VisionFive2 Linux kernel

27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900  1) #!/bin/sh
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900  2) # SPDX-License-Identifier: GPL-2.0-only
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900  3) #
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900  4) # Generate a syscall number header.
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900  5) #
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900  6) # Each line of the syscall table should have the following format:
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900  7) #
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900  8) # NR ABI NAME [NATIVE] [COMPAT]
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900  9) #
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 10) # NR       syscall number
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 11) # ABI      ABI name
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 12) # NAME     syscall name
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 13) # NATIVE   native entry point (optional)
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 14) # COMPAT   compat entry point (optional)
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 15) set -e
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 16) 
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 17) usage() {
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 18) 	echo >&2 "usage: $0 [--abis ABIS] [--prefix PREFIX] INFILE OUTFILE" >&2
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 19) 	echo >&2
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 20) 	echo >&2 "  INFILE    input syscall table"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 21) 	echo >&2 "  OUTFILE   output header file"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 22) 	echo >&2
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 23) 	echo >&2 "options:"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 24) 	echo >&2 "  --abis ABIS        ABI(s) to handle (By default, all lines are handled)"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 25) 	echo >&2 "  --prefix PREFIX    The prefix to the macro like __NR_<PREFIX><NAME>"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 26) 	exit 1
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 27) }
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 28) 
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 29) # default unless specified by options
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 30) abis=
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 31) prefix=
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 32) 
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 33) while [ $# -gt 0 ]
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 34) do
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 35) 	case $1 in
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 36) 	--abis)
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 37) 		abis=$(echo "($2)" | tr ',' '|')
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 38) 		shift 2;;
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 39) 	--prefix)
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 40) 		prefix=$2
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 41) 		shift 2;;
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 42) 	-*)
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 43) 		echo "$1: unknown option" >&2
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 44) 		usage;;
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 45) 	*)
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 46) 		break;;
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 47) 	esac
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 48) done
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 49) 
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 50) if [ $# -ne 2 ]; then
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 51) 	usage
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 52) fi
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 53) 
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 54) infile="$1"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 55) outfile="$2"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 56) 
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 57) guard=_ASM_$(basename "$outfile" |
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 58) 	sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 59) 	-e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g')
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 60) 
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 61) grep -E "^[0-9A-Fa-fXx]+[[:space:]]+$abis" "$infile" | sort -n | {
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 62) 	echo "#ifndef $guard"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 63) 	echo "#define $guard"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 64) 	echo
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 65) 
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 66) 	max=0
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 67) 	while read nr abi name native compat ; do
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 68) 		max=$nr
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 69) 	done
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 70) 
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 71) 	echo "#define __NR_${prefix}syscalls $(($max + 1))"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 72) 	echo
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 73) 	echo "#endif /* $guard */"
27932b6a2088e (Masahiro Yamada 2021-07-06 15:15:29 +0900 74) } > "$outfile"