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-rw-r--r--cpukit/score/include/rtems/score/mrspimpl.h384
1 files changed, 0 insertions, 384 deletions
diff --git a/cpukit/score/include/rtems/score/mrspimpl.h b/cpukit/score/include/rtems/score/mrspimpl.h
deleted file mode 100644
index b9c7441401..0000000000
--- a/cpukit/score/include/rtems/score/mrspimpl.h
+++ /dev/null
@@ -1,384 +0,0 @@
-/*
- * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved.
- *
- * embedded brains GmbH
- * Dornierstr. 4
- * 82178 Puchheim
- * Germany
- * <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#ifndef _RTEMS_SCORE_MRSPIMPL_H
-#define _RTEMS_SCORE_MRSPIMPL_H
-
-#include <rtems/score/mrsp.h>
-
-#if defined(RTEMS_SMP)
-
-#include <rtems/score/assert.h>
-#include <rtems/score/status.h>
-#include <rtems/score/threadqimpl.h>
-#include <rtems/score/watchdogimpl.h>
-#include <rtems/score/wkspace.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-/**
- * @addtogroup ScoreMRSP
- *
- * @{
- */
-
-#define MRSP_TQ_OPERATIONS &_Thread_queue_Operations_priority_inherit
-
-RTEMS_INLINE_ROUTINE void _MRSP_Acquire_critical(
- MRSP_Control *mrsp,
- Thread_queue_Context *queue_context
-)
-{
- _Thread_queue_Acquire_critical( &mrsp->Wait_queue, queue_context );
-}
-
-RTEMS_INLINE_ROUTINE void _MRSP_Release(
- MRSP_Control *mrsp,
- Thread_queue_Context *queue_context
-)
-{
- _Thread_queue_Release( &mrsp->Wait_queue, queue_context );
-}
-
-RTEMS_INLINE_ROUTINE Thread_Control *_MRSP_Get_owner(
- const MRSP_Control *mrsp
-)
-{
- return mrsp->Wait_queue.Queue.owner;
-}
-
-RTEMS_INLINE_ROUTINE void _MRSP_Set_owner(
- MRSP_Control *mrsp,
- Thread_Control *owner
-)
-{
- mrsp->Wait_queue.Queue.owner = owner;
-}
-
-RTEMS_INLINE_ROUTINE Priority_Control _MRSP_Get_priority(
- const MRSP_Control *mrsp,
- const Scheduler_Control *scheduler
-)
-{
- uint32_t scheduler_index;
-
- scheduler_index = _Scheduler_Get_index( scheduler );
- return mrsp->ceiling_priorities[ scheduler_index ];
-}
-
-RTEMS_INLINE_ROUTINE void _MRSP_Set_priority(
- MRSP_Control *mrsp,
- const Scheduler_Control *scheduler,
- Priority_Control new_priority
-)
-{
- uint32_t scheduler_index;
-
- scheduler_index = _Scheduler_Get_index( scheduler );
- mrsp->ceiling_priorities[ scheduler_index ] = new_priority;
-}
-
-RTEMS_INLINE_ROUTINE Status_Control _MRSP_Raise_priority(
- MRSP_Control *mrsp,
- Thread_Control *thread,
- Priority_Node *priority_node,
- Thread_queue_Context *queue_context
-)
-{
- Status_Control status;
- ISR_lock_Context lock_context;
- const Scheduler_Control *scheduler;
- Priority_Control ceiling_priority;
- Scheduler_Node *scheduler_node;
-
- _Thread_queue_Context_clear_priority_updates( queue_context );
- _Thread_Wait_acquire_default_critical( thread, &lock_context );
-
- scheduler = _Thread_Scheduler_get_home( thread );
- scheduler_node = _Thread_Scheduler_get_home_node( thread );
- ceiling_priority = _MRSP_Get_priority( mrsp, scheduler );
-
- if (
- ceiling_priority
- <= _Priority_Get_priority( &scheduler_node->Wait.Priority )
- ) {
- _Priority_Node_initialize( priority_node, ceiling_priority );
- _Thread_Priority_add( thread, priority_node, queue_context );
- status = STATUS_SUCCESSFUL;
- } else {
- status = STATUS_MUTEX_CEILING_VIOLATED;
- }
-
- _Thread_Wait_release_default_critical( thread, &lock_context );
- return status;
-}
-
-RTEMS_INLINE_ROUTINE void _MRSP_Remove_priority(
- Thread_Control *thread,
- Priority_Node *priority_node,
- Thread_queue_Context *queue_context
-)
-{
- ISR_lock_Context lock_context;
-
- _Thread_queue_Context_clear_priority_updates( queue_context );
- _Thread_Wait_acquire_default_critical( thread, &lock_context );
- _Thread_Priority_remove( thread, priority_node, queue_context );
- _Thread_Wait_release_default_critical( thread, &lock_context );
-}
-
-RTEMS_INLINE_ROUTINE void _MRSP_Replace_priority(
- MRSP_Control *mrsp,
- Thread_Control *thread,
- Priority_Node *ceiling_priority
-)
-{
- ISR_lock_Context lock_context;
-
- _Thread_Wait_acquire_default( thread, &lock_context );
- _Thread_Priority_replace(
- thread,
- ceiling_priority,
- &mrsp->Ceiling_priority
- );
- _Thread_Wait_release_default( thread, &lock_context );
-}
-
-RTEMS_INLINE_ROUTINE Status_Control _MRSP_Claim_ownership(
- MRSP_Control *mrsp,
- Thread_Control *executing,
- Thread_queue_Context *queue_context
-)
-{
- Status_Control status;
- Per_CPU_Control *cpu_self;
-
- status = _MRSP_Raise_priority(
- mrsp,
- executing,
- &mrsp->Ceiling_priority,
- queue_context
- );
-
- if ( status != STATUS_SUCCESSFUL ) {
- _MRSP_Release( mrsp, queue_context );
- return status;
- }
-
- _MRSP_Set_owner( mrsp, executing );
- cpu_self = _Thread_queue_Dispatch_disable( queue_context );
- _MRSP_Release( mrsp, queue_context );
- _Thread_Priority_and_sticky_update( executing, 1 );
- _Thread_Dispatch_enable( cpu_self );
- return STATUS_SUCCESSFUL;
-}
-
-RTEMS_INLINE_ROUTINE Status_Control _MRSP_Initialize(
- MRSP_Control *mrsp,
- const Scheduler_Control *scheduler,
- Priority_Control ceiling_priority,
- Thread_Control *executing,
- bool initially_locked
-)
-{
- uint32_t scheduler_count = _Scheduler_Count;
- uint32_t i;
-
- if ( initially_locked ) {
- return STATUS_INVALID_NUMBER;
- }
-
- mrsp->ceiling_priorities = _Workspace_Allocate(
- sizeof( *mrsp->ceiling_priorities ) * scheduler_count
- );
- if ( mrsp->ceiling_priorities == NULL ) {
- return STATUS_NO_MEMORY;
- }
-
- for ( i = 0 ; i < scheduler_count ; ++i ) {
- const Scheduler_Control *scheduler_of_index;
-
- scheduler_of_index = &_Scheduler_Table[ i ];
-
- if ( scheduler != scheduler_of_index ) {
- mrsp->ceiling_priorities[ i ] =
- _Scheduler_Map_priority( scheduler_of_index, 0 );
- } else {
- mrsp->ceiling_priorities[ i ] = ceiling_priority;
- }
- }
-
- _Thread_queue_Object_initialize( &mrsp->Wait_queue );
- return STATUS_SUCCESSFUL;
-}
-
-RTEMS_INLINE_ROUTINE Status_Control _MRSP_Wait_for_ownership(
- MRSP_Control *mrsp,
- Thread_Control *executing,
- Thread_queue_Context *queue_context
-)
-{
- Status_Control status;
- Priority_Node ceiling_priority;
-
- status = _MRSP_Raise_priority(
- mrsp,
- executing,
- &ceiling_priority,
- queue_context
- );
-
- if ( status != STATUS_SUCCESSFUL ) {
- _MRSP_Release( mrsp, queue_context );
- return status;
- }
-
- _Thread_queue_Context_set_deadlock_callout(
- queue_context,
- _Thread_queue_Deadlock_status
- );
- status = _Thread_queue_Enqueue_sticky(
- &mrsp->Wait_queue.Queue,
- MRSP_TQ_OPERATIONS,
- executing,
- queue_context
- );
-
- if ( status == STATUS_SUCCESSFUL ) {
- _MRSP_Replace_priority( mrsp, executing, &ceiling_priority );
- } else {
- Thread_queue_Context queue_context;
- Per_CPU_Control *cpu_self;
- int sticky_level_change;
-
- if ( status != STATUS_DEADLOCK ) {
- sticky_level_change = -1;
- } else {
- sticky_level_change = 0;
- }
-
- _ISR_lock_ISR_disable( &queue_context.Lock_context.Lock_context );
- _MRSP_Remove_priority( executing, &ceiling_priority, &queue_context );
- cpu_self = _Thread_Dispatch_disable_critical(
- &queue_context.Lock_context.Lock_context
- );
- _ISR_lock_ISR_enable( &queue_context.Lock_context.Lock_context );
- _Thread_Priority_and_sticky_update( executing, sticky_level_change );
- _Thread_Dispatch_enable( cpu_self );
- }
-
- return status;
-}
-
-RTEMS_INLINE_ROUTINE Status_Control _MRSP_Seize(
- MRSP_Control *mrsp,
- Thread_Control *executing,
- bool wait,
- Thread_queue_Context *queue_context
-)
-{
- Status_Control status;
- Thread_Control *owner;
-
- _MRSP_Acquire_critical( mrsp, queue_context );
-
- owner = _MRSP_Get_owner( mrsp );
-
- if ( owner == NULL ) {
- status = _MRSP_Claim_ownership( mrsp, executing, queue_context );
- } else if ( owner == executing ) {
- _MRSP_Release( mrsp, queue_context );
- status = STATUS_UNAVAILABLE;
- } else if ( wait ) {
- status = _MRSP_Wait_for_ownership( mrsp, executing, queue_context );
- } else {
- _MRSP_Release( mrsp, queue_context );
- status = STATUS_UNAVAILABLE;
- }
-
- return status;
-}
-
-RTEMS_INLINE_ROUTINE Status_Control _MRSP_Surrender(
- MRSP_Control *mrsp,
- Thread_Control *executing,
- Thread_queue_Context *queue_context
-)
-{
- Thread_queue_Heads *heads;
-
- if ( _MRSP_Get_owner( mrsp ) != executing ) {
- _ISR_lock_ISR_enable( &queue_context->Lock_context.Lock_context );
- return STATUS_NOT_OWNER;
- }
-
- _MRSP_Acquire_critical( mrsp, queue_context );
-
- _MRSP_Set_owner( mrsp, NULL );
- _MRSP_Remove_priority( executing, &mrsp->Ceiling_priority, queue_context );
-
- heads = mrsp->Wait_queue.Queue.heads;
-
- if ( heads == NULL ) {
- Per_CPU_Control *cpu_self;
-
- cpu_self = _Thread_Dispatch_disable_critical(
- &queue_context->Lock_context.Lock_context
- );
- _MRSP_Release( mrsp, queue_context );
- _Thread_Priority_and_sticky_update( executing, -1 );
- _Thread_Dispatch_enable( cpu_self );
- return STATUS_SUCCESSFUL;
- }
-
- _Thread_queue_Surrender_sticky(
- &mrsp->Wait_queue.Queue,
- heads,
- executing,
- queue_context,
- MRSP_TQ_OPERATIONS
- );
- return STATUS_SUCCESSFUL;
-}
-
-RTEMS_INLINE_ROUTINE Status_Control _MRSP_Can_destroy( MRSP_Control *mrsp )
-{
- if ( _MRSP_Get_owner( mrsp ) != NULL ) {
- return STATUS_RESOURCE_IN_USE;
- }
-
- return STATUS_SUCCESSFUL;
-}
-
-RTEMS_INLINE_ROUTINE void _MRSP_Destroy(
- MRSP_Control *mrsp,
- Thread_queue_Context *queue_context
-)
-{
- _MRSP_Release( mrsp, queue_context );
- _Thread_queue_Destroy( &mrsp->Wait_queue );
- _Workspace_Free( mrsp->ceiling_priorities );
-}
-
-/** @} */
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* RTEMS_SMP */
-
-#endif /* _RTEMS_SCORE_MRSPIMPL_H */
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