1#!/bin/sh 2# 3# Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeature.h 4# 5 6IN=$1 7OUT=$2 8 9dump_array() 10{ 11 ARRAY=$1 12 SIZE=$2 13 PFX=$3 14 POSTFIX=$4 15 16 PFX_SZ=$(echo $PFX | wc -c) 17 TABS="$(printf '\t\t\t\t\t')" 18 19 echo "const char * const $ARRAY[$SIZE] = {" 20 21 # Iterate through any input lines starting with #define $PFX 22 sed -n -e 's/\t/ /g' -e "s/^ *# *define *$PFX//p" $IN | 23 while read i 24 do 25 # Name is everything up to the first whitespace 26 NAME="$(echo "$i" | sed 's/ .*//')" 27 28 # If the /* comment */ starts with a quote string, grab that. 29 VALUE="$(echo "$i" | sed -n 's@.*/\* *\("[^"]*"\).*\*/@\1@p')" 30 [ -z "$VALUE" ] && VALUE="\"$NAME\"" 31 [ "$VALUE" = '""' ] && continue 32 33 # Name is uppercase, VALUE is all lowercase 34 VALUE="$(echo "$VALUE" | tr A-Z a-z)" 35 36 if [ -n "$POSTFIX" ]; then 37 T=$(( $PFX_SZ + $(echo $POSTFIX | wc -c) + 2 )) 38 TABS="$(printf '\t\t\t\t\t\t')" 39 TABCOUNT=$(( ( 6*8 - ($T + 1) - $(echo "$NAME" | wc -c) ) / 8 )) 40 printf "\t[%s - %s]%.*s = %s,\n" "$PFX$NAME" "$POSTFIX" "$TABCOUNT" "$TABS" "$VALUE" 41 else 42 TABCOUNT=$(( ( 5*8 - ($PFX_SZ + 1) - $(echo "$NAME" | wc -c) ) / 8 )) 43 printf "\t[%s]%.*s = %s,\n" "$PFX$NAME" "$TABCOUNT" "$TABS" "$VALUE" 44 fi 45 done 46 echo "};" 47} 48 49trap 'rm "$OUT"' EXIT 50 51( 52 echo "#ifndef _ASM_X86_CPUFEATURE_H" 53 echo "#include <asm/cpufeature.h>" 54 echo "#endif" 55 echo "" 56 57 dump_array "x86_cap_flags" "NCAPINTS*32" "X86_FEATURE_" "" 58 echo "" 59 60 dump_array "x86_bug_flags" "NBUGINTS*32" "X86_BUG_" "NCAPINTS*32" 61 62) > $OUT 63 64trap - EXIT 65