diff options
Diffstat (limited to 'Core/Template/ARMv8-M/main_s.c')
-rw-r--r-- | Core/Template/ARMv8-M/main_s.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Core/Template/ARMv8-M/main_s.c b/Core/Template/ARMv8-M/main_s.c new file mode 100644 index 0000000..273607b --- /dev/null +++ b/Core/Template/ARMv8-M/main_s.c @@ -0,0 +1,58 @@ +/****************************************************************************** + * @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(); + } +} |