debugging routine
4.This paper introduced the basic organization and principle of device driver model WDM based on Windows2000/XP,and then probed a way of working out the WDM dirver for PCI device using DDK,Such driver can access the configuration space physical memory and I/O port of PCI device and realize the interrupt service routine,and at last,selected SOFTICE for debugging tool and described the basic procedure of debugging PCI device.

