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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/errl/errlsrc.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2011,2014 */
/* */
/* 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 errlsrc.C
*
* @brief Manage the data items that make up the 'PS' section in an
* error log PEL. PS stands for Primary System Reference Code, or SRC.
* ErrlSrc is a derivation of ErrlSctn.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <hbotcompid.H>
#include <errl/errlentry.H>
namespace ERRORLOG
{
extern trace_desc_t* g_trac_errl;
//**************************************************************************
// constructor
ErrlSrc::ErrlSrc( srcType_t i_srcType,
uint8_t i_modId,
uint16_t i_reasonCode,
uint64_t i_user1,
uint64_t i_user2 ) :
ErrlSctn( ERRL_SID_PRIMARY_SRC,
ErrlSrc::SLEN,
ErrlSrc::VER,
ErrlSrc::SST,
0 ), // Component ID zero for now.
iv_srcType( i_srcType ),
iv_modId( i_modId ),
iv_reasonCode( i_reasonCode ),
iv_ssid( EPUB_FIRMWARE_SUBSYS ),
iv_user1( i_user1 ),
iv_user2( i_user2 ),
iv_deconfig(false),
iv_gard(false)
{
}
//****************************************************************************
//
ErrlSrc::~ErrlSrc()
{
}
//**************************************************************************
// Flatten the PS primary SRC data to a minimum standard 72-byte structure.
// Page numbers refer to Platform Event Log and SRC PLDD
// https://mcdoc.boeblingen.de.ibm.com/out/out.ViewDocument.php?documentid=1675
// Version 0.8 (markup). See also src/include/usr/errl/hberrltypes.H
// for the typedef pelSRCSection_t.
uint64_t ErrlSrc::flatten( void * o_pBuffer, const uint64_t i_cbBuffer )
{
uint64_t l_rc = 0;
do
{
if( i_cbBuffer < flatSize() )
{
TRACFCOMP( g_trac_errl, "ErrlSrc::flatten: buffer too small");
break;
}
pelSRCSection_t * psrc = static_cast<pelSRCSection_t *>(o_pBuffer);
// memset zero up to the char array.
memset( psrc, 0, flatSize() - sizeof( psrc->srcString ));
// memset spaces into the char array
memset( psrc->srcString, ' ', sizeof( psrc->srcString ));
l_rc = iv_header.flatten( o_pBuffer, i_cbBuffer );
if( 0 == l_rc )
{
// Rare.
TRACFCOMP( g_trac_errl, "ErrlSrc::flatten: header flatten error");
break;
}
// Place data into the flat structure.
psrc->ver = ErrlSrc::SRCVER; // 2;
// psrc->flags = 0; //
psrc->wordcount = ErrlSrc::WORDCOUNT; // 9;
// Use reserved1 word to stash the reason code for easy extract in
// unflatten rather than parsing srcString
psrc->reserved1 = iv_reasonCode;
CPPASSERT( ErrlSrc::SLEN == sizeof(pelSRCSection_t)-iv_header.flatSize());
psrc->srcLength = ErrlSrc::SLEN;
// SRC format
psrc->word2 = 0x000000E0; // SRCI_HBT_FORMAT
// Stash the Hostboot module id into hex word 3
psrc->moduleId = iv_modId;
// set deconfigure and/or gard bits
if (iv_deconfig)
{
psrc->word5 |= ErrlSrc::DECONFIG_BIT; // deconfigure
}
if (iv_gard)
{
psrc->word5 |= ErrlSrc::GARD_BIT; // GARD
}
// set ACK bit - means unacknowledged
psrc->word5 |= ErrlSrc::ACK_BIT; // ACK
// Stash the Hostboot long long words into the hexwords of the SRC.
psrc->word6 = iv_user1; // spans 6-7
psrc->word8 = iv_user2; // spans 8-9
// Build the char string for the SRC.
uint32_t l_u32;
l_u32 = (iv_srcType<< 24)|(iv_ssid<<16)| iv_reasonCode;
char l_tmpString[ 20 ];
uint64_t cb = sprintf( l_tmpString, "%08X", l_u32 );
memcpy( psrc->srcString, l_tmpString, cb );
l_rc = flatSize();
}
while( 0 );
return l_rc;
}
uint64_t ErrlSrc::unflatten( const void * i_buf)
{
const pelSRCSection_t * p =
static_cast<const pelSRCSection_t *>(i_buf);
iv_header.unflatten(&(p->sectionheader));
iv_srcType = (srcType_t)((16 * aschex2bin(p->srcString[0])) +
aschex2bin(p->srcString[1]));
iv_modId = p->moduleId;
iv_reasonCode = p->reserved1;
iv_ssid = (epubSubSystem_t)((16 * aschex2bin(p->srcString[2])) +
aschex2bin(p->srcString[3]));
iv_user1 = p->word6;
iv_user2 = p->word8;
if(p->word5 & ErrlSrc::DECONFIG_BIT) // deconfigure
{
iv_deconfig = true;
}
if(p->word5 & ErrlSrc::GARD_BIT) // GARD
{
iv_gard = true;
}
return flatSize();
}
// Quick hexdigit to binary converter.
// Hopefull someday to replaced by strtoul
uint64_t ErrlSrc::aschex2bin(char c) const
{
if(c >= 'a' && c <= 'f')
{
c = c + 10 - 'a';
}
else if (c >= 'A' && c <= 'F')
{
c = c + 10 - 'A';
}
else if (c >= '0' && c <= '9')
{
c -= '0';
}
// else it's not a hex digit, ignore
return c;
}
} // namespace
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