Archipelago » qemu

#!/bin/sh -e

#

# Update Linux kernel headers QEMU requires from a specified kernel tree.

#

# Copyright (C) 2011 Siemens AG

#

# Authors:

#  Jan Kiszka        <jan.kiszka@siemens.com>

#

# This work is licensed under the terms of the GNU GPL version 2.

# See the COPYING file in the top-level directory.

tmpdir=`mktemp -d`

linux="$1"

output="$2"

if [ -z "$linux" ] || ! [ -d "$linux" ]; then

    cat << EOF

usage: update-kernel-headers.sh LINUX_PATH [OUTPUT_PATH]

LINUX_PATH      Linux kernel directory to obtain the headers from

OUTPUT_PATH     output directory, usually the qemu source tree (default: $PWD)

EOF

    exit 1

fi

if [ -z "$output" ]; then

    output="$PWD"

fi

for arch in x86 powerpc s390; do

    make -C "$linux" INSTALL_HDR_PATH="$tmpdir" SRCARCH=$arch headers_install

    rm -rf "$output/linux-headers/asm-$arch"

    mkdir -p "$output/linux-headers/asm-$arch"

    for header in kvm.h kvm_para.h; do

        cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch"

    done

    if [ $arch = x86 ]; then

        cp "$tmpdir/include/asm/hyperv.h" "$output/linux-headers/asm-x86"

    fi

done

rm -rf "$output/linux-headers/linux"

mkdir -p "$output/linux-headers/linux"

for header in kvm.h kvm_para.h vhost.h virtio_config.h virtio_ring.h; do

    cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"

done

if [ -L "$linux/source" ]; then

    cp "$linux/source/COPYING" "$output/linux-headers"

else

    cp "$linux/COPYING" "$output/linux-headers"

fi

rm -rf "$tmpdir"