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#!/bin/bash
# Copyright (c) 2018 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
function qemu_utils.qemu_delete {
# Deletes the QEMU directory
# QEMU install directory
local qemu_install_dir=$1
[ -d ${qemu_install_dir} ] && \
sudo rm -r ${qemu_install_dir} && \
echo "${qemu_install_dir} removed"
}
function qemu_utils.qemu_install {
# Downloads and installs QEMU
# QEMU install directory
local qemu_install_dir=$1
# QEMU install version
local qemu_install_ver=$2
# QEMU patch
local qemu_patch=${3:-false}
# Force install (if true then remove previous installation; default false)
local force_install=${4:-false}
# QEMU repo URL
local qemu_package_url="http://download.qemu-project.org/${qemu_install_ver}.tar.xz"
# QEMU target arch
local qemu_target_list=${5:-x86_64-softmmu}
if [ $force_install = true ]; then
# Cleanup QEMU dir
qemu_utils.qemu_delete $qemu_install_dir
else
# Test if QEMU was installed previously
test -d $qemu_install_dir && \
{ echo "Qemu already installed: $qemu_install_dir"; exit 0; }
fi
local tmp_dir=$(mktemp -d) || \
{ echo "Failed to create temporary working dir"; exit 1; }
trap "sudo rm -r ${tmp_dir}" EXIT
# Download QEMU source code if no local copy exists
if [ ! -f /opt/${qemu_install_ver}.tar.xz ]; then
sudo wget -e use_proxy=yes -P /opt -q ${qemu_package_url} || \
{ echo "Failed to download ${qemu_install_ver}"; exit 1; }
fi
tar --strip-components 1 -xf /opt/${qemu_install_ver}.tar.xz -C ${tmp_dir} || \
{ echo "Failed to exctract ${qemu_install_ver}.tar.xz"; exit 1; }
cd ${tmp_dir}
sudo mkdir -p ${qemu_install_dir} || \
{ echo "Failed to create ${qemu_install_dir}"; exit 1; }
# Apply additional patches
if [ $qemu_patch = true ]
then
chmod +x ${SCRIPT_DIR}/qemu_patches/${qemu_install_ver}/*
run-parts --verbose --report ${SCRIPT_DIR}/qemu_patches/${qemu_install_ver}
fi
# Build
sudo ./configure --target-list=${qemu_target_list} --prefix=${qemu_install_dir} || \
{ echo "Failed to configure ${qemu_install_ver}"; exit 1; }
sudo make -j`nproc` || \
{ echo "Failed to compile ${qemu_install_ver}"; exit 1; }
sudo make install || \
{ echo "Failed to install ${qemu_install_ver}"; exit 1; }
echo "QEMU ${qemu_install_ver} ready"
}
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