31.3.2 Other Testing

There are other tests that can be performed from within the UEFI shell. These are not testing a specific protocol, but are testing functionality and for other coding practices.

Table 41-Other Shell Testing Procedures

Shell Command Sequence

What it tests

Shell> Memmap Shell> Dh Shell> Load DriverName.efi Shell> Memmap Shell> Dh Shell> Unload DriverHandle Shell> Memmap Shell> Dh

Tests for incorrectly matched up DriverEntryPoint and Unload() functions. This catches memory allocation that is not unallocated, and catches protocols that are installed and not uninstalled, etc.

Shell> Memmap Shell> Connect DeviceHandle DriverHandle Shell> Memmap Shell> Disconnect DeviceHandle DriverHandle Shell> Memmap Shell> Reconnect DeviceHandle Shell> Memmap

Tests for incorrectly matched up Driver Binding Start() and Stop() functions. This catches memory allocation that is not unallocated.

Shell> dh Shell> Connect DeviceHandle DriverHandle Shell> dh Shell> Disconnect DeviceHandle DriverHandle Shell> dh Shell> Reconnect DeviceHandle Shell> dh

Tests for incorrectly matched up Driver Binding Start() and Stop() functions. This catches protocols that are installed and not uninstalled.

Shell> OpenInfo DeviceHandle Shell> Connect DeviceHandle DriverHandle Shell> OpenInfo DeviceHandle Shell> Disconnect DeviceHandle DriverHandle Shell> OpenInfo DeviceHandle Shell> Reconnect DeviceHandle Shell> OpenInfo DeviceHandle

Tests for incorrectly matched up Driver Binding Start() and Stop() functions. This catches protocols that are opened and not closed.