blob: bd9cfaa5a6b120ff68fc2b8735241b7996e0d648 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/**
* @file
*
* @ingroup RTEMSScoreSMP
*
* @brief This header file provides interfaces of the
* @ref RTEMSScoreSMP which are used by the implementation and the
* @ref RTEMSImplApplConfig.
*/
/*
* COPYRIGHT (c) 1989-2011.
* 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_SCORE_SMP_H
#define _RTEMS_SCORE_SMP_H
#include <rtems/score/cpu.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup RTEMSScoreSMP SMP Support
*
* @ingroup RTEMSScore
*
* @brief This group contains the implementation to support SMP systems.
*
* @{
*/
/**
* @brief The configured processor maximum.
*
* In SMP configurations, this constant is defined by the application
* configuration via <rtems/confdefs.h>, otherwise it is a compile-time
* constant with the value one.
*/
#if defined(RTEMS_SMP)
extern const uint32_t _SMP_Processor_configured_maximum;
#else
#define _SMP_Processor_configured_maximum 1
#endif
#if defined( RTEMS_SMP )
extern uint32_t _SMP_Processor_maximum;
static inline uint32_t _SMP_Get_processor_maximum( void )
{
return _SMP_Processor_maximum;
}
#else
#define _SMP_Get_processor_maximum() UINT32_C(1)
#endif
#if defined( RTEMS_SMP )
static inline uint32_t _SMP_Get_current_processor( void )
{
return _CPU_SMP_Get_current_processor();
}
#else
#define _SMP_Get_current_processor() UINT32_C(0)
#endif
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
|
