46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
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/*
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* Copyright (C) 2016 YunOS Project. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <k_api.h>
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#include <k_config.h>
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#if (RHINO_CONFIG_STACK_OVF_CHECK_HW != 0)
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void cpu_intrpt_stack_protect(void)
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{
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}
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void task_stack_crash_warning(void)
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{
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printf("****The task stack base has been broken !!!****\n");
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}
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void cpu_task_stack_protect(cpu_stack_t *base, size_t size)
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{
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uint32_t base_addr = (uint32_t)base;
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int num_return = wp_register(base_addr, AWATCH, task_stack_crash_warning);
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if (num_return == 1) {
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wp_enable(1);
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} else if (num_return == 2 || num_return == -1) {
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wp_unregister(1);
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int number_tmp = wp_register(base_addr, AWATCH, task_stack_crash_warning);
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if (number_tmp == 1){
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wp_enable(1);
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}
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}
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}
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#endif
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