2 * FreeRTOS Kernel V10.4.4
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3 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * SPDX-License-Identifier: MIT
7 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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8 * this software and associated documentation files (the "Software"), to deal in
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9 * the Software without restriction, including without limitation the rights to
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10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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11 * the Software, and to permit persons to whom the Software is furnished to do so,
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12 * subject to the following conditions:
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14 * The above copyright notice and this permission notice shall be included in all
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15 * copies or substantial portions of the Software.
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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19 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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20 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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21 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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24 * https://www.FreeRTOS.org
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25 * https://github.com/FreeRTOS
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29 #ifndef __SECURE_INIT_H__
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30 #define __SECURE_INIT_H__
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33 * @brief De-prioritizes the non-secure exceptions.
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35 * This is needed to ensure that the non-secure PendSV runs at the lowest
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36 * priority. Context switch is done in the non-secure PendSV handler.
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38 * @note This function must be called in the handler mode. It is no-op if called
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39 * in the thread mode.
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41 void SecureInit_DePrioritizeNSExceptions( void );
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44 * @brief Sets up the Floating Point Unit (FPU) for Non-Secure access.
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46 * Also sets FPCCR.TS=1 to ensure that the content of the Floating Point
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47 * Registers are not leaked to the non-secure side.
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49 * @note This function must be called in the handler mode. It is no-op if called
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50 * in the thread mode.
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52 void SecureInit_EnableNSFPUAccess( void );
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54 #endif /* __SECURE_INIT_H__ */
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