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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/pore/poreve/model/bebits.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __VSBE_BEBITS_H
#define __VSBE_BEBITS_H
// $Id: bebits.H,v 1.3 2011/06/30 03:34:58 bcbrock Exp $
/// \file bebits.H
/// \brief Bit manipulation for Big-Endian data
/// A bit mask for a range of bits in a big-endian uint64_t
#define BE64_MASK(begin, end) \
((0xffffffffffffffffull >> (64 - ((end) - (begin) + 1))) << (63 - (end)))
/// A single bit mask for a big-endian uint64_t
#define BE64_BIT(n) (BE64_MASK((n), (n)))
/// Extract an unsigned field from a uint64_t
#define BE64_GET_FIELD(x, begin, end) \
(((x) & BE64_MASK((begin), (end))) >> (63 - (end)))
/// Update an unsigned field in a uint64_t from a right-justified uint64_t value
#define BE64_SET_FIELD(x, begin, end, val) \
((((val) << (63 - (end))) & BE64_MASK((begin), (end))) | \
((x) & ~BE64_MASK((begin), (end))))
#endif // __VSBE_BEBITS_H
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