/**Function*************************************************************
Synopsis [Computes truth table of a 6-LUT.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_ObjComputeTruthTable6Lut_rec( Gia_Man_t * p, int iObj, Vec_Wrd_t * vTemp )
{
word uTruth0, uTruth1;
Gia_Obj_t * pObj = Gia_ManObj( p, iObj );
if ( !Gia_ObjIsAnd(pObj) )
return;
Gia_ObjComputeTruthTable6Lut_rec( p, Gia_ObjFaninId0p(p, pObj), vTemp );
Gia_ObjComputeTruthTable6Lut_rec( p, Gia_ObjFaninId1p(p, pObj), vTemp );
uTruth0 = Vec_WrdEntry( vTemp, Gia_ObjFanin0(pObj)->Value );
uTruth0 = Gia_ObjFaninC0(pObj) ? ~uTruth0 : uTruth0;
uTruth1 = Vec_WrdEntry( vTemp, Gia_ObjFanin1(pObj)->Value );
uTruth1 = Gia_ObjFaninC1(pObj) ? ~uTruth1 : uTruth1;
Vec_WrdWriteEntry( vTemp, iObj, uTruth0 & uTruth1 );
}
/**Function*************************************************************
Synopsis [Computes truth table up to 6 inputs.]
Description []
SideEffects []
SeeAlso []
***********************************************************************/
void Gia_ObjComputeTruthTable6_rec( Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Wrd_t * vTruths )
{
word uTruth0, uTruth1;
if ( Gia_ObjIsTravIdCurrent(p, pObj) )
return;
Gia_ObjSetTravIdCurrent(p, pObj);
assert( !pObj->fMark0 );
assert( Gia_ObjIsAnd(pObj) );
Gia_ObjComputeTruthTable6_rec( p, Gia_ObjFanin0(pObj), vTruths );
Gia_ObjComputeTruthTable6_rec( p, Gia_ObjFanin1(pObj), vTruths );
uTruth0 = Vec_WrdEntry( vTruths, Gia_ObjFanin0(pObj)->Value );
uTruth0 = Gia_ObjFaninC0(pObj) ? ~uTruth0 : uTruth0;
uTruth1 = Vec_WrdEntry( vTruths, Gia_ObjFanin1(pObj)->Value );
uTruth1 = Gia_ObjFaninC1(pObj) ? ~uTruth1 : uTruth1;
pObj->Value = Vec_WrdSize(vTruths);
Vec_WrdPush( vTruths, uTruth0 & uTruth1 );
}
word Gia_ObjComputeTruthTable6Lut( Gia_Man_t * p, int iObj, Vec_Wrd_t * vTemp )
{
int i, Fanin;
assert( Vec_WrdSize(vTemp) == Gia_ManObjNum(p) );
assert( Gia_ObjIsLut(p, iObj) );
Gia_LutForEachFanin( p, iObj, Fanin, i )
Vec_WrdWriteEntry( vTemp, Fanin, s_Truth6[i] );
assert( i <= 6 );
Gia_ObjComputeTruthTable6Lut_rec( p, iObj, vTemp );
return Vec_WrdEntry( vTemp, iObj );
}
static void Abc_SclReadLibrary( Vec_Str_t * vOut, int * pPos, SC_Lib * p )
{
int i, j, k, n;
int version = Vec_StrGetI( vOut, pPos );
assert( version == 5 || version == ABC_SCL_CUR_VERSION ); // wrong version of the file
// Read non-composite fields:
p->pName = Vec_StrGetS(vOut, pPos);
p->default_wire_load = Vec_StrGetS(vOut, pPos);
p->default_wire_load_sel = Vec_StrGetS(vOut, pPos);
p->default_max_out_slew = Vec_StrGetF(vOut, pPos);
p->unit_time = Vec_StrGetI(vOut, pPos);
p->unit_cap_fst = Vec_StrGetF(vOut, pPos);
p->unit_cap_snd = Vec_StrGetI(vOut, pPos);
// Read 'wire_load' vector:
for ( i = Vec_StrGetI(vOut, pPos); i != 0; i-- )
{
SC_WireLoad * pWL = Abc_SclWireLoadAlloc();
Vec_PtrPush( p->vWireLoads, pWL );
pWL->pName = Vec_StrGetS(vOut, pPos);
pWL->res = Vec_StrGetF(vOut, pPos);
pWL->cap = Vec_StrGetF(vOut, pPos);
for ( j = Vec_StrGetI(vOut, pPos); j != 0; j-- )
{
Vec_IntPush( pWL->vFanout, Vec_StrGetI(vOut, pPos) );
Vec_FltPush( pWL->vLen, Vec_StrGetF(vOut, pPos) );
}
}
// Read 'wire_load_sel' vector:
for ( i = Vec_StrGetI(vOut, pPos); i != 0; i-- )
{
SC_WireLoadSel * pWLS = Abc_SclWireLoadSelAlloc();
Vec_PtrPush( p->vWireLoadSels, pWLS );
pWLS->pName = Vec_StrGetS(vOut, pPos);
for ( j = Vec_StrGetI(vOut, pPos); j != 0; j-- )
{
Vec_FltPush( pWLS->vAreaFrom, Vec_StrGetF(vOut, pPos) );
Vec_FltPush( pWLS->vAreaTo, Vec_StrGetF(vOut, pPos) );
Vec_PtrPush( pWLS->vWireLoadModel, Vec_StrGetS(vOut, pPos) );
}
}
for ( i = Vec_StrGetI(vOut, pPos); i != 0; i-- )
{
SC_Cell * pCell = Abc_SclCellAlloc();
pCell->Id = SC_LibCellNum(p);
Vec_PtrPush( p->vCells, pCell );
pCell->pName = Vec_StrGetS(vOut, pPos);
pCell->area = Vec_StrGetF(vOut, pPos);
pCell->drive_strength = Vec_StrGetI(vOut, pPos);
pCell->n_inputs = Vec_StrGetI(vOut, pPos);
pCell->n_outputs = Vec_StrGetI(vOut, pPos);
/*
printf( "%s\n", pCell->pName );
if ( !strcmp( "XOR3_X4M_A9TL", pCell->pName ) )
{
int s = 0;
}
*/
for ( j = 0; j < pCell->n_inputs; j++ )
{
SC_Pin * pPin = Abc_SclPinAlloc();
Vec_PtrPush( pCell->vPins, pPin );
pPin->dir = sc_dir_Input;
pPin->pName = Vec_StrGetS(vOut, pPos);
pPin->rise_cap = Vec_StrGetF(vOut, pPos);
pPin->fall_cap = Vec_StrGetF(vOut, pPos);
}
for ( j = 0; j < pCell->n_outputs; j++ )
{
SC_Pin * pPin = Abc_SclPinAlloc();
Vec_PtrPush( pCell->vPins, pPin );
pPin->dir = sc_dir_Output;
pPin->pName = Vec_StrGetS(vOut, pPos);
pPin->max_out_cap = Vec_StrGetF(vOut, pPos);
pPin->max_out_slew = Vec_StrGetF(vOut, pPos);
k = Vec_StrGetI(vOut, pPos);
assert( k == pCell->n_inputs );
// read function
if ( version == 5 )
{
// formula is not given
assert( Vec_WrdSize(pPin->vFunc) == 0 );
Vec_WrdGrow( pPin->vFunc, Abc_Truth6WordNum(pCell->n_inputs) );
for ( k = 0; k < Vec_WrdCap(pPin->vFunc); k++ )
Vec_WrdPush( pPin->vFunc, Vec_StrGetW(vOut, pPos) );
}
else
{
// (possibly empty) formula is always given
assert( version == ABC_SCL_CUR_VERSION );
assert( pPin->func_text == NULL );
pPin->func_text = Vec_StrGetS(vOut, pPos);
if ( pPin->func_text[0] == 0 )
{
// formula is not given - read truth table
ABC_FREE( pPin->func_text );
assert( Vec_WrdSize(pPin->vFunc) == 0 );
Vec_WrdGrow( pPin->vFunc, Abc_Truth6WordNum(pCell->n_inputs) );
for ( k = 0; k < Vec_WrdCap(pPin->vFunc); k++ )
Vec_WrdPush( pPin->vFunc, Vec_StrGetW(vOut, pPos) );
}
else
{
// formula is given - derive truth table
SC_Pin * pPin2;
Vec_Ptr_t * vNames;
// collect input names
vNames = Vec_PtrAlloc( pCell->n_inputs );
SC_CellForEachPinIn( pCell, pPin2, n )
Vec_PtrPush( vNames, pPin2->pName );
// derive truth table
assert( Vec_WrdSize(pPin->vFunc) == 0 );
Vec_WrdFree( pPin->vFunc );
pPin->vFunc = Mio_ParseFormulaTruth( pPin->func_text, (char **)Vec_PtrArray(vNames), pCell->n_inputs );
Vec_PtrFree( vNames );
// skip truth table
assert( Vec_WrdSize(pPin->vFunc) == Abc_Truth6WordNum(pCell->n_inputs) );
for ( k = 0; k < Vec_WrdSize(pPin->vFunc); k++ )
{
word Value = Vec_StrGetW(vOut, pPos);
assert( Value == Vec_WrdEntry(pPin->vFunc, k) );
}
}
}
// Read 'rtiming': (pin-to-pin timing tables for this particular output)
for ( k = 0; k < pCell->n_inputs; k++ )
{
SC_Timings * pRTime = Abc_SclTimingsAlloc();
Vec_PtrPush( pPin->vRTimings, pRTime );
pRTime->pName = Vec_StrGetS(vOut, pPos);
n = Vec_StrGetI(vOut, pPos); assert( n <= 1 );
if ( n == 1 )
{
SC_Timing * pTime = Abc_SclTimingAlloc();
Vec_PtrPush( pRTime->vTimings, pTime );
pTime->tsense = (SC_TSense)Vec_StrGetI(vOut, pPos);
Abc_SclReadSurface( vOut, pPos, pTime->pCellRise );
Abc_SclReadSurface( vOut, pPos, pTime->pCellFall );
Abc_SclReadSurface( vOut, pPos, pTime->pRiseTrans );
Abc_SclReadSurface( vOut, pPos, pTime->pFallTrans );
}
else
assert( Vec_PtrSize(pRTime->vTimings) == 0 );
}
}
}
}