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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/prdfGlobal.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2013,2014 */
/* [+] 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 PRDF_GLOBAL_HB_H
#define PRDF_GLOBAL_HB_H
/**
* @file prdfGlobal.H
* @brief PRD global code specific to hostboot.
*
* This file contains the Processor Runtime Diagnostics global variable
* and type declarations specific to hostboot.
*/
/*--------------------------------------------------------------------*/
/* Includes */
/*--------------------------------------------------------------------*/
#include <prdfGlobal_common.H>
#include <util/singleton.H>
#include <sys/sync.h> // for mutex support
/*--------------------------------------------------------------------*/
/* Singleton macros common to both FSP and Hostboot */
/*--------------------------------------------------------------------*/
/**
* @brief common singleton declaration to specific platform
*
* @param[in] __T__
* Type of singleton, fully namespaced
*
* @param[in] __NAME__
* Symbol name for singleton
*/
/**
* @brief common singleton "getter" to the specific platform
*
* @param[in] __TYPE__
* Typedef for singleton, as created above
*
* @return Singleton reference for the given singleton
*/
#define PRDF_DECLARE_SINGLETON(__T__,__NAME__) \
typedef Singleton<__T__> __NAME__
#define PRDF_GET_SINGLETON(__TYPE__) \
__TYPE__::instance()
// end Singleton macros
/**
* @brief Interface to deconfig target at Runtime (Not valid in Hostboot)
*/
#define PRDF_RUNTIME_DECONFIG( i_pTarget, i_errl, i_dmp ) \
SUCCESS
/**
* @brief defined dump content to get through hostboot compilation.
* hwTableContent is a FSP specific enum originally defined in dump.
*/
typedef uint32_t hwTableContent;
/**
* @brief defined dump content type to get through hostboot compilation.
* CONTENT_HW is a FSP specific enum val originally defined in dump.
*/
const uint32_t CONTENT_HW = 0x40000000;
/**
* @brief This class provides general purpose mutual
* exclusion (mutex) class for locking static or
* member data to ensure thread safety.
*/
class prdfMutex
{
public:
/**
* Constructor
*/
prdfMutex();
/**
* Destructor
*/
~prdfMutex();
/**
* Lock this mutex
*/
void lock();
/**
* Unlock this mutex
*/
void unlock();
private:
mutex_t ivMutex;
// No copies or assignments allowed
prdfMutex(prdfMutex& r);
prdfMutex& operator=(prdfMutex& r);
};
inline prdfMutex::prdfMutex()
{
mutex_init(&ivMutex);
}
inline prdfMutex::~prdfMutex()
{
mutex_destroy(&ivMutex);
}
inline void prdfMutex::lock()
{
mutex_lock( &ivMutex );
}
inline void prdfMutex::unlock()
{
mutex_unlock( &ivMutex );
}
/**
* @brief This class provides interfaces to
* acquire a scope mutex
*/
class prdfScopeMutex
{
public:
/**
* Constructor (locks the specified mutex)
*
* @param i_mutex the mutex to be locked
* for the scope of this function
*/
prdfScopeMutex(prdfMutex& i_mutex);
/**
* Destructor
*/
~prdfScopeMutex();
private:
prdfMutex* ivMutex;
// No copies or assignments allowed
prdfScopeMutex(prdfScopeMutex& r);
prdfScopeMutex& operator=(prdfScopeMutex& r);
};
inline prdfScopeMutex::prdfScopeMutex(prdfMutex& i_mutex)
: ivMutex(&i_mutex)
{
ivMutex->lock();
}
inline prdfScopeMutex::~prdfScopeMutex()
{
ivMutex->unlock();
}
extern prdfMutex g_prdMutex;
/**
* @brief macro to acquire global scope mutex
*/
#define PRDF_SYSTEM_SCOPELOCK \
prdfScopeMutex dataLock(g_prdMutex);
#endif // PRDF_GLOBAL_HB_H
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