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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/rule/prdrLoadChipCache.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* 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 __HOSTBOOT_MODULE
#include <utilreg.H> // for UtilReg
#endif
#include <string.h> // for strncat
#include <prdrLoadChipCache.H>
#include <utilfile.H>
#include <prdfTrace.H>
namespace Prdr
{
// Declare private member instance.
LoadChipCache::Cache_t LoadChipCache::cv_cache;
//---------------------------------------------------------------------
void LoadChipCache::flushCache()
{
// Delete all objects within the cache.
for (Cache_t::iterator i = cv_cache.begin();
i != cv_cache.end();
++i)
{
if (NULL != i->second)
delete (Chip*)i->second;
}
// Clear map.
cv_cache.clear();
};
//---------------------------------------------------------------------
//---------------------------------------------------------------------
errlHndl_t LoadChipCache::loadChip(const char * i_file,
Chip ** o_chip)
{
errlHndl_t l_errl = NULL;
*o_chip = NULL;
Cache_t::iterator i = cv_cache.find(i_file);
if (cv_cache.end() != i) // Found object in cache.
{
(*o_chip) = (Chip*)(*i).second;
l_errl = NULL;
}
else
{
(*o_chip) = new Chip();
do
{
// NOTE: to patch PRF files require rebuilding
// entire Hostboot image and put in a special
// location on FSP /nfs/test/pnor/ mount.
const char * ext = ".prf";
const size_t sz_file = strlen( i_file );
const size_t sz_ext = strlen( ext );
const size_t sz_filePath = sz_file + sz_ext;
char filePath[sz_filePath + 1];
memset( filePath, '\0', sizeof(filePath) );
strncpy( filePath, i_file, sz_file );
strncat( filePath, ext, sz_ext );
#ifdef __HOSTBOOT_MODULE
UtilFile l_ruleFile( filePath );
if ( !l_ruleFile.exists() )
{
PRDF_ERR( "LoadChipCache::loadChip() failed to find %s",
filePath );
}
else
{
l_ruleFile.Open("r");
}
#else // not __HOSTBOOT_MODULE
// Read the correct directory path for flash.
const char * prdPath = "prdf/";
const size_t sz_prdPath = strlen( prdPath );
size_t sz_rootPath = 256;
char rootPath[ sz_rootPath + sz_prdPath + sz_filePath + 1 ];
memset( rootPath, '\0', sizeof(rootPath) );
l_errl = UtilReg::read( "fstp/RO_Root", (void *)rootPath,
sz_rootPath );
if ( NULL != l_errl ) break;
strncat( rootPath, prdPath, sz_prdPath );
strncat( rootPath, filePath, sz_filePath );
// Read /maint/data/... directory path for any prf file patch.
const char * maintPath = "/maint/data/prdf/";
const size_t sz_maintPath = strlen( maintPath );
char patchPath[ sz_maintPath + sz_filePath + 1 ];
memset( patchPath, '\0', sizeof(patchPath) );
strncpy( patchPath, maintPath, sz_maintPath );
strncat( patchPath, filePath, sz_filePath );
// Open File to read chip.
UtilFile l_ruleFile( patchPath );
if ( !l_ruleFile.exists() ) // check for patch file.
{
l_ruleFile.Open(rootPath, "r");
}
else
{
l_ruleFile.Open("r");
}
#endif // end __HOSTBOOT_MODULE
// Load chip object.
l_errl = LoadChip(l_ruleFile, *(*o_chip));
} while (0);
if (NULL == l_errl)
{
// Add chip object to the cache.
cv_cache[i_file] = *o_chip;
}
else
{
PRDF_ERR("LoadChipCache::loadChip() l_errl is not null!");
delete *o_chip;
(*o_chip) = NULL;
}
}
return l_errl;
};
//---------------------------------------------------------------------
} // end namespace Prdr
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