Re: [Qemu-devel] [PATCH 0/4] set the OEM fields in the RSDT and the FADT from the SLIC

[Laszlo Ersek]

On 01/21/16 12:42, Michael Tokarev wrote:
> 21.01.2016 14:37, Richard W.M. Jones wrote:
> 
>> I'm afraid I gave up on this -- did give it my best.  It turns out
>> that the machine that I thought supported UEFI boot does not.  I'll
>> keep an eye out for such a machine and test this in future.
> 
> BTW, why do you guys refer to UEFI boot all the time?  The whole thing
> is equally useful on traditional BIOS-booting machines too.  Windows7
> uses the same mechanism (looking at RSDT) for offline activation no
> matter if it is EFI system or not.
> 
> When I did first version of my patch (based on someone else's version,
> but details escapes my memory already), there was no UEFI support for
> qemu whatsoever, and it allowed me to use my OEM version of Windows7
> inside a qemu virtual machine without second activation.

I've been referring to UEFI because my interest was renewed in this
topic by the following OVMF problem report:

https://github.com/tianocore/edk2/issues/5

Of course, the issue is not specific to OVMF (that's why I posted the
patches for QEMU), but I guess it stuck in my mind. Sorry.

Laszlo