对于主板架构中PCI总线的访问，只要知道该pci的Bus、device、function就行了-For the motherboard architecture PCI bus access, as long as we know the pci Bus, device, function on the line

vxworks一些程序 Char.c和Char.h是字符型设备驱动模板 Blk.c是块设备驱动模板 PCI.c是PCI设备映射内存空间模板-vxworks some programs Char.c and Char.ch is a character device driver template Blk.c is a block device driver template PCI.c are PCI devices mapped memory space templat