diff options
Diffstat (limited to 'c/src/exec/score/src/mpci.c')
| -rw-r--r-- | c/src/exec/score/src/mpci.c | 181 |
1 files changed, 144 insertions, 37 deletions
diff --git a/c/src/exec/score/src/mpci.c b/c/src/exec/score/src/mpci.c index 26c27ae733..ee72d6c396 100644 --- a/c/src/exec/score/src/mpci.c +++ b/c/src/exec/score/src/mpci.c @@ -14,16 +14,20 @@ */ #include <rtems/system.h> -#include <rtems/config.h> -#include <rtems/cpu.h> -#include <rtems/fatal.h> -#include <rtems/mpci.h> -#include <rtems/mppkt.h> -#include <rtems/states.h> -#include <rtems/thread.h> -#include <rtems/threadq.h> -#include <rtems/tqdata.h> -#include <rtems/watchdog.h> +#include <rtems/core/cpu.h> +#include <rtems/core/interr.h> +#include <rtems/core/mpci.h> +#include <rtems/core/mppkt.h> +#include <rtems/core/states.h> +#include <rtems/core/thread.h> +#include <rtems/core/threadq.h> +#include <rtems/core/tqdata.h> +#include <rtems/core/watchdog.h> +#include <rtems/sysstate.h> + +#include <rtems/core/coresem.h> + +#include <rtems/rtems/status.h> /* XXX for TIMEOUT */ /*PAGE * @@ -32,14 +36,38 @@ * This subprogram performs the initialization necessary for this handler. */ -void _MPCI_Handler_initialization ( void ) +void _MPCI_Handler_initialization( + MPCI_Control *users_mpci_table +) { + CORE_semaphore_Attributes attributes; + + if ( _System_state_Is_multiprocessing && !users_mpci_table ) + _Internal_error_Occurred( + INTERNAL_ERROR_CORE, + TRUE, + INTERNAL_ERROR_NO_MPCI + ); + + _MPCI_table = users_mpci_table; + + attributes.discipline = CORE_SEMAPHORE_DISCIPLINES_FIFO; + + _CORE_semaphore_Initialize( + &_MPCI_Semaphore, + OBJECTS_NO_CLASS, /* free floating semaphore */ + &attributes, /* the_semaphore_attributes */ + 0, /* initial_value */ + NULL /* proxy_extract_callout */ + ); + _Thread_queue_Initialize( &_MPCI_Remote_blocked_threads, OBJECTS_NO_CLASS, THREAD_QUEUE_DISCIPLINE_FIFO, STATES_WAITING_FOR_RPC_REPLY, - NULL + NULL, + RTEMS_TIMEOUT ); } @@ -53,11 +81,24 @@ void _MPCI_Handler_initialization ( void ) void _MPCI_Initialization ( void ) { - (*_Configuration_MPCI_table->initialization)( - _Configuration_Table, - &_CPU_Table, - _Configuration_MP_table - ); + (*_MPCI_table->initialization)(); +} + +/*PAGE + * + * _MPCI_Register_packet_processor + * + * This routine registers the MPCI packet processor for the + * designated object class. + */ + +void _MPCI_Register_packet_processor( + Objects_Classes the_class, + MPCI_Packet_processor the_packet_processor + +) +{ + _MPCI_Packet_processors[ the_class ] = the_packet_processor; } /*PAGE @@ -68,14 +109,18 @@ void _MPCI_Initialization ( void ) * MPCI get packet callout. */ -rtems_packet_prefix *_MPCI_Get_packet ( void ) +MP_packet_Prefix *_MPCI_Get_packet ( void ) { - rtems_packet_prefix *the_packet; + MP_packet_Prefix *the_packet; - (*_Configuration_MPCI_table->get_packet)( &the_packet ); + (*_MPCI_table->get_packet)( &the_packet ); if ( the_packet == NULL ) - rtems_fatal_error_occurred( RTEMS_UNSATISFIED ); + _Internal_error_Occurred( + INTERNAL_ERROR_CORE, + TRUE, + INTERNAL_ERROR_OUT_OF_PACKETS + ); /* * Put in a default timeout that will be used for @@ -96,10 +141,10 @@ rtems_packet_prefix *_MPCI_Get_packet ( void ) */ void _MPCI_Return_packet ( - rtems_packet_prefix *the_packet + MP_packet_Prefix *the_packet ) { - (*_Configuration_MPCI_table->return_packet)( the_packet ); + (*_MPCI_table->return_packet)( the_packet ); } /*PAGE @@ -112,15 +157,15 @@ void _MPCI_Return_packet ( void _MPCI_Send_process_packet ( unsigned32 destination, - rtems_packet_prefix *the_packet + MP_packet_Prefix *the_packet ) { the_packet->source_tid = _Thread_Executing->Object.id; the_packet->to_convert = - ( the_packet->to_convert - sizeof(rtems_packet_prefix) ) / + ( the_packet->to_convert - sizeof(MP_packet_Prefix) ) / sizeof(unsigned32); - (*_Configuration_MPCI_table->send_packet)( destination, the_packet ); + (*_MPCI_table->send_packet)( destination, the_packet ); } /*PAGE @@ -131,16 +176,16 @@ void _MPCI_Send_process_packet ( * MPCI send callout. */ -rtems_status_code _MPCI_Send_request_packet ( +unsigned32 _MPCI_Send_request_packet ( unsigned32 destination, - rtems_packet_prefix *the_packet, + MP_packet_Prefix *the_packet, States_Control extra_state ) { the_packet->source_tid = _Thread_Executing->Object.id; the_packet->source_priority = _Thread_Executing->current_priority; the_packet->to_convert = - ( the_packet->to_convert - sizeof(rtems_packet_prefix) ) / + ( the_packet->to_convert - sizeof(MP_packet_Prefix) ) / sizeof(unsigned32); _Thread_Executing->Wait.id = the_packet->id; @@ -149,7 +194,7 @@ rtems_status_code _MPCI_Send_request_packet ( _Thread_Disable_dispatch(); - (*_Configuration_MPCI_table->send_packet)( destination, the_packet ); + (*_MPCI_table->send_packet)( destination, the_packet ); _MPCI_Remote_blocked_threads.sync = TRUE; @@ -158,7 +203,7 @@ rtems_status_code _MPCI_Send_request_packet ( */ if (the_packet->timeout == MPCI_DEFAULT_TIMEOUT) - the_packet->timeout = _Configuration_MPCI_table->default_timeout; + the_packet->timeout = _MPCI_table->default_timeout; _Thread_queue_Enqueue( &_MPCI_Remote_blocked_threads, the_packet->timeout ); @@ -180,12 +225,12 @@ rtems_status_code _MPCI_Send_request_packet ( void _MPCI_Send_response_packet ( unsigned32 destination, - rtems_packet_prefix *the_packet + MP_packet_Prefix *the_packet ) { the_packet->source_tid = _Thread_Executing->Object.id; - (*_Configuration_MPCI_table->send_packet)( destination, the_packet ); + (*_MPCI_table->send_packet)( destination, the_packet ); } /*PAGE @@ -196,11 +241,11 @@ void _MPCI_Send_response_packet ( * MPCI receive callout. */ -rtems_packet_prefix *_MPCI_Receive_packet ( void ) +MP_packet_Prefix *_MPCI_Receive_packet ( void ) { - rtems_packet_prefix *the_packet; + MP_packet_Prefix *the_packet; - (*_Configuration_MPCI_table->receive_packet)( &the_packet ); + (*_MPCI_table->receive_packet)( &the_packet ); return the_packet; } @@ -214,7 +259,7 @@ rtems_packet_prefix *_MPCI_Receive_packet ( void ) */ Thread_Control *_MPCI_Process_response ( - rtems_packet_prefix *the_packet + MP_packet_Prefix *the_packet ) { Thread_Control *the_thread; @@ -236,4 +281,66 @@ Thread_Control *_MPCI_Process_response ( return the_thread; } +/*PAGE + * + * _MPCI_Receive_server + * + */ + +void _MPCI_Receive_server( void ) +{ + + MP_packet_Prefix *the_packet; + MPCI_Packet_processor the_function; + Thread_Control *executing; + + executing = _Thread_Executing; + _MPCI_Receive_server_tcb = executing; + + for ( ; ; ) { + + executing->receive_packet = NULL; + + _Thread_Disable_dispatch(); + _CORE_semaphore_Seize( &_MPCI_Semaphore, 0, TRUE, WATCHDOG_NO_TIMEOUT ); + _Thread_Enable_dispatch(); + + for ( ; ; ) { + the_packet = _MPCI_Receive_packet(); + + if ( !the_packet ) + break; + + executing->receive_packet = the_packet; + + if ( !_Mp_packet_Is_valid_packet_class ( the_packet->the_class ) ) + break; + + the_function = _MPCI_Packet_processors[ the_packet->the_class ]; + + if ( !the_function ) + _Internal_error_Occurred( + INTERNAL_ERROR_CORE, + TRUE, + INTERNAL_ERROR_BAD_PACKET + ); + + (*the_function)( the_packet ); + } + } +} + +/*PAGE + * + * _MPCI_Announce + * + */ + +void _MPCI_Announce ( void ) +{ + _Thread_Disable_dispatch(); + (void) _CORE_semaphore_Surrender( &_MPCI_Semaphore, 0, 0 ); + _Thread_Enable_dispatch(); +} + /* end of file */ |