Subject: Re: ia64 support
To: None <>
From: Sascha Retzki <>
List: netbsd-users
Date: 10/11/2004 20:07:05
On Mon, Oct 11, 2004 at 01:46:48PM -0400, Nathan J. Williams wrote:
> Sascha Retzki <> writes:
> > I heared that IA64 ( Intel Itanium ) are not a ia32-extension like the amd64,
> > but have an own instruction set. Can somebody enlight me? :)
> That's correct. IA64 is a novel architecture developed by Intel, with
> some influence from HP and the HP-PA architecture. It doesn't really
> look like conventional x86 code at all. In fact, it doesn't generally
> resemble any other ISA, except in bits and pieces.
> The architecture includes an IA32 mode for backwards-compatibility,
> but it's much more like having a second chip bolted on, or running an
> emulator in firmware. In contrast, the AMD 64-bit ISA is a
> straightforward extention of the 32-bit x86 ISA.
>         - Nathan
Even if we are not yet (able to) implement support for that, it would be
worth mentioning on ?

Somebody mailed me that he has a paper of it, so I guess there is either
effort in implementing support for it and there are just machines missing,