#!/bin/bash

qemu-system-arm -serial null -nographic -semihosting -M QEMU_BOARD -monitor null -cpu QEMU_CPU -kernel $@
ret1=$?
[ $ret1 -eq 0 ] && exit 0

[ "x$TMPDIR" = "x" ] && TMPDIR=$PWD
QEMU_TRACE="-d in_asm,int,exec,cpu,unimp,guest_errors,nochain -singlestep -D $TMPDIR/qemu.log.$$"

trap "rm $TMPDIR/qemu.log.$$" EXIT
qemu-system-arm -serial null -nographic -semihosting -M QEMU_BOARD -monitor null -cpu QEMU_CPU $QEMU_TRACE -kernel $@

ret2=$?
echo "Execution failed (returned $ret1), debug execution returned $ret2"
echo qemu-system-arm -serial null -nographic -semihosting -M QEMU_BOARD -monitor null -cpu QEMU_CPU $QEMU_TRACE -kernel $@
echo "START QEMU TRACE:"
cat $TMPDIR/qemu.log.$$
echo "END QEMU TRACE:"
exit $ret2