145 lines
4.5 KiB
C
145 lines
4.5 KiB
C
/*!
|
|
\file main.c
|
|
\brief led spark with systick, secure code with TZEN = 1
|
|
|
|
\version 2021-10-30, V1.0.0, firmware for GD32W51x
|
|
*/
|
|
|
|
/*
|
|
Copyright (c) 2021, GigaDevice Semiconductor Inc.
|
|
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
3. Neither the name of the copyright holder nor the names of its contributors
|
|
may be used to endorse or promote products derived from this software without
|
|
specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
|
|
OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "gd32w51x.h"
|
|
#include "systick.h"
|
|
#include "gd32w515p_eval.h"
|
|
#include "main.h"
|
|
|
|
#define TZBMPC1_BLOCK_NUMBER 255 /* TZBMPC1 block number */
|
|
|
|
#define NONSECURE_START ((uint32_t)0x08040000U) /* nonsecure start address */
|
|
|
|
/* callback function */
|
|
ns_fptr nonsecure_func = (ns_fptr)NULL;
|
|
|
|
void tzbmpc_config();
|
|
void nonsecure_init();
|
|
CMSE_NS_ENTRY void entry_cb_func_register(void *callback);
|
|
CMSE_NS_ENTRY void secure_led_spark(void);
|
|
|
|
/*!
|
|
\brief main function
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
int main(void)
|
|
{
|
|
/* enable icache */
|
|
icache_enable();
|
|
/* enable SecureFault handler */
|
|
SCB->SHCSR |= SCB_SHCSR_SECUREFAULTENA_Msk;
|
|
|
|
/* configure TZBMPC */
|
|
tzbmpc_config();
|
|
|
|
/* configure systick */
|
|
systick_config();
|
|
/* initilize the LED1 */
|
|
gd_eval_led_init(LED1);
|
|
|
|
/* initilize the TAMPER_WAKEUP key */
|
|
gd_eval_key_init(KEY_TAMPER_WAKEUP,KEY_MODE_EXTI);
|
|
/* configure the LED2 pin to non-secure */
|
|
gpio_bit_reset_sec_cfg(LED2_GPIO_PORT, LED2_PIN);
|
|
|
|
/* setup and jump to non-secure */
|
|
nonsecure_init();
|
|
|
|
while(1){
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief configure tzbmpc
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void tzbmpc_config(void)
|
|
{
|
|
uint16_t block_number = 0U;
|
|
/* enable TZPCU clock */
|
|
rcu_periph_clock_enable(RCU_TZPCU);
|
|
|
|
/* SRAM1 is used to nonsecure code, so all blocks of SRAM1 should set to nonsecure */
|
|
for(block_number = 0U; block_number <= TZBMPC1_BLOCK_NUMBER; block_number++){
|
|
tzpcu_tzbmpc_block_secure_access_mode_config(TZBMPC1, block_number, BLOCK_SECURE_ACCESS_MODE_NSEC);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief configure and jump to non-secure
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
void nonsecure_init()
|
|
{
|
|
uint32_t nonsecure_stackpointer = (*((uint32_t *)(NONSECURE_START)));
|
|
ns_fptr nonsecure_reset_handler = (ns_fptr)(*((uint32_t *)(NONSECURE_START + 4U)));
|
|
/* set non-secure vector table location */
|
|
SCB_NS->VTOR = NONSECURE_START;
|
|
/* set non-secure stack pointer */
|
|
__TZ_set_MSP_NS(nonsecure_stackpointer);
|
|
/* start non-secure application */
|
|
nonsecure_reset_handler();
|
|
}
|
|
|
|
/*!
|
|
\brief register nonscure callback function
|
|
\param[in] callback : nonsecure function pointer
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
CMSE_NS_ENTRY void entry_cb_func_register(void *callback)
|
|
{
|
|
if(callback != NULL){
|
|
nonsecure_func = (ns_fptr)cmse_nsfptr_create(callback);
|
|
}
|
|
}
|
|
|
|
/*!
|
|
\brief toggle the led every 1000ms in secure world
|
|
\param[in] none
|
|
\param[out] none
|
|
\retval none
|
|
*/
|
|
CMSE_NS_ENTRY void secure_led_spark(void)
|
|
{
|
|
gd_eval_led_toggle(LED1);
|
|
delay_1ms(1000);
|
|
}
|