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SBus machines so far, although EBus attachment glue is provided but not enabled
by default.
Also, fdformat(8) does not work correctly yet, although reading and writing
is safe; this will hopefully be fixed in the near future.
ok deraadt@
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logic in 3 files. Devices register a function to be called to turn the
led on and off based on load average. (Note: rerun config and make depend)
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Reduce the size of a GENERIC kernel by ~190k
Remove the nasty pointer/bus_space_handle_t casts
Adds debug bus_space code including the ability to trace
bus operations (it actually works now).
The following rules are now followed (and verfified by the debug
code):
1. A "bus_space_handle_t" may only be used with the
"bus_space_tag_t" that created it.
2. Only "bus_space_map()" may create "bus_space_handle_t"s.
3. A "bus_space_handle_t" may not be modified after it has
been created (other than being destroyed by "bus_space_unmap()").
Thanks to help from mcbride, marc, jason, drahn, to anyone that might
have slipped my mind at the moment.
ok jason@, deraadt@
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portions from NetBSD.
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