Harnessing the UEFI Shell

Chapter 11 Managing UEFI Drivers Using the Shell

He has half the deed done who has made a beginning.

—Horace

Several UEFI Shell commands can be used to help debug UEFI drivers. These UEFI Shell commands are already documented in the UEFI 2.0 Shell Specification, so the full capabilities of the UEFI Shell commands are not discussed here. There is also a built-in UEFI Shell command called help that provides a detailed description of an UEFI Shell command. Figure 11.1 shows the results of issuing the “help –b” command.

Figure 11.1: The help –b Command.

Testing Specific Protocols

Table 11.1 lists UEFI Shell commands that can be used to test and ...