term% cat index.txt SEG(1) General Commands Manual 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 ALSO
io(1)
BUGS
No check of the segment-size and offset parameters is performed whatso‐
ever. Odd values may cause the front to fall off.
HISTORY
Seg first appeared in 9front (April, 2011).
SEG(1)