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SubjectRe: mapping 36 bit physical addresses into 32 bit virtual
On Wed, 16 Oct 2002, David S. Miller wrote:

> i distinctly remember the working
> with the newest R400x in 1993 which was still 32bit.
>
> You remember wrong, R400x can run happily in either 32-bit or 64-bit
> mode.

Many system implementations sticked to a 32-bit operation of R4k
processors, though, possibly because of a few intriguing processor errata
in early silicon revisions that hurt badly certain 64-bit operations.
This might have created an illusion these processors were 32-bit.

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+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+--------------------------------------------------------------+
+ e-mail: macro@ds2.pg.gda.pl, PGP key available +

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