8-20
PmPPC440: Monitor
April 2005
8.10 Environment Parameter Commands
The monitor uses on-board, non-volatile memory for the storage of environment
parameters. Environment parameters are stored as ASCII strings with the follow-
ing format.
<Parameter Name>=<Parameter Value>
Some environment variables are used for board configuration and identification
by the monitor. The environment parameter commands deal with the reading
and writing of these parameters. Refer to Section 8.13 for a list of monitor envi-
ronment variables.
8.10.1 printenv (print environment)
The
printenv
command displays all of the environment variables and their cur-
rent values to the display.
DEFINITION
Print the values of all environment variables.
printenv
Print the values of all environment variable (exact match) ‘name’.
printenv name …
8.10.2 setenv (set environment)
The
setenv
command adds new environment variables, sets the values of existing
environment variables, and deletes unwanted environment variables.
DEFINITION
Set the environment variable
name
to
value
or adds the new variable
name
and
value
to the environment.
setenv name value
Removes the environment variable
name
from the environment.
setenv name
8.10.3 saveenv (save environment)
The
saveenv
command writes the environment variables to non-volatile mem-
ory.
DEFINITION
saveenv
Содержание PmPPC440
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