3.11 Service Drivers
A service driver does not manage any devices and does not produce any instances
of the EFI_DRIVER_BINDING_PROTOCOL
. It is a simply a driver that produces one
or more protocols on one or more new service handles in the handle database.
These service handles do not have a Device Path Protocol because they do not
represent physical devices. The driver entry point returns EFI_SUCCESS
after
the service handles are created and the protocols installed, leaving the driver
resident in system memory. Some example service drivers in the MdeModulePkg
in the EDK II include:
MdeModulePkg/Universal/Acpi/AcpiTableDxe
MdeModulePkg/Universal/DebugSupportDxe
MdeModulePkg/Universal/DevicePathDxe
MdeModulePkg/Universal/EbcDxe
MdeModulePkg/Universal/HiiDatabaseDxe
MdeModulePkg/Universal/PrintDxe
MdeModulePkg/Universal/SetupBrowserDxe
MdeModulePkg/Universal/SmbiosDxe