[openfirmware] Troubleshooting VGA under qemu? [patch]
James Cameron
quozl at laptop.org
Thu Oct 22 03:10:26 CEST 2015
On Fri, Oct 02, 2015 at 10:37:03PM +0000, Marcin Cieslak wrote:
> On Sat, 3 Oct 2015, James Cameron wrote:
>
> > > Can you show me your .properties of the vmware display?
> >
> > assigned-addresses 81001010 00000000 00008010 00000000 00000010
> > 82001014 00000000 10000000 00000000 01000000
> > 82001018 00000000 11000000 00000000 00010000
> > reg 00001000 00000000 00000000 00000000 00000000
> > 01001010 00000000 00000000 00000000 00000010
> > 02001014 00000000 00000000 00000000 01000000
> > 02001018 00000000 00000000 00000000 00010000
>
> This is all fine, your resources got allocated.
>
> As far as I understand we communicate with vmware VGA via the fifo area
> (the 02001018 resource, 0x10000 bytes)
> and maybe this fails somehow (overflows, wraps-around, whatever?)
>
> > -vga cirrus ... works fine, does not reproduce problem.
> >
> > -vga std ... does not work, with -serial $(tty) can interact with qemu
> > window as input, terminal as output.
>
> Can you step over the initalization?
Didn't get time to work on this, sorry.
Committed r3785.
--
James Cameron
http://quozl.linux.org.au/
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