64 lines
1.4 KiB
C
64 lines
1.4 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2020, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2020-05-31 yaxing.chen the first version
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <board.h>
|
||
|
|
|
||
|
|
static void rtthread_startup(void)
|
||
|
|
{
|
||
|
|
extern int main(void);
|
||
|
|
extern int $Super$$main(void);
|
||
|
|
extern void clk_init(char *clk_source, int source_freq, int target_freq);
|
||
|
|
extern int uart_init();
|
||
|
|
|
||
|
|
clk_init(BSP_CLOCK_SOURCE, BSP_CLOCK_SOURCE_FREQ_MHZ, BSP_CLOCK_SYSTEM_FREQ_MHZ);
|
||
|
|
uart_init();
|
||
|
|
|
||
|
|
setbuf(stdout, NULL);
|
||
|
|
|
||
|
|
/* invoke system main function */
|
||
|
|
#if defined(__CC_ARM) || defined(__CLANG_ARM)
|
||
|
|
$Super$$main(); /* for ARMCC. */
|
||
|
|
#elif defined(__ICCARM__) || defined(__GNUC__)
|
||
|
|
main();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
while(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(__CC_ARM) || defined(__CLANG_ARM)
|
||
|
|
extern int $Super$$main(void);
|
||
|
|
/* re-define main function */
|
||
|
|
int $Sub$$main(void)
|
||
|
|
{
|
||
|
|
rtthread_startup();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#elif defined(__ICCARM__)
|
||
|
|
extern int main(void);
|
||
|
|
/* __low_level_init will auto called by IAR cstartup */
|
||
|
|
extern void __iar_data_init3(void);
|
||
|
|
int __low_level_init(void)
|
||
|
|
{
|
||
|
|
// call IAR table copy function.
|
||
|
|
__iar_data_init3();
|
||
|
|
rtthread_startup();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#elif defined(__GNUC__)
|
||
|
|
/* Add -eentry to arm-none-eabi-gcc argument */
|
||
|
|
int entry(void)
|
||
|
|
{
|
||
|
|
rtthread_startup();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|