Re: A Fix Re: APM bug Re: [Qemu-devel] Re: Suggestion - trap window-close of VM

[Iain McFarlane <imcfarla@ntlworld.com>]

On Tuesday 05 Apr 2005 17:34, Volker Ruppert wrote:
> Hi,
>
> > > I needed to patch the BIOS - which didn't implement the APM 1.2 16-bit
> > > protected mode interface that Windows 2000 apparently requires.
> > >...
> > >
> > > What doesn't work yet is Standby and Suspend, although I've generalised
> >
> > My network (using -user-net) stops working when I use your patched BIOS.
> >
> > But it does close the window on shutdown!
>
> I guess the patched rombios is based on a newer version from Bochs CVS.
> Qemu is still using the rombios of May 31, 2004 with some patches. In the
> meantime the PCI IRQ routing table has been modified and the PCI IRQ
> initialization has been added. Qemu needs a small patch to make it work
> again. I have already sent this patch to Fabrice Bellard and posted it here
> in the list, but nothing happened. I'd like to apply the APM patch to the
> official Bochs BIOS if you can confirm that it works. Here is the patch:
>
> diff -urN /home/volker/qemu/hw/pci.c ./hw/pci.c
> --- /home/volker/qemu/hw/pci.c	2004-10-09 23:25:21.000000000 +0200
> +++ ./hw/pci.c	2004-12-24 20:10:50.000000000 +0100
> @@ -494,7 +494,7 @@
>  static inline int pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num)
>  {
>      int slot_addend;
> -    slot_addend = (pci_dev->devfn >> 3);
> +    slot_addend = (pci_dev->devfn >> 3) - 1;
>      return (irq_num + slot_addend) & 3;
>  }
>
> --
> Bye
>
> Volker

Yes this now works - I can even hibernate win2k and it will restart 
successfully.

Has anyone had any joy installing service pack 4?

Regards,

Iain