[SeaBIOS] [RFC 2/3] Transitions to and from 64 bits

[Paolo Bonzini]

On 21/09/2015 16:38, Marc Marí wrote:
> True. Tried with 2M. The memory used went down from 8M to 24K more or
> less, and the time for the copying went down by 4ms (from 15ms to
> 11ms). The other option is 1GB. I'll test later if it's enabled in QEMU
> CPUs.

Only in some AMD CPUs (plus "-cpu host" if supported by your machine)
because Intel only makes 1GB pages available on Xeons.  But you can just
check the guest CPUID inside SeaBIOS, and test on a suitable machine.

Paolo