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Re: [Qemu-devel] AMD64 Gentoo needs help

From: Johannes Schindelin
Subject: Re: [Qemu-devel] AMD64 Gentoo needs help
Date: Fri, 24 Sep 2004 11:46:35 +0200 (CEST)


On Thu, 23 Sep 2004, J. Mayer wrote:
> On Thu, 2004-09-23 at 22:21, Martin Garton wrote:
> > I believe the problem is that qemu is not 64bit clean code because it does
> > things like casting from pointers to ints and back which is okay when they
> > are the same size (ie, on x86) but not when a pointer is twice as long as
> > an int (ie, on amd64) You will have seen warnings about this when
> > compiling.
> [...]
> I think the issues may be located in or very near the x86 emulation
> code. I never had the courage to compare step by step the execution in
> the 32 bits vs the 64 bits environment to find where is the bug, but I
> really think there is just a few bugs to locate and fix.

If this is an issue, then maybe you two could put your respective
i386-softemu/op.o somewhere on the web, so someone poor like me - who
cannot afford such a lovely 64-bit beast - can look at it (after all, the
GNU binutils are cross platform)?


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