Re: [Qemu-devel] qemu alpha?

[Thiemo Seufer <ths@networkno.de>]

J. Mayer wrote:
> 
> On Fri, 2007-10-19 at 19:49 -0500, Rob Landley wrote:
> > On Sunday 14 October 2007 5:14:27 am J. Mayer wrote:
> > > On Sun, 2007-10-14 at 11:19 +0200, Oliver Falk wrote:
> > > > Hi list!
> > >
> > > Hi you !
> > >
> > > > Just wanted to know how far the progress on alpha target is? I would be
> > > > happy if I have some 'virtual alpha' to test new isos.
> > > >
> > > > If I can help some way (I have a few alphas around). Let me know.
> > >
> > > I'm happy to see someone interresting in improving Alpha support, which
> > > is .... very alpha for now !
> > 
> > I'm interested in testing Alpha too, but I haven't seem a qemu-system-alpha 
> > show up yet.  Alas, I have no hardware or specific expertise in this 
> > platform, I'm just trying to build and boot Linux kernels (and corresponding 
> > root filesystems) on as many emulated target platforms as I can.
> 
> There are a lot of things missing for qemu-system-alpha to be available:
> - the PALCode emulation is far from being complete or even usable
> - there is no hardware machine emulation for Alpha in Qemu.
> As I have no Alpha platform, I don't know much about the hardware to be
> emulated.
> But the first step about the Alpha target would be to properly debug the
> linux-user-mode emulation, that would validate the core CPU INSNS
> emulation part.
> I guess my Alpha CPU and ABI knowledge is too restricted to find the
> problem of most program crashing for now. It seems to me that the Unique
> register is not initialized properly, but this is just a guess and I
> have no idea of what's going wrong with this register and what should be
> its value.

Could you record the limitations you know about in a STATUS file and
commit that to the target-alpha directory?


Thiemo