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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/framework/rule/prdrLoadChipCache.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2006,2014 */
/* */
/* 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 __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 /maint/ mount.
// FIXME: if we need to patch prf files directly
// on Hostboot, need to discuss with Patrick
// about a possibility of creating a new PNOR
// partition outside of the cryptographically
// signed area just for PRD.
#ifdef __HOSTBOOT_MODULE
char* l_filePathName;
size_t l_filePathSize = strlen(i_file) + 4 + 1; // 4 is for ".prf"
l_filePathName = new char[l_filePathSize];
strcpy(l_filePathName, i_file);
strncat(l_filePathName, ".prf", l_filePathSize-1);
UtilFile l_ruleFile(l_filePathName);
if (!l_ruleFile.exists())
{
// FIXME: do we need to log and commit an error here?
PRDF_ERR("LoadChipCache::loadChip() failed to find %s", l_filePathName);
}
else
{
l_ruleFile.Open("r");
}
delete[] l_filePathName;
#else
// Read the correct directory path for flash.
size_t l_rootPathSize = 256;
char l_rootPath[256] = { '\0' };
l_errl = UtilReg::read("fstp/RO_Root",
(void *) l_rootPath,
l_rootPathSize);
strncat(l_rootPath, "prdf/", 255);
strncat(l_rootPath, i_file, 255);
strncat(l_rootPath, ".prf", 255);
if (NULL != l_errl) break;
// Read /maint/data/... directory path
// for any prf file patch
char l_patchPath[256] = { '\0' };
strcpy(l_patchPath, "/maint/data/prdf/");
strncat(l_patchPath, i_file, 255);
strncat(l_patchPath, ".prf", 255);
if (NULL != l_errl) break;
// Open File to read chip.
UtilFile l_ruleFile(l_patchPath);
if (!l_ruleFile.exists()) // check for patch file.
{
l_ruleFile.Open(l_rootPath, "r");
}
else
{
l_ruleFile.Open("r");
}
#endif
// 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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