1#!/bin/sh -e 2# 3# Update Linux kernel headers QEMU requires from a specified kernel tree. 4# 5# Copyright (C) 2011 Siemens AG 6# 7# Authors: 8# Jan Kiszka <jan.kiszka@siemens.com> 9# 10# This work is licensed under the terms of the GNU GPL version 2. 11# See the COPYING file in the top-level directory. 12 13tmpdir=`mktemp -d` 14linux="$1" 15output="$2" 16 17if [ -z "$linux" ] || ! [ -d "$linux" ]; then 18 cat << EOF 19usage: update-kernel-headers.sh LINUX_PATH [OUTPUT_PATH] 20 21LINUX_PATH Linux kernel directory to obtain the headers from 22OUTPUT_PATH output directory, usually the qemu source tree (default: $PWD) 23EOF 24 exit 1 25fi 26 27if [ -z "$output" ]; then 28 output="$PWD" 29fi 30 31# This will pick up non-directories too (eg "Kconfig") but we will 32# ignore them in the next loop. 33ARCHLIST=$(cd "$linux/arch" && echo *) 34 35for arch in $ARCHLIST; do 36 # Discard anything which isn't a KVM-supporting architecture 37 if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ]; then 38 continue 39 fi 40 41 # Blacklist architectures which have KVM headers but are actually dead 42 if [ "$arch" = "ia64" ]; then 43 continue 44 fi 45 46 make -C "$linux" INSTALL_HDR_PATH="$tmpdir" SRCARCH=$arch headers_install 47 48 rm -rf "$output/linux-headers/asm-$arch" 49 mkdir -p "$output/linux-headers/asm-$arch" 50 for header in kvm.h kvm_para.h; do 51 cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch" 52 done 53 if [ $arch = x86 ]; then 54 cp "$tmpdir/include/asm/hyperv.h" "$output/linux-headers/asm-x86" 55 fi 56done 57 58rm -rf "$output/linux-headers/linux" 59mkdir -p "$output/linux-headers/linux" 60for header in kvm.h kvm_para.h vfio.h vhost.h virtio_config.h virtio_ring.h; do 61 cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux" 62done 63rm -rf "$output/linux-headers/asm-generic" 64mkdir -p "$output/linux-headers/asm-generic" 65for header in kvm_para.h; do 66 cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic" 67done 68if [ -L "$linux/source" ]; then 69 cp "$linux/source/COPYING" "$output/linux-headers" 70else 71 cp "$linux/COPYING" "$output/linux-headers" 72fi 73 74rm -rf "$tmpdir" 75