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|
#!/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
|