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Commit | Line | Data |
---|---|---|
0c0de199 | 1 | #!/bin/sh |
b2441318 | 2 | # SPDX-License-Identifier: GPL-2.0 |
0c0de199 | 3 | # |
cd4d09ec | 4 | # Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeatures.h |
0c0de199 RL |
5 | # |
6 | ||
7 | IN=$1 | |
8 | OUT=$2 | |
9 | ||
e85bd989 | 10 | dump_array() |
80a208bd BP |
11 | { |
12 | ARRAY=$1 | |
13 | SIZE=$2 | |
14 | PFX=$3 | |
15 | POSTFIX=$4 | |
0c0de199 | 16 | |
80a208bd BP |
17 | PFX_SZ=$(echo $PFX | wc -c) |
18 | TABS="$(printf '\t\t\t\t\t')" | |
19 | ||
20 | echo "const char * const $ARRAY[$SIZE] = {" | |
0c0de199 | 21 | |
80a208bd BP |
22 | # Iterate through any input lines starting with #define $PFX |
23 | sed -n -e 's/\t/ /g' -e "s/^ *# *define *$PFX//p" $IN | | |
0c0de199 RL |
24 | while read i |
25 | do | |
26 | # Name is everything up to the first whitespace | |
27 | NAME="$(echo "$i" | sed 's/ .*//')" | |
28 | ||
29 | # If the /* comment */ starts with a quote string, grab that. | |
30 | VALUE="$(echo "$i" | sed -n 's@.*/\* *\("[^"]*"\).*\*/@\1@p')" | |
31 | [ -z "$VALUE" ] && VALUE="\"$NAME\"" | |
ea174f4c | 32 | [ "$VALUE" = '""' ] && continue |
0c0de199 RL |
33 | |
34 | # Name is uppercase, VALUE is all lowercase | |
35 | VALUE="$(echo "$VALUE" | tr A-Z a-z)" | |
36 | ||
80a208bd BP |
37 | if [ -n "$POSTFIX" ]; then |
38 | T=$(( $PFX_SZ + $(echo $POSTFIX | wc -c) + 2 )) | |
39 | TABS="$(printf '\t\t\t\t\t\t')" | |
40 | TABCOUNT=$(( ( 6*8 - ($T + 1) - $(echo "$NAME" | wc -c) ) / 8 )) | |
41 | printf "\t[%s - %s]%.*s = %s,\n" "$PFX$NAME" "$POSTFIX" "$TABCOUNT" "$TABS" "$VALUE" | |
42 | else | |
43 | TABCOUNT=$(( ( 5*8 - ($PFX_SZ + 1) - $(echo "$NAME" | wc -c) ) / 8 )) | |
44 | printf "\t[%s]%.*s = %s,\n" "$PFX$NAME" "$TABCOUNT" "$TABS" "$VALUE" | |
45 | fi | |
0c0de199 RL |
46 | done |
47 | echo "};" | |
80a208bd BP |
48 | } |
49 | ||
50 | trap 'rm "$OUT"' EXIT | |
51 | ||
52 | ( | |
cd4d09ec BP |
53 | echo "#ifndef _ASM_X86_CPUFEATURES_H" |
54 | echo "#include <asm/cpufeatures.h>" | |
80a208bd BP |
55 | echo "#endif" |
56 | echo "" | |
57 | ||
58 | dump_array "x86_cap_flags" "NCAPINTS*32" "X86_FEATURE_" "" | |
59 | echo "" | |
60 | ||
61 | dump_array "x86_bug_flags" "NBUGINTS*32" "X86_BUG_" "NCAPINTS*32" | |
62 | ||
0c0de199 RL |
63 | ) > $OUT |
64 | ||
65 | trap - EXIT |