Testing Xen with PXE CoreOS images

bootxen.sh

#!/bin/bash

XEN=$HOME/xen-3.4.4
#XEN=$HOME/xen-4.2.2
KERNEL=$HOME/latest/coreos_developer_pxe.vmlinuz
INITRD=$HOME/latest/coreos_developer_pxe_image.cpio.gz
COREOS_ARGS="root=squashfs: state=tmpfs:"
XEN_ARGS="console=hvc0 earlyprintk=xen"
CPU=host
#CPU=qemu64,+avx

exec qemu-system-x86_64 -m 1024 \
    -machine accel=kvm,kernel_irqchip=off -cpu $CPU \
    -kernel $XEN -append "console=com1 noreboot" \
    -initrd "$KERNEL $COREOS_ARGS $XEN_ARGS,$INITRD" \
    -nographic "$@"