rt-thread/bsp/mini4020/startup.c

#include <rthw.h>
#include <rtthread.h>

#include <sep4020.h>
#include <board.h>
#include <serial.h>
#ifdef RT_USING_FINSH
#include <finsh.h>
#endif

#ifdef RT_USING_LWIP
#include <lwip/sys.h>
#include <netif/ethernetif.h>
#endif

#define SDRAM_BASE	0x30000000

#ifdef __CC_ARM
extern int Image$$RW_RAM1$$ZI$$Limit;
#elif (defined (__GNUC__))
	extern unsigned char __bss_end;
#endif

extern void rt_application_init(void);
extern void finsh_system_init(void);
extern void sd_init(void);

void rtthread_startup()
{
	/* init hardware interrupt */
	rt_hw_interrupt_init();

	/* init board */
	rt_hw_board_init();

	/* show version */
	rt_show_version();
		
	/* init tick */
	rt_system_tick_init();

	/* init kernel object */
	rt_system_object_init();

	/* init timer system */
	rt_system_timer_init();

	/* init heap memory system */
#ifdef __CC_ARM
	rt_system_heap_init((void*)&Image$$RW_RAM1$$ZI$$Limit, (void*)(SDRAM_BASE + 0x200000));
#else
	rt_system_heap_init(&__bss_end, (void*)0x34000000);
#endif


	/* init scheduler system */
	rt_system_scheduler_init();

#ifdef RT_USING_DEVICE

#ifdef RT_USING_DFS
	rt_hw_sdcard_init();
#endif

#ifdef RT_USING_LWIP
	eth_system_device_init();
	rt_hw_dm9161_init();
#endif
	
	/*init all registed devices */
	rt_device_init_all();
#endif

	/* init application */
	rt_application_init();

#ifdef RT_USING_FINSH
	/* init finsh */
	finsh_system_init();
#ifdef RT_USING_DEVICE
	finsh_set_device("uart0");
#endif
#endif

	/* init idle thread */
	rt_thread_idle_init();

	/* start scheduler */
	rt_system_scheduler_start();

	/* never reach here */
	return ;
	
}

int main()
{
	rt_uint32_t UNUSED level;

	/* disable interrupt first */
	level = rt_hw_interrupt_disable();

	/* startup RT-Thread RTOS */
	rtthread_startup();

	return 0;
}