Re: [Qemu-devel] [PATCH v3 5/6] vga: Use linear mapping + dirty logging in chain 4 memory access mode

[Andreas Färber]

Am 13.09.2011 um 11:00 schrieb Jan Kiszka:

> On 2011-09-13 10:40, Alexander Graf wrote:
> > Btw, it still tries to execute invalid code even with your patch.  
> > #if 0'ing out the memory region updates at least get the guest  
> > booting for me. Btw, to get it working you also need a patch for  
> > the interrupt controller (another breakage thanks to memory api).
> >
> > diff --git a/hw/heathrow_pic.c b/hw/heathrow_pic.c
> > index 51996ab..16f48d1 100644
> > --- a/hw/heathrow_pic.c
> > +++ b/hw/heathrow_pic.c
> > @@ -126,7 +126,7 @@ static uint64_t pic_read(void *opaque,  
> > target_phys_addr_t addr,
> > static const MemoryRegionOps heathrow_pic_ops = {
> >     .read = pic_read,
> >     .write = pic_write,
> > -    .endianness = DEVICE_NATIVE_ENDIAN,
> > +    .endianness = DEVICE_LITTLE_ENDIAN,
> > };
> >
> > static void heathrow_pic_set_irq(void *opaque, int num, int level)
>
> With out without this fix, with or without active chain-4  
> optimization,
> I just get an empty yellow screen when firing up qemu-system-ppc (also
> when using the Debian ISO). Do I need to specify a specific machine  
> type?

No. Did you try with Alex' via-cuda patch? That's the only one I have  
on my branch for Linux host.

Andreas