| Commit message (Collapse) | Author | Age | Files | Lines |
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Obtained from: Stevens, vol. 2, exercise 29.5 (solution p. 1090)
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Obtained from: Stevens, vol. 2, exercise 23.4 (solution p. 1083)
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Obtained from: Stevens, vol. 2, p. 1010
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code.
Obtained from: Stevens, vol. 2, pp. 959-960
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for us.
Obtained from: Stevens, vol. 2, p. 774
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shouldn't cause a panic.
Obtained from: Stevens, vol. 2, p. 667
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timeval incorrectly, truncating the usec part.
Obtained from: Stevens vol. 2 p. 548
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Submitted by: Lars Fredriksen
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completeness.
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UGEN STOP IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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a different config file for it.
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before isa_configure() in autoconf.c:
ncr_intr() protected by splbio()/splx()
Submitted by: wolf
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It's 22:00 here,utility still to come(hopefully tomorrow
morning..)
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when ttselect() is improved. This requires using an array of tty structs
and not using ttymalloc().
Fix an off by 1 error. Some caclulations seem to be off by a factor
of NCY. NCY defaults to 16, which gives 256 tty structs occupying
0xd000 bytes. The minor number encoding only allows 16 ttys.
Update the types of timeout functions to 2.0.
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- Overflow now calculated right
- Close works ok,does not looses tty
- Better overflow handling now the snooping stops
on overflow,but programm notified and can reconnect if
it want to..Default maximal buffer set to 664 K and this
is probably too much..:)))
Utility still to come
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Restore fixes to flushing that were lost in the previous commit.
Clean up snoop changes.
Add my TODO list from 1.1.5. The improvements in 1.1.5 should be "obtained"
first.
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The whole COW section of vm_mmap() should be rewritten; the current
implementation is highly convoluted.
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I committed this! ;-(
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tape drive. I traced it to sys/scsi/scsi_base.c where some code were added
to print the return values of the sense command. My tape drive returned a
extended flags value of 0x20, so the key that is the lower 4 bits, is 0.
The code uses "key-1" to index into a table and then the kernel go to never-
never land.
Here is a fix for this. Will somebody please apply it?
Submitted by: John Hay
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bogus code! And besides, Poul's doing this already.. It's just that
fixing compiler warnings is sort of like eating potato chips.. :-)
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stuff I should have caught earlier.
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It boots FreeBSD from a running MS-DOS system.
It's compiled using some MS-DOS tools, but there is a binary
hidden in the uuencoded file. (Go ahead, flame me if you can come up
with a solution for the problem. Just saying "this is bad" doesn't count!)
Rod, you were right: one would have to deal with weird interfaces to the
memory managers, and it seems that Christian found them all, and made them
work.
Thanks Christian!
Reviewed by: phk
Submitted by: DI. Christian Gusenbauer <cg@fimp01.fim.uni-linz.ac.at>
Christians README:
------------------
Hi Everybody!
This is version 1.5 of "fbsdboot", a program that allows you to boot a kernel
from a MS-DOS partition or a FreeBSD partition. This program runs using DOS.
It works with various memory managers (like EMM386, 386MAX) under certain
circumstances.
First, a FreeBSD kernel is always loaded to memory starting at 0x100000. To
assure that loading the kernel *does not* overwrite memory used by memory
managers, high memory for the kernel is allocated and after loading the kernel
it's moved to 0x100000.
Second, there are many ways to switch to protected mode which is necessary to
start the kernel. Each BIOS gives you the possibility to use INT15H (AH=89H)
to do that. But some memory-managers like 386max does not allow you to use
this method.
An other way to do the switch is to use DPMI services, but they do not
guarantee, that the protected mode application is executed with privilege
level 0. Therefore this method is *not* used.
VCPI services offer another way to switch to protected mode, and VCPI servers
are built into "emm386.exe", "386max" and "qemm". That's why, this method is
implemented in fbsdboot.exe.
Fbsdboot.exe tries to switch to protected mode using VCPI services. If they're
not available INT15H is used to do the switch. If that fails, it's not possible
for this version of fbsdboot.exe to boot a kernel :-(.
You can get commandline options of fbsdboot if you start it with "-?" as option!
I don't know, if fbsdboot works with QEMM, as I don't have the possibility to
test it.
Enjoy and have fun!
Christian.
cg@fimp01.fim.uni-linz.ac.at
PS: Many thanks to Bruce Evans for his assistance!
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machine/pmap.h.
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Submitted by: Rich
Make conditionals on BIOSWAIT consistent with usage in io.c.
If you had 'BOOTWAIT=0' in your /etc/make.conf then biosboot wouldn't
compile. It was '#if' in io.c and '#ifdef' in probe_keyboard.c so I
changed the latter to '#if'.
Even if BOOTWAIT is undefined then '#if BOOTWAIT' becomes
'#if 0' so it should compile either way with this change.
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Submitted by: John Dyson
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Submitted by: John Dyson
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make NFS servers flakey - probably the cause of freefall's recent hangs.
Submitted by: John Dyson
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New config option "NCR_IOMAPPED" makes the driver use port I/O.
Put back in 53c815 defines, submitted by Mikael Hybsch <micke@dynas.se>.
These had got lost between cvs rev. 1.14 and now ...
pci.c:
Really write config space register.
Assign ports starting at 0xbc00.
Submitted by: wolf
Reviewed by: se
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expiration timer of anything which would expire later than that. (There
should be a way to call this from ip_sysctl() as well, but there currently
isn't.)
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high load:
1) If there ever get to be more than net.inet.ip.rtmaxcache entries
in the cache, in_rtqtimo() will reduce net.inet.ip.rtexpire by
1/3 and do another round, unles net.inet.ip.rtexpire is less than
net.inet.ip.rtminexpire, and never more than once in ten minutes
(rtq_timeout).
2) If net.inet.ip.rtexpire is set to zero, don't bother to cache
anything.
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Submitted by: wolf@kintaro.cologne.de <Wolfgang Stanglmeier>
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includes look right until we get a chance to fix the rest of this.
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