You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
2.0 KiB
111 lines
2.0 KiB
/*
|
|
* File : startup.c
|
|
* This file is part of RT-Thread RTOS
|
|
* COPYRIGHT (C) 2006, RT-Thread Develop Team
|
|
*
|
|
* The license and distribution terms for this file may be
|
|
* found in the file LICENSE in this distribution or at
|
|
* http://openlab.rt-thread.com/license/LICENSE
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2006-09-23 Bernard first version
|
|
* 2006-10-05 Bernard add .nobbs attribute for _svc_stack_start
|
|
*/
|
|
|
|
#include <rtthread.h>
|
|
#include <rthw.h>
|
|
|
|
#include <s3c44b0.h>
|
|
#include <board.h>
|
|
|
|
extern void rt_hw_interrupt_init(void);
|
|
extern void rt_serial_init(void);
|
|
extern void rt_hw_cpu_icache_enable(void);
|
|
|
|
/**
|
|
* @addtogroup wh44b0
|
|
*/
|
|
/*@{*/
|
|
|
|
#ifdef __CC_ARM
|
|
extern int Image$$RW_RAM1$$ZI$$Limit;
|
|
#else
|
|
extern int __bss_end;
|
|
#endif
|
|
|
|
#ifdef RT_USING_FINSH
|
|
extern int finsh_system_init(void);
|
|
#endif
|
|
extern int rt_application_init(void);
|
|
|
|
/**
|
|
* This function will startup RT-Thread RTOS.
|
|
*/
|
|
void rtthread_startup(void)
|
|
{
|
|
/* enable cpu cache */
|
|
rt_hw_cpu_icache_enable();
|
|
|
|
/* init hardware interrupt */
|
|
rt_hw_interrupt_init();
|
|
|
|
/* init board */
|
|
rt_hw_board_init();
|
|
|
|
/* init hardware serial */
|
|
rt_serial_init();
|
|
|
|
rt_show_version();
|
|
|
|
/* init timer system */
|
|
rt_system_timer_init();
|
|
|
|
/* init memory system */
|
|
#ifdef RT_USING_HEAP
|
|
#ifdef __CC_ARM
|
|
rt_system_heap_init((void*)&Image$$RW_RAM1$$ZI$$Limit, (void*)0xD000000);
|
|
#else
|
|
rt_system_heap_init((void*)&__bss_end, (void*)0xD000000);
|
|
#endif
|
|
#endif
|
|
|
|
/* init scheduler system */
|
|
rt_system_scheduler_init();
|
|
|
|
#ifdef RT_USING_HOOK
|
|
/* set idle thread hook */
|
|
rt_thread_idle_sethook(rt_hw_led_flash);
|
|
#endif
|
|
|
|
/* init application */
|
|
rt_application_init();
|
|
|
|
#ifdef RT_USING_FINSH
|
|
/* init the finsh input */
|
|
rt_hw_finsh_init();
|
|
|
|
/* init finsh */
|
|
finsh_system_init();
|
|
#endif
|
|
|
|
/* init idle thread */
|
|
rt_thread_idle_init();
|
|
|
|
/* unmask interrupt */
|
|
rt_hw_interrupt_umask(INT_GLOBAL);
|
|
|
|
/* start scheduler */
|
|
rt_system_scheduler_start();
|
|
|
|
/* never reach here */
|
|
return ;
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
/* invoke rtthread startup */
|
|
rtthread_startup();
|
|
}
|
|
|
|
/*@}*/
|
|
|