How to write an Ultrix device driver
George Robbins
grr at cbmvax.UUCP
Fri Mar 31 10:29:55 AEST 1989
In article <11371 at s.ms.uky.edu> brian at ms.uky.edu (Brian Sturgill) writes:
>
> * I am told that you will need to remove the "register br, cvec"
> * lines from configuration probe routines for these drivers and
> * the ones in contrib/ to work under Ultrix 2.0.
>
> The purpose of removing "register br, cvec" is that they are now global
> variables (probably improves efficiency).
Well, actually it's to remove a horrible kluge that depends on the
compiler leaving those register variable in a particular place. You
may loose a teeny bit of efficiency, but big deal.
I think this is documented somewhere, perhaps in older release notes,
but I can't find it right off.
--
George Robbins - now working for, uucp: {uunet|pyramid|rutgers}!cbmvax!grr
but no way officially representing arpa: cbmvax!grr at uunet.uu.net
Commodore, Engineering Department fone: 215-431-9255 (only by moonlite)
More information about the Comp.unix.ultrix
mailing list