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:

acpi

\- Display ACPI table data

boot

\- Print or modify the OS boot option list

cdata

\- Display configuration data

cls

\- Clear console

cpuid

\- Read CPU specific information

dmesg

\- Print messages stored in boot log buffer

exit

\- Exit the shell

fs

\- filesystem access command

help

\- List supported commands

hob

\- List HOBs

mm | \- Read or write system memory

mmap

\- Display memory map

mmcdll

\- Tune or print MMC DLL data

msr

\- Read or write model specific registers

mtrr

\- Display current MTRR configuration

pci

\- Display PCI devices (example)

perf

\- Display performance data

reset

\- Reset the system

ucode

\- Display microcode version

usbdev

\- Display USB devices

Example:

pci           - Display PCI devices
Compile completed

Tip

Exit Shell by close QEMU