forked from Imagelibrary/rtems
62 lines
2.2 KiB
C
62 lines
2.2 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSScorePerCPU
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*
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* @brief This source file contains the uniprocessor definition of
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* ::_Per_CPU_Information and some static assertions.
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*/
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/*
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* COPYRIGHT (c) 1989-2011.
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* On-Line Applications Research Corporation (OAR).
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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 "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/score/percpu.h>
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RTEMS_STATIC_ASSERT(
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sizeof( CPU_Uint32ptr ) >= sizeof( uintptr_t ),
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CPU_Uint32ptr_greater_equal_uintptr_t
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);
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RTEMS_STATIC_ASSERT(
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sizeof( CPU_Uint32ptr ) >= sizeof( uint32_t ),
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CPU_Uint32ptr_greater_equal_uint32_t
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);
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#if !defined(RTEMS_SMP)
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/*
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* On single core systems, we can efficiently directly access a single
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* statically allocated per cpu structure. And the fields are initialized
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* as individual elements just like it has always been done.
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*/
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Per_CPU_Control_envelope _Per_CPU_Information[1];
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#endif
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