/* * 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 * 2006-10-05     Bernard      add _svc_stack_start for SVC32 stack */#include <rtthread.h>#include <rthw.h>#include <s3c4510.h>#include <board.h>char _undefined_stack_start[128];char _abort_stack_start[128];char _irq_stack_start[1024];char _fiq_stack_start[1024];char _svc_stack_start[4096];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_system_heap_init(void* begin_addr, void* end_addr);extern void rt_thread_idle_init(void);extern void rt_hw_cpu_icache_enable(void);
extern void rt_show_version(void);/** * @addtogroup lumit4510 */
/*@{*/#ifdef __CC_ARMextern unsigned char* __bss_start;extern unsigned char* __bss_end;#elseextern unsigned char __bss_start;extern unsigned char __bss_end;#endif#ifdef RT_USING_FINSHextern void finsh_system_init(void);#endifextern int  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 memory system */#ifdef RT_USING_HEAP#ifdef __CC_ARM
	rt_system_heap_init((void*)__bss_end, 0x1000000);#else
	rt_system_heap_init((void*)&__bss_end, (void*)0x1000000);#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();	/* init finsh */#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 global interrupt */	rt_hw_interrupt_umask(INTGLOBAL);	/* start scheduler */	rt_system_scheduler_start();	/* never reach here */	return ;}/*@}*/