diff options
Diffstat (limited to 'cpukit/score/src/thread.c')
| -rw-r--r-- | cpukit/score/src/thread.c | 46 |
1 files changed, 29 insertions, 17 deletions
diff --git a/cpukit/score/src/thread.c b/cpukit/score/src/thread.c index 6284e4b3e3..7a0eb38502 100644 --- a/cpukit/score/src/thread.c +++ b/cpukit/score/src/thread.c @@ -2,7 +2,7 @@ * Thread Handler * * - * COPYRIGHT (c) 1989-2008. + * COPYRIGHT (c) 1989-2011. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be @@ -33,8 +33,11 @@ #include <rtems/score/wkspace.h> #include <rtems/config.h> -/*PAGE - * +#if defined(RTEMS_SMP) + #include <rtems/bspsmp.h> +#endif + +/* * _Thread_Handler_initialization * * This routine initializes all thread manager related data structures. @@ -48,6 +51,7 @@ void _Thread_Handler_initialization(void) { uint32_t ticks_per_timeslice; uint32_t maximum_extensions; + uint32_t maximum_internal_threads; #if defined(RTEMS_MULTIPROCESSING) uint32_t maximum_proxies; #endif @@ -80,32 +84,40 @@ void _Thread_Handler_initialization(void) _Thread_Ticks_per_timeslice = ticks_per_timeslice; -#if defined(RTEMS_MULTIPROCESSING) - _Thread_MP_Handler_initialization( maximum_proxies ); -#endif + #if defined(RTEMS_MULTIPROCESSING) + _Thread_MP_Handler_initialization( maximum_proxies ); + #endif /* - * Initialize this class of objects. + * Initialize the internal class of threads. We need an IDLE thread + * per CPU in an SMP system. In addition, if this is a loosely + * coupled multiprocessing system, account for the MPCI Server Thread. */ + #if defined(RTEMS_SMP) + maximum_internal_threads = rtems_smp_maximum_processors; + #else + maximum_internal_threads = 1; + #endif + + #if defined(RTEMS_MULTIPROCESSING) + if ( _System_state_Is_multiprocessing ) + maximum_internal_threads += 1; + #endif _Objects_Initialize_information( &_Thread_Internal_information, OBJECTS_INTERNAL_API, OBJECTS_INTERNAL_THREADS, -#if defined(RTEMS_MULTIPROCESSING) - ( _System_state_Is_multiprocessing ) ? 2 : 1, -#else - 1, -#endif + maximum_internal_threads, sizeof( Thread_Control ), /* size of this object's control block */ false, /* true if names for this object are strings */ 8 /* maximum length of each object's name */ -#if defined(RTEMS_MULTIPROCESSING) - , - false, /* true if this is a global object class */ - NULL /* Proxy extraction support callout */ -#endif + #if defined(RTEMS_MULTIPROCESSING) + , + false, /* true if this is a global object class */ + NULL /* Proxy extraction support callout */ + #endif ); } |