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/*
* 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!
*/
/* Use CMSE intrinsics */
#include <arm_cmse.h>
#include "RTE_Components.h"
#include CMSIS_device_header
/* FreeRTOS includes. */
#include "secure_port_macros.h"
/* Start address of non-secure application. */
#define mainNONSECURE_APP_START_ADDRESS ( 0x200000U )
/* typedef for non-secure Reset Handler. */
typedef void ( *NonSecureResetHandler_t ) ( void ) __attribute__( ( cmse_nonsecure_call ) );
/*-----------------------------------------------------------*/
/* Boot into the non-secure code. */
void BootNonSecure( uint32_t ulNonSecureStartAddress );
/*-----------------------------------------------------------*/
/*
* Instructions to Build and Run:
* - The Keil multi-project workspace FreeRTOSDemo.uvmpw contains projects for
* both the secure project, and non secure project.
* - Set the FreeRTOSDemo_s project as Active - Right click on
* "Project: FreeRTOSDemo_s" and select "Set as Active Project".
* - Build the FreeRTOSDemo_s project using "Project --> Build" or by pressing
* "F7".
* - Set the FreeRTOSDemo_ns project as Active - Right click on
* "Project: FreeRTOSDemo_ns" and select "Set as Active Project".
* - Build the FreeRTOSDemo_ns project using "Project --> Build" or by
* pressing "F7".
* - Start Debug Session using "Debug -> Start/Stop Debug Session" or by
* pressing "Ctrl+F5".
*/
/* Secure main() */
int main( void )
{
/* Boot the non-secure code. */
BootNonSecure( mainNONSECURE_APP_START_ADDRESS );
/* Non-secure software does not return, this code is not executed. */
for( ; ; )
{
/* Should not reach here. */
}
}
/*-----------------------------------------------------------*/
void BootNonSecure( uint32_t ulNonSecureStartAddress )
{
NonSecureResetHandler_t pxNonSecureResetHandler;
/* Main Stack Pointer value for the non-secure side is the first entry in
* the non-secure vector table. Read the first entry and assign the same to
* the non-secure main stack pointer(MSP_NS). */
secureportSET_MSP_NS( *( ( uint32_t * )( ulNonSecureStartAddress ) ) );
/* Non secure Reset Handler is the second entry in the non-secure vector
* table. Read the non-secure reset handler.
*/
pxNonSecureResetHandler = ( NonSecureResetHandler_t )( * ( ( uint32_t * ) ( ( ulNonSecureStartAddress ) + 4U ) ) );
/* Start non-secure software application by jumping to the non-secure Reset
* Handler. */
pxNonSecureResetHandler();
}
/*-----------------------------------------------------------*/
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