/* SPDX-License-Identifier: BSD-2-Clause */ /** * @file * * @ingroup RTEMSScorePerCPU * * @brief This source file contains the uniprocessor definition of * ::_Per_CPU_Information and some static assertions. */ /* * COPYRIGHT (c) 1989-2011. * On-Line Applications Research Corporation (OAR). * * 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. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include RTEMS_STATIC_ASSERT( sizeof( CPU_Uint32ptr ) >= sizeof( uintptr_t ), CPU_Uint32ptr_greater_equal_uintptr_t ); RTEMS_STATIC_ASSERT( sizeof( CPU_Uint32ptr ) >= sizeof( uint32_t ), CPU_Uint32ptr_greater_equal_uint32_t ); #if !defined(RTEMS_SMP) /* * On single core systems, we can efficiently directly access a single * statically allocated per cpu structure. And the fields are initialized * as individual elements just like it has always been done. */ Per_CPU_Control_envelope _Per_CPU_Information[1]; #endif