显存地址映射。只要知道该类PCI设备的Vendor号，Device号和索引号myIndex，就可以查找到该类PCI设备的MEMORY地址和IO地址，以及中断级。并将第一个MEMORY地址给出它的从物理地址到虚拟地址的映射。-memory address mapping. If that such equipment Vendor PCI, Device and No. myIndex Index, it can find to such equipment PCI Memory addresse

关于编写vxorks下的PCI设备的相关代码，可以参考着改写其它的相应的PCI设备。-On the preparation of vxorks PCI devices under the relevant code, can refer to the rewritten other appropriate PCI device.

mindspeed m82710芯片的vxworks PCI驱动，用这个芯片的可以考虑参考一下，不容易找喔-mindspeed m82710 chip VxWorks PCI driver, this chip can be considered to refer to, is not easy to find.