diff options
author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2020-02-04 13:56:41 +0100 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2020-02-06 15:19:35 +0100 |
commit | 8ecbc3826edfbfebabf5b9b75243df8b04421073 (patch) | |
tree | c2d172bad057023e18b2d53ded98eef69593e145 /cpukit/score/src/memoryzerobeforeuse.c | |
parent | 1d43a976a83f1b815ec07ce00e3db31fbd36aac4 (diff) |
sysinit: Add RTEMS_SYSINIT_ZERO_MEMORY
Use a dedicate system initialization step to zero the memory used for
the workspace and C program heap.
This avoids dead code in case CONFIGURE_ZERO_WORKSPACE_AUTOMATICALLY is
not configured.
Diffstat (limited to 'cpukit/score/src/memoryzerobeforeuse.c')
-rw-r--r-- | cpukit/score/src/memoryzerobeforeuse.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/cpukit/score/src/memoryzerobeforeuse.c b/cpukit/score/src/memoryzerobeforeuse.c new file mode 100644 index 0000000000..dd08199223 --- /dev/null +++ b/cpukit/score/src/memoryzerobeforeuse.c @@ -0,0 +1,34 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (C) 2020 embedded brains GmbH + * + * 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. + */ + +#if HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems/score/memory.h> + +const bool _Memory_Zero_before_use; |