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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/framework/register/prdfErrorRegister.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 1996,2014 */
/* */
/* 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 */
/**
@file iipErrorRegister.C
@brief ErrorRegister class definition
*/
// Module Description **************************************************
//
// Description: Definition of ErrorRegister class
//
// End Module Description **********************************************
//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#define iipErrorRegister_C
#include <prdfMain.H>
#include <prdfAssert.h>
#include <iipstep.h>
#include <iipbits.h>
#include <iipResolution.h>
#include <iipscr.h>
#include <prdfErrorSignature.H>
#include <iipServiceDataCollector.h>
#include <prdfResolutionMap.H>
#include <iipErrorRegister.h>
#include <iipconst.h>
#include <prdfGlobal.H>
#undef iipErrorRegister_C
namespace PRDF
{
//----------------------------------------------------------------------
// User Types
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Constants
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Macros
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Internal Function Prototypes
//----------------------------------------------------------------------
//----------------------------------------------------------------------
// Global Variables
//----------------------------------------------------------------------
//---------------------------------------------------------------------
// Member Function Specifications
//---------------------------------------------------------------------
int32_t ErrorRegister::SetErrorSignature( STEP_CODE_DATA_STRUCT & error,
BitKey & bl )
{
int32_t rc = SUCCESS;
ErrorSignature * esig = error.service_data->GetErrorSignature();
uint32_t blen = bl.size();
switch(blen)
{
case 0:
(error.service_data->GetErrorSignature())->setErrCode(PRD_SCAN_COMM_REGISTER_ZERO);
if(xNoErrorOnZeroScr != true) rc = PRD_SCAN_COMM_REGISTER_ZERO;
break;
case 1:
esig->setErrCode(bl.getListValue(0));
break;
default:
for(uint32_t index = 0; index < blen; ++index) //dg01a
{ //dg01a
esig->setErrCode(bl.getListValue(index)); //dg01a
} //dg01a
esig->setErrCode(PRD_MULTIPLE_ERRORS);
};
return rc;
}
/*---------------------------------------------------------------------*/
ErrorRegister::ErrorRegister( SCAN_COMM_REGISTER_CLASS & r, ResolutionMap & rm,
uint16_t scrId ) :
ErrorRegisterType(), scr(r), scr_rc(SUCCESS), rMap(rm),
xNoErrorOnZeroScr(false), xScrId(scrId)
{
PRDF_ASSERT( &r != NULL );
PRDF_ASSERT( &rm != NULL );
}
/*---------------------------------------------------------------------*/
int32_t ErrorRegister::Analyze(STEP_CODE_DATA_STRUCT & error)
{
int32_t rc = SUCCESS;
uint32_t l_savedErrSig = 0; // @pw01
if(xScrId == 0x0fff)
{
(error.service_data->GetErrorSignature())->setRegId(scr.GetAddress());
}
else
{
(error.service_data->GetErrorSignature())->setRegId(xScrId);
}
// Get Data from hardware
const BIT_STRING_CLASS &bs = Read(error.service_data->GetCauseAttentionType()); // @pw02
BitKey bl; // null bit list has length 0
if (scr_rc == SUCCESS)
{
bl = Filter(bs);
rc = SetErrorSignature(error,bl); //dg02c - made function of this block of code
// @pw01
// Save signature to determine if it changes during resolution execution.
l_savedErrSig = (error.service_data->GetErrorSignature())->getSigId();
}
uint32_t res_rc = Lookup(error, bl); // lookup and execute the resolutions
if(SUCCESS == rc) rc = res_rc; // previous rc has prioity over res_rc
// @pw01
// If we had a DD02 and the signature changes, ignore DD02.
if ((rc == PRD_SCAN_COMM_REGISTER_ZERO) &&
((error.service_data->GetErrorSignature())->getSigId()
!= l_savedErrSig)
)
{
// Found a better answer during the DD02 analysis.
rc = res_rc;
}
if(scr_rc == SUCCESS)
{
FilterUndo(bl); // dg03a
// NOTE: This is an unusual work-a-round for NOT clearing
// particular FIR bits in a register because they are cleared
// in another part of the plugin code. jl01
if(rc == PRD_NO_CLEAR_FIR_BITS)
{
rc = SUCCESS; //Return success to indicate that we understand the DDFF
}
else
{
int32_t reset_rc;
reset_rc = Reset(bl,error);
if(rc == SUCCESS)rc = reset_rc;
}
}
else // scr read failed
{
(error.service_data->GetErrorSignature())->setErrCode(PRD_SCANCOM_FAILURE);
rc = scr_rc;
}
return(rc);
}
/*---------------------------------------------------------------------*/
const BIT_STRING_CLASS & ErrorRegister::Read(ATTENTION_TYPE i_attn)
{
scr_rc = scr.Read();
return (*scr.GetBitString(i_attn));
}
/*---------------------------------------------------------------------*/
BitKey ErrorRegister::Filter
(const BIT_STRING_CLASS & bs)
{
BitKey bit_list;
bit_list = bs;
return(bit_list);
}
/*---------------------------------------------------------------------*/
int32_t ErrorRegister::Lookup(STEP_CODE_DATA_STRUCT & sdc, BitKey & bl) // dg02c dg03c
{
int32_t rc = SUCCESS;
// if (bl.GetListLength() == 0) return(rMap.GetDefault()); /dg00d
ResolutionList rList;
rMap.LookUp(rList,bl,sdc); // dg04c
// SetErrorSignature(sdc,bl); // LookUp may have changed bl dg02a dg04d
for(ResolutionList::iterator i = rList.begin(); i != rList.end(); ++i)
{
rc |= (*i)->Resolve(sdc);
}
return rc;
}
/*---------------------------------------------------------------------*/
int32_t ErrorRegister::Reset(const BitKey & bit_list, STEP_CODE_DATA_STRUCT & error)
{
return(SUCCESS);
}
} // end namespace PRDF
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