context.h

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

 
/*
 *  COPYRIGHT (c) 1989-2011.
 *  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
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 */
 
#ifndef _RTEMS_SCORE_CONTEXT_H
#define _RTEMS_SCORE_CONTEXT_H

 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <rtems/score/cpu.h>

#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
  #define CONTEXT_FP_SIZE \
    RTEMS_ALIGN_UP( CPU_CONTEXT_FP_SIZE, CPU_STACK_ALIGNMENT )
#else
  #define CONTEXT_FP_SIZE 0
#endif

#define _Context_Initialize( _the_context, _stack, _size, _isr, _entry, \
  _is_fp, _tls_area ) \
    _CPU_Context_Initialize( _the_context, _stack, _size, _isr, _entry, \
      _is_fp, _tls_area )

 
#if defined(_CPU_Context_Initialization_at_thread_begin)
  #define _Context_Initialization_at_thread_begin() \
     _CPU_Context_Initialization_at_thread_begin()
#else
  #define _Context_Initialization_at_thread_begin()
#endif

#define _Context_Switch( _executing, _heir ) \
   _CPU_Context_switch( _executing, _heir )

#define _Context_Restart_self( _the_context ) \
   _CPU_Context_Restart_self( _the_context )

#define _Context_Initialize_fp( _fp_area ) \
   _CPU_Context_Initialize_fp( _fp_area )

#define _Context_Restore_fp( _fp ) \
   _CPU_Context_restore_fp( _fp )

#define _Context_Save_fp( _fp ) \
   _CPU_Context_save_fp( _fp )
 
#if defined(_CPU_Context_Destroy)
  #define _Context_Destroy( _the_thread, _the_context ) \
    _CPU_Context_Destroy( _the_thread, _the_context )
#else
  #define _Context_Destroy( _the_thread, _the_context )
#endif
 
#ifdef __cplusplus
}
#endif

 
#endif
/* end of include file */