mirror of
https://git.rtems.org/rtems-libbsd/
synced 2025-05-14 07:19:36 +08:00
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2015 embedded brains GmbH
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _LINUX_PERCPU_H
|
|
#define _LINUX_PERCPU_H
|
|
|
|
#include <linux/cpumask.h>
|
|
#include <linux/threads.h>
|
|
|
|
#include <rtems/score/smp.h>
|
|
#include <rtems/score/threaddispatch.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
#define DEFINE_PER_CPU(_type, _designator) \
|
|
_type _designator[NR_CPUS]
|
|
|
|
#define per_cpu(_designator, _cpu) \
|
|
(_designator[_cpu])
|
|
|
|
#define this_cpu_ptr(_designator) \
|
|
(&_designator[_SMP_Get_current_processor()])
|
|
|
|
#define get_cpu_var(_designator) \
|
|
(*({ Per_CPU_Control *_cpu_self = _Thread_Dispatch_disable(); \
|
|
&_designator[_Per_CPU_Get_index(_cpu_self)]; }))
|
|
|
|
#define put_cpu_var(_designator) \
|
|
_Thread_Dispatch_enable(_Per_CPU_Get())
|
|
|
|
#define per_cpu_ptr(_ptr, _index) \
|
|
((_ptr) + (_index))
|
|
|
|
#define raw_cpu_ptr(_ptr) \
|
|
per_cpu_ptr(_ptr, _SMP_Get_current_processor())
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* _LINUX_PERCPU_H */
|