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File indexing completed on 2025-05-11 08:24:08

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002 
0003 /*
0004  *  RTEMS SMP Support for Single Core
0005  *
0006  *  COPYRIGHT (c) 1989-2011.
0007  *  On-Line Applications Research Corporation (OAR).
0008  *
0009  * Redistribution and use in source and binary forms, with or without
0010  * modification, are permitted provided that the following conditions
0011  * are met:
0012  * 1. Redistributions of source code must retain the above copyright
0013  *    notice, this list of conditions and the following disclaimer.
0014  * 2. Redistributions in binary form must reproduce the above copyright
0015  *    notice, this list of conditions and the following disclaimer in the
0016  *    documentation and/or other materials provided with the distribution.
0017  *
0018  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0019  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0020  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0021  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0022  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0023  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0024  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0025  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0026  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0027  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0028  * POSSIBILITY OF SUCH DAMAGE.
0029  */
0030 
0031 #include <rtems/score/cpu.h>
0032 
0033 uint32_t _CPU_SMP_Initialize( void )
0034 {
0035   /* return the number of CPUs */
0036   return 1;
0037 }
0038 
0039 bool _CPU_SMP_Start_processor( uint32_t cpu_index )
0040 {
0041   return true;
0042 }
0043 
0044 void _CPU_SMP_Finalize_initialization( uint32_t cpu_count )
0045 {
0046 }
0047 
0048 void _CPU_SMP_Prepare_start_multitasking( void )
0049 {
0050 }
0051 
0052 void _CPU_SMP_Send_interrupt( uint32_t target_processor_index )
0053 {
0054 }