pseries-nvram.xml

<domain type='qemu'>
  <name>QEMUGuest1</name>
  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
  <memory unit='KiB'>524288</memory>
  <currentMemory unit='KiB'>524288</currentMemory>
  <vcpu placement='static'>1</vcpu>
  <os>
    <type arch='ppc64' machine='pseries'>hvm</type>
    <boot dev='hd'/>
  </os>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/bin/qemu-system-ppc64</emulator>
    <controller type='usb' index='0'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'>
      <model name='spapr-pci-host-bridge'/>
      <target index='0'/>
    </controller>
    <memballoon model='none'/>
    <nvram>
      <address type='spapr-vio' reg='0x4000'/>
    </nvram>
    <panic model='pseries'/>
  </devices>
</domain>