rem: if(EXI_Lock(EXI_CHANNEL_0,EXI_DEVICE_2,NULL)==0) return 0;
add: _CPU_ISR_Disable(level); if(EXI_Lock(EXI_CHANNEL_0,EXI_DEVICE_2,NULL)==0) { _CPU_ISR_Restore(level); return 0; } _CPU_ISR_Restore(level);
context: static u32 __bba_getlink_state_async(){	u32 ret;	if(EXI_Lock(EXI_CHANNEL_0,EXI_DEVICE_2,NULL)==0) return 0;	ret = __linkstate();	EXI_Unlock(EXI_CHANNEL_0);	return ret;}