57 lines
930 B
Perl
Executable File
57 lines
930 B
Perl
Executable File
#!/usr/bin/perl
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#
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# Try automatic generation of geometries
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#
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($k) = @ARGV;
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$sec = int($k*2+0.5);
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if ($sec < 320*2) {
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$c = 40;
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$h = 1;
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$type = 1;
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} elsif ($sec < 640*2) {
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$c = 40;
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$h = 2;
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$type = 1;
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} elsif ($sec < 1200*2) {
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$c = 80;
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$h = 2;
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$type = 3;
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} elsif ($sec < 1440*2) {
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$c = 80;
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$h = 2;
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$type = 2;
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} elsif ($sec < 2880*2) {
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$c = 80;
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$h = 2;
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$type = 4;
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} elsif ($sec < 4096*2) {
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$c = 80;
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$h = 2;
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$type = 6;
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} else {
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printf "%.1fK, %d sectors: ", $sec/2, $sec;
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print "Considered a hard disk\n";
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exit 2;
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}
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$ok = 0;
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while ($c < 256) {
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$s = int($sec/($c*$h)+0.5);
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if ($s <= 63 && $sec == $c*$h*$s) {
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$ok = 1;
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last;
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}
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$c++;
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}
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printf "%.1fK, %d sectors: ", $sec/2, $sec;
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if ($ok) {
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print "c=$c, h=$h, s=$s, type=$type\n";
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exit 0;
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} else {
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print "No valid geometry found (MEMDISK will fake it)\n";
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exit 1;
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}
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