target/mips: Simplify decode_opc_mxu() ifdef'ry
[qemu/ar7.git] / scripts / update-linux-headers.sh
blobfa6f2b6272b78223d28f4c823858442b704ed8c0
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 'input-event-codes' \
40 -e 'sys/' \
41 -e 'pvrdma_verbs' \
42 -e 'drm.h' \
43 -e 'limits' \
44 -e 'linux/const' \
45 -e 'linux/kernel' \
46 -e 'linux/sysinfo' \
47 -e 'asm-generic/kvm_para' \
48 > /dev/null
49 then
50 echo "Unexpected #include in input file $f".
51 exit 2
54 header=$(basename "$f");
55 sed -e 's/__aligned_u64/__u64 __attribute__((aligned(8)))/g' \
56 -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \
57 -e 's/u\([0-9][0-9]*\)/uint\1_t/g' \
58 -e 's/__s\([0-9][0-9]*\)/int\1_t/g' \
59 -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \
60 -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \
61 -e 's/"\(input-event-codes\.h\)"/"standard-headers\/linux\/\1"/' \
62 -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \
63 -e 's/__bitwise//' \
64 -e 's/__attribute__((packed))/QEMU_PACKED/' \
65 -e 's/__inline__/inline/' \
66 -e 's/__BITS_PER_LONG/HOST_LONG_BITS/' \
67 -e '/\"drm.h\"/d' \
68 -e '/sys\/ioctl.h/d' \
69 -e 's/SW_MAX/SW_MAX_/' \
70 -e 's/atomic_t/int/' \
71 -e 's/__kernel_long_t/long/' \
72 -e 's/__kernel_ulong_t/unsigned long/' \
73 -e 's/struct ethhdr/struct eth_header/' \
74 -e '/\#define _LINUX_ETHTOOL_H/a \\n\#include "net/eth.h"' \
75 "$f" > "$to/$header";
78 # This will pick up non-directories too (eg "Kconfig") but we will
79 # ignore them in the next loop.
80 ARCHLIST=$(cd "$linux/arch" && echo *)
82 for arch in $ARCHLIST; do
83 # Discard anything which isn't a KVM-supporting architecture
84 if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] &&
85 ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then
86 continue
89 if [ "$arch" = x86 ]; then
90 arch_var=SRCARCH
91 else
92 arch_var=ARCH
95 make -C "$linux" INSTALL_HDR_PATH="$tmpdir" $arch_var=$arch headers_install
97 rm -rf "$output/linux-headers/asm-$arch"
98 mkdir -p "$output/linux-headers/asm-$arch"
99 for header in kvm.h unistd.h bitsperlong.h mman.h; do
100 cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch"
101 done
103 if [ $arch = mips ]; then
104 cp "$tmpdir/include/asm/sgidefs.h" "$output/linux-headers/asm-mips/"
105 cp "$tmpdir/include/asm/unistd_o32.h" "$output/linux-headers/asm-mips/"
106 cp "$tmpdir/include/asm/unistd_n32.h" "$output/linux-headers/asm-mips/"
107 cp "$tmpdir/include/asm/unistd_n64.h" "$output/linux-headers/asm-mips/"
109 if [ $arch = powerpc ]; then
110 cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-powerpc/"
111 cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-powerpc/"
114 rm -rf "$output/include/standard-headers/asm-$arch"
115 mkdir -p "$output/include/standard-headers/asm-$arch"
116 if [ $arch = s390 ]; then
117 cp_portable "$tmpdir/include/asm/virtio-ccw.h" "$output/include/standard-headers/asm-s390/"
118 cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-s390/"
119 cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-s390/"
121 if [ $arch = arm ]; then
122 cp "$tmpdir/include/asm/unistd-eabi.h" "$output/linux-headers/asm-arm/"
123 cp "$tmpdir/include/asm/unistd-oabi.h" "$output/linux-headers/asm-arm/"
124 cp "$tmpdir/include/asm/unistd-common.h" "$output/linux-headers/asm-arm/"
126 if [ $arch = arm64 ]; then
127 cp "$tmpdir/include/asm/sve_context.h" "$output/linux-headers/asm-arm64/"
129 if [ $arch = x86 ]; then
130 cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-x86/"
131 cp "$tmpdir/include/asm/unistd_x32.h" "$output/linux-headers/asm-x86/"
132 cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-x86/"
133 cp_portable "$tmpdir/include/asm/kvm_para.h" "$output/include/standard-headers/asm-$arch"
134 # Remove everything except the macros from bootparam.h avoiding the
135 # unnecessary import of several video/ist/etc headers
136 sed -e '/__ASSEMBLY__/,/__ASSEMBLY__/d' \
137 "$tmpdir/include/asm/bootparam.h" > "$tmpdir/bootparam.h"
138 cp_portable "$tmpdir/bootparam.h" \
139 "$output/include/standard-headers/asm-$arch"
141 done
143 rm -rf "$output/linux-headers/linux"
144 mkdir -p "$output/linux-headers/linux"
145 for header in kvm.h vfio.h vfio_ccw.h vfio_zdev.h vhost.h \
146 psci.h psp-sev.h userfaultfd.h mman.h; do
147 cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
148 done
150 rm -rf "$output/linux-headers/asm-generic"
151 mkdir -p "$output/linux-headers/asm-generic"
152 for header in unistd.h bitsperlong.h mman-common.h mman.h hugetlb_encode.h; do
153 cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic"
154 done
156 if [ -L "$linux/source" ]; then
157 cp "$linux/source/COPYING" "$output/linux-headers"
158 else
159 cp "$linux/COPYING" "$output/linux-headers"
162 # Recent kernel sources split the copyright/license info into multiple
163 # files, which we need to copy. This set of licenses is the set that
164 # are referred to by SPDX lines in the headers we currently copy.
165 # We don't copy the Documentation/process/license-rules.rst which
166 # is also referred to by COPYING, since it's explanatory rather than license.
167 if [ -d "$linux/LICENSES" ]; then
168 mkdir -p "$output/linux-headers/LICENSES/preferred" \
169 "$output/linux-headers/LICENSES/exceptions"
170 for l in preferred/GPL-2.0 preferred/BSD-2-Clause preferred/BSD-3-Clause \
171 exceptions/Linux-syscall-note; do
172 cp "$linux/LICENSES/$l" "$output/linux-headers/LICENSES/$l"
173 done
176 cat <<EOF >$output/linux-headers/linux/virtio_config.h
177 #include "standard-headers/linux/virtio_config.h"
179 cat <<EOF >$output/linux-headers/linux/virtio_ring.h
180 #include "standard-headers/linux/virtio_ring.h"
182 cat <<EOF >$output/linux-headers/linux/vhost_types.h
183 #include "standard-headers/linux/vhost_types.h"
186 rm -rf "$output/include/standard-headers/linux"
187 mkdir -p "$output/include/standard-headers/linux"
188 for i in "$tmpdir"/include/linux/*virtio*.h \
189 "$tmpdir/include/linux/qemu_fw_cfg.h" \
190 "$tmpdir/include/linux/fuse.h" \
191 "$tmpdir/include/linux/input.h" \
192 "$tmpdir/include/linux/input-event-codes.h" \
193 "$tmpdir/include/linux/pci_regs.h" \
194 "$tmpdir/include/linux/ethtool.h" \
195 "$tmpdir/include/linux/const.h" \
196 "$tmpdir/include/linux/kernel.h" \
197 "$tmpdir/include/linux/vhost_types.h" \
198 "$tmpdir/include/linux/sysinfo.h"; do
199 cp_portable "$i" "$output/include/standard-headers/linux"
200 done
201 mkdir -p "$output/include/standard-headers/drm"
202 cp_portable "$tmpdir/include/drm/drm_fourcc.h" \
203 "$output/include/standard-headers/drm"
205 rm -rf "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
206 mkdir -p "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
208 # Remove the unused functions from pvrdma_verbs.h avoiding the unnecessary
209 # import of several infiniband/networking/other headers
210 tmp_pvrdma_verbs="$tmpdir/pvrdma_verbs.h"
211 # Parse the entire file instead of single lines to match
212 # function declarations expanding over multiple lines
213 # and strip the declarations starting with pvrdma prefix.
214 sed -e '1h;2,$H;$!d;g' -e 's/[^};]*pvrdma[^(| ]*([^)]*);//g' \
215 "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h" > \
216 "$tmp_pvrdma_verbs";
218 for i in "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h" \
219 "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h" \
220 "$tmp_pvrdma_verbs"; do \
221 cp_portable "$i" \
222 "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma/"
223 done
225 rm -rf "$output/include/standard-headers/rdma/"
226 mkdir -p "$output/include/standard-headers/rdma/"
227 for i in "$tmpdir/include/rdma/vmw_pvrdma-abi.h"; do
228 cp_portable "$i" \
229 "$output/include/standard-headers/rdma/"
230 done
232 cat <<EOF >$output/include/standard-headers/linux/types.h
233 /* For QEMU all types are already defined via osdep.h, so this
234 * header does not need to do anything.
237 cat <<EOF >$output/include/standard-headers/linux/if_ether.h
238 #define ETH_ALEN 6
241 rm -rf "$tmpdir"