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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-07-26 14:10:25 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2013-07-30 09:53:23 +0200 |
| commit | fe52e7c07cc330e98484fd4acc38586722b93132 (patch) | |
| tree | 3fb3e92e5174a2c2e636eb53efd9cacf36ab58c4 /cpukit/score/include/rtems/score/percpu.h | |
| parent | smp: Use Thread_Control.is_executing (diff) | |
| download | rtems-fe52e7c07cc330e98484fd4acc38586722b93132.tar.bz2 | |
smp: Add and use _Per_CPU_Get()
Add and use _Per_CPU_Get_by_index() and _Per_CPU_Get_index(). Add
_Per_CPU_Send_interrupt(). This avoids direct access of
_Per_CPU_Information.
Diffstat (limited to 'cpukit/score/include/rtems/score/percpu.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/percpu.h | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/cpukit/score/include/rtems/score/percpu.h b/cpukit/score/include/rtems/score/percpu.h index d44c7a19ff..18bcfb4fc7 100644 --- a/cpukit/score/include/rtems/score/percpu.h +++ b/cpukit/score/include/rtems/score/percpu.h @@ -233,7 +233,31 @@ typedef struct { */ extern Per_CPU_Control _Per_CPU_Information[] CPU_STRUCTURE_ALIGNMENT; +#if defined( RTEMS_SMP ) +static inline Per_CPU_Control *_Per_CPU_Get( void ) +{ + return &_Per_CPU_Information[ _SMP_Get_current_processor() ]; +} +#else +#define _Per_CPU_Get() ( &_Per_CPU_Information[ 0 ] ) +#endif + +static inline Per_CPU_Control *_Per_CPU_Get_by_index( uint32_t index ) +{ + return &_Per_CPU_Information[ index ]; +} + +static inline uint32_t _Per_CPU_Get_index( const Per_CPU_Control *per_cpu ) +{ + return ( uint32_t ) ( per_cpu - &_Per_CPU_Information[ 0 ] ); +} + #if defined(RTEMS_SMP) +static inline void _Per_CPU_Send_interrupt( const Per_CPU_Control *per_cpu ) +{ + _CPU_SMP_Send_interrupt( _Per_CPU_Get_index( per_cpu ) ); +} + /** * @brief Set of Pointers to Per CPU Core Information * @@ -280,19 +304,19 @@ void _Per_CPU_Wait_for_state( * Thus when built for non-SMP, there should be no performance penalty. */ #define _Thread_Heir \ - _Per_CPU_Information[_SMP_Get_current_processor()].heir + _Per_CPU_Get()->heir #define _Thread_Executing \ - _Per_CPU_Information[_SMP_Get_current_processor()].executing + _Per_CPU_Get()->executing #define _ISR_Nest_level \ - _Per_CPU_Information[_SMP_Get_current_processor()].isr_nest_level + _Per_CPU_Get()->isr_nest_level #define _CPU_Interrupt_stack_low \ - _Per_CPU_Information[_SMP_Get_current_processor()].interrupt_stack_low + _Per_CPU_Get()->interrupt_stack_low #define _CPU_Interrupt_stack_high \ - _Per_CPU_Information[_SMP_Get_current_processor()].interrupt_stack_high + _Per_CPU_Get()->interrupt_stack_high #define _Thread_Dispatch_necessary \ - _Per_CPU_Information[_SMP_Get_current_processor()].dispatch_necessary + _Per_CPU_Get()->dispatch_necessary #define _Thread_Time_of_last_context_switch \ - _Per_CPU_Information[_SMP_Get_current_processor()].time_of_last_context_switch + _Per_CPU_Get()->time_of_last_context_switch #endif /* ASM */ |