Jan Kiszka | 87fdd47 | 2011-06-08 18:22:17 +0200 | [diff] [blame] | 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 | |
| 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 | |
Michael S. Tsirkin | 1ff0b55 | 2015-02-16 22:35:25 +0100 | [diff] [blame] | 31 | cp_virtio() { |
| 32 | from=$1 |
| 33 | to=$2 |
| 34 | virtio=$(find "$from" -name '*virtio*h') |
| 35 | if [ "$virtio" ]; then |
| 36 | rm -rf "$to" |
| 37 | mkdir -p "$to" |
| 38 | for f in $virtio; do |
| 39 | if |
| 40 | grep '#include' "$f" | grep -v -e 'linux/virtio' \ |
| 41 | -e 'linux/types' \ |
| 42 | -e 'linux/if_ether' \ |
| 43 | > /dev/null |
| 44 | then |
| 45 | echo "Unexpected #include in input file $f". |
| 46 | exit 2 |
| 47 | fi |
| 48 | |
| 49 | header=$(basename "$f"); |
| 50 | sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \ |
| 51 | -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \ |
| 52 | -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \ |
| 53 | -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \ |
| 54 | -e 's/__bitwise__//' \ |
| 55 | -e 's/__attribute__((packed))/QEMU_PACKED/' \ |
Michael S. Tsirkin | c16758c | 2015-02-18 16:37:35 +0100 | [diff] [blame] | 56 | -e 's/__inline__/inline/' \ |
Michael S. Tsirkin | 1ff0b55 | 2015-02-16 22:35:25 +0100 | [diff] [blame] | 57 | "$f" > "$to/$header"; |
| 58 | done |
| 59 | fi |
| 60 | } |
| 61 | |
Peter Maydell | 2879636 | 2012-07-18 11:11:09 +0100 | [diff] [blame] | 62 | # This will pick up non-directories too (eg "Kconfig") but we will |
| 63 | # ignore them in the next loop. |
| 64 | ARCHLIST=$(cd "$linux/arch" && echo *) |
| 65 | |
| 66 | for arch in $ARCHLIST; do |
| 67 | # Discard anything which isn't a KVM-supporting architecture |
Peter Maydell | b55f546 | 2012-10-22 12:54:39 +0100 | [diff] [blame] | 68 | if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] && |
| 69 | ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then |
Peter Maydell | 2879636 | 2012-07-18 11:11:09 +0100 | [diff] [blame] | 70 | continue |
| 71 | fi |
| 72 | |
| 73 | # Blacklist architectures which have KVM headers but are actually dead |
| 74 | if [ "$arch" = "ia64" ]; then |
| 75 | continue |
| 76 | fi |
| 77 | |
Jan Kiszka | 87fdd47 | 2011-06-08 18:22:17 +0200 | [diff] [blame] | 78 | make -C "$linux" INSTALL_HDR_PATH="$tmpdir" SRCARCH=$arch headers_install |
| 79 | |
| 80 | rm -rf "$output/linux-headers/asm-$arch" |
| 81 | mkdir -p "$output/linux-headers/asm-$arch" |
| 82 | for header in kvm.h kvm_para.h; do |
| 83 | cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch" |
| 84 | done |
| 85 | if [ $arch = x86 ]; then |
| 86 | cp "$tmpdir/include/asm/hyperv.h" "$output/linux-headers/asm-x86" |
| 87 | fi |
Bharat Bhushan | d56af00 | 2012-12-18 01:13:58 +0000 | [diff] [blame] | 88 | if [ $arch = powerpc ]; then |
| 89 | cp "$tmpdir/include/asm/epapr_hcalls.h" "$output/linux-headers/asm-powerpc/" |
| 90 | fi |
Michael S. Tsirkin | 44fb1dd | 2015-02-16 22:36:48 +0100 | [diff] [blame] | 91 | |
| 92 | cp_virtio "$tmpdir/include/asm" "$output/include/standard-headers/asm-$arch" |
Jan Kiszka | 87fdd47 | 2011-06-08 18:22:17 +0200 | [diff] [blame] | 93 | done |
| 94 | |
| 95 | rm -rf "$output/linux-headers/linux" |
| 96 | mkdir -p "$output/linux-headers/linux" |
Michael S. Tsirkin | 05e492b | 2015-02-16 22:36:32 +0100 | [diff] [blame] | 97 | for header in kvm.h kvm_para.h vfio.h vhost.h \ |
Alexander Graf | 2872e19 | 2014-06-04 12:03:03 +0200 | [diff] [blame] | 98 | psci.h; do |
Jan Kiszka | 87fdd47 | 2011-06-08 18:22:17 +0200 | [diff] [blame] | 99 | cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux" |
| 100 | done |
Peter Maydell | 256d046 | 2012-07-25 16:29:07 +0100 | [diff] [blame] | 101 | rm -rf "$output/linux-headers/asm-generic" |
| 102 | mkdir -p "$output/linux-headers/asm-generic" |
| 103 | for header in kvm_para.h; do |
| 104 | cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic" |
| 105 | done |
Jan Kiszka | 87fdd47 | 2011-06-08 18:22:17 +0200 | [diff] [blame] | 106 | if [ -L "$linux/source" ]; then |
| 107 | cp "$linux/source/COPYING" "$output/linux-headers" |
| 108 | else |
| 109 | cp "$linux/COPYING" "$output/linux-headers" |
| 110 | fi |
| 111 | |
Michael S. Tsirkin | 05e492b | 2015-02-16 22:36:32 +0100 | [diff] [blame] | 112 | cat <<EOF >$output/linux-headers/linux/virtio_config.h |
| 113 | #include "standard-headers/linux/virtio_config.h" |
| 114 | EOF |
| 115 | cat <<EOF >$output/linux-headers/linux/virtio_ring.h |
| 116 | #include "standard-headers/linux/virtio_ring.h" |
| 117 | EOF |
Michael S. Tsirkin | 1ff0b55 | 2015-02-16 22:35:25 +0100 | [diff] [blame] | 118 | |
| 119 | cp_virtio "$tmpdir/include/linux/" "$output/include/standard-headers/linux" |
| 120 | |
| 121 | cat <<EOF >$output/include/standard-headers/linux/types.h |
| 122 | #include <stdint.h> |
| 123 | #include "qemu/compiler.h" |
| 124 | EOF |
| 125 | cat <<EOF >$output/include/standard-headers/linux/if_ether.h |
| 126 | #define ETH_ALEN 6 |
| 127 | EOF |
| 128 | |
Jan Kiszka | 87fdd47 | 2011-06-08 18:22:17 +0200 | [diff] [blame] | 129 | rm -rf "$tmpdir" |