/* * 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 * 2006-02-26     Bernard      first implementation * 2006-05-05     Bernard      add two test thread * 2006-08-10     Bernard      use rt_show_version to display version information * 2008-07-14     Bernard      modify the heap memory init parameter */#include <rtthread.h>#include <rthw.h>#include <s3c2410.h>rt_uint8_t _irq_stack_start[1024];rt_uint8_t _fiq_stack_start[1024];rt_uint8_t _undefined_stack_start[512];rt_uint8_t _abort_stack_start[512];rt_uint8_t _svc_stack_start[1024] SECTION(".nobss");extern void rt_hw_interrupt_init(void);extern void rt_hw_board_init(void);extern void rt_serial_init(void);extern void rt_system_timer_init(void);extern void rt_system_scheduler_init(void);extern void rt_thread_idle_init(void);extern void rt_hw_cpu_icache_enable(void);extern void rt_show_version(void);extern void rt_system_heap_init(void*, void*);extern void rt_hw_finsh_init(void);extern int rtl8019_device_register(char*);/** * @addtogroup s3ceb2410 *//*@{*/#ifdef __CC_ARM	extern rt_uint8_t* __bss_start;	extern rt_uint8_t* __bss_end;#else	extern rt_uint8_t __bss_start;	extern rt_uint8_t __bss_end;#endif/* * 4 LEDs on S3CEB2410 : GPF4~GPF7 */void led_set(rt_uint32_t led){	GPFDAT = led;}/* led loop */void led_flash(void){	rt_uint32_t i;	/* change the pin mux to enable the LED output */	GPFCON = 0x5500;	led_set(1 << 4);	for ( i = 0; i < 2000000; i++);	led_set(1 << 5);	for ( i = 0; i < 2000000; i++);	led_set(1 << 6);	for ( i = 0; i < 2000000; i++);	led_set(1 << 17);	for ( i = 0; i < 2000000; i++);}#ifdef RT_USING_FINSHextern void finsh_system_init(void);#endifextern rt_uint32_t  rt_application_init(void);/** * This function will startup RT-Thread RTOS. */void rtthread_startup(void){	/* enable cpu cache */	rt_hw_cpu_icache_enable();	rt_hw_cpu_dcache_enable();	/* init hardware interrupt */	rt_hw_interrupt_init();	/* init board */	rt_hw_board_init();	/* init hardware serial */	rt_serial_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 heap memory system */#ifdef __CC_ARM	rt_system_heap_init((void*)__bss_end, (void*)0x34000000);#else	rt_system_heap_init(&__bss_end, (void*)0x34000000);#endif	/* init scheduler system */	rt_system_scheduler_init();	/* set idle thread hook */	rt_thread_idle_sethook(led_flash);#ifdef RT_USING_DEVICE	/*init device system*/	rt_system_device_init();#ifdef RT_USING_LWIP	/* init ethernet task */	eth_system_device_init();	/* init rtl8019 device */	rtl8019_device_register("E0");#endif	/*init all registed devices*/	rt_device_init_all();#endif	/* init application */	rt_application_init();#ifdef RT_USING_FINSH	/* init finsh */	rt_hw_finsh_init();	/* init finsh */	finsh_system_init();#endif	/* init idle thread */	rt_thread_idle_init();	/* start scheduler */	rt_system_scheduler_start();	/* never reach here */	return ;}/*@}*/