qemu/scripts/update-linux-headers.sh

3 # Update Linux kernel headers QEMU requires from a specified kernel tree.
15 # - linux-headers/ for files that are required for compiling for a
16 #   Linux host.  Generally we have these so we can use kernel structs
23 #   get our definitions of the virtio structures from the Linux
26 #   sanitize the headers to remove any use of Linux-specifics such as
32 linux="$1"
35 if [ -z "$linux" ] || ! [ -d "$linux" ]; then
39 LINUX_PATH      Linux kernel directory to obtain the headers from
53         grep '#include' "$f" | grep -v -e 'linux/virtio' \
54                                      -e 'linux/types' \
55                                      -e 'linux/ioctl' \
57                                      -e 'linux/if_ether' \
62                                      -e 'linux/const' \
63                                      -e 'linux/kernel' \
64                                      -e 'linux/sysinfo' \
76         # Let users of include/standard-headers/linux/ headers pick the
89         -e 's/"\(input-event-codes\.h\)"/"standard-headers\/linux\/\1"/' \
90         -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \
98         -e '/linux\/ioctl.h/d' \
110 ARCHLIST=$(cd "$linux/arch" && echo *)
114     if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] &&
115         ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then
126     make -C "$linux" O="$blddir" INSTALL_HDR_PATH="$hdrdir" $arch_var=$arch headers_install
128     rm -rf "$output/linux-headers/asm-$arch"
129     mkdir -p "$output/linux-headers/asm-$arch"
132             cp "$hdrdir/include/asm/$header" "$output/linux-headers/asm-$arch"
135             cat <<EOF >$output/linux-headers/asm-$arch/$header
142         cp "$hdrdir/include/asm/sgidefs.h" "$output/linux-headers/asm-mips/"
143         cp "$hdrdir/include/asm/unistd_o32.h" "$output/linux-headers/asm-mips/"
144         cp "$hdrdir/include/asm/unistd_n32.h" "$output/linux-headers/asm-mips/"
145         cp "$hdrdir/include/asm/unistd_n64.h" "$output/linux-headers/asm-mips/"
148         cp "$hdrdir/include/asm/unistd_32.h" "$output/linux-headers/asm-powerpc/"
149         cp "$hdrdir/include/asm/unistd_64.h" "$output/linux-headers/asm-powerpc/"
156         cp "$hdrdir/include/asm/unistd_32.h" "$output/linux-headers/asm-s390/"
157         cp "$hdrdir/include/asm/unistd_64.h" "$output/linux-headers/asm-s390/"
160         cp "$hdrdir/include/asm/unistd-eabi.h" "$output/linux-headers/asm-arm/"
161         cp "$hdrdir/include/asm/unistd-oabi.h" "$output/linux-headers/asm-arm/"
162         cp "$hdrdir/include/asm/unistd-common.h" "$output/linux-headers/asm-arm/"
165         cp "$hdrdir/include/asm/sve_context.h" "$output/linux-headers/asm-arm64/"
166         cp "$hdrdir/include/asm/unistd_64.h" "$output/linux-headers/asm-arm64/"
169         cp "$hdrdir/include/asm/unistd_32.h" "$output/linux-headers/asm-x86/"
170         cp "$hdrdir/include/asm/unistd_x32.h" "$output/linux-headers/asm-x86/"
171         cp "$hdrdir/include/asm/unistd_64.h" "$output/linux-headers/asm-x86/"
174         cat <<EOF >$output/linux-headers/asm-$arch/kvm_para.h
188         cp "$hdrdir/include/asm/ptrace.h" "$output/linux-headers/asm-riscv/"
189         cp "$hdrdir/include/asm/unistd_32.h" "$output/linux-headers/asm-riscv/"
190         cp "$hdrdir/include/asm/unistd_64.h" "$output/linux-headers/asm-riscv/"
193         cp "$hdrdir/include/asm/kvm_para.h" "$output/linux-headers/asm-loongarch/"
194         cp "$hdrdir/include/asm/unistd_64.h" "$output/linux-headers/asm-loongarch/"
199 rm -rf "$output/linux-headers/linux"
200 mkdir -p "$output/linux-headers/linux"
204     cp "$hdrdir/include/linux/$header" "$output/linux-headers/linux"
207 rm -rf "$output/linux-headers/asm-generic"
208 mkdir -p "$output/linux-headers/asm-generic"
210     cp "$hdrdir/include/asm-generic/$header" "$output/linux-headers/asm-generic"
213 if [ -L "$linux/source" ]; then
214     cp "$linux/source/COPYING" "$output/linux-headers"
216     cp "$linux/COPYING" "$output/linux-headers"
224 if [ -d "$linux/LICENSES" ]; then
225     mkdir -p "$output/linux-headers/LICENSES/preferred" \
226              "$output/linux-headers/LICENSES/exceptions"
228              exceptions/Linux-syscall-note; do
229         cp "$linux/LICENSES/$l" "$output/linux-headers/LICENSES/$l"
233 cat <<EOF >$output/linux-headers/linux/kvm_para.h
234 #include "standard-headers/linux/kvm_para.h"
237 cat <<EOF >$output/linux-headers/linux/virtio_config.h
238 #include "standard-headers/linux/virtio_config.h"
240 cat <<EOF >$output/linux-headers/linux/virtio_ring.h
241 #include "standard-headers/linux/virtio_ring.h"
243 cat <<EOF >$output/linux-headers/linux/vhost_types.h
244 #include "standard-headers/linux/vhost_types.h"
247 rm -rf "$output/include/standard-headers/linux"
248 mkdir -p "$output/include/standard-headers/linux"
249 for i in "$hdrdir"/include/linux/*virtio*.h \
250          "$hdrdir/include/linux/qemu_fw_cfg.h" \
251          "$hdrdir/include/linux/fuse.h" \
252          "$hdrdir/include/linux/input.h" \
253          "$hdrdir/include/linux/input-event-codes.h" \
254          "$hdrdir/include/linux/udmabuf.h" \
255          "$hdrdir/include/linux/pci_regs.h" \
256          "$hdrdir/include/linux/ethtool.h" \
257          "$hdrdir/include/linux/const.h" \
258          "$hdrdir/include/linux/kernel.h" \
259          "$hdrdir/include/linux/kvm_para.h" \
260          "$hdrdir/include/linux/vhost_types.h" \
261          "$hdrdir/include/linux/sysinfo.h"; do
262     cp_portable "$i" "$output/include/standard-headers/linux"
271 cat <<EOF >$output/include/standard-headers/linux/types.h
276 cat <<EOF >$output/include/standard-headers/linux/if_ether.h