1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup RTEMSScoreSMP |
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5 | * |
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6 | * @brief SuperCore SMP Support API |
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7 | */ |
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8 | |
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9 | /* |
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10 | * COPYRIGHT (c) 1989-2011. |
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11 | * On-Line Applications Research Corporation (OAR). |
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12 | * |
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13 | * The license and distribution terms for this file may be |
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14 | * found in the file LICENSE in this distribution or at |
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15 | * http://www.rtems.org/license/LICENSE. |
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16 | */ |
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17 | |
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18 | #ifndef _RTEMS_SCORE_SMP_H |
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19 | #define _RTEMS_SCORE_SMP_H |
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20 | |
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21 | #include <rtems/score/cpu.h> |
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22 | |
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23 | #ifdef __cplusplus |
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24 | extern "C" { |
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25 | #endif |
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26 | |
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27 | /** |
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28 | * @defgroup RTEMSScoreSMP SMP Support |
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29 | * |
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30 | * @ingroup RTEMSScore |
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31 | * |
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32 | * @brief SMP Support |
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33 | * |
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34 | * This defines the interface of the SuperCore SMP support. |
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35 | * |
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36 | * @{ |
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37 | */ |
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38 | |
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39 | /** |
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40 | * @brief The configured processor maximum. |
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41 | * |
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42 | * In SMP configurations, this constant is defined by the application |
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43 | * configuration via <rtems/confdefs.h>, otherwise it is a compile-time |
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44 | * constant with the value one. |
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45 | */ |
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46 | #if defined(RTEMS_SMP) |
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47 | extern const uint32_t _SMP_Processor_configured_maximum; |
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48 | #else |
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49 | #define _SMP_Processor_configured_maximum 1 |
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50 | #endif |
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51 | |
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52 | #if defined( RTEMS_SMP ) |
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53 | extern uint32_t _SMP_Processor_maximum; |
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54 | |
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55 | static inline uint32_t _SMP_Get_processor_maximum( void ) |
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56 | { |
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57 | return _SMP_Processor_maximum; |
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58 | } |
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59 | #else |
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60 | #define _SMP_Get_processor_maximum() UINT32_C(1) |
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61 | #endif |
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62 | |
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63 | #if defined( RTEMS_SMP ) |
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64 | static inline uint32_t _SMP_Get_current_processor( void ) |
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65 | { |
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66 | return _CPU_SMP_Get_current_processor(); |
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67 | } |
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68 | #else |
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69 | #define _SMP_Get_current_processor() UINT32_C(0) |
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70 | #endif |
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71 | |
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72 | /** @} */ |
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73 | |
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74 | #ifdef __cplusplus |
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75 | } |
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76 | #endif |
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77 | |
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78 | #endif |
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79 | /* end of include file */ |
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