Re: [SeaBIOS] HPET configuration in Seabios

[Avi Kivity]

On 08/29/2011 01:25 PM, Jan Kiszka wrote:
> > Can't seabios just poke at the hpet itself and see if it exists or not?
>
> Would be hard for the BIOS to guess the locations of the blocks unless
> we define the addresses used by QEMU as something like base + hpet_no *
> block_size in all cases.

Currently we have a fixed address.  We could do:

if available in fw_cfg:
      use that (may indicate no hpet)
  elif fixed address works:
      use that
  else
      no hpet