WIN Enterprises PL-80720, Руководство пользователя

Страница: 31 / 43

Copyright © WIN Enterprises, Inc. All Rights Reserved.
Dec., 2014
Chapter 4. U-Boot Reference Manual
30
4.7 Memory commands
These commands manage RAM memory:
Command Description
cmp[.b, .w, .l] addr1 addr2
count
Compares memory contents from address
'addr1'
to
'addr2' for as many 'count' bytes, words, or long
words.
cp[.b, .w, .l] source target count Copies memory contents from address
'source'
to
'target'
for as many
'count'
bytes, words, or long
words.
go addr [arg ...] Starts the application at address
'addr'
passing 'arg'
as arguments.
md[.b, .w, .l] <address> [# of
objects]
Displays the contents of the memory at address 'addr'
for as many '[#of objects]' bytes, words, or long
words.
mm[.b, .w, .l] <address> Lets you modify locations of memory, beginning at
‘address,’ which gets auto-incremented.
mw[.b, .w, .l] <address>
<value > [count]
Writes 'value' into 'address' for as many 'count' bytes,
words, or long words.
nm[.b, .w, .l] address Lets you modify a fixed location of memory.
protect [on|off] ... Protects/unprotects NOR sector(s).