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Commit | Line | Data |
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87fdd476 JK |
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 | ||
bbd90802 | 13 | tmpdir=$(mktemp -d) |
87fdd476 JK |
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 | ||
eddb4de3 PB |
31 | cp_portable() { |
32 | f=$1 | |
1ff0b555 | 33 | to=$2 |
eddb4de3 PB |
34 | if |
35 | grep '#include' "$f" | grep -v -e 'linux/virtio' \ | |
36 | -e 'linux/types' \ | |
37 | -e 'stdint' \ | |
38 | -e 'linux/if_ether' \ | |
fff02bc0 | 39 | -e 'input-event-codes' \ |
eddb4de3 | 40 | -e 'sys/' \ |
e1c5f1f0 | 41 | -e 'pvrdma_verbs' \ |
eddb4de3 PB |
42 | > /dev/null |
43 | then | |
44 | echo "Unexpected #include in input file $f". | |
45 | exit 2 | |
1ff0b555 | 46 | fi |
eddb4de3 PB |
47 | |
48 | header=$(basename "$f"); | |
49 | sed -e 's/__u\([0-9][0-9]*\)/uint\1_t/g' \ | |
e1c5f1f0 | 50 | -e 's/u\([0-9][0-9]*\)/uint\1_t/g' \ |
eddb4de3 PB |
51 | -e 's/__s\([0-9][0-9]*\)/int\1_t/g' \ |
52 | -e 's/__le\([0-9][0-9]*\)/uint\1_t/g' \ | |
53 | -e 's/__be\([0-9][0-9]*\)/uint\1_t/g' \ | |
fff02bc0 | 54 | -e 's/"\(input-event-codes\.h\)"/"standard-headers\/linux\/\1"/' \ |
eddb4de3 | 55 | -e 's/<linux\/\([^>]*\)>/"standard-headers\/linux\/\1"/' \ |
ed219c40 | 56 | -e 's/__bitwise//' \ |
eddb4de3 PB |
57 | -e 's/__attribute__((packed))/QEMU_PACKED/' \ |
58 | -e 's/__inline__/inline/' \ | |
9f2d175d | 59 | -e 's/__BITS_PER_LONG/HOST_LONG_BITS/' \ |
eddb4de3 | 60 | -e '/sys\/ioctl.h/d' \ |
ac98fa84 | 61 | -e 's/SW_MAX/SW_MAX_/' \ |
e1c5f1f0 | 62 | -e 's/atomic_t/int/' \ |
eddb4de3 | 63 | "$f" > "$to/$header"; |
1ff0b555 MT |
64 | } |
65 | ||
2879636d PM |
66 | # This will pick up non-directories too (eg "Kconfig") but we will |
67 | # ignore them in the next loop. | |
68 | ARCHLIST=$(cd "$linux/arch" && echo *) | |
69 | ||
70 | for arch in $ARCHLIST; do | |
71 | # Discard anything which isn't a KVM-supporting architecture | |
b55f546e PM |
72 | if ! [ -e "$linux/arch/$arch/include/asm/kvm.h" ] && |
73 | ! [ -e "$linux/arch/$arch/include/uapi/asm/kvm.h" ] ; then | |
2879636d PM |
74 | continue |
75 | fi | |
76 | ||
77 | # Blacklist architectures which have KVM headers but are actually dead | |
1842bdfd | 78 | if [ "$arch" = "ia64" -o "$arch" = "mips" ]; then |
2879636d PM |
79 | continue |
80 | fi | |
81 | ||
f717e624 PB |
82 | if [ "$arch" = x86 ]; then |
83 | arch_var=SRCARCH | |
84 | else | |
85 | arch_var=ARCH | |
86 | fi | |
87 | ||
88 | make -C "$linux" INSTALL_HDR_PATH="$tmpdir" $arch_var=$arch headers_install | |
87fdd476 JK |
89 | |
90 | rm -rf "$output/linux-headers/asm-$arch" | |
91 | mkdir -p "$output/linux-headers/asm-$arch" | |
1842bdfd | 92 | for header in kvm.h kvm_para.h unistd.h; do |
87fdd476 JK |
93 | cp "$tmpdir/include/asm/$header" "$output/linux-headers/asm-$arch" |
94 | done | |
d56af005 BB |
95 | if [ $arch = powerpc ]; then |
96 | cp "$tmpdir/include/asm/epapr_hcalls.h" "$output/linux-headers/asm-powerpc/" | |
97 | fi | |
44fb1dd4 | 98 | |
eddb4de3 PB |
99 | rm -rf "$output/include/standard-headers/asm-$arch" |
100 | mkdir -p "$output/include/standard-headers/asm-$arch" | |
101 | if [ $arch = s390 ]; then | |
eddb4de3 | 102 | cp_portable "$tmpdir/include/asm/virtio-ccw.h" "$output/include/standard-headers/asm-s390/" |
9f2d175d PB |
103 | cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-s390/" |
104 | cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-s390/" | |
eddb4de3 | 105 | fi |
f717e624 PB |
106 | if [ $arch = arm ]; then |
107 | cp "$tmpdir/include/asm/unistd-eabi.h" "$output/linux-headers/asm-arm/" | |
108 | cp "$tmpdir/include/asm/unistd-oabi.h" "$output/linux-headers/asm-arm/" | |
109 | cp "$tmpdir/include/asm/unistd-common.h" "$output/linux-headers/asm-arm/" | |
110 | fi | |
73aa529a | 111 | if [ $arch = x86 ]; then |
40bf8e9a RK |
112 | cat <<-EOF >"$output/include/standard-headers/asm-x86/hyperv.h" |
113 | /* this is a temporary placeholder until kvm_para.h stops including it */ | |
4950b1a7 | 114 | EOF |
1842bdfd MAL |
115 | cp "$tmpdir/include/asm/unistd_32.h" "$output/linux-headers/asm-x86/" |
116 | cp "$tmpdir/include/asm/unistd_x32.h" "$output/linux-headers/asm-x86/" | |
117 | cp "$tmpdir/include/asm/unistd_64.h" "$output/linux-headers/asm-x86/" | |
73aa529a | 118 | fi |
87fdd476 JK |
119 | done |
120 | ||
121 | rm -rf "$output/linux-headers/linux" | |
122 | mkdir -p "$output/linux-headers/linux" | |
74c98e20 | 123 | for header in kvm.h kvm_para.h vfio.h vfio_ccw.h vhost.h \ |
9d8ad114 | 124 | psci.h psp-sev.h userfaultfd.h; do |
87fdd476 JK |
125 | cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux" |
126 | done | |
256d046c PM |
127 | rm -rf "$output/linux-headers/asm-generic" |
128 | mkdir -p "$output/linux-headers/asm-generic" | |
129 | for header in kvm_para.h; do | |
130 | cp "$tmpdir/include/asm-generic/$header" "$output/linux-headers/asm-generic" | |
131 | done | |
87fdd476 JK |
132 | if [ -L "$linux/source" ]; then |
133 | cp "$linux/source/COPYING" "$output/linux-headers" | |
134 | else | |
135 | cp "$linux/COPYING" "$output/linux-headers" | |
136 | fi | |
137 | ||
73aa529a PB |
138 | cat <<EOF >$output/linux-headers/asm-x86/hyperv.h |
139 | #include "standard-headers/asm-x86/hyperv.h" | |
140 | EOF | |
05e492b0 MT |
141 | cat <<EOF >$output/linux-headers/linux/virtio_config.h |
142 | #include "standard-headers/linux/virtio_config.h" | |
143 | EOF | |
144 | cat <<EOF >$output/linux-headers/linux/virtio_ring.h | |
145 | #include "standard-headers/linux/virtio_ring.h" | |
146 | EOF | |
1ff0b555 | 147 | |
eddb4de3 PB |
148 | rm -rf "$output/include/standard-headers/linux" |
149 | mkdir -p "$output/include/standard-headers/linux" | |
150 | for i in "$tmpdir"/include/linux/*virtio*.h "$tmpdir/include/linux/input.h" \ | |
fff02bc0 | 151 | "$tmpdir/include/linux/input-event-codes.h" \ |
eddb4de3 PB |
152 | "$tmpdir/include/linux/pci_regs.h"; do |
153 | cp_portable "$i" "$output/include/standard-headers/linux" | |
154 | done | |
1ff0b555 | 155 | |
e1c5f1f0 MA |
156 | rm -rf "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma" |
157 | mkdir -p "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma" | |
158 | ||
159 | # Remove the unused functions from pvrdma_verbs.h avoiding the unnecessary | |
160 | # import of several infiniband/networking/other headers | |
161 | tmp_pvrdma_verbs="$tmpdir/pvrdma_verbs.h" | |
162 | # Parse the entire file instead of single lines to match | |
163 | # function declarations expanding over multiple lines | |
164 | # and strip the declarations starting with pvrdma prefix. | |
165 | sed -e '1h;2,$H;$!d;g' -e 's/[^};]*pvrdma[^(| ]*([^)]*);//g' \ | |
166 | "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h" > \ | |
167 | "$tmp_pvrdma_verbs"; | |
168 | ||
169 | for i in "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_ring.h" \ | |
170 | "$linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h" \ | |
171 | "$tmp_pvrdma_verbs"; do \ | |
172 | cp_portable "$i" \ | |
173 | "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma/" | |
174 | done | |
175 | ||
176 | rm -rf "$output/include/standard-headers/rdma/" | |
177 | mkdir -p "$output/include/standard-headers/rdma/" | |
178 | for i in "$tmpdir/include/rdma/vmw_pvrdma-abi.h"; do | |
179 | cp_portable "$i" \ | |
180 | "$output/include/standard-headers/rdma/" | |
181 | done | |
182 | ||
1ff0b555 | 183 | cat <<EOF >$output/include/standard-headers/linux/types.h |
8bc92a76 PM |
184 | /* For QEMU all types are already defined via osdep.h, so this |
185 | * header does not need to do anything. | |
186 | */ | |
1ff0b555 MT |
187 | EOF |
188 | cat <<EOF >$output/include/standard-headers/linux/if_ether.h | |
189 | #define ETH_ALEN 6 | |
190 | EOF | |
191 | ||
87fdd476 | 192 | rm -rf "$tmpdir" |