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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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33 lines
700 B
Perl
33 lines
700 B
Perl
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#!/usr/bin/perl
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#
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# Generate the x86_cap_flags[] array from include/asm-x86/cpufeature.h
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#
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($in, $out) = @ARGV;
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open(IN, "< $in\0") or die "$0: cannot open: $in: $!\n";
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open(OUT, "> $out\0") or die "$0: cannot create: $out: $!\n";
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print OUT "#include <asm/cpufeature.h>\n\n";
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print OUT "const char * const x86_cap_flags[NCAPINTS*32] = {\n";
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while (defined($line = <IN>)) {
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if ($line =~ /^\s*\#\s*define\s+(X86_FEATURE_(\S+))\s+(.*)$/) {
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$macro = $1;
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$feature = $2;
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$tail = $3;
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if ($tail =~ /\/\*\s*\"([^"]*)\".*\*\//) {
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$feature = $1;
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}
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if ($feature ne '') {
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printf OUT "\t%-32s = \"%s\",\n",
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"[$macro]", "\L$feature";
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}
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}
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}
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print OUT "};\n";
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close(IN);
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close(OUT);
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