Re: [Qemu-devel] How does the QEMU load the binary files bios.bin and vgabios-cirrus.bin?

[Jordan Justen]

On Thu, Apr 7, 2011 at 12:21, Anthony Liguori <address@hidden> wrote:
> QEMU does the leg work already to support SMM.  It doesn't work with KVM
> because we treat SMM as ROM memory and trap read/write access.
>
> To make it work with KVM, you'd have to hack things around to switch the VGA
> space to RAM in order to the let the SMM code run.  It's not impossible, but
> that's the main reason it doesn't Just Work.

Ah, SMM ASEG/BSEG?  I think most recent firmware ignore that, use TSEG
(some higher up memory) and run in protected mode.

But, based on Gleb's other response, there are other, bigger issues as well...

-Jordan