Commit Graph

55 Commits

Author SHA1 Message Date
Peter Wemm
35b8b2ddab Update select -> poll in drivers. 1997-09-14 03:19:42 +00:00
Julian Elischer
a39a7bceee Make a function static to quieten gcc 1997-08-08 20:29:47 +00:00
Julian Elischer
e142af9aba Clean up the console muting functionality.
this has been in production now for a long time with no known effects.
1997-08-08 20:09:50 +00:00
Bruce Evans
43a6378726 Removed extra definition of constty. It is defined in subr_prf.c. 1997-07-01 00:52:37 +00:00
Peter Wemm
6875d25465 Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are not
ready for it yet.
1997-02-22 09:48:43 +00:00
Jordan K. Hubbard
1130b656e5 Make the long-awaited change from $Id$ to $FreeBSD$
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
1997-01-14 07:20:47 +00:00
Julian Elischer
75680b05c6 if there is no console, cngetc should act like getc and return -1
make callers aware of this in those cases where it can occur.
1996-10-30 21:40:25 +00:00
Julian Elischer
66478c637b Add support for embedded operation withou console
The boot.c patch is applied only to teh JULIAN_HACK branch
the muted console is controlable by a sysctl variable kern.consmute
1996-10-16 00:19:40 +00:00
Bruce Evans
40b55a34ae Changed cncheckc() interface so that it is 8-bit clean - return -1
instead of 0 if there is no input.
1996-09-14 04:25:32 +00:00
Bruce Evans
3722e90e21 Removed unused #include. 1996-05-01 03:32:46 +00:00
Bruce Evans
cf78fc4129 Undid the last 2 commits. Rev.1.43 reversed the changes in rev.1.42 and
rev.1.44 was a subset of them.
1996-03-28 15:03:41 +00:00
Marc G. Fournier
6e18ce4676 Switched from using devfs_add_sw() to using devfs_add_swf()
Reviewed by:	julian@freebsd.org
1996-03-28 14:29:52 +00:00
Bruce Evans
3dffe3c5f6 Fixed permissions of /devfs/*random.
Fixed group and permissions of /devfs/perfmon.
1996-03-27 19:04:55 +00:00
Bruce Evans
1170175e62 Fixed mode of /devfs/console. 1996-03-27 18:55:19 +00:00
Poul-Henning Kamp
df85d797f7 Remove crufty "pg" function. 1995-12-22 13:09:39 +00:00
Julian Elischer
6ba9ebce28 devsw tables are now arrays of POINTERS to struct [cb]devsw
seems to work hre just fine though  I can't check every file
that changed due to limmited h/w, however I've checked enught to be petty
happy withe hte code..

WARNING... struct lkm[mumble] has changed
so it might be an idea to recompile any lkm related programs
1995-12-13 15:13:57 +00:00
Poul-Henning Kamp
162a9e8732 Move sysctl machdep.consdev to cons.c 1995-12-09 20:39:47 +00:00
Poul-Henning Kamp
d2f265fab8 Julian forgot to make the *devsw structures static. 1995-12-08 23:23:00 +00:00
Julian Elischer
87f6c6625d Pass 3 of the great devsw changes
most devsw referenced functions are now static, as they are
in the same file as their devsw structure. I've also added DEVFS
support for nearly every device in the system, however
many of the devices have 'incorrect' names under DEVFS
because I couldn't quickly work out the correct naming conventions.
(but devfs won't be coming on line for a month or so anyhow so that doesn't
matter)

If you "OWN" a device which would normally have an entry in /dev
then search for the devfs_add_devsw() entries and munge to make them right..
check out similar devices to see what I might have done in them in you
can't see what's going on..
for a laugh compare conf.c conf.h defore and after... :)
I have not doen DEVFS entries for any DISKSLICE devices yet as that will be
a much more complicated job.. (pass 5 :)

pass 4 will be to make the devsw tables of type (cdevsw * )
rather than (cdevsw)
seems to work here..
complaints to the usual places.. :)
1995-12-08 11:19:42 +00:00
Julian Elischer
7198bf4725 If you're going to mechanically replicate something in 50 files
it's best to not have a (compiles cleanly) typo in it! (sigh)
1995-11-29 14:41:20 +00:00
Julian Elischer
53ac6efbd8 OK, that's it..
That's EVERY SINGLE driver that has an entry in conf.c..
my next trick will be to define cdevsw[] and bdevsw[]
as empty arrays and remove all those DAMNED defines as well..

Each of these drivers has a SYSINIT linker set entry
that comes in very early.. and asks teh driver to add it's own
entry to the two devsw[] tables.

some slight reworking of the commits from yesterday (added the SYSINIT
stuff and some usually wrong but token DEVFS entries to all these
devices.

BTW does anyone know where the 'ata' entries in conf.c actually reside?
seems we don't actually have a 'ataopen() etc...

If you want to add a new device in conf.c
please  make sure I know
so I can keep it up to date too..

as before, this is all dependent on #if defined(JREMOD)
(and #ifdef DEVFS in parts)
1995-11-29 10:49:16 +00:00
Bruce Evans
e7451974bb Make pcvt and syscons live in the same kernel. If both are enabled, then
the first one in the config has priority.  They can be switched using
userconfig().

i386/i386/conf.c:
Initialize the shared syscons/pcvt cdevsw entry to `nx'.

Add cdevsw registration functions.

Use devsw functions of the correct type if they exist.

i386/i386/cons.c:
Add renamed syscons entry points to constab.

i386/i386/cons.h:
Declare the renamed syscons entry points.

i386/i386/machdep.c:
Repeat console initialization after userconfig() in case the current
console has become wrong.  This depends on cn functions not wiring down
anything important.

sys/conf.h:
Declare new functions.

i386/isa/isa.[ch]:
Add a function to decide which display driver has priority.  Should be
done better.

i386/isa/syscons.c:
Rename pccn* -> sccn*.

Initialize CRTC start address in case the previous driver has moved it.

i386/isa/syscons.c, i386/isa/pcvt/*
Initialize the bogusly shared variable Crtat dynamically in case the
stored value was changed by the previous driver.

Initialize cdevsw table from a template.

Don't grab the console if another display driver has priority.

i386/isa/syscons.h, i386/isa/pcvt/pcvt_hdr.h:
Don't externally declare now-static cdevsw functions.

i386/isa/pcvt/pcvt_hdr.h:
Set the sensitive hardware flag so that pcvt doesn't always have lower
priority than syscons.  This also fixes the "stupid" detection of the
display after filling the display with text.

i386/isa/pcvt/pcvt_out.c:
Don't be confused the off-screen cursor offset 0xffff set by syscons.

kern/subr_xxx.c:
Add enough nxio/nodev/null devsw functions of the correct type for syscons
and pcvt.
1995-09-10 21:36:12 +00:00
Bruce Evans
f2cb5630d0 cons.c:
Split off cdevsw initialization in cninit() into a new function
cninit_finish() that isn't called until all hardware device drivers
have been attached.  The bdevsw entry of the driver for the physical
console needs to be hooked after the physical driver has been
attached in case the attachment modified the entry.

Rearrange cninit() to avoid changing cn_tab until the driver for the
physical console has been initialized, so that the previous driver
(if any) can be used for debugging.

Start removing half-baked lint support.  bdevsw functions usually have
unused args but /*ARGSUSED*/ was used for only about 5% of them.

cons.h:
Declare cn_init_finish().

autoconf.c:
Call cn_init_finish().

Start adding prototypes.  Functions with bogus linkage (extern where
static is probably should be static) are explicitly declared as extern
so that the can be found easily (extern in a non-header is usually
wrong).

All:
Continue cleaning up init stuff: init functions shall be static;
INITs should be at the start of files...
1995-09-10 18:57:26 +00:00
David Greenman
4590fd3a2a Fixed init functions argument type - caddr_t -> void *. Fixed a couple of
compiler warnings.
1995-09-09 18:10:37 +00:00
Julian Elischer
8af5d536ff devfs changes..
changes to allow devices that don't probe (e.g. /dev/mem)
to create devfs entries
this required giving 'configure' its own SYSINIT entry
so we could duck in just before it with a DEVFS init
and some device inits..
my devfs now looks like:
./misc
./misc/speaker
./misc/mem
./misc/kmem
./misc/null
./misc/zero
./misc/io
./misc/console
./misc/pcaudio
./misc/pcaudioctl
./disks
./disks/rfloppy
./disks/rfloppy/fd0.1440
./disks/rfloppy/fd1.1200
./disks/floppy
./disks/floppy/fd0.1440
./disks/floppy/fd1.1200
also some sligt cleanups.. DEVFS needs a lot of work
but I'm getting back to it..
1995-09-03 05:43:50 +00:00
Bruce Evans
4ebf8117df Partially fix `sysctl machdep.console_device'. The fix will be complete
when syscons stops mapping the console to minor MAXCONS.  There is
usually no corresponding device in /dev, and the correct device has
minor 0.

cons.c:
Initialize cn_tty properly, so that CPU_CONSDEV can work.
Comment about too many variants of the console tty pointer.

machdep.c:
Return device NODEV and not error EFAULT when there is no console device.
1995-06-26 07:39:52 +00:00
Bruce Evans
39a7e2a41a Output \n as \r\n, not as \n\r. 1995-06-14 04:52:39 +00:00
Rodney W. Grimes
9b2e535452 Remove trailing whitespace. 1995-05-30 08:16:23 +00:00
Bruce Evans
0f1a48177b Undo the move of `#include "sc.h"' etc. to cons.h. It broke anything
that includes <machine/cons.h>.
1995-04-24 16:43:01 +00:00
Bruce Evans
e770b51673 Declare the console switch functions completely.
Move declarations of console functions to cons.h (they should be
config(8)ed).
1995-04-23 12:55:55 +00:00
Joerg Wunsch
4fb0b0de3e Implement a simple hook (or hack?) to allow graphics device console
drivers to protect DDB from being invoked while the console is in
process-controlled (i.e., graphics) mode.

Implement the logic to use this hook from within pcvt.  (I'm sure
Søren will do the syscons part RSN).

I've still got one occasion where the system stalled, but my attempts
to trigger the situation artificially resulted int the expected
behaviour.  It's hard to track bugs without the console and DDB
available. :-/
1995-04-08 21:32:11 +00:00
Joerg Wunsch
9bb751a368 Attempt to fix the `you can log into console only once' problem (PR
#179).  The fix implements a ttyhalfclose() (sort of), resetting the
session and pgrp pointers when the physical device is about to be
closed.

Suggested by: bde
1995-04-02 16:14:51 +00:00
Bruce Evans
0fe414febc Eliminate my private type `bool_t'. 1995-02-26 03:15:36 +00:00
Paul Traina
77f77631e7 (a) remove the pointer to each driver's tty structure array from cdevsw
(b) add a function callback vector to tty drivers that will return a pointer
    to a valid tty structure based upon a dev_t
(c) make syscons structures the same size whether or not APM is enabled so
    utilities don't crash if NAPM changes (and make the damn kernel compile!)
(d) rewrite /dev/snp ioctl interface so that it is device driver and i386
    independant
1995-02-25 20:09:44 +00:00
David Greenman
0a2d61c61c Kill redundant declarations of d_open_t and d_close_t. 1995-01-23 18:46:13 +00:00
Bruce Evans
a2562ad917 Keep track of open devices better to avoid closing the console device when
the physical device is closed.  Previously only the reverse case was handled.
Abuse the cdevsw interface instead of the vfs interface to do this.

Remove unnecessary #includes.
1995-01-21 14:12:15 +00:00
Joerg Wunsch
91c38cb885 Ooops, i forgot one NVT > 0 in a previous commit. Now pcvt will also
work as the system's console.
1994-12-18 19:42:41 +00:00
Joerg Wunsch
00e82d39d7 Move the code providing the equivalent of ICRNL for console input from
the device driver(s) to cons.c.
1994-12-18 19:35:59 +00:00
Joerg Wunsch
0cdf7aff6d Added hooks for an easy drop-in of the pcvt concole driver.
Don't panic:-), this is simple stuff just doing exactly the same as for syscons.
(files.i386 did already contain the necessary stuff.)
1994-10-31 17:20:15 +00:00
Poul-Henning Kamp
953ca71d9d Peter Dufaults comconsole changes.
Submitted by:	Peter Dufault
1994-10-20 00:08:31 +00:00
David Greenman
b1c9b68c8e Conditionalized support for syscons as the console so that it can be
made optional in the kernel config file.

Submitted by:	John Hay
1994-08-31 07:44:22 +00:00
David Greenman
0711286530 Cleaned up after Bruce: there were still some things that included
com.h/lpa.h. Removed all vestiges of com/lpa out of conf.c and also
fixed up the end of cdevsw/bdevsw to have "no" routines instead of
a NULL pointer (suggested by someone a few weeks back).
1994-08-30 19:36:35 +00:00
Garrett Wollman
f540b1065a Change all #includes to follow the current Berkeley style. Some of these
``changes'' are actually not changes at all, but CVS sometimes has trouble
telling the difference.

This also includes support for second-directory compiles.  This is not
quite complete yet, as `config' doesn't yet do the right thing.  You can
still make it work trivially, however, by doing the following:

rm /sys/compile
mkdir /usr/obj/sys/compile
ln -s M-. /sys/compile
cd /sys/i386/conf
config MYKERNEL
cd ../../compile/MYKERNEL
ln -s /sys @
rm machine
ln -s @/i386/include machine
make depend
make
1994-08-13 03:50:34 +00:00
Rodney W. Grimes
26f9a76710 The big 4.4BSD Lite to FreeBSD 2.0.0 (Development) patch.
Reviewed by:	Rodney W. Grimes
Submitted by:	John Dyson and David Greenman
1994-05-25 09:21:21 +00:00
David Greenman
1ef486634f Remove confusing and incorrect comment inherited from patchkit days. 1994-01-26 20:42:18 +00:00
David Greenman
1b9d391946 Much better fix for the hanging console problem. This one actually
works.
1994-01-23 19:17:17 +00:00
David Greenman
c77fe5808b Backed out previous commit as it requires additional kludges to work
completely, and it looks like syscons might solve the problem a
different way  (although what about serial consoles??).
1994-01-23 17:50:11 +00:00
David Greenman
e4794aea16 Brute-force fix for the "hanging console" problem. Simply _don't_ call
the device close routine. This works because the device close calls
the line discipline close (which only flushes the output buffers) and
the ttyclose() routine, which does little of nothing except screw with
the session and process group fields (which is what was causing all
the problems).
1994-01-22 22:48:21 +00:00
David Greenman
6d01f02e51 1) Added proc file system from Paul Kranenburg with changes from
John Dyson to make it reliably work under FreeBSD.
2) Added and enabled PROCFS in the GENERICxx and LINT kernels.
3) New execve() from me. Still work to be done here, but this version
	works well and is needed before other changes can be made. For
	a description of the design behind this, see freebsd-arch or
	ask me.
4) Rewrote stack fault code; made user stack VM grow as needed rather
	than all up front; improves performance a little and reduces
	process memory requirements.
5) Incorporated fix from Gene Stark to fault/wire a user page table
	page to fix a problem in copyout. This is a temporary fix and
	is not appropriate for pageable page tables. For a description
	of the problem, see Gene's post to the freebsd-hackers mailing
	list.
6) Tighten up vm_page struct to reduce memory requirements for it. ifdef
	pager page lock code as it's not being used currently.
7) Introduced new element to vmspace struct - vm_minsaddr; initial
	(minimum) stack address. Compliment to vm_maxsaddr.
8) Added a panic if the allocation for process u-pages fails.
9) Improve performance and accuracy of kernel profiling by putting in
	a little inline assembly instead of spl().
10) Made serial console with sio driver work. Still has problems with
	serial input, but is almost useable.
11) Added -Bstatic to SYSTEM_LD in Makefile.i386 so that kernels will
	build properly with the new ld.
1993-12-12 12:22:57 +00:00
Garrett Wollman
381fe1aaf4 Make the LINT kernel compile with -W -Wreturn-type -Wcomment -Werror, and
add same (sans -Werror) to Makefile for future compilations.
1993-11-25 01:38:01 +00:00