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score: Add Processor_mask, etc.

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This commit is contained in:
Sebastian Huber
2016-02-17 15:25:10 +01:00
parent decff899ec
commit a38d1fe412
3 changed files with 95 additions and 0 deletions
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1
cpukit/score/Makefile.am
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@@ -61,6 +61,7 @@ include_rtems_score_HEADERS += include/rtems/score/priority.h
include_rtems_score_HEADERS += include/rtems/score/prioritybitmap.h
include_rtems_score_HEADERS += include/rtems/score/prioritybitmapimpl.h
include_rtems_score_HEADERS += include/rtems/score/profiling.h
include_rtems_score_HEADERS += include/rtems/score/processormask.h
include_rtems_score_HEADERS += include/rtems/score/rbtree.h
include_rtems_score_HEADERS += include/rtems/score/rbtreeimpl.h
include_rtems_score_HEADERS += include/rtems/score/resource.h

90
cpukit/score/include/rtems/score/processormask.h Normal file
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@@ -0,0 +1,90 @@
/**
* @file
*
* @brief Processor Mask API
*
* @ingroup ScoreProcessorMask
*/
/*
* Copyright (c) 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_PROCESSORMASK_H
#define _RTEMS_SCORE_PROCESSORMASK_H
#include <rtems/score/cpu.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @defgroup ScoreProcessorMask Processor Mask
*
* @ingroup Score
*
* The processor mask provides a bit map large enough to provide one bit for
* each processor in the system. It is a fixed size internal data type
* provided for efficiency in addition to the API level cpu_set_t.
*
* @{
*/
#define PROCESSOR_MASK_BITS_PER_FIELD 32
#define PROCESSOR_MASK_FIELD_COUNT \
( ( CPU_MAXIMUM_PROCESSORS + PROCESSOR_MASK_BITS_PER_FIELD - 1 ) \
/ PROCESSOR_MASK_BITS_PER_FIELD )
#define PROCESSOR_MASK_BIT( index ) \
(1UL << ( ( index ) % PROCESSOR_MASK_BITS_PER_FIELD ) )
#define PROCESSOR_MASK_FIELD( index ) \
( ( index ) / PROCESSOR_MASK_BITS_PER_FIELD )
/**
* @brief A bit map consisting of 32-bit integer fields which is large enough
* to provide one bit for each processor in the system.
*
* Processor 0 corresponds to the bit 0 (least-significant) of the field 0 in
* the array, and so on.
*/
typedef uint32_t Processor_mask[ PROCESSOR_MASK_FIELD_COUNT ];
RTEMS_INLINE_ROUTINE void _Processor_mask_Set( Processor_mask mask, uint32_t index )
{
mask[ PROCESSOR_MASK_FIELD( index ) ] |= PROCESSOR_MASK_BIT( index );
}
RTEMS_INLINE_ROUTINE void _Processor_mask_Clear( Processor_mask mask, uint32_t index )
{
mask[ PROCESSOR_MASK_FIELD( index ) ] &= ~PROCESSOR_MASK_BIT( index );
}
RTEMS_INLINE_ROUTINE bool _Processor_mask_Is_set(
const Processor_mask mask,
uint32_t index
)
{
return ( mask[ PROCESSOR_MASK_FIELD( index ) ]
& PROCESSOR_MASK_BIT( index ) ) != 0;
}
/** @} */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* _RTEMS_SCORE_PROCESSORMASK_H */

4
cpukit/score/preinstall.am
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@@ -212,6 +212,10 @@ $(PROJECT_INCLUDE)/rtems/score/profiling.h: include/rtems/score/profiling.h $(PR
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/profiling.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/profiling.h
$(PROJECT_INCLUDE)/rtems/score/processormask.h: include/rtems/score/processormask.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/processormask.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/processormask.h
$(PROJECT_INCLUDE)/rtems/score/rbtree.h: include/rtems/score/rbtree.h $(PROJECT_INCLUDE)/rtems/score/$(dirstamp)
$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/rtems/score/rbtree.h
PREINSTALL_FILES += $(PROJECT_INCLUDE)/rtems/score/rbtree.h