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DCONS(4) BSD Kernel Interfaces Manual DCONS(4) NAME dcons -- dumb console device driver SYNOPSIS device dcons options DDB options ALT_BREAK_TO_DEBUGGER device firewire DESCRIPTION The dcons device is the simple console device which just reads from and writes to an allocated buffer for input and output respectivly. It is no use by itself and it is supposed that the buffer is accessed via a bus like FireWire(4) or kvm(3) for interaction. The buffer consists of 4 channels. There are 2 ports, one for console tty and other is GDB ports then each port has a input channel and a out- put channel. EXAMPLE If you want to run getty(8) on dcons, insert following line into /etc/ttys(5) and send a HUP signal to init(8) using kill(1). dcons "/usr/libexec/getty std.9600" vt100 on secure Once fwochi(4) device is initialized to allow physical access, the buffer can be accessed from another host via FireWire bus using dconschat(8) ap- plication. See dconschat(8) for more details. FILES /dev/dcons /etc/ttys SEE ALSO dcons_crom(4), ddb(4), firewire(4), fwohci(4), dconschat(8), fwcontrol(8), ttys(5) AUTHORS Hidetoshi Shimokawa <simokawa@FreeBSD.org> BUGS This driver is still under development. BSD February 11, 2003 BSD
NAME | SYNOPSIS | DESCRIPTION | EXAMPLE | FILES | SEE ALSO | AUTHORS | BUGS
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