target/mips: Remove XBurst Media eXtension Unit dead code
[qemu/ar7.git] / scripts / gensyscalls.sh
blob8fb450e3c9605926e73f72773b3ea6608a6f48d2
1 #!/bin/sh
3 # Update syscall_nr.h files from linux headers asm-generic/unistd.h
5 # This code is licensed under the GPL version 2 or later.  See
6 # the COPYING file in the top-level directory.
9 linux="$1"
10 output="$2"
12 TMP=$(mktemp -d)
14 if [ "$linux" = "" ] ; then
15     echo "Needs path to linux source tree" 1>&2
16     exit 1
19 if [ "$output" = "" ] ; then
20     output="$PWD"
23 upper()
25     echo "$1" | tr "[:lower:]" "[:upper:]" | tr "[:punct:]" "_"
28 qemu_arch()
30     case "$1" in
31     arm64)
32         echo "aarch64"
33         ;;
34     *)
35         echo "$1"
36         ;;
37     esac
40 read_includes()
42     arch=$1
43     bits=$2
45      cpp -P -nostdinc -fdirectives-only \
46         -D_UAPI_ASM_$(upper ${arch})_BITSPERLONG_H \
47         -D__BITS_PER_LONG=${bits} \
48         -I${linux}/arch/${arch}/include/uapi/ \
49         -I${linux}/include/uapi \
50         -I${TMP} \
51         "${linux}/arch/${arch}/include/uapi/asm/unistd.h"
54 filter_defines()
56     grep -e "#define __NR_" -e "#define __NR3264"
59 rename_defines()
61     sed "s/ __NR_/ TARGET_NR_/g;s/(__NR_/(TARGET_NR_/g"
64 evaluate_values()
66     sed "s/#define TARGET_NR_/QEMU TARGET_NR_/" | \
67     cpp -P -nostdinc | \
68     sed "s/^QEMU /#define /"
71 generate_syscall_nr()
73     arch=$1
74     bits=$2
75     file="$3"
76     guard="$(upper LINUX_USER_$(qemu_arch $arch)_$(basename "$file"))"
78     (echo "/*"
79     echo " * This file contains the system call numbers."
80     echo " * Do not modify."
81     echo " * This file is generated by scripts/gensyscalls.sh"
82     echo " */"
83     echo "#ifndef ${guard}"
84     echo "#define ${guard}"
85     echo
86     read_includes $arch $bits | filter_defines | rename_defines | \
87                                 evaluate_values | sort -n -k 3
88     echo
89     echo "#endif /* ${guard} */") > "$file"
92 mkdir "$TMP/asm"
93 > "$TMP/asm/bitsperlong.h"
95 generate_syscall_nr arm64 64 "$output/linux-user/aarch64/syscall_nr.h"
96 generate_syscall_nr nios2 32 "$output/linux-user/nios2/syscall_nr.h"
97 generate_syscall_nr openrisc 32 "$output/linux-user/openrisc/syscall_nr.h"
99 generate_syscall_nr riscv 32 "$output/linux-user/riscv/syscall32_nr.h"
100 generate_syscall_nr riscv 64 "$output/linux-user/riscv/syscall64_nr.h"
101 generate_syscall_nr hexagon 32 "$output/linux-user/hexagon/syscall_nr.h"
102 rm -fr "$TMP"