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-rwxr-xr-xlaunch-qemu.sh281
1 files changed, 0 insertions, 281 deletions
diff --git a/launch-qemu.sh b/launch-qemu.sh
deleted file mode 100755
index 5174365..0000000
--- a/launch-qemu.sh
+++ /dev/null
@@ -1,281 +0,0 @@
-#!/bin/bash
-
-#
-# user changeable parameters
-#
-HDA_FILE="${HOME}/ubuntu-16.04-desktop.qcow2"
-GUEST_SIZE_IN_MB="2048"
-SEV_GUEST="1"
-SMP_NCPUS="4"
-CONSOLE="serial"
-QEMU_INSTALL_DIR=`pwd`/bin/
-UEFI_BIOS_CODE="`pwd`/share/qemu/OVMF_CODE.fd"
-UEFI_BIOS_VARS="`pwd`/OVMF_VARS.fd"
-#VNC_PORT=""
-AUTOSTART="1"
-ALLOW_DEBUG="0"
-USE_VIRTIO="0"
-
-usage() {
- echo "$0 [options]"
- echo "Available <commands>:"
- echo " -hda hard disk ($HDA_FILE)"
- echo " -nosev disable sev support"
- echo " -mem guest memory"
- echo " -smp number of cpus"
- echo " -console display console to use (serial or graphics)"
- echo " -vnc VNC port to use"
- echo " -bios bios to use (default $UEFI_BIOS_CODE)"
- echo " -kernel kernel to use"
- echo " -initrd initrd to use"
- echo " -noauto do not autostart the guest"
- echo " -cdrom CDROM image"
- echo " -hugetlb use hugetlbfs"
- echo " -allow-debug allow debugging the VM"
- echo " -virtio use virtio devices"
- echo " -gdb start gdbserver"
- exit 1
-}
-
-add_opts() {
- echo -n "$* " >> ${QEMU_CMDLINE}
-}
-
-stop_network() {
- if [ "$GUEST_TAP_NAME" = "" ]; then
- return
- fi
- run_cmd "ip tuntap del ${GUEST_TAP_NAME} mode tap"
-}
-
-exit_from_int() {
- stop_network
-
- rm -rf ${QEMU_CMDLINE}
- # restore the mapping
- stty intr ^c
- exit 1
-}
-
-run_cmd () {
- $*
- if [ $? -ne 0 ]; then
- echo "command $* failed"
- exit 1
- fi
-}
-
-setup_hugetlbfs() {
- HUGETLBFS=`mount | grep hugetlbfs | awk {'print $3'}`
- if [ "${HUGETLBFS}" = "" ]; then
- HUGETLBFS="/hugetlbfs"
- run_cmd "mkdir -p $HUGETLBFS"
- echo "Mounting $HUGETLBFS..."
- run_cmd "mount -t hugetlbfs nodev $HUGETLBFS"
- fi
- # calculate number of hugepage we need for the guest
- HPAGES=$((($GUEST_SIZE_IN_MB / 2) + 50))
- echo -n "Setting hugepage count "
- echo $HPAGES | sudo tee /proc/sys/vm/nr_hugepages
-
- add_opts "-mem-path ${HUGETLBFS}"
-}
-
-setup_bridge_network() {
- # Get last tap device on host
- TAP_NUM=`ifconfig | grep tap | tail -1 | cut -c4- | cut -f1 -d ' ' | cut -f1 -d:`
- if [ "$TAP_NUM" = "" ]; then
- TAP_NUM="1"
- fi
- TAP_NUM=`echo $(( TAP_NUM + 1 ))`
- GUEST_TAP_NAME="tap${TAP_NUM}"
- GUEST_MAC_ADDR=$(printf '00:60:2F:%02X:%02X:%02X\n' $[RANDOM%256] $[RANDOM%256] $[RANDOM%256])
-
- echo "Starting network adapter '${GUEST_TAP_NAME}' MAC=$GUEST_MAC_ADDR"
- run_cmd "ip tuntap add $GUEST_TAP_NAME mode tap user `whoami`"
- run_cmd "ip link set $GUEST_TAP_NAME up"
- run_cmd "ip link set $GUEST_TAP_NAME master br0"
-
- if [ "$USE_VIRTIO" = "1" ]; then
- add_opts "-netdev type=tap,script=no,downscript=no,id=net0,ifname=$GUEST_TAP_NAME"
- add_opts "-device virtio-net-pci,netdev=net0,disable-legacy=on,iommu_platform=true,romfile="
- else
- add_opts "-device e1000,mac=${GUEST_MAC_ADDR},netdev=net0"
- add_opts "-netdev tap,id=net0,ifname=$GUEST_TAP_NAME,script=no,downscript=no"
- fi
-}
-
-trap exit_from_int SIGINT
-
-if [ `id -u` -ne 0 ]; then
- echo "Must be run as root!"
- exit 1
-fi
-
-while [[ $1 != "" ]]; do
- case "$1" in
- -hda) HDA_FILE="${2}"
- shift
- ;;
- -nosev) SEV_GUEST="0"
- ;;
- -mem) GUEST_SIZE_IN_MB=${2}
- shift
- ;;
- -console) CONSOLE=${2}
- shift
- ;;
- -smp) SMP_NCPUS=$2
- shift
- ;;
- -vnc) VNC_PORT=$2
- shift
- if [ "${VNC_PORT}" = "" ]; then
- usage
- fi
- ;;
- -bios) UEFI_BIOS_CODE="`readlink -f $2`"
- shift
- ;;
- -netconsole) NETCONSOLE_PORT=$2
- shift
- ;;
- -initrd) INITRD_FILE=$2
- shift
- ;;
- -kernel) KERNEL_FILE=$2
- shift
- ;;
- -cdrom) CDROM_FILE=$2
- shift
- ;;
- -noauto) AUTOSTART="0"
- ;;
- -hugetlb) USE_HUGETLBFS="1"
- ;;
- -allow-debug) ALLOW_DEBUG="1"
- ;;
- -virtio) USE_VIRTIO="1"
- ;;
- -gdb) USE_GDB="1"
- ;;
- *) usage;;
- esac
- shift
-done
-
-# we add all the qemu command line options into a file
-QEMU_CMDLINE=/tmp/cmdline.$$
-rm -rf ${QEMU_CMDLINE}
-
-add_opts "${QEMU_INSTALL_DIR}qemu-system-x86_64"
-
-# Basic virtual machine property
-add_opts "-enable-kvm -cpu EPYC"
-
-# add number of VCPUs
-[ ! -z ${SMP_NCPUS} ] && add_opts "-smp ${SMP_NCPUS},maxcpus=64"
-
-# define guest memory
-add_opts "-m ${GUEST_SIZE_IN_MB}M,slots=5,maxmem=30G"
-
-# The OVMF binary, including the non-volatile variable store, appears as a
-# "normal" qemu drive on the host side, and it is exposed to the guest as a
-# persistent flash device.
-add_opts "-drive if=pflash,format=raw,unit=0,file=${UEFI_BIOS_CODE},readonly"
-add_opts "-drive if=pflash,format=raw,unit=1,file=${UEFI_BIOS_VARS}"
-
-# add CDROM if specified
-[ ! -z ${CDROM_FILE} ] && add_opts "-drive file=${CDROM_FILE},media=cdrom,index=0"
-
-# If harddisk file is specified then add the HDD drive
-if [ ! -z ${HDA_FILE} ]; then
- if [ "$USE_VIRTIO" = "1" ]; then
- if [[ ${HDA_FILE} = *"qcow2" ]]; then
- add_opts "-drive file=${HDA_FILE},if=none,id=disk0,format=qcow2"
- else
- add_opts "-drive file=${HDA_FILE},if=none,id=disk0,format=raw"
- fi
- add_opts "-device virtio-scsi-pci,id=scsi,disable-legacy=on,iommu_platform=true"
- add_opts "-device scsi-hd,drive=disk0"
- # virtio-blk
- # add_opts "-device virtio-blk-pci,drive=disk0,disable-legacy=on,iommu_platform=true"
- else
- if [[ ${HDA_FILE} = *"qcow2" ]]; then
- add_opts "-drive file=${HDA_FILE},format=qcow2"
- else
- add_opts "-drive file=${HDA_FILE},format=raw"
- fi
- fi
-fi
-
-# If this is SEV guest then add the encryption device objects to enable support
-if [ ${SEV_GUEST} = "1" ]; then
- if [ "${ALLOW_DEBUG}" = "1" ]; then
- SEV_DEBUG_POLICY=",policy=0x0"
- fi
- add_opts "-object sev-guest,id=sev0${SEV_DEBUG_POLICY},cbitpos=47,reduced-phys-bits=1"
- add_opts "-machine memory-encryption=sev0"
-fi
-
-# if we are asked to use hugetlbfs
-[ ! -z ${USE_HUGETLBFS} ] && setup_hugetlbfs
-
-# if console is serial then disable graphical interface
-if [ "${CONSOLE}" = "serial" ]; then
- add_opts "-nographic"
-fi
-
-# if -kernel arg is specified then use the kernel provided in command line for boot
-if [ "${KERNEL_FILE}" != "" ]; then
- add_opts "-kernel $KERNEL_FILE"
- add_opts "-append \"console=ttyS0 earlyprintk=serial root=/dev/sda2\""
- [ ! -z ${INITRD_FILE} ] && add_opts "-initrd ${INITRD_FILE}"
-fi
-
-# start vnc server
-[ ! -z ${VNC_PORT} ] && add_opts "-vnc :${VNC_PORT}" && echo "Starting VNC on port ${VNC_PORT}"
-
-# start monitor on pty and named socket 'monitor'
-add_opts "-monitor pty -monitor unix:monitor,server,nowait"
-
-# do we do not need to autostart the guest
-if [ "${AUTOSTART}" = "0" ]; then
- echo "Disabling autostart"
- add_opts "-S"
-fi
-
-# check if host has bridge network
-BR0_STATUS="`ifconfig | grep br0`"
-if [ "$BR0_STATUS" != "" ]; then
- setup_bridge_network
-fi
-
-# start gdbserver
-[ ! -z ${USE_GDB} ] && add_opts "-s"
-
-# add virtio ring
-if [ "$USE_VIRTIO" = "1" ]; then
- add_opts "-device virtio-rng-pci,disable-legacy=on,iommu_platform=true"
-fi
-
-# log the console output in stdout.log
-QEMU_CONSOLE_LOG=`pwd`/stdout.log
-
-# save the command line args into log file
-cat $QEMU_CMDLINE | tee ${QEMU_CONSOLE_LOG}
-echo | tee -a ${QEMU_CONSOLE_LOG}
-
-
-# map CTRL-C to CTRL ]
-echo "Mapping CTRL-C to CTRL-]"
-stty intr ^]
-
-echo "Launching VM ..."
-bash ${QEMU_CMDLINE} 2>&1 | tee -a ${QEMU_CONSOLE_LOG}
-
-# restore the mapping
-stty intr ^c
-
-rm -rf ${QEMU_CMDLINE}
-stop_network
generated by cgit v1.2.3-71-gd317 (git 2.46.0) at 2025-12-14 19:48:28 +0000