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/*
* File : startup.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2011-01-13 weety first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <dm36x.h>
#ifdef RT_USING_FINSH
#include <finsh.h>
#endif
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 void rt_application_init(void);
/**
* @addtogroup dm365
*/
/*@{*/
#if defined(__CC_ARM)
extern int Image$$ER_ZI$$ZI$$Base;
extern int Image$$ER_ZI$$ZI$$Length;
extern int Image$$ER_ZI$$ZI$$Limit;
#elif (defined (__GNUC__))
rt_uint8_t _irq_stack_start[1024];
rt_uint8_t _fiq_stack_start[1024];
rt_uint8_t _undefined_stack_start[512];
rt_uint8_t _abort_stack_start[512];
rt_uint8_t _svc_stack_start[1024] SECTION(".nobss");
extern unsigned char __bss_start;
extern unsigned char __bss_end;
#endif
#ifdef RT_USING_FINSH
extern void finsh_system_init(void);
#endif
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* enable cpu cache */
//rt_hw_cpu_icache_enable();
//rt_hw_cpu_dcache_enable();
/* initialize hardware interrupt */
rt_hw_interrupt_init();
/* initialize board */
rt_hw_board_init();
/* show version */
rt_show_version();
/* initialize tick */
rt_system_tick_init();
/* initialize kernel object */
rt_system_object_init();
/* initialize timer system */
rt_system_timer_init();
/* initialize heap memory system */
#ifdef __CC_ARM
rt_system_heap_init((void*)&Image$$ER_ZI$$ZI$$Limit, (void*)0x88000000);
#else
rt_system_heap_init((void*)&__bss_end, (void*)0x88000000);
#endif
#ifdef RT_USING_MODULE
/* initialize module system*/
rt_system_module_init();
#endif
/* initialize scheduler system */
rt_system_scheduler_init();
/* initialize application */
rt_application_init();
#ifdef RT_USING_FINSH
/* initialize finsh */
finsh_system_init();
#ifdef RT_USING_DEVICE
finsh_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
#endif
/* initialize system timer thread */
rt_system_timer_thread_init();
/* initialize idle thread */
rt_thread_idle_init();
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return ;
}
int main(void)
{
rt_uint32_t RT_UNUSED level;
/* disable interrupt first */
level = rt_hw_interrupt_disable();
/* startup RT-Thread RTOS */
rtthread_startup();
return 0;
}
/*@}*/
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