Re: [Qemu-devel] [PATCH] Mac99: Enable -kernel option

[Aurelien Jarno]

On Sat, Feb 28, 2009 at 05:42:11PM +0200, Blue Swirl wrote:
> On 2/28/09, Alexander Graf <address@hidden> wrote:
> > Right now -kernel on the Mac99 (newworld) is broken.
> >
> >  For starters, the kernel is 1:1 mapped into to virtual machine, which
> >  is not what OpenBIOS expects - it wants a preprocessed ELF image.
> >  So I just copied over the code from oldworld.c that loads the kernel.
> >
> >  While this is not overly pretty, it works so far and keeps working
> >  code working. I don't feel comfortable on restructuring newworld and
> >  oldworld just yet - AFAIK newworld is not exactly is a good shape anyways.
> >
> >  The second issue is the NVRAM. It doesn't get initialized, so the
> >  firmware has no idea that a kernel image was actually loaded!
> >
> >  I first tried to use the macio nvram device that was specified there,
> >  but that didn't work out, so in order to get something working for now,
> >  I took the code from oldworld.c again, which works at least with
> >  OpenBIOS.
> 
> There have been some discussions to switch to using the firmware
> configuration device for the kernel address etc. Then the NVRAM
> structure would not be used. These patches (by Aurelien and myself)
> should do the switch.

I wanted to work a bit on those patches, but never found the time to do
that. The best is to commit them as they are know, as they are already
an improvement. They can be improved later.

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
address@hidden                 http://www.aurel32.net