(1) Use Gerd Hoffman's repo for firmware:

    $ cd /etc/yum.repos.d
    $ sudo wget https://www.kraxel.org/repos/firmware.repo 
    $ sudo dnf install edk2.git-aarch64
    $ rpm -ql edk2.git-aarch64
    /usr/share/doc/edk2.git-aarch64-0
    /usr/share/doc/edk2.git-aarch64-0/License.txt
    /usr/share/edk2.git
    /usr/share/edk2.git/aarch64
    /usr/share/edk2.git/aarch64/QEMU_EFI-pflash.raw
    /usr/share/edk2.git/aarch64/QEMU_EFI.fd
    /usr/share/edk2.git/aarch64/vars-template-pflash.raw


(2) Create a VM:

    $ virt-builder fedora-21 -o node1 --format qcow2 --update \
        --selinux-relabel --size 70G


(3) Import it into libvirt:

    $ virt-install --name node1 --ram 4096 \
        --disk path=/home/kashyapc/node1,format=qcow2,cache=writeback \
        --nographics --import --os-variant fedora21


(4) Get the nvram from here:

    $ wget http://libguestfs.org/download/builder/fedora-21-aarch64-nvram.xz
    $ unxz fedora-21-aarch64-nvram.xz

    Copy it somewhere permanaent:

    $ sudo mkdir /var/lib/libvirt/nvram
    $ sudo cp fedora-21-aarch64-nvram.xz /var/lib/libvirt/nvram


(5) Update the VM XML, so that the 'os' attribute has th 'loader' and
    'nvram' elements:

    $ virsh edit node1
    . . .

    $ virsh dumpxml node1 | grep -i nvram  -A2 -B3
      <os>
        <type arch='aarch64' machine='virt'>hvm</type>
        <loader readonly='yes' type='pflash'>/usr/share/AAVMF/AAVMF_CODE.fd</loader>
        <nvram>/var/lib/libvirt/nvram/fedora-21-aarch64-nvram</nvram>
        <boot dev='hd'/>
      </os>


Or to boot it via QEMU CLI:

    $ qemu-system-aarch64 \
        -nodefconfig -nodefaults -display none \
        -M virt -cpu cortex-a57 -machine accel=tcg -m 2048 \
        -drive if=pflash,format=raw,file=/usr/share/edk2.git/aarch64/QEMU_EFI-pflash.raw,readonly \
        -drive if=pflash,format=raw,file=./fedora-21-aarch64-nvram \
        -drive file=fedora-21.qcow2,format=qcow2,if=none,id=hd0 \
        -device virtio-blk-device,drive=hd0  -serial stdio
    [. . .]
    Fedora release 21 (Twenty One)
    Kernel 3.17.4-302.fc21.aarch64 on an aarch64 (ttyAMA0)

    localhost login:
    . . .