RTEMS: cpukit/include/rtems/score/context.h Source File

| RTEMS 5.4-rc2

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context.h
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1
11/*
12 * COPYRIGHT (c) 1989-2011.
13 * On-Line Applications Research Corporation (OAR).
14 *
15 * The license and distribution terms for this file may be
16 * found in the file LICENSE in this distribution or at
17 * http://www.rtems.org/license/LICENSE.
18 */
19
20#ifndef _RTEMS_SCORE_CONTEXT_H
21#define _RTEMS_SCORE_CONTEXT_H
22
39#ifdef __cplusplus
40extern "C" {
41#endif
42
43#include <rtems/score/cpu.h>
44
51#if ( CPU_HARDWARE_FP == TRUE ) || ( CPU_SOFTWARE_FP == TRUE )
52 #define CONTEXT_FP_SIZE \
53 ( ( CPU_CONTEXT_FP_SIZE + CPU_HEAP_ALIGNMENT - 1 ) \
54 & ~( CPU_HEAP_ALIGNMENT - 1 ) )
55#else
56 #define CONTEXT_FP_SIZE 0
57#endif
58
76#define _Context_Initialize( _the_context, _stack, _size, _isr, _entry, \
77 _is_fp, _tls_area ) \
78 _CPU_Context_Initialize( _the_context, _stack, _size, _isr, _entry, \
79 _is_fp, _tls_area )
80
90#if defined(_CPU_Context_Initialization_at_thread_begin)
91 #define _Context_Initialization_at_thread_begin() \
92 _CPU_Context_Initialization_at_thread_begin()
93#else
94 #define _Context_Initialization_at_thread_begin()
95#endif
96
106#define _Context_Switch( _executing, _heir ) \
107 _CPU_Context_switch( _executing, _heir )
108
117#define _Context_Restart_self( _the_context ) \
118 _CPU_Context_Restart_self( _the_context )
119
129#define _Context_Initialize_fp( _fp_area ) \
130 _CPU_Context_Initialize_fp( _fp_area )
131
142#define _Context_Restore_fp( _fp ) \
143 _CPU_Context_restore_fp( _fp )
144
153#define _Context_Save_fp( _fp ) \
154 _CPU_Context_save_fp( _fp )
155
156#if defined(_CPU_Context_Destroy)
157 #define _Context_Destroy( _the_thread, _the_context ) \
158 _CPU_Context_Destroy( _the_thread, _the_context )
159#else
160 #define _Context_Destroy( _the_thread, _the_context )
161#endif
162
163#ifdef __cplusplus
164}
165#endif
166
169#endif
170/* end of include file */