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Diffstat (limited to '')
-rw-r--r-- | cpukit/score/src/stackallocatorforidle.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/cpukit/score/src/stackallocatorforidle.c b/cpukit/score/src/stackallocatorforidle.c new file mode 100644 index 0000000000..c8c8c0b766 --- /dev/null +++ b/cpukit/score/src/stackallocatorforidle.c @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup RTEMSScoreStack + * + * @brief This source file contains the implementation of + * _Stack_Allocator_allocate_for_idle_static(). + */ + +/* + * Copyright (C) 2021 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/score/stack.h> +#include <rtems/score/assert.h> + +void *_Stack_Allocator_allocate_for_idle_static( + uint32_t cpu_index, + size_t *storage_size +) +{ + size_t size; + + size = _Stack_Allocator_allocate_for_idle_storage_size; + *storage_size = size; +#if defined(RTEMS_SMP) + return &_Stack_Allocator_allocate_for_idle_storage_areas[ cpu_index * size ]; +#else + _Assert( cpu_index == 0 ); + return &_Stack_Allocator_allocate_for_idle_storage_areas[ 0 ]; +#endif +} |