On 27/05/2015 13:54, Peter Maydell wrote: > On 27 May 2015 at 10:30, Paolo Bonzini <pbonz...@redhat.com> wrote: >> > For example, ARM's "-M virt" uses a pl011 block for the RTC, and also >> > uses fw_cfg. Another commonly used ISA device is the UART, for which >> > again -M virt uses a pl031. > Partly we do that because there were a number of reports that trying > to use virtio for the console didn't work reliably... Using the > stock UART that is widely supported in UEFI/uboot/kernel was a > conservative design choice. > > The next thing that's likely to appear in "virt" is a PL061 > GPIO device, which you need for CPU hotplug and external-shutdown-request > notifications.
Indeed, and the x86 Q35 chipset puts the ACPI registers... in the ISA/LPC bridge. :) Paolo
