Commit Graph

6677 Commits

Author SHA1 Message Date
Julian Elischer
acdbeb6b1c changes to make devfs more 'normal'
also fixes a bug I've been chasing for a LONG TIME,
due to the fact that spec_bwrite is a NOP and I didn't realise it..

old symptom:
mount -t devfs devfs /mnt
mount /mnt/wd0e /mnt/mnt2
umount /mnt2 <process hangs>

there are some pretty large structural differences internal to devfs
but outwards it should look the same.
I have not yet tested extensively but will do so and fix 3 warnings tomorrow.
1996-11-21 07:19:00 +00:00
Justin T. Gibbs
3d9a12be07 Update comment and disable SCB paging for Rev E cards since paging, at least
in its current form, will not work with these cards.
1996-11-21 06:19:13 +00:00
Justin T. Gibbs
ad34debda8 Change the way Automatic PIO is performed in the mesgin and mesgout phases.
SPIORDY should go active on any REQ of the bus, so testing for REQINIT is
not necessary.  It also seems that testing for SPIORDY is more robust then
REQINIT since SPIORDY comes active after REQINIT and PHASEMIS seems to take
some time to come true after REQ is asserted if the phase has changed.  Of
course, none of this is documented.

This should give the code savings of my original changes, without breaking the
driver on fast peripherals.
1996-11-21 06:18:33 +00:00
Nate Williams
3d989d58d8 Fix UserConfig w/syscons.
The 'getchar' function in syscons (sccngetc) is used by UserConfig to
get keyboard input from the user.  When it was modified to use the
shared keyboard port routines it used the port passed in during the
probe routine.  Since the probe routine was not yet called, the port was
set to 0, which is obviously not going to work.

Pre-initialize sc_port to IO_KBD which is really a kludge, but it's how
the previous driver did it's job.

Found by:	remote GDB
1996-11-19 17:08:10 +00:00
David Greenman
5b73c1866a Fixed broken SIOCGIFADDR. It was copying out garbage as the ethernet
address.
1996-11-18 04:55:44 +00:00
David Greenman
9c7d26071e Fixed obsolete comment. 1996-11-18 02:45:46 +00:00
John Dyson
5b0a74089d Improve the locality of reference for variables in vm_page and
vm_kern by moving them from .bss to .data.  With this change,
there is a measurable perf improvement in fork/exec.
1996-11-17 02:38:31 +00:00
John Dyson
9970cd3721 Improve the caching of small files like directories, while not
substantially increasing buffer space.  Specifically, we double
the number of buffers, but allocate only half the amount of memory
per buffer.  Note that VDIR files aren't cached unless instantiated
in a buffer.  This will significantly improve caching.
1996-11-17 02:11:01 +00:00
Jordan K. Hubbard
a6c8c374a8 Commit AWE32 changes I forgot in my first round. Whoops! 1996-11-16 02:24:23 +00:00
Justin T. Gibbs
7595de5113 AHC_FORCE_PIO -> AHC_ALLOW_MEMIO 1996-11-16 01:19:50 +00:00
Justin T. Gibbs
74bb76f011 Be even more careful in how we manipulate the QOUTQCNT variable. Now we
do reset it from the QOUTCNT register inside a pause/unpause.  This now happens
once per command complete interrupt in the paging case (one interrupt can be
for multiple completed commands).  I may introduce a counter and do a lazy
update in the future, similar to what is done with the QINCNT.

Enhance the QUEUE FULL condition handling so that the number of openings will
be reduced.  This has become more important now that the driver is faster.
This code really belongs in the gerneric SCSI layer, as will be the case once
3.0 gets the code from the 'SCSI' branch.

Add some #if 0'd out trace code I've been using to help debug sequencer
problems.

Fix the SCB paging problem that I was seeing.  This was only on my 7850
controller and stems from the fact that its QINFIFO can only handle 3bit
SCB identifiers.  This means that you can only have 8 transactions open at
a time with the current paging scheme to these controllers.  The code added
to enforce this is generic in that it tests for the number of relevent bits
that the QINFIFO can store and adjusts the max accordingly.  It may be possible
to come up with a scheme that allows for more than 8 commands at a time, but
I don't know that it is worth the effort simply to fix a low end card.  The
aic7880 still can do 255.

This problem may be related to what Andrey was seeing since I don't have n
aic7770 rev E chip here to test on, but as soon as someone probes one of these
cards with this new code, the dmesg output will tell the whole story.
1996-11-16 01:19:14 +00:00
Justin T. Gibbs
11b5ea7239 Since there have been so many reports of the Memory Mapped I/O to the
aic7xxx cards failing on certain motherboards, reverse the logic used to
control this feature.  AHC_FORCE_PIO is replaced with AHC_ALLOW_MEMIO.
GENERIC no longer needs to specify the AHC_FORCE_PIO option since this is
the default.
1996-11-16 01:09:20 +00:00
Justin T. Gibbs
bde5245890 Assert that we have seen an identify or have not disconneccted since the
initial selection when entering the status phase.  This is the same assertion
we use for all the other data transfer phases.

Hopefully fix the hangs in the mesgin and mesgout phases that I introduced
last week during some code cleanup.  I need to get some of these 12MB/s
drives so I can reproduce these hangs here...

Add a pause disable in the SCB paging case around our manipulation of the
QOUTQCNT variable.  This is simply extra sanity.

Set LASTPHASE to P_BUSFREE once we see a busfree so that the kernel driver can
differentiate this from a data out phase.
1996-11-16 01:07:35 +00:00
Bruce Evans
f020427513 Disabled i586-optimized copyin and copyout. They usually panic if the
user supplies a bad address, because they push a lot of stuff that the
fault handler doesn't know about onto the stack.  This has been broken
for more than half a year despite being tested for almost half a year
in -current.
1996-11-15 20:27:14 +00:00
Bill Fenner
254de4ea96 Reword two messages:
duplicate ip address 204.162.228.7! sent from ethernet address: 08:00:20:09:7b:1d
changed to
arp: 08:00:20:09:7b:1d is using my IP address 204.162.228.7!

and

arp info overwritten for 204.162.228.2 by 08:00:20:09:7b:1d
changed to
arp: 204.162.228.2 moved from 08:00:20:07:b6:a0 to 08:00:20:09:7b:1d

I think the new wordings are more clear and could save some support
questions.
1996-11-15 18:50:31 +00:00
Jordan K. Hubbard
431995f177 This is the new AWE32 driver, with support for the AWE32's fancy MIDI
synthesizer.  The utilities for this will appear as port submissions soon
afterwards, according to the submitter.

Submitted-By: Randall Hopper <rhh@ct.picker.com>
Written-By: Takashi Iwai <iwai@dragon.mm.t.u-tokyo.ac.jp>
1996-11-15 18:36:25 +00:00
Jordan K. Hubbard
9be435aa17 Break my own rule again - I didn't think this stuff was going to come back
with the copyright stuff fixed so soon (this should be merged into 2.2 when
you have a chance, Poul).

This is the new AWE32 driver, with support for the AWE32's fancy MIDI
synthesizer.  The utilities for this will appear as port submissions soon
afterwards, according to the submitter.

Submitted-By: Randall Hopper <rhh@ct.picker.com>
Written-By: Takashi Iwai <iwai@dragon.mm.t.u-tokyo.ac.jp>
1996-11-15 18:35:35 +00:00
Nate Williams
5fa39f9bde Disable mouse acceleration by default to be the same as the previous
driver.
1996-11-15 17:30:29 +00:00
Garrett Wollman
d4e29514fc Patches from driver author in PR#2010.
Submitter requests that this patch be merged into 2.2.

Submitted by:	seki@sysrap.cs.fujitsu.co.jp
1996-11-15 16:15:56 +00:00
Garrett Wollman
f283fbcac1 Fix RFC 1650 stats... should have read the doco more carefully.
Fixes PR#2011

Submitted by:  seki@sysrap.cs.fujitsu.co.jp
1996-11-15 16:07:03 +00:00
Satoshi Asami
45ff627839 I'm not going to whine to Jordan anymore, since he seems to be busy with
the other two trees.  Bump RELDATE to Feb 1997, one greater than 2.2.
Now I can go update my porting.sgml.

NOT a 2.2 candidate, in case phk's wondering. :)
1996-11-15 09:19:22 +00:00
Jordan K. Hubbard
e1d2ff9f44 Change this back to movl for -current since it seems to work there.
Bruce says that movl is broken in -stable, which would certainly explain
why this didn't work there.
1996-11-15 09:00:56 +00:00
Søren Schmidt
73e0f79f04 Only poll the keyboard if the data left in the buffer is from the
kbd, not if its from the psm device.
1996-11-15 08:45:24 +00:00
Jordan K. Hubbard
3dc9f2bb59 Rename sb.h to sb_defs.h and pas.h to pas_defs.h so there's no
possibility of conflict with the versions in the compile dir.
1996-11-15 08:30:39 +00:00
Nate Williams
7e4de6f7c6 KNF'ify. 1996-11-15 06:22:48 +00:00
Nate Williams
cf3328ad27 KNF'ify and fix boo-boo I made in last commit. 1996-11-15 06:17:36 +00:00
Nate Williams
9b8322ec09 Removed 2.1-compatability code and made the debugging less verbose by
default.
1996-11-15 05:41:34 +00:00
Nate Williams
8fcd7d6f5b New PS/2 mouse drive which uses the new 'shared' keyboard/psm read
routines.  An older version of this was tested successfully on all of my
systems with PS/2 mice.  This was brought in without testing because it
is necessary due to the previously committed syscons changes.

Submitted by:	Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp>
1996-11-15 05:30:52 +00:00
Søren Schmidt
6a90d9750d Finally a start at sharing the kdb controller routines between
syscons and psm, curtesy Kazutaka Yokota with minor changes by
me. This contains an update of the psm driver as well.
This also fixes the breakage that I introduced to the psm driver by
making syscons poll for keyboard events in the atempt to fix the
hanging keyboard problem.

It works perfectly for me, and I'd like to hear from all that
have had keyboard/ps/2 mouse problems if this is the cure...

Submitted by:	 Kazutaka YOKOTA (yokota@zodiac.mech.utsunomiya-u.ac.jp)
1996-11-14 22:19:17 +00:00
Jordan K. Hubbard
6de3a3bb17 movl instruction should have been lea (this is why userconfig didn't
work in 2.1).

Spotted-by-the-keen-eyes-of: Don Lewis <Don.Lewis@tsc.tdk.com>
1996-11-14 15:55:21 +00:00
Jordan K. Hubbard
d5ca121e12 TRUE/FALSE are used even outside of VISUAL_USERCONFIG - move them accordingly.
Submitted-By: Don Lewis <Don.Lewis@tsc.tdk.com>
1996-11-14 13:57:23 +00:00
Satoshi Asami
7c219eac8f Some more updates.
wdreg.h: Delete wd_ctlr macro.  PC98 version of wd.c treats it as a
variable.

GENERIC98: Delete ep0 entry. Current ep driver write I/O port 0x100.
This clobbers ICW of i8259, because upper 8bits of address line is not
masked on mother board.

if_fe.c: Merge from revision 1.18 of sys/i386/isa/if_fe.c.

pc98.c: Globalize dmapageport, because SCSI driver use this
variable.

wd82371.c: Yet another merge.

These are 2.2 candidates.

Submitted by:	The FreeBSD(98) Development Team
1996-11-14 08:46:21 +00:00
Andrey A. Chernov
7dbff5bf98 Change WARNING line about SCB paging to:
# WARNING: with AHC_TAGENABLE set can be dangerous on Adaptec 2842
1996-11-13 22:50:32 +00:00
Bruce Evans
750059bbc5 Don't fiddle with RTS if RTS flow control is off. This gives applications
almost complete control over RTS (control of its initial value is still
missing).

This fixes PR 1644 for sio.

The author of PR 1644 wants it in 2.1.6 and 2.2.  This may be safe since
the complications are only in rarely used cases that I hope I've covered.
1996-11-13 18:31:57 +00:00
John Hay
0c064d6185 Oops I forgot to add the official id for this card. 1996-11-13 18:06:52 +00:00
Satoshi Asami
3c6350967c Another round of resync and some added sound support.
sys/pc98/i386/machdep.c: sync with i386/i386/machdep.c
sys/pc98/conf/options.pc98: sync with i386/conf/options.i386

sys/i386/isa/sound: DMA auto initialize mode support for PC98.
contributed by: Akio Morita <amorita@bird.scphys.kyoto-u.ac.jp>

Definite 2.2 material, I believe.

Submitted by:	The FreeBSD (98) Development Team
1996-11-13 02:00:17 +00:00
Julian Elischer
3f6f17ee1e Submitted by: Archie and me.
We encountered an interesting situation where the superblock for
a file system got written to disk with the "fs_fmod" flag set to
one. It appears that this flag is normally supposed to be cleared
during ffs_sync(), but we experienced a crash, or some other weird
occurrence that left it on the disk set to 1.

Later this partition was mounted read-only... and the fs_fmod
field was never cleared, causing ffs_sync() to panic "rofs mod"
when trying to unmount that filesystem (ffs_vfsops.c: line 790).

fix:
set this bit to 0 when you load the superblock from disk.
(see more complete mail on this to hackers)
1996-11-13 01:45:56 +00:00
Stefan Eßer
576b74fcc8 Add support for header type == 1 devices (PCI 2.1 compatible PCI to PCI
bridges with support for 64 bit memory addresses and 32 bit I/O addresses).

The code is not complete. It ignores the upper half of the long addresses.
This is not a problem on PC compatible systems, but has to be fixed for
real computers.
1996-11-12 23:18:12 +00:00
Stefan Eßer
c88529d0e9 Fix PCI to PCI bridge register bit field masks.
Thanks to "Mike Durian" <durian@plutotech.com> for the very good
problem report and his support as a beta tester of this patch.
1996-11-12 23:10:24 +00:00
Bruce Evans
b430a4f0ed Fixed buffer overflow for large values in editval(). The buffers were
one too small for (hex) 12345678 and 4 too small for -1234567890.  Large
values can be created by config and userconfig although not (previously)
by visual userconfig.

Fixed a sign extension bug for backspacing on "negative" hex values in
editval().

Increased field width and range for `flags' so that all possible values
can be displayed and edited.
1996-11-12 20:00:24 +00:00
Bruce Evans
a8c33fd1e8 Removed another #include of opt_temporary.h.
YA2.2C.
1996-11-12 14:54:16 +00:00
Bruce Evans
3c10da63aa Removed #include of "opt_temporary.h". All the temporary options went
away, so this header is no longer generated.

This change should be in 2.2.  The old version shouldn;t have been in
2.2 (blush).
1996-11-12 13:36:52 +00:00
Bruce Evans
0701aeede1 Added missing prototype for new function sbcreatecontrol().
Should be in 2.2.
1996-11-12 10:26:37 +00:00
Bruce Evans
ca5d5e7397 Forward-declare `struct inpcb' so that including this file doesn't cause
lots of warnings.

Should be in 2.2.   Previous version shouldn't have been in 2.2.
1996-11-12 10:02:09 +00:00
Bruce Evans
679f1a2242 Fixed spelling error in previous commit. This did not compile. 1996-11-12 09:51:16 +00:00
Bruce Evans
b83ddf9c86 Restored writability of kern.maxvnodes. It was broken a year ago in
rev.1.29 of kern_sysctl.c.

Should be in 2.2.
1996-11-12 09:24:31 +00:00
David Greenman
fda73cc59a Killed "unknown protocol" printf. 1996-11-12 08:43:32 +00:00
Andrey A. Chernov
8ba1fe211b Near AHC_SCBPAGING_ENABLE add following comment
# WARNING: can effectively kill your disks with some controllers
(I am the victim of -current kernel, inodes wiped completely)
1996-11-12 06:43:24 +00:00
Søren Schmidt
65e925d16f 1. Avoid a race in scclose(). tty.c has kludges so that the race is
actually harmless.

2. Fixed code to match comment in scintr().

3. Don't allow even root to take control of the machine when securelevel > 0.
   I've secured the accesses to PSL_IOPL in all drivers and asked pst to
   review it, but he seems to be busy.  Write access to /dev/kmem and
   other critival devices currently leaks across raisings of securelevel
   via open fd's, so there may as well be a similar leak for PSL_IOPL.

4. (Most important.)  Don't corrupt memory beyond the screen buffers if
   the cursor happens to be off the 80x25 screen when syscons starts.

5. Fix console cursor update (not perfect yet).
Submitted by:   bruce
~
1996-11-11 22:21:03 +00:00
Nate Williams
a7320980f6 Removed (now unused) XT_KEYBOARD option. 1996-11-11 22:04:31 +00:00
Nate Williams
6620cf7868 Removed 'XT_KEYBOARD' option from syscons. Document new-style way of
getting the same behavior using the flags, which can be done inside of
UserConfig.  (Also document other syscons flags which were previously
undocumented).

Requested by:	bde
1996-11-11 22:01:56 +00:00
Bruce Evans
1fe048505d Replaced I586_OPTIMIZED_BCOPY and I586_OPTIMIZED_BZERO with boot-time
negative-logic flags (flags 0x01 and 0x02 for npx0, defaulting to unset = on).
This changes the default from off to on.  The options have been in current
for several months with no problems reported.

Added a boot-time negative-logic flag for the old I5886_FAST_BCOPY option
which went away too soon (flag 0x04 for npx0, defaulting to unset = on).

Added a boot-time way to set the memory size (iosiz in config, iosize in
userconfig for npx0).

LINT:
Removed old options.  Documented npx0's flags and iosiz.

options.i386:
Removed old options.

identcpu.c:
Don't set the function pointers here.  Setting them has to be delayed
until after userconfig has had a chance to disable them and until after
a good npx0 has been detected.

machdep.c:
Use npx0's iosize instead of MAXMEM if it is nonzero.

support.s:
Added vectors and glue code for copyin() and copyout().
Fixed ifdefs for i586_bzero().
Added ifdefs for i586_bcopy().

npx.c:
Set the function pointers here.
Clear hw_float when an npx exists but is too broken to use.
Restored style from a year or three ago in npxattach().
1996-11-11 20:39:03 +00:00
Bruce Evans
f806e8f0f1 Fixed pessimized (short) i/o port type.
The change in if_epreg.h affects if_epreg.o and 3c5x9.o.

These changes are probably harmless, but I can't test them.
1996-11-11 17:11:08 +00:00
Bruce Evans
435b9481cd Fixed pessimized (short) i/o port types. 1996-11-11 16:32:43 +00:00
Bruce Evans
af01acf80b Fixed pessimized (short) i/o port type. 1996-11-11 15:57:40 +00:00
Bruce Evans
a400403a8c Turned off -W and -Winline so that the warnings that should be fixed for
2.2 are more obvious.  -Winline is unimportant, but -W gives thousands
of warnings for comparisions.  Turning off -W also loses warnings for:
- auto variables clobbered by longjmp.  Not much of a problem in the kernel.
- functions returning without a value.  I don't like losing this.
- an expression statement or the left side of a comma operand contains no
  side effects.  Turning this off also stops warnings for the low quality
  debugging macros in gsc.c and lpt.c.

Should be in 2.2.
1996-11-11 15:49:27 +00:00
Bruce Evans
11874b34bf Fixed pessimized (short) i/o port type.
Obtained from:	SCSI branch
1996-11-11 15:29:15 +00:00
Bruce Evans
6a32566a7d Preserve %esi and %edi for get_diskinfo(). See the logs for similar fixes
in bios.S.  I only fixed the case that is known to be broken here.

Should be in 2.2.
1996-11-11 14:27:12 +00:00
Jordan K. Hubbard
2b2fe33c89 Make snake 3.0-CURRENT here.
There's gotta be a better way of syncronizing our release numbers. :-)
1996-11-11 14:18:40 +00:00
Bruce Evans
2e2d9bc760 Preserve %esi and %edi for all BIOS calls. This is probably only necessary
for get_diskinfo(), whose BIOS call sets %es:%edi in some cases, although
most documentation says that it doesn't change %edi in the cases that
happened to matter (for hard disks).

This shall be in 2.1.6 and 2.2.

Submitted by:	Tor.Egge@idt.ntnu.no
		(except I kept the unnecessary preservation of %edx and %ecx)
1996-11-11 14:03:33 +00:00
Mike Smith
4f731c9f37 Update the database of known devices (people, please consider this when you
are adding new drivers...) to match, as best I can tell, majors.i386.

Improve behaviour when attempting to save changes for devices that should
 not be changeable.  Now correclty avoids non-device items, PCI devices and
 devices with no isa_device structure.

Submitted by:	(observations from) joerg, bde
1996-11-11 09:09:37 +00:00
Justin T. Gibbs
ea4f3c468a Clean up the memory mapped/Programmed I/O stuff so that the driver completely
uses one or the other.  This required some changes to the ahc_reset()
function, and how early the probes had to allocate their softc.

Turn the AHC_IN/OUT* macros into inline functions and lowercase their names
to indicate this change.  Geting AHC_OUTSB to work as a macro doing
conditional memory mapped I/O would have been too gross.

Be smart about the STPWEN control bit in SCFRCTL1.  It should only be set
if the low byte of the bus is to be terminated.  We figure this out either
by "caching" the value left over from the BIOS setup before we reset the card
or by using the values stored in the seeprom if it is availible.
1996-11-11 05:26:14 +00:00
Justin T. Gibbs
30136d82b2 Clean up the memory mapped/Programmed I/O stuff so that the driver completely
uses one or the other.  This required some changes to the ahc_reset()
function, and how early the probes had to allocate their softc.

Turn the AHC_IN/OUT* macros into inline functions and lowercase their names
to indicate this change.  Geting AHC_OUTSB to work as a macro doing
conditional memory mapped I/O would have been too gross.

Stop setting STPWEN in the main driver and let the PCI front end do it
instead.  It knows better.

Add the clearing of the QOUTQCNT variable during command complete processing
in the SCB paging case.

Go back to doing unconditional retries for the QUEUE FULL status condition.
This is really a kludge, but the code to handle it properly is on the SCSI
branch and will not make it into 2.2.
1996-11-11 05:24:46 +00:00
Justin T. Gibbs
e0582e6561 Clean up the memory mapped/Programmed I/O stuff so that the driver completely
uses one or the other.  This required some changes to the ahc_reset()
function, and how early the probes had to allocate their softc.

Turn the AHC_IN/OUT* macros into inline functions and lowercase their names
to indicate this change.  Geting AHC_OUTSB to work as a macro doing
conditional memory mapped I/O would have been too gross.
1996-11-11 05:21:27 +00:00
Justin T. Gibbs
6fb5e0fa28 Add the AHC_FORCE_PIO option.
Update comment on AHC_SCBPAGING_ENABLE since I think it works now.
1996-11-11 05:17:34 +00:00
Justin T. Gibbs
8220b8706a Fix two problems with SCB Paging.
1) get_free_or_disc_scb was not being passed its argument correctly
   in one case

2) Add protection in the form of the QOUTQCNT variable to prevent
   overflowing the QOUTFIFO.

This should make SCB Paging work.  Really, I mean it now. 8-)
1996-11-11 05:16:41 +00:00
Bill Fenner
82c23eba89 Add the IP_RECVIF socket option, which supplies a packet's incoming interface
using a sockaddr_dl.

Fix the other packet-information socket options (SO_TIMESTAMP, IP_RECVDSTADDR)
to work for multicast UDP and raw sockets as well.  (They previously only
worked for unicast UDP).
1996-11-11 04:56:32 +00:00
John Dyson
d22671dcce Support the PG_G flag on Pentium-Pro processors. This pretty
much eliminates the unnecessary unmapping of the kernel during
context switches and during invtlb...
1996-11-11 04:20:19 +00:00
Nate Williams
a973755bfa Allow us to enable the 'XT_KEYBOARD' code using a configuration flag.
This allows the user to add modify syscons's configuration flags using
UserConfig that will allow older/quirky hardware (most notably older IBM
ThinkPad laptops) to work with the standard boot kernel.

Inspired by:	The Nomads
1996-11-10 16:44:13 +00:00
David Greenman
d66e3876dd Put the packet error printf inside #ifdef DIAGNOSTIC. 1996-11-10 13:36:46 +00:00
Bill Fenner
39172c9401 Re-enable the TCP SYN-attack protection code. I was the one who didn't
understand the socket state flag.

2.2 candidate.
1996-11-10 07:37:24 +00:00
Bruce Evans
171ed8bf14 Fixed lookup of ".." in checkpath. It always failed, so renames of
directories to a different parent directory always failed.  This bug
was caused by 4.4Lite2 changing the directory format and ext2fs not
keeping up.

Should be in 2.2.
1996-11-09 10:25:04 +00:00
John Dyson
2cb544c3c9 Fix an ordering bug -- pmap_remove_pages should be called BEFORE
vm_map_remove, not after...

2.2-RELEASE candidate.
1996-11-09 03:54:25 +00:00
Masafumi Max NAKANE
1473a85114 Back out my previous change.
It probably broke the support for the device.

Pointed-Out by:	joerg
1996-11-09 02:44:11 +00:00
Satoshi Asami
6b2f48440f Re-sync with -current. Should be in 2.2.
Submitted by:	The FreeBSD(98) Development Team
1996-11-09 00:39:59 +00:00
Satoshi Asami
634e26af7a (1) Update
(2) Don't depend on BOOTSEG

(3) Change BOOTSEG from 0x9000 to 0x1000

Should be in 2.2.

Submitted by:	FreeBSD(98) Development Team
1996-11-09 00:18:25 +00:00
Stefan Eßer
e6f6908163 Only access the specific interrupt status registers if required.
This follows more closely the suggestions in the latest NCR docs, and has
been running on my system for weeks with no problem. It does improve the
quality of diagnostic messages and does allow to better understand the
sequence of events in case of an error.

This should go into 2.2 and 2.1.6.
1996-11-08 23:46:04 +00:00
Bruce Evans
68a9989171 Fixed spacefree calculation in ext2_direnter(). This bug sometimes caused
panics.

This should be in 2.2, of course.

Submitted by:	davidg
Obtained from:	bouyer@antioche.ibp.fr (Manuel BOUYER) (fix for NetBSD)
1996-11-08 19:06:34 +00:00
Bruce Evans
f886b4857a Removed gratuitous differences between ext2_readwrite.c and ufs_readwrite.c.
This fixes several bugs and one missing feature:
- cluster_read() was needlessly used for reading files of size exactly 1
  block.
- EFAULT errors for read didn't terminate the loop.  This was probably
  harmless.
- IO_VMIO handling was missing near line 275.  I don't know what this does.
- B_CLUSTEROK was only set if (doclusterwrite) nead line 293.  This was
  harmless, if only because another bug prevents doclusterwrite from being
  0.
- MNT_NOATIME wasn't implemented.

This should be in 2.2, of course.

Reviewed by:	davidg
1996-11-08 18:50:09 +00:00
Satoshi Asami
33c58c9f8f Remove option I586_FAST_BCOPY. The code will be included by default
if I586_CPU is defined.  Note there is a runtime check so the code
won't be run for non-Pentium CPUs anyway.

2.2 candidate, this code has been tested for almost half year in -current.
1996-11-08 02:38:44 +00:00
Masafumi Max NAKANE
9358777784 Typo, MATSHITA -> MATSUSHITA.
2.2 & 2.1.6 candidate.
1996-11-07 18:13:57 +00:00
Joerg Wunsch
1d6ccf9cd6 Fix the message buffer mapping. This actually allows to increase
the message buffer size in <sys/msgbuf.h>.

Reviewed by:	davidg,joerg
Submitted by:	bde
1996-11-07 14:44:01 +00:00
Justin T. Gibbs
ebcf5ea509 Bzero the kernel scb array after it is allocated otherwise the control byte
used on the first transaction on an SCB is indeterminate.

Spaces -> tabs.
1996-11-07 06:39:44 +00:00
Bruce Evans
94ca32a3f5 Don't switch from fast interrupt handlers to normal interrupt
handlers if interrupts are nested more than a few (3) deep.  This
only reduces the maximum nesting level by 1 with the standard
drivers unless there is a related bug somewhere, but can't hurt
much (the worst case is returning to hoggish interrupt handler like
wdintr(), but such interrupt handlers hurt anyway).

Fixed a previously harmless race incrementing the interrupt nesting
level.

This should be in 2.1.6 and 2.2.
1996-11-07 03:05:27 +00:00
Mike Smith
c06ec9a76b Add the 'piix' device, to get the right flags for it. This appears to
fix Joerg's freeze.

Definitely a 2.2 candidate.

Reviewed by:	joerg
1996-11-07 01:13:37 +00:00
Joerg Wunsch
83e9a3b6fc Fix the sequence at odopen() time so the driver actually notices if a
medium with another size is being inserted.  Right now, this case was
broken and led to a situation where a medium could only be replaced
with another one of the same size.

Closes PR #kern/1830: Can't mount optical disk...

Submitted by:	akiyama@kme.mei.co.jp (Shunsuke Akiyama)
1996-11-06 17:31:14 +00:00
Bruce Evans
a01024e023 Count only hardware interrupts in cnt.v_intr, so that the individual
hardware interrupt counts add up to the total.  Previously, software
interrupts generated by splz() were counted in the total.  These
software interrupts seem to be very rare - there have apparently been
0 of them on freefall among the last 352448857 interrupts.
1996-11-06 17:02:38 +00:00
Bruce Evans
aebd564631 Compile linux_genassym with the same options as genassym. ${PARAM} and
- were missingUKERNEL.  This was harmless until I declared the kernel's
main().
1996-11-06 15:13:41 +00:00
Bruce Evans
f5227a832c Compile genassym without -static (undo rev.1.20). The default can be
depended on now, and linux_genassym has depended on it for a long time.
1996-11-06 14:56:11 +00:00
Bruce Evans
11bfa65a0b Rewrote the COMMENT about the bogus options CHILD_MAX and OPEN_MAX. These
will be renamed.

Fixed comments about unsupported network protocols.

ncr0 is a controller, not a device.  This make no difference.

Added undocumented options DEVFS_ROOT, I586_CTR_GUPROF and I586_PMC_GUPROF.
Sorted undocumented options.
1996-11-06 14:52:20 +00:00
Joerg Wunsch
b99dd17277 Updates and bugfixes to the worm driver:
. also detect the Phlips CDD2000; it's software-compatible with the HP part

Submitted by:	cau@cc.gatech.edu (Carlos Ugarte)

. correct the blocksize handling for CD-DA tracks, and fix multitrack
  handling

Submitted by:	nsayer@quack.kfu.com (Nick Sayer)

2.2 candidates!
1996-11-06 13:33:53 +00:00
Doug Rabson
f438ae02f5 Improve the queuing algorithms used by NFS' asynchronous i/o. The
existing mechanism uses a global queue for some buffers and the
vp->b_dirtyblkhd queue for others.  This turns sequential writes into
randomly ordered writes to the server, affecting both read and write
performance.  The existing mechanism also copes badly with hung
servers, tending to block accesses to other servers when all the iods
are waiting for a hung server.

The new mechanism uses a queue for each mount point.  All asynchronous
i/o goes through this queue which preserves the ordering of requests.
A simple mechanism ensures that the iods are shared out fairly between
active mount points.  This removes the sysctl variable vfs.nfs.dwrite
since the new queueing mechanism removes the old delayed write code
completely.

This should go into the 2.2 branch.
1996-11-06 10:53:16 +00:00
Justin T. Gibbs
16da2fbab4 Update to changes in generic SCSI layer. 1996-11-05 09:20:08 +00:00
Justin T. Gibbs
ac323a042d A little 80 column cleanup. 1996-11-05 08:49:17 +00:00
Justin T. Gibbs
bee7495e7a Add missing parenthesis. That's what I get for having e different versions
of this driver in three different trees. <sigh>
1996-11-05 08:39:33 +00:00
David Greenman
e75838f701 Eliminate an unnecessary synchronous write (and an 8K bcopy+bzero) when
truncating/deleting large files.

Reviewed by:	mckusick, dyson
Submitted by:	Kirk McKusick <mckusick@mckusick.com>, modified for
		FreeBSD by me.
1996-11-05 08:19:40 +00:00
Justin T. Gibbs
a75528de6b Clean up some code having to do with the 398X cards. We can't rely on the
7810 being either the last of the first device to be probed, so use a counting
scheme instead to determine when one card ends and another begins.  There may
be a better way to do this by decoding the PCI tag, which I will investigate
later.

2.2 Candidate.
1996-11-05 07:59:28 +00:00
Justin T. Gibbs
bf850955ed Move the include opt_aic7xxx in aic7xxx.h so that all of the driver files get
it automatically.  The AHC_FORCE_PIO option wasn't having any effect because
the PCI probe code didn't include this file.

Fix some problems with the new sync and wide negotiation code.  First off,
go back to async transfers by using a message reject again.  The SCSI II and
III spec indicate that if a target's response to an initiater does not suit
(i.e. its too low), then performing a message reject is the appropriate
response.  If, on the other hand, the initiator begins the negotiation and
we want to go async, we will send back an SDTR message with a 0 period and
offset.

Also fix a really bad negotiation problem caused by a missing "break".  This
would usually hit people that had "smart" wide devices that immediately
attempt sync negotiation after a successful wide negotiation.

2.2 Candidate.
1996-11-05 07:57:29 +00:00
Justin T. Gibbs
775395aaac index_untagged_scb should rely solely on the argument passed in SINDEX and
not access SCB_TCL directly.  This could have caused problems on twin channel
adapters.

2.2 Candidate.
1996-11-05 07:51:29 +00:00
Mike Smith
0a9d630ea8 Protect against PCI devices which may have their 'changed' flag set,
or list items which may look like devices but which don't have an
isa_device structure attached to them.

This _shouldn't_ be possible, but it appears to have been
observed-by: Joerg
1996-11-05 05:52:36 +00:00
John Dyson
db2c0faa4c Vastly improved contigmalloc routine. It does not solve the
problem of allocating contiguous buffer memory in general, but
make it much more likely to work at boot-up time.  The best
chance for an LKM-type load of a sound driver is immediately
after the mount of the root filesystem.

This appears to work for a 64K allocation on an 8MB system.
1996-11-05 04:19:08 +00:00
Sujal Patel
e89054370f Add audio mixer ioctls.
Only writing to the mixer is implemented.
1996-11-05 02:04:37 +00:00
Guido van Rooij
b3ac88f13f New vx driver for:
3COM 3C590 Etherlink III PCI,
        3COM 3C595 Fast Etherlink PCI,
        3COM 3C592 Etherlink III EISA,
        3COM 3C590 Fast Etherlink EISA,
        3COM 3C900 Etherlink XL PCI and
        3COM 3C905 Fast Etherlink XL PCI.

This driver is based on OpenBSD's driver. I modified it to run under FreeBSd
and made it actually work usefully.
Afterwards, nao@tom-yam.or.jp (HAMADA Naoki) added EISA support as well as
early support for 3C900 Etherlink XL PCI and 3C905 Fast Etherlink XL PCI.
He also split up the driver in a bus independant and bus dependant parts.

Especially the 3c59X support should be pretty stable now.

Submitted by:	partly nao@tom-yam.or.jp (HAMADA Naoki)
Obtained from:partly OpenBSD
1996-11-04 22:17:20 +00:00
Søren Schmidt
10661203e7 Fix the hanging keyboard problem under Xaccel. Apprently we are loosing
an interrupt somewhere. The solution here is to check for keyboard
input each time the screen update timer ticks. Not pretty, but works.
1996-11-04 21:01:08 +00:00
Jeffrey Hsu
78769fbc6a struct mfsnode bloated in size by 12 bytes, so reduce spare padding by 3 longs.
We now only have 4 spare bytes before hitting the dreaded 32 byte threshold.
1996-11-04 20:53:02 +00:00
Bruce Evans
fd25850c96 Don't clobber max_ncyls, ending up guessing thetotal number of cylinders as
the number in the 4th slot.

Fixes PR 1893.

Should be in 2.1.5 and 2.2.
1996-11-04 17:40:43 +00:00
Bruce Evans
206e5b7e27 Fixed some races and misleading comments in ufs_rename().
1. When a directory is renamed to an existing (empty) directory,
it is possible for the target vnode to become the source vnode
underneath you (because another process may complete the same
rename).  It was assumed that this can't happen, and the bogus
errno EINVAL was returned.  This was fairly harmless.

Fix: return ENOENT instead, as if the source directory was renamed
a little earlier.

2. The same metamorphosis is possible for non-directories.  It was
assumed that this can't happen, and the code for handling "just
removing a link name" happened to be used.  This would have worked
except for fatal bugs in the link name removal - the link name was
assumed to still be there, and a null pointer was followed.

Fix: check the result of relookup().  This fixes PR 1930.

Notes:

(a) POSIX seems to say that removing link names shall have no effect.
BSD (4.4Lite2 at least) does something reasonable instead.

(b) The relookup() may find a file unrelated to the original.
Removing this isn't correct.  Consider 3 existing files A, B and
C, and concurrent renames: AB = rename(A, B), another AB, and
CA = rename("c", "a").  If rename() is atomic, then only the
following results are possible:

	AB, AB (fails), CA: A = original C, B = original A, C = gone
	AB, CA, AB:         A = gone,       B = original C, C = gone
	CA, AB, AB (fails): A = gone,       B = original C, C = gone

but ufs_rename() can give:

	A,AB,CA,B (sorta):  A = gone,       B = original A, C = gone

This usually doesn't matter, since getting into a race is usually
an error.
---

These fixes should be in 2.1.6 and 2.2.
1996-11-04 16:05:51 +00:00
Poul-Henning Kamp
50affa0e18 Set REVISION=3.0 and RELDATE=199701 1996-11-03 12:04:05 +00:00
John Dyson
5c2a644a47 Fix a problem with running down processes that have left wired
mappings with mlock.  This problem only occurred because of the
quick unmap code not respecting the wired-ness of pages in the
process.  In the future, we need to eliminate the dependency
intrinsic to the design of the code that wired pages actually
be mapped.  It is kind-of bogus not to have wired pages mapped,
but it is also a weakness for the code to fall flat because
of a missing page.

This show fix a problem that Tor Egge has been having, and also
should be included into 2.2-RELEASE.
1996-11-03 03:40:47 +00:00
Joerg Wunsch
bb6382fae2 Fix the broken EOF handling in the floppy driver. The most obvious
appearance of this bug was the malfunctioning -M option in GNU tar (it
worked only by explicitly specifying -L).

Reviewed by:	bde, and partially corrected accoring to his comments

Candidate for 2.2, IMHO even for 2.1.6.
1996-11-02 23:31:11 +00:00
Joerg Wunsch
4441bd4c1b Avoid touching the LEDs too early in the game. After the recent
changes to the keyboard code in pcvt, this update_led() very often
caused pcvt to hang early at boot time.

(Eventually, a better solution should be found, but the simple
omission serves well as a workaround for something that is actually a
show-stopper class problem.)

Candidate for 2.2.
1996-11-02 23:28:06 +00:00
Poul-Henning Kamp
59a95186d2 Fill in the bios-geometry array in struct bootinfo.
2.2 candidate.
1996-11-02 14:46:27 +00:00
Satoshi Asami
ce8ba0cdf6 The last update/merge of PC98 stuff before 2.2. The whole
pc98/pc98/sound directory has vanished now!

Submitted by:	FreeBSD(98) Development Team
1996-11-02 10:41:28 +00:00
Paul Traina
39daae723d add in CONSPEED option which controls console serial port speed 1996-11-02 02:26:06 +00:00
Paul Traina
7fe8c7a026 add in CONSPEED option 1996-11-02 02:25:22 +00:00
Paul Traina
6564e095d3 Rationalize support for serial consoles running at baud rates other than 9600
baud.  This isn't particularly beautiful, but neither is it disgustingly
gross.
1996-11-02 02:24:39 +00:00
John Hay
75c66a120a if_sr.c corrupted the global variable `ticks'.
Cosmetic changes:
if_sr_.c won't compile with a K&R compiler, so there is no need to cast
the timeout arg to the (wrong) type.
Submitted by:	bde
1996-10-31 20:22:40 +00:00
Andrey A. Chernov
edcfa07284 collate_range_cmp -> __collate_range_cmp 1996-10-31 04:32:27 +00:00
Julian Elischer
d13d3630fd Further improved version of hadling a HALT when there is no console. 1996-10-31 00:57:28 +00:00
Satoshi Asami
e30f001135 More merge and update.
(1) deleted #if 0

    pc98/pc98/mse.c

(2) hold per-unit I/O ports in ed_softc

    pc98/pc98/if_ed.c
    pc98/pc98/if_ed98.h

(3) merge more files by segregating changes into headers.

  new file (moved from pc98/pc98):

    i386/isa/aic_98.h

  deleted:

    well, it's already in the commit message so I won't repeat the
    long list here ;)

Submitted by:	The FreeBSD(98) Development Team
1996-10-30 22:41:46 +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
Poul-Henning Kamp
0cf34a4a5f Pass right arp to bpf_mtap(). 1996-10-30 08:50:26 +00:00
Peter Wemm
37bd2b301c Fix braino on my part. When we have three different port ranges (default,
"high" and "secure"), we can't use a single variable to track the most
recently used port in all three ranges.. :-]  This caused the next
transient port to be allocated from the start of the range more often than
it should.
1996-10-30 06:13:10 +00:00
John Dyson
d700038439 Fix a potential deadlock from the previous commit. 1996-10-30 03:52:57 +00:00
John Dyson
56673451a7 Fix the /proc/???/map file so that it is possible to read an arbitrarily
large process map.  Another commit will follow to fix a problem just found
during this one... Sorry!!! :-(.
1996-10-30 03:45:00 +00:00
John Dyson
851c12ff1d Change mmap to use OBJT_DEFAULT instead of OBJT_SWAP by default
for anonymous objects.  The system will automatically change the
type to SWAP if needed (for size or pageout reasons.)
1996-10-29 22:07:11 +00:00
Bruce Evans
61679f2ba2 Search for labels on all slices whenever any minor for a drive is opened.
If DEVFS is configured, create devfs devices for previously invisible
partitions on the slices.

Fixed an old aliasing bug which caused E=17 errors from DEVFS for
DIOCSDINFO when there were no real slices.
1996-10-29 13:15:30 +00:00
Satoshi Asami
4d2d765487 Another round of merge/updates.
(1) Add #ifdef PC98:

	sys/pc98/boot/biosboot/boot2.S

 (2) Fix bug that made it impossible to boot from sd's other than unit 0:
	sys/pc98/boot/biosboot/sys.c

 (3) Delete redundant $Id$:

	sys/pc98/pc98/clock.c (reject$B$5$l$k$+$b$7$l$J$$(B)

 (4) unt -> u_int:
	sys/pc98/pc98/if_ed.c

 (5) Add support for rebooting by the hot-key sequence:

	sys/pc98/pc98/kbdtables.h

 (6) Display now looks like PC/AT version:

	sys/pc98/pc98/npx.c

 (7) Change comment to match that of PC/AT version:

	sys/pc98/pc98/pc98.c

 (8) Add function prototypes:

	sys/pc98/pc98/pc98_machdep.c

 (9) Include PC98 headers:

	sys/pc98/pc98/sound/adlib_card.c
	sys/pc98/pc98/sound/audio.c
	sys/pc98/pc98/sound/dev_table.c
	sys/pc98/pc98/sound/dmabuf.c
	sys/pc98/pc98/sound/midi_synth.c
	sys/pc98/pc98/sound/midibuf.c
	sys/pc98/pc98/sound/opl3.c
	sys/pc98/pc98/sound/oatmgr.c
	sys/pc98/pc98/sound/sb16_dsp.c
	sys/pc98/pc98/sound/sb16_midi.c
	sys/pc98/pc98/sound/sb_card.c
	sys/pc98/pc98/sound/sb_dsp.c
	sys/pc98/pc98/sound/sb_midi.c
	sys/pc98/pc98/sound/sb_mixer.c
	sys/pc98/pc98/sound/sequencer.c
	sys/pc98/pc98/sound/sound_config.h
	sys/pc98/pc98/sound/sound_switch.c
	sys/pc98/pc98/sound/soundcard.c
	sys/pc98/pc98/sound/sys_timer.c

(10) Merge in PC98 changes:

	sys/i386/isa/sound/os.h

(11) Deleted as result of 9. and 10. above:

	sys/pc98/pc98/sound/ad1848_mixer.h
	sys/pc98/pc98/sound/aedsp16.c
	sys/pc98/pc98/sound/coproc.h
	sys/pc98/pc98/sound/finetune.h
	sys/pc98/pc98/sound/gus_hw.h
	sys/pc98/pc98/sound/gus_linearvol.h
	sys/pc98/pc98/sound/hex2hex.h
	sys/pc98/pc98/sound/mad16.h
	sys/pc98/pc98/sound/midi_ctrl.h
	sys/pc98/pc98/sound/midi_synth.h
	sys/pc98/pc98/sound/opl3.h
	sys/pc98/pc98/sound/os.h
	sys/pc98/pc98/sound/pas.h
	sys/pc98/pc98/sound/sb_mixer.h
	sys/pc98/pc98/sound/soundvers.h
	sys/pc98/pc98/sound/tuning.h

Submitted by:	The FreeBSD(98) Development Team
1996-10-29 08:37:02 +00:00
John Hay
ebcdcb982a Add support for the SDL RISCom N2pci cards. Bring in the enhancements
made to the Arnet driver.
1996-10-29 03:53:21 +00:00
John Hay
c2b3cc824d Remove some unnecessary code in the interrupt handler.
Check that a received packet isn't longer than MCLBYTES. This will
sometimes happen if a cable is plugged into or removed from a live
system.
Try to cater better for early receive interrupts.
1996-10-28 19:40:01 +00:00
John Hay
21b4a6992c A #define really don't need a ; at the end. 1996-10-28 19:35:37 +00:00
Warner Losh
ac1ad962f7 comaptibles->compatibles 1996-10-28 17:16:40 +00:00
Justin T. Gibbs
853925d190 In data_phase_reinit when I converted the code to use bcopy, I should have
used mvi instead of mov.  Luckily this code is most likely never executed
since it is only there for sanity should a target goes into the data phase
twice during a single selection or reselection.
1996-10-28 17:00:24 +00:00
Poul-Henning Kamp
7f6a56eff7 devfs_tree.c: improve our bdevvp() function.
devfs_vnops.c:	move a debug printf to be consistent.
1996-10-28 11:36:06 +00:00
Poul-Henning Kamp
19060a3ad9 init_main.c: pass -d to init if DEVFS_ROOT
kern_conf.c:	gd driver is a disk.
vfs_subr.c:	include opt_devfs.h
1996-10-28 11:34:57 +00:00
Poul-Henning Kamp
f22d3967da DEVFS_ROOT -> opt_devfs.h 1996-10-28 11:32:55 +00:00
Joerg Wunsch
72b53fbfa3 Kill _OLD_PATH_LOG. It's not needed. 1996-10-28 08:25:51 +00:00
Justin T. Gibbs
b36b7d853f Add basic support for the 398X cards as multi-channel SCSI host adapters.
This involves expanding the support of the SEEPROM routines to deal with
the larger SEEPROMs on these cards and providing a mechanism to share
SCB arrays between multiple controllers.

Most of the 398X support came from Dan Eischer.

ahc_data -> ahc_softc

Clean up some more type bogons I missed from the last pass.
1996-10-28 06:10:33 +00:00
Justin T. Gibbs
8c64b9a600 Add basic support for the 398X cards as multi-channel SCSI host adapters.
This involves expanding the support of the SEEPROM routines to deal with
the larger SEEPROMs on these cards and providing a mechanism to share
SCB arrays between multiple controllers.

Most of the 398X support came from Dan Eischer.

ahc_data -> ahc_softc

Clean up some more type bogons I missed from the last pass.

Be more clear when handing the NO_MATCH condition.  NO_MATCH can also
happen when the sequencer encounters an SCB we've asked to be aborted.
1996-10-28 06:10:02 +00:00
Justin T. Gibbs
2e92a4ad78 Add some code to allow SCB sharing for the 398X cards. This involves passing
an extra parameter to ahc_alloc.
1996-10-28 06:06:42 +00:00
Justin T. Gibbs
1affda38c1 Add two new aic7xxx driver options:
AHC_FORCE_PIO - This forces the driver to use PIO even on systems that
	say they have memory mapped the controller's registers.  This
	seems to fix Ken Lam's problems.  I've also placed this option
	in the GENERIC kernel file so that we are guaranteed to install
	even on these flakey machines.

AHC_SHARE_SCBS - This option attempts to share the external SCB SRAM on
	the 398X controllers allowing a totoll of 255 non-paged SCBs.
	This doesn't work quite yet, so this option is mostly here to
	help 398X owners to experiment and give me feedback until this
	works properly.
1996-10-28 06:05:58 +00:00
Justin T. Gibbs
85772b6529 Fix problems dealing with non-tagged devices when SCB paging is enabled.
Mostly this involved changing the semantics of the findSCB routine so that
it could be used at times other than handling a reconnection.
1996-10-28 06:01:08 +00:00
Poul-Henning Kamp
281cd9b020 The way we get a vnode for swapdev is not quite kosher. In particular
it breaks in the DEVFS_ROOT case.  replicate a bit too much of bdevvp()
in here to circumvent the problem.  The real problem is the magic that
lives in bdevsw[1].
1996-10-27 22:31:00 +00:00
Wolfram Schneider
510681905e Move static variable nextpid out from fork1(). Now top(1) can print
last pid value.
1996-10-27 13:29:22 +00:00
Søren Schmidt
66e7fce7ac Use the calibrated/adjustable i8254 frequency `timer_freq' instead of
TIMER_FREQ.

Fixed missing splx() in scrn_timer().  The bug was harmless because of the
undocumented behaviour that the ipl is automatically restored for timeout
functions (see softclock()).  Perhaps we should depend on this behaviour.

Fixed the ddb fix in rev.1.176.  The in_debugger flag was no use because
it only works when the debugger is entered via the keyboard hotkey.  The
debugger may be entered for breakpoints and traps, and the console putc
routine has no way of knowing when it was, so the console putc routine
must (almost?) always remove the cursor image.

Not fixed: console switching in ddb doesn't work (ISTR it working), and
console 0 shouldn't be switched to for the debugger hotkey unless console
0 is /dev/console.

Fixed side effects from calling add_keyboard_randomness() in the console
getc routine by not calling it.  add_keyboard_randomness() currently
always reenables interrupts on 386's and 486's.  This is very bad if the
console getc routine is called from the debugger and the debugger was
entered with interrupts disabled.

Fixed preservation of initial screen and now-bogus comment about it.  It
was broken by setting the initial scr_buf to `buffer' instead of Crtat.
`buffer' was full of nulls and the first scroll cleared everything above
the things written through syscons.

Submitted by:	bruce (bde@freebsd.org)
1996-10-26 20:16:58 +00:00
Bruce Evans
9272350657 Removed initialization of a variable that went away. Oops. 1996-10-26 00:11:57 +00:00
Bill Fenner
430d30d837 Don't allow reassembly to create packets bigger than IP_MAXPACKET, and count
attempts to do so.
Don't allow users to source packets bigger than IP_MAXPACKET.
Make UDP length and ipovly's protocol length unsigned short.

Reviewed by:	wollman
Submitted by:	(partly by) kml@nas.nasa.gov (Kevin Lahey)
1996-10-25 17:57:53 +00:00
Bruce Evans
484141f666 Declare pointers to signal handling functions in full instead of as
sig_t's so that <sys/signal.h> isn't a prerequisite.
1996-10-25 16:20:34 +00:00
Bruce Evans
9ef7d39520 Removed unused #includes.
Strength-reduced used #include.

Staticized pcaintr().

Fixed some style bugs.
1996-10-25 16:09:31 +00:00
Bruce Evans
9275c7cc3e Use macros from timmerreg.h instead of private ones.
Use global timer_freq instead of private TIMER_CLK.

Removed unused #includes.

Fixed some comments.
1996-10-25 14:00:47 +00:00
Bruce Evans
2d872b777d Print the clock calibration messages all on one (long) line again so
that they are easy to grep for.

Removed now-unused i586 counter variables.

Fixed some style bugs.
1996-10-25 13:46:21 +00:00
Bruce Evans
835bd1ce62 Improved biasing of i586 clock by adjusting for hardclock() latency.
I decided to do this for every hardclock() call instead of lazily
in microtime().  The lazy method is simpler but has more overhead
if microtime() is called a lot.

CPU_THISTICKLEN() is now a no-op and should probably go away.
Previously it did nothing directly but had the side effect of
setting i586_last_tick for CPU_CLOCKUPDATE() and i586_avg_tick for
debugging.  CPU_CLOCKUPDATE() now uses a better method and
i586_avg_tick is too much trouble to maintain.

Reduced nesting of #includes in the usual case.

Increased nesting of #includes when CLOCK_HAIR is defined.  This
is a kludge to get typedefs for inline functions only when the
inline functions are used.  Normally only kern_clock.c defines
this.  kern_clock.c can't include the i386 headers directly.

Removed unused LOCORE support.
1996-10-25 13:01:56 +00:00
Bruce Evans
22b9cd6f99 Removed #include of <machine/clock.h>. It is no longer used, and would
break when I remove LOCORE support from clock.h.
I586_CTR_MULTIPLIER_SHIFT = 32 from clock.h is actually still used, but
32 is so magic that it doesn't get used explicitly.
1996-10-25 12:26:19 +00:00
Bruce Evans
1471a79514 Unremoved used #include of <sys/systm.h> for the !GUPROF case. 1996-10-25 06:58:53 +00:00
Justin T. Gibbs
7491f60b54 - KNF cleanup.
- Add support for memory mapped I/O.
1996-10-25 06:43:10 +00:00
Justin T. Gibbs
df9ab5b30f - KNF cleanup.
- Add support for memory mapped I/O.
- Use DMA to get SCBs down to the adapters.
- Remove old paging code.
- Be much smarter about how we allocate SCB space.  The old, simple method
  wasted almost half a page per SCB. Ooops.
- Make command complete interrupt processing more efficient.
- Break the monolithic ahc_intr into sub-routines.  The sub-routines handle
  rare, special case events so the function call is not a penalty and the
  removal of the code from the main routine most likely improves performance
  instruction prefech will work better and less code is pushed into the cache.
- Never, ever allow tagged queueing if a device has disconnection disabled.
- Clean up and simplify timeout code.  Many of the changes are to handle the
  new DMA scheme.
1996-10-25 06:42:53 +00:00
Justin T. Gibbs
7c34df884c KNF cleanup.
Update to handle new arg to ahc_alloc.
1996-10-25 06:35:38 +00:00
Justin T. Gibbs
971791f48d Go back to using DMA to get SCBs down to the adapter.
SCB paging is now handled almost entirely by the sequencer and also uses
DMA.  This should make SCB paging at least an order of magnitude more
efficient and vastly simplifies the implementation.

Add a few space optimizations so this code still fits on aic7770 chips.

Update comments.
1996-10-25 06:34:59 +00:00
Søren Schmidt
d672246bcc Added a missing break, so all static bins would be missed :( 1996-10-24 19:13:00 +00:00
John Dyson
fcae040bc0 Remove a bogus optimization in the mmap code. It is superfluous,
and at best is the same speed as the unoptimized code.  At worst, it
slows down trivial programs.
1996-10-24 02:56:23 +00:00
John Dyson
c864a7c0a9 Fix setting breakpoints in shared regions. 1996-10-24 02:47:05 +00:00
Julian Elischer
36be1f6be9 Reviewed by: various (mailing list feedback)
Submitted by:	whistle communications

move the socket from /dev to /var/run by default
TRANSITIONALLY make syslog add a symlink..
I PROMISE I'll remove that as soon as I have the makefiles etc fixed as well.
1996-10-23 20:17:57 +00:00
Garrett Wollman
64682bc28a Give ip_len and ip_off more natural, unsigned types. 1996-10-23 18:35:50 +00:00
Andrey A. Chernov
3deeb59da9 GNU-style changes:
1) Rename FNM_ICASE to FNM_CASEFOLD
2) Add FNM_LEADING_DIR
Add proper (unsigned char) casts to tolower().
Use 'char' function argument for proper sign extension
1996-10-23 16:40:20 +00:00
Paul Traina
dcb21864dc Remove SC_KBD_PROBE_WORKS option and replace it with a simple run-time flag
bit (0x0008) in the sc driver configuration line.  This way it's easy to
boink a generic kernel.

Also, document and place in an opt_ file the #define's for overriding which
serial port is the system console.
Approved by:	sos
1996-10-23 07:29:44 +00:00
Satoshi Asami
4f3d818c12 Another round of merge.
(1) Bug fix (pass boot drive):

	pc98/boot/biosboot/boot2.S

(2) Delete code for unsupported high-resolution modes and move old
    Epson notebook code to epsonio.h:

  	pc98/boot/biosboot/io.c
	pc98/i386/vm_machdep.c
	pc98/pc98/fd.c
	pc98/pc98/pc98.c
	pc98/pc98/pc98.h
	pc98/pc98/epsonio.h (new)

(3) Change aic driver so that PCMCIA cards (I/O port same as PC/AT)
    and PC-9801-100 cards can be selected with a flag in kernel config
    file:

	pc98/pc98/aic6360.c
	pc98/pc98/aic_98.h (new)

(4) Fix wcd entry (it was broken).  Delete mcd, it doesn't work on
    98.  Change aic entry according to above:

	pc98/conf/GENERIC98

(5) Move pc98_machdep.c to top of files in pc98/pc98:

	pc98/conf/files.pc98

(6) Delete empty lines:

	pc98/i386/locore.s

(7) Fix (it didn't work if I586 was specified):

	pc98/pc98/clock.c

(8) Staticize:

	pc98/pc98/pc98_machdep.c

(9) Enable workaround for Cyrix bug for 5x86 also:

	pc98/i386/machdep.c
	pc98/i386/trap.c

All the above deletes this file too:

	pc98/i386/pmap.c

(phew!)
Submitted by:	The FreeBSD(98) Development Team
1996-10-23 07:25:35 +00:00
John Dyson
845c4ec464 Account for the UPAGES in the same way as before moving the MD code
from vm_glue into pmap.c.  Now RSS should appear to be the same as before.
1996-10-23 05:31:54 +00:00
Søren Schmidt
6713d4a747 Changed args to the nat functions. 1996-10-22 22:26:02 +00:00
Stefan Eßer
9ac309b8ce Definitions for ioctl() accesses to PCI config space registers.
Submitted by:	wollman
1996-10-22 20:33:19 +00:00
Stefan Eßer
10e966fae4 Add support for ioctl() accesses to PCI config space registers.
Garrett Wollman sent me this code a few weeks ago for review, and I made
some significant changes, which he in turn accepted ...

In order to make use of these changes, a device entry has to added to /dev.

Submitted by:	wollman
1996-10-22 20:20:14 +00:00
Poul-Henning Kamp
40060a90b9 close bin/1648 libmd not 64bit safe.
if something fails to compile now, you need to add #include <sys/types.h>

Partially Submitted by:	Jason Thorpe <thorpej@nas.nasa.gov>
1996-10-22 16:27:47 +00:00
Bill Fenner
a73356a1be Fix comments, which appear to have been mangled long ago and far away. 1996-10-21 23:05:57 +00:00
Nate Williams
bbabe47be8 When compiling with '-Wall -pedantic', the byte swapping macros gave the
following warning:
  warning: ANSI C forbids braced-groups within expressions

Adding __extension__ before the statement-expression seems to work right.

Submitted by:	bde (a *long* time ago)
1996-10-21 17:15:05 +00:00
Doug Rabson
425b5191a4 If a large (>4096 bytes) directory was modified, the old directory
contents are discarded, including the cached seek cookies.
Unfortunately, if the directory was larger than NFS_DIRBLKSIZ, then
this confused nfs_readdirrpc(), making it appear as if the directory
was truncated.

Reviewed by:	Karl Denninger <karl@Mcs.Net>
1996-10-21 10:07:52 +00:00
Alexander Langer
92579404e8 Fix signed/unsigned comparison warnings.
Reviewed by:	bde
1996-10-20 21:01:46 +00:00
Poul-Henning Kamp
bd7ea4dcfc Removing old isdn stuff. 1996-10-20 18:35:35 +00:00
Poul-Henning Kamp
494405d890 Removing old isdn stuff. 1996-10-20 18:24:17 +00:00
Poul-Henning Kamp
eca997a43f removing old isdn stuff. 1996-10-20 18:16:49 +00:00
Wolfram Schneider
95e4966c47 add flag FNM_ICASE for case insensitve search
Reviewed by: ache
1996-10-20 15:15:59 +00:00
Poul-Henning Kamp
8e774bbf9d Add four sysctl variables that joerg wanted. 1996-10-20 15:01:58 +00:00
Alexander Langer
af44ef0a2f Reword two comments. 1996-10-19 20:23:12 +00:00
David Greenman
8713ad7411 Kill unnecessary test in coredump() that wasn't removed in rev 1.19
when the check for P_SUGID was added.
1996-10-19 01:06:20 +00:00
Søren Schmidt
c070783c4b Changed mouse functionality a bit, now the pointer disappears if
there is keyboard input.
The mousepointer is shown again immediately if moved.

Also a function pointer used to install a userwritten extra
ioctl handler (sc_user_ioctl). This way its is possible to
install user defined videomodes etc etc. No further changes
should be in the kernel.
1996-10-18 18:51:37 +00:00
Jordan K. Hubbard
d0ec898db5 ns_nettype should be declared, not externed. 1996-10-18 15:59:25 +00:00
Jordan K. Hubbard
889eef6fca Add back line for options NS, though commented out for now until
Tony tells me what to do with the ns_nettype extern which is still
unresolved for this optioin.
1996-10-18 03:52:48 +00:00
Julian Elischer
24b3bdfe8d Just because something doesn't make sense doesn't mean it should be illegal..
just ignore it instead.
===================================================================
RCS file: /home/ncvs/src/sys/miscfs/devfs/devfs_vnops.c,v
retrieving revision 1.30
diff -r1.30 devfs_vnops.c
631d630
<           (vap->va_size != VNOVAL) || /* doesn't make sense in devfs */
1996-10-17 22:47:23 +00:00
Poul-Henning Kamp
81acf468e2 DKFL_MULTI lives in flags, not in status. 1996-10-17 21:18:42 +00:00
Bruce Evans
d6b9e17eb5 Improved non-statistical (GUPROF) profiling:
- use a more accurate and more efficient method of compensating for
  overheads.  The old method counted too much time against leaf
  functions.
- normally use the Pentium timestamp counter if available.
  On Pentiums, the times are now accurate to within a couple of cpu
  clock cycles per function call in the (unlikely) event that there
  are no cache misses in or caused by the profiling code.
- optionally use an arbitrary Pentium event counter if available.
- optionally regress to using the i8254 counter.
- scaled the i8254 counter by a factor of 128.  Now the i8254 counters
  overflow slightly faster than the TSC counters for a 150MHz Pentium :-)
  (after about 16 seconds).  This is to avoid fractional overheads.

files.i386:
permon.c temporarily has to be classified as a profiling-routine
because a couple of functions in it may be called from profiling code.

options.i386:
- I586_CTR_GUPROF is currently unused (oops).
- I586_PMC_GUPROF should be something like 0x70000 to enable (but not
  use unless prof_machdep.c is changed) support for Pentium event
  counters.  7 is a control mode and the counter number 0 is somewhere
  in the 0000 bits (see perfmon.h for the encoding).

profile.h:
- added declarations.
- cleaned up separation of user mode declarations.

prof_machdep.c:
Mostly clock-select changes.  The default clock can be changed by
editing kmem.  There should be a sysctl for this.

subr_prof.c:
- added copyright.
- calibrate overheads for the new method.
- documented new method.
- fixed races and and machine dependencies in start/stop code.

mcount.c:
Use the new overhead compensation method.

gmon.h:
- changed GPROF4 counter type from unsigned to int.  Oops, this should
  be machine-dependent and/or int32_t.
- reorganized overhead counters.

Submitted by:	Pentium event counter changes mostly by wollman
1996-10-17 19:32:31 +00:00
Jordan K. Hubbard
04d59a46c0 Bring back netns so that Netcon can take over support for it, as agreed.
This was actually easier than I thought - CVS is smart enough to handle
"resurrections" now. :-)
1996-10-17 18:42:33 +00:00
Jordan K. Hubbard
0082fb4657 I'm not sure why, but Netcon's TFS filesystem code doesn't want to
add free vnodes back to the freelist.  They must do their own vnode
management.  Anyway, this change is *only* activated with their filesystem
and doesn't affect anyone else.  Whoops, forgot the submitted-by lines
in my previous commits too.. :-(
Submitted-By: Tony Ardolino <tony@netcon.com>
1996-10-17 17:56:07 +00:00
Bruce Evans
b40a35f250 Added missing extern declaration of timer_freq.
Sorted declarations of scalars.
1996-10-17 17:31:25 +00:00
Jordan K. Hubbard
88e038fe4a Netcon's changes for their extended NS support. This only effects
people compiling with NS, so the effects on everyone else are nil.
1996-10-17 17:16:58 +00:00
Jordan K. Hubbard
17a6a9e3cc Some very small changes to support Netcon's TFS filesystem.
These patches were formerly applied by the Netcon installer
before rebuilding your kernel.
1996-10-17 17:12:04 +00:00
Nate Williams
b4c9d8eaf5 This patch attempts to make the pccard probe in if_ed.c work with
non-memory-mapped cards.

Submitted by:	Michael Smith <msmith@atrad.adelaide.edu.au>
Reviewed by:	phk,dg
1996-10-17 13:42:13 +00:00
John Dyson
402bcb9621 Fix a problem that could cause msync (or many other things) to deadlock.
The heuristic for managment of memory backing the buffer cache was
nice, but didn't work due to some architectural problems.  Simplify
and improve the algorithm.
1996-10-17 03:04:43 +00:00
John Dyson
a669a6e9a9 Make processes waken up eligible for immediate swap-in. 1996-10-17 02:58:20 +00:00
John Dyson
ad98052216 Clean up the rundown of the object backing a vnode. This should fix
NFS problems associated with forcible dismounts.
1996-10-17 02:49:35 +00:00
Julian Elischer
138e4d769c actually impliment permissions for teh chown/chmod/etc functions
that resemble what the man pages say.
also fix braino (type last week)
1996-10-16 23:14:00 +00:00
Søren Schmidt
717fb679ee Oops forgot to remove a debug printf. 1996-10-16 20:59:08 +00:00
Bruce Evans
ebd707d36a Fixed miscounting for non-statistical (GUPROF) profiling:
- use CROSSJUMP() and CROSSJUMP_LABEL() for conditional jumps from idle()
  into cpu_switch() and vice versa.
- moved badsw code to after cpu_switch().

Cosmetic changes:
- moved sw0 string to be immediately after its caller (badsw).
- removed unused #include.
1996-10-16 18:37:58 +00:00
Bruce Evans
435929a84b Added macros CROSSJUMP(), CROSSJUMP_LABEL() and GPROF_RET. These will
be used to fix some benign(?) bugs in GUPROF profiling.

Fixed stale comments and long lines.
1996-10-16 18:13:25 +00:00
Julian Elischer
336cf5014e Allow the utimes call to work on devfs nodes. 1996-10-16 18:02:53 +00:00
Søren Schmidt
ea5a2b2e00 Prepare kernel to take advantage of "branded" ELF binaries. 1996-10-16 17:51:08 +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
Søren Schmidt
b5ca878577 Corrected the setting of winsize on open().
Problem pointed out by David Nugent - davidn@blaze.net.au.
1996-10-15 20:27:07 +00:00
Garrett Wollman
67f7ea2d71 Preserve file flags in accept(2).
Submitted by: fredriks@mcs.com in PR#1775 (this implmentaion is different)
1996-10-15 19:28:44 +00:00
Bruce Evans
62c3734cbe Updated #includes to 4.4lite style. 1996-10-15 19:22:46 +00:00
Bruce Evans
aad9af2ba3 Removed nested include of <sys/proc.h> from <vm/vm_object.h> and fixed
the one place that depended on it.  wakeup() is now prototyped in
<sys/systm.h> so that it is normally visible.

Added nested include of <sys/queue.h> in <vm/vm_object.h>.  The queue
macros are a more fundamental prerequisite for <vm/vm_object.h> than
the wakeup prototype and previously happened to be included by
namespace pollution from <sys/proc.h> or elsewhere.
1996-10-15 18:24:34 +00:00
Bruce Evans
5e26bd9a05 Forward-declared `struct route' for the KERNEL case so that <net/route.h>
isn't a prerequisite.

Fixed style of ifdefs.
1996-10-15 16:54:47 +00:00
Bruce Evans
9e25bb3c6b Synchronized with biosboot/Makefile:
- use gcc-2.7.2 alignment features
- get CWARNFLAGS form <bsd.kern.mk>
- fixed whitespace differences.
1996-10-15 16:26:05 +00:00
John Dyson
675878e732 Move much of the machine dependent code from vm_glue.c into
pmap.c.  Along with the improved organization, small proc fork
performance is now about 5%-10% faster.
1996-10-15 03:16:45 +00:00
Bruce Evans
64a88efa64 Fixed setting of the keyboard LEDs. For some keyboards and/or keyboard
controllers, it is an error to issue a command before the keyboard
has had time to reply to the previous command.  Setting the LEDs
involves issueing 2 commands, so it never worked on these keyboards.

Fixed resetting of keyboard.  It is possible for unprocessed
scancodes to be present when the reset routine is called.  This
usually occurs after switching from one console driver to another
in userconfig.  pcvt and syscons attempt to flush any stale scancodes,
but sometimes fail to do so because keyboard and/or keyboard
controller takes a long time to send the scancodes after reset
(scancodes are apparently not flushed by reset!).  syscons handles
this later by not checking for errors at strategic places, but pcvt
was confused.

Use an impossible initial and failure mode setting for the LEDs
so that the LEDs always get set if they are possibly out of sync.

Added missing spltty() in update_led().
1996-10-14 21:44:05 +00:00
Jordan K. Hubbard
50019cb3c4 Change the boot-time menu. 1996-10-14 21:19:43 +00:00
Paul Traina
972a3f282a Expose the control mechanism for serial console boot so that the default
shipped with freebsd can be changed without modifying the Makefiles directly.

Creates:	BOOT_FORCE_COMCONSOLE
		BOOT_PROBE_KEYBOARD
		BOOT_PROBE_KEYBOARD_LOCK
		BOOT_COMCONSOLE			(port value for console)
1996-10-14 17:25:53 +00:00
David Greenman
a309908dc3 Fixed a bug that got introduced when I changed the CY16_RESET and
CY_CLEAR_INTR definitions. This might have affected probing of ISA
versions of the Cyclom 16/32-Y.
1996-10-14 16:43:11 +00:00
David Greenman
6fd560f670 Make this compile again for the CyDebug case. 1996-10-14 16:10:00 +00:00
Stefan Eßer
b86a81e448 pci_map_mem() did a too restrictive check on the mapping type:
PCI_MAP_MEMORY_TYPE_32BIT_1M should be accepted as well as
PCI_MAP_MEMORY_TYPE_32BIT (and now is).
(Problem reported by David Greenman.)
1996-10-14 13:04:34 +00:00
Bruce Evans
14c0bb7c89 Oops, PROBE_KEYBOARD_LOCK wasn't supposed to be enabled by default. 1996-10-14 12:37:47 +00:00
Stefan Eßer
b7ccd3dc56 Move the initialization of np->ns_sync and ns_async out of ncr_getclock(),
which does no longer get called for non-Ultra cards.
Fix suggested by Gerard Roudier, slightly modified by me.
1996-10-14 10:09:52 +00:00
Poul-Henning Kamp
18acc00c6d Remove some old compatibility names. 1996-10-13 14:36:37 +00:00
Poul-Henning Kamp
6704a50967 Stop using old compatibility names from buf.h 1996-10-13 14:36:06 +00:00
Poul-Henning Kamp
1111860c29 Remove a stale comment. 1996-10-13 07:16:50 +00:00
John Dyson
8de30f117f Pmap_resident_count was mistakenly removed from pmap.h, thereby
disabling the RSS listing in ps and ^T.  This commit re-inserts
the macro defn.
1996-10-13 03:14:57 +00:00
John Dyson
8f3a9a1b78 Minor optimization for final rundown of a pmap. 1996-10-13 01:38:37 +00:00
David Greenman
7a28c2a8cd Change DEVFS device naming convention for cuac*, ttyc*. 1996-10-13 01:30:32 +00:00
David Greenman
3010cd6550 Changes to add support for the PCI version of the Cyclades Cyclom-Y
serial adapter, and support for multiple Cyclom controllers.
1996-10-13 01:09:24 +00:00
Bruce Evans
ccb174975a Fixed lblktosize(). It overflowed at 2G. This bug only affected
ufs_read() and ufs_write().

Found by: looking at warnings for comparing the result of lblktosize()
(which is usually daddr_t = long) with file sizes (which are u_quad_t
for ufs).  File sizes should probably be off_t's to avoid warnings
when the are compared with file offsets, so the fixed lblktosize()
casts to off_t instead of u_quad_t.

Added definition of smalllblksize().  It is the same as the old
lblksize() and is more efficient for small block numbers on 32-bit
machines.

Use smalllblktosize() instead of its expansion in blksize() and
dblksize().  This keeps the line length short and makes it more
obvious that the shift can't overflow.
1996-10-12 22:12:51 +00:00
John Dyson
bdef8bf092 Undo a mistaken change from splhigh to splvm. Subr_rlist has been
capable of being used for things other than swap space allocation,
and splvm would have been appropriate for only swap space allocation
and other VM things.  My commit broke that (and was actually a mistake.)
1996-10-12 21:37:59 +00:00
John Dyson
9d3fbbb5f4 Performance optimizations. One of which was meant to go in before the
previous snap.  Specifically, kern_exit and kern_exec now makes a
call into the pmap module to do a very fast removal of pages from the
address space.  Additionally, the pmap module now updates the PG_MAPPED
and PG_WRITABLE flags.  This is an optional optimization, but helpful
on the X86.
1996-10-12 21:35:25 +00:00
Bruce Evans
da2186afa3 Cleaned up:
- fixed a sloppy common-style declaration.
- removed an unused macro.
- moved once-used macros to the one file where they are used.
- removed unused forward struct declarations.
- removed __pure.
- declared inline functions as inline in their prototype as well
  as in theire definition (gcc unfortunately allows the prototype
  to be inconsistent).
- staticized.
1996-10-12 20:36:15 +00:00
Bruce Evans
8ba0c490a9 Removed __pure's and __pure2's. __pure is a no-op for recent versions
of gcc by definition, and __pure2 is a no-op in effect (presumably the
compiler can see when an inline function has no side effects).
1996-10-12 20:09:48 +00:00
Bruce Evans
4458ac71b1 Removed nested include if <sys/socket.h> from <net/if.h> and
<net/if_arp.h> and fixed the things that depended on it.  The nested
include just allowed unportable programs to compile and made my
simple #include checking program report that networking code doesn't
need to include <sys/socket.h>.
1996-10-12 19:49:43 +00:00
Alexander Langer
bfcffdaf03 Log the interface name which received the packet.
Suggested by:	Hal Snyder <hsndyer@thoughtport.com>
1996-10-12 19:38:50 +00:00
Bruce Evans
e07fd62c16 Staticized `nfs_dwrite'. 1996-10-12 17:39:39 +00:00
Bruce Evans
71f4712b50 Staticized. Things exported by linker sets should always be static. 1996-10-12 17:34:25 +00:00
Stefan Eßer
bdf9734704 Fix previous commit: The INB/OUTB macros require np->vaddr to be
initialized, or a kernel panic will occur.

Submitted by:	Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
1996-10-12 17:33:48 +00:00
Bruce Evans
bcb2e44399 Moved declarations of tsleep() and wakeup() from proc.h to systm.h so
that proc.h doesn't have to be included so often.
1996-10-12 16:11:58 +00:00
Bruce Evans
2dab355e6b Removed verbose comment about `securelevel'. It just duplicated part
of init.8 except for bugs and anachronisms.
1996-10-12 15:54:04 +00:00
Julian Elischer
1737b9d383 reads and writes to devices update m and a times
add some security onn the chmod/chown operations
should now be root or owner
(still needs more thought but kinda-plugs tow holes pointed out by bde)
1996-10-12 00:07:53 +00:00
Stefan Eßer
20bc4c3ac1 Improve support of SCSI cards based on the 53c860 and 53c875.
Still no support for Ultra-SCSI and other new features, but the code
should now correctly initialize the clock pre-scaler (based on freqency
measurement results, if necessary).

Fix support of 16 targets for WIDE SCSI.

Disable bus reset in case no progress is made for too long ("ncr dead"
message), which did not work too well with scanners and other slow devices.
1996-10-11 19:50:12 +00:00
Paul Traina
a51764a8bf Fix two bugs I accidently put into the syn code at the last minute
(yes I had tested the hell out of this).

I've also temporarily disabled the code so that it behaves as it previously
did (tail drop's the syns) pending discussion with fenner about some socket
state flags that I don't fully understand.

Submitted by:	fenner
1996-10-11 19:26:42 +00:00
Garrett Wollman
a3af8d44a3 Add primitive link MIB support. 1996-10-11 18:40:48 +00:00
Garrett Wollman
f5b7ed3e67 Implement the RFC 1650 MIB. 1996-10-11 15:19:23 +00:00
Jordan K. Hubbard
05c7537241 Yikes! This must have fallen in with a mass-commit by mistake.
Put RELEASE back.
Pointed-out-by: peter
1996-10-11 14:35:10 +00:00
Doug Rabson
f31dba4c5d This fixes a problem with the nfs socket handling code which happens
if a single process is performing a large number of requests (in this
case writing a large file).  The writing process could monopolise the
recieve lock and prevent any other processes from recieving their
replies.

It also adds a new sysctl variable 'vfs.nfs.dwrite' which controls the
behaviour which originally pointed out the problem.  When a process
writes to a file over NFS, it usually arranges for another process
(the 'iod') to perform the request.  If no iods are available, then it
turns the write into a 'delayed write' which is later picked up by the
next iod to do a write request for that file.  This can cause that
particular iod to do a disproportionate number of requests from a
single process which can harm performance on some NFS servers.  The
alternative is to perform the write synchronously in the context of
the original writing process if no iod is avaiable for asynchronous
writing.

The 'delayed write' behaviour is selected when vfs.nfs.dwrite=1 and
the non-delayed behaviour is selected when vfs.nfs.dwrite=0.  The
default is vfs.nfs.dwrite=1; if many people tell me that performance
is better if vfs.nfs.dwrite=0 then I will change the default.

Submitted by:	Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
1996-10-11 10:15:33 +00:00
John Dyson
f2c832d788 Mostly some fixes from bde to start support for ASYNC I/O (SIGIO).
Submitted by:	bde
1996-10-11 02:27:30 +00:00
Poul-Henning Kamp
932b06fca5 Added a bdev and cdev for "geometry disk", my generic disk geometry subsystem.
I really wish somebody would complete DEVFS :-(
1996-10-10 20:41:13 +00:00
Garrett Wollman
4f02305016 Implement the 802.3 MIB in a way that uses the generic interface
defined in if_mib.h.
1996-10-10 19:44:10 +00:00
Bruce Evans
a0ea75ecbd Don't include "opt_cpu.h" in <machine/clock.h>, since this breaks lkm's.
The change breaks kern_clock.c; fix that temporarily by including
"opt_cpu.h" there.
1996-10-10 10:25:26 +00:00
Bruce Evans
10c84befd7 Added missing include of "opt_cpu.h". I missed it because PERFMON
features are used without testing for i586 features that they depend
on.  Configuring option PERFMON without configuring a suitable cpu
still doesn't fail right.
1996-10-10 10:18:48 +00:00