/* | |
* FreeRTOS Kernel V10.3.0 | |
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining a copy of | |
* this software and associated documentation files (the "Software"), to deal in | |
* the Software without restriction, including without limitation the rights to | |
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | |
* the Software, and to permit persons to whom the Software is furnished to do so, | |
* subject to the following conditions: | |
* | |
* The above copyright notice and this permission notice shall be included in all | |
* copies or substantial portions of the Software. | |
* | |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | |
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | |
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
* | |
* http://www.FreeRTOS.org | |
* http://aws.amazon.com/freertos | |
* | |
* 1 tab == 4 spaces! | |
*/ | |
#include <arm_cmse.h> | |
#include "nsc_functions.h" | |
#include "secure_port_macros.h" | |
/** | |
* @brief Counter returned from NSCFunction. | |
*/ | |
static uint32_t ulSecureCounter = 0; | |
/** | |
* @brief typedef for non-secure callback. | |
*/ | |
typedef void ( *NonSecureCallback_t ) ( void ) __attribute__( ( cmse_nonsecure_call ) ); | |
/*-----------------------------------------------------------*/ | |
secureportNON_SECURE_CALLABLE uint32_t NSCFunction( Callback_t pxCallback ) | |
{ | |
NonSecureCallback_t pxNonSecureCallback; | |
/* Return function pointer with cleared LSB. */ | |
pxNonSecureCallback = ( NonSecureCallback_t ) cmse_nsfptr_create( pxCallback ); | |
/* Invoke the supplied callback. */ | |
pxNonSecureCallback(); | |
/* Increment the secure side counter. */ | |
ulSecureCounter += 1; | |
/* Return the secure side counter. */ | |
return ulSecureCounter; | |
} | |
/*-----------------------------------------------------------*/ |