自学教程：C++ ASSERT_INVALID_PCI_ADDRESS函数代码示例

/**  Registers a PCI device so PCI configuration registers may be accessed after   SetVirtualAddressMap().    Registers the PCI device specified by Address so all the PCI configuration registers   associated with that PCI device may be accessed after SetVirtualAddressMap() is called.    If Address > 0x0FFFFFFF, then ASSERT().  @param  Address The address that encodes the PCI Bus, Device, Function and                  Register.    @retval RETURN_SUCCESS           The PCI device was registered for runtime access.  @retval RETURN_UNSUPPORTED       An attempt was made to call this function                                    after ExitBootServices().  @retval RETURN_UNSUPPORTED       The resources required to access the PCI device                                   at runtime could not be mapped.  @retval RETURN_OUT_OF_RESOURCES  There are not enough resources available to                                   complete the registration.**/RETURN_STATUSEFIAPIPciRegisterForRuntimeAccess (  IN UINTN  Address  ){  ASSERT_INVALID_PCI_ADDRESS (Address, 0);  return RETURN_UNSUPPORTED;}

/**  Reads a 32-bit PCI configuration register.  Reads and returns the 32-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 32-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.**/UINT32EFIAPIPciRead32 (  IN      UINTN                     Address  ){  ASSERT_INVALID_PCI_ADDRESS (Address, 3);  return PeiPciLibPciCfg2ReadWorker (Address, EfiPeiPciCfgWidthUint32);}