1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
3 #
4 # Generate the x86_cap/bug_flags[] arrays from
5 #
6
7 set -e
8
9 OUT=$1
10
11 dump_array()
12 {
13 ARRAY=$1
14 SIZE=$2
15 PFX=$3
16 POSTFIX=$4
17 IN=$5
18
19 PFX_SZ=$(echo $PFX | wc -c)
20 TABS="$(printf '\t\t\t\t\t')"
21
22 echo "const char * const $ARRAY[$SIZE]
23
24 # Iterate through any input lines star
25 sed -n -e 's/\t/ /g' -e "s/^ *# *defin
26 while read i
27 do
28 # Name is everything up to the
29 NAME="$(echo "$i" | sed 's/ .*
30
31 # If the /* comment */ starts
32 VALUE="$(echo "$i" | sed -n 's
33 [ ! "$VALUE" ] && continue
34
35 # Name is uppercase, VALUE is
36 VALUE="$(echo "$VALUE" | tr A-
37
38 if [ -n "$POSTFIX" ]; then
39 T=$(( $PFX_SZ + $(echo $POSTFIX |
40 TABS="$(printf '\t\t\t\t\t\t')
41 TABCOUNT=$(( ( 6*8 - ($T +
42 printf "\t[%s - %s]%.*s =
43 else
44 TABCOUNT=$(( ( 5*8 - ($PFX
45 printf "\t[%s]%.*s = %s,\n" "$PFX$
46 fi
47 done
48 echo "};"
49 }
50
51 trap 'rm "$OUT"' EXIT
52
53 (
54 echo "#ifndef _ASM_X86_CPUFEATURES_H"
55 echo "#include <asm/cpufeatures.h>"
56 echo "#endif"
57 echo ""
58
59 dump_array "x86_cap_flags" "NCAPINTS*3
60 echo ""
61
62 dump_array "x86_bug_flags" "NBUGINTS*3
63 echo ""
64
65 echo "#ifdef CONFIG_X86_VMX_FEATURE_NA
66 echo "#ifndef _ASM_X86_VMXFEATURES_H"
67 echo "#include <asm/vmxfeatures.h>"
68 echo "#endif"
69 dump_array "x86_vmx_flags" "NVMXINTS*3
70 echo "#endif /* CONFIG_X86_VMX_FEATURE
71 ) > $OUT
72
73 trap - EXIT
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