mirror of https://gitee.com/openkylin/linux.git
33 lines
700 B
Perl
33 lines
700 B
Perl
#!/usr/bin/perl
|
|
#
|
|
# Generate the x86_cap_flags[] array from include/asm-x86/cpufeature.h
|
|
#
|
|
|
|
($in, $out) = @ARGV;
|
|
|
|
open(IN, "< $in\0") or die "$0: cannot open: $in: $!\n";
|
|
open(OUT, "> $out\0") or die "$0: cannot create: $out: $!\n";
|
|
|
|
print OUT "#include <asm/cpufeature.h>\n\n";
|
|
print OUT "const char * const x86_cap_flags[NCAPINTS*32] = {\n";
|
|
|
|
while (defined($line = <IN>)) {
|
|
if ($line =~ /^\s*\#\s*define\s+(X86_FEATURE_(\S+))\s+(.*)$/) {
|
|
$macro = $1;
|
|
$feature = $2;
|
|
$tail = $3;
|
|
if ($tail =~ /\/\*\s*\"([^"]*)\".*\*\//) {
|
|
$feature = $1;
|
|
}
|
|
|
|
if ($feature ne '') {
|
|
printf OUT "\t%-32s = \"%s\",\n",
|
|
"[$macro]", "\L$feature";
|
|
}
|
|
}
|
|
}
|
|
print OUT "};\n";
|
|
|
|
close(IN);
|
|
close(OUT);
|