142 lines
3.3 KiB
C
142 lines
3.3 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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2011-01-13 weety first version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <at91sam926x.h>
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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#endif
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extern void rt_hw_interrupt_init(void);
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extern void rt_hw_board_init(void);
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extern void rt_system_timer_init(void);
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extern void rt_system_scheduler_init(void);
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extern void rt_thread_idle_init(void);
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extern void mmu_invalidate_icache();
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extern void rt_hw_cpu_icache_enable(void);
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extern void rt_show_version(void);
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extern void rt_system_heap_init(void*, void*);
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extern void rt_hw_finsh_init(void);
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extern void rt_application_init(void);
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/**
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* @addtogroup at91sam9260
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*/
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/*@{*/
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#if defined(__CC_ARM)
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extern int Image$$ER_ZI$$ZI$$Limit;
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#elif (defined (__GNUC__))
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extern unsigned char __bss_end__;
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#elif (defined (__ICCARM__))
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#pragma section="HEAP"
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#endif
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#ifdef RT_USING_FINSH
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extern void finsh_system_init(void);
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#endif
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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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/* disable interrupt first */
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rt_hw_interrupt_disable();
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/* enable cpu cache */
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rt_hw_cpu_icache_disable();
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mmu_invalidate_icache();
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rt_hw_cpu_icache_enable();
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/* initialize hardware interrupt */
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rt_hw_interrupt_init();
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/* initialize board */
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rt_hw_board_init();
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/* show version */
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rt_show_version();
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/* initialize tick */
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rt_system_tick_init();
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/* initialize kernel object */
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rt_system_object_init();
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/* initialize timer system */
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rt_system_timer_init();
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/* initialize heap memory system */
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#ifdef __CC_ARM
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rt_system_heap_init((void*)&Image$$ER_ZI$$ZI$$Limit, (void*)0x24000000);
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#elif (defined (__GNUC__))
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rt_system_heap_init((void*)&__bss_end__, (void*)0x23f00000);
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#elif (defined (__ICCARM__))
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rt_system_heap_init(__section_begin("HEAP"),(void*)0x23f00000);
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#endif
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#ifdef RT_USING_MODULE
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/* initialize module system*/
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rt_system_module_init();
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#endif
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/* initialize scheduler system */
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rt_system_scheduler_init();
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/* initialize application */
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rt_application_init();
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#ifdef RT_USING_FINSH
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/* initialize finsh */
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finsh_system_init();
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#ifdef RT_USING_DEVICE
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finsh_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif
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#endif
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/* initialize system timer thread */
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rt_system_timer_thread_init();
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/* initialize idle thread */
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rt_thread_idle_init();
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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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/* startup RT-Thread RTOS */
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rtthread_startup();
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return 0;
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}
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/*@}*/
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