forked from Imagelibrary/rtems
2007-12-21 Joel Sherrill <joel.sherrill@OARcorp.com>
* configure.ac, score/include/rtems/score/coremutex.h, score/inline/rtems/score/coremutex.inl: Add the ability to disable inlining coremutex seize. This reduces the code size and also improves the process of coverage analysis. * score/src/coremutexseizeintr.c: New file.
This commit is contained in:
@@ -1,3 +1,11 @@
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2007-12-21 Joel Sherrill <joel.sherrill@OARcorp.com>
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* configure.ac, score/include/rtems/score/coremutex.h,
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score/inline/rtems/score/coremutex.inl: Add the ability to disable
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inlining coremutex seize. This reduces the code size and also
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improves the process of coverage analysis.
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* score/src/coremutexseizeintr.c: New file.
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2007-12-21 Xi Yang <hiyangxi@gmail.com>
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* configure.ac, score/include/rtems/score/coremutex.h,
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@@ -218,12 +218,21 @@ RTEMS_CPUOPT([__RTEMS_USE_TICKS_RATE_MONOTONIC_STATISTICS__],
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[disable nanosecond granularity for period statistics]
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)
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## This improves both the size and coverage analysis.
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RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_THREAD_ENABLE_DISPATCH__],
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[test x"${RTEMS_DO_NOT_INLINE_THREAD_ENABLE_DISPATCH}" = x"1"],
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[1],
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[disable inlining _Thread_Enable_dispatch]
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)
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## This improves both the size and coverage analysis.
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RTEMS_CPUOPT([__RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE__],
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[test x"${RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE}" = x"1"],
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[1],
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[disable inlining _Thread_Enable_dispatch]
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)
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## This gives the same behavior as 4.8 and older
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RTEMS_CPUOPT([__STRICT_ORDER_MUTEX__],
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[test x"${ENABLE_STRICT_ORDER_MUTEX}"=x"1"],
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[1],
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@@ -41,6 +41,7 @@ extern "C" {
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#include <rtems/score/interr.h>
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#include <rtems/score/sysstate.h>
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/**
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* @brief MP Support Callback Prototype
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*
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@@ -102,16 +103,19 @@ typedef enum {
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* because the resource never became available.
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*/
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CORE_MUTEX_TIMEOUT,
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#ifdef __STRICT_ORDER_MUTEX__
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/** This status indicates that a thread not release the mutex which has
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* the priority inheritance property in a right order.
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*/
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CORE_MUTEX_RELEASE_NOT_ORDER,
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#endif
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/** This status indicates that a thread of logically greater importance
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* than the ceiling priority attempted to lock this mutex.
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*/
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CORE_MUTEX_STATUS_CEILING_VIOLATED,
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} CORE_mutex_Status;
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/**
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@@ -190,7 +194,7 @@ typedef struct {
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} CORE_mutex_Attributes;
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#ifdef __STRICT_ORDER_MUTEX__
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/*@brief Core Mutex Lock_Chain Struct
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/*@beief Core Mutex Lock_Chain Struct
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*
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* The following defines the control block used to manage lock chain of
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* priority inheritance mutex.
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@@ -239,7 +243,7 @@ typedef struct {
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/** This element contains the object Id of the holding thread. */
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Objects_Id holder_id;
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#ifdef __STRICT_ORDER_MUTEX__
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/** This field is used to manipulate the priority inheritance mutex queue. */
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/** This field is used to manipulate the priority inheritance mutex queue*/
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CORE_mutex_order_list queue;
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#endif
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@@ -281,11 +285,22 @@ void _CORE_mutex_Initialize(
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* @note For performance reasons, this routine is implemented as
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* a macro that uses two support routines.
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*/
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int _CORE_mutex_Seize_interrupt_trylock(
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RTEMS_INLINE_ROUTINE int _CORE_mutex_Seize_interrupt_trylock_body(
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CORE_mutex_Control *the_mutex,
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ISR_Level *level_p
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);
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#if !defined(__RTEMS_DO_NOT_INLINE_CORE_MUTEX_SEIZE__)
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#define _CORE_mutex_Seize_interrupt_trylock( _mutex, _level ) \
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_CORE_mutex_Seize_interrupt_trylock_body( _mutex, _level )
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#else
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int _CORE_mutex_Seize_interrupt_trylock(
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CORE_mutex_Control *the_mutex,
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ISR_Level *level_p
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);
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#endif
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/**
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* @brief Seize Mutex with Blocking
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*
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31
cpukit/score/src/coremutexseizeintr.c
Normal file
31
cpukit/score/src/coremutexseizeintr.c
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@@ -0,0 +1,31 @@
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/*
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* Mutex Handler -- Seize interrupt disable version
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*
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* COPYRIGHT (c) 1989-2007.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/system.h>
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#include <rtems/score/isr.h>
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#include <rtems/score/coremutex.h>
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#include <rtems/score/states.h>
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#include <rtems/score/thread.h>
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#include <rtems/score/threadq.h>
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int _CORE_mutex_Seize_interrupt_trylock(
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CORE_mutex_Control *the_mutex,
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ISR_Level *level_p
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)
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{
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return _CORE_mutex_Seize_interrupt_trylock_body( the_mutex, level_p );
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}
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