* ========== Copyright Header Begin ==========================================
* OpenSPARC T2 Processor File: BL_Hamming_22_6_Synd.h
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
* The above named program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License version 2 as published by the Free Software Foundation.
* The above named program is distributed in the hope that it will be
* useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
* You should have received a copy of the GNU General Public
* License along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
* ========== Copyright Header End ============================================
/************************************************************************
** Copyright (C) 2006, Sun Microsystems, Inc.
** Sun considers its source code as an unpublished, proprietary
** trade secret and it is available only under strict license provisions.
** This copyright notice is placed here only to protect Sun in the event
** the source is deemed a published work. Disassembly, decompilation,
** or other means of reducing the object code to human readable form
** is prohibited by the license agreement under which this code is
** provided to the user or company in possession of this copy.
*************************************************************************/
#ifndef __BL_Hamming_22_6_Synd_h__
#define __BL_Hamming_22_6_Synd_h__
#include "BL_HammingEcc.h"
class BL_Hamming_22_6_Synd
: public BL_BaseSynd
BL_Hamming_22_6_Synd(uint32_t syndrome
) : BL_BaseSynd(syndrome
)
fprintf(stderr
,"ERROR: Bad Syndrome!");
BL_Hamming_22_6_Synd(uint32_t data
, BL_EccBits ecc
) :
BL_BaseSynd(BL_HammingEcc::
get_hamming_22_6_synd(data
,ecc
.get()).getSyndrome())
~BL_Hamming_22_6_Synd() {}
bool isDoubleBitError() const { return (syndrome_
- 1) < 0x1f; }
bool isSingleBitError() const { return (syndrome_
- 0x20) < 0x1e; }
bool isDataBitError() const
return (isSingleBitError() && ((syndrome_
- 0x20) & syndrome_
- 0x21));
uint32_t getDataBit() const
fprintf(stderr
,"ERROR: Not data bit error!");
uint32_t bit
= syndrome_
- 0x20;
bool isCheckBitError() const
return (isSingleBitError() && !((syndrome_
- 0x20) & syndrome_
- 0x21));
uint32_t getCheckBit() const
fprintf(stderr
,"ERROR: Not check bit error!");
uint32_t bit
= syndrome_
- 0x20;
return (bit
== 0) ? 5 : bit
- 1;
bool isMultipleBitError() const
static BL_EccBits
calc_check_bits(unsigned long long data
)
return BL_HammingEcc::calc_check_bits(BL_HammingEcc::BL_Hamming_22_6
, data
);