2 * FreeRTOS Kernel V10.2.0
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3 * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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28 #include <arm_cmse.h>
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29 #include "nsc_functions.h"
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30 #include "secure_port_macros.h"
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33 * @brief Counter returned from NSCFunction.
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35 static uint32_t ulSecureCounter = 0;
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38 * @brief typedef for non-secure callback.
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40 typedef void ( *NonSecureCallback_t ) ( void ) __attribute__( ( cmse_nonsecure_call ) );
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41 /*-----------------------------------------------------------*/
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43 secureportNON_SECURE_CALLABLE uint32_t NSCFunction( Callback_t pxCallback )
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45 NonSecureCallback_t pxNonSecureCallback;
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47 /* Return function pointer with cleared LSB. */
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48 pxNonSecureCallback = ( NonSecureCallback_t ) cmse_nsfptr_create( pxCallback );
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50 /* Invoke the supplied callback. */
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51 pxNonSecureCallback();
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53 /* Increment the secure side counter. */
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54 ulSecureCounter += 1;
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56 /* Return the secure side counter. */
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57 return ulSecureCounter;
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59 /*-----------------------------------------------------------*/
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