Exercise \- SBL Shell/CLI

Note

In this exercise, we’ll learn how to execute SBL Shell Commands.

• Used help<ENTER> to list the available commands

You can execute SBL with the following steps:

1. Working on Command Prompt

2. Execute cmd on Shell by type-in:

exit	\- Exit the shell
help	\- List supported commands
hob	\- List HOBs
mem	\- Read or write system memory
mmap	\- Display memory map
perf	\- Display performance data
boot	\- Print or modify the OS boot option list
cpuid	\- Read CPU specific information
io	\- Read or write I/O ports
msr	\- Read or write model specific registers
mtrr	\- Display current MTRR configuration
pci	\- Display PCI devices (example)
reset	\- Reset the system
ucode	\- Display microcode version

Example:

pci           - Display PCI devices

Tip

Exit Shell by close QEMU