diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-02-18 13:36:35 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-02-19 09:59:42 +0100 |
| commit | 8a65a960071c6b67731c7330603acc0f5cc150a5 (patch) | |
| tree | a2609c619aa58a1d2268466e932f11150bd918f7 /cpukit/score/include/rtems/score/smpimpl.h | |
| parent | score: Wait for per-CPU state changes later (diff) | |
| download | rtems-8a65a960071c6b67731c7330603acc0f5cc150a5.tar.bz2 | |
score: _SMP_Inter_processor_interrupt_handler()
Inline _SMP_Inter_processor_interrupt_handler() to avoid function call
overhead. Remove debug output.
Diffstat (limited to 'cpukit/score/include/rtems/score/smpimpl.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/smpimpl.h | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/cpukit/score/include/rtems/score/smpimpl.h b/cpukit/score/include/rtems/score/smpimpl.h index cbb3466bba..d68af43916 100644 --- a/cpukit/score/include/rtems/score/smpimpl.h +++ b/cpukit/score/include/rtems/score/smpimpl.h @@ -19,6 +19,8 @@ #define _RTEMS_SCORE_SMPIMPL_H #include <rtems/score/smp.h> +#include <rtems/score/percpu.h> +#include <rtems/fatal.h> #ifdef __cplusplus extern "C" { @@ -92,7 +94,27 @@ void _SMP_Start_multitasking_on_secondary_processor( void ) /** * @brief Interrupt handler for inter-processor interrupts. */ -void _SMP_Inter_processor_interrupt_handler( void ); +static inline void _SMP_Inter_processor_interrupt_handler( void ) +{ + Per_CPU_Control *self_cpu = _Per_CPU_Get(); + + if ( self_cpu->message != 0 ) { + uint32_t message; + ISR_Level level; + + _Per_CPU_ISR_disable_and_acquire( self_cpu, level ); + message = self_cpu->message; + self_cpu->message = 0; + _Per_CPU_Release_and_ISR_enable( self_cpu, level ); + + if ( ( message & SMP_MESSAGE_SHUTDOWN ) != 0 ) { + _Per_CPU_Change_state( self_cpu, PER_CPU_STATE_SHUTDOWN ); + + rtems_fatal( RTEMS_FATAL_SOURCE_SMP, SMP_FATAL_SHUTDOWN ); + /* does not continue past here */ + } + } +} /** * @brief Sends a SMP message to a processor. |