arm_hal_random.c

00001 // ----------------------------------------------------------------------------
00002 // Copyright 2015-2017 ARM Ltd.
00003 //
00004 // SPDX-License-Identifier: Apache-2.0
00005 //
00006 // Licensed under the Apache License, Version 2.0 (the "License");
00007 // you may not use this file except in compliance with the License.
00008 // You may obtain a copy of the License at
00009 //
00010 //     http://www.apache.org/licenses/LICENSE-2.0
00011 //
00012 // Unless required by applicable law or agreed to in writing, software
00013 // distributed under the License is distributed on an "AS IS" BASIS,
00014 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00015 // See the License for the specific language governing permissions and
00016 // limitations under the License.
00017 // ----------------------------------------------------------------------------
00018 
00019 #include <assert.h>
00020 #include "ns_types.h"
00021 #include "platform/arm_hal_random.h"
00022 #include "pal.h"
00023 
00024 void arm_random_module_init(void)
00025 {
00026     palStatus_t status = pal_init();
00027     assert(status == PAL_SUCCESS);
00028 }
00029 
00030 uint32_t arm_random_seed_get(void)
00031 {
00032     uint32_t result = 0;
00033     palStatus_t status = pal_osRandom32bit(&result);
00034     assert(status == PAL_SUCCESS);
00035     return result;
00036 }