VisionFive2 Linux kernel

b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900  1) #!/bin/sh
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900  2) # SPDX-License-Identifier: GPL-2.0-only
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900  3) #
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900  4) # Generate a syscall number header.
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900  5) #
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900  6) # Each line of the syscall table should have the following format:
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900  7) #
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900  8) # NR ABI NAME [NATIVE] [COMPAT]
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900  9) #
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 10) # NR       syscall number
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 11) # ABI      ABI name
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 12) # NAME     syscall name
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 13) # NATIVE   native entry point (optional)
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 14) # COMPAT   compat entry point (optional)
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 15) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 16) set -e
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 17) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 18) usage() {
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 19) 	echo >&2 "usage: $0 [--abis ABIS] [--emit-nr] [--offset OFFSET] [--prefix PREFIX] INFILE OUTFILE" >&2
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 20) 	echo >&2
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 21) 	echo >&2 "  INFILE    input syscall table"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 22) 	echo >&2 "  OUTFILE   output header file"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 23) 	echo >&2
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 24) 	echo >&2 "options:"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 25) 	echo >&2 "  --abis ABIS        ABI(s) to handle (By default, all lines are handled)"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 26) 	echo >&2 "  --emit-nr          Emit the macro of the number of syscalls (__NR_syscalls)"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 27) 	echo >&2 "  --offset OFFSET    The offset of syscall numbers"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 28) 	echo >&2 "  --prefix PREFIX    The prefix to the macro like __NR_<PREFIX><NAME>"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 29) 	exit 1
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 30) }
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 31) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 32) # default unless specified by options
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 33) abis=
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 34) emit_nr=
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 35) offset=
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 36) prefix=
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 37) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 38) while [ $# -gt 0 ]
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 39) do
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 40) 	case $1 in
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 41) 	--abis)
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 42) 		abis=$(echo "($2)" | tr ',' '|')
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 43) 		shift 2;;
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 44) 	--emit-nr)
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 45) 		emit_nr=1
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 46) 		shift 1;;
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 47) 	--offset)
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 48) 		offset=$2
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 49) 		shift 2;;
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 50) 	--prefix)
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 51) 		prefix=$2
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 52) 		shift 2;;
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 53) 	-*)
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 54) 		echo "$1: unknown option" >&2
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 55) 		usage;;
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 56) 	*)
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 57) 		break;;
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 58) 	esac
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 59) done
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 60) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 61) if [ $# -ne 2 ]; then
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 62) 	usage
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 63) fi
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 64) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 65) infile="$1"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 66) outfile="$2"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 67) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 68) guard=_UAPI_ASM_$(basename "$outfile" |
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 69) 	sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' \
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 70) 	-e 's/[^A-Z0-9_]/_/g' -e 's/__/_/g')
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 71) 
c6a3a81d19b83 (Masahiro Yamada 2021-07-05 15:06:54 +0900 72) grep -E "^[0-9A-Fa-fXx]+[[:space:]]+$abis" "$infile" | {
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 73) 	echo "#ifndef $guard"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 74) 	echo "#define $guard"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 75) 	echo
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 76) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 77) 	max=0
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 78) 	while read nr abi name native compat ; do
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 79) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 80) 		max=$nr
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 81) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 82) 		if [ -n "$offset" ]; then
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 83) 			nr="($offset + $nr)"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 84) 		fi
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 85) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 86) 		echo "#define __NR_$prefix$name $nr"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 87) 	done
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 88) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 89) 	if [ -n "$emit_nr" ]; then
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 90) 		echo
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 91) 		echo "#ifdef __KERNEL__"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 92) 		echo "#define __NR_${prefix}syscalls $(($max + 1))"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 93) 		echo "#endif"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 94) 	fi
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 95) 
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 96) 	echo
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 97) 	echo "#endif /* $guard */"
b9da928abf45c (Masahiro Yamada 2021-02-16 11:04:12 +0900 98) } > "$outfile"