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netbsd pr#1916
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Use ${BINOWN} and ${BINGRP} per Arne H. Juul <arnej@ikke.idt.unit.no>
in PR #705. Also, clean up some stuff left over from HP-BSD.
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The changes frpm Paul Goyette with respect to the driver trace require
DBG_PID to be defined to an interger value....make it so.
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anyway.
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Dan Carosone <danielce@ee.mu.oz.au>.
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Balance calls to disk_busy() and disk_unbusy() properly to avoid
dk_busy < 0 panics. Count seeks.
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Still apparently not getting interrupts for some reason, so this is more
or less just a checkpoint.
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segment. Ordinary cachectl is for userlevel virtual addresses.
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Patch to at least recognise FOCUS EtherLAN. From Erik Bertelson
<erik@sockdev.uni-c.dk>
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kernel diffs from Tim Newsham <newsham@hookomo.aloha.net> found in his
well-known audio LKM kit.
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helping me find this bug. On execution of an atomic load/store instruction
the chip will only say that a read fault is happening, we then load up a
readonly translation to the accessed page, and we get the fault again still
showing a read-fault. We end up faulting in a loop forever and the process
appears to be completely stuck. The algorithm to fix this problem goes like
this. If we get a non-text fault, and the fault type is VM_PROT_READ, and
the SER_PROT bit is set in the syncronous fault error register, we take
a peek at the instruction at pc. If this instruction is indeed an ldstub
or a swap variant we or in VM_PROT_WRITE to the fault type.
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Instead, check the inquiry_flag. Also allow enabling and disabling
linked command issuance on target-by-target basis.
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- move disk_attach() to before reading the disk label as per Jason.
otherwise we are reading into an unallocated buffer (oops!)
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zero since xdcmatch/xycmatch no longer sets it). [if you call
mapiodev() with a zero size it will reuse the KVA it returns, swiping
the device out from under you!]
- make xdc/xyc->iopbase point in the kernels DVMA space rather than at the
normal malloc'd KVA. this isn't compatable with sun4m [doesn't
have a kernel DVMA space] and will need to be changed later (XXX).
- move disk_attach() to before reading the disk label as per Jason.
otherwise we are reading into an unallocated buffer (oops!)
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device address (bus_tmp, bus_map, and mapiodev now do this for us).
also, we handle all our mappings, so don't have obio.c do any for us
(i.e. don't set ra->ra_len in xycmatch).
nuke uneeded variable in match function.
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and thus probed the wrong address on the 4/300 (but it worked because
it was probing the esp0 registers!).
now that bus_tmp() adds the offset in for us [as of obio 1.15] i
discoved that a byte access to the dma registers is not allowed.
so, i've change probeget to use a word access.
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page boundaries:
- change bus_tmp() to include the offset from the start of page in the
returned KVA [rather than forcing each driver to add it back in
individually]
- changed bus_map() to include the offset from the start of page in the
the returned value if a mapping is found in the PROM's KVA area
- clarified a few comments
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page in the virtual address it returns.
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Kludge around a case where a flaky HP-IB disk might be slow to respond
to the identification request in rdmatch(). Similar in spirit to a
patch from Jason Downs (written eons ago), but limited to the broken
device we're trying to reach. My patch tested (and fixed :-) by
Herb Peyerl.
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PR #1918.
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New generic disk framework. Highlights:
New metrics handling. Metrics are now kept in the new `struct disk'.
Busy time is now stored as a timeval, and transfer count in bytes.
Storage for disklabels is now dynamically allocated, so that the size
of the disk structure is not machine-dependent.
Several new functions for attaching and detaching disks, and handling
metrics calculation.
Old-style instrumentation is still supported in drivers that did it
before. However, old-style instrumentation is being deprecated, and
will go away once the userland utilities are updated for the new
framework.
For usage and architectural details, see the forthcoming disk(9)
manual page.
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Also set sonic flag for MACH_CLASSQ.
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Update a kludge from 4.4bsd/pmax: DECstation PROMs force the clock to
be in 1972 or 1973. If the clock is set to the actual time, the PROM
appears to reset the chip date to 1972 at each reboot.
Change the "year offset" from 22 years to 24 years (good till 1997)
until this code is replaced with something that uses the chip as a
seconds-since-beginning-of-year clock (encoded as a date, relative to
1972-01-01 00:00:00).
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