1. In VxWorks, the role of Import is the same, but the wind river has used Define.
2. When writing an urgent address of the PCI card, put the scan of the PCI device in syslib.c, and open the MMU, otherwise it may not be able to get the address.
3. When calling the library function of the system, pay attention to the relationship with each component. Some library functions should contain components to call.