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-rw-r--r--cpukit/rtems/src/taskmp.c338
1 files changed, 338 insertions, 0 deletions
diff --git a/cpukit/rtems/src/taskmp.c b/cpukit/rtems/src/taskmp.c
new file mode 100644
index 0000000000..b938c60c53
--- /dev/null
+++ b/cpukit/rtems/src/taskmp.c
@@ -0,0 +1,338 @@
+/*
+ * Multiprocessing Support for the RTEMS Task Manager
+ *
+ *
+ * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ * On-Line Applications Research Corporation (OAR).
+ * All rights assigned to U.S. Government, 1994.
+ *
+ * This material may be reproduced by or for the U.S. Government pursuant
+ * to the copyright license under the clause at DFARS 252.227-7013. This
+ * notice must appear in all copies of this file and its derivatives.
+ *
+ * $Id$
+ */
+
+#include <rtems/system.h>
+#include <rtems/mpci.h>
+#include <rtems/mppkt.h>
+#include <rtems/object.h>
+#include <rtems/options.h>
+#include <rtems/tasks.h>
+#include <rtems/thread.h>
+#include <rtems/watchdog.h>
+
+/*PAGE
+ *
+ * _RTEMS_tasks_MP_Send_process_packet
+ *
+ */
+
+void _RTEMS_tasks_MP_Send_process_packet (
+ RTEMS_tasks_MP_Remote_operations operation,
+ Objects_Id task_id,
+ Objects_Name name
+)
+{
+ RTEMS_tasks_MP_Packet *the_packet;
+
+ switch ( operation ) {
+
+ case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
+ case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
+
+ the_packet = _RTEMS_tasks_MP_Get_packet();
+ the_packet->Prefix.the_class = RTEMS_MP_PACKET_TASKS;
+ the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet );
+ the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet );
+ the_packet->operation = operation;
+ the_packet->Prefix.id = task_id;
+ the_packet->name = name;
+
+ _MPCI_Send_process_packet( MPCI_ALL_NODES, &the_packet->Prefix );
+ break;
+
+ case RTEMS_TASKS_MP_SUSPEND_REQUEST:
+ case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
+ case RTEMS_TASKS_MP_RESUME_REQUEST:
+ case RTEMS_TASKS_MP_RESUME_RESPONSE:
+ case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
+ case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
+ case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
+ case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
+ case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
+ case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
+ break;
+ }
+}
+
+/*PAGE
+ *
+ * _RTEMS_tasks_MP_Send_request_packet
+ *
+ */
+
+rtems_status_code _RTEMS_tasks_MP_Send_request_packet (
+ RTEMS_tasks_MP_Remote_operations operation,
+ Objects_Id task_id,
+ rtems_task_priority new_priority,
+ unsigned32 notepad,
+ unsigned32 note
+)
+{
+ RTEMS_tasks_MP_Packet *the_packet;
+
+ switch ( operation ) {
+
+ case RTEMS_TASKS_MP_SUSPEND_REQUEST:
+ case RTEMS_TASKS_MP_RESUME_REQUEST:
+ case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
+ case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
+ case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
+
+ the_packet = _RTEMS_tasks_MP_Get_packet();
+ the_packet->Prefix.the_class = RTEMS_MP_PACKET_TASKS;
+ the_packet->Prefix.length = sizeof ( RTEMS_tasks_MP_Packet );
+ the_packet->Prefix.to_convert = sizeof ( RTEMS_tasks_MP_Packet );
+ the_packet->operation = operation;
+ the_packet->Prefix.id = task_id;
+ the_packet->the_priority = new_priority;
+ the_packet->notepad = notepad;
+ the_packet->note = note;
+
+ return _MPCI_Send_request_packet(
+ rtems_get_node( task_id ),
+ &the_packet->Prefix,
+ STATES_READY /* Not used */
+ );
+ break;
+
+ case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
+ case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
+ case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
+ case RTEMS_TASKS_MP_RESUME_RESPONSE:
+ case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
+ case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
+ case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
+ break;
+
+ }
+ /*
+ * The following line is included to satisfy compilers which
+ * produce warnings when a function does not end with a return.
+ */
+ return RTEMS_SUCCESSFUL;
+}
+
+/*PAGE
+ *
+ * _RTEMS_tasks_MP_Send_response_packet
+ *
+ */
+
+void _RTEMS_tasks_MP_Send_response_packet (
+ RTEMS_tasks_MP_Remote_operations operation,
+ Thread_Control *the_thread
+)
+{
+ RTEMS_tasks_MP_Packet *the_packet;
+
+ switch ( operation ) {
+
+ case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
+ case RTEMS_TASKS_MP_RESUME_RESPONSE:
+ case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
+ case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
+ case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
+
+ the_packet = (RTEMS_tasks_MP_Packet *) the_thread->receive_packet;
+
+/*
+ * The packet being returned already contains the class, length, and
+ * to_convert fields, therefore they are not set in this routine.
+ */
+ the_packet->operation = operation;
+ the_packet->Prefix.id = the_packet->Prefix.source_tid;
+
+ _MPCI_Send_response_packet(
+ rtems_get_node( the_packet->Prefix.source_tid ),
+ &the_packet->Prefix
+ );
+ break;
+
+ case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
+ case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
+ case RTEMS_TASKS_MP_SUSPEND_REQUEST:
+ case RTEMS_TASKS_MP_RESUME_REQUEST:
+ case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
+ case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
+ case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
+ break;
+
+ }
+}
+
+/*PAGE
+ *
+ *
+ * _RTEMS_tasks_MP_Process_packet
+ *
+ */
+
+void _RTEMS_tasks_MP_Process_packet (
+ rtems_packet_prefix *the_packet_prefix
+)
+{
+ RTEMS_tasks_MP_Packet *the_packet;
+ Thread_Control *the_thread;
+ boolean ignored;
+
+ the_packet = (RTEMS_tasks_MP_Packet *) the_packet_prefix;
+
+ switch ( the_packet->operation ) {
+
+ case RTEMS_TASKS_MP_ANNOUNCE_CREATE:
+
+ ignored = _Objects_MP_Open(
+ &_Thread_Information,
+ the_packet->name,
+ the_packet->Prefix.id,
+ TRUE
+ );
+
+ _MPCI_Return_packet( the_packet_prefix );
+ break;
+
+ case RTEMS_TASKS_MP_ANNOUNCE_DELETE:
+
+ _Objects_MP_Close( &_Thread_Information, the_packet->Prefix.id );
+
+ _MPCI_Return_packet( the_packet_prefix );
+ break;
+
+ case RTEMS_TASKS_MP_SUSPEND_REQUEST:
+
+ the_packet->Prefix.return_code = rtems_task_suspend(
+ the_packet->Prefix.id
+ );
+
+ _RTEMS_tasks_MP_Send_response_packet(
+ RTEMS_TASKS_MP_SUSPEND_RESPONSE,
+ _Thread_Executing
+ );
+ break;
+
+ case RTEMS_TASKS_MP_SUSPEND_RESPONSE:
+ case RTEMS_TASKS_MP_RESUME_RESPONSE:
+ case RTEMS_TASKS_MP_SET_NOTE_RESPONSE:
+
+ the_thread = _MPCI_Process_response( the_packet_prefix );
+
+ _MPCI_Return_packet( the_packet_prefix );
+ break;
+
+ case RTEMS_TASKS_MP_RESUME_REQUEST:
+
+ the_packet->Prefix.return_code = rtems_task_resume(
+ the_packet->Prefix.id
+ );
+
+ _RTEMS_tasks_MP_Send_response_packet(
+ RTEMS_TASKS_MP_RESUME_RESPONSE,
+ _Thread_Executing
+ );
+ break;
+
+ case RTEMS_TASKS_MP_SET_PRIORITY_REQUEST:
+
+ the_packet->Prefix.return_code = rtems_task_set_priority(
+ the_packet->Prefix.id,
+ the_packet->the_priority,
+ &the_packet->the_priority
+ );
+
+ _RTEMS_tasks_MP_Send_response_packet(
+ RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE,
+ _Thread_Executing
+ );
+ break;
+
+ case RTEMS_TASKS_MP_SET_PRIORITY_RESPONSE:
+
+ the_thread = _MPCI_Process_response( the_packet_prefix );
+
+ *(rtems_task_priority *)the_thread->Wait.return_argument =
+ the_packet->the_priority;
+
+ _MPCI_Return_packet( the_packet_prefix );
+ break;
+
+ case RTEMS_TASKS_MP_GET_NOTE_REQUEST:
+
+ the_packet->Prefix.return_code = rtems_task_get_note(
+ the_packet->Prefix.id,
+ the_packet->notepad,
+ &the_packet->note
+ );
+
+ _RTEMS_tasks_MP_Send_response_packet(
+ RTEMS_TASKS_MP_GET_NOTE_RESPONSE,
+ _Thread_Executing
+ );
+ break;
+
+ case RTEMS_TASKS_MP_GET_NOTE_RESPONSE:
+
+ the_thread = _MPCI_Process_response( the_packet_prefix );
+
+ *(unsigned32 *)the_thread->Wait.return_argument = the_packet->note;
+
+ _MPCI_Return_packet( the_packet_prefix );
+ break;
+
+ case RTEMS_TASKS_MP_SET_NOTE_REQUEST:
+
+ the_packet->Prefix.return_code = rtems_task_set_note(
+ the_packet->Prefix.id,
+ the_packet->notepad,
+ the_packet->note
+ );
+
+ _RTEMS_tasks_MP_Send_response_packet(
+ RTEMS_TASKS_MP_SET_NOTE_RESPONSE,
+ _Thread_Executing
+ );
+ break;
+ }
+}
+
+/*PAGE
+ *
+ * _RTEMS_tasks_MP_Send_object_was_deleted
+ *
+ * This routine is not neededby the Tasks since a task
+ * cannot be globally deleted.
+ *
+ */
+
+/*PAGE
+ *
+ * _RTEMS_tasks_MP_Send_extract_proxy
+ *
+ * This routine is not neededby the Tasks since a task
+ * cannot be globally deleted.
+ *
+ */
+
+/*PAGE
+ *
+ * _RTEMS_tasks_MP_Get_packet
+ *
+ */
+
+RTEMS_tasks_MP_Packet *_RTEMS_tasks_MP_Get_packet ( void )
+{
+ return ( (RTEMS_tasks_MP_Packet *) _MPCI_Get_packet() );
+}
+
+/* end of file */
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