/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2006-08-31 Bernard first implementation * 2011-12-17 nl1031 for MicroBlaze */ #include #include #include "board.h" #ifdef RT_USING_FINSH #include extern int finsh_system_init(void); #endif extern void rt_hw_led_flash(void); /*@{*/ #ifdef __CC_ARM extern int Image$$RW_IRAM1$$ZI$$Limit; #endif #ifdef __GNUC__ extern unsigned char __bss_start; extern unsigned char __bss_end; #endif extern void rt_hw_interrupt_init(void); extern int rt_application_init(void); #ifdef RT_USING_DEVICE extern rt_err_t rt_hw_serial_init(void); #endif /** * This function will startup RT-Thread RTOS. */ void rtthread_startup(void) { /* init hardware interrupt */ rt_hw_interrupt_init(); /* init board */ rt_hw_board_init(); rt_show_version(); /* init timer system */ rt_system_timer_init(); #ifdef RT_USING_HEAP #ifdef __CC_ARM rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)0x204000); #elif __ICCARM__ rt_system_heap_init(__segment_end("HEAP"), (void*)0x204000); #else rt_system_heap_init((void*)&__bss_end, (void*)(&__bss_end+0x4000)); #endif #endif /* init scheduler system */ rt_system_scheduler_init(); #ifdef RT_USING_HOOK /* if the hook is used */ /* set idle thread hook */ rt_thread_idle_sethook(rt_hw_led_flash); #endif #ifdef RT_USING_DEVICE /* init hardware serial device */ rt_hw_serial_init(); #endif /* init application */ rt_application_init(); #ifdef RT_USING_FINSH /* init finsh */ finsh_system_init(); #if !defined(RT_USING_POSIX_STDIO) && defined(RT_USING_DEVICE) finsh_set_device("uart1"); #endif #endif /* init idle thread */ rt_thread_idle_init(); /* start scheduler */ rt_system_scheduler_start(); /* never reach here */ return ; } int main (void) { /* invoke rtthread_startup */ rtthread_startup(); return 0; } /*@}*/