diff options
Diffstat (limited to 'src/aig/gia/giaUtil.c')
-rw-r--r-- | src/aig/gia/giaUtil.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/src/aig/gia/giaUtil.c b/src/aig/gia/giaUtil.c index ff44eecf..ee960c63 100644 --- a/src/aig/gia/giaUtil.c +++ b/src/aig/gia/giaUtil.c @@ -1930,6 +1930,98 @@ Vec_Int_t * Gia_ManPoXSim( Gia_Man_t * p, int nFrames, int fVerbose ) return vRes; } +#define MAX_LUT_SIZE 8 +typedef struct Gia_MapLut_t_ +{ + int Type; // node type: PI=1, PO=2, LUT=3 + int Out; // ID + int StartId; // -1 + int nFans; // fanin count + float Delay; // 0.0 + int pFans[MAX_LUT_SIZE]; // fanin IDs + unsigned pTruth[MAX_LUT_SIZE<6?1:(1<<(MAX_LUT_SIZE-5))]; // the truth table +} Gia_MapLut_t; + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Gia_AigerWriteLut( Gia_Man_t * p, char * pFileName ) +{ + Gia_Obj_t * pObj; + int i, k, iFan, iLut = 0; + int LutSizeMax = Gia_ManLutSizeMax( p ); + int nUints = Abc_TruthWordNum(LutSizeMax); + int nLuts = 1 + Gia_ManCiNum(p) + Gia_ManCoNum(p) + Gia_ManLutNum(p); + Gia_MapLut_t * pLuts = ABC_CALLOC( Gia_MapLut_t, nLuts ); + Vec_Wrd_t * vTruths = Vec_WrdStart( Gia_ManObjNum(p) ); + assert( LutSizeMax <= 6 ); + // set obj numbers + // constant + pLuts->Type = 3; + memset( pLuts->pTruth, 0xFF, sizeof(unsigned) * nUints ); + Gia_ManFillValue(p); + Gia_ManConst0(p)->Value = pLuts[iLut].Out = Abc_Var2Lit( iLut, 0 ); + iLut++; + // inputs + Gia_ManForEachCi( p, pObj, i ) + { + pLuts[iLut].Type = 1; + memset( pLuts[iLut].pTruth, 0xAA, sizeof(unsigned) * nUints ); + pObj->Value = pLuts[iLut].Out = Abc_Var2Lit( iLut, 0 ); + iLut++; + } + // nodes + Gia_ManForEachObj( p, pObj, i ) + if ( i && Gia_ObjIsLut(p, i) ) + { + pLuts[iLut].Type = 3; + Gia_LutForEachFanin( p, i, iFan, k ) + pLuts[iLut].pFans[k] = Gia_ManObj(p, iFan)->Value; + pLuts[iLut].nFans = k; + *(word *)pLuts[iLut].pTruth = Gia_LutComputeTruth6(p, i, vTruths); + pObj->Value = pLuts[iLut].Out = Abc_Var2Lit( iLut, 0 ); + iLut++; + } + // outputs + Gia_ManForEachCo( p, pObj, i ) + { + pLuts[iLut].Type = 2; + pLuts[iLut].pFans[0] = Gia_ObjFanin0(pObj)->Value; + if ( Gia_ObjFaninC0(pObj) ^ Gia_ObjIsConst0(Gia_ObjFanin0(pObj)) ) + memset( pLuts[iLut].pTruth, 0x55, sizeof(unsigned) * nUints ); + else + memset( pLuts[iLut].pTruth, 0xAA, sizeof(unsigned) * nUints ); + pLuts[iLut].nFans = 1; + pObj->Value = pLuts[iLut].Out = Abc_Var2Lit( iLut, 0 ); + iLut++; + } + assert( iLut == nLuts ); + // dump into a file + { + FILE * pFile = fopen( pFileName, "wb" ); + if ( pFile == NULL ) + printf( "Cannot open file \"%s\" for writing.\n", pFileName ); + else + { + int nSize1 = nLuts * sizeof(Gia_MapLut_t); + int nSize2 = fwrite( pLuts, 1, nSize1, pFile ); + assert( nSize1 == nSize2 ); + printf( "Successfully dumped %d bytes of binary data.\n", nSize1 ); + } + fclose( pFile ); + } + ABC_FREE( pLuts ); + Vec_WrdFree( vTruths ); +} + //////////////////////////////////////////////////////////////////////// /// END OF FILE /// //////////////////////////////////////////////////////////////////////// |