| /****************************************************************************** |
| * @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(); |
| } |
| } |