Currently firmware uses 1 byte at 0x5F offset in RTC CMOS
to get number of CPUs present at boot. However 1 byte is
not enough to handle more than 255 CPUs. So add a new
fw_cfg file that would allow QEMU to tell it.
For compat reasons add file only for machine types that
support more than 255 CPUs.
On Fri, Aug 05, 2016 at 11:46:15AM +0200, Igor Mammedov wrote:
> Currently firmware uses 1 byte at 0x5F offset in RTC CMOS
> to get number of CPUs present at boot. However 1 byte is
> not enough to handle more than 255 CPUs. So add a new
> fw_cfg file that would allow QEMU to tell it.
> For compat
On Sun, 7 Aug 2016 09:02:33 +0300
"Michael S. Tsirkin" wrote:
> On Fri, Aug 05, 2016 at 11:46:15AM +0200, Igor Mammedov wrote:
> > Currently firmware uses 1 byte at 0x5F offset in RTC CMOS
> > to get number of CPUs present at boot. However 1 byte is
> > not enough to handle more than 255 CPUs. S
