#!/bin/bash

if [ -z "$STANDALONE" ]; then
	if [ ! -f config.mak ]; then
		echo "run ./configure && make first. See ./configure -h"
		exit 2
	fi
	source config.mak
	source scripts/arch-run.bash
fi

if [ -c /dev/kvm ]; then
	if [ "$HOST" = "ppc64" ] && [ "$ARCH" = "ppc64" ]; then
		kvm_available=yes
	fi
fi

if [ "$ACCEL" = "kvm" ] && [ "$kvm_available" != "yes" ]; then
	echo "KVM is needed, but not available on this host"
	exit 2
fi

if [ -z "$ACCEL" ]; then
	if [ "$kvm_available" = "yes" ]; then
		ACCEL="kvm"
	else
		ACCEL="tcg"
	fi
fi

qemu="${QEMU:-qemu-system-$ARCH_NAME}"
qpath=$(which $qemu 2>/dev/null)

if [ -z "$qpath" ]; then
	echo $qemu not found.
	exit 2
fi

if ! $qemu -machine '?' 2>&1 | grep 'pseries' > /dev/null; then
	echo "$qpath doesn't support pSeries ('-machine pseries'). Exiting."
	exit 2
fi

M='-machine pseries'
M+=",accel=$ACCEL"
command="$qemu $M -bios $FIRMWARE"
command+=" -display none -serial stdio -kernel"
command="$(timeout_cmd) $command"
echo $command "$@"

# powerpc tests currently exit with rtas-poweroff, which exits with 0.
# run_qemu treats that as a failure exit and returns 1, so we need
# to fixup the fixup below by parsing the true exit code from the output.
# The second fixup is also a FIXME, because once we add chr-testdev
# support for powerpc, we won't need the second fixup.
lines=$(run_qemu $command "$@")
ret=$?
echo "$lines"
if [ $ret -eq 1 ]; then
	testret=$(grep '^EXIT: ' <<<"$lines" | sed 's/.*STATUS=\([0-9][0-9]*\).*/\1/')
	if [ "$testret" ]; then
		if [ $testret -eq 1 ]; then
			ret=0
		else
			ret=$testret
		fi
	fi
fi
exit $ret