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* [PATCHv2 0/4] qemu: cirrus reset-related fixes
@ 2009-10-08 15:54 ` Michael S. Tsirkin
  0 siblings, 0 replies; 2+ messages in thread
From: Michael S. Tsirkin @ 2009-10-08 15:54 UTC (permalink / raw)
  To: Avi Kivity; +Cc: Anthony Liguori, qemu-devel@nongnu.org, kvm-devel

On Wed, Oct 07, 2009 at 10:20:19AM +0200, Avi Kivity wrote:
>> Reset BARs and a couple of other registers on bus reset, as per PCI
>> spec.
>>    
>
> This commit breaks Windows XP restart.  After a restart Windows switches  
> from 800x600 cirrus logic vga to 640x480 standard vga.

Reposting fom qemu tree now.

So I just sent patches for pcbios and seabios to fix this.  Once
applied, reset works fine. Further, we can also fix PCI incompliancy in
cirrus, disabling memory and i/o on reset.

To apply these patches:
- apply pcbios and seabios patches
- generate binaries and commit
- apply this patchset


Michael S. Tsirkin (4):
  qemu: update pcbios to enable i/o for cirrus
  qemu: update seabios to enable i/o for cirrus
  qemu: make cirrus init value pci spec compliant
  qemu: cleanup unused macros in cirrus

 hw/cirrus_vga.c |   38 +-------------------------------------
 roms/pcbios     |    2 +-
 roms/seabios    |    2 +-
 3 files changed, 3 insertions(+), 39 deletions(-)
-- 
MST



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2009-10-08 15:54 [PATCHv2 0/4] qemu: cirrus reset-related fixes Michael S. Tsirkin
2009-10-08 15:54 ` [Qemu-devel] " Michael S. Tsirkin

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