based on the HD64570 chip. Both the 1 and 2 port cards is supported.
Line speeds of up to 2Mbps is possible. At this speed about 95% of the
bandwidth is usable with 486DX processors.
The standard FreeBSD sppp code is used for the link level layer. The
default protocol used is PPP. The Cisco HDLC protocol can be used by
adding "link2" to the ifconfig line in /etc/sysconfig or where ever
ifconfig is run.
At the moment only the X.21 interface is tested. The others may need
tweaks to the clock selection code.
Testing with the high frequency of 20000 Hz (to find problems) only found
the problem that this frequency is too high for slow i386's.
Disable interrupts while setting the timer frequency. This was unnecessary
before rev.1.57 and forgotten in rev.1.57. The critical (i8254) interrupts
are disabled in another way at boot time but not in the sysctl to change
the frequency.
Fixed profiling of system times. It was pre-4.4Lite and didn't support
statclocks. System times were too small by a factor of 8.
Handle deferred profiling ticks the 4.4Lite way: use addupc_task() instead
of addupc(). Call addupc_task() directly instead of using the ADDUPC()
macro.
Removed vestigial support for PROFTIMER.
switch.s:
Removed addupc().
resourcevar.h:
Removed ADDUPC() and declarations of addupc().
cpu.h:
Updated a comment. i386's never were tahoe's, and the deferred profiling
tick became (possibly) multiple ticks in 4.4Lite.
Obtained from: mostly from NetBSD
multiplication in addupc() overflowed for addresses >= 256K, assuming
the usual profil(2) scale parameter of 0x8000. addupc() will go away
soon.
Submitted by: John Polstra <jdp@polstra.com>
via an ioctl (MOUSE_ACTION).
Fixed a couple of bugs (destructive cursor, uncut, jitter).
Now applications can use the mouse via the MOUSE_MODE ioctl, its
possible to have a signal sent on mouseevents, makeing an event loop
in the application take over mouseevents.
things tend to work better if you write the settings to the correct
register.. (*blush*). This subtle bug has been haunting me for ages, and
will solve a few problems that have been reported to me.
Also, take a shot at fixing the serial BREAK processing, what was there
before never really worked. (There is a PR on this I think)
Real support for a Textmode mousecursor, works by reprogramming the
charset. Together with this support for cut&paste in text mode.
To use it a userland daemon is needed (moused), which provides
the interface to the various mice protokols.
Bug fixes here and there, all known PR's closed by this update.
is only used by the icu support modules and by a few drivers that know
too much about the icu (most only use it to convert `n' to `IRQn'). isa.h
is only used by ioconf.c and by a few drivers that know too much about
isa addresses (a few have to, because config is deficient).
to match (pc98/random_machdep.c probably requires a similar change). This
is a problem area for the PC98 merge - all PC98 ifdefs in <machine/*.h> are
kludges to work around incorrect layering.
Original version by John Hay.
Simplified timestamp code by reading the time exactly when necessary.
This may slow down the interrupt handler with extra calls to microtime(),
but only in bad configurations - the input fifo should normally be
disabled if timestamps on input are being used, since otherwise the
timestamp won't be precisely associated with any particular input event.
The interrupt handler remains slowed down by one test and branch for
each input (and now DCD change) event - avoiding this is not practical
yet.
The simplifications also fixed:
- timestamps for input sometimes being clobbered by output and modem
status interrupts.
- valid timestamps not being available unless the port is configured with
vector siointrts. siointrts no longer exists.
- compiler warnings about siointr* in some configurations.
Simplified timestamp and probe code by depending on recent changes in
microtime() and DELAY() to preserve the interrupt enable flag.
enable flag instead of enable_intr() to restore it to its usual state.
getit() is only called from DELAY() so there is no point in optimising
its speed (this wasn't so clear when it was extern), and using
enable_intr() made it inconvenient to call DELAY() from probes that need
to run with interrupts disabled.
instead of sti to it restore to its usual state. pushfl/popfl is
actually faster in protected mode on Pentiums (4+3 cycles instead of 9),
and using sti made it extremely inconvenient to call microtime() from
fast interrupt handlers. pushfl/popfl is a couple of cycles slower than
sti on 486's and a couple more cycles slower on 386's, but the relative
cost of using it is not large since microtime() has to use slow i/o
instructions on the old cpus.
1) Make it much less likely to miss a wakeup in vm_page_free_wakeup
2) Create a new entry point into pmap: pmap_ts_referenced, eliminates
the need to scan the pv lists twice in many cases. Perhaps there
is alot more to do here to work on minimizing pv list manipulation
3) Minor improvements to vm_pageout including the use of pmap_ts_ref.
4) Major changes and code improvement to pmap. This code has had
several serious bugs in page table page manipulation. In order
to simplify the problem, and hopefully solve it for once and all,
page table pages are no longer "managed" with the pv list stuff.
Page table pages are only (mapped and held/wired) or
(free and unused) now. Page table pages are never inactive,
active or cached. These changes have probably fixed the
hold count problems, but if they haven't, then the code is
simpler anyway for future bugfixing.
5) The pmap code has been sorely in need of re-organization, and I
have taken a first (of probably many) steps. Please tell me
if you have any ideas.
parameters to printf() using the "D" format. (Why this even worked on
my box during testing I don't know, but as soon as I powered it on/off
it quite working.)
using the existing files using the existing PCCARD support. Now that
this is in place I would like to fixup the PCCARD hooks and remove the
if_zp driver. At this point, we support everything we used to support
*AND MORE* with the PCCARD code.
Submitted by: Naoki Hamada <nao@sbl.cl.nec.co.jp> (via the Nomad release)
[ This works on both my 3C589B and 3C589C ]
My 3C509B-COMBO works fine with the following patch. Switching between
UTP and BNC is quite easy. (Just type 'ifconfig ep0 link1 -link2' or 'ifconifg
ep0 link2 -link1'.)
[ I tested this with the additional PC-CARD patches and it works on both
connectors on my 3C589B and 3C589C ]
Reviewed by: nate
Submitted by: Naoki Hamada <nao@sbl.cl.nec.co.jp>
All new code is "#ifdef PC98"ed so this should make no difference to
PC/AT (and its clones) users.
Ok'd by: core
Submitted by: FreeBSD(98) development team
It is called from copyin and copyout.
The new routine is conditioned on I586_CPU and I586_FAST_BCOPY, so you
need
options "I586_FAST_BCOPY"
(quotes essenstial) in your kernel config file.
Also, if you have other kernel types configured in your kernel, an
additional check to make sure it is running on a Pentium is inserted.
(It is not clear why it doesn't help on P6s, it may be just that the
Orion chipset doesn't prefetch as efficiently as Tritons and friends.)
Bruce can now hack this away. :)
Smart Capture Card is a kind of video capture card, PCMCIA type II,
and made by IBM Japan co.. Unfortunately, it is sold in Japan now.
The device driver is working on the latest pccard-test package by
Tatsumi HOSOKAWA and bsd-nomads. Some applications are also working.
For example, xscc is a video moniter client on X-window, vic-2.7b2 is
a video conference tool.
We have a contract with IBM Japan. From the contract, we cannot release
the source code exept the permit of IBM Japan. But I think they will
permit us in few weeks.
Reviewed by: phk
Requested by: ohashi@mickey.ai.kyutech.ac.jp (Takeshi OHASHI)
mode when this occurs and allow the target to complete the transaction.
Force a retry on overruns since they are usually caused by termination or
cable problems.
sometimes already been released at the time pcaclose() is called, but
this is now prevented from deadlocking by checking for a running timer
at the start of pca_wait().
At least, i can now play xboing again with pcaudio, this used to hang
the entire system previously within a few seconds.
is conditionalized by the INCLUDE_CONFIG_FILE option in your kernel config
file and is not turned on by default.
Submitted-By: Bill Pechter <pechter@shell.monmouth.com>
when compiled with -DDIAGNOSTIC. Almost all significant SCO binaries
I've run call an unsupported function and run correctly. Given that
they aren't needed, the messages only clutter up the logfiles and
console.
alias `pcb_cr3' instead. That is still one alias too many, but is convenient
for me since I've replaced the tss in the pcb by a few scalar variables in
the pcb.
altfmt was abused to sometimes screw up the disassembly of the bytes
following unconditional jump instructions. Gas doesn't pad to a longword
boundary like the comment said - that is the programmer's responsibility.
wdp_fixedcyl) gives it directly. wdp_removedcyl is "reserved" except
in ancient ATA-1 drafts and shouldn't be added. This fixes PR 1288.
Changed some fields and comments in struct wdparams to match a less-
ancient ATA draft.
Fixed bit number for `rdy' in status string.
gcc only inlines memcpy()'s whose count is constant and didn't inline
these. I want memcpy() in the kernel go away so that it's obvious that
it doesn't need to be optimized. Now it is only used for one struct
copy in si.c.
queue in vm_fault.
Move the PG_BUSY in vm_fault to the correct place.
Remove redundant/unnecessary code in pmap.c.
Properly block on rundown of page table pages, if they are busy.
I think that the VM system is in pretty good shape now, and the following
individuals (among others, in no particular order) have helped with this
recent bunch of bugs, thanks! If I left anyone out, I apologize!
Stephen McKay, Stephen Hocking, Eric J. Chet, Dan O'Brien, James Raynard,
Marc Fournier.
name (ie; strip off the domain). Given a hostname 'fooey.bar.com', the
previous code returned a system name of 'fooey.ba', instead of the more
correct 'fooey'. SCO uses 'uname' for many things, including some of
it's socket code so this patch is necessary for running certain legacy
SCO apps. :)
A variant of this code has been running on my box for 2 months now.
some problems with the page-table page management code, since it can't
deal with the notion of page-table pages being paged out or in transit.
Also, clean up some stylistic issues per some suggestions from
Stephen McKay.
process during pmap_copy. This minimizes unnecessary swapping or creation of
swap space. If there is a hold_count flaw for page-table
pages, clear the page before freeing it to lessen the chance of a system
crash -- this is a robustness thing only, NOT a fix.
close some windows that are opened up by page table allocations. The
prefaulting code no longer uses hold counts, but now uses the busy
flag for synchronization.
before clearing the SELTO interrupt. We used to do this in the past, but
this outb got lost.
Turn ATN on ourselves as appropriate during a parity error instead of relying
on ENAUTOATNP.
Don't use a loop in RESTART_SEQUENCER. Its not necessary.
ansi and traditional cpp.
The nesting rules of macros are different, which required some changes.
Use __CONCAT(x,y) instead of /**/.
Redo some comments to use /* */ rather than "# comment" because the ansi
cpp cares about those, and also cares about quote matching.
cc -c -x assembler-with-cpp -o file.o file.s.
This means that any cpp fatal errors will now be detected, as well as
running *.s files through an ansi cpp instead of a traditional cpp.
(fixes to allow *.s to compile under both ansi and traditional to follow)
queue corruption problems, and to apply Gary Palmer's code cleanups.
David Greenman helped with these problems also. There is still
a hang problem using X in small memory machines.
to be allocated at boot time. This is an expensive option, as they
consume physical ram and are not pageable etc. In certain situations,
this kind of option is quite useful, especially for news servers that
access a large number of directories at random and torture the name cache.
Defining 5000 or 10000 extra vnodes should cut down the amount of vnode
recycling somewhat, which should allow better name and directory caching
etc.
This is a "your mileage may vary" option, with no real indication of
what works best for your machine except trial and error. Too many will
cost you ram that you could otherwise use for disk buffers etc.
This is based on something John Dyson mentioned to me a while ago.
