SEG(1)SEG(1)
NAME
seg – access a named segment
SYNOPSIS
seg
[
-WLrw
]
segment
segment-size
offset
[
value
]
DESCRIPTION
seg
accesses a named segment as provided by e.g. certain drivers.
The operation to be performed is selected with
-r
and
-w
for reading and writing, respectively.
The default operation size is a byte.
C style notation for integers (e.g.
0x42
or
023)
is accepted for the
segment-size,
offset
and
value
parameters.
-W
Perform a word (16 bit) operation
-L
Perform a long / double word (32 bit) operation.
SOURCE
/sys/src/cmd/seg.c
SEE
io(1)
BUGS
No check of the
segment-size
and
offset
parameters is performed whatsoever.
Odd values may cause the front to fall off.
HISTORY
Seg
first appeared in 9front (April, 2011).