Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
[qemu/ar7.git] / scripts / update-linux-headers.sh
blob11076191215f6b67a77b8478226490171a6c7f84
1 #!/bin/sh -e
3 # Update Linux kernel headers QEMU requires from a specified kernel tree.
5 # Copyright (C) 2011 Siemens AG
7 # Authors:
8 # Jan Kiszka <jan.kiszka@siemens.com>
10 # This work is licensed under the terms of the GNU GPL version 2.
11 # See the COPYING file in the top-level directory.
13 tmpdir=`mktemp -d`
14 linux="$1"
15 output="$2"
17 if [ -z "$linux" ] || ! [ -d "$linux" ]; then
18 cat << EOF
19 usage: update-kernel-headers.sh LINUX_PATH [OUTPUT_PATH]
21 LINUX_PATH Linux kernel directory to obtain the headers from
22 OUTPUT_PATH output directory, usually the qemu source tree (default: $PWD)
23 EOF
24 exit 1
27 if [ -z "$output" ]; then
28 output="$PWD"
31 cp_portable() {
32 f=$1
33 to=$2
35 grep '#include' "$f" | grep -v -e 'linux/virtio' \
36 -e 'linux/types' \
37 -e 'stdint' \
38 -e 'linux/if_ether' \
39 -e 'sys/' \
40 > /dev/null
41 then
42 echo "Unexpected #include in input file $f".
43 exit 2
46 header=$(basename "$f");
47 sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \
48 -e 's/__s\([0-9][0-9]*\)/int\1_t/g' \
49 -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \
50 -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \
51 -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \
52 -e 's/__bitwise__//' \
53 -e 's/__attribute__((packed))/QEMU_PACKED/' \
54 -e 's/__inline__/inline/' \
55 -e '/sys\/ioctl.h/d' \
56 "$f" > "$to/$header";
59 # This will pick up non-directories too (eg "Kconfig") but we will
60 # ignore them in the next loop.
61 ARCHLIST=$(cd "$linux/arch" && echo *)
63 for arch in $ARCHLIST; do
64 # Discard anything which isn't a KVM-supporting architecture
65 if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] &&
66 ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then
67 continue
70 # Blacklist architectures which have KVM headers but are actually dead
71 if [ "$arch" = "ia64" ]; then
72 continue
75 make -C "$linux" INSTALL_HDR_PATH="$tmpdir" SRCARCH=$arch headers_install
77 rm -rf "$output/linux-headers/asm-$arch"
78 mkdir -p "$output/linux-headers/asm-$arch"
79 for header in kvm.h kvm_para.h; do
80 cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch"
81 done
82 if [ $arch = powerpc ]; then
83 cp "$tmpdir/include/asm/epapr_hcalls.h" "$output/linux-headers/asm-powerpc/"
86 rm -rf "$output/include/standard-headers/asm-$arch"
87 mkdir -p "$output/include/standard-headers/asm-$arch"
88 if [ $arch = s390 ]; then
89 cp_portable "$tmpdir/include/asm/kvm_virtio.h" "$output/include/standard-headers/asm-s390/"
90 cp_portable "$tmpdir/include/asm/virtio-ccw.h" "$output/include/standard-headers/asm-s390/"
92 if [ $arch = x86 ]; then
93 cp_portable "$tmpdir/include/asm/hyperv.h" "$output/include/standard-headers/asm-x86/"
95 done
97 rm -rf "$output/linux-headers/linux"
98 mkdir -p "$output/linux-headers/linux"
99 for header in kvm.h kvm_para.h vfio.h vhost.h \
100 psci.h; do
101 cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
102 done
103 rm -rf "$output/linux-headers/asm-generic"
104 mkdir -p "$output/linux-headers/asm-generic"
105 for header in kvm_para.h; do
106 cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic"
107 done
108 if [ -L "$linux/source" ]; then
109 cp "$linux/source/COPYING" "$output/linux-headers"
110 else
111 cp "$linux/COPYING" "$output/linux-headers"
114 cat <<EOF >$output/linux-headers/asm-x86/hyperv.h
115 #include "standard-headers/asm-x86/hyperv.h"
117 cat <<EOF >$output/linux-headers/linux/virtio_config.h
118 #include "standard-headers/linux/virtio_config.h"
120 cat <<EOF >$output/linux-headers/linux/virtio_ring.h
121 #include "standard-headers/linux/virtio_ring.h"
124 rm -rf "$output/include/standard-headers/linux"
125 mkdir -p "$output/include/standard-headers/linux"
126 for i in "$tmpdir"/include/linux/*virtio*.h "$tmpdir/include/linux/input.h" \
127 "$tmpdir/include/linux/pci_regs.h"; do
128 cp_portable "$i" "$output/include/standard-headers/linux"
129 done
131 cat <<EOF >$output/include/standard-headers/linux/types.h
132 #include <stdint.h>
133 #include "qemu/compiler.h"
135 cat <<EOF >$output/include/standard-headers/linux/if_ether.h
136 #define ETH_ALEN 6
139 rm -rf "$tmpdir"