diff options
Diffstat (limited to 'cpukit/score/src/percpuasm.c')
-rw-r--r-- | cpukit/score/src/percpuasm.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/cpukit/score/src/percpuasm.c b/cpukit/score/src/percpuasm.c index 8414d3a7b4..01ad50a352 100644 --- a/cpukit/score/src/percpuasm.c +++ b/cpukit/score/src/percpuasm.c @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -8,17 +10,28 @@ */ /* - * Copyright (c) 2012, 2016 embedded brains GmbH. All rights reserved. + * Copyright (C) 2012, 2016 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 @@ -31,7 +44,7 @@ #include <rtems/score/percpu.h> #define PER_CPU_IS_POWER_OF_TWO( value ) \ - ( ( ( ( value ) - 1 ) & ( value ) ) == 0 ) + ( ( value ) > 1 && ( ( ( value ) - 1 ) & ( value ) ) == 0 ) /* * The minimum alignment of two is due to the Heap Handler which uses the @@ -60,6 +73,11 @@ RTEMS_STATIC_ASSERT( ); RTEMS_STATIC_ASSERT( + PER_CPU_IS_POWER_OF_TWO( CPU_STACK_MINIMUM_SIZE ), + CPU_STACK_MINIMUM_SIZE +); + +RTEMS_STATIC_ASSERT( sizeof(void *) == CPU_SIZEOF_POINTER, CPU_SIZEOF_POINTER ); |