blob: 135a10d96a5c1797a6d2ae9b47a79c5718abbd02 [file] [log] [blame]
Jan Kiszka87fdd472011-06-08 18:22:17 +02001#!/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
Stefan Weilbbd90802016-05-16 15:23:33 +020013tmpdir=$(mktemp -d)
Jan Kiszka87fdd472011-06-08 18:22:17 +020014linux="$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
Paolo Bonzinieddb4de2015-09-09 15:25:52 +020031cp_portable() {
32 f=$1
Michael S. Tsirkin1ff0b552015-02-16 22:35:25 +010033 to=$2
Paolo Bonzinieddb4de2015-09-09 15:25:52 +020034 if
35 grep '#include' "$f" | grep -v -e 'linux/virtio' \
36 -e 'linux/types' \
37 -e 'stdint' \
38 -e 'linux/if_ether' \
Paolo Bonzinifff02bc2015-12-15 15:00:27 +010039 -e 'input-event-codes' \
Paolo Bonzinieddb4de2015-09-09 15:25:52 +020040 -e 'sys/' \
41 > /dev/null
42 then
43 echo "Unexpected #include in input file $f".
44 exit 2
Michael S. Tsirkin1ff0b552015-02-16 22:35:25 +010045 fi
Paolo Bonzinieddb4de2015-09-09 15:25:52 +020046
47 header=$(basename "$f");
48 sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \
49 -e 's/__s\([0-9][0-9]*\)/int\1_t/g' \
50 -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \
51 -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \
Paolo Bonzinifff02bc2015-12-15 15:00:27 +010052 -e 's/"\(input-event-codes\.h\)"/"standard-headers\/linux\/\1"/' \
Paolo Bonzinieddb4de2015-09-09 15:25:52 +020053 -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \
Michael S. Tsirkined219c42017-01-13 18:18:35 +020054 -e 's/__bitwise//' \
Paolo Bonzinieddb4de2015-09-09 15:25:52 +020055 -e 's/__attribute__((packed))/QEMU_PACKED/' \
56 -e 's/__inline__/inline/' \
57 -e '/sys\/ioctl.h/d' \
Markus Armbrusterac98fa82015-10-08 18:11:39 +020058 -e 's/SW_MAX/SW_MAX_/' \
Paolo Bonzinieddb4de2015-09-09 15:25:52 +020059 "$f" > "$to/$header";
Michael S. Tsirkin1ff0b552015-02-16 22:35:25 +010060}
61
Peter Maydell28796362012-07-18 11:11:09 +010062# This will pick up non-directories too (eg "Kconfig") but we will
63# ignore them in the next loop.
64ARCHLIST=$(cd "$linux/arch" && echo *)
65
66for arch in $ARCHLIST; do
67 # Discard anything which isn't a KVM-supporting architecture
Peter Maydellb55f5462012-10-22 12:54:39 +010068 if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] &&
69 ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then
Peter Maydell28796362012-07-18 11:11:09 +010070 continue
71 fi
72
73 # Blacklist architectures which have KVM headers but are actually dead
Marc-André Lureau1842bdf2015-10-09 17:17:17 +020074 if [ "$arch" = "ia64" -o "$arch" = "mips" ]; then
Peter Maydell28796362012-07-18 11:11:09 +010075 continue
76 fi
77
Paolo Bonzinif717e622017-02-21 13:29:19 +010078 if [ "$arch" = x86 ]; then
79 arch_var=SRCARCH
80 else
81 arch_var=ARCH
82 fi
83
84 make -C "$linux" INSTALL_HDR_PATH="$tmpdir" $arch_var=$arch headers_install
Jan Kiszka87fdd472011-06-08 18:22:17 +020085
86 rm -rf "$output/linux-headers/asm-$arch"
87 mkdir -p "$output/linux-headers/asm-$arch"
Marc-André Lureau1842bdf2015-10-09 17:17:17 +020088 for header in kvm.h kvm_para.h unistd.h; do
Jan Kiszka87fdd472011-06-08 18:22:17 +020089 cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch"
90 done
Bharat Bhushand56af002012-12-18 01:13:58 +000091 if [ $arch = powerpc ]; then
92 cp "$tmpdir/include/asm/epapr_hcalls.h" "$output/linux-headers/asm-powerpc/"
93 fi
Michael S. Tsirkin44fb1dd2015-02-16 22:36:48 +010094
Paolo Bonzinieddb4de2015-09-09 15:25:52 +020095 rm -rf "$output/include/standard-headers/asm-$arch"
96 mkdir -p "$output/include/standard-headers/asm-$arch"
97 if [ $arch = s390 ]; then
Paolo Bonzinieddb4de2015-09-09 15:25:52 +020098 cp_portable "$tmpdir/include/asm/virtio-ccw.h" "$output/include/standard-headers/asm-s390/"
99 fi
Paolo Bonzinif717e622017-02-21 13:29:19 +0100100 if [ $arch = arm ]; then
101 cp "$tmpdir/include/asm/unistd-eabi.h" "$output/linux-headers/asm-arm/"
102 cp "$tmpdir/include/asm/unistd-oabi.h" "$output/linux-headers/asm-arm/"
103 cp "$tmpdir/include/asm/unistd-common.h" "$output/linux-headers/asm-arm/"
104 fi
Paolo Bonzini73aa5292015-09-09 15:25:52 +0200105 if [ $arch = x86 ]; then
Roman Kagan40bf8e92017-07-13 23:15:22 +0300106 cat <<-EOF >"$output/include/standard-headers/asm-x86/hyperv.h"
107 /* this is a temporary placeholder until kvm_para.h stops including it */
Gerd Hoffmann4950b1a2017-11-10 10:03:54 +0100108EOF
Marc-André Lureau1842bdf2015-10-09 17:17:17 +0200109 cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-x86/"
110 cp "$tmpdir/include/asm/unistd_x32.h" "$output/linux-headers/asm-x86/"
111 cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-x86/"
Paolo Bonzini73aa5292015-09-09 15:25:52 +0200112 fi
Jan Kiszka87fdd472011-06-08 18:22:17 +0200113done
114
115rm -rf "$output/linux-headers/linux"
116mkdir -p "$output/linux-headers/linux"
Cornelia Huck74c98e22017-05-18 13:47:27 +0200117for header in kvm.h kvm_para.h vfio.h vfio_ccw.h vhost.h \
Alexey Kardashevskiy2ae823d2016-02-15 15:59:41 +1100118 psci.h userfaultfd.h; do
Jan Kiszka87fdd472011-06-08 18:22:17 +0200119 cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
120done
Peter Maydell256d0462012-07-25 16:29:07 +0100121rm -rf "$output/linux-headers/asm-generic"
122mkdir -p "$output/linux-headers/asm-generic"
123for header in kvm_para.h; do
124 cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic"
125done
Jan Kiszka87fdd472011-06-08 18:22:17 +0200126if [ -L "$linux/source" ]; then
127 cp "$linux/source/COPYING" "$output/linux-headers"
128else
129 cp "$linux/COPYING" "$output/linux-headers"
130fi
131
Paolo Bonzini73aa5292015-09-09 15:25:52 +0200132cat <<EOF >$output/linux-headers/asm-x86/hyperv.h
133#include "standard-headers/asm-x86/hyperv.h"
134EOF
Michael S. Tsirkin05e492b2015-02-16 22:36:32 +0100135cat <<EOF >$output/linux-headers/linux/virtio_config.h
136#include "standard-headers/linux/virtio_config.h"
137EOF
138cat <<EOF >$output/linux-headers/linux/virtio_ring.h
139#include "standard-headers/linux/virtio_ring.h"
140EOF
Michael S. Tsirkin1ff0b552015-02-16 22:35:25 +0100141
Paolo Bonzinieddb4de2015-09-09 15:25:52 +0200142rm -rf "$output/include/standard-headers/linux"
143mkdir -p "$output/include/standard-headers/linux"
144for i in "$tmpdir"/include/linux/*virtio*.h "$tmpdir/include/linux/input.h" \
Paolo Bonzinifff02bc2015-12-15 15:00:27 +0100145 "$tmpdir/include/linux/input-event-codes.h" \
Paolo Bonzinieddb4de2015-09-09 15:25:52 +0200146 "$tmpdir/include/linux/pci_regs.h"; do
147 cp_portable "$i" "$output/include/standard-headers/linux"
148done
Michael S. Tsirkin1ff0b552015-02-16 22:35:25 +0100149
150cat <<EOF >$output/include/standard-headers/linux/types.h
Peter Maydell8bc92a72016-02-23 14:18:31 +0000151/* For QEMU all types are already defined via osdep.h, so this
152 * header does not need to do anything.
153 */
Michael S. Tsirkin1ff0b552015-02-16 22:35:25 +0100154EOF
155cat <<EOF >$output/include/standard-headers/linux/if_ether.h
156#define ETH_ALEN 6
157EOF
158
Jan Kiszka87fdd472011-06-08 18:22:17 +0200159rm -rf "$tmpdir"