#!/bin/bash

qemukvm="${QEMU:-qemu-kvm}"
qemusystem="${QEMU:-qemu-system-x86_64}"
if
	${qemukvm} -device '?' 2>&1 | grep -F -e \"testdev\" -e \"pc-testdev\" > /dev/null;
then
	qemu="${qemukvm}"
else
	if
		${qemusystem} -device '?' 2>&1 | grep -F -e \"testdev\" -e \"pc-testdev\" > /dev/null;
	then
		qemu="${qemusystem}"
	else
		echo QEMU binary ${QEMU} has no support for test device. Exiting.
		exit 2
	fi
fi

if
	${qemu} -device '?' 2>&1 | grep -F "pci-testdev" > /dev/null;
then
	pci_testdev="-device pci-testdev"
else
	pci_testdev=""
fi

if
	${qemu} -device '?' 2>&1 | grep -F "pc-testdev" > /dev/null;
then
	pc_testdev="-device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4"
else
	pc_testdev="-device testdev,chardev=testlog -chardev file,id=testlog,path=msr.out"
fi

command="${qemu} -enable-kvm $pc_testdev -display none -serial stdio $pci_testdev -kernel"
echo ${command} "$@"
${command} "$@"
ret=$?
echo Return value from qemu: $ret
exit $ret