VisionFive2 Linux kernel

9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900  1) #!/bin/sh
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900  2) # SPDX-License-Identifier: GPL-2.0-only
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900  3) #
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900  4) # Generate a syscall table header.
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900  5) #
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900  6) # Each line of the syscall table should have the following format:
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900  7) #
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900  8) # NR ABI NAME [NATIVE] [COMPAT]
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900  9) #
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 10) # NR       syscall number
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 11) # ABI      ABI name
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 12) # NAME     syscall name
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 13) # NATIVE   native entry point (optional)
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 14) # COMPAT   compat entry point (optional)
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 15) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 16) set -e
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 17) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 18) usage() {
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 19) 	echo >&2 "usage: $0 [--abis ABIS] INFILE OUTFILE" >&2
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 20) 	echo >&2
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 21) 	echo >&2 "  INFILE    input syscall table"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 22) 	echo >&2 "  OUTFILE   output header file"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 23) 	echo >&2
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 24) 	echo >&2 "options:"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 25) 	echo >&2 "  --abis ABIS        ABI(s) to handle (By default, all lines are handled)"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 26) 	exit 1
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 27) }
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 28) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 29) # default unless specified by options
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 30) abis=
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 31) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 32) while [ $# -gt 0 ]
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 33) do
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 34) 	case $1 in
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 35) 	--abis)
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 36) 		abis=$(echo "($2)" | tr ',' '|')
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 37) 		shift 2;;
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 38) 	-*)
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 39) 		echo "$1: unknown option" >&2
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 40) 		usage;;
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 41) 	*)
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 42) 		break;;
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 43) 	esac
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 44) done
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 45) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 46) if [ $# -ne 2 ]; then
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 47) 	usage
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 48) fi
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 49) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 50) infile="$1"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 51) outfile="$2"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 52) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 53) nxt=0
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 54) 
c6a3a81d19b83 (Masahiro Yamada 2021-07-05 15:06:54 +0900 55) grep -E "^[0-9]+[[:space:]]+$abis" "$infile" | {
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 56) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 57) 	while read nr abi name native compat ; do
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 58) 
c6a3a81d19b83 (Masahiro Yamada 2021-07-05 15:06:54 +0900 59) 		if [ $nxt -gt $nr ]; then
c6a3a81d19b83 (Masahiro Yamada 2021-07-05 15:06:54 +0900 60) 			echo "error: $infile: syscall table is not sorted or duplicates the same syscall number" >&2
c6a3a81d19b83 (Masahiro Yamada 2021-07-05 15:06:54 +0900 61) 			exit 1
c6a3a81d19b83 (Masahiro Yamada 2021-07-05 15:06:54 +0900 62) 		fi
c6a3a81d19b83 (Masahiro Yamada 2021-07-05 15:06:54 +0900 63) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 64) 		while [ $nxt -lt $nr ]; do
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 65) 			echo "__SYSCALL($nxt, sys_ni_syscall)"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 66) 			nxt=$((nxt + 1))
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 67) 		done
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 68) 
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 69) 		if [ -n "$compat" ]; then
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 70) 			echo "__SYSCALL_WITH_COMPAT($nr, $native, $compat)"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 71) 		elif [ -n "$native" ]; then
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 72) 			echo "__SYSCALL($nr, $native)"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 73) 		else
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 74) 			echo "__SYSCALL($nr, sys_ni_syscall)"
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 75) 		fi
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 76) 		nxt=$((nr + 1))
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 77) 	done
9df526b03c01a (Masahiro Yamada 2021-02-16 11:04:11 +0900 78) } > "$outfile"