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/**
* @file rtems/rtems/smp.h
*
* This include file provides the application interface
* to SMP information and services.
*
* Most of the SMP interface is hidden from the application
* and exists between the BSP and RTEMS.
*/
/* COPYRIGHT (c) 1989-2011.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef _RTEMS_RTEMS_SMP_H
#define _RTEMS_RTEMS_SMP_H
#ifdef __cplusplus
extern "C" {
#endif
#include <rtems/score/smp.h>
/**
* @defgroup ClassicSMP Classic API SMP Services
*
* @ingroup ClassicRTEMS
*
* This encapsulates functionality which is useful for SMP applications.
*/
/**@{*/
extern uint32_t rtems_configuration_smp_maximum_processors;
/**
* @brief Obtain Number of Cores in System
*
* This method returns the number of CPU cores that are currently in
* the system. This will always be less than or equal to the number
* of maximum number of cores which were configured.
*
* @return This method returns the number of cores in this system.
*/
#define rtems_smp_get_number_of_processors() \
(_SMP_Processor_count)
/**
* @brief Obtain Maximum Cores Configured
*
* This method returns the number of CPU cores that were configured
* in the system. The actual number of cores will always be less than
* or equal to the number of maximum number of cores which were configured.
*
* @return This method returns the number of cores configured.
*/
#define rtems_configuration_get_smp_maximum_processors() \
(rtems_configuration_smp_maximum_processors)
/**
* @brief Obtain Current Core Number
*
* This method returns the id of the current CPU core.
*
* @return This method returns the id of the current CPU core.
*/
#define rtems_smp_get_current_processor() \
bsp_smp_processor_id()
/**@}*/
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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