132 lines
4.0 KiB
Bash
Executable File
132 lines
4.0 KiB
Bash
Executable File
#!/bin/sh -e
|
|
#
|
|
# Update Linux kernel headers QEMU requires from a specified kernel tree.
|
|
#
|
|
# Copyright (C) 2011 Siemens AG
|
|
#
|
|
# Authors:
|
|
# Jan Kiszka <jan.kiszka@siemens.com>
|
|
#
|
|
# This work is licensed under the terms of the GNU GPL version 2.
|
|
# See the COPYING file in the top-level directory.
|
|
|
|
tmpdir=`mktemp -d`
|
|
linux="$1"
|
|
output="$2"
|
|
|
|
if [ -z "$linux" ] || ! [ -d "$linux" ]; then
|
|
cat << EOF
|
|
usage: update-kernel-headers.sh LINUX_PATH [OUTPUT_PATH]
|
|
|
|
LINUX_PATH Linux kernel directory to obtain the headers from
|
|
OUTPUT_PATH output directory, usually the qemu source tree (default: $PWD)
|
|
EOF
|
|
exit 1
|
|
fi
|
|
|
|
if [ -z "$output" ]; then
|
|
output="$PWD"
|
|
fi
|
|
|
|
cp_virtio() {
|
|
from=$1
|
|
to=$2
|
|
virtio=$(find "$from" -name '*virtio*h' -o -name "input.h")
|
|
if [ "$virtio" ]; then
|
|
rm -rf "$to"
|
|
mkdir -p "$to"
|
|
for f in $virtio; do
|
|
if
|
|
grep '#include' "$f" | grep -v -e 'linux/virtio' \
|
|
-e 'linux/types' \
|
|
-e 'linux/if_ether' \
|
|
-e 'sys/' \
|
|
> /dev/null
|
|
then
|
|
echo "Unexpected #include in input file $f".
|
|
exit 2
|
|
fi
|
|
|
|
header=$(basename "$f");
|
|
sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \
|
|
-e 's/__s\([0-9][0-9]*\)/int\1_t/g' \
|
|
-e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \
|
|
-e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \
|
|
-e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \
|
|
-e 's/__bitwise__//' \
|
|
-e 's/__attribute__((packed))/QEMU_PACKED/' \
|
|
-e 's/__inline__/inline/' \
|
|
"$f" > "$to/$header";
|
|
done
|
|
fi
|
|
}
|
|
|
|
# This will pick up non-directories too (eg "Kconfig") but we will
|
|
# ignore them in the next loop.
|
|
ARCHLIST=$(cd "$linux/arch" && echo *)
|
|
|
|
for arch in $ARCHLIST; do
|
|
# Discard anything which isn't a KVM-supporting architecture
|
|
if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] &&
|
|
! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then
|
|
continue
|
|
fi
|
|
|
|
# Blacklist architectures which have KVM headers but are actually dead
|
|
if [ "$arch" = "ia64" ]; then
|
|
continue
|
|
fi
|
|
|
|
make -C "$linux" INSTALL_HDR_PATH="$tmpdir" SRCARCH=$arch headers_install
|
|
|
|
rm -rf "$output/linux-headers/asm-$arch"
|
|
mkdir -p "$output/linux-headers/asm-$arch"
|
|
for header in kvm.h kvm_para.h; do
|
|
cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch"
|
|
done
|
|
if [ $arch = x86 ]; then
|
|
cp "$tmpdir/include/asm/hyperv.h" "$output/linux-headers/asm-x86"
|
|
fi
|
|
if [ $arch = powerpc ]; then
|
|
cp "$tmpdir/include/asm/epapr_hcalls.h" "$output/linux-headers/asm-powerpc/"
|
|
fi
|
|
|
|
cp_virtio "$tmpdir/include/asm" "$output/include/standard-headers/asm-$arch"
|
|
done
|
|
|
|
rm -rf "$output/linux-headers/linux"
|
|
mkdir -p "$output/linux-headers/linux"
|
|
for header in kvm.h kvm_para.h vfio.h vhost.h \
|
|
psci.h; do
|
|
cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
|
|
done
|
|
rm -rf "$output/linux-headers/asm-generic"
|
|
mkdir -p "$output/linux-headers/asm-generic"
|
|
for header in kvm_para.h; do
|
|
cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic"
|
|
done
|
|
if [ -L "$linux/source" ]; then
|
|
cp "$linux/source/COPYING" "$output/linux-headers"
|
|
else
|
|
cp "$linux/COPYING" "$output/linux-headers"
|
|
fi
|
|
|
|
cat <<EOF >$output/linux-headers/linux/virtio_config.h
|
|
#include "standard-headers/linux/virtio_config.h"
|
|
EOF
|
|
cat <<EOF >$output/linux-headers/linux/virtio_ring.h
|
|
#include "standard-headers/linux/virtio_ring.h"
|
|
EOF
|
|
|
|
cp_virtio "$tmpdir/include/linux/" "$output/include/standard-headers/linux"
|
|
|
|
cat <<EOF >$output/include/standard-headers/linux/types.h
|
|
#include <stdint.h>
|
|
#include "qemu/compiler.h"
|
|
EOF
|
|
cat <<EOF >$output/include/standard-headers/linux/if_ether.h
|
|
#define ETH_ALEN 6
|
|
EOF
|
|
|
|
rm -rf "$tmpdir"
|