pcimaketag
tag = pcimaketag(0, 0, 0);
pchb = pcimaketag(0, 0, 0);
dev11 = pcimaketag(0, 11, 0);
dev12 = pcimaketag(0, 12, 0);
dev13 = pcimaketag(0, 13, 0);
dev15 = pcimaketag(0, 15, 0);
dev16 = pcimaketag(0, 16, 0);
pcib = pcimaketag(0, 22, 0);
ide = pcimaketag(0, 22, 1);
usb12 = pcimaketag(0, 22, 2);
usb34 = pcimaketag(0, 22, 3);
pmgt = pcimaketag(0, 22, 4);
ac97 = pcimaketag(0, 22, 5);
pcib = pcimaketag(0, 22, 0);
ide = pcimaketag(0, 22, 1);
net = pcimaketag(0, 25, 0);
pcib = pcimaketag(0, 11, 0);
ide = pcimaketag(0, 11, 1);
net = pcimaketag(0, 15, 0);
if (PCI_VENDOR(pcicfgread(pcimaketag(0, 11, 0), PCI_ID_REG)) == 0x10ec)
unsigned pcimaketag(int, int, int);
pcimaketag(bus, device, function);