User`s guide
10 I/O Functions — By C atego ry
Por t I/O
xpcInpB, xpcInpW, xpcInpDW
I/O port input functions for byte,
word, and double word accesses
xpcOutpB, xpcOutpW, xpcOut pDW
I/O port output functions for byte,
word, and double word accesses
PCI Configur
ation Information
xpcGetPCIDeviceInfo
Return information for PCI device
xpcShowPCIDeviceInfo
Display contents of PCIDevice
structure
Physical Memory
xpcAllo
cPhysicalMemory
Allocate
physical m emory
xpcFree
PhysicalMemory
Free physical memory
xpcReserveMemoryRegion
Return virtual address that
corresponds to physical address and
mark region as readable/writable
Time
xpc
GetElapsedTime
Return time since system boot
xpcSubtractTime
Return difference between two times
10-2