Re: [Qemu-devel] I got a kernel booted under qemu-system-ppc !

["J. Mayer" <l_indien@magic.fr>]

On Sat, 2007-10-20 at 01:08 -0500, Rob Landley wrote:
> On Friday 19 October 2007 3:33:52 pm Aurelien Jarno wrote:
> > Aurelien Jarno a écrit :
> > > - The target CPU never gets into idle loop, so the host CPU is always
> > >   used at 100%
> >
> > This is actually not a problem. The default CPU (604) does not support
> > DOZE or NAP. Switching to a 603 CPU, the target CPU correctly goes
> > into idle loop.

Sleep mode is currently implemented only for a few CPUs. I should add
all the currently emulated cores. For this, I would have to emulate the
HID registers, in most case, which is still not done.

> This would be adding "-cpu 603" to the command line?

Yes

> 
> Is there a web page listing all the powerpc processors somewhere?  I'm still 
> at the "everything is 7xx except for 4xx and 8xx" stage...
> 
> I found this:
> http://www.power.org/resources/devcorner/roadmap
> 
> But it groups by manufacturer rather than capabilities or software 
> compatability...

I could do this, as Qemu has definitions for most PowerPC cores (even if
most are still not available).
For now, you can take a look in target-ppc/translate_init.c. Most
PowerPC are referenced here:
- there's a big table with all the PVR I know (but there's still a lot
missing)
- the ppc_defs table contains most PowerPC definitions, with their
features defined.
I will think of doing a reference table on my web pages, to have a more
readable PowerPC reference document. Of course, any information about
missing PVRs or PowerPC implementation in welcome !

You can also take a look at the file target-ppc/STATUS file to figure
out all cores emulation working in Qemu.
And you can get the list of all CPUs emulated by Qemu with the '-cpu ?'
switch.

-- 
J. Mayer <l_indien@magic.fr>
Never organized