svn commit: r227772 - in projects/pseries: amd64/amd64 amd64/conf amd64/ia32 amd64/include amd64/linux32 arm/arm arm/at91 arm/conf arm/econa arm/include arm/mv arm/sa11x0 arm/xscale/i80321 arm/xsca...

[Nathan Whitehorn]

On 11/20/11 17:34, Peter Grehan wrote:
> Hi Nathan,
>
>>    IFC @ r227771. Of particular interest here are virtio drivers, which
>>    should be useful for the QEMU pSeries emulation.
>
>  One thing to look out for is that the virtio spec has PCI register 
> access in host-order, so you may need to switch in big-endian bus ops.
>
> later,
>
> Peter.

Is it worth making some generic way to avoid regular bus accessors? It 
also needs to avoid regular bus dma calls, since the spec indicates 
finger-of-God accesses that bypass any emulated IOMMU that busdma would 
ordinarily try to use.
-Nathan