Re: QEMU

[Kars de Jong <jongk@linux-m68k.org>]

On wo, 2006-10-18 at 15:23 +0200, Bill Allombert wrote:
> On Wed, Oct 18, 2006 at 03:02:45PM +0200, Kars de Jong wrote:
> > > Generating an exception and just letting the FPU emulator in the kernel
> > > handle it didn't work?
> > 
> > Umm, no, this was user mode emulation. I figured that would be easier to
> > implement (and also more useful for Debian) than full system emulation.
> 
> Not sure about that: a full emulator like aranym can be used much like
> the real hardware and can serve as a buildd, at least in principle,
> without requiring system change.

Well, it's more like a real machine running a buildd, that's true.

> The system-call-emulation is faster but the behaviour is special:
> for example qemu will emulate exec("/usr/bin/gcc") by exec("/usr/bin/gcc")
> on the native system and will run the native compiler not the emulated
> one. I did not find an easy work around about that.

Hmm, that's pretty daft. It doesn't have a "chroot" option? Can't you
solve it by using the "target" chroot? Like
"qemu /export/targroot/usr/sbin/chroot /export/targroot /bin/bash"?


Kind regards,

Kars.