ableos-idl/sysdata/libraries/pci/src/lib.hb

stn := @use("rel:../../stn/src/lib.hb");
.{string, memory, buffer} := stn

PCIAddress := struct {
	bus: u8,
	device: u8,
	function: u8,
}

find_device := fn(vendor_id: int, device_id: int, pci_address: PCIAddress): int {
	return 1
}

scan_bus := fn(): void {
}

config_read32 := fn(bus: u32, device: u32, func: u32, offset: u32): u32 {
	// construct address param
	offset_and := offset & 0xFC

	address := bus << 16
	address |= device << 11
	address |= func << 8
	address |= offset_and
	address |= 0x80000000

	// write address
	memory.outl(0xCF8, address)

	// read data
	return memory.inl(0xCFC)
}