Commit Graph

26 Commits

Author SHA1 Message Date
Marcel Moolenaar
bc0770d707 Change the terminal type/class for enabled serial lines to 3wire. This
allows us to change the uart(4) driver to not hardcode specific line
settings for the serial console.

A terminal type of 3wire makes sure the console still works when no DCD
signal is present, which preserves behviour. When it is known that the
terminal server (or DCE in general) provides DCD, a terminal type/class
of std can be used. This has the effect of being logged out when one
disconnects from the console -- improving security overall.

Likewise, when uart(4) does not fixate the baudrate, one can change
the terminal type/class to set a specific baudrate. An operator can use
this to change the console speed mid-flight, without needing a reboot.
Of course it helps in this respect if and when the firmware can be
configured from the OS.

The above mentioned capabilities depend on uart(4) being changed, which
is to happen next.
2014-03-09 21:06:22 +00:00
Ed Schouten
b15ce1ef26 Remove the reference to pseudo-terminals from the description.
Pseudo-terminals are no longer listed in this file, since the utmpx
implementation doesn't depend on ttyslot().
2011-03-30 08:22:29 +00:00
Ed Schouten
bcc7f0f408 Remove pseudo-terminals from ttys(5).
When we had utmp(5), we had to list all the psuedo-terminals in ttys(5)
to make ttyslot(3) function properly. Now that pututxline(3) deals with
slot allocation internally (not based on TTY names), we don't need to
list all the TTYs on the system in ttys(5) to make user accounting work
properly.

This patch removes all the entries from the /etc/ttys files, but also
the pts(4) entries that were appended implicitly, which was added in
r154838.
2010-01-27 11:54:42 +00:00
Ed Schouten
e42fc36867 Switch the default terminal emulation style to xterm for most platforms.
Right now syscons(4) uses a cons25-style terminal emulator. The
disadvantages of that are:

- Little compatibility with embedded devices with serial interfaces.
- Bad bandwidth efficiency, mainly because of the lack of scrolling
  regions.
- A very hard transition path to support for modern character sets like
  UTF-8.

Our terminal emulation library, libteken, has been supporting
xterm-style terminal emulation for months, so flip the switch and make
everyone use an xterm-style console driver.

I still have to enable this on i386. Right now pc98 and i386 share the
same /etc/ttys file. I'm not going to switch pc98, because it uses its
own Kanji-capable cons25 emulator.

IMPORTANT: What to do if things go wrong (i.e. graphical artifacts):

- Run the application inside script(1), try to reduce the problem and
  send me the log file.
- In the mean time, you can run `vidcontrol -T cons25' and `export
  TERM=cons25' so you can run applications the same way you did before.
  You can also build your kernel with `options TEKEN_CONS25' to make all
  virtual terminals use the cons25 emulator by default.

Discussed on:	current@
2009-11-13 05:54:55 +00:00
Ed Schouten
fcbfce6643 Remove the note about using vt220, which makes no sense at all.
vt220 will not work better. Even though it probably will remove warnings
about unknown terminal types, a cons25 emulator is not compatible with
vt220 at all.
2009-06-14 22:35:33 +00:00
Ed Schouten
5ebad6a76a Remove pts(4) entries from /etc/ttys.
Even though I increased the amount of pts(4) entries in /etc/ttys some
time ago, I didn't realize back then those entries shouldn't have been
there in the first place.

I just looked at the getttyent() source code and it turns out when you
call setttyent(), it walks through /dev/pts and looks for the device
with the highest number. After you receive EOF's from getttyent(), it
makes up entries for pts(4) devices.

This means that adding entries for pts(4) is somewhat harmful, because
if you now traverse the list, you get redundant entries, so just remove
them.
2009-02-12 19:21:48 +00:00
Ed Schouten
0a3bd811c6 Restore 256 pty(4) entries.
As discussed with Robert Watson on the src-committers list, it is safer
to keep at least some pty(4) entries in /etc/ttys, for applications that
roll their own PTY allocation routine and only search for BSD-style
PTY's.

This means we've now just toggled the amount of entries for pts(4) and
pty(4).

Requested by:	rwatson
2008-08-24 08:41:29 +00:00
Ed Schouten
fa38c73642 Remove old BSD-style entries from /etc/ttys and increase pts(4) to 512.
Because we now use pts(4)-style PTY's exclusively, there is no use for
these entries in /etc/ttys. Right now the pts(4) entries only go from 0
to 255. Because we're going to touch these files anyway, increase the
number to 511.

Discussed with:	philip (ex-mentor)
2008-08-23 14:36:39 +00:00
John Baldwin
790c2471b9 Bump up the number of ttys supported by pty(4) to 512 by making use of
[pt]ty[lmnoLMNO][0-9a-v].

MFC after:	3 days
Reviewed by:	rwatson
2007-11-19 20:49:42 +00:00
Robert Watson
dc08061ccd Add ttys lines for pts/0-pts/255.
MFC after:	3 days
2007-11-15 16:22:59 +00:00
Doug Barton
9c933e2939 Remove more vestiges of /usr/X11R6, but leave mtree for portmgr. 2007-05-29 06:37:58 +00:00
Marius Strobl
fa63296aba Remove last vestiges of sab(4). 2006-04-25 19:43:53 +00:00
Marius Strobl
2e47800d98 Enable getty(8) on ttyu2 by default in order to get machines that use a
RSC (Remote System Control) connected via uart2 as console working out
of the box. On machines that use uart2 to connect a keyboard and thus
the ttyu2 node doesn't exist this will trigger a warning from getty(8)
but cause no real harm.

MFC after:	1 week
2006-02-04 23:30:09 +00:00
Marius Strobl
9a472268c8 - In preparation to turning syscons(4) etc. on by default in the sparc64
GENERIC comment in ttyN.
- Add the name of the device driver creating the device nodes above the
  respectives blocks so it's easier for user to find the right entry to
  shut up warnings from getty(8). Replace 'Requires device 'uart' be
  enabled.' with just 'uart(4)' as the former referred to a sparc64
  GENERIC back when uart(4) wasn't enabled by default, yet.
- Turn off the getty(8) on screen as screen is created by ofw_console(4)
  which is no longer enabled in the sparc64 GENERIC (and also only is a
  last resort) to shut up warnings from getty(8) with the current GENERIC.
2005-06-10 23:06:14 +00:00
David E. O'Brien
2a907aec6b Be consistent about the serial line terminal type.
CVS ----------------------------------------------------------------------
2005-03-09 03:57:08 +00:00
Marcel Moolenaar
9a3ee61355 Start gettys on ttyu0 and ttyu1 instead of ttya and ttyz0 now that
uart(4) is the default driver.

MFC after: 2 weeks
2005-01-30 09:31:22 +00:00
Marius Strobl
3420a6e5f1 Catch up with the new device name of sab(4). The entries for tty[a,b]
can't be removed as ofw_console(4) and zs(4) use them so one has to
live with some complaints about non-existent devices at boot time and
remove the respective entries locally for now.
2004-12-04 14:03:45 +00:00
Ken Smith
dfea356f2a With the fixes to getty handling of non-existent devices a default
install now complains about ttyu0/ttyu1 not existing at boot time.
Since users wanting the uart based devices as terminals will need
to do something special to get them anyway set it up so a default
config doesn't complain.

MFC after:	3 days
2004-10-04 03:39:52 +00:00
Hidetoshi Shimokawa
869093b15d Add dumb console driver and related bits.
dcons(4): very simple console and gdb port driver
dcons_crom(4): FireWire attachment
dconschat(8): User interface to dcons

Tested with: i386, i386-PAE, and sparc64.
2003-10-24 15:44:10 +00:00
Jake Burkholder
be177216b1 Changed the ttyd entries to ttyu, which correspond to the device nodes
created by uart(4).
2003-09-11 00:14:17 +00:00
Doug Barton
4b065e2ce1 Per previous announcement, remove the old version of the rc system.
All functionality from the previous system has been preserved, and
users should still customize their system boot with the familiar
methods, rc.conf, rc.conf.local, rc.firewall, sysctl.conf, etc.

Users who have customized versions of scripts that have been removed
should take great care when upgrading, since the compatibility code
that used those old scripts has also been removed.
2003-05-02 05:27:35 +00:00
Ruslan Ermilov
cc76558ad4 Make disktab(5) MI (repo-copied from etc.i386/disktab). 2003-04-02 20:13:59 +00:00
Jake Burkholder
984e265523 Change ofwcons to use the output-device property from the firmware for the
name of the device that it creates.  Update /etc/ttys accordingly.

An alias is created for the old name so that old /etc/ttys will continue to
work, but due to aliases being implemented as symlinks in devfs you cannot
login as root when using the alias device.

Discussed with:	grehan
2003-01-27 04:42:17 +00:00
Jake Burkholder
2e55bb64c3 Add example entries for ttya and ttyb (sab). 2002-08-04 19:16:13 +00:00
Gerald Pfeifer
e6c0365295 Mention that terminal type vt220 will work better if one needs
interoperability with other systems like Solaris or GNU/Linux.

PR:		33810
Approved by:	obrien
2002-04-17 10:42:41 +00:00
John Baldwin
64798412f9 Populate etc.sparc64:
- The disktab was taken from etc.alpha.
 - rc.sparc64 doesn't do anything right now.
 - The ttys file has all the vty's commented out since we don't know how
   those will work yet.  Also, an entry is added for the Openfirmware
   console device.

Submitted by:	jake (partially)
2002-01-07 23:53:34 +00:00