scripts/update-linux-headers.sh

   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        <[email protected]>
   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
  13 tmpdir=`mktemp -d`
  14 linux="$1"
  15 output="$2"
  16
  17 if [ -z "$linux" ] || ! [ -d "$linux" ]; then
  18     cat << EOF
  19 usage: update-kernel-headers.sh LINUX_PATH [OUTPUT_PATH]
  20
  21 LINUX_PATH      Linux kernel directory to obtain the headers from
  22 OUTPUT_PATH     output directory, usually the qemu source tree (default: $PWD)
  23 EOF
  24     exit 1
  25 fi
  26
  27 if [ -z "$output" ]; then
  28     output="$PWD"
  29 fi
  30
  31 for arch in x86 powerpc s390; do
  32     make -C "$linux" INSTALL_HDR_PATH="$tmpdir" SRCARCH=$arch headers_install
  33
  34     rm -rf "$output/linux-headers/asm-$arch"
  35     mkdir -p "$output/linux-headers/asm-$arch"
  36     for header in kvm.h kvm_para.h; do
  37         cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch"
  38     done
  39     if [ $arch = x86 ]; then
  40         cp "$tmpdir/include/asm/hyperv.h" "$output/linux-headers/asm-x86"
  41     fi
  42 done
  43
  44 rm -rf "$output/linux-headers/linux"
  45 mkdir -p "$output/linux-headers/linux"
  46 for header in kvm.h kvm_para.h vhost.h virtio_config.h virtio_ring.h; do
  47     cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
  48 done
  49 if [ -L "$linux/source" ]; then
  50     cp "$linux/source/COPYING" "$output/linux-headers"
  51 else
  52     cp "$linux/COPYING" "$output/linux-headers"
  53 fi
  54
  55 rm -rf "$tmpdir"