Commit Graph

5137 Commits

Author SHA1 Message Date
Kazutaka YOKOTA
4da170bcf6 A workaround for screen flicker; eliminate some I/O access to the VGA
chip.

It has been observed that the problem is most apparent:

a) in notebook computers,
b) and/or in the systems with C&T video chips.

Define the new configuration option SC_BAD_FLICKER in the kernel
configuration file to remove outb()/outw() calls in question.
1998-08-10 08:39:19 +00:00
Poul-Henning Kamp
22126f4208 The machine dependent disk slice manager does not recognize
DOS partition type 15 (Extended DOS, LBA) as a container for
DOS logical volumes, so the appropriate slices (e.g. sd1s5)
are not initialized.

PR:		7549
PR:		4120
Reviewed by:	phk
Submitted by:	Jim Mattson <jmattson@sonic.net>
1998-08-10 07:22:14 +00:00
Jordan K. Hubbard
0eaf7cf01b MF22: Shut this thing up by default. 1998-08-09 02:22:34 +00:00
Jordan K. Hubbard
afc2d1c74e A few misc changes to get the spigot and meteor board working in 3.0.
Submitted by:	Jim Lowe <james@miller.cs.uwm.edu>
1998-08-08 19:26:08 +00:00
Bruce Evans
882fdeae66 Converted the second last instance of hzto() to tvtohz().
Fixed nearby bugs (in linux_alarm()):
- the itimer for the alarm was relative to the epoch instead of relative
  to the boot time.  This was harmless because the itimer's interval is 0.
- the seconds arg was not checked for validity before converting it to a
  possibly different value.
- printf format errors.

Improvements:
Don't use splclock().  splsoftclock() suffices.  Don't complicate things
by micro-optimizing interrupt latency.

Minor improvements:
Various micro-optimizations to exploit the specialness of the alarm itimer
and the value 0.
1998-08-05 16:44:30 +00:00
Eivind Eklund
b755b88510 Update DPT driver from 1.4.3 to 1.4.5
Submitted by: Simon Shapiro <shimon@simon-shapiro.org>
1998-08-05 00:54:38 +00:00
Brian Somers
c35bda9472 Add driver dgm - for the Digiboard PC/Xem
Submitted by:   "IBS / Andre Oppermann" <andre@pipeline.ch>
DEVFS additions: brian

dgm gets major number 101.
1998-08-04 21:44:09 +00:00
Mike Smith
194b64e83d Correct an irritating documentation error.
(get_diskinfo is unnecessarily obfuscated)
1998-08-04 00:39:45 +00:00
Mike Smith
e827c66461 Copy in the nfs_diskless structure if NFS_ROOT is defined. A previous
change to include nfs_root.h precluded NFS from being defined.
Submitted by:	Parag Patel <parag@cgt.com>
1998-08-03 21:31:32 +00:00
Mike Smith
46f3ff7986 Major ppbus updates from the author.
- ppbus now supports PLIP via the if_plip driver
 - ieee1284 infrastructure added, including parallel-port PnP
 - port microsequencer added, for scripting the sort of port I/O
   that is common with parallel devices without endless calls up and down
   through the driver structure.
 - improved bus ownership behaviour among the ppbus-using drivers.
 - improved I/O chipset feature detection

The vpo driver is now implemented using the microsequencer, leading to
some performance improvements as well as providing an extensive example
of its use.

Reviewed by:	msmith
Submitted by:	Nicolas Souchu <Nicolas.Souchu@prism.uvsq.fr>
1998-08-03 19:14:33 +00:00
Kazutaka YOKOTA
88a5f0cca7 1. Reorganized screen saver related code so that both the LKM screen
saver and splash screen can all work properly with syscons.  Note that
the splash screen option (SC_SPLASH_SCREEN) does not work yet, as it
requires additional code from msmith.

- Reorganized the splash screen code to match the latest development
  in this area.
- Delay screen switch in `switch_scr()' until the screen saver is
  stopped, if one is running,
- Start the screen saver immediately, if any, when the `saver' key is
  pressed. (There will be another commit for `kbdcontrol' to support
  this keyword in the keymap file.)
- Do not always stop the screen saver when mouse-related ioctls
  are called.  Stop it only if the mouse is moved or buttons are
  clicked; don't stop it if any other mouse ioctls are called.

2. Added provision to write userland screen savers.  (Contact me if you
are interested in writing one.)

- Added CONS_IDLE, CONS_SAVERMODE, and CONS_SAVERSTART ioctls to
  support userland screen savers.

3. Some code clean-ups.
1998-08-03 11:30:45 +00:00
Kazutaka YOKOTA
855458e47b - When the system is shut down, switch to the vty0 if possible.
- Don't try to ring bell when system is going down. Beacuse the clock
  code is about to be stopped, the timeout routine won't be called
  anymore.
1998-08-03 09:18:58 +00:00
Kazutaka YOKOTA
2f803c851e Fix the bug which always reallocated the cut buffer whenever
the screen mode is changed even if another vty has larger size.
Reallocate the buffer only when the new screen size is larger than
the current cut buffer size.
1998-08-03 09:17:06 +00:00
Kazutaka YOKOTA
16d7bd5278 Don't accept the blank time value, if it is too big.
PR: bin/6188
1998-08-03 09:15:36 +00:00
Kazutaka YOKOTA
30f3a4598b - Add new bell types: "quiet.normal" and "quiet.visual".
When bell is of "quiet" types, the console won't ring (or flush)
  if the ringing process is in a background vty.
  PR: i386/2853

- Modify the escape sequence 'ESC[=%d;%dB' so that bell pitch and
  duration are set in hertz and msecs by kbdcontrol(1).
  There will be a corresponding kbdcontrol patch.
  PR: bin/6037
  Submitted by: Kouichi Hirabayashi (kh@eve.mogami-wire.co.jp)
1998-08-03 09:09:35 +00:00
Gary Palmer
b177082524 Add the ISP Qlogic SCSI card to the list of known devices. 1998-08-02 09:32:52 +00:00
Poul-Henning Kamp
948cb33b78 TFTP_ACK goes to port 69 (default tftp port) and tftpd says 'Timeout'.
It will be sent to source port of received packet.

PR:		7442
Reviewed by:	phk
Submitted by:	Sergey Shkonda <serg@bcs.zp.ua>
1998-07-31 09:03:15 +00:00
Bruce Evans
34e9dea435 Added a flags arg to dsopen() and updated drivers. The DSO_ONESLICE
and DSO_NOLABELS flags prevent searching for slices and labels
respectively.  Current drivers don't set these flags.  When
DSO_NOLABELS is set, the in-core label for the whole disk is cloned
to create an in-core label for each slice.  This gives the correct
result (a good in-core label for the compatibility slice) if
DSO_ONESLICE is set or only one slice is found, but usually gives
broken labels otherwise, so DSO_ONESLICE should be set if DSO_NOLABELS
is set.
1998-07-30 15:16:06 +00:00
Alexander Langer
f7aad78d24 Typo fix: teh --> (the|they) 1998-07-30 02:27:41 +00:00
Bruce Evans
7010319f16 Fixed sign extension bugs awoken by changing speed_t to an unsigned
type.  19200, 1200 and other relatively uninteresting speeds were
broken.

Submitted by:	Rob Mallory <rmallory@qualcomm.com>
1998-07-29 18:48:20 +00:00
Bruce Evans
e4e6ae1366 Fixed print format errors. 1998-07-29 16:43:00 +00:00
Bruce Evans
e33e271f08 Fixed printf format errors.
Use offsetof() instead of null pointer hacks.  Use a home made offsetof()
because including <stddef.h> is not permitted in LKMs.
1998-07-29 15:50:41 +00:00
Bruce Evans
5c1a1eae83 Fixed error handling:
- Call isa_dmadone() whenever necessary to stop DMA and/or free bounce
  buffers.  Undead DMA corrupted the malloc freelist fairly consistently
  in the following configuration: SLICE kernel, 2 floppy drives, no disk
  in fd0, disk in fd1.
- Don't call fdc_reset() from fd_timeout().  Doing so gave an "extra"
  interrupt which was usually misinterpreted as being for completion
  of the next FDC command; the interrupt for completion of the next
  FDC command was then usually misinterpreted...  There were further
  complications for interrupts latched by the soft-spl mechanism so
  that they were delivered after all the h/w interrupts went away.
  This caused at least wrong head settle delays and may be why the
  FreeBSD floppy driver seems to munch floppies more than most floppy
  drivers.  The reset was unnecessary anyway in cases that didn't have
  the bug described next, since is was repeated a little later for
  the IOTIMEDOUT state.  The state machine has complications to handle
  resets correctly, so just use it.
- Don't call retrier() from fd_timeout().  The IOTIMEDOUT state needs
  to be processed next, and it isn't valid to set to that state if
  retrier() has aborted the current transfer.  Doing so caused null
  pointer panics after the previous bug was fixed.

Improved error handling:
- If an i/o is aborted, arrange to reset in the state machine before
  doing the next i/o.  New fdc flag for this.  This fixes spurious
  warnings and lengthy busy-waiting for the next i/o.
- Split STARTRECAL into RESETCOMPLETE and STARTRECAL and only check
  for the results from reset if we actually reset.  This fixes spurious
  warnings for other paths to STARTRECAL.  [Oops, it may break reset
  handling for motor-off resets.]

Cleanups in fd_timeout():
- Renamed to fd_iotimeout() to make it clearer that it is only used
  for i/o.
- Don't handle the bp == 0 case.  This case can't happen for i/o.
- Don't check for controller-busy.  We know it must be.
- Don't print anything.  retrier() already prints too much for normal
  errors.
- Fudge the state differently so that the state machine advances
  fdc->retry and the status is invalid (perhaps this should fudge a
  valid state like the one for WP).
- Style fixes.
1998-07-29 13:00:42 +00:00
Bruce Evans
e539380ea8 Set p->p_switchtime to switchtime instead of to the current time in
fork_trampoline() if switchtime is valid.  This fixes not accounting
for the time between the previous context switch and and the current
time (when the forked child starts up here) in most cases - the time
is now counted in the child's runtime.  I think it actually fixes
all cases, and switchtime is always valid here, since there must have
been a context switch just before the forked child starts up.  Some
code should be removed if this is correct.  The check that switchtime
is valid sometimes gives a false negative because the check isn't
correct until the after the first context switch after the system
has been up for >= 1 second.
1998-07-28 17:55:37 +00:00
Bruce Evans
aa839b4b07 Micro-optimized and cleaned up the clearing of switchtime in idle().
Cleaned up the conditionals in the disgusting SMP ifdef in idle().
1998-07-28 17:35:09 +00:00
Jonathan Lemon
525187f914 u_int --> unsigned int, remove (now unneeded) <sys/types.h> 1998-07-28 15:22:51 +00:00
Jonathan Lemon
f88a03565a Add wrappers for i386_*_ioperm, i386_vm86 so userland code does
not have to call sysarch() directly.
Added man pages for above, as well as sysarch()
1998-07-28 03:33:27 +00:00
Jonathan Lemon
ec9ed6196a Fix an off-by-one error when setting the iomap bits.
Change struct i386_*_iomap to use ints instead of shorts/chars.
  (pointed out by bde long ago, prodded into action by msmith)
1998-07-28 03:29:32 +00:00
Jonathan Lemon
a69546de82 Extend cpl workaround so that it applies when we are returning to
user-mode as well as vm86 mode.
1998-07-27 16:51:33 +00:00
Jonathan Lemon
f80a0a922c Re-arrange the page layout used by vm86_bioscall so that we can
potentially re-use the stack page.

Cosmetic cleanup of the code to de-obfuscate it and make it easier
to follow.  There should be no functional changes in this commit.
1998-07-27 16:45:05 +00:00
Bruce Evans
f69c53b019 Don't pass the label to diskerr(), since the label is being constructed
and may be invalid.  In particular, d_secpercyl may be 0, and diskerr()
divides by it.
1998-07-25 16:35:06 +00:00
Mike Smith
b16d163da1 Add the 'cs' driver for Crystal Semiconductor CS89x0 devices. This
supports PnP and if_media.  I've been running a slightly older version
here for several weeks now.
Submitted by:	Maxim Bolotin <max@rsu.ru>
1998-07-20 20:00:43 +00:00
Mike Smith
2512c3e67b Add support for PCNet PCI chips that only work when we talk to them as ISA
devices. Specifically fix the case for the Hitachi version as used in
their VisionBook models.

Submitted by:	Ted Faber <faber@isi.edu>
1998-07-20 17:33:01 +00:00
Bruce Evans
92d1f65ed2 Moved allocation of the slices struct to the right place. Initialize
everything in it (the devsw pointers were not initialized early or at
all for the !DEVFS case, but this was harmless on i386's).
1998-07-20 13:39:45 +00:00
Jordan K. Hubbard
6988c87741 A slap on the wrist to Dag-Erling, who plainly did not test this before
committing it.  There was a large syntax error at line 404 which could
not possibly have allowed compilation. :)
1998-07-19 11:12:14 +00:00
Bruce Evans
f2bd332e7c Stop physical DMA for the non-auto case in isa_dmadone(). This fixes a
small part of a bug suite beginning in the SLICE probes but mostly in the
floppy driver.  This is a quick fix: the auto case shouldn't be special;
DMA should also be stopped in isa_dma_release(); isa_dmastop() probably
shouldn't exist; common DMA registers should not be accessed without
locking.
1998-07-19 04:22:55 +00:00
Dag-Erling Smørgrav
51c4f6fbb5 Allow dump devices with dkpart != SWAP_PART on devfs/slice
systems. This test should probably be removed altogether.

See CVS log entries for revisions 1.97 and 1.98.
1998-07-18 21:42:55 +00:00
Bruce Evans
e5d7d24361 Fixed error handling after a seek error that can't happen. When the
controller reports a successful seek, it is very unlikely to report
seeking to a cylinder other than the one requested, but we check for
this, and botched the error handling for the requested_cylinder != 0
case.  This error happened when the bug fixed in rev.1.52 of <sys/buf.h>
caused the head of buffer queue to change to one starting on a different
cylnder - the requested cylinder was found, but it wasn't what we
thought we requested.  The fix is simply to arrange to reset the state
machine.

Corruption of the buffer queue seems to only have been a problem in the
floppy driver.  Other drivers dequeue the head of the queue before doing
physical i/o on it, so the corruption at worse broke the elevator sort
order.  Dequeueing breaks it anyway.
1998-07-18 03:15:33 +00:00
Joerg Wunsch
ccbe4f96fe Place a fat warning that floppy tapes should be configured as drive 2
only (normally).

PR:		kern/7176
1998-07-17 06:45:26 +00:00
Bruce Evans
18da528d41 Changed %n to %r in devfs name format strings. %n has almost gone away. 1998-07-15 12:18:34 +00:00
Bruce Evans
1be1e72fd8 Don't cast pointers to longs in asm statements.
These asm statments are not quite as pessimal as when I complained
about them in rev.1.9 of audio.c.  They seem to be only 40% slower
than the C version on P5's and the same speed on K6's.
1998-07-15 11:47:58 +00:00
Bruce Evans
0fc3927d33 %n in a comment was a poor abbreviation for Immediate-byte-signed,
especially now that %n format has almost gone away.
1998-07-15 11:27:11 +00:00
Bruce Evans
51d5e97efa The ioctl request arg is unsigned log, so don't attempt to pass it
around as signed int.

Fixed printf format error for ioctl request arg hidden in ifdefed code.
1998-07-15 10:11:21 +00:00
Bruce Evans
29d6b96d69 The ioctl request arg is unsigned long, so don't attempt to pass it
around as signed int.
1998-07-15 09:59:31 +00:00
Bruce Evans
ea878c61f1 Don't pretend to support ix86's with 16-bit ints by using longs
just to ensure 32-bit variables.
1998-07-15 09:38:10 +00:00
Bruce Evans
c3f62164d5 Don't cast pointers to longs in asms. Changed all remaining longs
to int32_t's and all unsigned longs to u_int32_t's.  Fixed the one
printf format broken by this.  The old math emulator now compiles
cleanly on i386's with 64-bit longs.  It may even work, provided
suword() doesn't actually write a long.
1998-07-15 09:01:18 +00:00
Bruce Evans
4b81ec76d1 Cast the value returned by strtoul() to a uintptr_t before casting
it to a pointer.  There's nothing better than strtoul() for reading
pointers from strings, but the range checking should be better.
1998-07-15 04:03:54 +00:00
Bruce Evans
fc93c1bd67 Cast virtual addresses that happen to be represented as u_longs to
uintptr_t before casting them to pointers.  Explicit u_longs should
never be used to represent virtual addresses... (vm_offset_t is
normally right).
1998-07-15 03:58:57 +00:00
Mike Smith
bf707fd0b2 Add missing register name defines. 1998-07-14 17:13:23 +00:00
Bruce Evans
3cc954df66 Don't pretend to support ix86's with 16-bit ints by using longs
just to ensure 32-bit variables.  Doing so broke i386's with 64-bit
longs.
1998-07-14 11:42:05 +00:00