/******************************************************************************
* @file     main_s.c
* @brief    Code template for secure main function
* @version  V1.1.1
* @date     10. January 2018
******************************************************************************/
/*
 * Copyright (c) 2013-2018 Arm Limited. All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Licensed under the Apache License, Version 2.0 (the License); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* Use CMSE intrinsics */
#include <arm_cmse.h>

#include "RTE_Components.h"
#include CMSIS_device_header

/* TZ_START_NS: Start address of non-secure application */
#ifndef TZ_START_NS
    #define TZ_START_NS    ( 0x200000U )
#endif

/* typedef for non-secure callback functions */
typedef void ( *funcptr_void ) ( void ) __attribute__( ( cmse_nonsecure_call ) );

/* Secure main() */
int main( void )
{
    funcptr_void NonSecure_ResetHandler;

    /* Add user setup code for secure part here*/

    /* Set non-secure main stack (MSP_NS) */
    __TZ_set_MSP_NS( *( ( uint32_t * ) ( TZ_START_NS ) ) );

    /* Get non-secure reset handler */
    NonSecure_ResetHandler = ( funcptr_void ) ( *( ( uint32_t * ) ( ( TZ_START_NS ) +4U ) ) );

    /* Start non-secure state software application */
    NonSecure_ResetHandler();

    /* Non-secure software does not return, this code is not executed */
    while( 1 )
    {
        __NOP();
    }
}
