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66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
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* Copyright (c) 2015 embedded brains GmbH
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LINUX_PERCPU_H
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#define _LINUX_PERCPU_H
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#include <linux/cpumask.h>
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#include <linux/threads.h>
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#include <rtems/score/threaddispatch.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define DEFINE_PER_CPU(_type, _designator) \
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_type _designator[NR_CPUS]
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#define per_cpu(_designator, _cpu) \
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(_designator[_cpu])
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#define this_cpu_ptr(_designator) \
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(&_designator[_CPU_SMP_Get_current_processor()])
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#define get_cpu_var(_designator) \
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(*({ Per_CPU_Control *_cpu_self = _Thread_Dispatch_disable(); \
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&_designator[_Per_CPU_Get_index(_cpu_self)]; }))
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#define put_cpu_var(_designator) \
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_Thread_Dispatch_enable(_Per_CPU_Get())
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#define per_cpu_ptr(_ptr, _index) \
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((_ptr) + (_index))
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#define raw_cpu_ptr(_ptr) \
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per_cpu_ptr(_ptr, _CPU_SMP_Get_current_processor())
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* _LINUX_PERCPU_H */
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