mirror of
https://github.com/torvalds/linux.git
synced 2024-12-25 20:32:22 +00:00
42 lines
1.0 KiB
Bash
42 lines
1.0 KiB
Bash
|
#!/bin/sh
|
||
|
#
|
||
|
# Generate the x86_cap_flags[] array from include/asm/cpufeature.h
|
||
|
#
|
||
|
|
||
|
IN=$1
|
||
|
OUT=$2
|
||
|
|
||
|
TABS="$(printf '\t\t\t\t\t')"
|
||
|
trap 'rm "$OUT"' EXIT
|
||
|
|
||
|
(
|
||
|
echo "#ifndef _ASM_X86_CPUFEATURE_H"
|
||
|
echo "#include <asm/cpufeature.h>"
|
||
|
echo "#endif"
|
||
|
echo ""
|
||
|
echo "const char * const x86_cap_flags[NCAPINTS*32] = {"
|
||
|
|
||
|
# Iterate through any input lines starting with #define X86_FEATURE_
|
||
|
sed -n -e 's/\t/ /g' -e 's/^ *# *define *X86_FEATURE_//p' $IN |
|
||
|
while read i
|
||
|
do
|
||
|
# Name is everything up to the first whitespace
|
||
|
NAME="$(echo "$i" | sed 's/ .*//')"
|
||
|
|
||
|
# If the /* comment */ starts with a quote string, grab that.
|
||
|
VALUE="$(echo "$i" | sed -n 's@.*/\* *\("[^"]*"\).*\*/@\1@p')"
|
||
|
[ -z "$VALUE" ] && VALUE="\"$NAME\""
|
||
|
[ "$VALUE" == '""' ] && continue
|
||
|
|
||
|
# Name is uppercase, VALUE is all lowercase
|
||
|
VALUE="$(echo "$VALUE" | tr A-Z a-z)"
|
||
|
|
||
|
TABCOUNT=$(( ( 5*8 - 14 - $(echo "$NAME" | wc -c) ) / 8 ))
|
||
|
printf "\t[%s]%.*s = %s,\n" \
|
||
|
"X86_FEATURE_$NAME" "$TABCOUNT" "$TABS" "$VALUE"
|
||
|
done
|
||
|
echo "};"
|
||
|
) > $OUT
|
||
|
|
||
|
trap - EXIT
|