RTEMS 6.1-rc2
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smp.h
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1/* SPDX-License-Identifier: BSD-2-Clause */
2
13/*
14 * COPYRIGHT (c) 1989-2011.
15 * On-Line Applications Research Corporation (OAR).
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions
19 * are met:
20 * 1. Redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer.
22 * 2. Redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#ifndef _RTEMS_SCORE_SMP_H
40#define _RTEMS_SCORE_SMP_H
41
42#include <rtems/score/cpu.h>
43
44#ifdef __cplusplus
45extern "C" {
46#endif
47
65#if defined(RTEMS_SMP)
66 extern const uint32_t _SMP_Processor_configured_maximum;
67#else
68 #define _SMP_Processor_configured_maximum 1
69#endif
70
71#if defined( RTEMS_SMP )
72 extern uint32_t _SMP_Processor_maximum;
73
74 static inline uint32_t _SMP_Get_processor_maximum( void )
75 {
76 return _SMP_Processor_maximum;
77 }
78#else
79 #define _SMP_Get_processor_maximum() UINT32_C(1)
80#endif
81
82#if defined( RTEMS_SMP )
83 static inline uint32_t _SMP_Get_current_processor( void )
84 {
85 return _CPU_SMP_Get_current_processor();
86 }
87#else
88 #define _SMP_Get_current_processor() UINT32_C(0)
89#endif
90
93#ifdef __cplusplus
94}
95#endif
96
97#endif
98/* end of include file */
#define _SMP_Processor_configured_maximum
The configured processor maximum.
Definition: smp.h:68