modesimpl.h

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/* SPDX-License-Identifier: BSD-2-Clause */

 
/*  COPYRIGHT (c) 1989-2008.
 *  On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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#ifndef _RTEMS_RTEMS_MODESIMPL_H
#define _RTEMS_RTEMS_MODESIMPL_H
 
#include <rtems/rtems/modes.h>
#include <rtems/score/schedulerimpl.h>
#include <rtems/score/smpimpl.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/threadcpubudget.h>
#include <rtems/config.h>
 
#ifdef __cplusplus
extern "C" {
#endif


static inline bool _Modes_Is_asr_disabled (
  rtems_mode mode_set
)
{
   return (mode_set & RTEMS_ASR_MASK) == RTEMS_NO_ASR;
}

static inline bool _Modes_Is_preempt (
  rtems_mode mode_set
)
{
   return (mode_set & RTEMS_PREEMPT_MASK) == RTEMS_PREEMPT;
}

static inline bool _Modes_Is_timeslice (
  rtems_mode mode_set
)
{
  return (mode_set & RTEMS_TIMESLICE_MASK) == RTEMS_TIMESLICE;
}

static inline ISR_Level _Modes_Get_interrupt_level (
  rtems_mode mode_set
)
{
  return ( mode_set & RTEMS_INTERRUPT_MASK );
}
 
#if defined(RTEMS_SMP) || CPU_ENABLE_ROBUST_THREAD_DISPATCH == TRUE
static inline bool _Modes_Is_interrupt_level_supported(
  rtems_mode mode_set
)
{
  return _Modes_Get_interrupt_level( mode_set ) == 0
#if CPU_ENABLE_ROBUST_THREAD_DISPATCH == FALSE
    || !_SMP_Need_inter_processor_interrupts()
#endif
    ;
}
#endif
 
#if defined(RTEMS_SMP)
static inline bool _Modes_Is_preempt_mode_supported(
  rtems_mode            mode_set,
  const Thread_Control *the_thread
)
{
  return _Modes_Is_preempt( mode_set ) ||
    _Scheduler_Is_non_preempt_mode_supported(
      _Thread_Scheduler_get_home( the_thread )
    );
}
#endif

static inline void _Modes_Apply_timeslice_to_thread(
  rtems_mode      mode_set,
  Thread_Control *the_thread
)
{
  if ( _Modes_Is_timeslice( mode_set ) ) {
    the_thread->CPU_budget.operations = &_Thread_CPU_budget_reset_timeslice;
    the_thread->CPU_budget.available =
      rtems_configuration_get_ticks_per_timeslice();
  } else {
    the_thread->CPU_budget.operations = NULL;
  }
}
 
#ifdef __cplusplus
}
#endif

 
#endif
/* end of include file */