From: Christoph Hellwig <hch@sgi.com>
To: Miles Bader <miles@gnu.org>
Cc: jw schultz <jw@pegasys.ws>, linux-kernel@vger.kernel.org
Subject: Re: mapping 36 bit physical addresses into 32 bit virtual
Date: Wed, 16 Oct 2002 19:21:43 -0400 [thread overview]
Message-ID: <20021016192143.B22932@sgi.com> (raw)
In-Reply-To: <buo4rbmvlq8.fsf@mcspd15.ucom.lsi.nec.co.jp>; from miles@lsi.nec.co.jp on Wed, Oct 16, 2002 at 05:20:15PM +0900
On Wed, Oct 16, 2002 at 05:20:15PM +0900, Miles Bader wrote:
> jw schultz <jw@pegasys.ws> writes:
> > i distinctly remember the working with the newest R400x in 1993 which
> > was still 32bit. I know MIPS went to 64bit sometime not too long
> > after that (mid 90's?) but by then Alpha and Sparc had beaten them to
> > the punch.
>
> You're wrong -- the R4000 was absolutely 64-bit, and was released in
> 1991. The 64-bit sparc was circa '93, and alpha I dunno, but I think
> '91-'92.
The 64bit mode of the original r4k was so buggy that you couldn't use
it in practice..
next prev parent reply other threads:[~2002-10-16 16:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-15 16:59 mapping 36 bit physical addresses into 32 bit virtual Padraig O Mathuna
2002-10-15 20:51 ` Maciej W. Rozycki
2002-10-15 22:54 ` H. Peter Anvin
2002-10-15 23:34 ` David S. Miller
2002-10-16 7:23 ` jw schultz
2002-10-16 7:24 ` David S. Miller
2002-10-16 11:51 ` Maciej W. Rozycki
2002-10-16 8:20 ` Miles Bader
2002-10-16 10:04 ` jw schultz
2002-10-16 11:59 ` Maciej W. Rozycki
2002-10-16 23:21 ` Christoph Hellwig [this message]
2002-10-16 16:35 ` Maciej W. Rozycki
2002-10-16 11:46 ` Maciej W. Rozycki
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