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implementation. For the moment only the BUS_DMA_NOCACHE macro is required
to build drm on macppc but it will be used soon.
ok kettenis@
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MI float.h which pulls in and defines the values that are needed from
there, and repair sys/limits.h so that it defines the values it needs
as well (depending on POSIX version, XPG version, etc). guenther has
a more exact selection of that coming for limits.h.
this also fixes a few mistakes for the vax.
reviewed by kettenis and guenther.
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uint64_t, depending upon the platform; this makes the declaration of these
types consistent accross all our supported platform, and we do not intend
to support a platform where bus_addr_t could be larger than the size of the
cpu register. Requested by deraadt@ during s2k11
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filled in. Move D_CLONE down to 0x0001 as suggested by thib.
ok deraadt thib
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The new world order of pmemrange makes this data completely redundant
(being dealt with by the pmemrange constraints instead). Remove all code
that messes with the freelist.
While touching every caller of uvm_page_physload() anyway, add the flags
argument to all callers (all but one is 0 and that one already used
PHYSLOAD_DEVICE) and remove the macro magic to allow callers to continue
without it.
Should shrink the code a bit, as well.
matthew@ pointed out some mistakes i'd made.
``freelist death, I like. Ok.' ariane@
`I agree with the general direction, go ahead and i'll fix any fallout
shortly'' miod@ (68k 88k and vax i could not check would build)
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found on some G4 PowerBook.
Tested by many, thanks.
ok sthen@, kettenis@, miod@
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- add nearbyint, nearbyintf and nearbyintl implemented using fenv
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(interrupt was not for me), 1 (positive interrupt was for me), or -1
(i am not sure...). We have continued with this practice in as many
drivers as possible, throughout the tree.
This makes some of the architectures use that information in their
interrupt handler calling code -- if 1 is returned (and we know
this specific machine does not have edge-shared interrupts), we
finish servicing other possible handlers on the same pin. If the
interrupt pin remains asserted (from a different device), we will
end up back in the interrupt servicing code of course... but this is
cheaper than calling all the chained interrupts on a pin.
This does of course count on shared level interrupts being properly
sorted by IPL.
There have been some concerns about starvation of drivers which
incorrectly return 1. Those drivers should be hunted down so that
they return -1.
ok drahn
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Discussed and okay drahn@. Okay deraadt@.
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ok miod@ drahn@ kettenis@
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its better as a per arch MD define anyway. all default to MAXDSIZ as before.
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first name is used, and remove any #define foo_region foo compatibility
defines.
Also, on sparc64, do not provide a `raw' version of bus_space_copy.
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ok miod@
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macppc was left unchanged by mistake.
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Tested by myself, sthen, oga, kettenis, and jasper.
Input from sthen and jasper.
ok kettenis
(Manpage follows shortly.)
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provide and use BUS_SPACE_BARRIER_xxx.
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bus_space_alloc() as a bitmask of flags, and not a boolean controlling
cacheability; and make sure the three MI BUS_SPACE_MAP_xxx values documented
in the manual page are defined on all platforms as well.
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of the bus_space_tag_t it contains; an upcoming implementation will need
to know the rbus_tag_t for which it works at this point.
All callers updated accordingly; no functional change intended.
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been found and corrected.
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other BUS_DMA_xxx flag names, and nothing uses it.
ok many@
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Saves every damned driver calling bzero(), and continues the M_ZERO,
PR_ZERO symmetry.
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APM_IOC_{SUSPEND,STANDBY}_REQ: This is to fix an issue with apm suspend
where a call to zzz suspended the machine immediately, not giving anyone
listening for apm events (other than apmd) a chance to deal with the
upcoming change. This hit X hard since the introduction of drm, since it
needs to have time to idle the 3d engine and otherwise get the device
into a recoverable state. Such things are needed until we support
modesetting in the kernel.
Now, instead of forcing a suspend, using ioctl sends out an event similar
to if you had put the lid down, giving all userland applications a
chance to reply.
tested by sthen@ and beck@, especial thanks to sthen for sitting there
while I tried to debug this remotely, I owe him beer.
Prompted by and ok deraadt@
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there
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ok miod@
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blocking specific interrupts. Needs signficant testing to prove that
one remaining elusive bug has been squashed.
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parameter and returns an aligned random load address for position
independent executables to use. This also adds three new vmparam.h
defines to specify the maximum address, minimum address and minimum
allowed alignment for uvm_map_pie() to use. The PIE address range
for i386 was carefully selected to work well within the i386 W^X
framework.
With much help and feedback from weingart@.
okay weingart@, miod@, kettenis@, drahn@
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Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code that NetBSD has claimed for itself without attributing to the
actual authors.
OK deraadt@
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ok drahn@ gwk@
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needs the few MD definitions they (sometimes) provide; only binutils is
interested in them, but binutils provide their own include files for that
purpose anyway.
ok deraadt@ kettenis@
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ok drahn@
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code. At this moment all architectures get the copy of the old code
except i386 which gets a new shiny implementation that doesn't spin
at splhigh (doh!) and doesn't try to grab the biglock when releasing
the biglock (double doh!).
Shaves 10% of system time during kernel compile and might solve a few
bugs as a bonus.
Other architectures coming shortly.
miod@ deraadt@ ok
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ok miod@, deraadt@
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cpu_disklabel can go away, since nothing anymore needs to use it; ok miod
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and making it look a lot more like other architectures; tested by
myself and drahn and gwk
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to support hotplug media on most architectures. disklabel setup and
verification done using new helper functions. Disklabels must *always*
have a correct checksum now. Same code paths are used to learn on-disk
location disklabels, to avoid new errors sneaking in. Tested on almost all
cases, testing help from todd, kettenis, krw, otto, dlg, robert, gwk, drahn
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exposed to userland, protect with _KERNEL. Tested by Antoine Jacoutot
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deraadt@.
"reads right" deraadt@
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MULTIPROCESSOR. From now on sprg0 holds a pointer to struct cpuinfo, which
is used to spill registers to during trap instead of the globals we used to
use for that purpose. Bits and pieces from NetBSD. Help from drahn@ and art@.
Tested by xsa@, thib@, miod@, gwk@, deraadt@.
ok drahn@, gwk@
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rt and such; tested and ok miod drahn
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operating on as bytes, not as the number of words or dwords.
ok drahn@ kettenis@
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