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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/pore/poreve/model/porestate.C $ */
/* */
/* 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 */
// $Id: porestate.C,v 1.2 2011/10/13 10:04:32 haver Exp $
/// \file porestate.C
/// \brief A structure defining the state of a PORE engine for
/// checkpoint/restart purposes.
#include "porestate.H"
#include <string.h>
using namespace vsbe;
PoreState::PoreState()
{
// Ensure that reserved/free space is always 0 such that we
// can do memcmp.
memset(state, 0, sizeof(state));
}
PoreState::~PoreState()
{
}
ModelError
PoreState::get(const PoreRegisterOffset i_offset, uint64_t& o_reg) const
{
ModelError me;
int i;
if ((i_offset >= SIZEOF_PORE_STATE) || ((i_offset % 8) != 0)) {
me = ME_PORE_STATE_ERROR;
} else {
me = ME_SUCCESS;
o_reg = 0;
for (i = 0; i < 8; i++) {
o_reg <<= 8;
o_reg |= state[i_offset + i];
}
}
return me;
}
ModelError
PoreState::put(const PoreRegisterOffset i_offset, const uint64_t i_reg)
{
ModelError me;
int i;
uint64_t reg;
if ((i_offset >= SIZEOF_PORE_STATE) || ((i_offset % 8) != 0)) {
me = ME_PORE_STATE_ERROR;
} else {
me = ME_SUCCESS;
reg = i_reg;
for (i = 7; i >= 0; i--) {
state[i_offset + i] = (reg & 0xff);
reg >>= 8;
}
}
return me;
}
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