1#!/bin/sh 2# 3# Generate the x86_cap_flags[] array from include/asm/cpufeatures.h 4# 5 6IN=$1 7OUT=$2 8 9TABS="$(printf '\t\t\t\t\t')" 10trap 'rm "$OUT"' EXIT 11 12( 13 echo "#ifndef _ASM_X86_CPUFEATURES_H" 14 echo "#include <asm/cpufeatures.h>" 15 echo "#endif" 16 echo "" 17 echo "const char * const x86_cap_flags[NCAPINTS*32] = {" 18 19 # Iterate through any input lines starting with #define X86_FEATURE_ 20 sed -n -e 's/\t/ /g' -e 's/^ *# *define *X86_FEATURE_//p' $IN | 21 while read i 22 do 23 # Name is everything up to the first whitespace 24 NAME="$(echo "$i" | sed 's/ .*//')" 25 26 # If the /* comment */ starts with a quote string, grab that. 27 VALUE="$(echo "$i" | sed -n 's@.*/\* *\("[^"]*"\).*\*/@\1@p')" 28 [ -z "$VALUE" ] && VALUE="\"$NAME\"" 29 [ "$VALUE" == '""' ] && continue 30 31 # Name is uppercase, VALUE is all lowercase 32 VALUE="$(echo "$VALUE" | tr A-Z a-z)" 33 34 TABCOUNT=$(( ( 5*8 - 14 - $(echo "$NAME" | wc -c) ) / 8 )) 35 printf "\t[%s]%.*s = %s,\n" \ 36 "X86_FEATURE_$NAME" "$TABCOUNT" "$TABS" "$VALUE" 37 done 38 echo "};" 39) > $OUT 40 41trap - EXIT 42