#!/bin/sh

NAME=
PROGS=
while getopts "n:p:" opt; do
	case "$opt" in
		n) NAME="$OPTARG";;
		p) PROGS="$PROGS $OPTARG";;
		*) echo "unrecognised options -$OPTARG" >&2; exit 1;
	esac
done

mkdir -p "build/$NAME"

if [ -z "$NAME" ]; then
	echo "No name given for benchmark" >&2; exit 2;
fi

if [ -z "$PROGS" ]; then
	echo "No programs to add to initrd" >&2; exit 3;
fi

for p in $PROGS
do
	dep="build/${NAME}/${p}.d"

	echo "${NAME}_PROGS += build/${NAME}/${p}"			>> benchmarks.mk
	echo "${dep}:"							>> benchmarks.mk
	echo "-include ${dep}"						>> benchmarks.mk
	echo "build/${NAME}/${p}: $NAME/$p.c \$(COMMON)"		>> benchmarks.mk
	echo "	\$(COMPILE_BENCHMARK) $NAME/${p}.c \$(COMMON) \\"	>> benchmarks.mk
	echo "		-o build/${NAME}/${p}"				>> benchmarks.mk
done

echo "build/${NAME}/initrd: \$(${NAME}_PROGS) \$(COMMON) \$(KMI)"	>> benchmarks.mk
echo "	for p in \$(${NAME}_PROGS); do \\"				>> benchmarks.mk
echo "		echo \$\$p; \\"						>> benchmarks.mk
echo "	done | \$(GEN_INITRD) build/$NAME/initrd"			>> benchmarks.mk

echo "BENCHMARKS += ${NAME}"						>> benchmarks.mk
echo ".PHONY: ${NAME}"							>> benchmarks.mk
echo "${NAME}: build/${NAME}/initrd"					>> benchmarks.mk
echo "	mkdir -p reports/${NAME}"					>> benchmarks.mk
echo "	timeout --foreground 30s \
	\$(QEMU) build/${NAME}/initrd > reports/${NAME}/log"		>> benchmarks.mk