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quickemu
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quickemu
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#!/usr/bin/env bash
export LC_ALL=C
if ((BASH_VERSINFO[0] < 4)); then
echo "Sorry, you need bash 4.0 or newer to run this script."
exit 1
fi
function ignore_msrs_always() {
# Make sure the host has /etc/modprobe.d
if [ -d /etc/modprobe.d ]; then
# Skip if ignore_msrs is already enabled, assumes initramfs has been rebuilt
if grep -lq 'ignore_msrs=Y' /etc/modprobe.d/kvm-quickemu.conf >/dev/null 2>&1; then
echo "options kvm ignore_msrs=Y" | sudo tee /etc/modprobe.d/kvm-quickemu.conf
sudo update-initramfs -k all -u
fi
else
echo "ERROR! /etc/modprobe.d was not found, I don't know how to configure this system."
exit 1
fi
}
function ignore_msrs_alert() {
local ignore_msrs=""
if [ -e /sys/module/kvm/parameters/ignore_msrs ]; then
ignore_msrs=$(cat /sys/module/kvm/parameters/ignore_msrs)
if [ "${ignore_msrs}" == "N" ]; then
echo " - MSR: WARNING! Ignoring unhandled Model-Specific Registers is disabled."
echo
echo " echo 1 | sudo tee /sys/module/kvm/parameters/ignore_msrs"
echo
echo " If you are unable to run macOS or Windows VMs then run the above 👆"
echo " This will enable ignoring of unhandled MSRs until you reboot the host."
echo " You can make this change permanent by running: 'quickemu --ignore-msrs-always'"
fi
fi
}
function delete_shortcut() {
local SHORTCUT_DIR="${HOME}/.local/share/applications/"
if [ -e "${SHORTCUT_DIR}/${VMNAME}.desktop" ]; then
rm "${SHORTCUT_DIR}/${VMNAME}.desktop"
echo "Deleted ${VM} desktop shortcut"
fi
}
function delete_disk() {
if [ -e "${disk_img}" ]; then
rm "${disk_img}"
# Remove any EFI vars, but not for macOS
rm "${VMDIR}"/OVMF_VARS*.fd >/dev/null 2>&1
rm "${VMPATH}/${VMDIR}"/OVMF_VARS*.fd >/dev/null 2>&1
rm "${VMDIR}/${VMNAME}-vars.fd" >/dev/null 2>&1
rm "${VMPATH}/${VMDIR}/${VMNAME}-vars.fd" >/dev/null 2>&1
echo "SUCCESS! Deleted ${disk_img}"
delete_shortcut
else
echo "NOTE! ${disk_img} not found. Doing nothing."
fi
}
function delete_vm() {
if [ -d "${VMDIR}" ]; then
rm -rf "${VMDIR}"
rm "${VM}"
echo "SUCCESS! Deleted ${VM} and ${VMDIR}"
delete_shortcut
else
echo "NOTE! ${VMDIR} not found. Doing nothing."
fi
}
function snapshot_apply() {
local TAG="${1}"
if [ -z "${TAG}" ]; then
echo "ERROR! No snapshot tag provided."
exit
fi
if [ -e "${disk_img}" ]; then
if ${QEMU_IMG} snapshot -q -a "${TAG}" "${disk_img}"; then
echo "SUCCESS! Applied snapshot ${TAG} to ${disk_img}"
else
echo "ERROR! Failed to apply snapshot ${TAG} to ${disk_img}"
fi
else
echo "NOTE! ${disk_img} not found. Doing nothing."
fi
}
function snapshot_create() {
local TAG="${1}"
if [ -z "${TAG}" ]; then
echo "ERROR! No snapshot tag provided."
exit
fi
if [ -e "${disk_img}" ]; then
if ${QEMU_IMG} snapshot -q -c "${TAG}" "${disk_img}"; then
echo "SUCCESS! Created snapshot ${TAG} of ${disk_img}"
else
echo "ERROR! Failed to create snapshot ${TAG} of ${disk_img}"
fi
else
echo "NOTE! ${disk_img} not found. Doing nothing."
fi
}
function snapshot_delete() {
local TAG="${1}"
if [ -z "${TAG}" ]; then
echo "ERROR! No snapshot tag provided."
exit
fi
if [ -e "${disk_img}" ]; then
if ${QEMU_IMG} snapshot -q -d "${TAG}" "${disk_img}"; then
echo "SUCCESS! Deleted snapshot ${TAG} of ${disk_img}"
else
echo "ERROR! Failed to delete snapshot ${TAG} of ${disk_img}"
fi
else
echo "NOTE! ${disk_img} not found. Doing nothing."
fi
}
function snapshot_info() {
if [ -e "${disk_img}" ]; then
${QEMU_IMG} info "${disk_img}"
fi
}
function get_port() {
local PORT_START=$1
local PORT_RANGE=$((PORT_START+$2))
local PORT
for ((PORT = PORT_START; PORT <= PORT_RANGE; PORT++)); do
# Make sure port scans do not block too long.
timeout 0.1s bash -c "echo >/dev/tcp/127.0.0.1/${PORT}" >/dev/null 2>&1
if [ ${?} -eq 1 ]; then
echo "${PORT}"
break
fi
done
}
function enable_usb_passthrough() {
local DEVICE=""
local USB_BUS=""
local USB_DEV=""
local USB_NAME=""
local VENDOR_ID=""
local PRODUCT_ID=""
local USB_NOT_READY=0
# Have any USB devices been requested for pass-through?
if (( ${#usb_devices[@]} )); then
echo " - USB: Host pass-through requested:"
for DEVICE in "${usb_devices[@]}"; do
VENDOR_ID=$(echo "${DEVICE}" | cut -d':' -f1)
PRODUCT_ID=$(echo "${DEVICE}" | cut -d':' -f2)
USB_BUS=$(lsusb -d "${VENDOR_ID}:${PRODUCT_ID}" | cut -d' ' -f2)
USB_DEV=$(lsusb -d "${VENDOR_ID}:${PRODUCT_ID}" | cut -d' ' -f4 | cut -d':' -f1)
USB_NAME=$(lsusb -d "${VENDOR_ID}:${PRODUCT_ID}" | cut -d' ' -f7-)
if [ -z "${USB_NAME}" ]; then
echo " ! USB device ${VENDOR_ID}:${PRODUCT_ID} not found. Check your configuration"
continue
elif [ -w "/dev/bus/usb/${USB_BUS}/${USB_DEV}" ]; then
echo " o ${USB_NAME} on bus ${USB_BUS} device ${USB_DEV} is accessible."
else
echo " x ${USB_NAME} on bus ${USB_BUS} device ${USB_DEV} needs permission changes:"
echo " sudo chown -v root:${USER} /dev/bus/usb/${USB_BUS}/${USB_DEV}"
USB_NOT_READY=1
fi
USB_PASSTHROUGH="${USB_PASSTHROUGH} -device usb-host,bus=hostpass.0,vendorid=0x${VENDOR_ID},productid=0x${PRODUCT_ID}"
done
if [ "${USB_NOT_READY}" -eq 1 ]; then
echo " ERROR! USB permission changes are required 👆"
exit 1
fi
fi
}
function check_cpu_flag() {
local HOST_CPU_FLAG="${1}"
if lscpu | grep -o "^Flags\b.*: .*\b${HOST_CPU_FLAG}\b" > /dev/null; then
return 0
else
return 1
fi
}
function efi_vars() {
local VARS_IN=""
local VARS_OUT=""
VARS_IN="${1}"
VARS_OUT="${2}"
if [ ! -e "${VARS_OUT}" ]; then
if [ -e "${VARS_IN}" ]; then
cp "${VARS_IN}" "${VARS_OUT}"
else
echo "ERROR! ${VARS_IN} was not found. Please install edk2."
exit 1
fi
fi
}
function vm_boot() {
local AUDIO_DEV=""
local BALLOON="-device virtio-balloon"
local BOOT_STATUS=""
local CPU=""
local DISK_USED=""
local DISPLAY_DEVICE=""
local DISPLAY_RENDER=""
local EFI_CODE="${EFI_CODE}"
local EFI_VARS=""
local GUEST_CPU_CORES=""
local GUEST_CPU_LOGICAL_CORES=""
local GUEST_CPU_THREADS=""
local HOST_CPU_CORES=""
local HOST_CPU_SMT=""
local HOST_CPU_SOCKETS=""
local HOST_CPU_VENDOR=""
local GUEST_TWEAKS=""
local KERNEL_NAME="Unknown"
local KERNEL_NODE=""
local KERNEL_VER="?"
local LSB_DESCRIPTION="Unknown OS"
local MACHINE_TYPE="${MACHINE_TYPE:-q35}"
local MAC_BOOTLOADER=""
local MAC_MISSING=""
local MAC_DISK_DEV="${MAC_DISK_DEV:-ide-hd,bus=ahci.2}"
local NET_DEVICE="${NET_DEVICE:-virtio-net}"
local OSK=""
local SOUND=""
local SMM="${SMM:-off}"
local USB_HOST_PASSTHROUGH_CONTROLLER="qemu-xhci"
local VGA=""
local VIDEO=""
KERNEL_NAME=$(uname --kernel-name)
KERNEL_NODE="($(uname --nodename))"
KERNEL_VER=$(uname --kernel-release | cut -d'.' -f1-2)
if command -v lsb_release &>/dev/null; then
LSB_DESCRIPTION=$(lsb_release --description --short)
elif [ -e /etc/os-release ]; then
LSB_DESCRIPTION=$(grep PRETTY_NAME /etc/os-release | cut -d'"' -f2)
fi
echo "Quickemu ${VERSION} using ${QEMU} v${QEMU_VER_LONG}"
echo " - Host: ${LSB_DESCRIPTION} running ${KERNEL_NAME} ${KERNEL_VER} ${KERNEL_NODE}"
HOST_CPU_CORES=$(nproc)
HOST_CPU_MODEL=$(lscpu | grep '^Model name:' | cut -d':' -f2 | sed 's/ //g')
HOST_CPU_SOCKETS=$(lscpu | grep -E 'Socket' | cut -d':' -f2 | sed 's/ //g')
HOST_CPU_VENDOR=$(lscpu | grep -E 'Vendor' | cut -d':' -f2 | sed 's/ //g')
# A CPU with Intel VT-x / AMD SVM support is required
if [ "${HOST_CPU_VENDOR}" == "GenuineIntel" ]; then
if ! check_cpu_flag vmx; then
echo "ERROR! Intel VT-x support is required."
exit 1
fi
elif [ "${HOST_CPU_VENDOR}" == "AuthenticAMD" ]; then
if ! check_cpu_flag svm; then
echo "ERROR! AMD SVM support is required."
exit 1
fi
fi
if [ -z "${cpu_cores}" ]; then
if [ "${HOST_CPU_CORES}" -ge 32 ]; then
GUEST_CPU_CORES="16"
elif [ "${HOST_CPU_CORES}" -ge 16 ]; then
GUEST_CPU_CORES="8"
elif [ "${HOST_CPU_CORES}" -ge 8 ]; then
GUEST_CPU_CORES="4"
elif [ "${HOST_CPU_CORES}" -ge 4 ]; then
GUEST_CPU_CORES="2"
else
GUEST_CPU_CORES="1"
fi
else
GUEST_CPU_CORES="${cpu_cores}"
fi
# Account for Hyperthreading/SMT.
if [ -e /sys/devices/system/cpu/smt/control ] && [ "${GUEST_CPU_CORES}" -ge 2 ]; then
HOST_CPU_SMT=$(cat /sys/devices/system/cpu/smt/control)
case ${HOST_CPU_SMT} in
on)
GUEST_CPU_THREADS=2
GUEST_CPU_LOGICAL_CORES=$(( GUEST_CPU_CORES / GUEST_CPU_THREADS ))
;;
*)
GUEST_CPU_THREADS=1
GUEST_CPU_LOGICAL_CORES=${GUEST_CPU_CORES}
;;
esac
else
GUEST_CPU_THREADS=1
GUEST_CPU_LOGICAL_CORES=${GUEST_CPU_CORES}
fi
local SMP="-smp cores=${GUEST_CPU_LOGICAL_CORES},threads=${GUEST_CPU_THREADS},sockets=${HOST_CPU_SOCKETS}"
echo " - CPU: ${HOST_CPU_MODEL}"
echo -n " - CPU VM: ${HOST_CPU_SOCKETS} Socket(s), ${GUEST_CPU_LOGICAL_CORES} Core(s), ${GUEST_CPU_THREADS} Thread(s)"
local RAM_VM="2G"
if [ -z "${ram}" ]; then
local RAM_HOST=""
RAM_HOST=$(free --mega -h | grep Mem | cut -d':' -f2 | cut -d'G' -f1 | sed 's/ //g')
#Round up - https://github.com/wimpysworld/quickemu/issues/11
RAM_HOST=$(printf '%.*f\n' 0 "${RAM_HOST}")
if [ "${RAM_HOST}" -ge 128 ]; then
RAM_VM="32G"
elif [ "${RAM_HOST}" -ge 64 ]; then
RAM_VM="16G"
elif [ "${RAM_HOST}" -ge 16 ]; then
RAM_VM="8G"
elif [ "${RAM_HOST}" -ge 8 ]; then
RAM_VM="4G"
fi
else
RAM_VM="${ram}"
fi
echo ", ${RAM_VM} RAM"
if [ "${guest_os}" == "macos" ] || [ "${guest_os}" == "windows" ]; then
if [ "${RAM_VM//G/}" -lt 4 ]; then
echo "ERROR! You have insufficient RAM to run ${guest_os} in a VM"
exit 1
fi
fi
# Force to lowercase.
boot=${boot,,}
guest_os=${guest_os,,}
if [ "${guest_os}" == "macos" ] || [ "${guest_os}" == "windows" ]; then
# Display MSRs alert if the guest is macOS or windows
ignore_msrs_alert
fi
# Always Boot macOS using EFI
if [ "${guest_os}" == "macos" ]; then
boot="efi"
if [ -e "${VMDIR}/OVMF_CODE.fd" ] && [ -e "${VMDIR}/OVMF_VARS-1024x768.fd" ]; then
EFI_CODE="${VMDIR}/OVMF_CODE.fd"
EFI_VARS="${VMDIR}/OVMF_VARS-1024x768.fd"
elif [ -e "${VMDIR}/OVMF_CODE.fd" ] && [ -e "${VMDIR}/OVMF_VARS-1920x1080.fd" ]; then
EFI_CODE="${VMDIR}/OVMF_CODE.fd"
EFI_VARS="${VMDIR}/OVMF_VARS-1920x1080.fd"
else
MAC_MISSING="Firmware"
fi
if [ -e "${VMDIR}/OpenCore.qcow2" ]; then
MAC_BOOTLOADER="${VMDIR}/OpenCore.qcow2"
elif [ -e "${VMDIR}/ESP.qcow2" ]; then
# Backwards compatibility for Clover
MAC_BOOTLOADER="${VMDIR}/ESP.qcow2"
else
MAC_MISSING="Bootloader"
fi
if [ -n "${MAC_MISSING}" ]; then
echo "ERROR! macOS ${MAC_MISSING} was not found."
echo " Use 'quickget' to download the required files."
exit 1
fi
BOOT_STATUS="EFI (macOS), OVMF ($(basename "${EFI_CODE}")), SecureBoot (${secureboot})."
elif [[ "${boot}" == *"efi"* ]]; then
EFI_VARS="${VMDIR}/OVMF_VARS.fd"
# Preserve backward compatibility
if [ -e "${VMDIR}/${VMNAME}-vars.fd" ]; then
mv "${VMDIR}/${VMNAME}-vars.fd" "${EFI_VARS}"
elif [ -e "${VMDIR}/OVMF_VARS_4M.fd" ]; then
mv "${VMDIR}/OVMF_VARS_4M.fd" "${EFI_VARS}"
fi
# OVMF_CODE_4M.fd is for booting guests in non-Secure Boot mode.
# While this image technically supports Secure Boot, it does so
# without requiring SMM support from QEMU
# OVMF_CODE.secboot.fd is like OVMF_CODE_4M.fd, but will abort if QEMU
# does not support SMM.
# https://bugzilla.redhat.com/show_bug.cgi?id=1929357#c5
if [ -n "${EFI_CODE}" ] || [ ! -e "${EFI_CODE}" ]; then
case ${secureboot} in
on)
ovmfs=("/usr/share/OVMF/OVMF_CODE_4M.secboot.fd","/usr/share/OVMF/OVMF_VARS_4M.fd" \
"/usr/share/edk2/ovmf/OVMF_CODE.secboot.fd","/usr/share/edk2/ovmf/OVMF_VARS.fd" \
"/usr/share/OVMF/x64/OVMF_CODE.secboot.fd","/usr/share/OVMF/x64/OVMF_VARS.fd" \
"/usr/share/edk2-ovmf/OVMF_CODE.secboot.fd","/usr/share/edk2-ovmf/OVMF_VARS.fd" \
"/usr/share/qemu/ovmf-x86_64-smm-ms-code.bin","/usr/share/qemu/ovmf-x86_64-smm-ms-vars.bin" \
"/usr/share/qemu/edk2-x86_64-secure-code.fd","/usr/share/qemu/edk2-x86_64-code.fd" \
"/usr/share/edk2-ovmf/x64/OVMF_CODE.secboot.fd","/usr/share/edk2-ovmf/x64/OVMF_VARS.fd"
)
;;
*)
ovmfs=("/usr/share/OVMF/OVMF_CODE_4M.fd","/usr/share/OVMF/OVMF_VARS_4M.fd" \
"/usr/share/edk2/ovmf/OVMF_CODE.fd","/usr/share/edk2/ovmf/OVMF_VARS.fd" \
"/usr/share/OVMF/OVMF_CODE.fd","/usr/share/OVMF/OVMF_VARS.fd" \
"/usr/share/OVMF/x64/OVMF_CODE.fd","/usr/share/OVMF/x64/OVMF_VARS.fd" \
"/usr/share/edk2-ovmf/OVMF_CODE.fd","/usr/share/edk2-ovmf/OVMF_VARS.fd" \
"/usr/share/qemu/ovmf-x86_64-4m-code.bin","/usr/share/qemu/ovmf-x86_64-4m-vars.bin" \
"/usr/share/qemu/edk2-x86_64-code.fd","/usr/share/qemu/edk2-x86_64-code.fd" \
"/usr/share/edk2-ovmf/x64/OVMF_CODE.fd","/usr/share/edk2-ovmf/x64/OVMF_VARS.fd"
)
;;
esac
# Attempt each EFI_CODE file one by one, selecting the corresponding code and vars
# when an existing file is found.
_IFS=$IFS
IFS=","
for f in "${ovmfs[@]}"; do
set -- $f;
if [ -e "${1}" ]; then
EFI_CODE="${1}"
EFI_EXTRA_VARS="${2}"
fi
done
IFS=$_IFS
fi
if [ -z "${EFI_CODE}" ] || [ ! -e "${EFI_CODE}" ]; then
if [ "$secureboot" == "on" ]; then
echo "ERROR! SecureBoot was requested but no SecureBoot capable firmware was found."
else
echo "ERROR! EFI boot requested but no EFI firmware found."
fi
echo " Please install OVMF firmware."
exit 1
fi
if [ ! -z "${EFI_EXTRA_VARS}" ]; then
if [ ! -e "${EFI_EXTRA_VARS}" ]; then
echo " - EFI: ERROR! EFI_EXTRA_VARS file ${EFI_EXTRA_VARS} does not exist."
exit 1
fi
efi_vars "${EFI_EXTRA_VARS}" "${EFI_VARS}"
fi
# Make sure EFI_VARS references an actual, writeable, file
if [ ! -f "${EFI_VARS}" ] || [ ! -w "${EFI_VARS}" ]; then
echo " - EFI: ERROR! ${EFI_VARS} is not a regular file or not writeable."
echo " Deleting ${EFI_VARS}. Please re-run quickemu."
rm -f "${EFI_VARS}"
exit 1
fi
# If EFI_CODE references a symlink, resolve it to the real file.
if [ -L "${EFI_CODE}" ]; then
echo " - EFI: WARNING! ${EFI_CODE} is a symlink."
echo -n " Resolving to... "
EFI_CODE=$(realpath "${EFI_CODE}")
echo "${EFI_CODE}"
fi
BOOT_STATUS="EFI (${guest_os^}), OVMF (${EFI_CODE}), SecureBoot (${secureboot})."
else
BOOT_STATUS="Legacy BIOS (${guest_os^})"
boot="legacy"
secureboot="off"
fi
echo " - BOOT: ${BOOT_STATUS}"
# Make any OS specific adjustments
case ${guest_os} in
batocera|*bsd|freedos|haiku|linux|*solaris)
CPU="-cpu host,kvm=on"
if [ "${HOST_CPU_VENDOR}" == "AuthenticAMD" ]; then
CPU="${CPU},topoext"
fi
if [ "${guest_os}" == "freebsd" ] || [ "${guest_os}" == "ghostbsd" ]; then
MOUSE="usb"
elif [ "${guest_os}" == "batocera" ] || [ "${guest_os}" == "freedos" ] || [ "${guest_os}" == "haiku" ]; then
MACHINE_TYPE="pc"
NET_DEVICE="rtl8139"
fi
if [ "${guest_os}" == "freedos" ] ; then
# fix for #382
SMM="on"
SOUND_CARD="sb16"
fi
if [[ "${guest_os}" == *"solaris" ]]; then
MACHINE_TYPE="pc"
USB_CONTROLLER="xhci"
SOUND_CARD="ac97"
fi
if [ -z "${disk_size}" ]; then
disk_size="16G"
fi
;;
kolibrios|reactos)
CPU="-cpu qemu32,kvm=on"
if [ "${HOST_CPU_VENDOR}" == "AuthenticAMD" ]; then
CPU="${CPU},topoext"
fi
MACHINE_TYPE="pc"
case ${guest_os} in
kolibrios) NET_DEVICE="rtl8139";;
reactos)
NET_DEVICE="e1000"
KEYBOARD="ps2"
;;
esac
;;
macos)
#https://www.nicksherlock.com/2020/06/installing-macos-big-sur-on-proxmox/
# A CPU with SSE4.1 support is required for >= macOS Sierra
# A CPU with AVX2 support is required for >= macOS Ventura
case ${macos_release} in
ventura)
if check_cpu_flag sse4_1 && check_cpu_flag avx2; then
CPU="-cpu Haswell,kvm=on,vendor=GenuineIntel,+sse3,+sse4.2,+aes,+xsave,+avx,+xsaveopt,+xsavec,+xgetbv1,+avx2,+bmi2,+smep,+bmi1,+fma,+movbe,+invtsc,+avx2"
else
echo "ERROR! macOS ${macos_release} requires a CPU with SSE 4.1 and AVX2 support."
exit 1
fi
;;
*)
if check_cpu_flag sse4_1; then
# Used in past versions: +movbe,+smep,+xgetbv1,+xsavec,+avx2
# Warn on AMD: +fma4,+pcid
CPU="-cpu Penryn,kvm=on,vendor=GenuineIntel,+aes,+avx,+bmi1,+bmi2,+fma,+hypervisor,+invtsc,+kvm_pv_eoi,+kvm_pv_unhalt,+popcnt,+ssse3,+sse4.2,vmware-cpuid-freq=on,+xsave,+xsaveopt,check"
else
echo "ERROR! macOS ${macos_release} requires a CPU with SSE 4.1 support."
exit 1
fi
;;
esac
OSK=$(echo "bheuneqjbexolgurfrjbeqfthneqrqcyrnfrqbagfgrny(p)NccyrPbzchgreVap" | tr 'A-Za-z' 'N-ZA-Mn-za-m')
# Disable S3 support in the VM to prevent macOS suspending during install
GUEST_TWEAKS="-no-hpet -global kvm-pit.lost_tick_policy=discard -global ICH9-LPC.disable_s3=1 -device isa-applesmc,osk=${OSK}"
# Tune Qemu optimisations based on the macOS release, or fallback to lowest
# common supported options if none is specified.
# * VirtIO Block Media doesn't work in High Sierra (at all) or the Mojave (Recovery Image)
# * VirtIO Network is supported since Big Sur
# * VirtIO Memory Balloning is supported since Big Sur (https://pmhahn.github.io/virtio-balloon/)
# * VirtIO RNG is supported since Big Sur, but exposed to all guests by default.
case ${macos_release} in
catalina)
BALLOON=""
MAC_DISK_DEV="virtio-blk-pci"
NET_DEVICE="vmxnet3"
USB_HOST_PASSTHROUGH_CONTROLLER="usb-ehci"
;;
big-sur|monterey|ventura)
BALLOON="-device virtio-balloon"
MAC_DISK_DEV="virtio-blk-pci"
NET_DEVICE="virtio-net"
USB_HOST_PASSTHROUGH_CONTROLLER="nec-usb-xhci"
GUEST_TWEAKS="${GUEST_TWEAKS} -global nec-usb-xhci.msi=off"
;;
*)
# Backwards compatibility if no macos_release is specified.
# Also safe catch all for High Sierra and Mojave
BALLOON=""
MAC_DISK_DEV="ide-hd,bus=ahci.2"
NET_DEVICE="vmxnet3"
USB_HOST_PASSTHROUGH_CONTROLLER="usb-ehci"
;;
esac
if [ -z "${disk_size}" ]; then
disk_size="96G"
fi
;;
windows)
if [ "${QEMU_VER_SHORT}" -gt 60 ]; then
CPU="-cpu host,kvm=on,+hypervisor,+invtsc,l3-cache=on,migratable=no,hv_passthrough"
else
CPU="-cpu host,kvm=on,+hypervisor,+invtsc,l3-cache=on,migratable=no,hv_frequencies,kvm_pv_unhalt,hv_reenlightenment,hv_relaxed,hv_spinlocks=8191,hv_stimer,hv_synic,hv_time,hv_vapic,hv_vendor_id=1234567890ab,hv_vpindex"
fi
if [ "${HOST_CPU_VENDOR}" == "AuthenticAMD" ]; then
CPU="${CPU},topoext"
fi
# Disable S3 support in the VM to ensure Windows can boot with SecureBoot enabled
# - https://wiki.archlinux.org/title/QEMU#VM_does_not_boot_when_using_a_Secure_Boot_enabled_OVMF
GUEST_TWEAKS="-no-hpet -global kvm-pit.lost_tick_policy=discard -global ICH9-LPC.disable_s3=1"
if [ -z "${disk_size}" ]; then
disk_size="64G"
fi
SMM="on"
;;
*)
CPU="-cpu host,kvm=on"
NET_DEVICE="rtl8139"
if [ -z "${disk_size}" ]; then
disk_size="32G"
fi
echo "WARNING! Unrecognised guest OS: ${guest_os}"
;;
esac
echo " - Disk: ${disk_img} (${disk_size})"
if [ ! -f "${disk_img}" ]; then
# If there is no disk image, create a new image.
mkdir -p "${VMDIR}" 2>/dev/null
case ${preallocation} in
off|metadata|falloc|full) true;;
*)
echo "ERROR! ${preallocation} is an unsupported disk preallocation option."
exit 1;;
esac
# https://blog.programster.org/qcow2-performance
if ! ${QEMU_IMG} create -q -f qcow2 -o lazy_refcounts=on,preallocation="${preallocation}" "${disk_img}" "${disk_size}"; then
echo "ERROR! Failed to create ${disk_img}"
exit 1
fi
if [ -z "${iso}" ] && [ -z "${img}" ]; then
echo "ERROR! You haven't specified a .iso or .img image to boot from."
exit 1
fi
echo " Just created, booting from ${iso}${img}"
DISK_USED="no"
elif [ -e "${disk_img}" ]; then
# Check there isn't already a process attached to the disk image.
if ! ${QEMU_IMG} info "${disk_img}" >/dev/null; then
echo " Failed to get \"write\" lock. Is another process using the disk?"
exit 1
else
# Only check disk image size if preallocation is off
if [ "${preallocation}" == "off" ]; then
DISK_CURR_SIZE=$(stat -c%s "${disk_img}")
if [ "${DISK_CURR_SIZE}" -le "${DISK_MIN_SIZE}" ]; then
echo " Looks unused, booting from ${iso}${img}"
if [ -z "${iso}" ] && [ -z "${img}" ]; then
echo "ERROR! You haven't specified a .iso or .img image to boot from."
exit 1
fi
else
DISK_USED="yes"
fi
else
DISK_USED="yes"
fi
fi
fi
if [ "${DISK_USED}" == "yes" ] && [ "${guest_os}" != "kolibrios" ]; then
# If there is a disk image that appears to be used do not boot from installation media.
iso=""
img=""
fi
# Has the status quo been requested?
if [ "${STATUS_QUO}" == "-snapshot" ]; then
if [ -z "${img}" ] && [ -z "${iso}" ]; then
echo " Existing disk state will be preserved, no writes will be committed."
fi
fi
if [ -n "${iso}" ] && [ -e "${iso}" ]; then
echo " - Boot ISO: ${iso}"
elif [ -n "${img}" ] && [ -e "${img}" ]; then
echo " - Recovery: ${img}"
fi
if [ -n "${fixed_iso}" ] && [ -e "${fixed_iso}" ]; then
echo " - CD-ROM: ${fixed_iso}"
fi
# Setup the appropriate audio device based on the display output
# https://www.kraxel.org/blog/2020/01/qemu-sound-audiodev/
case ${OUTPUT} in
none|spice|spice-app) AUDIO_DEV="spice,id=audio0";;
*) AUDIO_DEV="pa,id=audio0";;
esac
# Determine a sane resolution for Linux guests.
if [ "${guest_os}" == "linux" ]; then
local X_RES=1152
local Y_RES=648
if [ "${XDG_SESSION_TYPE}" == "x11" ] || [ "${XDG_SESSION_TYPE}" == "wayland" ]; then
if [ -z "${SCREEN}" ]; then
X_RES=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f1 | sort | head -n1)
Y_RES=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f2 | cut -d'x' -f2 | sort | head -n1)
else
X_RES=$(xrandr --listmonitors | grep -v Monitors | grep "^ ${SCREEN}:" | cut -d' ' -f4 | cut -d'/' -f1 | head -n1)
Y_RES=$(xrandr --listmonitors | grep -v Monitors | grep "^ ${SCREEN}:" | cut -d' ' -f4 | cut -d'/' -f2 | cut -d'x' -f2 | head -n1)
fi
if [ "${FULLSCREEN}" ]; then
:
elif [ "${SCREENPCT}" ] ; then
X_RES=$(( X_RES*SCREENPCT/100 ))
Y_RES=$(( Y_RES*SCREENPCT/100 ))
elif [ "${X_RES}" -ge 3840 ]; then
X_RES=3200
Y_RES=1800
elif [ "${X_RES}" -ge 2560 ]; then
X_RES=2048
Y_RES=1152
elif [ "${X_RES}" -ge 1920 ]; then
X_RES=1664
Y_RES=936
elif [ "${X_RES}" -ge 1280 ]; then
X_RES=1152
Y_RES=648
else
:
fi
fi
fi
# https://www.kraxel.org/blog/2019/09/display-devices-in-qemu/
if [ "${guest_os}" == "linux" ]; then
case ${OUTPUT} in
none|spice|spice-app)
DISPLAY_DEVICE="virtio-gpu";;
*)
DISPLAY_DEVICE="virtio-vga";;
esac
elif [ "${guest_os}" == "macos" ]; then
# qxl-vga supports seamless mouse and sane resolutions if only one scanout
# is used. Which is whay '-vga none' is added to the QEMU command line.
DISPLAY_DEVICE="qxl-vga"
elif [ "${guest_os}" == "windows" ]; then
case ${OUTPUT} in
# virtio-gpu "works" with gtk but is limited to 1024x1024 and exhibits other issues.
# https://kevinlocke.name/bits/2021/12/10/windows-11-guest-virtio-libvirt/#video
gtk|none|spice) DISPLAY_DEVICE="qxl-vga";;
sdl|spice-app) DISPLAY_DEVICE="virtio-vga";;
esac
elif [ "${guest_os}" == "solaris" ]; then
DISPLAY_DEVICE="vmware-svga"
else
DISPLAY_DEVICE="qxl-vga"
fi
# Map Quickemu OUTPUT to QEMU -display
case ${OUTPUT} in
gtk) DISPLAY_RENDER="${OUTPUT},grab-on-hover=on,zoom-to-fit=off,gl=${gl}";;
none|spice) DISPLAY_RENDER="none";;
sdl) DISPLAY_RENDER="${OUTPUT},gl=${gl}";;
spice-app) DISPLAY_RENDER="${OUTPUT},gl=${gl}";;
*) DISPLAY_RENDER="${OUTPUT}";;
esac
# https://www.kraxel.org/blog/2021/05/virtio-gpu-qemu-graphics-update/
if [ "${gl}" == "on" ] && [ "${DISPLAY_DEVICE}" == "virtio-vga" ]; then
if [ "${QEMU_VER_SHORT}" -ge 61 ]; then
DISPLAY_DEVICE="${DISPLAY_DEVICE}-gl"
else
DISPLAY_DEVICE="${DISPLAY_DEVICE},virgl=on"
fi
echo " - Display: ${OUTPUT^^}, ${DISPLAY_DEVICE}, GL (${gl}), VirGL (on)"
else
echo " - Display: ${OUTPUT^^}, ${DISPLAY_DEVICE}, GL (${gl}), VirGL (off)"
fi
# Build the video configuration
VIDEO="-device ${DISPLAY_DEVICE}"
# Try and coerce the display resolution for Linux guests only.
if [ "${guest_os}" == "linux" ]; then
VIDEO="${VIDEO},xres=${X_RES},yres=${Y_RES}"
fi
# Allocate VRAM to VGA devices
case ${DISPLAY_DEVICE} in
bochs-display) VIDEO="${VIDEO},vgamem=67108864";;
qxl|qxl-vga) VIDEO="${VIDEO},ram_size=65536,vram_size=65536,vgamem_mb=64";;
ati-vga|cirrus-vga|VGA|vmware-svga) VIDEO="${VIDEO},vgamem_mb=64";;
esac
# Configure multiscreen if max_outputs was provided in the .conf file
if [ -v max_outputs ]; then
VIDEO="${VIDEO},max_outputs=${max_outputs}"
fi
# Run QEMU with '-vga none' to avoid having two scanouts, one for VGA and
# another for virtio-vga-gl. This works around a GTK assertion failure and
# allows seamless mouse in macOS when using the qxl-vga device.
# https://www.collabora.com/news-and-blog/blog/2021/11/26/venus-on-qemu-enabling-new-virtual-vulkan-driver/
# https://github.com/quickemu-project/quickemu/issues/222
VGA="-vga none"
# Add fullscreen options
VIDEO="${VGA} ${VIDEO} ${FULLSCREEN}"
# Build the sound hardware configuration
if [ "${SOUND_CARD}" == "intel-hda" ]; then
SOUND="-device intel-hda -device hda-duplex,audiodev=audio0"
elif [ "${SOUND_CARD}" == "ac97" ] || [ "${SOUND_CARD}" == "es1370" ] || [ "${SOUND_CARD}" == "sb16" ]; then
SOUND="-device ${SOUND_CARD},audiodev=audio0"
elif [ "${SOUND_CARD}" == "none" ]; then
SOUND=""
fi
echo " - Sound: ${SOUND_CARD}"
# Set the hostname of the VM
local NET="user,hostname=${VMNAME}"
echo -n "" > "${VMDIR}/${VMNAME}.ports"
if [ -z "${SSH_PORT}" ]; then
# Find a free port to expose ssh to the guest
SSH_PORT=$(get_port 22220 9)
fi
if [ -n "${SSH_PORT}" ]; then
echo "ssh,${SSH_PORT}" >> "${VMDIR}/${VMNAME}.ports"
NET="${NET},hostfwd=tcp::${SSH_PORT}-:22"
echo " - ssh: On host: ssh user@localhost -p ${SSH_PORT}"
else
echo " - ssh: All ssh ports have been exhausted."
fi
# Have any port forwards been requested?
if (( ${#port_forwards[@]} )); then
echo " - PORTS: Port forwards requested:"
for FORWARD in "${port_forwards[@]}"; do
HOST_PORT=$(echo "${FORWARD}" | cut -d':' -f1)
GUEST_PORT=$(echo "${FORWARD}" | cut -d':' -f2)
echo " - ${HOST_PORT} => ${GUEST_PORT}"
NET="${NET},hostfwd=tcp::${HOST_PORT}-:${GUEST_PORT}"
NET="${NET},hostfwd=udp::${HOST_PORT}-:${GUEST_PORT}"
done
fi
if [ "${OUTPUT}" == "none" ] || [ "${OUTPUT}" == "spice" ] || [ "${OUTPUT}" == "spice-app" ]; then
local SPICE="disable-ticketing=on"
# gl=on can be use with 'spice' too, but only over local connections (not tcp ports)
if [ "${OUTPUT}" == "spice-app" ]; then
SPICE+=",gl=${gl}"
fi
# TODO: Don't use ports so local-only connections can be used with gl=on
if [ -z "${SPICE_PORT}" ]; then
# Find a free port for spice
SPICE_PORT=$(get_port 5930 9)
fi
# ALLOW REMOTE ACCESS TO SPICE OVER LAN RATHER THAN JUST LOCALHOST
if [ -z "${ACCESS}" ]; then
SPICE_ADDR="127.0.0.1"
else
if [ "${ACCESS}" == "remote" ]; then
SPICE_ADDR=""
elif [ "${ACCESS}" == "local" ]; then
SPICE_ADDR="127.0.0.1"
else
SPICE_ADDR="${ACCESS}"
fi
fi
if [ -z "${SPICE_PORT}" ]; then
echo " - SPICE: All SPICE ports have been exhausted."
if [ "${OUTPUT}" == "none" ] || [ "${OUTPUT}" == "spice" ] || [ "${OUTPUT}" == "spice-app" ]; then
echo " ERROR! Requested SPICE display, but no SPICE ports are free."
exit 1
fi
else
if [ "${OUTPUT}" == "spice-app" ]; then
echo " - SPICE: Enabled"
else
echo "spice,${SPICE_PORT}" >> "${VMDIR}/${VMNAME}.ports"
echo -n " - SPICE: On host: spicy --title \"${VMNAME}\" --port ${SPICE_PORT}"
if [ "${guest_os}" != "macos" ] && [ -n "${PUBLIC}" ]; then
echo -n " --spice-shared-dir ${PUBLIC}"
fi
echo "${FULLSPICY}"
SPICE="${SPICE},port=${SPICE_PORT},addr=${SPICE_ADDR}"
fi
fi
fi
if [ -n "${PUBLIC}" ]; then
case ${guest_os} in
macos)
if [ "${OUTPUT}" == "none" ] || [ "${OUTPUT}" == "spice" ] || [ "${OUTPUT}" == "spice-app" ]; then
# Reference: https://gitlab.gnome.org/GNOME/phodav/-/issues/5
echo " - WebDAV: On guest: build spice-webdavd (https://gitlab.gnome.org/GNOME/phodav/-/merge_requests/24)"
echo " - WebDAV: On guest: Finder -> Connect to Server -> http://localhost:9843/"
fi
;;
*)
echo " - WebDAV: On guest: dav://localhost:9843/";;
esac
fi
if [ "${guest_os}" != "windows" ] && [ -n "${PUBLIC}" ]; then
echo -n " - 9P: On guest: "
if [ "${guest_os}" == "linux" ]; then
echo "sudo mount -t 9p -o trans=virtio,version=9p2000.L,msize=104857600 ${PUBLIC_TAG} ~/$(basename "${PUBLIC}")"
elif [ "${guest_os}" == "macos" ]; then
# PUBLICSHARE needs to be world writeable for seamless integration with
# macOS. Test if it is world writeable, and prompt what to do if not.
echo "sudo mount_9p ${PUBLIC_TAG}"
if [ "${PUBLIC_PERMS}" != "drwxrwxrwx" ]; then
echo " - 9P: On host: chmod 777 ${PUBLIC}"
echo " Required for macOS integration 👆"
fi
fi
fi
# If smbd is available and ~/Public is present export it to the guest via samba
if [[ -x "$(command -v smbd)" && -n ${PUBLIC} ]]; then
NET="${NET},smb=${PUBLIC}"
echo " - smbd: On guest: smb://10.0.2.4/qemu"
fi
enable_usb_passthrough
echo "#!/usr/bin/env bash" > "${VMDIR}/${VMNAME}.sh"
# Start TPM
if [ "${tpm}" == "on" ]; then
local tpm_args=()
# shellcheck disable=SC2054
tpm_args+=(socket
--ctrl type=unixio,path="${VMDIR}/${VMNAME}.swtpm-sock"
--terminate
--tpmstate dir="${VMDIR}"
--tpm2)
echo "${SWTPM} ${tpm_args[*]} &" >> "${VMDIR}/${VMNAME}.sh"
${SWTPM} "${tpm_args[@]}" >> "${VMDIR}/${VMNAME}.log" &
echo " - TPM: ${VMDIR}/${VMNAME}.swtpm-sock (${!})"
sleep 0.25
fi
# Boot the VM
local args=()
# shellcheck disable=SC2054,SC2206,SC2140
args+=(-name ${VMNAME},process=${VMNAME} -pidfile "${VMDIR}/${VMNAME}.pid"
-enable-kvm -machine ${MACHINE_TYPE},smm=${SMM},vmport=off ${GUEST_TWEAKS}
${CPU} ${SMP}
-m ${RAM_VM} ${BALLOON}
${VIDEO} -display ${DISPLAY_RENDER}
-audiodev ${AUDIO_DEV}
${SOUND}
-rtc base=localtime,clock=host,driftfix=slew)
# Only enable SPICE is using SPICE display
if [ "${OUTPUT}" == "none" ] || [ "${OUTPUT}" == "spice" ] || [ "${OUTPUT}" == "spice-app" ]; then
args+=(-spice ${SPICE}
-device virtio-serial-pci
-chardev socket,id=agent0,path="${VMDIR}/${VMNAME}-agent.sock",server=on,wait=off
-device virtserialport,chardev=agent0,name=org.qemu.guest_agent.0
-chardev spicevmc,id=vdagent0,name=vdagent
-device virtserialport,chardev=vdagent0,name=com.redhat.spice.0
-chardev spiceport,id=webdav0,name=org.spice-space.webdav.0
-device virtserialport,chardev=webdav0,name=org.spice-space.webdav.0)
fi
args+=(-device virtio-rng-pci,rng=rng0
-object rng-random,id=rng0,filename=/dev/urandom
-device ${USB_HOST_PASSTHROUGH_CONTROLLER},id=spicepass
-chardev spicevmc,id=usbredirchardev1,name=usbredir
-device usb-redir,chardev=usbredirchardev1,id=usbredirdev1
-chardev spicevmc,id=usbredirchardev2,name=usbredir
-device usb-redir,chardev=usbredirchardev2,id=usbredirdev2
-chardev spicevmc,id=usbredirchardev3,name=usbredir
-device usb-redir,chardev=usbredirchardev3,id=usbredirdev3
-device pci-ohci,id=smartpass
-device usb-ccid
-chardev spicevmc,id=ccid,name=smartcard
-device ccid-card-passthru,chardev=ccid
)
# setup usb-controller
[ -z "${USB_CONTROLLER}" ] && USB_CONTROLLER="$usb_controller"
if [ "${USB_CONTROLLER}" == "ehci" ]; then
args+=(-device usb-ehci,id=input)
elif [ "${USB_CONTROLLER}" == "xhci" ]; then
args+=(-device qemu-xhci,id=input)
elif [ -z "${USB_CONTROLLER}" ] || [ "${USB_CONTROLLER}" == "none" ]; then
# add nothing
:
else
echo "WARNING! Unknown usb-controller value: '${USB_CONTROLLER}'"
fi
# setup keyboard
# @INFO: must be set after usb-controller
[ -z "${KEYBOARD}" ] && KEYBOARD="$keyboard"
if [ "${KEYBOARD}" == "usb" ]; then
args+=(-device usb-kbd,bus=input.0)
elif [ "${KEYBOARD}" == "virtio" ]; then
args+=(-device virtio-keyboard)
elif [ "${KEYBOARD}" == "ps2" ] || [ -z "${KEYBOARD}" ]; then
# add nothing, default is ps/2 keyboard