grade-lab8

#!/bin/sh

verbose=false

if [ "x$1" = "x-v" ]
then
	verbose=true
	out=/dev/stdout
	err=/dev/stderr
else
	out=/dev/null
	err=/dev/null
fi

pts=5
timeout=30
preservefs=n
bochs_pid=

BOCHS_TIMEOUT=5
BOCHS_OPTIONS=
MAKE_OPTIONS=
ALT_LFS="^"

echo_n () {
	# suns can't echo -n, and Mac OS X can't echo "x\c"
	# assume argument has no doublequotes
	awk 'BEGIN { printf("'"$*"'"); }' </dev/null
}

runbochs () {
	# Find the address of the kernel readline function,
	# which the kernel monitor uses to read commands interactively.
	#brkaddr=`grep 'readline$' obj/kern/kernel.sym | sed -e's/ .*$//g'`
	#echo "brkaddr $brkaddr"

	# Run Bochs, setting a breakpoint at readline(),
	# and feeding in appropriate commands to run, then quit.
	t0=`date +%s.%N 2>/dev/null`

	echo -en "\tRunning bochs..."
	old_ifs="${LFS}"
	LFS=${ALT_LFS}
	bochs -q ${BOCHS_OPTIONS} >$out 2>$err &
	LFS="${old_lfs}"
	sleep ${BOCHS_TIMEOUT}
	bochs_pid=$!
	kill -TERM ${bochs_pid} >$out 2>$err
	t1=`date +%s.%N 2>/dev/null`
	time=`echo "scale=1; ($t1-$t0)/1" | sed 's/.N/.0/g' | bc 2>/dev/null`
	time="(${time}s)"
	echo -e "done."
}

runtest () {
	echo -en "\tBuilding..."
	rm -f bochs.out bochs.log >$out 2>$err
	make clean >$out 2>$err
	make guestvm >$out 2>$err
	make ${MAKE_OPTIONS} >$out 2>$err
	make ${MAKE_OPTIONS} bochsrc >$out 2>$err
	echo -e "done."
	runbochs
}

# Initialize score record
score=0
totalscore=0

# Testcase 1: EPT extension support foolproof check
	echo "EPT support foolproof check: "
	pts=20
	totalscore=`expr $totalscore + $pts`
	BOCHS_OPTIONS="display_library:nogui cpuid:vmx=1"
	MAKE_OPTIONS="DEFS='-DTEST=user_vmm'"
	runtest
	BOCHS_OPTIONS=
	MAKE_OPTIONS=

	if grep "\[VMM\] EPT extension not supported\." bochs.out >/dev/null
	then
		score=`expr $score + $pts`
		echo -e "\tSuccess: $pts points"
	else
		echo -e "\tFailed: 0 points"
	fi

# Testcase 2: sys_ept_map() & related functionality testcase
	echo "EPT related functionality check: "
	pts=40
	totalscore=`expr $totalscore + $pts`
	BOCHS_OPTIONS="display_library:nogui"
	MAKE_OPTIONS="DEFS='-DTEST_EPT_MAP'"
	runtest
	BOCHS_OPTIONS=
	MAKE_OPTIONS=

	if grep "Cheers! sys_ept_map seems to work correctly\." bochs.out >/dev/null
	then
		score=`expr $score + $pts`
		echo -e "\tSuccess: $pts points"
	else
		echo -e "\tFailed: 0 points"
	fi

# Testcase 3: guest vmx exposure testcase
	echo "Guest VMX exposure check: "
	pts=20
	totalscore=`expr $totalscore + $pts`
	BOCHS_OPTIONS="display_library:nogui"
	MAKE_OPTIONS="DEFS='-DTEST=user_vmm'"
	runtest
	BOCHS_OPTIONS=
	MAKE_OPTIONS=

	if grep "VMX extension hidden from guest\." bochs.out >/dev/null
	then
		score=`expr $score + $pts`
		echo -e "\tSuccess: $pts points"
	else
		echo -e "\tFailed: 0 points"
	fi

echo "Grading finished. Score = $score/$totalscore"