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-rwxr-xr-x | scripts/run_archiso.sh | 155 |
diff --git a/scripts/run_archiso.sh b/scripts/run_archiso.sh new file mode 100755 index 0000000..210246c --- /dev/null +++ b/scripts/run_archiso.sh @@ -0,0 +1,155 @@ +#!/usr/bin/env bash +# +# Copyright (C) 2020 David Runge <dvzrv@archlinux.org> +# +# SPDX-License-Identifier: GPL-3.0-or-later +# +# A simple script to run an archiso image using qemu. The image can be booted +# using BIOS or UEFI. +# +# Requirements: +# - qemu +# - edk2-ovmf (when UEFI booting) + + +set -eu + +print_help() { + cat << EOF +Usage: + run_archiso [options] + +Options: + -b set boot type to 'bios' (default) + -h print help + -i [image] image to boot into + -s use secure boot (only relevant when using UEFI) + -u set boot type to 'uefi' + +Example: + Run an image using UEFI: + $ run_archiso -u -i archiso-2020.05.23-x86_64.iso +EOF +} + +cleanup_working_dir() { + if [ -d "${working_dir}" ]; then + rm -rf "${working_dir}" + fi +} + +copy_ovmf_vars() { + if [ ! -f /usr/share/edk2-ovmf/x64/OVMF_VARS.fd ]; then + echo "ERROR: OVMF_VARS.fd not found. Install edk2-ovmf." + exit 1 + fi + cp -av /usr/share/edk2-ovmf/x64/OVMF_VARS.fd "${working_dir}" +} + +check_image() { + if [ -z "$image" ]; then + echo "ERROR: Image name can not be empty." + exit 1 + fi + if [ ! -f "$image" ]; then + echo "ERROR: Image file ($image) does not exist." + exit 1 + fi +} + +run_image() { + [ "$boot_type" == "bios" ] && run_image_using_bios + [ "$boot_type" == "uefi" ] && run_image_using_uefi +} + +run_image_using_bios() { + qemu-system-x86_64 \ + -boot order=d,menu=on,reboot-timeout=5000 \ + -m size=3072,slots=0,maxmem=$((3072*1024*1024)) \ + -k en \ + -name archiso,process=archiso_0 \ + -drive file="${image}",media=cdrom,readonly=on,if=virtio \ + -display sdl \ + -vga virtio \ + -device virtio-net-pci,netdev=net0 -netdev user,id=net0 \ + -enable-kvm \ + -no-reboot +} + +run_image_using_uefi() { + local ovmf_code=/usr/share/edk2-ovmf/x64/OVMF_CODE.fd + local secure_boot_state=off + copy_ovmf_vars + if [ "${secure_boot}" == "yes" ]; then + echo "Using Secure Boot" + ovmf_code=/usr/share/edk2-ovmf/x64/OVMF_CODE.secboot.fd + secure_boot_state=on + fi + qemu-system-x86_64 \ + -boot order=d,menu=on,reboot-timeout=5000 \ + -m size=3072,slots=0,maxmem=$((3072*1024*1024)) \ + -k en \ + -name archiso,process=archiso_0 \ + -drive file="${image}",media=cdrom,readonly=on,if=virtio \ + -drive if=pflash,format=raw,unit=0,file="${ovmf_code}",readonly \ + -drive if=pflash,format=raw,unit=1,file="${working_dir}/OVMF_VARS.fd" \ + -machine type=q35,smm=on,accel=kvm \ + -global driver=cfi.pflash01,property=secure,value="${secure_boot_state}" \ + -global ICH9-LPC.disable_s3=1 \ + -display sdl \ + -vga virtio \ + -device virtio-net-pci,netdev=net0 -netdev user,id=net0 \ + -enable-kvm \ + -no-reboot +} + +set_image() { + if [ -z "$image" ]; then + echo "ERROR: Image name can not be empty." + exit 1 + fi + if [ ! -f "$image" ]; then + echo "ERROR: Image ($image) does not exist." + exit 1 + fi + image="$1" +} + +image="" +boot_type="bios" +secure_boot="no" +working_dir="$(mktemp -d)" +trap cleanup_working_dir EXIT + +if [ ${#@} -gt 0 ]; then + while getopts 'bhi:su' flag; do + case "${flag}" in + b) + boot_type=bios + ;; + h) + print_help + exit 0 + ;; + i) + image="$OPTARG" + ;; + u) + boot_type=uefi + ;; + s) + secure_boot=yes + ;; + *) + echo "Error: Wrong option. Try 'run_archiso -h'." + exit 1 + ;; + esac + done +else + print_help + exit 1 +fi + +check_image +run_image |