1. 淽һհNios II.
2. ӱĿ¼Դͷļ,RT-Threadں˼Nios II CPUҪļ.
rt-thread
   
   include
         rtdef.h
         rthw.h
         rtm.h
         rtthread.h
   
   libcpu
     nios
         nios_ii
                 context_gcc.S
                 interrupt.c
                 stack.c
                 vector.S
   
   src
           clock.c
           device.c
           idle.c
           ipc.c
           irq.c
           kservice.c
           kservice.h
           mem.c
           mempool.c
           module.c
           module.h
           object.c
           rtm.c
           scheduler.c
           SConscript
           slab.c
           thread.c
           timer.c
3. ͷļ·
4. Ҫ޸rtconfig.h (ĬΪں)
