rt-thread/bsp/qemu/startup.c

109 lines
2.0 KiB
C

/*
* 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://www.fayfayspace.org/license/LICENSE.
*
* Change Logs:
* Date Author Notes
* 2006-09-15 QiuYi the first version
* 2006-10-10 Bernard update to 0.2.2 version
*/
#include <rtthread.h>
#include <rthw.h>
#include "board.h"
extern void rt_console_init(void);
extern void rt_hw_interrupt_init(void);
extern void rt_hw_board_init(void);
extern void rt_system_timer_init(void);
extern void rt_system_scheduler_init(void);
extern void rt_thread_idle_init(void);
extern unsigned char __bss_start[];
extern unsigned char __bss_end[];
/**
* @addtogroup QEMU
*/
/*@{*/
/* clear .bss */
void rt_hw_clear_bss()
{
unsigned char *dst;
dst = __bss_start;
while(dst < __bss_end) *dst++ = 0;
}
extern void finsh_system_init(void);
extern int rt_application_init(void);
/**
* This function will startup RT-Thread RTOS
*/
void rtthread_startup()
{
/* clear .bss */
rt_hw_clear_bss();
/* init hardware interrupt */
rt_hw_interrupt_init();
/* init the console */
rt_console_init();
/* init board */
rt_hw_board_init();
rt_show_version();
/* init tick */
rt_system_tick_init();
/* init kernel object */
rt_system_object_init();
/* init timer system */
rt_system_timer_init();
/* init memory system */
#ifdef RT_USING_HEAP
//rt_system_heap_init();
#endif
/* init scheduler system */
rt_system_scheduler_init();
/* init application */
rt_application_init();
/* init the finsh input */
rt_hw_finsh_init();
/* init finsh */
finsh_system_init();
#ifdef RT_USING_HOOK
/* set idle thread hook */
rt_thread_idle_sethook(RT_NULL);
#endif
/* init idle thread */
rt_thread_idle_init();
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return ;
}
/*@}*/