rt-thread-official/bsp/dev3210/startup.c

104 lines
1.9 KiB
C

/*
* 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://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-06-25 Bernard first version
*/
#include <rthw.h>
#include <rtthread.h>
#include <cache.h>
#include "board.h"
/**
* @addtogroup Loongson SoC3210
*/
/*@{*/
extern unsigned char __bss_start;
extern unsigned char __bss_end;
extern int rt_application_init(void);
void dump_mem(const unsigned char* addr)
{
int size;
rt_kprintf("---- memory: 0x%08x ----\n", addr);
for (size = 0; size < 32 * 4; size ++)
{
rt_kprintf("%02x ", (*addr) & 0xff);
addr ++;
if ((size + 1) % 16 == 0)
rt_kprintf("\n");
}
rt_kprintf("\n");
}
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* init cache */
rt_hw_cache_init();
/* init hardware interrupt */
rt_hw_interrupt_init();
/*
dump_mem((rt_uint8_t*)0x80000000);
dump_mem((rt_uint8_t*)0x80000100);
dump_mem((rt_uint8_t*)0x80000180);
dump_mem((rt_uint8_t*)0x80000200);
*/
/* init board */
rt_hw_board_init();
rt_show_version();
/* init tick */
rt_system_tick_init();
/* init timer system */
rt_system_timer_init();
#ifdef RT_USING_HEAP
rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END);
#endif
/* init scheduler system */
rt_system_scheduler_init();
#ifdef RT_USING_DEVICE
/* init all device */
rt_device_init_all();
#endif
/* init application */
rt_application_init();
#ifdef RT_USING_FINSH
/* init finsh */
finsh_system_init();
finsh_set_device(FINSH_DEVICE_NAME);
#endif
/* init idle thread */
rt_thread_idle_init();
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return ;
}
/*@}*/