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for it.
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which got limited to at most two tries 26 years ago for the 2.3 release,
but the documentation was never updated to match this change. Do it now.
Reported by Nir Lichtman on tech@
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picked the old name when introducing this field.
Reminded by mpi@
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CLKF_INTR properly.
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The spice^Wkernel must flow^Wbuild.
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build test and ok miod@
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mcount.c, in the same way that -fno-ret-protector is set (because
the default ret-protector is an "always" generator). This change
ensures there is never a stack protector prologue/epilogue in the
functions in that file, no matter what stack protector selection
algorithm is in play.
ok kettenis guenther
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ok deraadt@ miod@ krw@
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The addition of HZ to sys/kernel.h in v1.26 overrides the default
definition of HZ in sh/clock.c, changing landisk from HZ=64 to HZ=100.
Explicitly set HZ=64 in the GENERIC and RAMDISK config(8) files to can
change it from 100 back to 64.
Not sure if this is the best thing, but it does fix the problem.
Problem confirmed by, and fix tested by, miod@.
ok miod@
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only compile tty-related code (stty command, tty variable) on platforms
where it makes sense for the boot loader to control it, rather than the
PROM/firmware/whatever.
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is ELF" world. Eliminate use of them in landisk code.
ok deraadt@
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ok mpi@ millert@
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flavour for xxboot, due to its size constraints.
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Previously for __cpu_simple_lock parts. Now only hppa and m88k use
__cpu_simple_lock (and hppa uses atomic.h for it).
ok miod@ visa@
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OK miod@ mpi@
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/usr/mdec/mbr. Make the partition table all zeros and
see if any hidden uses fall out.
ok deraadt@
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ok mpi@
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jmc@ dislikes a comma before "then" in a conditional, so leave those
untouched.
ok jmc@
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this file
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API implemented is a deadend.
OK akoshibe@ yasuoka@ deraadt@ kn@ patrick@ sthen@
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O_RDONLY rather using 0
ok beck
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keyboard is a pseudo device which is used to expose audio and
application launch keys. My prime motivation is to get the volume mute,
increment and decrement keys to just work on my keyboard without the
need to use usbhidaction(1).
Looks reasonable to kettenis@ mpi@ and ok jcs@
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exposing battery sensors for HID++ 2.0 devices. Most of the code is
derived from the hid-logitech-hidpp Linux driver.
Thanks to Ville Valkonen <weezeldinga at gmail dot com> for testing.
ok mglocker@
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SMALL_KERNEL specific variations.
ok espie jsg
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This includes ujoy_hid_is_collection() to work around limitations of
hid_is_collection() until this can be combined without fallout.
input, testing with 8bitdo controller, and ok brynet@
PS4 controller testing, fix for hid_is_collection, and ok mglocker@
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At a minimum, amd64/i386 should now boot from 4TB GPT formatted disks.
More daddr32_t terminations with extreme prejudice to follow.
Tested by various, in snaps for a few days.
ok deraadt@
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This diff exposes parts of clock_gettime(2) and gettimeofday(2) to
userland via libc eliberating processes from the need for a context
switch everytime they want to count the passage of time.
If a timecounter clock can be exposed to userland than it needs to set
its tc_user member to a non-zero value. Tested with one or multiple
counters per architecture.
The timing data is shared through a pointer found in the new ELF
auxiliary vector AUX_openbsd_timekeep containing timehands information
that is frequently updated by the kernel.
Timing differences between the last kernel update and the current time
are adjusted in userland by the tc_get_timecount() function inside the
MD usertc.c file.
This permits a much more responsive environment, quite visible in
browsers, office programs and gaming (apparently one is are able to fly
in Minecraft now).
Tested by robert@, sthen@, naddy@, kmos@, phessler@, and many others!
OK from at least kettenis@, cheloha@, naddy@, sthen@
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"looks right" deraadt@
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functionality is provided by <sys/stdarg.h> using compiler builtins.
Tested in a ports bulk build on amd64 by naddy@
OK naddy@ mpi@
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rnd.c uses nanotime to get access to some bits that change quickly
between events that it can mix into the entropy pool. it doesn't
use nanotime to get a monotonically increasing set or ordered and
accurate timestamps, it just wants something with bits that change.
there's been discussions for years about letting rnd use a clock
that's super fast to read, but not necessarily accurate, but it
wasn't until recently that i figured out it wasn't interested in
time at all, so things like keeping a fast clock coherent between
cpu cores or correct according to ntp is unecessary. this means we
can just let rnd read the cycle counters on cpus and things will
be fine. cpus with cycle counters that vary in their speed and
arent kept consistent between cores may even be desirable in this
context.
so this is the first step in converting rnd.c to reading cycle
counter. it copies the nanotime backend to each arch, and they can
replace it with something MD as a second step later on.
djm@ suggested rnd_messybytes, but we landed on cpu_rnd_messybits.
thanks to visa for his eyes.
ok deraadt@ visa@
deraadt@ says he will help handle any MD fallout that occurs.
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Nothing uses the header anymore.
OK deraadt@ mpi@
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since the bootxx needs to interpret the fs metadata and it has
very little spare room. We could make two version of xxboot, but
that's hardly worth the trouble.
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i was lazy and just put them at the end of the existing set. fyi,
i think major 51 is free on all archs if anyone is looking for
another one.
ok claudio@
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The design is fairly simple: events, in the form of descriptors on a
ring, are being produced in any kernel context and being consumed by
a userland process reading /dev/dt.
Code and hooks are all guarded under '#if NDT > 0' so this commit
shouldn't introduce any change as long as dt(4) is disable in GENERIC.
ok kettenis@, visa@, jasper@, deraadt@
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Document the new feature in boot(8) man page.
OK jmc@ deraadt@
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While FIDO/U2F keys were already supported by the generic uhid(4)
driver, this driver adds the first step to tighten the security of
FIDO/U2F access. Specifically, users don't need read/write access to
all USB/HID devices anymore and the driver also improves integration
with pledge(2) and unveil(2): It is pledge-friendly because it doesn't
require any ioctls to discover the device and unveil-friendly because
it uses a single /dev/fido/* directory for its device nodes.
It also allows to support FIDO/U2F in firefox without further
weakening the "sandbox" of the browser. Firefox does not have a
proper privsep design and many operations, such as U2F access, are
handled directly by the main process. This means that the browser's
"fat" main process needs direct read/write access to all USB HID
devices, at least on other operating systems. With fido(4) we can
support security keys in Firefox under OpenBSD without such a
compromise.
With this change, libfido2 stops using the ioctl to query the device
vendor/product and just assumes "OpenBSD" "fido(4)" instead. The
ioctl is still supported but there was no benefit in obtaining the
vendor product or name; it also allows to use libfido2 under pledge.
With feedback from deraadt@ and many others
OK kettenis@ djm@ and jmc@ for the manpage bits
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inspect the memory layout that the firmware has created. It is
especially useful for UEFI debugging.
OK deraadt@ kettenis@
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retguard and similar when profiling. However, that missed all the .S files,
as ${PROF} wasn't added when ${NORMAL_S} was converted from direct invocation
of ${AS} to instead use ${CC}. Similarly, mcount.o still had retguards
as it cannot be built with -pg. So: pass ${PROF} when compiling .S files,
and compile "no profiling" files with -fno-ret-protector on archs with
retguard.
feedback and ok mpi@ mortimer@
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section, which has grown a fair bit with the introduction of retguard.
Mortimer discovered the repeated 512-byte sequence as retguard keys, and
this resolves the issue. (Chacha does not fit on the media, so 1.5K early
drop RC4 is hopefully sufficient in our KARL link universe)
Version crank the bootblocks. sysupgrade -s will install new bootblocks.
ok djm mortimer
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