7 kflash uefi shell command, Kflash uefi shell command, Am5020 uefi bios the uefi shell – Kontron AM5020 uEFI BIOS User Manual

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AM5020 uEFI BIOS

The uEFI Shell

ID 1045-0247, Rev. 1.0

Page 45

P R E L I M I N A R Y

6.2.7

kflash uEFI Shell Command

kflash

FUNCTION:

Manage uEFI BIOS update

SYNTAX:

kflash [-p|-i|-v|-s|-c|-h|-?] [-f] [-r] [file]

Operation mode:

-p

Program flash

-i

Show information string and check CRC

-v

Verify flashed image

-s

Save current ROM image to file

-c

Clone flash content to second flash

-h

Show this help

-?

Show online help

file

uEFI BIOS binary file

Options:

-f

Force write (option)

Expert options: Not recommended for standard use

-r

Raw image mode (.bin, .rom)

DESCRIPTION:

The kflash command is used to program and verify the flash banks
holding the uEFI BIOS code. uEFI BIOS binary files must be available
from connected mass storage devices, such as USB flash drive or
harddisk.

USAGE:

Get help:

COMMAND / RESPONSE:

Shell> kflash -?

Get help:

COMMAND / RESPONSE:

Shell> kflash -h

Program uEFI BIOS into flash bank:

COMMAND / RESPONSE:

Shell> kflash -p BIOS_file.kfl

Copy uEFI BIOS in secondary BIOS bank:

COMMAND / RESPONSE:

Shell> kflash -c

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