#/bin/sh                                                                                                                                                                                                  
                                                                                                                                                                                                          
set -x;                                                                                                                                                                                                   

Name=$1;
QEMUOptions=${@:2};

#exit;

VENDOR1='68:5d:43' # Intel
VENDOR2='00:17:A5' # Ralink

RANGE=256;
                                                                                                                                                                                                                                                                               
rangen()                                                                                                                                                                                                                                                                       
{                                                                                                                                                                                                                                                                              
        NUM=$RANDOM;                                                                                                                                                                                                                                                           
        let "NUM %= $RANGE";                                                                                                                                                                                                                                                   
        OCT=$(echo "obase=16;$NUM" | bc);                                                                                                                                                                                                                                      
        # Single (low) values prepended with '0'                                                                                                                                                                                                                               
        if [ ${#OCT} == 1 ]; then                                                                                                                                                                                                                                              
                OCT='0'$OCT;                                                                                                                                                                                                                                                   
        fi;                                                                                                                                                                                                                                                                    
        echo $OCT;                                                                                                                                                                                                                                                             
}

gen_random_mac()
{
#       perl -e 'for ($i=0;$i<6;$i++){@m[$i]=int(rand(256));} printf "%X:%X:%X:%X:%X:%X\n",@m;';
#       dd if=/dev/urandom bs=1024 count=1 2>/dev/null|md5sum|sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\)\(..\).*$/\1:\2:\3:\4:\5:\6/';

        A=$(rangen); B=$(rangen); C=$(rangen); D=$(rangen); E=$(rangen); F=$(rangen);
        echo ${VENDOR2}:${D}:${E}:${F};
}

chmod 777 /dev/kvm;

MAC=`gen_random_mac`;

modprobe kvm; 
modprobe kvm_intel;

#KernelOptions=" console1=ttyS0,115200 ";
KernelOptions=" root=LABEL=$Name MY_LOCATION=$MY_LOCATION ";
KernelDir="/XXX/Security/Devuan/Kernel";

#echo \
nice -n 7 ionice -c 2 -n 7 /usr/bin/qemu-system-x86_64 \
    -smp 2 \
    -k en-us \
    -machine accel=kvm \
    -no-fd-bootchk \
    -virtfs local,id=shared_folder_dev_0,path=/download,security_model=none,mount_tag=shared0 \
    -kernel $KernelDir/$Name/vmlinuz \
    -initrd $KernelDir/$Name/initrd.img \
    -append "verbose net.ifnames=0 ipv6.disable=1 ro  quiet  framebuffer=false selinux=0  console=ttyS0        zswap.enabled=1 zswap.max_pool_percent=25 zswap.compressor=lz4 $KernelOptions " \
    -rtc base=utc \
    -name "$Name" \
    -net nic,macaddr=$MAC,model=virtio \
    -usb \
    -device usb-ehci,id=ehci \
    $QEMUOptions \
    -serial mon:stdio -nographic;