Rob Landley | 0c0de19 | 2013-04-29 15:05:53 -0700 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | # |
Borislav Petkov | cd4d09e | 2016-01-26 22:12:04 +0100 | [diff] [blame] | 3 | # Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeatures.h |
Rob Landley | 0c0de19 | 2013-04-29 15:05:53 -0700 | [diff] [blame] | 4 | # |
| 5 | |
| 6 | IN=$1 |
| 7 | OUT=$2 |
| 8 | |
Sylvain BERTRAND | e85bd98 | 2014-12-29 16:43:24 +0100 | [diff] [blame] | 9 | dump_array() |
Borislav Petkov | 80a208b | 2014-06-24 13:25:03 +0200 | [diff] [blame] | 10 | { |
| 11 | ARRAY=$1 |
| 12 | SIZE=$2 |
| 13 | PFX=$3 |
| 14 | POSTFIX=$4 |
Rob Landley | 0c0de19 | 2013-04-29 15:05:53 -0700 | [diff] [blame] | 15 | |
Borislav Petkov | 80a208b | 2014-06-24 13:25:03 +0200 | [diff] [blame] | 16 | PFX_SZ=$(echo $PFX | wc -c) |
| 17 | TABS="$(printf '\t\t\t\t\t')" |
Rob Landley | 0c0de19 | 2013-04-29 15:05:53 -0700 | [diff] [blame] | 18 | |
Borislav Petkov | 80a208b | 2014-06-24 13:25:03 +0200 | [diff] [blame] | 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" $IN | |
Rob Landley | 0c0de19 | 2013-04-29 15:05:53 -0700 | [diff] [blame] | 23 | while read i |
| 24 | do |
| 25 | # Name is everything up to the first whitespace |
| 26 | NAME="$(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\"" |
Sylvain BERTRAND | ea174f4 | 2014-12-23 13:39:12 +0100 | [diff] [blame] | 31 | [ "$VALUE" = '""' ] && continue |
Rob Landley | 0c0de19 | 2013-04-29 15:05:53 -0700 | [diff] [blame] | 32 | |
| 33 | # Name is uppercase, VALUE is all lowercase |
| 34 | VALUE="$(echo "$VALUE" | tr A-Z a-z)" |
| 35 | |
Borislav Petkov | 80a208b | 2014-06-24 13:25:03 +0200 | [diff] [blame] | 36 | if [ -n "$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" "$VALUE" |
| 44 | fi |
Rob Landley | 0c0de19 | 2013-04-29 15:05:53 -0700 | [diff] [blame] | 45 | done |
| 46 | echo "};" |
Borislav Petkov | 80a208b | 2014-06-24 13:25:03 +0200 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | trap 'rm "$OUT"' EXIT |
| 50 | |
| 51 | ( |
Borislav Petkov | cd4d09e | 2016-01-26 22:12:04 +0100 | [diff] [blame] | 52 | echo "#ifndef _ASM_X86_CPUFEATURES_H" |
| 53 | echo "#include <asm/cpufeatures.h>" |
Borislav Petkov | 80a208b | 2014-06-24 13:25:03 +0200 | [diff] [blame] | 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 | |
Rob Landley | 0c0de19 | 2013-04-29 15:05:53 -0700 | [diff] [blame] | 62 | ) > $OUT |
| 63 | |
| 64 | trap - EXIT |