#!/bin/sh# SPDX-License-Identifier: GPL-2.0## Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeatures.h# set -e OUT=$1 dump_array(){ ARRAY=$1 SIZE=$2 PFX=$3 POSTFIX=$4 IN=$5 PFX_SZ=$(echo $PFX | wc -c) TABS="$(printf '\t\t\t\t\t')" echo "const char * const $ARRAY[$SIZE] = {" # Iterate through any input lines starting with #define $PFX sed -n -e 's/\t/ /g' -e "s/^ *# *define *$PFX//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')" [ ! "$VALUE" ] && continue # Name is uppercase, VALUE is all lowercase VALUE="$(echo "$VALUE" | tr A-Z a-z)" if [ -n "$POSTFIX" ]; then T=$(( $PFX_SZ + $(echo $POSTFIX | wc -c) + 2 )) TABS="$(printf '\t\t\t\t\t\t')" TABCOUNT=$(( ( 6*8 - ($T + 1) - $(echo "$NAME" | wc -c) ) / 8 )) printf "\t[%s - %s]%.*s = %s,\n" "$PFX$NAME" "$POSTFIX" "$TABCOUNT" "$TABS" "$VALUE" else TABCOUNT=$(( ( 5*8 - ($PFX_SZ + 1) - $(echo "$NAME" | wc -c) ) / 8 )) printf "\t[%s]%.*s = %s,\n" "$PFX$NAME" "$TABCOUNT" "$TABS" "$VALUE" fi done echo "};"} trap 'rm "$OUT"' EXIT ( echo "#ifndef _ASM_X86_CPUFEATURES_H" echo "#include <asm/cpufeatures.h>" echo "#endif" echo "" dump_array "x86_cap_flags" "NCAPINTS*32" "X86_FEATURE_" "" $2 echo "" dump_array "x86_bug_flags" "NBUGINTS*32" "X86_BUG_" "NCAPINTS*32" $2 echo "" echo "#ifdef CONFIG_X86_VMX_FEATURE_NAMES" echo "#ifndef _ASM_X86_VMXFEATURES_H" echo "#include <asm/vmxfeatures.h>" echo "#endif" dump_array "x86_vmx_flags" "NVMXINTS*32" "VMX_FEATURE_" "" $3 echo "#endif /* CONFIG_X86_VMX_FEATURE_NAMES */") > $OUT trap - EXIT
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeatures.h
#
set -e
OUT=$1
dump_array()
{
ARRAY=$1
SIZE=$2
PFX=$3
POSTFIX=$4
IN=$5
PFX_SZ=$(echo $PFX | wc -c)
TABS="$(printf '\t\t\t\t\t')"
echo "const char * const $ARRAY[$SIZE] = {"
# Iterate through any input lines starting with #define $PFX
sed -n -e 's/\t/ /g' -e "s/^ *# *define *$PFX//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')"
[ ! "$VALUE" ] && continue
# Name is uppercase, VALUE is all lowercase
VALUE="$(echo "$VALUE" | tr A-Z a-z)"
if [ -n "$POSTFIX" ]; then
T=$(( $PFX_SZ + $(echo $POSTFIX | wc -c) + 2 ))
TABS="$(printf '\t\t\t\t\t\t')"
TABCOUNT=$(( ( 6*8 - ($T + 1) - $(echo "$NAME" | wc -c) ) / 8 ))
printf "\t[%s - %s]%.*s = %s,\n" "$PFX$NAME" "$POSTFIX" "$TABCOUNT" "$TABS" "$VALUE"
else
TABCOUNT=$(( ( 5*8 - ($PFX_SZ + 1) - $(echo "$NAME" | wc -c) ) / 8 ))
printf "\t[%s]%.*s = %s,\n" "$PFX$NAME" "$TABCOUNT" "$TABS" "$VALUE"
fi
done
echo "};"
}
trap 'rm "$OUT"' EXIT
(
echo "#ifndef _ASM_X86_CPUFEATURES_H"
echo "#include <asm/cpufeatures.h>"
echo "#endif"
echo ""
dump_array "x86_cap_flags" "NCAPINTS*32" "X86_FEATURE_" "" $2
echo ""
dump_array "x86_bug_flags" "NBUGINTS*32" "X86_BUG_" "NCAPINTS*32" $2
echo ""
echo "#ifdef CONFIG_X86_VMX_FEATURE_NAMES"
echo "#ifndef _ASM_X86_VMXFEATURES_H"
echo "#include <asm/vmxfeatures.h>"
echo "#endif"
dump_array "x86_vmx_flags" "NVMXINTS*32" "VMX_FEATURE_" "" $3
echo "#endif /* CONFIG_X86_VMX_FEATURE_NAMES */"
) > $OUT
trap - EXIT