@@ -1,156 +1,15 @@
-#!/bin/sh
+#!/usr/bin/env python3
#
-# This software is a part of ISAR.
-# Copyright (C) 2015-2017 ilbers GmbH
+# Helper script to start QEMU with Isar image
+# Copyright (c) 2024, ilbers GmbH
-set -e
+import sys, os
+sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'testsuite'))
-ES_OK=0
-ES_BUG=3
+from start_vm import parse_args, start_qemu
-# Convert bitbake assignments to shell ones
-# a = b a=b
-# a ?= b a=b
-# TODO: Use bitbake to parse vars correctly (overriding in local.conf, etc.)
-bb2sh() {
- sed 's/[[:space:]]*?*=[[:space:]]*/=/'
-}
+if __name__ == "__main__":
+ args = parse_args()
-start_qemu() {
- root=`echo $QEMU_DISK_ARGS \
- | sed 's,##ROOTFS_IMAGE##,'$IMAGE_DIR/$ROOTFS_IMAGE','`
- [ -n "$KARGS$EXTRA_KARGS" ] && OPT_KERNEL_ARGS="-append $KARGS$EXTRA_KARGS"
- local had_x
- echo $- | grep -q x && had_x=1 || had_x=0
- [ $had_x -eq 0 ] && set -x
- qemu-system-$QEMU_ARCH \
- -m 1024M \
- -M $QEMU_MACHINE \
- $QCPU \
- -nographic \
- $EXTRA_ARGS \
- $OPT_KERNEL_ARGS \
- $root
- [ $had_x -eq 0 ] && set +x
-}
-
-show_help() {
- echo "This script runs ISAR image in QEMU emulator."
- echo
- echo "Usage:"
- echo " $0 [params] [BUILD_DIR]"
- echo "BUILD_DIR is your ISAR build folder. If not set, current folder"
- echo "is used."
- echo
- echo "Parameters:"
- echo " -a, --arch ARCH set isar machine architecture."
- echo " Supported: arm, i386, amd64, arm64, mipsel, riscv64."
- echo " -b, --build BUILD set path to build directory."
- echo " -d, --distro DISTRO set isar Debian distribution."
- echo " Supported: buster, bullseye, bookworm"
- echo " -o, --out FILE Route QEMU console output to"
- echo " specified file."
- echo " -p, --pid FILE Store QEMU pid to file."
- echo " -s, --secureboot Enable secureboot with default MS keys."
- echo " --help display this message and exit."
- echo
- echo "Exit status:"
- echo " 0 if OK,"
- echo " 3 if invalid parameters are passed."
-}
-
-# Set default values, that can be overwritten from command line
-ARCH=arm
-DISTRO=bookworm
-BUILD_DIR=$PWD
-
-# Parse command line to get user configuration
-while [ $# -gt 0 ]
-do
- key="$1"
-
- case $key in
- -h|--help)
- show_help
- exit 0
- ;;
- -a|--arch)
- ARCH=$2
- shift
- ;;
- -b|--build)
- BUILD_DIR=$2
- shift
- ;;
- -d|--distro)
- DISTRO=$2
- shift
- ;;
- -o|--out)
- EXTRA_ARGS="$EXTRA_ARGS -serial file:$2"
- shift
- ;;
- -p|--pid)
- EXTRA_ARGS="$EXTRA_ARGS -pidfile $2"
- shift
- ;;
- -s|--secureboot)
- OVMF_VARS_ORIG="/usr/share/OVMF/OVMF_VARS_4M.ms.fd"
- OVMF_VARS="$(basename "${OVMF_VARS_ORIG}")"
- cp "${OVMF_VARS_ORIG}" "${OVMF_VARS}"
- EXTRA_ARGS="$EXTRA_ARGS -drive if=pflash,format=raw,unit=1,file=${OVMF_VARS}"
- ;;
- *)
- echo "error: invalid parameter '$key', please try '--help' to get list of supported parameters"
- exit $ES_BUG
- ;;
- esac
-
- shift
-done
-
-eval $(bitbake -e mc:qemu$ARCH-$DISTRO:isar-image-base | grep "^DEPLOY_DIR_IMAGE=")
-readonly IMAGE_DIR=$DEPLOY_DIR_IMAGE
-
-readonly ISARROOT="$(dirname "$0")"/..
-
-readonly MACHINE_CONF=$ISARROOT/meta-isar/conf/machine/qemu$ARCH.conf
-eval "$(egrep 'MACHINE_SERIAL|QEMU_' $MACHINE_CONF |bb2sh)"
-
-eval $(bitbake -e mc:qemu$ARCH-$DISTRO:isar-image-base | grep "\(^IMAGE_FSTYPES=\|^IMAGE_FULLNAME=\)")
-# Take first image type for VM if there are several defined
-IMAGE_FSTYPES=$(echo "$IMAGE_FSTYPES" | awk '{print $1}')
-case "$IMAGE_FSTYPES" in
- ext4)
- readonly ROOTFS_IMAGE=$IMAGE_FULLNAME.ext4
-
- eval $(bitbake -e mc:qemu$ARCH-$DISTRO:isar-image-base | grep "^KERNEL_IMAGE=")
- eval $(bitbake -e mc:qemu$ARCH-$DISTRO:isar-image-base | grep "^INITRD_DEPLOY_FILE=")
- QKERNEL=$IMAGE_DIR/${KERNEL_IMAGE}
- QINITRD=/dev/null
- [ -n "$INITRD_DEPLOY_FILE" ] && QINITRD=$IMAGE_DIR/${INITRD_DEPLOY_FILE}
- if [ "$ARCH" = "riscv64" ]; then
- EXTRA_ARGS="$EXTRA_ARGS -device loader,file=$QKERNEL,addr=0x80200000"
- QKERNEL="/usr/lib/riscv64-linux-gnu/opensbi/qemu/virt/fw_jump.elf"
- fi
- EXTRA_ARGS="$EXTRA_ARGS \
- -kernel $QKERNEL \
- -initrd $QINITRD"
- KARGS="console=$MACHINE_SERIAL root=/dev/$QEMU_ROOTFS_DEV rw $QEMU_KARGS"
- ;;
- wic)
- readonly ROOTFS_IMAGE=$IMAGE_FULLNAME.wic
- EXTRA_ARGS="$EXTRA_ARGS -snapshot"
- ;;
- *)
- echo "IMAGE_FSTYPES \"$IMAGE_FSTYPES\" not supported"
- exit 1
- ;;
-esac
-
-QCPU=
-[ -n "$QEMU_CPU" ] && QCPU="-cpu $QEMU_CPU"
-
-start_qemu
-
-exit $ES_OK
+ start_qemu(args.arch, args.build, args.distro, args.image, args.out,
+ args.pid, args.pcbios)
@@ -57,11 +57,11 @@ $ avocado run ../testsuite/citest.py -t startvm,full
## Manual running
-There is a tool `start_vm.py` which is the replacement for the bash script in
+There is a tool start_vm which is the replacement for the bash script in
`isar/scripts` directory. It can be used to run image previously built:
```
-./start_vm.py -a amd64 -b /build -d bullseye -i isar-image-base
+start_vm -a amd64 -b /build -d bullseye -i isar-image-base
```
# Tests for running commands under qemu images
@@ -529,7 +529,7 @@ BBPATH .= ":${LAYERDIR}"\
'DISTRO', \
target=multiconfig)
- # only the first type will be tested in start_vm.py
+ # only the first type will be tested in start_vm
if image_fstypes.split()[0] == 'wic':
if wks_file:
# ubuntu is less verbose so we do not see the message
@@ -98,7 +98,7 @@ def start_qemu(arch, build, distro, image, out, pid, enforce_pcbios):
print(cmdline)
p1 = subprocess.call('exec ' + ' '.join(cmdline), shell=True)
-if __name__ == "__main__":
+def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument('-a', '--arch', choices=['arm', 'arm64', 'amd64', 'i386', 'mipsel'], help='set isar machine architecture.', default='arm')
parser.add_argument('-b', '--build', help='set path to build directory.', default=os.getcwd())
@@ -107,6 +107,9 @@ if __name__ == "__main__":
parser.add_argument('-o', '--out', help='Route QEMU console output to specified file.')
parser.add_argument('-p', '--pid', help='Store QEMU pid to specified file.')
parser.add_argument('--pcbios', action="store_true", help='remove any bios options to enforce use of pc bios')
- args = parser.parse_args()
+ return parser.parse_args()
+
+if __name__ == "__main__":
+ args = parse_args()
start_qemu(args.arch, args.build, args.distro, args.image, args.out, args.pid, args.pcbios)