From 7480c346985e8f22c4eae602d17995dee34adad4 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Tue, 23 Feb 2021 18:53:42 +0100 Subject: bsps: Add default rtems_get_target_hash() Update #4267. --- bsps/shared/start/gettargethash-default.c | 66 +++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 bsps/shared/start/gettargethash-default.c (limited to 'bsps/shared/start') diff --git a/bsps/shared/start/gettargethash-default.c b/bsps/shared/start/gettargethash-default.c new file mode 100644 index 0000000000..1647b01a66 --- /dev/null +++ b/bsps/shared/start/gettargethash-default.c @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup RTEMSImplClassic + * + * @brief This source file contains the default implementation of + * rtems_get_target_hash(). + */ + +/* + * Copyright (C) 2021 embedded brains GmbH (http://www.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. + * + * 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. + */ + +#include +#include +#include +#include + +static Hash_Control bsp_target_hash; + +static void bsp_target_hash_initialize( void ) +{ + Hash_Context context; + uint32_t frequency; + + _Hash_Initialize( &context ); + + frequency = rtems_counter_frequency(); + _Hash_Add_data( &context, &frequency, sizeof( frequency ) ); + + _Hash_Finalize( &context, &bsp_target_hash ); +} + +const char *rtems_get_target_hash( void ) +{ + return _Hash_Get_string( &bsp_target_hash ); +} + +RTEMS_SYSINIT_ITEM( + bsp_target_hash_initialize, + RTEMS_SYSINIT_TARGET_HASH, + RTEMS_SYSINIT_ORDER_SECOND +); -- cgit v1.2.3