modesimpl.h

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/*  COPYRIGHT (c) 1989-2008.
 *  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.org/license/LICENSE.
 */

#ifndef _RTEMS_RTEMS_MODESIMPL_H
#define _RTEMS_RTEMS_MODESIMPL_H

#include <rtems/rtems/modes.h>
#include <rtems/score/isrlevel.h>

#ifdef __cplusplus
extern "C" {
#endif

RTEMS_INLINE_ROUTINE bool _Modes_Mask_changed (
  Modes_Control mode_set,
  Modes_Control masks
)
{
   return ( mode_set & masks ) ? true : false;
}

RTEMS_INLINE_ROUTINE bool _Modes_Is_asr_disabled (
  Modes_Control mode_set
)
{
   return (mode_set & RTEMS_ASR_MASK) == RTEMS_NO_ASR;
}

RTEMS_INLINE_ROUTINE bool _Modes_Is_preempt (
  Modes_Control mode_set
)
{
   return (mode_set & RTEMS_PREEMPT_MASK) == RTEMS_PREEMPT;
}

RTEMS_INLINE_ROUTINE bool _Modes_Is_timeslice (
  Modes_Control mode_set
)
{
  return (mode_set & RTEMS_TIMESLICE_MASK) == RTEMS_TIMESLICE;
}

RTEMS_INLINE_ROUTINE ISR_Level _Modes_Get_interrupt_level (
  Modes_Control mode_set
)
{
  return ( mode_set & RTEMS_INTERRUPT_MASK );
}

RTEMS_INLINE_ROUTINE void _Modes_Set_interrupt_level (
  Modes_Control mode_set
)
{
  _ISR_Set_level( _Modes_Get_interrupt_level( mode_set ) );
}

RTEMS_INLINE_ROUTINE void _Modes_Change (
  Modes_Control  old_mode_set,
  Modes_Control  new_mode_set,
  Modes_Control  mask,
  Modes_Control *out_mode_set,
  Modes_Control *changed
)
{
  Modes_Control _out_mode;

  _out_mode      =  old_mode_set;
  _out_mode     &= ~mask;
  _out_mode     |= new_mode_set & mask;
  *changed       = _out_mode ^ old_mode_set;
  *out_mode_set  = _out_mode;
}

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */