pFile, ">=" );
|
|
else if ( pObj->Type == WLC_OBJ_ARI_ADD )
|
|
fprintf( pFile, "+" );
|
|
else if ( pObj->Type == WLC_OBJ_ARI_SUB )
|
|
fprintf( pFile, "-" );
|
|
else if ( pObj->Type == WLC_OBJ_ARI_MULTI )
|
|
fprintf( pFile, "*" );
|
|
else if ( pObj->Type == WLC_OBJ_ARI_DIVIDE )
|
|
fprintf( pFile, "/" );
|
|
else if ( pObj->Type == WLC_OBJ_ARI_REM )
|
|
fprintf( pFile, "%%" );
|
|
else if ( pObj->Type == WLC_OBJ_ARI_MODULUS )
|
|
fprintf( pFile, "%%" );
|
|
else if ( pObj->Type == WLC_OBJ_ARI_POWER )
|
|
fprintf( pFile, "**" );
|
|
else if ( pObj->Type == WLC_OBJ_ARI_SQRT )
|
|
fprintf( pFile, "@" );
|
|
else if ( pObj->Type == WLC_OBJ_ARI_SQUARE )
|
|
fprintf( pFile, "#" );
|
|
else
|
|
{
|
|
//assert( 0 );
|
|
printf( "Failed to write node \"%s\" with unknown operator type (%d).\n", Wlc_ObjName(p, i), pObj->Type );
|
|
fprintf( pFile, "???\n" );
|
|
continue;
|
|
}
|
|
fprintf( pFile, " %s", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, 1)) );
|
|
if ( Wlc_ObjFaninNum(pObj) == 3 && pObj->Type == WLC_OBJ_ARI_ADD )
|
|
fprintf( pFile, " + %s", Wlc_ObjName(p, Wlc_ObjFaninId(pObj, 2)) );
|
|
}
|
|
}
|
|
fprintf( pFile, " ;%s\n", (p->fSmtLib && Wlc_ObjIsSigned(pObj)) ? " // signed SMT-LIB operator" : "" );
|
|
}
|
|
iFanin = 0;
|
|
assert( !p->vInits || Wlc_NtkFfNum(p) == Vec_IntSize(p->vInits) );
|
|
if ( !fNoFlops )
|
|
{
|
|
if ( p->vInits )
|
|
Wlc_NtkForEachCi( p, pObj, i )
|
|
{
|
|
int nDigits = Abc_Base10Log(pObj->End+1) + 1;
|
|
char * pName = Wlc_ObjName(p, Wlc_ObjId(p, pObj));
|
|
assert( i == Wlc_ObjCiId(pObj) );
|
|
if ( pObj->Type == WLC_OBJ_PI )
|
|
continue;
|
|
sprintf( Range, " [%d:%d]%*s", Wlc_ObjRange(pObj) - 1, 0, 8-nDigits, "" );
|
|
fprintf( pFile, " " );
|
|
fprintf( pFile, "wire %s ", Range );
|
|
fprintf( pFile, "%s_init%*s = ", pName, 11 - (int)strlen(pName), "" );
|
|
if ( Vec_IntEntry(p->vInits, i-Wlc_NtkPiNum(p)) > 0 )
|
|
fprintf( pFile, "%s", Wlc_ObjName(p, Wlc_ObjId(p, Wlc_NtkPi(p, Vec_IntEntry(p->vInits, i-Wlc_NtkPiNum(p))))));
|
|
else
|
|
{
|
|
if ( p->pInits[iFanin] == 'x' || p->pInits[iFanin] == 'X' )
|
|
{
|
|
fprintf( pFile, "%d\'h", Wlc_ObjRange(pObj) );
|
|
for ( k = 0; k < (Wlc_ObjRange(pObj) + 3) / 4; k++ )
|
|
fprintf( pFile, "x" );
|
|
}
|
|
else
|
|
{
|
|
fprintf( pFile, "%d\'b", Wlc_ObjRange(pObj) );
|
|
for ( k = Wlc_ObjRange(pObj)-1; k >= 0; k-- )
|
|
fprintf( pFile, "%c", p->pInits[iFanin + k] );
|
|
}
|
|
}
|
|
fprintf( pFile, ";\n" );
|
|
iFanin += Wlc_ObjRange(pObj);
|
|
}
|
|
Wlc_NtkForEachCi( p, pObj, i )
|
|
{
|
|
assert( i == Wlc_ObjCiId(pObj) );
|
|
if ( pObj->Type == WLC_OBJ_PI )
|
|
continue;
|
|
fprintf( pFile, " " );
|
|
if ( p->fEasyFfs )
|
|
{
|
|
fprintf( pFile, "ABC_DFF" );
|
|
fprintf( pFile, " reg%d (", i );
|
|
fprintf( pFile, " .q(%s),", Wlc_ObjName(p, Wlc_ObjId(p, pObj)) );
|
|
fprintf( pFile, " .d(%s),", Wlc_ObjName(p, Wlc_ObjId(p, Wlc_ObjFo2Fi(p, pObj))) );
|
|
if ( p->vInits )
|
|
fprintf( pFile, " .init(%s_init)", Wlc_ObjName(p, Wlc_ObjId(p, pObj)) );
|
|
fprintf( pFile, " ) ;\n" );
|
|
}
|
|
else
|
|
{
|
|
fprintf( pFile, "CPL_FF" );
|
|
if ( Wlc_ObjRange(pObj) > 1 )
|
|
fprintf( pFile, "#%d%*s", Wlc_ObjRange(pObj), 4 - Abc_Base10Log(Wlc_ObjRange(pObj)+1), "" );
|
|
else
|
|
fprintf( pFile, " " );
|
|
fprintf( pFile, " reg%d (", i );
|
|
fprintf( pFile, " .q(%s),", Wlc_ObjName(p, Wlc_ObjId(p, pObj)) );
|
|
fprintf( pFile, " .qbar()," );
|
|
fprintf( pFile, " .d(%s),", Wlc_ObjName(p, Wlc_ObjId(p, Wlc_ObjFo2Fi(p, pObj))) );
|
|
fprintf( pFile, " .clk(%s),", "1\'b0" );
|
|
fprintf( pFile, " .arst(%s),", "1\'b0" );
|
|
if ( p->vInits )
|
|
fprintf( pFile, " .arstval(%s_init)", Wlc_ObjName(p, Wlc_ObjId(p, pObj)) );
|
|
else
|
|
fprintf( pFile, " .arstval(%s)", "1\'b0" );
|
|
fprintf( pFile, " ) ;\n" );
|
|
}
|
|
}
|
|
assert( !p->vInits || iFanin == (int)strlen(p->pInits) );
|
|
}
|
|
// write DFFs in the end
|
|
fprintf( pFile, "\n" );
|
|
Wlc_NtkForEachFf2( p, pObj, i )
|
|
{
|
|
char * pInNames[8] = {"d", "clk", "reset", "set", "enable", "async", "sre", "init"};
|
|
fprintf( pFile, " " );
|
|
fprintf( pFile, "%s (", "ABC_DFFRSE" );
|
|
Wlc_ObjForEachFanin( pObj, iFanin, k )
|
|
if ( iFanin ) fprintf( pFile, " .%s(%s),", pInNames[k], Wlc_ObjName(p, iFanin) );
|
|
fprintf( pFile, " .%s(%s) ) ;\n", "q", Wlc_ObjName(p, Wlc_ObjId(p, pObj)) );
|
|
}
|
|
fprintf( pFile, "\n" );
|
|
fprintf( pFile, "endmodule\n\n" );
|
|
}
|
|
void Wlc_WriteVer( Wlc_Ntk_t * p, char * pFileName, int fAddCos, int fNoFlops )
|
|
{
|
|
FILE * pFile;
|
|
pFile = fopen( pFileName, "w" );
|
|
if ( pFile == NULL )
|
|
{
|
|
fprintf( stdout, "Wlc_WriteVer(): Cannot open the output file \"%s\".\n", pFileName );
|
|
return;
|
|
}
|
|
fprintf( pFile, "// Benchmark \"%s\" from file \"%s\" written by ABC on %s\n", p->pName, p->pSpec ? p->pSpec : "unknown", Extra_TimeStamp() );
|
|
fprintf( pFile, "\n" );
|
|
Wlc_WriteTables( pFile, p );
|
|
if ( fAddCos )
|
|
Wlc_WriteAddPos( p );
|
|
Wlc_WriteVerInt( pFile, p, fNoFlops );
|
|
fprintf( pFile, "\n" );
|
|
fclose( pFile );
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
/// END OF FILE ///
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
ABC_NAMESPACE_IMPL_END
|
|
|