118 lines
2.1 KiB
C
118 lines
2.1 KiB
C
/*
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* File : startup.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006, RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://openlab.rt-thread.com/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2006-09-23 Bernard first version
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* 2006-10-05 Bernard add .nobbs attribute for _svc_stack_start
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*/
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#include <rtthread.h>
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#include <rthw.h>
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#include <s3c44b0.h>
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#include <board.h>
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extern void rt_hw_interrupt_init(void);
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extern void rt_serial_init(void);
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extern void rt_hw_cpu_icache_enable(void);
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/**
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* @addtogroup wh44b0
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*/
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/*@{*/
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#ifdef __CC_ARM
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extern int Image$$RW_RAM1$$ZI$$Limit;
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#else
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extern int __bss_end;
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#endif
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#ifdef RT_USING_FINSH
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extern int finsh_system_init(void);
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#endif
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extern int rt_application_init(void);
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/**
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* This function will startup RT-Thread RTOS.
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*/
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void rtthread_startup(void)
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{
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/* enable cpu cache */
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rt_hw_cpu_icache_enable();
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/* init hardware interrupt */
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rt_hw_interrupt_init();
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/* init board */
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rt_hw_board_init();
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/* init hardware serial */
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rt_serial_init();
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rt_show_version();
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/* init tick */
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rt_system_tick_init();
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/* init kernel object */
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rt_system_object_init();
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/* init timer system */
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rt_system_timer_init();
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/* init memory system */
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#ifdef RT_USING_HEAP
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#ifdef __CC_ARM
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rt_system_heap_init((void*)&Image$$RW_RAM1$$ZI$$Limit, (void*)0xD000000);
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#else
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rt_system_heap_init((void*)&__bss_end, (void*)0xD000000);
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#endif
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#endif
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/* init scheduler system */
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rt_system_scheduler_init();
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#ifdef RT_USING_HOOK
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/* set idle thread hook */
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rt_thread_idle_sethook(rt_hw_led_flash);
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#endif
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/* init application */
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rt_application_init();
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#ifdef RT_USING_FINSH
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/* init the finsh input */
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rt_hw_finsh_init();
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/* init finsh */
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finsh_system_init();
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#endif
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/* init idle thread */
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rt_thread_idle_init();
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/* unmask interrupt */
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rt_hw_interrupt_umask(INT_GLOBAL);
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/* start scheduler */
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rt_system_scheduler_start();
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/* never reach here */
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return ;
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}
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int main(void)
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{
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/* invoke rtthread startup */
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rtthread_startup();
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}
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/*@}*/
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