Commit | Line | Data |
---|---|---|
0c0de199 RL |
1 | #!/bin/sh |
2 | # | |
80a208bd | 3 | # Generate the x86_cap/bug_flags[] arrays from include/asm/cpufeature.h |
0c0de199 RL |
4 | # |
5 | ||
6 | IN=$1 | |
7 | OUT=$2 | |
8 | ||
80a208bd BP |
9 | function dump_array() |
10 | { | |
11 | ARRAY=$1 | |
12 | SIZE=$2 | |
13 | PFX=$3 | |
14 | POSTFIX=$4 | |
0c0de199 | 15 | |
80a208bd BP |
16 | PFX_SZ=$(echo $PFX | wc -c) |
17 | TABS="$(printf '\t\t\t\t\t')" | |
18 | ||
19 | echo "const char * const $ARRAY[$SIZE] = {" | |
0c0de199 | 20 | |
80a208bd BP |
21 | # Iterate through any input lines starting with #define $PFX |
22 | sed -n -e 's/\t/ /g' -e "s/^ *# *define *$PFX//p" $IN | | |
0c0de199 RL |
23 | while read i |
24 | do | |
25 | # Name is everything up to the first whitespace | |
26 | NAME="$(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 "$VALUE" | tr A-Z a-z)" | |
35 | ||
80a208bd BP |
36 | if [ -n "$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" "$VALUE" | |
44 | fi | |
0c0de199 RL |
45 | done |
46 | echo "};" | |
80a208bd BP |
47 | } |
48 | ||
49 | trap 'rm "$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 | ||
0c0de199 RL |
62 | ) > $OUT |
63 | ||
64 | trap - EXIT |