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General huzzahs.
"go for it" deraadt@
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declarations
everywhere
this will probably also need to be done on other arm arch'es
ok jsing@
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which contains the constraints for DMA/memory allocation for each
architecture, and dma_constraints which contains the range of addresses
that are dma accessable by the system.
This is based on ariane@'s physcontig diff, with lots of bugfixes and
additions the following additions by my self:
Introduce a new function pool_set_constraints() which sets the address
range for which we allocate pages for the pool from, this is now used
for the mbuf/mbuf cluster pools to keep them dma accessible.
The !direct archs no longer stuff pages into the kernel object in
uvm_km_getpage_pla but rather do a pmap_extract() in uvm_km_putpages.
Tested heavily by my self on i386, amd64 and sparc64. Some tests on
alpha and SGI.
"commit it" beck, art, oga, deraadt
"i like the diff" deraadt
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does not have to deal with it as a common. Some platforms may be missed
by this commit... if you spot one, fix it the same way.
ok miod
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share the driver with different GPIOs/IRQs Diff from marex via jasper.
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prefer binutils-compatible options in STRIPFLAGS (now that our non-binutils
strip(1) can handle them too)
ok drahn; miod kettenis (for parts)
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a fat kernel (GERERIC or GENERIC.MP) into a temporary dir, then extract some
variables using make -V, and after some more singing and dancing use this
full and (more) correct list of files with ctags. Don't read this code.
ok guenther
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to genassym.sh
ok deraadt
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the differences between these files. You will need a newer config(8) binary
to be able to build kernels.
ok kettenis miod
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result: kernels built without 'make depend'-provided information
(ie. the .depend file) are more likely to have their *.[Ss] file
compilations track changes to *.h files.
The "*.o: assym.h" dependencies listed are gotten from reading the
.depend output --- from the biggest kernel possible (ie. GENERIC.MP).
When an architecture changes in a substantial way (new .[sS] files),
the list should be updated in the prettiest way possible.
This is not encouraging people to skip 'make depend'; other issues are
not resolved and may be solved later with a change guenther is working
on. You can still screwed really easily, so continue running make
depend as config tells you.
Idea from a discussion with drahn
ok drahn, kettenis likes the idea too
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idea that came out of discussion with drahn
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delete the archaic links: target which is easily misused
handle special .[sS] files in a portable way
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ok various people, tested by fewer people, tested by me on 15.
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Makefile.* files
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INCLUDE= common.
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but required for gcc4.
ok kettenis@ deraadt@ marco@, log2 suggested by robert@
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arm Makefiles a substantial step forward
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two directories. in reality, because of how we place files, it has four:
.../arch/A, .../arch/A/A, .../arch/M, and .../arch/M/M
formalize this A/A and M/M scheme directly in the Makefiles, which makes
them a lot more similar
drahn likes the idea a lot
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arch and machine dependent files (and add the missing files)
ok miod drahn
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ok miod drahn
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ok miod
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fallback definition in <sys/sched.h>, so that there is no hidden include
ordering requirement between <machine/intr.h> and <sys/sched.h>.
ok deraadt@ tedu@
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like it is everything.h
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When we hit suspend time, go through all wsdisplays on the system. if
they are in mode MAPPED, but not MODE_DUMBFB then if possible do a full
vt switch to a !mapped vt, and prevent switching back until resume time.
This has to be called from MD code because this involves userland
running so that X can run the vt switch signal handler. This way, any
case where we are using the "poke registers from userland" model, we
will not be on the hardware when we go down, so the kernel can actually
handle thing properly.
Tested on several acpi laptops (by kettenis@ and ian@), x40 (me and
beck@ at LEAST) and zaurus (me). Maybe others, but if so I forgot who at
this time..
Idea from deraadt somewhere over the Faroe Islands (I thought of a
similar thing myself a while ago). Much prompting from him. Ok and
comments miod@
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Much prodding from deraadt.
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ok drahn@
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ok jsing@, miod@
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bsd) unless some other object has changed. Rebuild and reinstall
in /usr/src/usr.sbin/config/ after updating!
"I like it" deraadt@
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OK drahn@
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a few arches where toolchain limitations apply) will embed some symbolic
information about the various structs used within the kernel, and have
new ddb commands allowing struct display and some useful information
gathering. Kernel rodata increase varies accross platforms from ~150KB to
~300KB.
This option is not enabled by default.
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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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Sure deraadt@
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ok robert@
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IPL_SOFTSERIAL to IPL_SOFTTTY.
tested by oga@
ok miod@
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between instances, saving space in the kernel. feedback from many (some
incorporated, some left for future work).
ok deraadt, kettenis, "why not" miod.
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run(4) has been reported to work on sparc64 by Maxim Belooussov so I'm
pretty confident that it works on all arches.
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What happened was that the output of mkdep was fed to a sed expression
that trimmed a bit more than required and also failed to work when
attempting to do make depend with pcc.
Example:
genassym_c.o: /tmp/genassym.whatever ../../../../../sys/param.h \
was changed to:
assym.h: \
but what was intended was:
assym.h: ../../../../../sys/param.h \
For the pcc -M output things were a bit different and after the make
depend the genassym entry would still remain and make would fail. This
affected all platforms except amd64 and sgi.
Okay miod@.
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