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to size. tested on almost all machines, double checked by miod and krw
next comes the type handling surrounding these values
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convert version 0 to version 1 disklabels.
Suggested by deraadt@.
ok deraadt@ otto@
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subsystems were enabled. others used a *md_diskconf -> diskconf() method to
make sure init_main could "do late setroot". Change all architectures to
have diskconf(), use it directly & late. tested by todd and myself on most
architectures, ok miod too
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bounds_check_with_label() routines as identical as possible without
changing any code. Code nits and adjustments to come.
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bounds_check_with_label. All callers check for <= 0, so no functional
change.
Feedback from miod@.
ok weingart@
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(and part of setroot); ok miod
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free room in struct partition by packing fragment size and
fragments/block more tighlty and use the resulting space to make
offset and size 48 bits. For the disk part we use spare fields in
struct disklabel. Kernel converts in-mem copy of the on-disk
label if needed, disklabel(8) writes new version.
We are careful to only change fields not used by bootloaders.
Conception of basic scheme by deraadt.
ok deraadt@ krw@
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preparation for translating all disk labels visible to the kernel to
the soon to arrive V1 format.
ok otto@ deraadt@
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not the other stupid names. that feature was retarded. tested on a few
architectures by a few people
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mbuf constants from MD param.h to MI param.h.
Besides being the same on every arch, things will
most probly break if any arch has different values
then the others.
The NMBCLUSTERS constants needs to be MD though;
ok miod@,krw@,claudio@
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ok pedro@
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prompted by/ok dlg@ deraadt@
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deraadt@ dlg@.
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grudgingly ok deraadt@
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oustside, seqencer, toghether, nessissary, etc.
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splassert_ctl > 0 in __predict_false().
ok deraadt@
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have cpu_info now, so kill the option.
eyeballed by jsg@ and grange@
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device_register() function -- even if it does nothing. reduces the
cpp-based blather different between architectures
idea ok'd by miod; tested on all architectures (except a few miod will
need to cleanup because he has them)
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machines. Instead -- build one solid clean MI version, and thenchange all
the architectures to use it. ok various people, tested on almost all cases.
(it is a 10094 line diff..)
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to separate locking, on most modern machines this is not enough
since operations on short types touch other short types that share the
same word in memory.
Merge pg_flags and pqflags again and now use atomic operations to change
the flags. Also bump wire_count to an int and pg_version might go
int as well, just for alignment.
tested by many, many. ok miod@
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to "pg_flags" and "pg_version", so that they are a bit easier to work with.
Whoever uses generic names like this for a popular struct obviously doesn't
read much code.
Most architectures compile and there are no functionality changes.
deraadt@ ok ("if something fails to compile, we fix that by hand")
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it's a good idea to use atomic.h operations on it. This mechanic
change updates all bit operations on p_flag to atomic_{set,clear}bits_int.
Only exception is that P_OWEUPC is set by MI code before calling
need_proftick and it's automatically cleared by ADDUPC. There's
no reason for MD handling of that flag since everyone handles it the
same way.
kettenis@ ok
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Aaron Linville <aaron@linville.org> in PR 5398.
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rt and such; tested and ok miod drahn
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option DISKLABEL_I386.
ok deraadt@
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for a bare FAT12/16/32 filesystem. If one is found, spoof it as 'i'.
This enables iPod shuffles and other umass devices that are shipped
with a bare FAT32 filesystem to be used as install media. And
generally makes things easier for the user just trying to mount some
media, e.g. floppies.
Does not make it safe to write a disklabel or MBR on such a device!
That will still obliterate the FAT filesystem.
Help and suggestions from tom@ and deraadt@. Feedback and suggestions
for future enhancements from espie@ mickey@ and peter@.
ok tom@ deraadt@
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right now that are supposed to be atomic with respect to interrupts and
SMP: atomic_setbits_int and atomic_clearbits_int.
All architectures other than i386 and amd64 get dummy implementations
since at first we'll be replacing operations that are done with
"a |= bit" and "a &= ~bit" today. More proper implementations will follow
kettenis@, miod@ ok
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of the disk. Fixes the creation of spurious 'i' partitions on new iPod
Shuffle. And other devices with no MBR, just a FAT32 filesystem.
Pointed out most recently by Stephan A. Rickauer for his sixth
generation, clip-on iPod shuffle.
Fix tested by Stephan.
ok pedro@ tom@ miod@ 'nice' deraadt@
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domain number such that we can distinguish between busses with the same bus
number that are behind different host bridges. Domains can be accessed by
using different device nodes.
ok deraadt@
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for cpu_swapin() on hppa* which is kept).
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confusing when trying to attach scsibus to a hba, since it is really meant
for attaching scsi devices to scsibus.
ok deraadt@ marco@
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from mikolaj kucharski;
ok mk deraadt krw
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extended partition except on alpha, hppa, hppa64 and mips64. So don't
spoof extended partitions as 'a' and try to read a disklabel from
them. Make all archs consistant.
When we can boot from extended partitions we can change to reading and
writing disklabels from them.
This means the first OpenBSD ('A6') extended partition will now be
ignored during spoofing, just as subsequent ones have always been.
Feedback from tom@, weingart@ and deraadt@.
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partitions with 0 in the length field we don't need to test for
and skip partitions that are all zeros. Eliminating that code
allows elimination of a local pointer.
"0 length partitions are definately dead" deraadt@
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De-register. Move declaration to top of function for DOS MBR
processing. Indent nit in macppc.
No functional change.
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than lp->d_partitions[8+n++]. All other cases already use the pointer.
No functional change.
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"The dosparts member of cpu_disklabel was not used for any persistant
data. Eliminate it, and just use the data being read in while
processing MBR and EBR records.
Should be no functional change.
ok weingart@ deraadt@"
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some architectures (kaboom); that will be fixed in the next iteration
hopefully!
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data. Eliminate it, and just use the data being read in while
processing MBR and EBR records.
Should be no functional change.
ok weingart@ deraadt@
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disklabel. Fixes 'double spoofing' of these partitions as both 'a' and
something in the 'i' to 'p' range.
OpenBSD changed its MBR partition type to 'A6' eight years ago. As a
backward compatibility measure NetBSD and FreeBSD MBR partitions were
still spoofed as 'a' partitions when no OpenBSD partition could be
found. This bit of backward compatibility is no longer required.
'we can get rid of it' deraadt@
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readdoslabel(). A bit of bad144 fallout.
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