#!/bin/sh

# Argument1: The filename of qemu executable, e.g. qemu-system-riscv64
QEMU_PATH=$(which $1)
RET=$?
MINIMUM_MAJOR_VERSION=7
RED='\033[0;31m'
GREEN='\033[0;32m'
NC='\033[0m'
if [ $RET != 0 ]
then
    echo "$1 not found"
    exit 1
else
    QEMU_VERSION=$($1 --version|head -n 1|awk '{print $4}')
    MAJOR_VERSION=$(echo $QEMU_VERSION | awk -F '.' '{print $1}')
    if [ $MAJOR_VERSION -lt $MINIMUM_MAJOR_VERSION ]
    then
        echo "${RED}Error: Required major version of QEMU is ${MINIMUM_MAJOR_VERSION}, " \
             "but current is ${QEMU_VERSION}.${NC}"
        exit 1
    else
        echo "${GREEN}QEMU version is ${QEMU_VERSION}(>=${MINIMUM_MAJOR_VERSION}), OK!${NC}"
        exit 0
    fi
fi