diff options
Diffstat (limited to 'cpukit/score/cpu/no_cpu/cpuidle.c')
| -rw-r--r-- | cpukit/score/cpu/no_cpu/cpuidle.c | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/cpukit/score/cpu/no_cpu/cpuidle.c b/cpukit/score/cpu/no_cpu/cpuidle.c index de66b39faa..dbaf109905 100644 --- a/cpukit/score/cpu/no_cpu/cpuidle.c +++ b/cpukit/score/cpu/no_cpu/cpuidle.c @@ -1,15 +1,37 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup RTEMSScoreCPU + * + * @brief This source file contains the implementation of the + * _CPU_Thread_Idle_body(). + */ + /* - * Copyright (c) 2013-2014 embedded brains GmbH. All rights reserved. + * Copyright (C) 2013, 2014 embedded brains GmbH & Co. KG * - * embedded brains GmbH - * Dornierstr. 4 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> + * 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. * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * 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 @@ -20,6 +42,13 @@ void *_CPU_Thread_Idle_body( uintptr_t ignored ) { + /* + * This is a workaround for: + * + * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108658 + */ + __asm__ volatile (""); + while ( true ) { /* Do nothing */ } |