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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: prdfRegisterCache.C $ */
/* */
/* IBM CONFIDENTIAL */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2013 */
/* */
/* p1 */
/* */
/* Object Code Only (OCO) source materials */
/* Licensed Internal Code Source Materials */
/* IBM HostBoot Licensed Internal Code */
/* */
/* The source code for this program is not published or otherwise */
/* divested of its trade secrets, irrespective of what has been */
/* deposited with the U.S. Copyright Office. */
/* */
/* Origin: 30 */
/* */
/* IBM_PROLOG_END_TAG */
#include <prdfRegisterCache.H>
#include <iipconst.h>
namespace PRDF
{
//------------------------------------------------------------------------------
RegDataCache & RegDataCache::getCachedRegisters()
{
return PRDF_GET_SINGLETON( ReadCache );
}
//------------------------------------------------------------------------------
RegDataCache::~RegDataCache()
{
flush();
}
//------------------------------------------------------------------------------
BIT_STRING_CLASS & RegDataCache::read(
ExtensibleChip* i_pChip,
const SCAN_COMM_REGISTER_CLASS * i_pRegister,
bool & o_readStat )
{
BIT_STRING_CLASS * l_pBitString = NULL;
o_readStat = false;
ScomRegisterAccess l_scomAccessKey ( *i_pRegister,i_pChip );
CacheDump::iterator itDump = iv_cachedRead.find( l_scomAccessKey );
if( iv_cachedRead.end() != itDump )
{
o_readStat = true;
l_pBitString = itDump->second ;
}
else
{
// Creating new entry
l_pBitString = new BitStringBuffer( i_pRegister->GetBitLength( ) );
// Adding register in the cache
iv_cachedRead[l_scomAccessKey] = l_pBitString;
}
return *l_pBitString;
}
//------------------------------------------------------------------------------
void RegDataCache::flush()
{
for ( CacheDump::iterator it = iv_cachedRead.begin();
it != iv_cachedRead.end(); it++ )
{
// Freeing up the bit string memory reserved on heap
delete it->second;
}
// Deleting all the entry from the cache
iv_cachedRead.clear();
}
//------------------------------------------------------------------------------
void RegDataCache::flush( ExtensibleChip* i_pChip,
const SCAN_COMM_REGISTER_CLASS * i_pRegister )
{
ScomRegisterAccess l_scomAccessKey ( *i_pRegister,i_pChip );
// Find the entries associated with the given target in the map
CacheDump::iterator it = iv_cachedRead.find( l_scomAccessKey );
// If entry exists delete the entry for given scom address
if ( it !=iv_cachedRead.end() )
{
delete it->second;
iv_cachedRead.erase( it );
}
}
//------------------------------------------------------------------------------
}// end namespace PRDF
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