kill extra whitespaces
reviewed by tsutsui@

bcopy -> memcpy

Propagate volatile-ness from g_fbkva or g_regkva etc. as best as possible.
Some uses of __UNVOLATILE(), either in preparation of calls to bcopy()
or in the invocations themselves.

merge ktrace-lwp.

The gcc3 compiler optimized away writing character data to the Cirrus chip,
which results in a blank display - making it rather difficult to do an
install or upgrade when using a Cirrus-based display

The gcc3 compiler optimized away writing character data to the Cirrus chip,
which results in a blank display - making it rather difficult to do an
install or upgrade when using a Cirrus-based display. Change the pointer
used to write the character and attribute to volatile. The console screen
now shows data and is usable.

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add __KERNEL_RCSID as suggested by Luke Mewburn

- ANSIfy
- remove some trailing spaces/tabs
- minor style nits

Don't even try to output to, scroll or clear the device if we are in graphics
mode. On this chip, we need to access some registers to set the text plane,
which messes up the graphics setup.
This shou

Don't even try to output to, scroll or clear the device if we are in graphics
mode. On this chip, we need to access some registers to set the text plane,
which messes up the graphics setup.
This should fix the grf3 problems reported by several people.
Michael Hitch and Joerg Lehners analyzed the problem and provided the fix.

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defopt Amiga graphics console options

- Cleanup for -Wall and -Wstrict-prototypes
- Added support for multiple floppy drives
- CyberVision64:
- has now a real console mode
- another bugfix for boards with the new S3 chip

- Cleanup for -Wall and -Wstrict-prototypes
- Added support for multiple floppy drives
- CyberVision64:
- has now a real console mode
- another bugfix for boards with the new S3 chip
- Ariadne:
- fixed crashes with aeput (mbuf failure)

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new grfcl driver submitted by Ezra Story <ezy@panix.com>