/**
Reads a 16-bit PCI configuration register.
Reads and returns the 16-bit PCI configuration register specified by Address.
This function must guarantee that all PCI read and write operations are
serialized.
If Address > 0x0FFFFFFF, then ASSERT().
@param Address Address that encodes the PCI Bus, Device, Function and
Register.
@return The read value from the PCI configuration register.
**/
UINT16
EFIAPI
PciRead16 (
IN UINTN Address
)
{
return PciCf8Read16 (Address);
}
/**
Reads a 16-bit PCI configuration register.
Reads and returns the 16-bit PCI configuration register specified by Address.
This function must guarantee that all PCI read and write operations are
serialized.
If Address > 0x0FFFFFFF, then ASSERT().
If Address is not aligned on a 16-bit boundary, then ASSERT().
@param Address The address that encodes the PCI Bus, Device, Function and
Register.
@return The read value from the PCI configuration register.
**/
UINT16
EFIAPI
PciRead16 (
IN UINTN Address
)
{
return mRunningOnQ35 ?
PciExpressRead16 (Address) :
PciCf8Read16 (Address);
}