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referenced since some sources include <machine/param.h>.
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If the port has __AUDIO_BLK_MS in <machine/param.h>, it will be used.
Otherwise the default value (currently 10 msec) defined in audio.c will
be used. This mechanism is for very old ports which cannot satisfactorily
handle 10 msec block. Currently hppa, m68k, sh3, sparc(!64) and vax are.
For port maintainers, if general models in your port cannot satisfactorily
handle 10 msec block, please consider to define your suitable longer period
(40 msec would be a good first choice).
But please don't be eager to make the default value shorter.
<machine/param.h> was discussed in source-changes-d. It's better than
ifdef storm, or adding 60+ new header files in every arch/*/include/
directories for this. Thanks mrg@, ad@, and everyone.
http://mail-index.netbsd.org/source-changes-d/2020/05/01/msg012572.html
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This did not do what I thought it did. opt_diagnostic.h is only for
the unused _DIAGNOSTIC, which seems like an abortive attempt to
incrementally convert DIAGNOSTIC to an opt_*.h option rather than a
command-line option.
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...at least, in header files, which may not have already included
libkern.h.
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also move BLKDEV_IOSIZE, MAXPHYS, but allow override since some ports
have different value (powerpc uses NBPG for BLKDEV_IOSIZE, sun2/sun3
have lower MAXPHYS)
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Unfortunately our VCS isn't very helpful here.
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PR port-i386/45946: Kernel locks up in VMEM system
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don't enforce limits if not required
ok: riz@
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and avoid definining them in 10 different places if not needed.
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again. This was changed in sys/socket.h r1.51 to work around fallout
from the IPv6 aux data migration. It broke the historic ABI on some
platforms. This commit restores compatibility for netbsd32 code on such
platforms and provides a template for future changes to the CMSG_*
alignment. Revert PCC/Clang workarounds in postfix and tmux.
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on the amount of physical memory and limited by NMBCLUSTERS if present.
Architectures without direct mapping also limit it based on the kmem_map
size, which is used as backing store. On i386 and ARM, the maximum KVA
used for mbuf clusters is limited to 64MB by default.
The old default limits and limits based on GATEWAY have been removed.
key_registered_sb_max is hard-wired to a value derived from 2048
clusters.
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This is a port of the OpenBSD pmap and trap handling code to get us
- Performance boost on some/all machines.
- Well on the way to PA2.0 (in 32bit mode) support. Several
machines probe hardware, but fail sometime after interrupts
are enabled.
Other things changed / fixed on the branch are
- update autoconf to use the OpenBSD code.
- com @ dino is very close to being supported.
- HPPA_REDZONE has been replaced with a working redzone which
is enabled with DIAGNOSTIC.
- UPAGES has been halved in size.
- power(4) from OpenBSD to fix a few bugs.
- updated list of modules from OpenBSD.
- initial ports of uturn(4), astro(4) and elroy(4).
- update some copyrights (remove advertising clause, etc.)
Thanks to mjf for some of the above, testing and listening.
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- add the useful space and control registers to struct reg
- update process_{read,write}_regs accordingly
- use MID_HPPA in core dumps.
- dump the fp regs into cores.
- add single stepping support from OpenBSD.
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- move the following macros from MD headers to sys/param.h.
ctod
dtoc
ctob
btoc
dbtob
btodb
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- add a RAS hook in cpu_switch().
- fill in the definition of struct mcontext.
- implement cpu_upcall(), cpu_getmcontext(), cpu_getmcontext() and
cpu_switchto().
- for now, force the right priviledge bits and space regs in setcontext().
- use correct values for __SIMPLELOCK_*.
- move the user stack to start at a multiple of the pthread stack size
so that libpthread can use the sp-masking trick.
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by the application, all NetBSD interfaces are made visible, even
if some other feature-test macro (like _POSIX_C_SOURCE) is defined.
<sys/featuretest.h> defined _NETBSD_SOURCE if none of _ANSI_SOURCE,
_POSIX_C_SOURCE and _XOPEN_SOURCE is defined, so as to preserve
existing behaviour.
This has two major advantages:
+ Programs that require non-POSIX facilities but define _POSIX_C_SOURCE
can trivially be overruled by putting -D_NETBSD_SOURCE in their CFLAGS.
+ It makes most of the #ifs simpler, in that they're all now ORs of the
various macros, rather than having checks for (!defined(_ANSI_SOURCE) ||
!defined(_POSIX_C_SOURCE) || !defined(_XOPEN_SOURCE)) all over the place.
I've tried not to change the semantics of the headers in any case where
_NETBSD_SOURCE wasn't defined, but there were some places where the
current semantics were clearly mad, and retaining them was harder than
correcting them. In particular, I've mostly normalised things so that
_ANSI_SOURCE gets you the smallest set of stuff, then _POSIX_C_SOURCE,
_XOPEN_SOURCE and _NETBSD_SOURCE in that order.
Tested by building for vax, encouraged by thorpej, and uncontested in
tech-userlevel for a week.
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not in <hppa/param.h>.
* Define NBPG in terms of PGSHIFT.
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files to follow.
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