fuword(), suword(), etc.

Adrian Chadd adrian at freebsd.org
Thu Jul 24 23:12:57 PDT 2003

On Thu, Jul 24, 2003, Terry Lambert wrote:
> Marcel Moolenaar wrote:
> > > for i386 it would be an alternate name for fuword32() and suword32()
> > > I'm not sure what it would be on other architectures....
> > 
> > fuword64 and suword64. PowerPC is like i386.
> PPC 970 explicitly supports mixed mode programming between user
> and kernel, as do most other 64 bit processors, in order to support
> legacy applications.
> It's actually unlikely that IBM will ever release enough documentation
> to get a full 64 bit Linux running on a PPC 970, let alone FreeBSD,
> and that you will be stuck with a 32 bit kernel that runs 64 bit apps,
> and which talks to IBM's internal undocumented glue on the bottom end
> while running in a virtual environment, such that the interfaces to
> that glue are not exposed in the source code they publish.

Will any releases of MacOS X have the "full 64 bit" code?

Will Darwin ever be released with the "full 64 bit" code?


Adrian Chadd			<angryskul> learning is bad
<adrian at FreeBSD.org>		  <angryskul> it just makes the people around you dumber
(angryskul == alfred at irc)	    <angryskul> :(

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